compiler: Formatting
This commit is contained in:
+2870
-577
File diff suppressed because it is too large
Load Diff
+211
-101
@@ -7,9 +7,9 @@
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*/
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#include "../std.h"
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#include "../ex.h"
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#include "assem_x86.h"
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#include "../ex.h"
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#include "../std.h"
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#include <iomanip>
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@@ -21,92 +21,130 @@ static InstMap instMap;
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//#define LOG
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Assem_x86::Assem_x86( istream &in,Module *mod ):Assem(in,mod){
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Assem_x86::Assem_x86(istream& in, Module* mod) : Assem(in, mod)
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{
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//build instruction map, if not built already.
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if (!instMap.size()) {
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for (int k = 0; !insts[k].name || insts[k].name[0]; ++k) {
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if( insts[k].name ) instMap.insert( InstPair( insts[k].name,&insts[k] ) );
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if (insts[k].name)
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instMap.insert(InstPair(insts[k].name, &insts[k]));
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}
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}
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}
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static int findCC( const string &s ){
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if( s=="o" ) return 0;
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if( s=="no" ) return 1;
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if( s=="b"||s=="c"||s=="nae" ) return 2;
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if( s=="ae"||s=="nb"||s=="nc" ) return 3;
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if( s=="e"||s=="z" ) return 4;
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if( s=="ne"||s=="nz" ) return 5;
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if( s=="be"||s=="na" ) return 6;
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if( s=="a"||s=="nbe" ) return 7;
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if( s=="s" ) return 8;
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if( s=="ns" ) return 9;
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if( s=="p"||s=="pe" ) return 10;
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if( s=="ne"||s=="po" ) return 11;
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if( s=="l"||s=="nge" ) return 12;
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if( s=="ge"||s=="nl" ) return 13;
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if( s=="le"||s=="ng" ) return 14;
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if( s=="g"||s=="nle" ) return 15;
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static int findCC(const string& s)
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{
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if (s == "o")
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return 0;
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if (s == "no")
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return 1;
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if (s == "b" || s == "c" || s == "nae")
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return 2;
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if (s == "ae" || s == "nb" || s == "nc")
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return 3;
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if (s == "e" || s == "z")
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return 4;
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if (s == "ne" || s == "nz")
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return 5;
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if (s == "be" || s == "na")
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return 6;
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if (s == "a" || s == "nbe")
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return 7;
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if (s == "s")
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return 8;
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if (s == "ns")
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return 9;
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if (s == "p" || s == "pe")
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return 10;
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if (s == "ne" || s == "po")
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return 11;
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if (s == "l" || s == "nge")
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return 12;
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if (s == "ge" || s == "nl")
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return 13;
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if (s == "le" || s == "ng")
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return 14;
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if (s == "g" || s == "nle")
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return 15;
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return -1;
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}
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void Assem_x86::align( int n ){
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void Assem_x86::align(int n)
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{
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int pc = mod->getPC();
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int sz = (pc + (n - 1)) / n * n - pc;
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while( sz-- ) mod->emit( 0x90 );
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while (sz--)
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mod->emit(0x90);
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}
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void Assem_x86::emit( int n ){
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void Assem_x86::emit(int n)
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{
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#ifdef LOG
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clog << hex << (int(n) & 0xff) << dec << ' ';
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#endif
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mod->emit(n);
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}
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void Assem_x86::emitw( int n ){
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void Assem_x86::emitw(int n)
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{
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emit(n);
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emit((n >> 8));
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}
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void Assem_x86::emitd( int n ){
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void Assem_x86::emitd(int n)
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{
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emitw(n);
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emitw(n >> 16);
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}
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void Assem_x86::emitImm( const Operand &o,int size ){
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if( size<4 && o.immLabel.size() ) throw Ex( "immediate value cannot by a label" );
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void Assem_x86::emitImm(const Operand& o, int size)
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{
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if (size < 4 && o.immLabel.size())
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throw Ex("immediate value cannot by a label");
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switch (size) {
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case 1:emit( o.imm );return;
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case 2:emitw( o.imm );return;
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case 4:a_reloc( o.immLabel );emitd( o.imm );return;
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case 1:
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emit(o.imm);
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return;
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case 2:
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emitw(o.imm);
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return;
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case 4:
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a_reloc(o.immLabel);
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emitd(o.imm);
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return;
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}
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}
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void Assem_x86::emitImm( const string &s,int size ){
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Operand op(s);op.parse();
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if( !(op.mode&IMM) ) throw Ex( "operand must be immediate" );
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void Assem_x86::emitImm(const string& s, int size)
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{
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Operand op(s);
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op.parse();
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if (!(op.mode & IMM))
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throw Ex("operand must be immediate");
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emitImm(op, size);
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}
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void Assem_x86::r_reloc( const string &s ){
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if( !s.size() ) return;
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void Assem_x86::r_reloc(const string& s)
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{
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if (!s.size())
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return;
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mod->addReloc(s.c_str(), mod->getPC(), true);
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}
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void Assem_x86::a_reloc( const string &s ){
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if( !s.size() ) return;
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void Assem_x86::a_reloc(const string& s)
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{
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if (!s.size())
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return;
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mod->addReloc(s.c_str(), mod->getPC(), false);
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}
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void Assem_x86::assemInst( const string &name,const string &lhs,const string &rhs ){
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void Assem_x86::assemInst(const string& name, const string& lhs, const string& rhs)
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{
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//parse operands
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Operand lop(lhs), rop(rhs);
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lop.parse();rop.parse();
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lop.parse();
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rop.parse();
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//find instruction
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int cc = -1;
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@@ -126,168 +164,240 @@ void Assem_x86::assemInst( const string &name,const string &lhs,const string &rh
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}
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if (inst) {
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if( !(lop.mode&inst->lmode) || !(rop.mode&inst->rmode) ) throw Ex( "illegal addressing mode" );
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if (!(lop.mode & inst->lmode) || !(rop.mode & inst->rmode))
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throw Ex("illegal addressing mode");
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} else {
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InstIter it = instMap.find(name);
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if( it==instMap.end() ) throw Ex( "unrecognized instruction" );
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if (it == instMap.end())
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throw Ex("unrecognized instruction");
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inst = it->second;
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for (;;) {
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if( (lop.mode&inst->lmode) && (rop.mode&inst->rmode) ) break;
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if( (++inst)->name ) throw Ex( "illegal addressing mode" );
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if ((lop.mode & inst->lmode) && (rop.mode & inst->rmode))
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break;
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if ((++inst)->name)
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throw Ex("illegal addressing mode");
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}
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}
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//16/32 bit modifier - NOP for now
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if( inst->flags & (O16|O32) ){}
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if (inst->flags & (O16 | O32)) {
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}
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int k, n = inst->bytes[0];
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for( k=1;k<n;++k ) emit( inst->bytes[k] );
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if( inst->flags&PLUSREG ) emit( inst->bytes[k]+lop.reg );
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else if( inst->flags&PLUSCC ) emit( inst->bytes[k]+cc );
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else emit( inst->bytes[k] );
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for (k = 1; k < n; ++k)
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emit(inst->bytes[k]);
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if (inst->flags & PLUSREG)
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emit(inst->bytes[k] + lop.reg);
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else if (inst->flags & PLUSCC)
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emit(inst->bytes[k] + cc);
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else
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emit(inst->bytes[k]);
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if (inst->flags & (_0 | _1 | _2 | _3 | _4 | _5 | _6 | _7 | _R)) {
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//find the memop;
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const Operand &mop=
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(inst->rmode&(MEM|MEM8|MEM16|MEM32|R_M|R_M8|R_M16|R_M32))?rop:lop;
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const Operand& mop = (inst->rmode & (MEM | MEM8 | MEM16 | MEM32 | R_M | R_M8 | R_M16 | R_M32)) ? rop : lop;
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//find the spare field value.
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int rm = 0;
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switch (inst->flags & (_0 | _1 | _2 | _3 | _4 | _5 | _6 | _7 | _R)) {
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case _0:rm=0;break;case _1:rm=1;break;case _2:rm=2;break;case _3:rm=3;break;
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case _4:rm=4;break;case _5:rm=5;break;case _6:rm=6;break;case _7:rm=7;break;
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case _R:rm=(inst->rmode&(REG8|REG16|REG32))?rop.reg:lop.reg;break;
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case _0:
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rm = 0;
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break;
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case _1:
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rm = 1;
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break;
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case _2:
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rm = 2;
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break;
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case _3:
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rm = 3;
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break;
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case _4:
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rm = 4;
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break;
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case _5:
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rm = 5;
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break;
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case _6:
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rm = 6;
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break;
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case _7:
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rm = 7;
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break;
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case _R:
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rm = (inst->rmode & (REG8 | REG16 | REG32)) ? rop.reg : lop.reg;
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break;
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}
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rm <<= 3;
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if (mop.mode & REG) { //reg
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emit(0xc0 | rm | mop.reg);
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} else if (mop.baseReg >= 0) { //base, index?
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int mod = mop.offset ? 0x40 : 0x00;
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if( mop.baseLabel.size() || mop.offset<-128 || mop.offset>127 ) mod=0x80;
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if( mop.baseReg==5 && !mod ) mod=0x40;
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if (mop.baseLabel.size() || mop.offset < -128 || mop.offset > 127)
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mod = 0x80;
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if (mop.baseReg == 5 && !mod)
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mod = 0x40;
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if (mop.indexReg >= 0) { //base, index!
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emit(mod | rm | 4);
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emit((mop.shift << 6) | (mop.indexReg << 3) | mop.baseReg);
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} else { //base, no index!
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if( mop.baseReg!=4 ) emit( mod|rm|mop.baseReg);
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if (mop.baseReg != 4)
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emit(mod | rm | mop.baseReg);
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else {
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emit( mod|rm|4 );emit( (4<<3)|mop.baseReg );
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emit(mod | rm | 4);
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emit((4 << 3) | mop.baseReg);
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}
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}
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if( (mod&0xc0)==0x40 ) emit( mop.offset );
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if ((mod & 0xc0) == 0x40)
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emit(mop.offset);
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else if ((mod & 0xc0) == 0x80) {
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//reloc
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a_reloc( mop.baseLabel );emitd( mop.offset );
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a_reloc(mop.baseLabel);
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emitd(mop.offset);
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}
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} else if (mop.indexReg >= 0) { //index, no base!
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emit(rm | 4);
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emit((mop.shift << 6) | (mop.indexReg << 3) | 5);
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//reloc
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a_reloc( mop.baseLabel );emitd( mop.offset );
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a_reloc(mop.baseLabel);
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emitd(mop.offset);
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} else { //[disp]
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emit(rm | 5);
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//reloc
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a_reloc( mop.baseLabel );emitd( mop.offset );
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a_reloc(mop.baseLabel);
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emitd(mop.offset);
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}
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}
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if (inst->flags & RW_RD) {
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r_reloc( lop.immLabel );emitd( lop.imm-4 );
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r_reloc(lop.immLabel);
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emitd(lop.imm - 4);
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}
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if (inst->flags & IB) {
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if( lop.mode&IMM ) emitImm( lop,1 );else emitImm( rop,1 );
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if (lop.mode & IMM)
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emitImm(lop, 1);
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else
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emitImm(rop, 1);
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} else if (inst->flags & IW) {
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if( lop.mode&IMM ) emitImm( lop,2 );else emitImm( rop,2 );
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if (lop.mode & IMM)
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emitImm(lop, 2);
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else
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emitImm(rop, 2);
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} else if (inst->flags & ID) {
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if( lop.mode&IMM ) emitImm( lop,4 );else emitImm( rop,4 );
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if (lop.mode & IMM)
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emitImm(lop, 4);
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else
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emitImm(rop, 4);
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}
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}
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void Assem_x86::assemDir( const string &name,const string &op ){
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if( !op.size() ) throw Ex( "operand error" );
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void Assem_x86::assemDir(const string& name, const string& op)
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{
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if (!op.size())
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throw Ex("operand error");
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if (name == ".db") {
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if( op[0]!='\"' ) emitImm( op,1 );
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if (op[0] != '\"')
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emitImm(op, 1);
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else {
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if( op.size()<2 || op[op.size()-1]!='\"' ) throw Ex( "operand error" );
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for( int k=1;k<op.size()-1;++k ) emit( op[k] );
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if (op.size() < 2 || op[op.size() - 1] != '\"')
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throw Ex("operand error");
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for (int k = 1; k < op.size() - 1; ++k)
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emit(op[k]);
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}
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} else if (name == ".dw") {
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emitImm(op, 2);
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} else if (name == ".dd") {
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emitImm(op, 4);
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} else if (name == ".align") {
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Operand o( op );o.parse();
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if( !(o.mode&IMM) ) throw Ex( "operand must be immediate" );
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Operand o(op);
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o.parse();
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if (!(o.mode & IMM))
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throw Ex("operand must be immediate");
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align(o.imm);
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} else {
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throw Ex("unrecognized assembler directive");
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}
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}
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void Assem_x86::assemLine( const string &line ){
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void Assem_x86::assemLine(const string& line)
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{
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int i = 0;
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string name;
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vector<string> ops;
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//label?
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if (!isspace(line[i])) {
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while( !isspace( line[i] ) ) ++i;
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while (!isspace(line[i]))
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++i;
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string lab = line.substr(0, i);
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if( !mod->addSymbol( lab.c_str(),mod->getPC() ) ) throw Ex( "duplicate label" );
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if (!mod->addSymbol(lab.c_str(), mod->getPC()))
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throw Ex("duplicate label");
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}
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//skip space
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while( isspace( line[i] ) && line[i]!='\n' ) ++i;
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if( line[i]=='\n' || line[i]==';' ) return;
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while (isspace(line[i]) && line[i] != '\n')
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++i;
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if (line[i] == '\n' || line[i] == ';')
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return;
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//fetch instruction name
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int from=i;for( ++i;!isspace( line[i] );++i ){}
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int from = i;
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for (++i; !isspace(line[i]); ++i) {
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}
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name = line.substr(from, i - from);
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for (;;) {
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//skip space
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while( isspace( line[i] ) && line[i]!='\n' ) ++i;
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if( line[i]=='\n' || line[i]==';' ) break;
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while (isspace(line[i]) && line[i] != '\n')
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++i;
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if (line[i] == '\n' || line[i] == ';')
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break;
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int from = i;
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if (line[i] == '\"') {
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for( ++i;line[i]!='\"' && line[i]!='\n';++i ){}
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||||
if( line[i++]!='\"' ) throw Ex( "missing close quote" );
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||||
for (++i; line[i] != '\"' && line[i] != '\n'; ++i) {
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}
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if (line[i++] != '\"')
|
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throw Ex("missing close quote");
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} else {
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for( ++i;line[i]!=',' && line[i]!=';' && line[i]!='\n';++i ){}
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||||
for (++i; line[i] != ',' && line[i] != ';' && line[i] != '\n'; ++i) {
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}
|
||||
}
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||||
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||||
//back-up over space
|
||||
while( i && isspace( line[i-1] ) ) --i;
|
||||
while (i && isspace(line[i - 1]))
|
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--i;
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||||
ops.push_back(line.substr(from, i - from));
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||||
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||||
//skip space
|
||||
while( isspace( line[i] ) && line[i]!='\n' ) ++i;
|
||||
if( line[i]=='\n' || line[i]==';' ) break;
|
||||
while (isspace(line[i]) && line[i] != '\n')
|
||||
++i;
|
||||
if (line[i] == '\n' || line[i] == ';')
|
||||
break;
|
||||
|
||||
if( line[i++]!=',' ) throw Ex( "expecting ','" );
|
||||
if (line[i++] != ',')
|
||||
throw Ex("expecting ','");
|
||||
}
|
||||
|
||||
//pseudo op?
|
||||
if (name[0] == '.') {
|
||||
for( int k=0;k<ops.size();++k ) assemDir( name,ops[k] );
|
||||
for (int k = 0; k < ops.size(); ++k)
|
||||
assemDir(name, ops[k]);
|
||||
return;
|
||||
}
|
||||
|
||||
//normal instruction!
|
||||
if( ops.size()>2 ) throw Ex( "Too many operands" );
|
||||
ops.push_back( "" );ops.push_back( "" );
|
||||
if (ops.size() > 2)
|
||||
throw Ex("Too many operands");
|
||||
ops.push_back("");
|
||||
ops.push_back("");
|
||||
assemInst(name, ops[0], ops[1]);
|
||||
}
|
||||
|
||||
void Assem_x86::assemble(){
|
||||
|
||||
void Assem_x86::assemble()
|
||||
{
|
||||
string line;
|
||||
|
||||
while (!in.eof()) {
|
||||
|
||||
+145
-79
@@ -1,160 +1,226 @@
|
||||
|
||||
#include "../std.h"
|
||||
#include "../ex.h"
|
||||
#include "operand.h"
|
||||
#include "../ex.h"
|
||||
#include "../std.h"
|
||||
#include "insts.h"
|
||||
|
||||
static const char *regs[]={
|
||||
"al","cl","dl","bl","ah","ch","dh","bh",
|
||||
"ax","cx","dx","bx","sp","bp","si","di",
|
||||
"eax","ecx","edx","ebx","esp","ebp","esi","edi"
|
||||
};
|
||||
static const char* regs[] = {"al", "cl", "dl", "bl", "ah", "ch", "dh", "bh", "ax", "cx", "dx", "bx",
|
||||
"sp", "bp", "si", "di", "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi"};
|
||||
|
||||
static void opError(){
|
||||
static void opError()
|
||||
{
|
||||
throw Ex("error in operand");
|
||||
}
|
||||
|
||||
static void sizeError(){
|
||||
static void sizeError()
|
||||
{
|
||||
throw Ex("illegal operand size");
|
||||
}
|
||||
|
||||
Operand::Operand()
|
||||
:mode(NONE),reg(-1),imm(0),offset(0),baseReg(-1),indexReg(-1),shift(0){
|
||||
}
|
||||
Operand::Operand() : mode(NONE), reg(-1), imm(0), offset(0), baseReg(-1), indexReg(-1), shift(0) {}
|
||||
|
||||
Operand::Operand( const string &s )
|
||||
:mode(NONE),reg(-1),imm(0),offset(0),baseReg(-1),indexReg(-1),shift(0),s(s){
|
||||
}
|
||||
Operand::Operand(const string& s) : mode(NONE), reg(-1), imm(0), offset(0), baseReg(-1), indexReg(-1), shift(0), s(s) {}
|
||||
|
||||
bool Operand::parseSize( int *sz ){
|
||||
|
||||
if( !s.size() ) return false;
|
||||
bool Operand::parseSize(int* sz)
|
||||
{
|
||||
if (!s.size())
|
||||
return false;
|
||||
if (s.find("byte ") == 0) {
|
||||
*sz=1;s=s.substr( 5 );
|
||||
*sz = 1;
|
||||
s = s.substr(5);
|
||||
} else if (s.find("word ") == 0) {
|
||||
*sz=2;s=s.substr( 5 );
|
||||
*sz = 2;
|
||||
s = s.substr(5);
|
||||
} else if (s.find("dword ") == 0) {
|
||||
*sz=4;s=s.substr( 6 );
|
||||
}else return false;
|
||||
*sz = 4;
|
||||
s = s.substr(6);
|
||||
} else
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool Operand::parseChar( char c ){
|
||||
if( !s.size() || s[0]!=c ) return false;
|
||||
s=s.substr( 1 );return true;
|
||||
bool Operand::parseChar(char c)
|
||||
{
|
||||
if (!s.size() || s[0] != c)
|
||||
return false;
|
||||
s = s.substr(1);
|
||||
return true;
|
||||
}
|
||||
|
||||
bool Operand::parseReg( int *reg ){
|
||||
bool Operand::parseReg(int* reg)
|
||||
{
|
||||
int i;
|
||||
for( i=0;i<s.size() && isalpha( s[i] );++i ){}
|
||||
if( !i ) return false;
|
||||
for (i = 0; i < s.size() && isalpha(s[i]); ++i) {
|
||||
}
|
||||
if (!i)
|
||||
return false;
|
||||
string t = s.substr(0, i);
|
||||
for (int j = 0; j < 24; ++j) {
|
||||
if( t==regs[j] ){ *reg=j;s=s.substr( i );return true; }
|
||||
if (t == regs[j]) {
|
||||
*reg = j;
|
||||
s = s.substr(i);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool Operand::parseFPReg( int *reg ){
|
||||
|
||||
bool Operand::parseFPReg(int* reg)
|
||||
{
|
||||
//eg: st(0)
|
||||
if( s.size()<5 ) return false;
|
||||
if( s[0]!='s' || s[1]!='t' || s[2]!='(' || s[4]!=')' ) return false;
|
||||
if( s[3]<'0' || s[3]>'7' ) return false;
|
||||
*reg=s[3]-'0';s=s.substr( 5 );return true;
|
||||
if (s.size() < 5)
|
||||
return false;
|
||||
if (s[0] != 's' || s[1] != 't' || s[2] != '(' || s[4] != ')')
|
||||
return false;
|
||||
if (s[3] < '0' || s[3] > '7')
|
||||
return false;
|
||||
*reg = s[3] - '0';
|
||||
s = s.substr(5);
|
||||
return true;
|
||||
}
|
||||
|
||||
bool Operand::parseLabel( string *label ){
|
||||
if( !s.size() || (!isalpha( s[0] ) && s[0]!='_') ) return false;
|
||||
bool Operand::parseLabel(string* label)
|
||||
{
|
||||
if (!s.size() || (!isalpha(s[0]) && s[0] != '_'))
|
||||
return false;
|
||||
int i;
|
||||
for( i=1;i<s.size() && (isalnum( s[i] ) || s[i]=='_');++i ){}
|
||||
*label=s.substr(0,i);s=s.substr( i );return true;
|
||||
for (i = 1; i < s.size() && (isalnum(s[i]) || s[i] == '_'); ++i) {
|
||||
}
|
||||
*label = s.substr(0, i);
|
||||
s = s.substr(i);
|
||||
return true;
|
||||
}
|
||||
|
||||
bool Operand::parseConst( int *iconst ){
|
||||
bool Operand::parseConst(int* iconst)
|
||||
{
|
||||
int i, sgn = s.size() && (s[0] == '-' || s[0] == '+');
|
||||
for( i=sgn;i<s.size() && isdigit( s[i] );++i ){}
|
||||
if( i==sgn ) return false;
|
||||
for (i = sgn; i < s.size() && isdigit(s[i]); ++i) {
|
||||
}
|
||||
if (i == sgn)
|
||||
return false;
|
||||
int n = atoi(s.c_str());
|
||||
*iconst=n;s=s.substr( i );return true;
|
||||
*iconst = n;
|
||||
s = s.substr(i);
|
||||
return true;
|
||||
}
|
||||
|
||||
void Operand::parse(){
|
||||
void Operand::parse()
|
||||
{
|
||||
if (!s.size())
|
||||
return;
|
||||
|
||||
if( !s.size() ) return;
|
||||
|
||||
int sz;if( !parseSize( &sz ) ) sz=0;
|
||||
int sz;
|
||||
if (!parseSize(&sz))
|
||||
sz = 0;
|
||||
|
||||
if (s[0] != '[') {
|
||||
int r;
|
||||
if (parseReg(&r)) {
|
||||
mode = REG | R_M;
|
||||
if (r < 8) {
|
||||
if( sz && sz!=1 ) sizeError();
|
||||
if (sz && sz != 1)
|
||||
sizeError();
|
||||
mode |= REG8 | R_M8;
|
||||
if( r==0 ) mode|=AL;else if( r==1 ) mode|=CL;
|
||||
if (r == 0)
|
||||
mode |= AL;
|
||||
else if (r == 1)
|
||||
mode |= CL;
|
||||
} else if (r < 16) {
|
||||
if( sz && sz!=2 ) sizeError();
|
||||
if (sz && sz != 2)
|
||||
sizeError();
|
||||
mode |= REG16 | R_M16;
|
||||
if( r==8 ) mode|=AX;else if( r==9 ) mode|=CX;
|
||||
if (r == 8)
|
||||
mode |= AX;
|
||||
else if (r == 9)
|
||||
mode |= CX;
|
||||
} else {
|
||||
if( sz && sz!=4 ) sizeError();
|
||||
if (sz && sz != 4)
|
||||
sizeError();
|
||||
mode |= REG32 | R_M32;
|
||||
if( r==16 ) mode|=EAX;else if( r==17 ) mode|=ECX;
|
||||
if (r == 16)
|
||||
mode |= EAX;
|
||||
else if (r == 17)
|
||||
mode |= ECX;
|
||||
}
|
||||
reg = r & 7;
|
||||
} else if (parseFPReg(&r)) {
|
||||
mode = FPUREG;
|
||||
if( !r ) mode|=ST0;
|
||||
if (!r)
|
||||
mode |= ST0;
|
||||
reg = r;
|
||||
} else if (parseLabel(&immLabel)) {
|
||||
if( sz && sz!=4 ) sizeError();
|
||||
if (sz && sz != 4)
|
||||
sizeError();
|
||||
mode = IMM | IMM32;
|
||||
} else if (parseConst(&imm)) {
|
||||
mode = IMM;
|
||||
if( sz==1 ) mode|=IMM8;
|
||||
else if( sz==2 ) mode|=IMM16;
|
||||
else mode|=IMM32;
|
||||
}else opError();
|
||||
if( s.size() ) opError();
|
||||
if (sz == 1)
|
||||
mode |= IMM8;
|
||||
else if (sz == 2)
|
||||
mode |= IMM16;
|
||||
else
|
||||
mode |= IMM32;
|
||||
} else
|
||||
opError();
|
||||
if (s.size())
|
||||
opError();
|
||||
return;
|
||||
}
|
||||
|
||||
if( s[s.size()-1]!=']' ) opError();
|
||||
if (s[s.size() - 1] != ']')
|
||||
opError();
|
||||
s = s.substr(1, s.size() - 2);
|
||||
|
||||
mode = MEM | R_M;
|
||||
if( sz==1 ) mode|=MEM8|R_M8;
|
||||
else if( sz==2 ) mode|=MEM16|R_M16;
|
||||
else mode|=MEM32|R_M32;
|
||||
if (sz == 1)
|
||||
mode |= MEM8 | R_M8;
|
||||
else if (sz == 2)
|
||||
mode |= MEM16 | R_M16;
|
||||
else
|
||||
mode |= MEM32 | R_M32;
|
||||
|
||||
for (;;) {
|
||||
int n;string l;
|
||||
int n;
|
||||
string l;
|
||||
if (parseReg(&n)) {
|
||||
if( n<16 ) throw Ex( "register must be 32 bit" );
|
||||
if (n < 16)
|
||||
throw Ex("register must be 32 bit");
|
||||
n &= 7;
|
||||
if (parseChar('*')) {
|
||||
if( n==4 ) break; //esp cannot be index reg!
|
||||
if( indexReg>=0 ) break;
|
||||
if( parseChar( '1' ) ) shift=0;
|
||||
else if( parseChar( '2' ) ) shift=1;
|
||||
else if( parseChar( '4' ) ) shift=2;
|
||||
else if( parseChar( '8' ) ) shift=3;
|
||||
else break;
|
||||
if (n == 4)
|
||||
break; //esp cannot be index reg!
|
||||
if (indexReg >= 0)
|
||||
break;
|
||||
if (parseChar('1'))
|
||||
shift = 0;
|
||||
else if (parseChar('2'))
|
||||
shift = 1;
|
||||
else if (parseChar('4'))
|
||||
shift = 2;
|
||||
else if (parseChar('8'))
|
||||
shift = 3;
|
||||
else
|
||||
break;
|
||||
indexReg = n;
|
||||
} else {
|
||||
if( baseReg<0 ) baseReg=n;
|
||||
else if( indexReg<0 ){ indexReg=n; }
|
||||
else break;
|
||||
if (baseReg < 0)
|
||||
baseReg = n;
|
||||
else if (indexReg < 0) {
|
||||
indexReg = n;
|
||||
} else
|
||||
break;
|
||||
}
|
||||
} else if (parseLabel(&l)) {
|
||||
if( baseLabel.size() ) opError();
|
||||
if (baseLabel.size())
|
||||
opError();
|
||||
baseLabel = l;
|
||||
} else if (parseConst(&n)) {
|
||||
offset += n;
|
||||
}else break;
|
||||
if( !s.size() ) return;
|
||||
} else
|
||||
break;
|
||||
if (!s.size())
|
||||
return;
|
||||
}
|
||||
opError();
|
||||
}
|
||||
|
||||
+52
-11
@@ -5,23 +5,60 @@
|
||||
#include "std.hpp"
|
||||
|
||||
enum {
|
||||
IR_JUMP,IR_JUMPT,IR_JUMPF,IR_JUMPGE,
|
||||
IR_JUMP,
|
||||
IR_JUMPT,
|
||||
IR_JUMPF,
|
||||
IR_JUMPGE,
|
||||
|
||||
IR_SEQ,IR_MOVE,IR_MEM,IR_LOCAL,IR_GLOBAL,IR_ARG,IR_CONST,
|
||||
IR_SEQ,
|
||||
IR_MOVE,
|
||||
IR_MEM,
|
||||
IR_LOCAL,
|
||||
IR_GLOBAL,
|
||||
IR_ARG,
|
||||
IR_CONST,
|
||||
|
||||
IR_JSR,IR_RET,IR_AND,IR_OR,IR_XOR,IR_SHL,IR_SHR,IR_SAR,
|
||||
IR_JSR,
|
||||
IR_RET,
|
||||
IR_AND,
|
||||
IR_OR,
|
||||
IR_XOR,
|
||||
IR_SHL,
|
||||
IR_SHR,
|
||||
IR_SAR,
|
||||
|
||||
IR_CALL,IR_RETURN,IR_CAST,
|
||||
IR_NEG,IR_ADD,IR_SUB,IR_MUL,IR_DIV,
|
||||
IR_SETEQ,IR_SETNE,IR_SETLT,IR_SETGT,IR_SETLE,IR_SETGE,
|
||||
IR_CALL,
|
||||
IR_RETURN,
|
||||
IR_CAST,
|
||||
IR_NEG,
|
||||
IR_ADD,
|
||||
IR_SUB,
|
||||
IR_MUL,
|
||||
IR_DIV,
|
||||
IR_SETEQ,
|
||||
IR_SETNE,
|
||||
IR_SETLT,
|
||||
IR_SETGT,
|
||||
IR_SETLE,
|
||||
IR_SETGE,
|
||||
|
||||
IR_FCALL,IR_FRETURN,IR_FCAST,
|
||||
IR_FNEG,IR_FADD,IR_FSUB,IR_FMUL,IR_FDIV,
|
||||
IR_FSETEQ,IR_FSETNE,IR_FSETLT,IR_FSETGT,IR_FSETLE,IR_FSETGE,
|
||||
IR_FCALL,
|
||||
IR_FRETURN,
|
||||
IR_FCAST,
|
||||
IR_FNEG,
|
||||
IR_FADD,
|
||||
IR_FSUB,
|
||||
IR_FMUL,
|
||||
IR_FDIV,
|
||||
IR_FSETEQ,
|
||||
IR_FSETNE,
|
||||
IR_FSETLT,
|
||||
IR_FSETGT,
|
||||
IR_FSETLE,
|
||||
IR_FSETGE,
|
||||
};
|
||||
|
||||
struct TNode {
|
||||
|
||||
int op; //opcode
|
||||
TNode *l, *r; //args
|
||||
int iconst; //for CONST type_int
|
||||
@@ -30,7 +67,11 @@ struct TNode{
|
||||
TNode(int op, TNode* l = 0, TNode* r = 0) : op(op), l(l), r(r), iconst(0) {}
|
||||
TNode(int op, TNode* l, TNode* r, int i) : op(op), l(l), r(r), iconst(i) {}
|
||||
TNode(int op, TNode* l, TNode* r, const string& s) : op(op), l(l), r(r), iconst(0), sconst(s) {}
|
||||
~TNode(){ delete l;delete r; }
|
||||
~TNode()
|
||||
{
|
||||
delete l;
|
||||
delete r;
|
||||
}
|
||||
|
||||
void log();
|
||||
};
|
||||
|
||||
@@ -1,76 +1,97 @@
|
||||
|
||||
#include "../std.h"
|
||||
#include "codegen_x86.h"
|
||||
#include "../std.h"
|
||||
#include "tile.h"
|
||||
|
||||
//#define NOOPTS
|
||||
|
||||
Codegen_x86::Codegen_x86( ostream &out,bool debug ):Codegen( out,debug ),inCode(false){
|
||||
}
|
||||
Codegen_x86::Codegen_x86(ostream& out, bool debug) : Codegen(out, debug), inCode(false) {}
|
||||
|
||||
static string itoa_sgn(int n){
|
||||
static string itoa_sgn(int n)
|
||||
{
|
||||
return n ? (n > 0 ? "+" + itoa(n) : itoa(n)) : "";
|
||||
}
|
||||
|
||||
static bool isRelop( int op ){
|
||||
static bool isRelop(int op)
|
||||
{
|
||||
return op == IR_SETEQ || op == IR_SETNE || op == IR_SETLT || op == IR_SETGT || op == IR_SETLE || op == IR_SETGE;
|
||||
}
|
||||
|
||||
static bool nodesEqual( TNode *t1,TNode *t2 ){
|
||||
if( t1->op!=t2->op ||
|
||||
t1->iconst!=t2->iconst ||
|
||||
t1->sconst!=t2->sconst ) return false;
|
||||
static bool nodesEqual(TNode* t1, TNode* t2)
|
||||
{
|
||||
if (t1->op != t2->op || t1->iconst != t2->iconst || t1->sconst != t2->sconst)
|
||||
return false;
|
||||
|
||||
if (t1->l) {
|
||||
if( !t2->l || !nodesEqual( t1->l,t2->l ) ) return false;
|
||||
}else if( t2->l ) return false;
|
||||
if (!t2->l || !nodesEqual(t1->l, t2->l))
|
||||
return false;
|
||||
} else if (t2->l)
|
||||
return false;
|
||||
|
||||
if (t1->r) {
|
||||
if( !t2->r || !nodesEqual( t1->r,t2->r ) ) return false;
|
||||
}else if( t2->r ) return false;
|
||||
if (!t2->r || !nodesEqual(t1->r, t2->r))
|
||||
return false;
|
||||
} else if (t2->r)
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool getShift( int n,int &shift ){
|
||||
static bool getShift(int n, int& shift)
|
||||
{
|
||||
#ifdef NOOPTS
|
||||
return false;
|
||||
#endif
|
||||
|
||||
for (shift = 0; shift < 32; ++shift) {
|
||||
if( (1<<shift)==n ) return true;
|
||||
if ((1 << shift) == n)
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
static bool matchMEM( TNode *t,string &s ){
|
||||
static bool matchMEM(TNode* t, string& s)
|
||||
{
|
||||
#ifdef NOOPTS
|
||||
return false;
|
||||
#endif
|
||||
|
||||
if( t->op!=IR_MEM ) return false;
|
||||
if (t->op != IR_MEM)
|
||||
return false;
|
||||
t = t->l;
|
||||
switch (t->op) {
|
||||
case IR_GLOBAL:s="["+t->sconst+"]";return true;
|
||||
case IR_LOCAL:s="[ebp"+itoa_sgn(t->iconst)+"]";return true;
|
||||
case IR_ARG:s="[esp"+itoa_sgn(t->iconst)+"]";return true;
|
||||
case IR_GLOBAL:
|
||||
s = "[" + t->sconst + "]";
|
||||
return true;
|
||||
case IR_LOCAL:
|
||||
s = "[ebp" + itoa_sgn(t->iconst) + "]";
|
||||
return true;
|
||||
case IR_ARG:
|
||||
s = "[esp" + itoa_sgn(t->iconst) + "]";
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
static bool matchCONST( TNode *t,string &s ){
|
||||
static bool matchCONST(TNode* t, string& s)
|
||||
{
|
||||
#ifdef NOOPTS
|
||||
return false;
|
||||
#endif
|
||||
|
||||
switch (t->op) {
|
||||
case IR_CONST:s=itoa( t->iconst );return true;
|
||||
case IR_GLOBAL:s=t->sconst;return true;
|
||||
case IR_CONST:
|
||||
s = itoa(t->iconst);
|
||||
return true;
|
||||
case IR_GLOBAL:
|
||||
s = t->sconst;
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
static bool matchMEMCONST( TNode *t,string &s ){
|
||||
static bool matchMEMCONST(TNode* t, string& s)
|
||||
{
|
||||
#ifdef NOOPTS
|
||||
return false;
|
||||
#endif
|
||||
@@ -78,16 +99,29 @@ static bool matchMEMCONST( TNode *t,string &s ){
|
||||
return matchMEM(t, s) || matchCONST(t, s);
|
||||
}
|
||||
|
||||
Tile *Codegen_x86::genCompare( TNode *t,string &func,bool negate ){
|
||||
|
||||
Tile* Codegen_x86::genCompare(TNode* t, string& func, bool negate)
|
||||
{
|
||||
switch (t->op) {
|
||||
case IR_SETEQ:func=negate ? "nz" : "z";break;
|
||||
case IR_SETNE:func=negate ? "z" : "nz";break;
|
||||
case IR_SETLT:func=negate ? "ge" : "l";break;
|
||||
case IR_SETGT:func=negate ? "le" : "g";break;
|
||||
case IR_SETLE:func=negate ? "g" : "le";break;
|
||||
case IR_SETGE:func=negate ? "l" : "ge";break;
|
||||
default:return 0;
|
||||
case IR_SETEQ:
|
||||
func = negate ? "nz" : "z";
|
||||
break;
|
||||
case IR_SETNE:
|
||||
func = negate ? "z" : "nz";
|
||||
break;
|
||||
case IR_SETLT:
|
||||
func = negate ? "ge" : "l";
|
||||
break;
|
||||
case IR_SETGT:
|
||||
func = negate ? "le" : "g";
|
||||
break;
|
||||
case IR_SETLE:
|
||||
func = negate ? "g" : "le";
|
||||
break;
|
||||
case IR_SETGE:
|
||||
func = negate ? "l" : "ge";
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
|
||||
string q, m, c;
|
||||
@@ -97,13 +131,17 @@ Tile *Codegen_x86::genCompare( TNode *t,string &func,bool negate ){
|
||||
if (matchCONST(t->r, c)) {
|
||||
q = "\tcmp\t" + m + "," + c + "\n";
|
||||
} else {
|
||||
q="\tcmp\t"+m+",%l\n";ql=t->r;
|
||||
q = "\tcmp\t" + m + ",%l\n";
|
||||
ql = t->r;
|
||||
}
|
||||
} else {
|
||||
if (matchMEMCONST(t->r, m)) {
|
||||
q="\tcmp\t%l,"+m+"\n";ql=t->l;
|
||||
q = "\tcmp\t%l," + m + "\n";
|
||||
ql = t->l;
|
||||
} else {
|
||||
q="\tcmp\t%l,%r\n";ql=t->l;qr=t->r;
|
||||
q = "\tcmp\t%l,%r\n";
|
||||
ql = t->l;
|
||||
qr = t->r;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -113,28 +151,40 @@ Tile *Codegen_x86::genCompare( TNode *t,string &func,bool negate ){
|
||||
////////////////////////////////////////////////
|
||||
// Integer expressions returned in a register //
|
||||
////////////////////////////////////////////////
|
||||
Tile *Codegen_x86::munchUnary( TNode *t ){
|
||||
Tile* Codegen_x86::munchUnary(TNode* t)
|
||||
{
|
||||
string s;
|
||||
switch (t->op) {
|
||||
case IR_NEG:s="\tneg\t%l\n";break;
|
||||
default:return 0;
|
||||
case IR_NEG:
|
||||
s = "\tneg\t%l\n";
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
return new Tile(s, munchReg(t->l));
|
||||
}
|
||||
|
||||
Tile *Codegen_x86::munchLogical( TNode *t ){
|
||||
Tile* Codegen_x86::munchLogical(TNode* t)
|
||||
{
|
||||
string s;
|
||||
switch (t->op) {
|
||||
case IR_AND:s="\tand\t%l,%r\n";break;
|
||||
case IR_OR:s="\tor\t%l,%r\n";break;
|
||||
case IR_XOR:s="\txor\t%l,%r\n";break;
|
||||
default:return 0;
|
||||
case IR_AND:
|
||||
s = "\tand\t%l,%r\n";
|
||||
break;
|
||||
case IR_OR:
|
||||
s = "\tor\t%l,%r\n";
|
||||
break;
|
||||
case IR_XOR:
|
||||
s = "\txor\t%l,%r\n";
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
return new Tile(s, munchReg(t->l), munchReg(t->r));
|
||||
}
|
||||
|
||||
Tile *Codegen_x86::munchArith( TNode *t ){
|
||||
|
||||
Tile* Codegen_x86::munchArith(TNode* t)
|
||||
{
|
||||
if (t->op == IR_DIV) {
|
||||
int shift;
|
||||
if (t->r->op == IR_CONST) {
|
||||
@@ -143,7 +193,9 @@ Tile *Codegen_x86::munchArith( TNode *t ){
|
||||
}
|
||||
}
|
||||
Tile* q = new Tile("\tcdq\n\tidiv\tecx\n", munchReg(t->l), munchReg(t->r));
|
||||
q->want_l=EAX;q->want_r=ECX;q->hits=1<<EDX;
|
||||
q->want_l = EAX;
|
||||
q->want_r = ECX;
|
||||
q->hits = 1 << EDX;
|
||||
return q;
|
||||
}
|
||||
|
||||
@@ -162,10 +214,17 @@ Tile *Codegen_x86::munchArith( TNode *t ){
|
||||
|
||||
string s, op;
|
||||
switch (t->op) {
|
||||
case IR_ADD:op="\tadd\t";break;
|
||||
case IR_SUB:op="\tsub\t";break;
|
||||
case IR_MUL:op="\timul\t";break;
|
||||
default:return 0;
|
||||
case IR_ADD:
|
||||
op = "\tadd\t";
|
||||
break;
|
||||
case IR_SUB:
|
||||
op = "\tsub\t";
|
||||
break;
|
||||
case IR_MUL:
|
||||
op = "\timul\t";
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (matchMEMCONST(t->r, s)) {
|
||||
@@ -177,13 +236,21 @@ Tile *Codegen_x86::munchArith( TNode *t ){
|
||||
return new Tile(op + "%l,%r\n", munchReg(t->l), munchReg(t->r));
|
||||
}
|
||||
|
||||
Tile *Codegen_x86::munchShift( TNode *t ){
|
||||
Tile* Codegen_x86::munchShift(TNode* t)
|
||||
{
|
||||
string s, op;
|
||||
switch (t->op) {
|
||||
case IR_SHL:op="\tshl\t";break;
|
||||
case IR_SHR:op="\tshr\t";break;
|
||||
case IR_SAR:op="\tsar\t";break;
|
||||
default:return 0;
|
||||
case IR_SHL:
|
||||
op = "\tshl\t";
|
||||
break;
|
||||
case IR_SHR:
|
||||
op = "\tshr\t";
|
||||
break;
|
||||
case IR_SAR:
|
||||
op = "\tsar\t";
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (matchCONST(t->r, s)) {
|
||||
@@ -191,10 +258,12 @@ Tile *Codegen_x86::munchShift( TNode *t ){
|
||||
}
|
||||
|
||||
Tile* q = new Tile(op + "%l,cl\n", munchReg(t->l), munchReg(t->r));
|
||||
q->want_r=ECX;return q;
|
||||
q->want_r = ECX;
|
||||
return q;
|
||||
}
|
||||
|
||||
Tile *Codegen_x86::munchRelop( TNode *t ){
|
||||
Tile* Codegen_x86::munchRelop(TNode* t)
|
||||
{
|
||||
string func;
|
||||
Tile* q = genCompare(t, func, false);
|
||||
|
||||
@@ -206,37 +275,73 @@ Tile *Codegen_x86::munchRelop( TNode *t ){
|
||||
////////////////////////////////////////////////
|
||||
// Float expressions returned on the FP stack //
|
||||
////////////////////////////////////////////////
|
||||
Tile *Codegen_x86::munchFPUnary( TNode *t ){
|
||||
Tile* Codegen_x86::munchFPUnary(TNode* t)
|
||||
{
|
||||
string s;
|
||||
switch (t->op) {
|
||||
case IR_FNEG:s="\tfchs\n";break;
|
||||
default:return 0;
|
||||
case IR_FNEG:
|
||||
s = "\tfchs\n";
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
return new Tile(s, munchFP(t->l));
|
||||
}
|
||||
|
||||
Tile *Codegen_x86::munchFPArith( TNode *t ){
|
||||
Tile* Codegen_x86::munchFPArith(TNode* t)
|
||||
{
|
||||
string s, s2;
|
||||
switch (t->op) {
|
||||
case IR_FADD:s="\tfaddp\tst(1)\n";break;
|
||||
case IR_FMUL:s="\tfmulp\tst(1)\n";break;
|
||||
case IR_FSUB:s="\tfsubrp\tst(1)\n";s2="\tfsubp\tst(1)\n";break;
|
||||
case IR_FDIV:s="\tfdivrp\tst(1)\n";s2="\tfdivp\tst(1)\n";break;
|
||||
default:return 0;
|
||||
case IR_FADD:
|
||||
s = "\tfaddp\tst(1)\n";
|
||||
break;
|
||||
case IR_FMUL:
|
||||
s = "\tfmulp\tst(1)\n";
|
||||
break;
|
||||
case IR_FSUB:
|
||||
s = "\tfsubrp\tst(1)\n";
|
||||
s2 = "\tfsubp\tst(1)\n";
|
||||
break;
|
||||
case IR_FDIV:
|
||||
s = "\tfdivrp\tst(1)\n";
|
||||
s2 = "\tfdivp\tst(1)\n";
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
return new Tile(s, s2, munchFP(t->l), munchFP(t->r));
|
||||
}
|
||||
|
||||
Tile *Codegen_x86::munchFPRelop( TNode *t ){
|
||||
Tile* Codegen_x86::munchFPRelop(TNode* t)
|
||||
{
|
||||
string s, s2;
|
||||
switch (t->op) {
|
||||
case IR_FSETEQ:s="z";s2="z";break;
|
||||
case IR_FSETNE:s="nz";s2="nz";break;
|
||||
case IR_FSETLT:s="b";s2="a";break;
|
||||
case IR_FSETGT:s="a";s2="b";break;
|
||||
case IR_FSETLE:s="be";s2="ae";break;
|
||||
case IR_FSETGE:s="ae";s2="be";break;
|
||||
default:return 0;
|
||||
case IR_FSETEQ:
|
||||
s = "z";
|
||||
s2 = "z";
|
||||
break;
|
||||
case IR_FSETNE:
|
||||
s = "nz";
|
||||
s2 = "nz";
|
||||
break;
|
||||
case IR_FSETLT:
|
||||
s = "b";
|
||||
s2 = "a";
|
||||
break;
|
||||
case IR_FSETGT:
|
||||
s = "a";
|
||||
s2 = "b";
|
||||
break;
|
||||
case IR_FSETLE:
|
||||
s = "be";
|
||||
s2 = "ae";
|
||||
break;
|
||||
case IR_FSETGE:
|
||||
s = "ae";
|
||||
s2 = "be";
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
s = "\tfucompp\n\tfnstsw\tax\n\tsahf\n\tset" + s + "\tal\n\tmovzx\t%l,al\n";
|
||||
s2 = "\tfucompp\n\tfnstsw\tax\n\tsahf\n\tset" + s2 + "\tal\n\tmovzx\t%l,al\n";
|
||||
@@ -248,7 +353,8 @@ Tile *Codegen_x86::munchFPRelop( TNode *t ){
|
||||
///////////////////////////
|
||||
// Generic Call handling //
|
||||
///////////////////////////
|
||||
Tile *Codegen_x86::munchCall( TNode *t ){
|
||||
Tile* Codegen_x86::munchCall(TNode* t)
|
||||
{
|
||||
Tile* q;
|
||||
if (t->l->op == IR_GLOBAL) {
|
||||
q = new Tile("\tcall\t" + t->l->sconst + "\n", t->r ? munchReg(t->r) : 0);
|
||||
@@ -264,8 +370,10 @@ Tile *Codegen_x86::munchCall( TNode *t ){
|
||||
/////////////////////////////
|
||||
// munch and dicard result //
|
||||
/////////////////////////////
|
||||
Tile *Codegen_x86::munch( TNode *t ){
|
||||
if( !t ) return 0;
|
||||
Tile* Codegen_x86::munch(TNode* t)
|
||||
{
|
||||
if (!t)
|
||||
return 0;
|
||||
Tile* q = 0;
|
||||
string s;
|
||||
switch (t->op) {
|
||||
@@ -276,7 +384,8 @@ Tile *Codegen_x86::munch( TNode *t ){
|
||||
q = new Tile("\tret\n");
|
||||
break;
|
||||
case IR_RETURN:
|
||||
q=munchReg( t->l );q->want_l=EAX;
|
||||
q = munchReg(t->l);
|
||||
q->want_l = EAX;
|
||||
s = "\tjmp\t" + t->sconst + '\n';
|
||||
q = new Tile(s, q);
|
||||
break;
|
||||
@@ -318,13 +427,19 @@ Tile *Codegen_x86::munch( TNode *t ){
|
||||
q = new Tile("\tmov\t" + s + "," + c + "\n");
|
||||
} else if (t->l->op == IR_ADD || t->l->op == IR_SUB) {
|
||||
TNode* p = 0;
|
||||
if( nodesEqual( t->l->l,t->r ) ) p=t->l->r;
|
||||
else if( t->l->op==IR_ADD && nodesEqual( t->l->r,t->r ) ) p=t->l->l;
|
||||
if (nodesEqual(t->l->l, t->r))
|
||||
p = t->l->r;
|
||||
else if (t->l->op == IR_ADD && nodesEqual(t->l->r, t->r))
|
||||
p = t->l->l;
|
||||
if (p) {
|
||||
string c, op;
|
||||
switch (t->l->op) {
|
||||
case IR_ADD:op="\tadd\t";break;
|
||||
case IR_SUB:op="\tsub\t";break;
|
||||
case IR_ADD:
|
||||
op = "\tadd\t";
|
||||
break;
|
||||
case IR_SUB:
|
||||
op = "\tsub\t";
|
||||
break;
|
||||
}
|
||||
if (matchCONST(p, c)) {
|
||||
q = new Tile(op + s + "," + c + "\n");
|
||||
@@ -333,19 +448,23 @@ Tile *Codegen_x86::munch( TNode *t ){
|
||||
}
|
||||
}
|
||||
}
|
||||
if( !q ) q=new Tile( "\tmov\t"+s+",%l\n",munchReg( t->l ) );
|
||||
if (!q)
|
||||
q = new Tile("\tmov\t" + s + ",%l\n", munchReg(t->l));
|
||||
}
|
||||
break;
|
||||
}
|
||||
if( !q ) q=munchReg( t );
|
||||
if (!q)
|
||||
q = munchReg(t);
|
||||
return q;
|
||||
}
|
||||
|
||||
///////////////////////////////////////////
|
||||
// munch and return result in a register //
|
||||
///////////////////////////////////////////
|
||||
Tile *Codegen_x86::munchReg( TNode *t ){
|
||||
if( !t ) return 0;
|
||||
Tile* Codegen_x86::munchReg(TNode* t)
|
||||
{
|
||||
if (!t)
|
||||
return 0;
|
||||
|
||||
string s;
|
||||
Tile* q = 0;
|
||||
@@ -401,23 +520,42 @@ Tile *Codegen_x86::munchReg( TNode *t ){
|
||||
case IR_NEG:
|
||||
q = munchUnary(t);
|
||||
break;
|
||||
case IR_AND:case IR_OR:case IR_XOR:
|
||||
case IR_AND:
|
||||
case IR_OR:
|
||||
case IR_XOR:
|
||||
q = munchLogical(t);
|
||||
break;
|
||||
case IR_ADD:case IR_SUB:case IR_MUL:case IR_DIV:
|
||||
case IR_ADD:
|
||||
case IR_SUB:
|
||||
case IR_MUL:
|
||||
case IR_DIV:
|
||||
q = munchArith(t);
|
||||
break;
|
||||
case IR_SHL:case IR_SHR:case IR_SAR:
|
||||
case IR_SHL:
|
||||
case IR_SHR:
|
||||
case IR_SAR:
|
||||
q = munchShift(t);
|
||||
break;
|
||||
case IR_SETEQ:case IR_SETNE:case IR_SETLT:case IR_SETGT:case IR_SETLE:case IR_SETGE:
|
||||
case IR_SETEQ:
|
||||
case IR_SETNE:
|
||||
case IR_SETLT:
|
||||
case IR_SETGT:
|
||||
case IR_SETLE:
|
||||
case IR_SETGE:
|
||||
q = munchRelop(t);
|
||||
break;
|
||||
case IR_FSETEQ:case IR_FSETNE:case IR_FSETLT:case IR_FSETGT:case IR_FSETLE:case IR_FSETGE:
|
||||
case IR_FSETEQ:
|
||||
case IR_FSETNE:
|
||||
case IR_FSETLT:
|
||||
case IR_FSETGT:
|
||||
case IR_FSETLE:
|
||||
case IR_FSETGE:
|
||||
q = munchFPRelop(t);
|
||||
break;
|
||||
default:
|
||||
q=munchFP( t );if( !q ) return 0;
|
||||
q = munchFP(t);
|
||||
if (!q)
|
||||
return 0;
|
||||
s = "\tpush\t%l\n\tfstp\t[esp]\n\tpop\t%l\n";
|
||||
q = new Tile(s, q);
|
||||
}
|
||||
@@ -427,8 +565,10 @@ Tile *Codegen_x86::munchReg( TNode *t ){
|
||||
/////////////////////////////////////////
|
||||
// munch and return result on FP stack //
|
||||
/////////////////////////////////////////
|
||||
Tile *Codegen_x86::munchFP( TNode *t ){
|
||||
if( !t ) return 0;
|
||||
Tile* Codegen_x86::munchFP(TNode* t)
|
||||
{
|
||||
if (!t)
|
||||
return 0;
|
||||
|
||||
string s;
|
||||
Tile* q = 0;
|
||||
@@ -444,11 +584,16 @@ Tile *Codegen_x86::munchFP( TNode *t ){
|
||||
case IR_FNEG:
|
||||
q = munchFPUnary(t);
|
||||
break;
|
||||
case IR_FADD:case IR_FSUB:case IR_FMUL:case IR_FDIV:
|
||||
case IR_FADD:
|
||||
case IR_FSUB:
|
||||
case IR_FMUL:
|
||||
case IR_FDIV:
|
||||
q = munchFPArith(t);
|
||||
break;
|
||||
default:
|
||||
q=munchReg( t );if( !q ) return 0;
|
||||
q = munchReg(t);
|
||||
if (!q)
|
||||
return 0;
|
||||
s = "\tpush\t%l\n\tfld\t[esp]\n\tpop\t%l\n";
|
||||
q = new Tile(s, q);
|
||||
}
|
||||
|
||||
+138
-71
@@ -1,13 +1,12 @@
|
||||
|
||||
#include "tile.h"
|
||||
#include "../std.h"
|
||||
#include "codegen_x86.h"
|
||||
#include "tile.h"
|
||||
|
||||
//reduce to 3 for stress test
|
||||
static const int NUM_REGS = 6;
|
||||
|
||||
static const string regs[] =
|
||||
{ "???","eax","ecx","edx","edi","esi","ebx" };
|
||||
static const string regs[] = {"???", "eax", "ecx", "edx", "edi", "esi", "ebx"};
|
||||
|
||||
//array of 'used' flags
|
||||
static bool regUsed[NUM_REGS + 1];
|
||||
@@ -21,85 +20,117 @@ static vector<string> codeFrags, dataFrags;
|
||||
//name of function
|
||||
static string funcLabel;
|
||||
|
||||
static void resetRegs() {
|
||||
for (int n = 1; n <= NUM_REGS; ++n) regUsed[n] = false;
|
||||
static void resetRegs()
|
||||
{
|
||||
for (int n = 1; n <= NUM_REGS; ++n)
|
||||
regUsed[n] = false;
|
||||
}
|
||||
|
||||
static int allocReg(int n) {
|
||||
static int allocReg(int n)
|
||||
{
|
||||
if (!n || regUsed[n]) {
|
||||
for (n = NUM_REGS; n >= 1 && regUsed[n]; --n) {}
|
||||
if (!n) return 0;
|
||||
for (n = NUM_REGS; n >= 1 && regUsed[n]; --n) {
|
||||
}
|
||||
if (!n)
|
||||
return 0;
|
||||
}
|
||||
regUsed[n] = true;
|
||||
return n;
|
||||
}
|
||||
|
||||
static void freeReg(int n) {
|
||||
static void freeReg(int n)
|
||||
{
|
||||
regUsed[n] = false;
|
||||
}
|
||||
|
||||
static void pushReg(int n) {
|
||||
static void pushReg(int n)
|
||||
{
|
||||
frameSize += 4;
|
||||
if (frameSize > maxFrameSize) maxFrameSize = frameSize;
|
||||
if (frameSize > maxFrameSize)
|
||||
maxFrameSize = frameSize;
|
||||
char buff[32];
|
||||
_itoa(frameSize, buff, 10);
|
||||
string s = "\tmov\t[ebp-"; s += buff; s += "],"; s += regs[n]; s += '\n';
|
||||
string s = "\tmov\t[ebp-";
|
||||
s += buff;
|
||||
s += "],";
|
||||
s += regs[n];
|
||||
s += '\n';
|
||||
codeFrags.push_back(s);
|
||||
}
|
||||
|
||||
static void popReg(int n) {
|
||||
char buff[32]; _itoa(frameSize, buff, 10);
|
||||
string s = "\tmov\t"; s += regs[n]; s += ",[ebp-"; s += buff; s += "]\n";
|
||||
static void popReg(int n)
|
||||
{
|
||||
char buff[32];
|
||||
_itoa(frameSize, buff, 10);
|
||||
string s = "\tmov\t";
|
||||
s += regs[n];
|
||||
s += ",[ebp-";
|
||||
s += buff;
|
||||
s += "]\n";
|
||||
codeFrags.push_back(s);
|
||||
frameSize -= 4;
|
||||
}
|
||||
|
||||
static void moveReg(int d, int s) {
|
||||
static void moveReg(int d, int s)
|
||||
{
|
||||
string t = "\tmov\t" + regs[d] + ',' + regs[s] + '\n';
|
||||
codeFrags.push_back(t);
|
||||
}
|
||||
|
||||
static void swapRegs(int d, int s) {
|
||||
static void swapRegs(int d, int s)
|
||||
{
|
||||
string t = "\txchg\t" + regs[d] + ',' + regs[s] + '\n';
|
||||
codeFrags.push_back(t);
|
||||
}
|
||||
|
||||
Tile::Tile(const string& a, Tile* l, Tile* r)
|
||||
:assem(a), l(l), r(r), want_l(0), want_r(0), hits(0), need(0), argFrame(0) {
|
||||
}
|
||||
: assem(a), l(l), r(r), want_l(0), want_r(0), hits(0), need(0), argFrame(0)
|
||||
{}
|
||||
|
||||
Tile::Tile(const string& a, const string& a2, Tile* l, Tile* r)
|
||||
: assem(a), assem2(a2), l(l), r(r), want_l(0), want_r(0), hits(0), need(0), argFrame(0) {
|
||||
: assem(a), assem2(a2), l(l), r(r), want_l(0), want_r(0), hits(0), need(0), argFrame(0)
|
||||
{}
|
||||
|
||||
Tile::~Tile()
|
||||
{
|
||||
delete l;
|
||||
delete r;
|
||||
}
|
||||
|
||||
Tile::~Tile() {
|
||||
delete l; delete r;
|
||||
}
|
||||
|
||||
void Tile::label() {
|
||||
void Tile::label()
|
||||
{
|
||||
if (!l) {
|
||||
need = 1;
|
||||
} else if (!r) {
|
||||
l->label();
|
||||
need = l->need;
|
||||
} else {
|
||||
l->label(); r->label();
|
||||
if (l->need == r->need) need = l->need + 1;
|
||||
else if (l->need > r->need) need = l->need;
|
||||
else need = r->need;
|
||||
l->label();
|
||||
r->label();
|
||||
if (l->need == r->need)
|
||||
need = l->need + 1;
|
||||
else if (l->need > r->need)
|
||||
need = l->need;
|
||||
else
|
||||
need = r->need;
|
||||
}
|
||||
}
|
||||
|
||||
int Tile::eval(int want) {
|
||||
int Tile::eval(int want)
|
||||
{
|
||||
//save any hit registers
|
||||
int spill = hits;
|
||||
if (want_l) spill |= 1 << want_l;
|
||||
if (want_r) spill |= 1 << want_r;
|
||||
if (want_l)
|
||||
spill |= 1 << want_l;
|
||||
if (want_r)
|
||||
spill |= 1 << want_r;
|
||||
if (spill) {
|
||||
for (int n = 1; n <= NUM_REGS; ++n) {
|
||||
if (spill & (1 << n)) {
|
||||
if (regUsed[n]) pushReg(n);
|
||||
else spill &= ~(1 << n);
|
||||
if (regUsed[n])
|
||||
pushReg(n);
|
||||
else
|
||||
spill &= ~(1 << n);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -110,7 +141,8 @@ int Tile::eval(int want) {
|
||||
}
|
||||
|
||||
int got_l = 0, got_r = 0;
|
||||
if (want_l) want = want_l;
|
||||
if (want_l)
|
||||
want = want_l;
|
||||
|
||||
string* as = &assem;
|
||||
|
||||
@@ -121,37 +153,49 @@ int Tile::eval(int want) {
|
||||
} else {
|
||||
if (l->need >= NUM_REGS && r->need >= NUM_REGS) {
|
||||
got_r = r->eval(0);
|
||||
pushReg(got_r); freeReg(got_r);
|
||||
pushReg(got_r);
|
||||
freeReg(got_r);
|
||||
got_l = l->eval(want);
|
||||
got_r = allocReg(want_r); popReg(got_r);
|
||||
got_r = allocReg(want_r);
|
||||
popReg(got_r);
|
||||
} else if (r->need > l->need) {
|
||||
got_r = r->eval(want_r);
|
||||
got_l = l->eval(want);
|
||||
} else {
|
||||
got_l = l->eval(want);
|
||||
got_r = r->eval(want_r);
|
||||
if (assem2.size()) as = &assem2;
|
||||
if (assem2.size())
|
||||
as = &assem2;
|
||||
}
|
||||
if (want_l == got_r || want_r == got_l) {
|
||||
swapRegs(got_l, got_r);
|
||||
int t = got_l; got_l = got_r; got_r = t;
|
||||
int t = got_l;
|
||||
got_l = got_r;
|
||||
got_r = t;
|
||||
}
|
||||
}
|
||||
|
||||
if (!want_l) want_l = got_l;
|
||||
else if (want_l != got_l) moveReg(want_l, got_l);
|
||||
if (!want_l)
|
||||
want_l = got_l;
|
||||
else if (want_l != got_l)
|
||||
moveReg(want_l, got_l);
|
||||
|
||||
if (!want_r) want_r = got_r;
|
||||
else if (want_r != got_r) moveReg(want_r, got_r);
|
||||
if (!want_r)
|
||||
want_r = got_r;
|
||||
else if (want_r != got_r)
|
||||
moveReg(want_r, got_r);
|
||||
|
||||
int i;
|
||||
while ((i = as->find("%l")) != string::npos) as->replace(i, 2, regs[want_l]);
|
||||
while ((i = as->find("%r")) != string::npos) as->replace(i, 2, regs[want_r]);
|
||||
while ((i = as->find("%l")) != string::npos)
|
||||
as->replace(i, 2, regs[want_l]);
|
||||
while ((i = as->find("%r")) != string::npos)
|
||||
as->replace(i, 2, regs[want_r]);
|
||||
|
||||
codeFrags.push_back(*as);
|
||||
|
||||
freeReg(got_r);
|
||||
if (want_l != got_l) moveReg(got_l, want_l);
|
||||
if (want_l != got_l)
|
||||
moveReg(got_l, want_l);
|
||||
|
||||
//cleanup argFrame
|
||||
if (argFrame) {
|
||||
@@ -162,26 +206,31 @@ int Tile::eval(int want) {
|
||||
//restore spilled regs
|
||||
if (spill) {
|
||||
for (int n = NUM_REGS; n >= 1; --n) {
|
||||
if (spill&(1 << n)) popReg(n);
|
||||
if (spill & (1 << n))
|
||||
popReg(n);
|
||||
}
|
||||
}
|
||||
return got_l;
|
||||
}
|
||||
|
||||
void Codegen_x86::flush() {
|
||||
void Codegen_x86::flush()
|
||||
{
|
||||
vector<string>::iterator it;
|
||||
for (it = dataFrags.begin(); it != dataFrags.end(); ++it) out << *it;
|
||||
for (it = dataFrags.begin(); it != dataFrags.end(); ++it)
|
||||
out << *it;
|
||||
dataFrags.clear();
|
||||
}
|
||||
|
||||
void Codegen_x86::enter(const string &l, int frameSize) {
|
||||
|
||||
void Codegen_x86::enter(const string& l, int frameSize)
|
||||
{
|
||||
inCode = true;
|
||||
::frameSize = maxFrameSize = frameSize;
|
||||
codeFrags.clear(); funcLabel = l;
|
||||
codeFrags.clear();
|
||||
funcLabel = l;
|
||||
}
|
||||
|
||||
void Codegen_x86::code(TNode *stmt) {
|
||||
void Codegen_x86::code(TNode* stmt)
|
||||
{
|
||||
resetRegs();
|
||||
Tile* q = munch(stmt);
|
||||
q->label();
|
||||
@@ -190,12 +239,15 @@ void Codegen_x86::code(TNode *stmt) {
|
||||
delete stmt;
|
||||
}
|
||||
|
||||
static string fixEsp(int esp_off) {
|
||||
if (esp_off < 0) return "\tsub\tesp," + itoa(-esp_off) + "\n";
|
||||
static string fixEsp(int esp_off)
|
||||
{
|
||||
if (esp_off < 0)
|
||||
return "\tsub\tesp," + itoa(-esp_off) + "\n";
|
||||
return "\tadd\tesp," + itoa(esp_off) + "\n";
|
||||
}
|
||||
|
||||
void Codegen_x86::leave(TNode *cleanup, int pop_sz) {
|
||||
void Codegen_x86::leave(TNode* cleanup, int pop_sz)
|
||||
{
|
||||
if (cleanup) {
|
||||
resetRegs();
|
||||
allocReg(EAX);
|
||||
@@ -207,14 +259,16 @@ void Codegen_x86::leave(TNode *cleanup, int pop_sz) {
|
||||
|
||||
out << "\t.align\t16\n";
|
||||
|
||||
if (funcLabel.size()) out << funcLabel << '\n';
|
||||
if (funcLabel.size())
|
||||
out << funcLabel << '\n';
|
||||
|
||||
out << "\tpush\tebx\n";
|
||||
out << "\tpush\tesi\n";
|
||||
out << "\tpush\tedi\n";
|
||||
out << "\tpush\tebp\n";
|
||||
out << "\tmov\tebp,esp\n";
|
||||
if (maxFrameSize) out << "\tsub\tesp," << maxFrameSize << '\n';
|
||||
if (maxFrameSize)
|
||||
out << "\tsub\tesp," << maxFrameSize << '\n';
|
||||
|
||||
int esp_off = 0;
|
||||
vector<string>::iterator it = codeFrags.begin();
|
||||
@@ -233,7 +287,8 @@ void Codegen_x86::leave(TNode *cleanup, int pop_sz) {
|
||||
out << *it;
|
||||
}
|
||||
}
|
||||
if (esp_off) out << fixEsp(esp_off);
|
||||
if (esp_off)
|
||||
out << fixEsp(esp_off);
|
||||
|
||||
out << "\tmov\tesp,ebp\n";
|
||||
out << "\tpop\tebp\n";
|
||||
@@ -246,29 +301,41 @@ void Codegen_x86::leave(TNode *cleanup, int pop_sz) {
|
||||
inCode = false;
|
||||
}
|
||||
|
||||
void Codegen_x86::label(const string &l) {
|
||||
void Codegen_x86::label(const string& l)
|
||||
{
|
||||
string t = l + '\n';
|
||||
if (inCode) codeFrags.push_back(t);
|
||||
else dataFrags.push_back(t);
|
||||
if (inCode)
|
||||
codeFrags.push_back(t);
|
||||
else
|
||||
dataFrags.push_back(t);
|
||||
}
|
||||
|
||||
void Codegen_x86::align_data(int n) {
|
||||
char buff[32]; _itoa(n, buff, 10);
|
||||
void Codegen_x86::align_data(int n)
|
||||
{
|
||||
char buff[32];
|
||||
_itoa(n, buff, 10);
|
||||
dataFrags.push_back(string("\t.align\t") + buff + '\n');
|
||||
}
|
||||
|
||||
void Codegen_x86::i_data(int i, const string &l) {
|
||||
if (l.size()) dataFrags.push_back(l);
|
||||
char buff[32]; _itoa(i, buff, 10);
|
||||
void Codegen_x86::i_data(int i, const string& l)
|
||||
{
|
||||
if (l.size())
|
||||
dataFrags.push_back(l);
|
||||
char buff[32];
|
||||
_itoa(i, buff, 10);
|
||||
dataFrags.push_back(string("\t.dd\t") + buff + '\n');
|
||||
}
|
||||
|
||||
void Codegen_x86::s_data(const string &s, const string &l) {
|
||||
if (l.size()) dataFrags.push_back(l);
|
||||
void Codegen_x86::s_data(const string& s, const string& l)
|
||||
{
|
||||
if (l.size())
|
||||
dataFrags.push_back(l);
|
||||
dataFrags.push_back(string("\t.db\t\"") + s + "\",0\n");
|
||||
}
|
||||
|
||||
void Codegen_x86::p_data(const string &p, const string &l) {
|
||||
if (l.size()) dataFrags.push_back(l);
|
||||
void Codegen_x86::p_data(const string& p, const string& l)
|
||||
{
|
||||
if (l.size())
|
||||
dataFrags.push_back(l);
|
||||
dataFrags.push_back(string("\t.dd\t") + p + '\n');
|
||||
}
|
||||
|
||||
+17
-13
@@ -1,35 +1,39 @@
|
||||
|
||||
#include "std.hpp"
|
||||
#include "decl.hpp"
|
||||
#include "std.hpp"
|
||||
#include "type.hpp"
|
||||
|
||||
Decl::~Decl(){
|
||||
}
|
||||
Decl::~Decl() {}
|
||||
|
||||
DeclSeq::DeclSeq(){
|
||||
}
|
||||
DeclSeq::DeclSeq() {}
|
||||
|
||||
void Decl::getName( char *buff ){
|
||||
void Decl::getName(char* buff)
|
||||
{
|
||||
int sz = name.size();
|
||||
memcpy(buff, name.data(), sz);
|
||||
buff[sz] = 0;
|
||||
}
|
||||
|
||||
DeclSeq::~DeclSeq(){
|
||||
for( ;decls.size();decls.pop_back() ) delete decls.back();
|
||||
DeclSeq::~DeclSeq()
|
||||
{
|
||||
for (; decls.size(); decls.pop_back())
|
||||
delete decls.back();
|
||||
}
|
||||
|
||||
Decl *DeclSeq::findDecl( const string &s ){
|
||||
Decl* DeclSeq::findDecl(const string& s)
|
||||
{
|
||||
vector<Decl*>::iterator it;
|
||||
for (it = decls.begin(); it != decls.end(); ++it) {
|
||||
if( (*it)->name==s ) return *it;
|
||||
if ((*it)->name == s)
|
||||
return *it;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
Decl *DeclSeq::insertDecl( const string &s,Type *t,int kind,ConstType *d ){
|
||||
if( findDecl( s ) ) return 0;
|
||||
Decl* DeclSeq::insertDecl(const string& s, Type* t, int kind, ConstType* d)
|
||||
{
|
||||
if (findDecl(s))
|
||||
return 0;
|
||||
decls.push_back(new Decl(s, t, kind, d));
|
||||
return decls.back();
|
||||
}
|
||||
|
||||
|
||||
+11
-3
@@ -3,8 +3,13 @@
|
||||
#define DECL_H
|
||||
|
||||
enum {
|
||||
DECL_FUNC=1,DECL_ARRAY=2,DECL_STRUCT=4, //NOT vars
|
||||
DECL_GLOBAL=8,DECL_LOCAL=16,DECL_PARAM=32,DECL_FIELD=64 //ARE vars
|
||||
DECL_FUNC = 1,
|
||||
DECL_ARRAY = 2,
|
||||
DECL_STRUCT = 4, //NOT vars
|
||||
DECL_GLOBAL = 8,
|
||||
DECL_LOCAL = 16,
|
||||
DECL_PARAM = 32,
|
||||
DECL_FIELD = 64 //ARE vars
|
||||
};
|
||||
|
||||
struct Type;
|
||||
@@ -27,7 +32,10 @@ struct DeclSeq{
|
||||
~DeclSeq();
|
||||
Decl* findDecl(const string& s);
|
||||
Decl* insertDecl(const string& s, Type* t, int kind, ConstType* d = 0);
|
||||
int size(){ return decls.size(); }
|
||||
int size()
|
||||
{
|
||||
return decls.size();
|
||||
}
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
+147
-78
@@ -1,45 +1,65 @@
|
||||
|
||||
#include "std.hpp"
|
||||
#include "nodes.hpp"
|
||||
#include "std.hpp"
|
||||
|
||||
//////////////////////////////
|
||||
// Sequence of declarations //
|
||||
//////////////////////////////
|
||||
void DeclSeqNode::proto(DeclSeq *d, Environ *e) {
|
||||
void DeclSeqNode::proto(DeclSeq* d, Environ* e)
|
||||
{
|
||||
for (size_t k = 0; k < decls.size(); ++k) {
|
||||
try { decls[k]->proto(d, e); } catch (Ex &x) {
|
||||
if (x.pos < 0) x.pos = decls[k]->pos;
|
||||
if (!x.file.size()) x.file = decls[k]->file;
|
||||
try {
|
||||
decls[k]->proto(d, e);
|
||||
} catch (Ex& x) {
|
||||
if (x.pos < 0)
|
||||
x.pos = decls[k]->pos;
|
||||
if (!x.file.size())
|
||||
x.file = decls[k]->file;
|
||||
throw;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void DeclSeqNode::semant(Environ *e) {
|
||||
void DeclSeqNode::semant(Environ* e)
|
||||
{
|
||||
for (size_t k = 0; k < decls.size(); ++k) {
|
||||
try { decls[k]->semant(e); } catch (Ex &x) {
|
||||
if (x.pos < 0) x.pos = decls[k]->pos;
|
||||
if (!x.file.size()) x.file = decls[k]->file;
|
||||
try {
|
||||
decls[k]->semant(e);
|
||||
} catch (Ex& x) {
|
||||
if (x.pos < 0)
|
||||
x.pos = decls[k]->pos;
|
||||
if (!x.file.size())
|
||||
x.file = decls[k]->file;
|
||||
throw;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void DeclSeqNode::translate(Codegen *g) {
|
||||
void DeclSeqNode::translate(Codegen* g)
|
||||
{
|
||||
for (size_t k = 0; k < decls.size(); ++k) {
|
||||
try { decls[k]->translate(g); } catch (Ex &x) {
|
||||
if (x.pos < 0) x.pos = decls[k]->pos;
|
||||
if (!x.file.size()) x.file = decls[k]->file;
|
||||
try {
|
||||
decls[k]->translate(g);
|
||||
} catch (Ex& x) {
|
||||
if (x.pos < 0)
|
||||
x.pos = decls[k]->pos;
|
||||
if (!x.file.size())
|
||||
x.file = decls[k]->file;
|
||||
throw;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void DeclSeqNode::transdata(Codegen *g) {
|
||||
void DeclSeqNode::transdata(Codegen* g)
|
||||
{
|
||||
for (size_t k = 0; k < decls.size(); ++k) {
|
||||
try { decls[k]->transdata(g); } catch (Ex &x) {
|
||||
if (x.pos < 0) x.pos = decls[k]->pos;
|
||||
if (!x.file.size()) x.file = decls[k]->file;
|
||||
try {
|
||||
decls[k]->transdata(g);
|
||||
} catch (Ex& x) {
|
||||
if (x.pos < 0)
|
||||
x.pos = decls[k]->pos;
|
||||
if (!x.file.size())
|
||||
x.file = decls[k]->file;
|
||||
throw;
|
||||
}
|
||||
}
|
||||
@@ -48,10 +68,11 @@ void DeclSeqNode::transdata(Codegen *g) {
|
||||
////////////////////////////
|
||||
// Simple var declaration //
|
||||
////////////////////////////
|
||||
void VarDeclNode::proto(DeclSeq *d, Environ *e) {
|
||||
|
||||
void VarDeclNode::proto(DeclSeq* d, Environ* e)
|
||||
{
|
||||
Type* ty = tagType(tag, e);
|
||||
if (!ty) ty = Type::int_type;
|
||||
if (!ty)
|
||||
ty = Type::int_type;
|
||||
ConstType* defType = 0;
|
||||
|
||||
if (expr != nullptr) {
|
||||
@@ -67,13 +88,17 @@ void VarDeclNode::proto(DeclSeq *d, Environ *e) {
|
||||
if (constant || (kind & DECL_PARAM)) {
|
||||
ConstNode* c = static_cast<ConstNode*>(expr); //->constNode();
|
||||
|
||||
|
||||
if (!c) ex("Expression must be constant");
|
||||
if (ty == Type::int_type) ty = new ConstType(c->intValue());
|
||||
else if (ty == Type::float_type) ty = new ConstType(c->floatValue());
|
||||
else ty = new ConstType(c->stringValue());
|
||||
if (!c)
|
||||
ex("Expression must be constant");
|
||||
if (ty == Type::int_type)
|
||||
ty = new ConstType(c->intValue());
|
||||
else if (ty == Type::float_type)
|
||||
ty = new ConstType(c->floatValue());
|
||||
else
|
||||
ty = new ConstType(c->stringValue());
|
||||
e->types.push_back(ty);
|
||||
delete expr; expr = 0;
|
||||
delete expr;
|
||||
expr = 0;
|
||||
}
|
||||
|
||||
if (expr == nullptr) {
|
||||
@@ -81,55 +106,66 @@ void VarDeclNode::proto(DeclSeq *d, Environ *e) {
|
||||
}
|
||||
|
||||
if (kind & DECL_PARAM) { // Heap corruption, this being replaced again?
|
||||
defType = ty->constType(); ty = defType->valueType;
|
||||
defType = ty->constType();
|
||||
ty = defType->valueType;
|
||||
}
|
||||
} else if (constant) ex("Constants must be initialized");
|
||||
} else if (constant)
|
||||
ex("Constants must be initialized");
|
||||
|
||||
Decl* decl = d->insertDecl(ident, ty, kind, defType);
|
||||
if (!decl) ex("Duplicate variable name");
|
||||
if (expr) sem_var = new DeclVarNode(decl);
|
||||
if (!decl)
|
||||
ex("Duplicate variable name");
|
||||
if (expr)
|
||||
sem_var = new DeclVarNode(decl);
|
||||
}
|
||||
|
||||
void VarDeclNode::semant(Environ* e) {}
|
||||
|
||||
void VarDeclNode::translate(Codegen *g) {
|
||||
void VarDeclNode::translate(Codegen* g)
|
||||
{
|
||||
if (kind & DECL_GLOBAL) {
|
||||
g->align_data(4);
|
||||
g->i_data(0, "_v" + ident);
|
||||
}
|
||||
if (expr) g->code(sem_var->store(g, expr->translate(g)));
|
||||
if (expr)
|
||||
g->code(sem_var->store(g, expr->translate(g)));
|
||||
}
|
||||
|
||||
//////////////////////////
|
||||
// Function Declaration //
|
||||
//////////////////////////
|
||||
void FuncDeclNode::proto(DeclSeq *d, Environ *e) {
|
||||
Type *t = tagType(tag, e); if (!t) t = Type::int_type;
|
||||
void FuncDeclNode::proto(DeclSeq* d, Environ* e)
|
||||
{
|
||||
Type* t = tagType(tag, e);
|
||||
if (!t)
|
||||
t = Type::int_type;
|
||||
a_ptr<DeclSeq> decls(new DeclSeq());
|
||||
params->proto(decls, e);
|
||||
sem_type = new FuncType(t, decls.release(), false, false);
|
||||
if (!d->insertDecl(ident, sem_type, DECL_FUNC)) {
|
||||
delete sem_type; ex("duplicate identifier");
|
||||
delete sem_type;
|
||||
ex("duplicate identifier");
|
||||
}
|
||||
e->types.push_back(sem_type);
|
||||
}
|
||||
|
||||
void FuncDeclNode::semant(Environ *e) {
|
||||
|
||||
void FuncDeclNode::semant(Environ* e)
|
||||
{
|
||||
sem_env = new Environ(genLabel(), sem_type->returnType, 1, e);
|
||||
DeclSeq* decls = sem_env->decls;
|
||||
|
||||
int k;
|
||||
for (k = 0; k < sem_type->params->size(); ++k) {
|
||||
Decl* d = sem_type->params->decls[k];
|
||||
if (!decls->insertDecl(d->name, d->type, d->kind)) ex("duplicate identifier");
|
||||
if (!decls->insertDecl(d->name, d->type, d->kind))
|
||||
ex("duplicate identifier");
|
||||
}
|
||||
|
||||
stmts->semant(sem_env);
|
||||
}
|
||||
|
||||
void FuncDeclNode::translate(Codegen *g) {
|
||||
|
||||
void FuncDeclNode::translate(Codegen* g)
|
||||
{
|
||||
//var offsets
|
||||
int size = enumVars(sem_env);
|
||||
|
||||
@@ -138,7 +174,8 @@ void FuncDeclNode::translate(Codegen *g) {
|
||||
|
||||
//initialize locals
|
||||
TNode* t = createVars(sem_env);
|
||||
if (t) g->code(t);
|
||||
if (t)
|
||||
g->code(t);
|
||||
if (g->debug) {
|
||||
string t = genLabel();
|
||||
g->s_data(ident, t);
|
||||
@@ -149,34 +186,40 @@ void FuncDeclNode::translate(Codegen *g) {
|
||||
stmts->translate(g);
|
||||
|
||||
for (size_t k = 0; k < sem_env->labels.size(); ++k) {
|
||||
if (sem_env->labels[k]->def < 0) ex("Undefined label", sem_env->labels[k]->ref);
|
||||
if (sem_env->labels[k]->def < 0)
|
||||
ex("Undefined label", sem_env->labels[k]->ref);
|
||||
}
|
||||
|
||||
//leave the function
|
||||
g->label(sem_env->funcLabel + "_leave");
|
||||
t = deleteVars(sem_env);
|
||||
if (g->debug) t = new TNode(IR_SEQ, call("__bbDebugLeave"), t);
|
||||
if (g->debug)
|
||||
t = new TNode(IR_SEQ, call("__bbDebugLeave"), t);
|
||||
g->leave(t, sem_type->params->size() * 4);
|
||||
}
|
||||
|
||||
//////////////////////
|
||||
// Type Declaration //
|
||||
//////////////////////
|
||||
void StructDeclNode::proto(DeclSeq *d, Environ *e) {
|
||||
void StructDeclNode::proto(DeclSeq* d, Environ* e)
|
||||
{
|
||||
sem_type = new StructType(ident, new DeclSeq());
|
||||
if (!d->insertDecl(ident, sem_type, DECL_STRUCT)) {
|
||||
delete sem_type; ex("Duplicate identifier");
|
||||
delete sem_type;
|
||||
ex("Duplicate identifier");
|
||||
}
|
||||
e->types.push_back(sem_type);
|
||||
}
|
||||
|
||||
void StructDeclNode::semant(Environ *e) {
|
||||
void StructDeclNode::semant(Environ* e)
|
||||
{
|
||||
fields->proto(sem_type->fields, e);
|
||||
for (int k = 0; k < sem_type->fields->size(); ++k) sem_type->fields->decls[k]->offset = k * 4;
|
||||
for (int k = 0; k < sem_type->fields->size(); ++k)
|
||||
sem_type->fields->decls[k]->offset = k * 4;
|
||||
}
|
||||
|
||||
void StructDeclNode::translate(Codegen *g) {
|
||||
|
||||
void StructDeclNode::translate(Codegen* g)
|
||||
{
|
||||
//translate fields
|
||||
fields->translate(g);
|
||||
|
||||
@@ -203,86 +246,112 @@ void StructDeclNode::translate(Codegen *g) {
|
||||
Decl* field = sem_type->fields->decls[k];
|
||||
Type* type = field->type;
|
||||
string t;
|
||||
if (type == Type::int_type) t = "__bbIntType";
|
||||
else if (type == Type::float_type) t = "__bbFltType";
|
||||
else if (type == Type::string_type) t = "__bbStrType";
|
||||
else if (StructType *s = type->structType()) t = "_t" + s->ident;
|
||||
else if (VectorType *v = type->vectorType()) t = v->label;
|
||||
if (type == Type::int_type)
|
||||
t = "__bbIntType";
|
||||
else if (type == Type::float_type)
|
||||
t = "__bbFltType";
|
||||
else if (type == Type::string_type)
|
||||
t = "__bbStrType";
|
||||
else if (StructType* s = type->structType())
|
||||
t = "_t" + s->ident;
|
||||
else if (VectorType* v = type->vectorType())
|
||||
t = v->label;
|
||||
g->p_data(t);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
//////////////////////
|
||||
// Data declaration //
|
||||
//////////////////////
|
||||
void DataDeclNode::proto(DeclSeq *d, Environ *e) {
|
||||
void DataDeclNode::proto(DeclSeq* d, Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
ConstNode* c = expr->constNode();
|
||||
if (!c) ex("Data expression must be constant");
|
||||
if (expr->sem_type == Type::string_type) str_label = genLabel();
|
||||
if (!c)
|
||||
ex("Data expression must be constant");
|
||||
if (expr->sem_type == Type::string_type)
|
||||
str_label = genLabel();
|
||||
}
|
||||
|
||||
void DataDeclNode::semant(Environ* e) {}
|
||||
|
||||
void DataDeclNode::translate(Codegen *g) {
|
||||
if (expr->sem_type != Type::string_type) return;
|
||||
void DataDeclNode::translate(Codegen* g)
|
||||
{
|
||||
if (expr->sem_type != Type::string_type)
|
||||
return;
|
||||
ConstNode* c = expr->constNode();
|
||||
g->s_data(c->stringValue(), str_label);
|
||||
}
|
||||
|
||||
void DataDeclNode::transdata(Codegen *g) {
|
||||
void DataDeclNode::transdata(Codegen* g)
|
||||
{
|
||||
ConstNode* c = expr->constNode();
|
||||
if (expr->sem_type == Type::int_type) {
|
||||
g->i_data(1); g->i_data(c->intValue());
|
||||
g->i_data(1);
|
||||
g->i_data(c->intValue());
|
||||
} else if (expr->sem_type == Type::float_type) {
|
||||
float n = c->floatValue();
|
||||
g->i_data(2); g->i_data(*(int*)&n);
|
||||
g->i_data(2);
|
||||
g->i_data(*(int*)&n);
|
||||
} else {
|
||||
g->i_data(4); g->p_data(str_label);
|
||||
g->i_data(4);
|
||||
g->p_data(str_label);
|
||||
}
|
||||
}
|
||||
|
||||
////////////////////////
|
||||
// Vector declaration //
|
||||
////////////////////////
|
||||
void VectorDeclNode::proto(DeclSeq *d, Environ *env) {
|
||||
|
||||
Type *ty = tagType(tag, env); if (!ty) ty = Type::int_type;
|
||||
void VectorDeclNode::proto(DeclSeq* d, Environ* env)
|
||||
{
|
||||
Type* ty = tagType(tag, env);
|
||||
if (!ty)
|
||||
ty = Type::int_type;
|
||||
|
||||
vector<int> sizes;
|
||||
for (int k = 0; k < exprs->size(); ++k) {
|
||||
ExprNode* e = exprs->exprs[k] = exprs->exprs[k]->semant(env);
|
||||
ConstNode* c = e->constNode();
|
||||
if (!c) ex("Blitz array sizes must be constant");
|
||||
if (!c)
|
||||
ex("Blitz array sizes must be constant");
|
||||
int n = c->intValue();
|
||||
if (n < 0) ex("Blitz array sizes must not be negative");
|
||||
if (n < 0)
|
||||
ex("Blitz array sizes must not be negative");
|
||||
sizes.push_back(n + 1);
|
||||
}
|
||||
string label = genLabel();
|
||||
sem_type = new VectorType(label, ty, sizes);
|
||||
if (!d->insertDecl(ident, sem_type, kind)) {
|
||||
delete sem_type; ex("Duplicate identifier");
|
||||
delete sem_type;
|
||||
ex("Duplicate identifier");
|
||||
}
|
||||
env->types.push_back(sem_type);
|
||||
}
|
||||
|
||||
void VectorDeclNode::translate(Codegen *g) {
|
||||
void VectorDeclNode::translate(Codegen* g)
|
||||
{
|
||||
//type tag!
|
||||
g->align_data(4);
|
||||
VectorType* v = sem_type->vectorType();
|
||||
g->i_data(6, v->label);
|
||||
int sz = 1;
|
||||
for (size_t k = 0; k < v->sizes.size(); ++k) sz *= v->sizes[k];
|
||||
for (size_t k = 0; k < v->sizes.size(); ++k)
|
||||
sz *= v->sizes[k];
|
||||
g->i_data(sz);
|
||||
string t;
|
||||
Type* type = v->elementType;
|
||||
if (type == Type::int_type) t = "__bbIntType";
|
||||
else if (type == Type::float_type) t = "__bbFltType";
|
||||
else if (type == Type::string_type) t = "__bbStrType";
|
||||
else if (StructType *s = type->structType()) t = "_t" + s->ident;
|
||||
else if (VectorType *v = type->vectorType()) t = v->label;
|
||||
if (type == Type::int_type)
|
||||
t = "__bbIntType";
|
||||
else if (type == Type::float_type)
|
||||
t = "__bbFltType";
|
||||
else if (type == Type::string_type)
|
||||
t = "__bbStrType";
|
||||
else if (StructType* s = type->structType())
|
||||
t = "_t" + s->ident;
|
||||
else if (VectorType* v = type->vectorType())
|
||||
t = v->label;
|
||||
g->p_data(t);
|
||||
|
||||
if (kind == DECL_GLOBAL) g->i_data(0, "_v" + ident);
|
||||
if (kind == DECL_GLOBAL)
|
||||
g->i_data(0, "_v" + ident);
|
||||
}
|
||||
|
||||
+43
-11
@@ -15,13 +15,23 @@ struct DeclNode : public Node{
|
||||
struct DeclSeqNode : public Node {
|
||||
vector<DeclNode*> decls;
|
||||
DeclSeqNode() {}
|
||||
~DeclSeqNode(){ for(;decls.size();decls.pop_back())delete decls.back(); }
|
||||
~DeclSeqNode()
|
||||
{
|
||||
for (; decls.size(); decls.pop_back())
|
||||
delete decls.back();
|
||||
}
|
||||
void proto(DeclSeq* d, Environ* e);
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
void transdata(Codegen* g);
|
||||
void push_back( DeclNode *d ){ decls.push_back( d ); }
|
||||
int size(){ return decls.size(); }
|
||||
void push_back(DeclNode* d)
|
||||
{
|
||||
decls.push_back(d);
|
||||
}
|
||||
int size()
|
||||
{
|
||||
return decls.size();
|
||||
}
|
||||
};
|
||||
|
||||
#include "exprnode.hpp"
|
||||
@@ -31,11 +41,18 @@ struct DeclSeqNode : public Node{
|
||||
//should probably be LocalDeclNode,GlobalDeclNode,ParamDeclNode
|
||||
struct VarDeclNode : public DeclNode {
|
||||
string ident, tag;
|
||||
int kind;bool constant;
|
||||
int kind;
|
||||
bool constant;
|
||||
ExprNode* expr;
|
||||
DeclVarNode* sem_var;
|
||||
VarDeclNode( const string &i,const string &t,int k,bool c,ExprNode *e ):ident(i),tag(t),kind(k),constant(c),expr(e),sem_var(0){}
|
||||
~VarDeclNode(){ delete expr;delete sem_var; }
|
||||
VarDeclNode(const string& i, const string& t, int k, bool c, ExprNode* e)
|
||||
: ident(i), tag(t), kind(k), constant(c), expr(e), sem_var(0)
|
||||
{}
|
||||
~VarDeclNode()
|
||||
{
|
||||
delete expr;
|
||||
delete sem_var;
|
||||
}
|
||||
void proto(DeclSeq* d, Environ* e);
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
@@ -47,8 +64,14 @@ struct FuncDeclNode : public DeclNode{
|
||||
StmtSeqNode* stmts;
|
||||
FuncType* sem_type;
|
||||
Environ* sem_env;
|
||||
FuncDeclNode( const string &i,const string &t,DeclSeqNode *p,StmtSeqNode *ss ):ident(i),tag(t),params(p),stmts(ss){}
|
||||
~FuncDeclNode(){ delete params;delete stmts; }
|
||||
FuncDeclNode(const string& i, const string& t, DeclSeqNode* p, StmtSeqNode* ss)
|
||||
: ident(i), tag(t), params(p), stmts(ss)
|
||||
{}
|
||||
~FuncDeclNode()
|
||||
{
|
||||
delete params;
|
||||
delete stmts;
|
||||
}
|
||||
void proto(DeclSeq* d, Environ* e);
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
@@ -59,7 +82,10 @@ struct StructDeclNode : public DeclNode{
|
||||
DeclSeqNode* fields;
|
||||
StructType* sem_type;
|
||||
StructDeclNode(const string& i, DeclSeqNode* f) : ident(i), fields(f) {}
|
||||
~StructDeclNode(){ delete fields; }
|
||||
~StructDeclNode()
|
||||
{
|
||||
delete fields;
|
||||
}
|
||||
void proto(DeclSeq* d, Environ* e);
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
@@ -69,7 +95,10 @@ struct DataDeclNode : public DeclNode{
|
||||
ExprNode* expr;
|
||||
string str_label;
|
||||
DataDeclNode(ExprNode* e) : expr(e) {}
|
||||
~DataDeclNode(){ delete expr; }
|
||||
~DataDeclNode()
|
||||
{
|
||||
delete expr;
|
||||
}
|
||||
void proto(DeclSeq* d, Environ* e);
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
@@ -82,7 +111,10 @@ struct VectorDeclNode : public DeclNode{
|
||||
int kind;
|
||||
VectorType* sem_type;
|
||||
VectorDeclNode(const string& i, const string& t, ExprSeqNode* e, int k) : ident(i), tag(t), exprs(e), kind(k) {}
|
||||
~VectorDeclNode(){ delete exprs; }
|
||||
~VectorDeclNode()
|
||||
{
|
||||
delete exprs;
|
||||
}
|
||||
void proto(DeclSeq* d, Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
|
||||
+48
-25
@@ -1,67 +1,90 @@
|
||||
|
||||
#include "std.hpp"
|
||||
#include "environ.hpp"
|
||||
#include "std.hpp"
|
||||
|
||||
Environ::Environ( const string &f,Type *r,int l,Environ *gs )
|
||||
:funcLabel(f),returnType(r),level(l),globals(gs){
|
||||
Environ::Environ(const string& f, Type* r, int l, Environ* gs) : funcLabel(f), returnType(r), level(l), globals(gs)
|
||||
{
|
||||
decls = new DeclSeq();
|
||||
typeDecls = new DeclSeq();
|
||||
funcDecls = new DeclSeq();
|
||||
if( globals ) globals->children.push_back( this );
|
||||
if (globals)
|
||||
globals->children.push_back(this);
|
||||
}
|
||||
|
||||
Environ::~Environ(){
|
||||
if( globals ) globals->children.remove( this );
|
||||
while( children.size() ) delete children.back();
|
||||
for( ;labels.size();labels.pop_back() ) delete labels.back();
|
||||
Environ::~Environ()
|
||||
{
|
||||
if (globals)
|
||||
globals->children.remove(this);
|
||||
while (children.size())
|
||||
delete children.back();
|
||||
for (; labels.size(); labels.pop_back())
|
||||
delete labels.back();
|
||||
|
||||
//delete all types
|
||||
delete decls;
|
||||
delete funcDecls;
|
||||
delete typeDecls;
|
||||
|
||||
for( int k=0;k<types.size();++k ) delete types[k];
|
||||
for (int k = 0; k < types.size(); ++k)
|
||||
delete types[k];
|
||||
}
|
||||
|
||||
Decl *Environ::findDecl( const string &s ){
|
||||
Decl* Environ::findDecl(const string& s)
|
||||
{
|
||||
for (Environ* e = this; e; e = e->globals) {
|
||||
if (Decl* d = e->decls->findDecl(s)) {
|
||||
if (d->kind & (DECL_LOCAL | DECL_PARAM)) {
|
||||
if( e==this ) return d;
|
||||
}else return d;
|
||||
if (e == this)
|
||||
return d;
|
||||
} else
|
||||
return d;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
Decl *Environ::findFunc( const string &s ){
|
||||
Decl* Environ::findFunc(const string& s)
|
||||
{
|
||||
for (Environ* e = this; e; e = e->globals) {
|
||||
if( Decl *d=e->funcDecls->findDecl( s ) ) return d;
|
||||
if (Decl* d = e->funcDecls->findDecl(s))
|
||||
return d;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
Type *Environ::findType( const string &s ){
|
||||
if( s=="%" ) return Type::int_type;
|
||||
if( s=="#" ) return Type::float_type;
|
||||
if( s=="$" ) return Type::string_type;
|
||||
Type* Environ::findType(const string& s)
|
||||
{
|
||||
if (s == "%")
|
||||
return Type::int_type;
|
||||
if (s == "#")
|
||||
return Type::float_type;
|
||||
if (s == "$")
|
||||
return Type::string_type;
|
||||
for (Environ* e = this; e; e = e->globals) {
|
||||
if( Decl *d=e->typeDecls->findDecl( s ) ) return d->type->structType();
|
||||
if (Decl* d = e->typeDecls->findDecl(s))
|
||||
return d->type->structType();
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
Label *Environ::findLabel( const string &s ){
|
||||
for( int k=0;k<labels.size();++k ) if( labels[k]->name==s ) return labels[k];
|
||||
Label* Environ::findLabel(const string& s)
|
||||
{
|
||||
for (int k = 0; k < labels.size(); ++k)
|
||||
if (labels[k]->name == s)
|
||||
return labels[k];
|
||||
return 0;
|
||||
}
|
||||
|
||||
Label *Environ::insertLabel( const string &s,int def,int src,int sz ){
|
||||
Label* Environ::insertLabel(const string& s, int def, int src, int sz)
|
||||
{
|
||||
Label* l = new Label(s, def, src, sz);
|
||||
labels.push_back( l );return l;
|
||||
labels.push_back(l);
|
||||
return l;
|
||||
}
|
||||
|
||||
string Environ::setBreak( const string &s ){
|
||||
string Environ::setBreak(const string& s)
|
||||
{
|
||||
string t = breakLabel;
|
||||
breakLabel=s;return t;
|
||||
breakLabel = s;
|
||||
return t;
|
||||
}
|
||||
|
||||
@@ -8,9 +8,9 @@
|
||||
#ifndef ENVIRON_H
|
||||
#define ENVIRON_H
|
||||
|
||||
#include "type.hpp"
|
||||
#include "decl.hpp"
|
||||
#include "label.hpp"
|
||||
#include "type.hpp"
|
||||
|
||||
class Environ {
|
||||
public:
|
||||
|
||||
+364
-148
@@ -1,14 +1,15 @@
|
||||
|
||||
#include "std.hpp"
|
||||
#include "nodes.hpp"
|
||||
#include "std.hpp"
|
||||
|
||||
#include <math.h>
|
||||
#include <float.h>
|
||||
#include <math.h>
|
||||
|
||||
//////////////////////////////////
|
||||
// Cast an expression to a type //
|
||||
//////////////////////////////////
|
||||
ExprNode *ExprNode::castTo(Type *ty, Environ *e) {
|
||||
ExprNode* ExprNode::castTo(Type* ty, Environ* e)
|
||||
{
|
||||
if (!sem_type->canCastTo(ty)) {
|
||||
ex("Illegal type conversion");
|
||||
}
|
||||
@@ -18,16 +19,20 @@ ExprNode *ExprNode::castTo(Type *ty, Environ *e) {
|
||||
return cast;
|
||||
}
|
||||
|
||||
ExprNode *CastNode::semant(Environ *e) {
|
||||
ExprNode* CastNode::semant(Environ* e)
|
||||
{
|
||||
if (!expr->sem_type) {
|
||||
expr = expr->semant(e);
|
||||
}
|
||||
|
||||
if (ConstNode* c = expr->constNode()) {
|
||||
ExprNode* e;
|
||||
if (type == Type::int_type) e = new IntConstNode(c->intValue());
|
||||
else if (type == Type::float_type) e = new FloatConstNode(c->floatValue());
|
||||
else e = new StringConstNode(c->stringValue());
|
||||
if (type == Type::int_type)
|
||||
e = new IntConstNode(c->intValue());
|
||||
else if (type == Type::float_type)
|
||||
e = new FloatConstNode(c->floatValue());
|
||||
else
|
||||
e = new StringConstNode(c->stringValue());
|
||||
delete this;
|
||||
return e;
|
||||
}
|
||||
@@ -39,7 +44,8 @@ ExprNode *CastNode::semant(Environ *e) {
|
||||
//////////////////////////////////
|
||||
// Cast an expression to a type //
|
||||
//////////////////////////////////
|
||||
TNode *CastNode::translate(Codegen *g) {
|
||||
TNode* CastNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t = expr->translate(g);
|
||||
if (expr->sem_type == Type::float_type && sem_type == Type::int_type) {
|
||||
//float->int
|
||||
@@ -75,16 +81,18 @@ TNode *CastNode::translate(Codegen *g) {
|
||||
/////////////////////////////
|
||||
// Sequence of Expressions //
|
||||
/////////////////////////////
|
||||
void ExprSeqNode::semant(Environ *e) {
|
||||
void ExprSeqNode::semant(Environ* e)
|
||||
{
|
||||
for (int k = 0; k < exprs.size(); ++k) {
|
||||
if (exprs[k]) exprs[k] = exprs[k]->semant(e);
|
||||
if (exprs[k])
|
||||
exprs[k] = exprs[k]->semant(e);
|
||||
}
|
||||
}
|
||||
|
||||
TNode *ExprSeqNode::translate(Codegen *g, bool cfunc) {
|
||||
TNode* ExprSeqNode::translate(Codegen* g, bool cfunc)
|
||||
{
|
||||
TNode *t = 0, *l = 0;
|
||||
for (int k = 0; k < exprs.size(); ++k) {
|
||||
|
||||
TNode* q = exprs[k]->translate(g);
|
||||
|
||||
if (cfunc) {
|
||||
@@ -103,19 +111,22 @@ TNode *ExprSeqNode::translate(Codegen *g, bool cfunc) {
|
||||
p = new TNode(IR_MEM, p, 0);
|
||||
p = new TNode(IR_MOVE, q, p);
|
||||
p = new TNode(IR_SEQ, p, 0);
|
||||
if (l) l->r = p;
|
||||
else t = p;
|
||||
if (l)
|
||||
l->r = p;
|
||||
else
|
||||
t = p;
|
||||
l = p;
|
||||
}
|
||||
return t;
|
||||
}
|
||||
|
||||
void ExprSeqNode::castTo(DeclSeq *decls, Environ *e, bool cfunc) {
|
||||
if (exprs.size() > decls->size()) ex("Too many parameters");
|
||||
void ExprSeqNode::castTo(DeclSeq* decls, Environ* e, bool cfunc)
|
||||
{
|
||||
if (exprs.size() > decls->size())
|
||||
ex("Too many parameters");
|
||||
for (int k = 0; k < decls->size(); ++k) {
|
||||
Decl* d = decls->decls[k];
|
||||
if (k < exprs.size() && exprs[k]) {
|
||||
|
||||
if (cfunc && d->type->structType()) {
|
||||
if (exprs[k]->sem_type->structType()) {
|
||||
} else if (exprs[k]->sem_type->intType()) {
|
||||
@@ -129,15 +140,19 @@ void ExprSeqNode::castTo(DeclSeq *decls, Environ *e, bool cfunc) {
|
||||
exprs[k] = exprs[k]->castTo(d->type, e);
|
||||
|
||||
} else {
|
||||
if (!d->defType) ex("Not enough parameters");
|
||||
if (!d->defType)
|
||||
ex("Not enough parameters");
|
||||
ExprNode* expr = constValue(d->defType);
|
||||
if (k < exprs.size()) exprs[k] = expr;
|
||||
else exprs.push_back(expr);
|
||||
if (k < exprs.size())
|
||||
exprs[k] = expr;
|
||||
else
|
||||
exprs.push_back(expr);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void ExprSeqNode::castTo(Type *t, Environ *e) {
|
||||
void ExprSeqNode::castTo(Type* t, Environ* e)
|
||||
{
|
||||
for (int k = 0; k < exprs.size(); ++k) {
|
||||
exprs[k] = exprs[k]->castTo(t, e);
|
||||
}
|
||||
@@ -146,20 +161,23 @@ void ExprSeqNode::castTo(Type *t, Environ *e) {
|
||||
///////////////////
|
||||
// Function call //
|
||||
///////////////////
|
||||
ExprNode *CallNode::semant(Environ *e) {
|
||||
ExprNode* CallNode::semant(Environ* e)
|
||||
{
|
||||
Type* t = e->findType(tag);
|
||||
sem_decl = e->findFunc(ident);
|
||||
if (!sem_decl || !(sem_decl->kind & DECL_FUNC)) ex("Function '" + ident + "' not found");
|
||||
if (!sem_decl || !(sem_decl->kind & DECL_FUNC))
|
||||
ex("Function '" + ident + "' not found");
|
||||
FuncType* f = sem_decl->type->funcType();
|
||||
if (t && f->returnType != t) ex("incorrect function return type");
|
||||
if (t && f->returnType != t)
|
||||
ex("incorrect function return type");
|
||||
exprs->semant(e);
|
||||
exprs->castTo(f->params, e, f->cfunc);
|
||||
sem_type = f->returnType;
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *CallNode::translate(Codegen *g) {
|
||||
|
||||
TNode* CallNode::translate(Codegen* g)
|
||||
{
|
||||
FuncType* f = sem_decl->type->funcType();
|
||||
|
||||
TNode* t;
|
||||
@@ -188,57 +206,71 @@ TNode *CallNode::translate(Codegen *g) {
|
||||
/////////////////////////
|
||||
// Variable expression //
|
||||
/////////////////////////
|
||||
ExprNode *VarExprNode::semant(Environ *e) {
|
||||
ExprNode* VarExprNode::semant(Environ* e)
|
||||
{
|
||||
var->semant(e);
|
||||
sem_type = var->sem_type;
|
||||
ConstType* c = sem_type->constType();
|
||||
if (!c) return this;
|
||||
if (!c)
|
||||
return this;
|
||||
ExprNode* expr = constValue(c);
|
||||
delete this; return expr;
|
||||
delete this;
|
||||
return expr;
|
||||
}
|
||||
|
||||
TNode *VarExprNode::translate(Codegen *g) {
|
||||
TNode* VarExprNode::translate(Codegen* g)
|
||||
{
|
||||
return var->load(g);
|
||||
}
|
||||
|
||||
//////////////////////
|
||||
// Integer constant //
|
||||
//////////////////////
|
||||
IntConstNode::IntConstNode(int n) :value(n) {
|
||||
IntConstNode::IntConstNode(int n) : value(n)
|
||||
{
|
||||
sem_type = Type::int_type;
|
||||
}
|
||||
|
||||
TNode *IntConstNode::translate(Codegen *g) {
|
||||
TNode* IntConstNode::translate(Codegen* g)
|
||||
{
|
||||
return new TNode(IR_CONST, 0, 0, value);
|
||||
}
|
||||
|
||||
int IntConstNode::intValue() {
|
||||
int IntConstNode::intValue()
|
||||
{
|
||||
return value;
|
||||
}
|
||||
|
||||
float IntConstNode::floatValue() {
|
||||
float IntConstNode::floatValue()
|
||||
{
|
||||
return value;
|
||||
}
|
||||
|
||||
string IntConstNode::stringValue() {
|
||||
string IntConstNode::stringValue()
|
||||
{
|
||||
return itoa(value);
|
||||
}
|
||||
|
||||
////////////////////
|
||||
// Float constant //
|
||||
////////////////////
|
||||
FloatConstNode::FloatConstNode(float f) :value(f) {
|
||||
FloatConstNode::FloatConstNode(float f) : value(f)
|
||||
{
|
||||
sem_type = Type::float_type;
|
||||
}
|
||||
|
||||
TNode *FloatConstNode::translate(Codegen *g) {
|
||||
TNode* FloatConstNode::translate(Codegen* g)
|
||||
{
|
||||
return new TNode(IR_CONST, 0, 0, *(int*)&value);
|
||||
}
|
||||
|
||||
int FloatConstNode::intValue() {
|
||||
int FloatConstNode::intValue()
|
||||
{
|
||||
float flt = value;
|
||||
int temp;
|
||||
_control87(_RC_NEAR | _PC_24 | _EM_INVALID | _EM_ZERODIVIDE | _EM_OVERFLOW | _EM_UNDERFLOW | _EM_INEXACT | _EM_DENORMAL, 0xfffff);
|
||||
_control87(_RC_NEAR | _PC_24 | _EM_INVALID | _EM_ZERODIVIDE | _EM_OVERFLOW | _EM_UNDERFLOW | _EM_INEXACT
|
||||
| _EM_DENORMAL,
|
||||
0xfffff);
|
||||
_asm {
|
||||
fld[flt];
|
||||
fistp[temp];
|
||||
@@ -247,61 +279,86 @@ int FloatConstNode::intValue() {
|
||||
return temp;
|
||||
}
|
||||
|
||||
float FloatConstNode::floatValue() {
|
||||
float FloatConstNode::floatValue()
|
||||
{
|
||||
return value;
|
||||
}
|
||||
|
||||
string FloatConstNode::stringValue() {
|
||||
string FloatConstNode::stringValue()
|
||||
{
|
||||
return ftoa(value);
|
||||
}
|
||||
|
||||
/////////////////////
|
||||
// String constant //
|
||||
/////////////////////
|
||||
StringConstNode::StringConstNode(const string &s) :value(s) {
|
||||
StringConstNode::StringConstNode(const string& s) : value(s)
|
||||
{
|
||||
sem_type = Type::string_type;
|
||||
}
|
||||
|
||||
TNode *StringConstNode::translate(Codegen *g) {
|
||||
TNode* StringConstNode::translate(Codegen* g)
|
||||
{
|
||||
string lab = genLabel();
|
||||
g->s_data(value, lab);
|
||||
return call("__bbStrConst", global(lab));
|
||||
}
|
||||
|
||||
int StringConstNode::intValue() {
|
||||
int StringConstNode::intValue()
|
||||
{
|
||||
return atoi(value);
|
||||
}
|
||||
|
||||
float StringConstNode::floatValue() {
|
||||
float StringConstNode::floatValue()
|
||||
{
|
||||
return (float)atof(value);
|
||||
}
|
||||
|
||||
string StringConstNode::stringValue() {
|
||||
string StringConstNode::stringValue()
|
||||
{
|
||||
return value;
|
||||
}
|
||||
|
||||
////////////////////
|
||||
// Unary operator //
|
||||
////////////////////
|
||||
ExprNode *UniExprNode::semant(Environ *e) {
|
||||
ExprNode* UniExprNode::semant(Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
sem_type = expr->sem_type;
|
||||
if (sem_type != Type::int_type && sem_type != Type::float_type) ex("Illegal operator for type");
|
||||
if (sem_type != Type::int_type && sem_type != Type::float_type)
|
||||
ex("Illegal operator for type");
|
||||
if (ConstNode* c = expr->constNode()) {
|
||||
ExprNode* e;
|
||||
if (sem_type == Type::int_type) {
|
||||
switch (op) {
|
||||
case '+':e = new IntConstNode(+c->intValue()); break;
|
||||
case '-':e = new IntConstNode(-c->intValue()); break;
|
||||
case ABS:e = new IntConstNode(c->intValue() >= 0 ? c->intValue() : -c->intValue()); break;
|
||||
case SGN:e = new IntConstNode(c->intValue() > 0 ? 1 : (c->intValue() < 0 ? -1 : 0)); break;
|
||||
case '+':
|
||||
e = new IntConstNode(+c->intValue());
|
||||
break;
|
||||
case '-':
|
||||
e = new IntConstNode(-c->intValue());
|
||||
break;
|
||||
case ABS:
|
||||
e = new IntConstNode(c->intValue() >= 0 ? c->intValue() : -c->intValue());
|
||||
break;
|
||||
case SGN:
|
||||
e = new IntConstNode(c->intValue() > 0 ? 1 : (c->intValue() < 0 ? -1 : 0));
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
switch (op) {
|
||||
case '+':e = new FloatConstNode(+c->floatValue()); break;
|
||||
case '-':e = new FloatConstNode(-c->floatValue()); break;
|
||||
case ABS:e = new FloatConstNode(c->floatValue() >= 0 ? c->floatValue() : -c->floatValue()); break;
|
||||
case SGN:e = new FloatConstNode(c->floatValue() > 0 ? 1 : (c->floatValue() < 0 ? -1 : 0)); break;
|
||||
case '+':
|
||||
e = new FloatConstNode(+c->floatValue());
|
||||
break;
|
||||
case '-':
|
||||
e = new FloatConstNode(-c->floatValue());
|
||||
break;
|
||||
case ABS:
|
||||
e = new FloatConstNode(c->floatValue() >= 0 ? c->floatValue() : -c->floatValue());
|
||||
break;
|
||||
case SGN:
|
||||
e = new FloatConstNode(c->floatValue() > 0 ? 1 : (c->floatValue() < 0 ? -1 : 0));
|
||||
break;
|
||||
}
|
||||
}
|
||||
delete this;
|
||||
@@ -310,22 +367,33 @@ ExprNode *UniExprNode::semant(Environ *e) {
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *UniExprNode::translate(Codegen *g) {
|
||||
TNode* UniExprNode::translate(Codegen* g)
|
||||
{
|
||||
int n = 0;
|
||||
TNode* l = expr->translate(g);
|
||||
if (sem_type == Type::int_type) {
|
||||
switch (op) {
|
||||
case '+':return l;
|
||||
case '-':n = IR_NEG; break;
|
||||
case ABS:return call("__bbAbs", l);
|
||||
case SGN:return call("__bbSgn", l);
|
||||
case '+':
|
||||
return l;
|
||||
case '-':
|
||||
n = IR_NEG;
|
||||
break;
|
||||
case ABS:
|
||||
return call("__bbAbs", l);
|
||||
case SGN:
|
||||
return call("__bbSgn", l);
|
||||
}
|
||||
} else {
|
||||
switch (op) {
|
||||
case '+':return l;
|
||||
case '-':n = IR_FNEG; break;
|
||||
case ABS:return fcall("__bbFAbs", l);
|
||||
case SGN:return fcall("__bbFSgn", l);
|
||||
case '+':
|
||||
return l;
|
||||
case '-':
|
||||
n = IR_FNEG;
|
||||
break;
|
||||
case ABS:
|
||||
return fcall("__bbFAbs", l);
|
||||
case SGN:
|
||||
return fcall("__bbFSgn", l);
|
||||
}
|
||||
}
|
||||
return new TNode(n, l, 0);
|
||||
@@ -334,19 +402,34 @@ TNode *UniExprNode::translate(Codegen *g) {
|
||||
/////////////////////////////////////////////////////
|
||||
// boolean expression - accepts ints, returns ints //
|
||||
/////////////////////////////////////////////////////
|
||||
ExprNode *BinExprNode::semant(Environ *e) {
|
||||
lhs = lhs->semant(e); lhs = lhs->castTo(Type::int_type, e);
|
||||
rhs = rhs->semant(e); rhs = rhs->castTo(Type::int_type, e);
|
||||
ExprNode* BinExprNode::semant(Environ* e)
|
||||
{
|
||||
lhs = lhs->semant(e);
|
||||
lhs = lhs->castTo(Type::int_type, e);
|
||||
rhs = rhs->semant(e);
|
||||
rhs = rhs->castTo(Type::int_type, e);
|
||||
ConstNode *lc = lhs->constNode(), *rc = rhs->constNode();
|
||||
if (lc && rc) {
|
||||
ExprNode* expr = nullptr;
|
||||
switch (op) {
|
||||
case AND:expr = new IntConstNode(lc->intValue() & rc->intValue()); break;
|
||||
case OR: expr = new IntConstNode(lc->intValue() | rc->intValue()); break;
|
||||
case XOR:expr = new IntConstNode(lc->intValue() ^ rc->intValue()); break;
|
||||
case SHL:expr = new IntConstNode(lc->intValue() << rc->intValue()); break;
|
||||
case SHR:expr = new IntConstNode((unsigned)lc->intValue() >> rc->intValue()); break;
|
||||
case SAR:expr = new IntConstNode(lc->intValue() >> rc->intValue()); break;
|
||||
case AND:
|
||||
expr = new IntConstNode(lc->intValue() & rc->intValue());
|
||||
break;
|
||||
case OR:
|
||||
expr = new IntConstNode(lc->intValue() | rc->intValue());
|
||||
break;
|
||||
case XOR:
|
||||
expr = new IntConstNode(lc->intValue() ^ rc->intValue());
|
||||
break;
|
||||
case SHL:
|
||||
expr = new IntConstNode(lc->intValue() << rc->intValue());
|
||||
break;
|
||||
case SHR:
|
||||
expr = new IntConstNode((unsigned)lc->intValue() >> rc->intValue());
|
||||
break;
|
||||
case SAR:
|
||||
expr = new IntConstNode(lc->intValue() >> rc->intValue());
|
||||
break;
|
||||
}
|
||||
delete this;
|
||||
return expr;
|
||||
@@ -355,13 +438,30 @@ ExprNode *BinExprNode::semant(Environ *e) {
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *BinExprNode::translate(Codegen *g) {
|
||||
TNode* BinExprNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* l = lhs->translate(g);
|
||||
TNode* r = rhs->translate(g);
|
||||
int n = 0;
|
||||
switch (op) {
|
||||
case AND:n = IR_AND; break; case OR:n = IR_OR; break; case XOR:n = IR_XOR; break;
|
||||
case SHL:n = IR_SHL; break; case SHR:n = IR_SHR; break; case SAR:n = IR_SAR; break;
|
||||
case AND:
|
||||
n = IR_AND;
|
||||
break;
|
||||
case OR:
|
||||
n = IR_OR;
|
||||
break;
|
||||
case XOR:
|
||||
n = IR_XOR;
|
||||
break;
|
||||
case SHL:
|
||||
n = IR_SHL;
|
||||
break;
|
||||
case SHR:
|
||||
n = IR_SHR;
|
||||
break;
|
||||
case SAR:
|
||||
n = IR_SAR;
|
||||
break;
|
||||
}
|
||||
return new TNode(n, l, r);
|
||||
}
|
||||
@@ -369,7 +469,8 @@ TNode *BinExprNode::translate(Codegen *g) {
|
||||
///////////////////////////
|
||||
// arithmetic expression //
|
||||
///////////////////////////
|
||||
ExprNode *ArithExprNode::semant(Environ *e) {
|
||||
ExprNode* ArithExprNode::semant(Environ* e)
|
||||
{
|
||||
lhs = lhs->semant(e);
|
||||
rhs = rhs->semant(e);
|
||||
if (lhs->sem_type->structType() || rhs->sem_type->structType()) {
|
||||
@@ -377,7 +478,8 @@ ExprNode *ArithExprNode::semant(Environ *e) {
|
||||
}
|
||||
if (lhs->sem_type == Type::string_type || rhs->sem_type == Type::string_type) {
|
||||
//one side is a string - only + operator...
|
||||
if (op != '+') ex("Operator cannot be applied to strings");
|
||||
if (op != '+')
|
||||
ex("Operator cannot be applied to strings");
|
||||
sem_type = Type::string_type;
|
||||
} else if (op == '^' || lhs->sem_type == Type::float_type || rhs->sem_type == Type::float_type) {
|
||||
//It's ^, or one side is a float
|
||||
@@ -400,20 +502,42 @@ ExprNode *ArithExprNode::semant(Environ *e) {
|
||||
expr = new StringConstNode(lc->stringValue() + rc->stringValue());
|
||||
} else if (sem_type == Type::int_type) {
|
||||
switch (op) {
|
||||
case '+':expr = new IntConstNode(lc->intValue() + rc->intValue()); break;
|
||||
case '-':expr = new IntConstNode(lc->intValue() - rc->intValue()); break;
|
||||
case '*':expr = new IntConstNode(lc->intValue()*rc->intValue()); break;
|
||||
case '/':expr = new IntConstNode(lc->intValue() / rc->intValue()); break;
|
||||
case MOD:expr = new IntConstNode(lc->intValue() % rc->intValue()); break;
|
||||
case '+':
|
||||
expr = new IntConstNode(lc->intValue() + rc->intValue());
|
||||
break;
|
||||
case '-':
|
||||
expr = new IntConstNode(lc->intValue() - rc->intValue());
|
||||
break;
|
||||
case '*':
|
||||
expr = new IntConstNode(lc->intValue() * rc->intValue());
|
||||
break;
|
||||
case '/':
|
||||
expr = new IntConstNode(lc->intValue() / rc->intValue());
|
||||
break;
|
||||
case MOD:
|
||||
expr = new IntConstNode(lc->intValue() % rc->intValue());
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
switch (op) {
|
||||
case '+':expr = new FloatConstNode(lc->floatValue() + rc->floatValue()); break;
|
||||
case '-':expr = new FloatConstNode(lc->floatValue() - rc->floatValue()); break;
|
||||
case '*':expr = new FloatConstNode(lc->floatValue()*rc->floatValue()); break;
|
||||
case '/':expr = new FloatConstNode(lc->floatValue() / rc->floatValue()); break;
|
||||
case MOD:expr = new FloatConstNode(fmod(lc->floatValue(), rc->floatValue())); break;
|
||||
case '^':expr = new FloatConstNode(pow(lc->floatValue(), rc->floatValue())); break;
|
||||
case '+':
|
||||
expr = new FloatConstNode(lc->floatValue() + rc->floatValue());
|
||||
break;
|
||||
case '-':
|
||||
expr = new FloatConstNode(lc->floatValue() - rc->floatValue());
|
||||
break;
|
||||
case '*':
|
||||
expr = new FloatConstNode(lc->floatValue() * rc->floatValue());
|
||||
break;
|
||||
case '/':
|
||||
expr = new FloatConstNode(lc->floatValue() / rc->floatValue());
|
||||
break;
|
||||
case MOD:
|
||||
expr = new FloatConstNode(fmod(lc->floatValue(), rc->floatValue()));
|
||||
break;
|
||||
case '^':
|
||||
expr = new FloatConstNode(pow(lc->floatValue(), rc->floatValue()));
|
||||
break;
|
||||
}
|
||||
}
|
||||
delete this;
|
||||
@@ -422,7 +546,8 @@ ExprNode *ArithExprNode::semant(Environ *e) {
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *ArithExprNode::translate(Codegen *g) {
|
||||
TNode* ArithExprNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* l = lhs->translate(g);
|
||||
TNode* r = rhs->translate(g);
|
||||
if (sem_type == Type::string_type) {
|
||||
@@ -431,16 +556,39 @@ TNode *ArithExprNode::translate(Codegen *g) {
|
||||
int n = 0;
|
||||
if (sem_type == Type::int_type) {
|
||||
switch (op) {
|
||||
case '+':n = IR_ADD; break; case '-':n = IR_SUB; break;
|
||||
case '*':n = IR_MUL; break; case '/':n = IR_DIV; break;
|
||||
case MOD:return call("__bbMod", l, r);
|
||||
case '+':
|
||||
n = IR_ADD;
|
||||
break;
|
||||
case '-':
|
||||
n = IR_SUB;
|
||||
break;
|
||||
case '*':
|
||||
n = IR_MUL;
|
||||
break;
|
||||
case '/':
|
||||
n = IR_DIV;
|
||||
break;
|
||||
case MOD:
|
||||
return call("__bbMod", l, r);
|
||||
}
|
||||
} else {
|
||||
switch (op) {
|
||||
case '+':n = IR_FADD; break; case '-':n = IR_FSUB; break;
|
||||
case '*':n = IR_FMUL; break; case '/':n = IR_FDIV; break;
|
||||
case MOD:return fcall("__bbFMod", l, r);
|
||||
case '^':return fcall("__bbFPow", l, r);
|
||||
case '+':
|
||||
n = IR_FADD;
|
||||
break;
|
||||
case '-':
|
||||
n = IR_FSUB;
|
||||
break;
|
||||
case '*':
|
||||
n = IR_FMUL;
|
||||
break;
|
||||
case '/':
|
||||
n = IR_FDIV;
|
||||
break;
|
||||
case MOD:
|
||||
return fcall("__bbFMod", l, r);
|
||||
case '^':
|
||||
return fcall("__bbFPow", l, r);
|
||||
}
|
||||
}
|
||||
return new TNode(n, l, r);
|
||||
@@ -449,11 +597,13 @@ TNode *ArithExprNode::translate(Codegen *g) {
|
||||
/////////////////////////
|
||||
// relation expression //
|
||||
/////////////////////////
|
||||
ExprNode *RelExprNode::semant(Environ *e) {
|
||||
ExprNode* RelExprNode::semant(Environ* e)
|
||||
{
|
||||
lhs = lhs->semant(e);
|
||||
rhs = rhs->semant(e);
|
||||
if (lhs->sem_type->structType() || rhs->sem_type->structType()) {
|
||||
if (op != '=' && op != NE) ex("Illegal operator for custom type objects");
|
||||
if (op != '=' && op != NE)
|
||||
ex("Illegal operator for custom type objects");
|
||||
opType = lhs->sem_type != Type::null_type ? lhs->sem_type : rhs->sem_type;
|
||||
} else if (lhs->sem_type == Type::string_type || rhs->sem_type == Type::string_type) {
|
||||
opType = Type::string_type;
|
||||
@@ -470,30 +620,66 @@ ExprNode *RelExprNode::semant(Environ *e) {
|
||||
ExprNode* expr = nullptr;
|
||||
if (opType == Type::string_type) {
|
||||
switch (op) {
|
||||
case '<':expr = new IntConstNode(lc->stringValue() < rc->stringValue()); break;
|
||||
case '=':expr = new IntConstNode(lc->stringValue() == rc->stringValue()); break;
|
||||
case '>':expr = new IntConstNode(lc->stringValue() > rc->stringValue()); break;
|
||||
case LE: expr = new IntConstNode(lc->stringValue() <= rc->stringValue()); break;
|
||||
case NE: expr = new IntConstNode(lc->stringValue() != rc->stringValue()); break;
|
||||
case GE: expr = new IntConstNode(lc->stringValue() >= rc->stringValue()); break;
|
||||
case '<':
|
||||
expr = new IntConstNode(lc->stringValue() < rc->stringValue());
|
||||
break;
|
||||
case '=':
|
||||
expr = new IntConstNode(lc->stringValue() == rc->stringValue());
|
||||
break;
|
||||
case '>':
|
||||
expr = new IntConstNode(lc->stringValue() > rc->stringValue());
|
||||
break;
|
||||
case LE:
|
||||
expr = new IntConstNode(lc->stringValue() <= rc->stringValue());
|
||||
break;
|
||||
case NE:
|
||||
expr = new IntConstNode(lc->stringValue() != rc->stringValue());
|
||||
break;
|
||||
case GE:
|
||||
expr = new IntConstNode(lc->stringValue() >= rc->stringValue());
|
||||
break;
|
||||
}
|
||||
} else if (opType == Type::float_type) {
|
||||
switch (op) {
|
||||
case '<':expr = new IntConstNode(lc->floatValue() < rc->floatValue()); break;
|
||||
case '=':expr = new IntConstNode(lc->floatValue() == rc->floatValue()); break;
|
||||
case '>':expr = new IntConstNode(lc->floatValue() > rc->floatValue()); break;
|
||||
case LE: expr = new IntConstNode(lc->floatValue() <= rc->floatValue()); break;
|
||||
case NE: expr = new IntConstNode(lc->floatValue() != rc->floatValue()); break;
|
||||
case GE: expr = new IntConstNode(lc->floatValue() >= rc->floatValue()); break;
|
||||
case '<':
|
||||
expr = new IntConstNode(lc->floatValue() < rc->floatValue());
|
||||
break;
|
||||
case '=':
|
||||
expr = new IntConstNode(lc->floatValue() == rc->floatValue());
|
||||
break;
|
||||
case '>':
|
||||
expr = new IntConstNode(lc->floatValue() > rc->floatValue());
|
||||
break;
|
||||
case LE:
|
||||
expr = new IntConstNode(lc->floatValue() <= rc->floatValue());
|
||||
break;
|
||||
case NE:
|
||||
expr = new IntConstNode(lc->floatValue() != rc->floatValue());
|
||||
break;
|
||||
case GE:
|
||||
expr = new IntConstNode(lc->floatValue() >= rc->floatValue());
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
switch (op) {
|
||||
case '<':expr = new IntConstNode(lc->intValue() < rc->intValue()); break;
|
||||
case '=':expr = new IntConstNode(lc->intValue() == rc->intValue()); break;
|
||||
case '>':expr = new IntConstNode(lc->intValue() > rc->intValue()); break;
|
||||
case LE: expr = new IntConstNode(lc->intValue() <= rc->intValue()); break;
|
||||
case NE: expr = new IntConstNode(lc->intValue() != rc->intValue()); break;
|
||||
case GE: expr = new IntConstNode(lc->intValue() >= rc->intValue()); break;
|
||||
case '<':
|
||||
expr = new IntConstNode(lc->intValue() < rc->intValue());
|
||||
break;
|
||||
case '=':
|
||||
expr = new IntConstNode(lc->intValue() == rc->intValue());
|
||||
break;
|
||||
case '>':
|
||||
expr = new IntConstNode(lc->intValue() > rc->intValue());
|
||||
break;
|
||||
case LE:
|
||||
expr = new IntConstNode(lc->intValue() <= rc->intValue());
|
||||
break;
|
||||
case NE:
|
||||
expr = new IntConstNode(lc->intValue() != rc->intValue());
|
||||
break;
|
||||
case GE:
|
||||
expr = new IntConstNode(lc->intValue() >= rc->intValue());
|
||||
break;
|
||||
}
|
||||
}
|
||||
delete this;
|
||||
@@ -502,7 +688,8 @@ ExprNode *RelExprNode::semant(Environ *e) {
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *RelExprNode::translate(Codegen *g) {
|
||||
TNode* RelExprNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* l = lhs->translate(g);
|
||||
TNode* r = rhs->translate(g);
|
||||
return compare(op, l, r, opType);
|
||||
@@ -511,102 +698,128 @@ TNode *RelExprNode::translate(Codegen *g) {
|
||||
////////////////////
|
||||
// New expression //
|
||||
////////////////////
|
||||
ExprNode *NewNode::semant(Environ *e) {
|
||||
ExprNode* NewNode::semant(Environ* e)
|
||||
{
|
||||
sem_type = e->findType(ident);
|
||||
if (!sem_type) ex("custom type name not found");
|
||||
if (sem_type->structType() == 0) ex("type is not a custom type");
|
||||
if (!sem_type)
|
||||
ex("custom type name not found");
|
||||
if (sem_type->structType() == 0)
|
||||
ex("type is not a custom type");
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *NewNode::translate(Codegen *g) {
|
||||
TNode* NewNode::translate(Codegen* g)
|
||||
{
|
||||
return call("__bbObjNew", global("_t" + ident));
|
||||
}
|
||||
|
||||
////////////////////
|
||||
// First of class //
|
||||
////////////////////
|
||||
ExprNode *FirstNode::semant(Environ *e) {
|
||||
ExprNode* FirstNode::semant(Environ* e)
|
||||
{
|
||||
sem_type = e->findType(ident);
|
||||
if (!sem_type) ex("custom type name name not found");
|
||||
if (!sem_type)
|
||||
ex("custom type name name not found");
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *FirstNode::translate(Codegen *g) {
|
||||
TNode* FirstNode::translate(Codegen* g)
|
||||
{
|
||||
return call("__bbObjFirst", global("_t" + ident));
|
||||
}
|
||||
|
||||
///////////////////
|
||||
// Last of class //
|
||||
///////////////////
|
||||
ExprNode *LastNode::semant(Environ *e) {
|
||||
ExprNode* LastNode::semant(Environ* e)
|
||||
{
|
||||
sem_type = e->findType(ident);
|
||||
if (!sem_type) ex("custom type name not found");
|
||||
if (!sem_type)
|
||||
ex("custom type name not found");
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *LastNode::translate(Codegen *g) {
|
||||
TNode* LastNode::translate(Codegen* g)
|
||||
{
|
||||
return call("__bbObjLast", global("_t" + ident));
|
||||
}
|
||||
|
||||
////////////////////
|
||||
// Next of object //
|
||||
////////////////////
|
||||
ExprNode *AfterNode::semant(Environ *e) {
|
||||
ExprNode* AfterNode::semant(Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
if (expr->sem_type == Type::null_type) ex("'After' cannot be used on 'Null'");
|
||||
if (expr->sem_type->structType() == 0) ex("'After' must be used with a custom type object");
|
||||
if (expr->sem_type == Type::null_type)
|
||||
ex("'After' cannot be used on 'Null'");
|
||||
if (expr->sem_type->structType() == 0)
|
||||
ex("'After' must be used with a custom type object");
|
||||
sem_type = expr->sem_type;
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *AfterNode::translate(Codegen *g) {
|
||||
TNode* AfterNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t = expr->translate(g);
|
||||
if (g->debug) t = jumpf(t, "__bbNullObjEx");
|
||||
if (g->debug)
|
||||
t = jumpf(t, "__bbNullObjEx");
|
||||
return call("__bbObjNext", t);
|
||||
}
|
||||
|
||||
////////////////////
|
||||
// Prev of object //
|
||||
////////////////////
|
||||
ExprNode *BeforeNode::semant(Environ *e) {
|
||||
ExprNode* BeforeNode::semant(Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
if (expr->sem_type == Type::null_type) ex("'Before' cannot be used with 'Null'");
|
||||
if (expr->sem_type->structType() == 0) ex("'Before' must be used with a custom type object");
|
||||
if (expr->sem_type == Type::null_type)
|
||||
ex("'Before' cannot be used with 'Null'");
|
||||
if (expr->sem_type->structType() == 0)
|
||||
ex("'Before' must be used with a custom type object");
|
||||
sem_type = expr->sem_type;
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *BeforeNode::translate(Codegen *g) {
|
||||
TNode* BeforeNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t = expr->translate(g);
|
||||
if (g->debug) t = jumpf(t, "__bbNullObjEx");
|
||||
if (g->debug)
|
||||
t = jumpf(t, "__bbNullObjEx");
|
||||
return call("__bbObjPrev", t);
|
||||
}
|
||||
|
||||
/////////////////
|
||||
// Null object //
|
||||
/////////////////
|
||||
ExprNode *NullNode::semant(Environ *e) {
|
||||
ExprNode* NullNode::semant(Environ* e)
|
||||
{
|
||||
sem_type = Type::null_type;
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *NullNode::translate(Codegen *g) {
|
||||
TNode* NullNode::translate(Codegen* g)
|
||||
{
|
||||
return new TNode(IR_CONST, 0, 0, 0);
|
||||
}
|
||||
|
||||
/////////////////
|
||||
// Object cast //
|
||||
/////////////////
|
||||
ExprNode *ObjectCastNode::semant(Environ *e) {
|
||||
ExprNode* ObjectCastNode::semant(Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
expr = expr->castTo(Type::int_type, e);
|
||||
sem_type = e->findType(type_ident);
|
||||
if (!sem_type) ex("custom type name not found");
|
||||
if (!sem_type->structType()) ex("type is not a custom type");
|
||||
if (!sem_type)
|
||||
ex("custom type name not found");
|
||||
if (!sem_type->structType())
|
||||
ex("type is not a custom type");
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *ObjectCastNode::translate(Codegen *g) {
|
||||
TNode* ObjectCastNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t = expr->translate(g);
|
||||
t = call("__bbObjFromHandle", t, global("_t" + sem_type->structType()->ident));
|
||||
return t;
|
||||
@@ -615,14 +828,17 @@ TNode *ObjectCastNode::translate(Codegen *g) {
|
||||
///////////////////
|
||||
// Object Handle //
|
||||
///////////////////
|
||||
ExprNode *ObjectHandleNode::semant(Environ *e) {
|
||||
ExprNode* ObjectHandleNode::semant(Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
if (!expr->sem_type->structType()) ex("'ObjectHandle' must be used with an object");
|
||||
if (!expr->sem_type->structType())
|
||||
ex("'ObjectHandle' must be used with an object");
|
||||
sem_type = Type::int_type;
|
||||
return this;
|
||||
}
|
||||
|
||||
TNode *ObjectHandleNode::translate(Codegen *g) {
|
||||
TNode* ObjectHandleNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t = expr->translate(g);
|
||||
return call("__bbObjToHandle", t);
|
||||
}
|
||||
|
||||
+80
-21
@@ -16,14 +16,27 @@ struct ExprNode : public Node {
|
||||
|
||||
virtual ExprNode* semant(Environ* e) = 0;
|
||||
virtual TNode* translate(Codegen* g) = 0;
|
||||
virtual ConstNode *constNode() { return 0; }
|
||||
virtual ConstNode* constNode()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
};
|
||||
|
||||
struct ExprSeqNode : public Node {
|
||||
vector<ExprNode*> exprs;
|
||||
~ExprSeqNode() { for (; exprs.size(); exprs.pop_back()) delete exprs.back(); }
|
||||
void push_back(ExprNode *e) { exprs.push_back(e); }
|
||||
int size() { return exprs.size(); }
|
||||
~ExprSeqNode()
|
||||
{
|
||||
for (; exprs.size(); exprs.pop_back())
|
||||
delete exprs.back();
|
||||
}
|
||||
void push_back(ExprNode* e)
|
||||
{
|
||||
exprs.push_back(e);
|
||||
}
|
||||
int size()
|
||||
{
|
||||
return exprs.size();
|
||||
}
|
||||
void semant(Environ* e);
|
||||
TNode* translate(Codegen* g, bool userlib);
|
||||
void castTo(DeclSeq* ds, Environ* e, bool userlib);
|
||||
@@ -36,7 +49,10 @@ struct CastNode : public ExprNode {
|
||||
ExprNode* expr;
|
||||
Type* type;
|
||||
CastNode(ExprNode* ex, Type* ty) : expr(ex), type(ty) {}
|
||||
~CastNode() { delete expr; }
|
||||
~CastNode()
|
||||
{
|
||||
delete expr;
|
||||
}
|
||||
ExprNode* semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
@@ -46,7 +62,10 @@ struct CallNode : public ExprNode {
|
||||
ExprSeqNode* exprs;
|
||||
Decl* sem_decl;
|
||||
CallNode(const string& i, const string& t, ExprSeqNode* e) : ident(i), tag(t), exprs(e) {}
|
||||
~CallNode() { delete exprs; }
|
||||
~CallNode()
|
||||
{
|
||||
delete exprs;
|
||||
}
|
||||
ExprNode* semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
@@ -54,14 +73,23 @@ struct CallNode : public ExprNode {
|
||||
struct VarExprNode : public ExprNode {
|
||||
VarNode* var;
|
||||
VarExprNode(VarNode* v) : var(v) {}
|
||||
~VarExprNode() { delete var; }
|
||||
~VarExprNode()
|
||||
{
|
||||
delete var;
|
||||
}
|
||||
ExprNode* semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
|
||||
struct ConstNode : public ExprNode {
|
||||
ExprNode *semant(Environ *e) { return this; }
|
||||
ConstNode *constNode() { return this; }
|
||||
ExprNode* semant(Environ* e)
|
||||
{
|
||||
return this;
|
||||
}
|
||||
ConstNode* constNode()
|
||||
{
|
||||
return this;
|
||||
}
|
||||
virtual int intValue() = 0;
|
||||
virtual float floatValue() = 0;
|
||||
virtual string stringValue() = 0;
|
||||
@@ -95,9 +123,13 @@ struct StringConstNode : public ConstNode {
|
||||
};
|
||||
|
||||
struct UniExprNode : public ExprNode {
|
||||
int op; ExprNode *expr;
|
||||
int op;
|
||||
ExprNode* expr;
|
||||
UniExprNode(int op, ExprNode* expr) : op(op), expr(expr) {}
|
||||
~UniExprNode() { delete expr; }
|
||||
~UniExprNode()
|
||||
{
|
||||
delete expr;
|
||||
}
|
||||
ExprNode* constize();
|
||||
ExprNode* semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
@@ -105,28 +137,43 @@ struct UniExprNode : public ExprNode {
|
||||
|
||||
// and, or, eor, lsl, lsr, asr
|
||||
struct BinExprNode : public ExprNode {
|
||||
int op; ExprNode *lhs, *rhs;
|
||||
int op;
|
||||
ExprNode *lhs, *rhs;
|
||||
BinExprNode(int op, ExprNode* lhs, ExprNode* rhs) : op(op), lhs(lhs), rhs(rhs) {}
|
||||
~BinExprNode() { delete lhs; delete rhs; }
|
||||
~BinExprNode()
|
||||
{
|
||||
delete lhs;
|
||||
delete rhs;
|
||||
}
|
||||
ExprNode* semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
|
||||
// *,/,Mod,+,-
|
||||
struct ArithExprNode : public ExprNode {
|
||||
int op; ExprNode *lhs, *rhs;
|
||||
int op;
|
||||
ExprNode *lhs, *rhs;
|
||||
ArithExprNode(int op, ExprNode* lhs, ExprNode* rhs) : op(op), lhs(lhs), rhs(rhs) {}
|
||||
~ArithExprNode() { delete lhs; delete rhs; }
|
||||
~ArithExprNode()
|
||||
{
|
||||
delete lhs;
|
||||
delete rhs;
|
||||
}
|
||||
ExprNode* semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
|
||||
//<,=,>,<=,<>,>=
|
||||
struct RelExprNode : public ExprNode {
|
||||
int op; ExprNode *lhs, *rhs;
|
||||
int op;
|
||||
ExprNode *lhs, *rhs;
|
||||
Type* opType;
|
||||
RelExprNode(int op, ExprNode* lhs, ExprNode* rhs) : op(op), lhs(lhs), rhs(rhs) {}
|
||||
~RelExprNode() { delete lhs; delete rhs; }
|
||||
~RelExprNode()
|
||||
{
|
||||
delete lhs;
|
||||
delete rhs;
|
||||
}
|
||||
ExprNode* semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
@@ -155,7 +202,10 @@ struct LastNode : public ExprNode {
|
||||
struct AfterNode : public ExprNode {
|
||||
ExprNode* expr;
|
||||
AfterNode(ExprNode* e) : expr(e) {}
|
||||
~AfterNode() { delete expr; }
|
||||
~AfterNode()
|
||||
{
|
||||
delete expr;
|
||||
}
|
||||
ExprNode* semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
@@ -163,7 +213,10 @@ struct AfterNode : public ExprNode {
|
||||
struct BeforeNode : public ExprNode {
|
||||
ExprNode* expr;
|
||||
BeforeNode(ExprNode* e) : expr(e) {}
|
||||
~BeforeNode() { delete expr; }
|
||||
~BeforeNode()
|
||||
{
|
||||
delete expr;
|
||||
}
|
||||
ExprNode* semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
@@ -177,7 +230,10 @@ struct ObjectCastNode : public ExprNode {
|
||||
ExprNode* expr;
|
||||
string type_ident;
|
||||
ObjectCastNode(ExprNode* e, const string& t) : expr(e), type_ident(t) {}
|
||||
~ObjectCastNode() { delete expr; }
|
||||
~ObjectCastNode()
|
||||
{
|
||||
delete expr;
|
||||
}
|
||||
ExprNode* semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
@@ -185,7 +241,10 @@ struct ObjectCastNode : public ExprNode {
|
||||
struct ObjectHandleNode : public ExprNode {
|
||||
ExprNode* expr;
|
||||
ObjectHandleNode(ExprNode* e) : expr(e) {}
|
||||
~ObjectHandleNode() { delete expr; }
|
||||
~ObjectHandleNode()
|
||||
{
|
||||
delete expr;
|
||||
}
|
||||
ExprNode* semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
|
||||
+121
-50
@@ -1,32 +1,37 @@
|
||||
|
||||
#include "std.hpp"
|
||||
#include "nodes.hpp"
|
||||
#include "std.hpp"
|
||||
|
||||
set<string> Node::usedfuncs;
|
||||
|
||||
///////////////////////////////
|
||||
// generic exception thrower //
|
||||
///////////////////////////////
|
||||
void Node::ex(){
|
||||
void Node::ex()
|
||||
{
|
||||
ex("INTERNAL COMPILER ERROR");
|
||||
}
|
||||
|
||||
void Node::ex( const string &e ){
|
||||
void Node::ex(const string& e)
|
||||
{
|
||||
throw Ex(e, -1, "");
|
||||
}
|
||||
|
||||
void Node::ex( const string &e,int pos ){
|
||||
void Node::ex(const string& e, int pos)
|
||||
{
|
||||
throw Ex(e, pos, "");
|
||||
}
|
||||
|
||||
void Node::ex( const string &e,int pos,const string &f ){
|
||||
void Node::ex(const string& e, int pos, const string& f)
|
||||
{
|
||||
throw Ex(e, pos, f);
|
||||
}
|
||||
|
||||
///////////////////////////////
|
||||
// Generate a local variable //
|
||||
///////////////////////////////
|
||||
VarNode *Node::genLocal( Environ *e,Type *ty ){
|
||||
VarNode* Node::genLocal(Environ* e, Type* ty)
|
||||
{
|
||||
string t = genLabel();
|
||||
Decl* d = e->decls->insertDecl(t, ty, DECL_LOCAL);
|
||||
return new DeclVarNode(d);
|
||||
@@ -35,19 +40,24 @@ VarNode *Node::genLocal( Environ *e,Type *ty ){
|
||||
/////////////////////////////////////////////////
|
||||
// if type is const, return const value else 0 //
|
||||
/////////////////////////////////////////////////
|
||||
ConstNode *Node::constValue( Type *ty ){
|
||||
ConstNode* Node::constValue(Type* ty)
|
||||
{
|
||||
ConstType* c = ty->constType();
|
||||
if( !c ) return 0;
|
||||
if (!c)
|
||||
return 0;
|
||||
ty = c->valueType;
|
||||
if( ty==Type::int_type ) return new IntConstNode( c->intValue );
|
||||
if( ty==Type::float_type ) return new FloatConstNode( c->floatValue );
|
||||
if (ty == Type::int_type)
|
||||
return new IntConstNode(c->intValue);
|
||||
if (ty == Type::float_type)
|
||||
return new FloatConstNode(c->floatValue);
|
||||
return new StringConstNode(c->stringValue);
|
||||
}
|
||||
|
||||
///////////////////////////////////////////////////////
|
||||
// work out var offsets - return size of local frame //
|
||||
///////////////////////////////////////////////////////
|
||||
int Node::enumVars( Environ *e ){
|
||||
int Node::enumVars(Environ* e)
|
||||
{
|
||||
//calc offsets
|
||||
int p_size = 0, l_size = 0;
|
||||
for (int k = 0; k < e->decls->size(); ++k) {
|
||||
@@ -66,15 +76,19 @@ int Node::enumVars( Environ *e ){
|
||||
//////////////////////////////
|
||||
// initialize all vars to 0 //
|
||||
//////////////////////////////
|
||||
TNode *Node::createVars( Environ *e ){
|
||||
TNode* Node::createVars(Environ* e)
|
||||
{
|
||||
int k;
|
||||
TNode* t = 0;
|
||||
//initialize locals
|
||||
for (k = 0; k < e->decls->size(); ++k) {
|
||||
Decl* d = e->decls->decls[k];
|
||||
if( d->kind!=DECL_LOCAL ) continue;
|
||||
if( d->type->vectorType() ) continue;
|
||||
if( !t ) t=new TNode( IR_CONST,0,0,0 );
|
||||
if (d->kind != DECL_LOCAL)
|
||||
continue;
|
||||
if (d->type->vectorType())
|
||||
continue;
|
||||
if (!t)
|
||||
t = new TNode(IR_CONST, 0, 0, 0);
|
||||
TNode* p = new TNode(IR_LOCAL, 0, 0, d->offset);
|
||||
p = new TNode(IR_MEM, p, 0);
|
||||
t = new TNode(IR_MOVE, t, p);
|
||||
@@ -82,14 +96,18 @@ TNode *Node::createVars( Environ *e ){
|
||||
//initialize vectors
|
||||
for (k = 0; k < e->decls->size(); ++k) {
|
||||
Decl* d = e->decls->decls[k];
|
||||
if( d->kind==DECL_PARAM ) continue;
|
||||
if (d->kind == DECL_PARAM)
|
||||
continue;
|
||||
VectorType* v = d->type->vectorType();
|
||||
if( !v ) continue;
|
||||
if (!v)
|
||||
continue;
|
||||
TNode* p = call("__bbVecAlloc", global(v->label));
|
||||
TNode* m = d->kind == DECL_GLOBAL ? global("_v" + d->name) : local(d->offset);
|
||||
p = move(p, mem(m));
|
||||
if( t ) t=seq( t,p );
|
||||
else t=p;
|
||||
if (t)
|
||||
t = seq(t, p);
|
||||
else
|
||||
t = p;
|
||||
}
|
||||
return t;
|
||||
}
|
||||
@@ -97,7 +115,8 @@ TNode *Node::createVars( Environ *e ){
|
||||
////////////////////////
|
||||
// release local vars //
|
||||
////////////////////////
|
||||
TNode *Node::deleteVars( Environ *e ){
|
||||
TNode* Node::deleteVars(Environ* e)
|
||||
{
|
||||
TNode *t = 0, *l = 0, *p, *p1 = nullptr, *p2 = nullptr;
|
||||
for (int k = 0; k < e->decls->size(); ++k) {
|
||||
Decl* d = e->decls->decls[k];
|
||||
@@ -122,7 +141,8 @@ TNode *Node::deleteVars( Environ *e ){
|
||||
p2 = global(v->label);
|
||||
}
|
||||
}
|
||||
if( !func.size() ) continue;
|
||||
if (!func.size())
|
||||
continue;
|
||||
p = new TNode(IR_SEQ, call(func, p1, p2), 0);
|
||||
(l ? l->r : t) = p;
|
||||
l = p;
|
||||
@@ -133,19 +153,50 @@ TNode *Node::deleteVars( Environ *e ){
|
||||
//////////////////////////////////////////////////////////////
|
||||
// compare 2 translated operands - return 1 if true, else 0 //
|
||||
//////////////////////////////////////////////////////////////
|
||||
TNode *Node::compare( int op,TNode *l,TNode *r,Type *ty ){
|
||||
TNode* Node::compare(int op, TNode* l, TNode* r, Type* ty)
|
||||
{
|
||||
int n = 0;
|
||||
if (ty == Type::float_type) {
|
||||
switch (op) {
|
||||
case '=':n=IR_FSETEQ;break;case NE :n=IR_FSETNE;break;
|
||||
case '<':n=IR_FSETLT;break;case '>':n=IR_FSETGT;break;
|
||||
case LE :n=IR_FSETLE;break;case GE :n=IR_FSETGE;break;
|
||||
case '=':
|
||||
n = IR_FSETEQ;
|
||||
break;
|
||||
case NE:
|
||||
n = IR_FSETNE;
|
||||
break;
|
||||
case '<':
|
||||
n = IR_FSETLT;
|
||||
break;
|
||||
case '>':
|
||||
n = IR_FSETGT;
|
||||
break;
|
||||
case LE:
|
||||
n = IR_FSETLE;
|
||||
break;
|
||||
case GE:
|
||||
n = IR_FSETGE;
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
switch (op) {
|
||||
case '=':n=IR_SETEQ;break;case NE :n=IR_SETNE;break;
|
||||
case '<':n=IR_SETLT;break;case '>':n=IR_SETGT;break;
|
||||
case LE :n=IR_SETLE;break;case GE :n=IR_SETGE;break;
|
||||
case '=':
|
||||
n = IR_SETEQ;
|
||||
break;
|
||||
case NE:
|
||||
n = IR_SETNE;
|
||||
break;
|
||||
case '<':
|
||||
n = IR_SETLT;
|
||||
break;
|
||||
case '>':
|
||||
n = IR_SETGT;
|
||||
break;
|
||||
case LE:
|
||||
n = IR_SETLE;
|
||||
break;
|
||||
case GE:
|
||||
n = IR_SETGE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (ty == Type::string_type) {
|
||||
@@ -161,19 +212,23 @@ TNode *Node::compare( int op,TNode *l,TNode *r,Type *ty ){
|
||||
/////////////////////////////////
|
||||
// calculate the type of a tag //
|
||||
/////////////////////////////////
|
||||
Type *Node::tagType( const string &tag,Environ *e ){
|
||||
Type* Node::tagType(const string& tag, Environ* e)
|
||||
{
|
||||
Type* t;
|
||||
if (tag.size()) {
|
||||
t = e->findType(tag);
|
||||
if( !t ) ex( "Type \""+tag+"\" not found" );
|
||||
}else t=0;
|
||||
if (!t)
|
||||
ex("Type \"" + tag + "\" not found");
|
||||
} else
|
||||
t = 0;
|
||||
return t;
|
||||
}
|
||||
|
||||
////////////////////////////////
|
||||
// Generate a fresh ASM label //
|
||||
////////////////////////////////
|
||||
string Node::genLabel(){
|
||||
string Node::genLabel()
|
||||
{
|
||||
static int cnt;
|
||||
return "_" + itoa(++cnt & 0x7fffffff);
|
||||
}
|
||||
@@ -181,7 +236,8 @@ string Node::genLabel(){
|
||||
//////////////////////////////////////////////////////
|
||||
// create a stmt-type function call with int result //
|
||||
//////////////////////////////////////////////////////
|
||||
TNode *Node::call( const string &func,TNode *a0,TNode *a1,TNode *a2 ){
|
||||
TNode* Node::call(const string& func, TNode* a0, TNode* a1, TNode* a2)
|
||||
{
|
||||
int size = 0;
|
||||
TNode* t = 0;
|
||||
if (a0) {
|
||||
@@ -203,7 +259,8 @@ TNode *Node::call( const string &func,TNode *a0,TNode *a1,TNode *a2 ){
|
||||
////////////////////////////////////////////////////////
|
||||
// create a stmt-type function call with float result //
|
||||
////////////////////////////////////////////////////////
|
||||
TNode *Node::fcall( const string &func,TNode *a0,TNode *a1,TNode *a2 ){
|
||||
TNode* Node::fcall(const string& func, TNode* a0, TNode* a1, TNode* a2)
|
||||
{
|
||||
int size = 0;
|
||||
TNode* t = 0;
|
||||
if (a0) {
|
||||
@@ -222,63 +279,77 @@ TNode *Node::fcall( const string &func,TNode *a0,TNode *a1,TNode *a2 ){
|
||||
return new TNode(IR_FCALL, l, t, size);
|
||||
}
|
||||
|
||||
TNode *Node::seq( TNode *l,TNode *r ){
|
||||
TNode* Node::seq(TNode* l, TNode* r)
|
||||
{
|
||||
return new TNode(IR_SEQ, l, r);
|
||||
}
|
||||
|
||||
TNode *Node::move( TNode *src,TNode *dest ){
|
||||
TNode* Node::move(TNode* src, TNode* dest)
|
||||
{
|
||||
return new TNode(IR_MOVE, src, dest);
|
||||
}
|
||||
|
||||
TNode *Node::global( const string &s ){
|
||||
TNode* Node::global(const string& s)
|
||||
{
|
||||
return new TNode(IR_GLOBAL, 0, 0, s);
|
||||
}
|
||||
|
||||
TNode *Node::local( int offset ){
|
||||
TNode* Node::local(int offset)
|
||||
{
|
||||
return new TNode(IR_LOCAL, 0, 0, offset);
|
||||
}
|
||||
|
||||
TNode *Node::arg( int offset ){
|
||||
TNode* Node::arg(int offset)
|
||||
{
|
||||
return new TNode(IR_ARG, 0, 0, offset);
|
||||
}
|
||||
|
||||
TNode *Node::mem( TNode *ref ){
|
||||
TNode* Node::mem(TNode* ref)
|
||||
{
|
||||
return new TNode(IR_MEM, ref, 0);
|
||||
}
|
||||
|
||||
TNode *Node::add( TNode *l,TNode *r ){
|
||||
TNode* Node::add(TNode* l, TNode* r)
|
||||
{
|
||||
return new TNode(IR_ADD, l, r);
|
||||
}
|
||||
|
||||
TNode *Node::mul( TNode *l,TNode *r ){
|
||||
TNode* Node::mul(TNode* l, TNode* r)
|
||||
{
|
||||
return new TNode(IR_MUL, l, r);
|
||||
}
|
||||
|
||||
TNode *Node::iconst( int n ){
|
||||
TNode* Node::iconst(int n)
|
||||
{
|
||||
return new TNode(IR_CONST, 0, 0, n);
|
||||
}
|
||||
|
||||
TNode *Node::ret(){
|
||||
TNode* Node::ret()
|
||||
{
|
||||
return new TNode(IR_RET, 0, 0);
|
||||
}
|
||||
|
||||
TNode *Node::jsr( const string &s ){
|
||||
TNode* Node::jsr(const string& s)
|
||||
{
|
||||
return new TNode(IR_JSR, 0, 0, s);
|
||||
}
|
||||
|
||||
TNode *Node::jump( const string &s ){
|
||||
TNode* Node::jump(const string& s)
|
||||
{
|
||||
return new TNode(IR_JUMP, 0, 0, s);
|
||||
}
|
||||
|
||||
TNode *Node::jumpt( TNode *expr,const string &s ){
|
||||
TNode* Node::jumpt(TNode* expr, const string& s)
|
||||
{
|
||||
return new TNode(IR_JUMPT, expr, 0, s);
|
||||
}
|
||||
|
||||
TNode *Node::jumpf( TNode *expr,const string &s ){
|
||||
TNode* Node::jumpf(TNode* expr, const string& s)
|
||||
{
|
||||
return new TNode(IR_JUMPF, expr, 0, s);
|
||||
}
|
||||
|
||||
TNode *Node::jumpge( TNode *l,TNode *r,const string &s ){
|
||||
TNode* Node::jumpge(TNode* l, TNode* r, const string& s)
|
||||
{
|
||||
return new TNode(IR_JUMPGE, l, r, s);
|
||||
}
|
||||
|
||||
|
||||
+2
-2
@@ -2,10 +2,10 @@
|
||||
#ifndef NODE_H
|
||||
#define NODE_H
|
||||
|
||||
#include "codegen.hpp"
|
||||
#include "environ.hpp"
|
||||
#include "ex.hpp"
|
||||
#include "toker.hpp"
|
||||
#include "environ.hpp"
|
||||
#include "codegen.hpp"
|
||||
|
||||
struct VarNode;
|
||||
struct ConstNode;
|
||||
|
||||
+2
-2
@@ -2,9 +2,9 @@
|
||||
#ifndef NODES_H
|
||||
#define NODES_H
|
||||
|
||||
#include "exprnode.hpp"
|
||||
#include "stmtnode.hpp"
|
||||
#include "declnode.hpp"
|
||||
#include "exprnode.hpp"
|
||||
#include "prognode.hpp"
|
||||
#include "stmtnode.hpp"
|
||||
|
||||
#endif
|
||||
|
||||
+383
-240
File diff suppressed because it is too large
Load Diff
+1
-2
@@ -8,12 +8,11 @@
|
||||
#ifndef PARSER_H
|
||||
#define PARSER_H
|
||||
|
||||
#include "toker.hpp"
|
||||
#include "nodes.hpp"
|
||||
#include "toker.hpp"
|
||||
|
||||
class Parser {
|
||||
public:
|
||||
|
||||
Parser(Toker& t);
|
||||
|
||||
ProgNode* parse(const string& main);
|
||||
|
||||
+15
-11
@@ -1,12 +1,12 @@
|
||||
|
||||
#include "std.hpp"
|
||||
#include "nodes.hpp"
|
||||
#include "std.hpp"
|
||||
|
||||
//////////////////
|
||||
// The program! //
|
||||
//////////////////
|
||||
Environ *ProgNode::semant( Environ *e ){
|
||||
|
||||
Environ* ProgNode::semant(Environ* e)
|
||||
{
|
||||
file_lab = genLabel();
|
||||
|
||||
StmtSeqNode::reset(stmts->file, file_lab);
|
||||
@@ -26,11 +26,12 @@ Environ *ProgNode::semant( Environ *e ){
|
||||
return sem_env;
|
||||
}
|
||||
|
||||
void ProgNode::translate( Codegen *g,const vector<UserFunc> &usrfuncs ){
|
||||
|
||||
void ProgNode::translate(Codegen* g, const vector<UserFunc>& usrfuncs)
|
||||
{
|
||||
int k;
|
||||
|
||||
if( g->debug ) g->s_data( stmts->file,file_lab );
|
||||
if (g->debug)
|
||||
g->s_data(stmts->file, file_lab);
|
||||
|
||||
//enumerate locals
|
||||
int size = enumVars(sem_env);
|
||||
@@ -51,7 +52,8 @@ void ProgNode::translate( Codegen *g,const vector<UserFunc> &usrfuncs ){
|
||||
|
||||
//create locals
|
||||
TNode* t = createVars(sem_env);
|
||||
if( t ) g->code( t );
|
||||
if (t)
|
||||
g->code(t);
|
||||
if (g->debug) {
|
||||
string t = genLabel();
|
||||
g->s_data("<main program>", t);
|
||||
@@ -69,13 +71,15 @@ void ProgNode::translate( Codegen *g,const vector<UserFunc> &usrfuncs ){
|
||||
|
||||
//check labels
|
||||
for (k = 0; k < sem_env->labels.size(); ++k) {
|
||||
if( sem_env->labels[k]->def<0 ) ex( "Undefined label '"+sem_env->labels[k]->name+"'",sem_env->labels[k]->ref,stmts->file );
|
||||
if (sem_env->labels[k]->def < 0)
|
||||
ex("Undefined label '" + sem_env->labels[k]->name + "'", sem_env->labels[k]->ref, stmts->file);
|
||||
}
|
||||
|
||||
//leave main program
|
||||
g->label(sem_env->funcLabel + "_leave");
|
||||
t = deleteVars(sem_env);
|
||||
if( g->debug ) t=new TNode( IR_SEQ,call( "__bbDebugLeave" ),t );
|
||||
if (g->debug)
|
||||
t = new TNode(IR_SEQ, call("__bbDebugLeave"), t);
|
||||
g->leave(t, 0);
|
||||
|
||||
//structs
|
||||
@@ -96,7 +100,8 @@ void ProgNode::translate( Codegen *g,const vector<UserFunc> &usrfuncs ){
|
||||
for (k = 0; k < usrfuncs.size(); ++k) {
|
||||
const UserFunc& fn = usrfuncs[k];
|
||||
|
||||
if( !usedfuncs.count(fn.ident) ) continue;
|
||||
if (!usedfuncs.count(fn.ident))
|
||||
continue;
|
||||
|
||||
libFuncs[fn.lib].push_back(k);
|
||||
|
||||
@@ -108,7 +113,6 @@ void ProgNode::translate( Codegen *g,const vector<UserFunc> &usrfuncs ){
|
||||
g->label("__LIBS");
|
||||
map<string, vector<int>>::const_iterator lf_it;
|
||||
for (lf_it = libFuncs.begin(); lf_it != libFuncs.end(); ++lf_it) {
|
||||
|
||||
//lib name
|
||||
g->s_data(lf_it->first);
|
||||
|
||||
|
||||
@@ -2,8 +2,8 @@
|
||||
#ifndef PROGNODE_H
|
||||
#define PROGNODE_H
|
||||
|
||||
#include "node.hpp"
|
||||
#include "codegen.hpp"
|
||||
#include "node.hpp"
|
||||
|
||||
struct UserFunc {
|
||||
string ident, proc, lib;
|
||||
@@ -12,7 +12,6 @@ struct UserFunc{
|
||||
};
|
||||
|
||||
struct ProgNode : public Node {
|
||||
|
||||
DeclSeqNode* consts;
|
||||
DeclSeqNode* structs;
|
||||
DeclSeqNode* funcs;
|
||||
@@ -23,8 +22,11 @@ struct ProgNode : public Node{
|
||||
|
||||
string file_lab;
|
||||
|
||||
ProgNode( DeclSeqNode *c,DeclSeqNode *s,DeclSeqNode *f,DeclSeqNode *d,StmtSeqNode *ss ):consts(c),structs(s),funcs(f),datas(d),stmts(ss){}
|
||||
~ProgNode(){
|
||||
ProgNode(DeclSeqNode* c, DeclSeqNode* s, DeclSeqNode* f, DeclSeqNode* d, StmtSeqNode* ss)
|
||||
: consts(c), structs(s), funcs(f), datas(d), stmts(ss)
|
||||
{}
|
||||
~ProgNode()
|
||||
{
|
||||
delete consts;
|
||||
delete structs;
|
||||
delete funcs;
|
||||
|
||||
+5
-5
@@ -5,14 +5,14 @@
|
||||
#include "config.hpp"
|
||||
#include "stdutil.hpp"
|
||||
|
||||
#include <set>
|
||||
#include <map>
|
||||
#include <fstream>
|
||||
#include <iomanip>
|
||||
#include <iostream>
|
||||
#include <list>
|
||||
#include <map>
|
||||
#include <set>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <fstream>
|
||||
#include <iostream>
|
||||
#include <iomanip>
|
||||
|
||||
using namespace std;
|
||||
|
||||
|
||||
+208
-112
@@ -1,18 +1,20 @@
|
||||
|
||||
#include "std.hpp"
|
||||
#include "nodes.hpp"
|
||||
#include "std.hpp"
|
||||
|
||||
static string fileLabel;
|
||||
static map<string, string> fileMap;
|
||||
|
||||
void StmtNode::debug(int pos, Codegen *g) {
|
||||
void StmtNode::debug(int pos, Codegen* g)
|
||||
{
|
||||
if (g->debug) {
|
||||
TNode* t = fileLabel.size() ? global(fileLabel) : iconst(0);
|
||||
g->code(call("__bbDebugStmt", iconst(pos), t));
|
||||
}
|
||||
}
|
||||
|
||||
void StmtSeqNode::reset(const string &file, const string &lab) {
|
||||
void StmtSeqNode::reset(const string& file, const string& lab)
|
||||
{
|
||||
fileLabel = "";
|
||||
fileMap.clear();
|
||||
|
||||
@@ -22,18 +24,23 @@ void StmtSeqNode::reset(const string &file, const string &lab) {
|
||||
////////////////////////
|
||||
// Statement Sequence //
|
||||
////////////////////////
|
||||
void StmtSeqNode::semant(Environ *e) {
|
||||
void StmtSeqNode::semant(Environ* e)
|
||||
{
|
||||
for (int k = 0; k < stmts.size(); ++k) {
|
||||
try { stmts[k]->semant(e); } catch (Ex &x) {
|
||||
if (x.pos < 0) x.pos = stmts[k]->pos;
|
||||
if (!x.file.size()) x.file = file;
|
||||
try {
|
||||
stmts[k]->semant(e);
|
||||
} catch (Ex& x) {
|
||||
if (x.pos < 0)
|
||||
x.pos = stmts[k]->pos;
|
||||
if (!x.file.size())
|
||||
x.file = file;
|
||||
throw;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void StmtSeqNode::translate(Codegen *g) {
|
||||
|
||||
void StmtSeqNode::translate(Codegen* g)
|
||||
{
|
||||
string t = fileLabel;
|
||||
fileLabel = file.size() ? fileMap[file] : "";
|
||||
for (int k = 0; k < stmts.size(); ++k) {
|
||||
@@ -42,8 +49,10 @@ void StmtSeqNode::translate(Codegen *g) {
|
||||
try {
|
||||
stmt->translate(g);
|
||||
} catch (Ex& x) {
|
||||
if (x.pos < 0) x.pos = stmts[k]->pos;
|
||||
if (!x.file.size()) x.file = file;
|
||||
if (x.pos < 0)
|
||||
x.pos = stmts[k]->pos;
|
||||
if (!x.file.size())
|
||||
x.file = file;
|
||||
throw;
|
||||
}
|
||||
}
|
||||
@@ -53,17 +62,18 @@ void StmtSeqNode::translate(Codegen *g) {
|
||||
/////////////////
|
||||
// An Include! //
|
||||
/////////////////
|
||||
void IncludeNode::semant(Environ *e) {
|
||||
|
||||
void IncludeNode::semant(Environ* e)
|
||||
{
|
||||
label = genLabel();
|
||||
fileMap[file] = label;
|
||||
|
||||
stmts->semant(e);
|
||||
}
|
||||
|
||||
void IncludeNode::translate(Codegen *g) {
|
||||
|
||||
if (g->debug) g->s_data(file, label);
|
||||
void IncludeNode::translate(Codegen* g)
|
||||
{
|
||||
if (g->debug)
|
||||
g->s_data(file, label);
|
||||
|
||||
stmts->translate(g);
|
||||
}
|
||||
@@ -71,29 +81,35 @@ void IncludeNode::translate(Codegen *g) {
|
||||
///////////////////
|
||||
// a declaration //
|
||||
///////////////////
|
||||
void DeclStmtNode::semant(Environ *e) {
|
||||
void DeclStmtNode::semant(Environ* e)
|
||||
{
|
||||
decl->proto(e->decls, e);
|
||||
decl->semant(e);
|
||||
}
|
||||
|
||||
void DeclStmtNode::translate(Codegen *g) {
|
||||
void DeclStmtNode::translate(Codegen* g)
|
||||
{
|
||||
decl->translate(g);
|
||||
}
|
||||
|
||||
//////////////////////////////
|
||||
// Dim AND declare an Array //
|
||||
//////////////////////////////
|
||||
void DimNode::semant(Environ *e) {
|
||||
void DimNode::semant(Environ* e)
|
||||
{
|
||||
Type* t = tagType(tag, e);
|
||||
if (Decl* d = e->findDecl(ident)) {
|
||||
ArrayType* a = d->type->arrayType();
|
||||
if (!a || a->dims != exprs->size() || (t && a->elementType != t)) {
|
||||
ex("Duplicate identifier");
|
||||
}
|
||||
sem_type = a; sem_decl = 0;
|
||||
sem_type = a;
|
||||
sem_decl = 0;
|
||||
} else {
|
||||
if (e->level > 0) ex("Array not found in main program");
|
||||
if (!t) t = Type::int_type;
|
||||
if (e->level > 0)
|
||||
ex("Array not found in main program");
|
||||
if (!t)
|
||||
t = Type::int_type;
|
||||
sem_type = new ArrayType(t, exprs->size());
|
||||
sem_decl = e->decls->insertDecl(ident, sem_type, DECL_ARRAY);
|
||||
e->types.push_back(sem_type);
|
||||
@@ -102,7 +118,8 @@ void DimNode::semant(Environ *e) {
|
||||
exprs->castTo(Type::int_type, e);
|
||||
}
|
||||
|
||||
void DimNode::translate(Codegen *g) {
|
||||
void DimNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t;
|
||||
g->code(call("__bbUndimArray", global("_a" + ident)));
|
||||
for (int k = 0; k < exprs->size(); ++k) {
|
||||
@@ -112,125 +129,160 @@ void DimNode::translate(Codegen *g) {
|
||||
}
|
||||
g->code(call("__bbDimArray", global("_a" + ident)));
|
||||
|
||||
if (!sem_decl) return;
|
||||
if (!sem_decl)
|
||||
return;
|
||||
|
||||
int et, k;
|
||||
Type* ty = sem_type->arrayType()->elementType;
|
||||
if (ty == Type::int_type) et = 1;
|
||||
else if (ty == Type::float_type) et = 2;
|
||||
else if (ty == Type::string_type) et = 3;
|
||||
else et = 5;
|
||||
if (ty == Type::int_type)
|
||||
et = 1;
|
||||
else if (ty == Type::float_type)
|
||||
et = 2;
|
||||
else if (ty == Type::string_type)
|
||||
et = 3;
|
||||
else
|
||||
et = 5;
|
||||
|
||||
g->align_data(4);
|
||||
g->i_data(0, "_a" + ident);
|
||||
g->i_data(et);
|
||||
g->i_data(exprs->size());
|
||||
for (k = 0; k < exprs->size(); ++k) g->i_data(0);
|
||||
for (k = 0; k < exprs->size(); ++k)
|
||||
g->i_data(0);
|
||||
}
|
||||
|
||||
////////////////
|
||||
// Assignment //
|
||||
////////////////
|
||||
void AssNode::semant(Environ *e) {
|
||||
void AssNode::semant(Environ* e)
|
||||
{
|
||||
var->semant(e);
|
||||
if (var->sem_type->constType()) ex("Constants can not be assigned to");
|
||||
if (var->sem_type->vectorType()) ex("Blitz arrays can not be assigned to");
|
||||
if (var->sem_type->constType())
|
||||
ex("Constants can not be assigned to");
|
||||
if (var->sem_type->vectorType())
|
||||
ex("Blitz arrays can not be assigned to");
|
||||
expr = expr->semant(e);
|
||||
expr = expr->castTo(var->sem_type, e);
|
||||
}
|
||||
|
||||
void AssNode::translate(Codegen *g) {
|
||||
void AssNode::translate(Codegen* g)
|
||||
{
|
||||
g->code(var->store(g, expr->translate(g)));
|
||||
}
|
||||
|
||||
//////////////////////////
|
||||
// Expression statement //
|
||||
//////////////////////////
|
||||
void ExprStmtNode::semant(Environ *e) {
|
||||
void ExprStmtNode::semant(Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
}
|
||||
|
||||
void ExprStmtNode::translate(Codegen *g) {
|
||||
void ExprStmtNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t = expr->translate(g);
|
||||
if (expr->sem_type == Type::string_type) t = call("__bbStrRelease", t);
|
||||
if (expr->sem_type == Type::string_type)
|
||||
t = call("__bbStrRelease", t);
|
||||
g->code(t);
|
||||
}
|
||||
|
||||
////////////////
|
||||
// user label //
|
||||
////////////////
|
||||
void LabelNode::semant(Environ *e) {
|
||||
void LabelNode::semant(Environ* e)
|
||||
{
|
||||
if (Label* l = e->findLabel(ident)) {
|
||||
if (l->def >= 0) ex("duplicate label");
|
||||
l->def = pos; l->data_sz = data_sz;
|
||||
} else e->insertLabel(ident, pos, -1, data_sz);
|
||||
if (l->def >= 0)
|
||||
ex("duplicate label");
|
||||
l->def = pos;
|
||||
l->data_sz = data_sz;
|
||||
} else
|
||||
e->insertLabel(ident, pos, -1, data_sz);
|
||||
ident = e->funcLabel + ident;
|
||||
}
|
||||
|
||||
void LabelNode::translate(Codegen *g) {
|
||||
void LabelNode::translate(Codegen* g)
|
||||
{
|
||||
g->label("_l" + ident);
|
||||
}
|
||||
|
||||
//////////////////
|
||||
// Restore data //
|
||||
//////////////////
|
||||
void RestoreNode::semant(Environ *e) {
|
||||
if (e->level > 0) e = e->globals;
|
||||
void RestoreNode::semant(Environ* e)
|
||||
{
|
||||
if (e->level > 0)
|
||||
e = e->globals;
|
||||
|
||||
if (ident.size() == 0) sem_label = 0;
|
||||
if (ident.size() == 0)
|
||||
sem_label = 0;
|
||||
else {
|
||||
sem_label = e->findLabel(ident);
|
||||
if (!sem_label) sem_label = e->insertLabel(ident, -1, pos, -1);
|
||||
if (!sem_label)
|
||||
sem_label = e->insertLabel(ident, -1, pos, -1);
|
||||
}
|
||||
}
|
||||
|
||||
void RestoreNode::translate(Codegen *g) {
|
||||
void RestoreNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t = global("__DATA");
|
||||
if (sem_label) t = add(t, iconst(sem_label->data_sz * 8));
|
||||
if (sem_label)
|
||||
t = add(t, iconst(sem_label->data_sz * 8));
|
||||
g->code(call("__bbRestore", t));
|
||||
}
|
||||
|
||||
////////////////////
|
||||
// Goto statement //
|
||||
////////////////////
|
||||
void GotoNode::semant(Environ *e) {
|
||||
void GotoNode::semant(Environ* e)
|
||||
{
|
||||
if (!e->findLabel(ident)) {
|
||||
e->insertLabel(ident, -1, pos, -1);
|
||||
}
|
||||
ident = e->funcLabel + ident;
|
||||
}
|
||||
|
||||
void GotoNode::translate(Codegen *g) {
|
||||
void GotoNode::translate(Codegen* g)
|
||||
{
|
||||
g->code(jump("_l" + ident));
|
||||
}
|
||||
|
||||
/////////////////////
|
||||
// Gosub statement //
|
||||
/////////////////////
|
||||
void GosubNode::semant(Environ *e) {
|
||||
if (e->level > 0) ex("'Gosub' may not be used inside a function");
|
||||
if (!e->findLabel(ident)) e->insertLabel(ident, -1, pos, -1);
|
||||
void GosubNode::semant(Environ* e)
|
||||
{
|
||||
if (e->level > 0)
|
||||
ex("'Gosub' may not be used inside a function");
|
||||
if (!e->findLabel(ident))
|
||||
e->insertLabel(ident, -1, pos, -1);
|
||||
ident = e->funcLabel + ident;
|
||||
}
|
||||
|
||||
void GosubNode::translate(Codegen *g) {
|
||||
void GosubNode::translate(Codegen* g)
|
||||
{
|
||||
g->code(jsr("_l" + ident));
|
||||
}
|
||||
|
||||
//////////////////
|
||||
// If statement //
|
||||
//////////////////
|
||||
void IfNode::semant(Environ *e) {
|
||||
void IfNode::semant(Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
expr = expr->castTo(Type::int_type, e);
|
||||
stmts->semant(e);
|
||||
if (elseOpt) elseOpt->semant(e);
|
||||
if (elseOpt)
|
||||
elseOpt->semant(e);
|
||||
}
|
||||
|
||||
void IfNode::translate(Codegen *g) {
|
||||
void IfNode::translate(Codegen* g)
|
||||
{
|
||||
if (ConstNode* c = expr->constNode()) {
|
||||
if (c->intValue()) stmts->translate(g);
|
||||
else if (elseOpt) elseOpt->translate(g);
|
||||
if (c->intValue())
|
||||
stmts->translate(g);
|
||||
else if (elseOpt)
|
||||
elseOpt->translate(g);
|
||||
} else {
|
||||
string _else = genLabel();
|
||||
g->code(jumpf(expr->translate(g), _else));
|
||||
@@ -249,19 +301,23 @@ void IfNode::translate(Codegen *g) {
|
||||
///////////
|
||||
// Break //
|
||||
///////////
|
||||
void ExitNode::semant(Environ *e) {
|
||||
void ExitNode::semant(Environ* e)
|
||||
{
|
||||
sem_brk = e->breakLabel;
|
||||
if (!sem_brk.size()) ex("break must appear inside a loop");
|
||||
if (!sem_brk.size())
|
||||
ex("break must appear inside a loop");
|
||||
}
|
||||
|
||||
void ExitNode::translate(Codegen *g) {
|
||||
void ExitNode::translate(Codegen* g)
|
||||
{
|
||||
g->code(new TNode(IR_JUMP, 0, 0, sem_brk));
|
||||
}
|
||||
|
||||
/////////////////////
|
||||
// While statement //
|
||||
/////////////////////
|
||||
void WhileNode::semant(Environ *e) {
|
||||
void WhileNode::semant(Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
expr = expr->castTo(Type::int_type, e);
|
||||
string brk = e->setBreak(sem_brk = genLabel());
|
||||
@@ -269,10 +325,12 @@ void WhileNode::semant(Environ *e) {
|
||||
e->setBreak(brk);
|
||||
}
|
||||
|
||||
void WhileNode::translate(Codegen *g) {
|
||||
void WhileNode::translate(Codegen* g)
|
||||
{
|
||||
string loop = genLabel();
|
||||
if (ConstNode* c = expr->constNode()) {
|
||||
if (!c->intValue()) return;
|
||||
if (!c->intValue())
|
||||
return;
|
||||
g->label(loop);
|
||||
stmts->translate(g);
|
||||
g->code(jump(loop));
|
||||
@@ -292,10 +350,11 @@ void WhileNode::translate(Codegen *g) {
|
||||
// For/Next loop //
|
||||
///////////////////
|
||||
ForNode::ForNode(VarNode* var, ExprNode* from, ExprNode* to, ExprNode* step, StmtSeqNode* ss, int np)
|
||||
:var(var), fromExpr(from), toExpr(to), stepExpr(step), stmts(ss), nextPos(np) {
|
||||
}
|
||||
: var(var), fromExpr(from), toExpr(to), stepExpr(step), stmts(ss), nextPos(np)
|
||||
{}
|
||||
|
||||
ForNode::~ForNode() {
|
||||
ForNode::~ForNode()
|
||||
{
|
||||
delete stmts;
|
||||
delete stepExpr;
|
||||
delete toExpr;
|
||||
@@ -303,10 +362,12 @@ ForNode::~ForNode() {
|
||||
delete var;
|
||||
}
|
||||
|
||||
void ForNode::semant(Environ *e) {
|
||||
void ForNode::semant(Environ* e)
|
||||
{
|
||||
var->semant(e);
|
||||
Type* ty = var->sem_type;
|
||||
if (ty->constType()) ex("Index variable can not be constant");
|
||||
if (ty->constType())
|
||||
ex("Index variable can not be constant");
|
||||
if (ty != Type::int_type && ty != Type::float_type) {
|
||||
ex("index variable must be integer or real");
|
||||
}
|
||||
@@ -317,16 +378,18 @@ void ForNode::semant(Environ *e) {
|
||||
stepExpr = stepExpr->semant(e);
|
||||
stepExpr = stepExpr->castTo(ty, e);
|
||||
|
||||
if (!stepExpr->constNode()) ex("Step value must be constant");
|
||||
if (!stepExpr->constNode())
|
||||
ex("Step value must be constant");
|
||||
|
||||
string brk = e->setBreak(sem_brk = genLabel());
|
||||
stmts->semant(e);
|
||||
e->setBreak(brk);
|
||||
}
|
||||
|
||||
void ForNode::translate(Codegen *g) {
|
||||
|
||||
TNode *t; Type *ty = var->sem_type;
|
||||
void ForNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t;
|
||||
Type* ty = var->sem_type;
|
||||
|
||||
//initial assignment
|
||||
g->code(var->store(g, fromExpr->translate(g)));
|
||||
@@ -355,21 +418,26 @@ void ForNode::translate(Codegen *g) {
|
||||
///////////////////////////////
|
||||
// For each object of a type //
|
||||
///////////////////////////////
|
||||
void ForEachNode::semant(Environ *e) {
|
||||
void ForEachNode::semant(Environ* e)
|
||||
{
|
||||
var->semant(e);
|
||||
Type* ty = var->sem_type;
|
||||
|
||||
if (ty->structType() == 0) ex("Index variable is not a NewType");
|
||||
if (ty->structType() == 0)
|
||||
ex("Index variable is not a NewType");
|
||||
Type* t = e->findType(typeIdent);
|
||||
if (!t) ex("Type name not found");
|
||||
if (t != ty) ex("Type mismatch");
|
||||
if (!t)
|
||||
ex("Type name not found");
|
||||
if (t != ty)
|
||||
ex("Type mismatch");
|
||||
|
||||
string brk = e->setBreak(sem_brk = genLabel());
|
||||
stmts->semant(e);
|
||||
e->setBreak(brk);
|
||||
}
|
||||
|
||||
void ForEachNode::translate(Codegen *g) {
|
||||
void ForEachNode::translate(Codegen* g)
|
||||
{
|
||||
TNode *t, *l, *r;
|
||||
string _loop = genLabel();
|
||||
|
||||
@@ -401,7 +469,8 @@ void ForEachNode::translate(Codegen *g) {
|
||||
////////////////////////////
|
||||
// Return from a function //
|
||||
////////////////////////////
|
||||
void ReturnNode::semant(Environ *e) {
|
||||
void ReturnNode::semant(Environ* e)
|
||||
{
|
||||
if (e->level <= 0 && expr) {
|
||||
ex("Main program cannot return a value");
|
||||
}
|
||||
@@ -423,7 +492,8 @@ void ReturnNode::semant(Environ *e) {
|
||||
}
|
||||
}
|
||||
|
||||
void ReturnNode::translate(Codegen *g) {
|
||||
void ReturnNode::translate(Codegen* g)
|
||||
{
|
||||
if (!expr) {
|
||||
g->code(new TNode(IR_RET, 0, 0));
|
||||
return;
|
||||
@@ -441,12 +511,15 @@ void ReturnNode::translate(Codegen *g) {
|
||||
//////////////////////
|
||||
// Delete statement //
|
||||
//////////////////////
|
||||
void DeleteNode::semant(Environ *e) {
|
||||
void DeleteNode::semant(Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
if (expr->sem_type->structType() == 0) ex("Can't delete non-Newtype");
|
||||
if (expr->sem_type->structType() == 0)
|
||||
ex("Can't delete non-Newtype");
|
||||
}
|
||||
|
||||
void DeleteNode::translate(Codegen *g) {
|
||||
void DeleteNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t = expr->translate(g);
|
||||
g->code(call("__bbObjDelete", t));
|
||||
}
|
||||
@@ -454,32 +527,41 @@ void DeleteNode::translate(Codegen *g) {
|
||||
///////////////////////////
|
||||
// Delete each of a type //
|
||||
///////////////////////////
|
||||
void DeleteEachNode::semant(Environ *e) {
|
||||
void DeleteEachNode::semant(Environ* e)
|
||||
{
|
||||
Type* t = e->findType(typeIdent);
|
||||
if (!t || t->structType() == 0) ex("Specified name is not a NewType name");
|
||||
if (!t || t->structType() == 0)
|
||||
ex("Specified name is not a NewType name");
|
||||
}
|
||||
|
||||
void DeleteEachNode::translate(Codegen *g) {
|
||||
void DeleteEachNode::translate(Codegen* g)
|
||||
{
|
||||
g->code(call("__bbObjDeleteEach", global("_t" + typeIdent)));
|
||||
}
|
||||
|
||||
///////////////////////////
|
||||
// Insert object in list //
|
||||
///////////////////////////
|
||||
void InsertNode::semant(Environ *e) {
|
||||
void InsertNode::semant(Environ* e)
|
||||
{
|
||||
expr1 = expr1->semant(e);
|
||||
expr2 = expr2->semant(e);
|
||||
StructType* t1 = expr1->sem_type->structType();
|
||||
StructType* t2 = expr2->sem_type->structType();
|
||||
if (!t1 || !t2) ex("Illegal expression type");
|
||||
if (t1 != t2) ex("Objects types are differnt");
|
||||
if (!t1 || !t2)
|
||||
ex("Illegal expression type");
|
||||
if (t1 != t2)
|
||||
ex("Objects types are differnt");
|
||||
}
|
||||
|
||||
void InsertNode::translate(Codegen *g) {
|
||||
void InsertNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t1 = expr1->translate(g);
|
||||
if (g->debug) t1 = jumpf(t1, "__bbNullObjEx");
|
||||
if (g->debug)
|
||||
t1 = jumpf(t1, "__bbNullObjEx");
|
||||
TNode* t2 = expr2->translate(g);
|
||||
if (g->debug) t2 = jumpf(t2, "__bbNullObjEx");
|
||||
if (g->debug)
|
||||
t2 = jumpf(t2, "__bbNullObjEx");
|
||||
string s = before ? "__bbObjInsBefore" : "__bbObjInsAfter";
|
||||
g->code(call(s, t1, t2));
|
||||
}
|
||||
@@ -487,10 +569,12 @@ void InsertNode::translate(Codegen *g) {
|
||||
////////////////////////
|
||||
// A select statement //
|
||||
////////////////////////
|
||||
void SelectNode::semant(Environ *e) {
|
||||
void SelectNode::semant(Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
Type* ty = expr->sem_type;
|
||||
if (ty->structType()) ex("Select cannot be used with objects");
|
||||
if (ty->structType())
|
||||
ex("Select cannot be used with objects");
|
||||
|
||||
//we need a temp var
|
||||
Decl* d = e->decls->insertDecl(genLabel(), expr->sem_type, DECL_LOCAL);
|
||||
@@ -502,11 +586,12 @@ void SelectNode::semant(Environ *e) {
|
||||
c->exprs->castTo(ty, e);
|
||||
c->stmts->semant(e);
|
||||
}
|
||||
if (defStmts) defStmts->semant(e);
|
||||
if (defStmts)
|
||||
defStmts->semant(e);
|
||||
}
|
||||
|
||||
void SelectNode::translate(Codegen *g) {
|
||||
|
||||
void SelectNode::translate(Codegen* g)
|
||||
{
|
||||
Type* ty = expr->sem_type;
|
||||
int k;
|
||||
|
||||
@@ -524,7 +609,8 @@ void SelectNode::translate(Codegen *g) {
|
||||
g->code(jumpt(t, labs.back()));
|
||||
}
|
||||
}
|
||||
if (defStmts) defStmts->translate(g);
|
||||
if (defStmts)
|
||||
defStmts->translate(g);
|
||||
g->code(jump(brk));
|
||||
for (k = 0; k < cases.size(); ++k) {
|
||||
CaseNode* c = cases[k];
|
||||
@@ -539,7 +625,8 @@ void SelectNode::translate(Codegen *g) {
|
||||
////////////////////////////
|
||||
// Repeat...Until/Forever //
|
||||
////////////////////////////
|
||||
void RepeatNode::semant(Environ *e) {
|
||||
void RepeatNode::semant(Environ* e)
|
||||
{
|
||||
sem_brk = genLabel();
|
||||
string brk = e->setBreak(sem_brk);
|
||||
stmts->semant(e);
|
||||
@@ -550,18 +637,21 @@ void RepeatNode::semant(Environ *e) {
|
||||
}
|
||||
}
|
||||
|
||||
void RepeatNode::translate(Codegen *g) {
|
||||
|
||||
void RepeatNode::translate(Codegen* g)
|
||||
{
|
||||
string loop = genLabel();
|
||||
g->label(loop);
|
||||
stmts->translate(g);
|
||||
debug(untilPos, g);
|
||||
|
||||
if (ConstNode* c = expr ? expr->constNode() : 0) {
|
||||
if (!c->intValue()) g->code(jump(loop));
|
||||
if (!c->intValue())
|
||||
g->code(jump(loop));
|
||||
} else {
|
||||
if (expr) g->code(jumpf(expr->translate(g), loop));
|
||||
else g->code(jump(loop));
|
||||
if (expr)
|
||||
g->code(jumpf(expr->translate(g), loop));
|
||||
else
|
||||
g->code(jump(loop));
|
||||
}
|
||||
g->label(sem_brk);
|
||||
}
|
||||
@@ -569,17 +659,23 @@ void RepeatNode::translate(Codegen *g) {
|
||||
///////////////
|
||||
// Read data //
|
||||
///////////////
|
||||
void ReadNode::semant(Environ *e) {
|
||||
void ReadNode::semant(Environ* e)
|
||||
{
|
||||
var->semant(e);
|
||||
if (var->sem_type->constType()) ex("Constants can not be modified");
|
||||
if (var->sem_type->structType()) ex("Data can not be read into an object");
|
||||
if (var->sem_type->constType())
|
||||
ex("Constants can not be modified");
|
||||
if (var->sem_type->structType())
|
||||
ex("Data can not be read into an object");
|
||||
}
|
||||
|
||||
void ReadNode::translate(Codegen *g) {
|
||||
void ReadNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t;
|
||||
if (var->sem_type == Type::int_type) t = call("__bbReadInt");
|
||||
else if (var->sem_type == Type::float_type) t = fcall("__bbReadFloat");
|
||||
else t = call("__bbReadStr");
|
||||
if (var->sem_type == Type::int_type)
|
||||
t = call("__bbReadInt");
|
||||
else if (var->sem_type == Type::float_type)
|
||||
t = fcall("__bbReadFloat");
|
||||
else
|
||||
t = call("__bbReadStr");
|
||||
g->code(var->store(g, t));
|
||||
}
|
||||
|
||||
|
||||
+94
-21
@@ -17,23 +17,36 @@ struct StmtSeqNode : public Node{
|
||||
string file;
|
||||
vector<StmtNode*> stmts;
|
||||
StmtSeqNode(const string& f) : file(f) {}
|
||||
~StmtSeqNode(){ for( ;stmts.size();stmts.pop_back() ) delete stmts.back(); }
|
||||
~StmtSeqNode()
|
||||
{
|
||||
for (; stmts.size(); stmts.pop_back())
|
||||
delete stmts.back();
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
void push_back( StmtNode *s ){ stmts.push_back( s ); }
|
||||
int size(){ return stmts.size(); }
|
||||
void push_back(StmtNode* s)
|
||||
{
|
||||
stmts.push_back(s);
|
||||
}
|
||||
int size()
|
||||
{
|
||||
return stmts.size();
|
||||
}
|
||||
|
||||
static void reset(const string& file, const string& lab);
|
||||
};
|
||||
|
||||
#include "exprnode.hpp"
|
||||
#include "declnode.hpp"
|
||||
#include "exprnode.hpp"
|
||||
|
||||
struct IncludeNode : public StmtNode {
|
||||
string file, label;
|
||||
StmtSeqNode* stmts;
|
||||
IncludeNode(const string& t, StmtSeqNode* ss) : file(t), stmts(ss) {}
|
||||
~IncludeNode(){ delete stmts; }
|
||||
~IncludeNode()
|
||||
{
|
||||
delete stmts;
|
||||
}
|
||||
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
@@ -41,8 +54,14 @@ struct IncludeNode : public StmtNode{
|
||||
|
||||
struct DeclStmtNode : public StmtNode {
|
||||
DeclNode* decl;
|
||||
DeclStmtNode( DeclNode *d ):decl(d){ pos=d->pos; }
|
||||
~DeclStmtNode(){ delete decl; }
|
||||
DeclStmtNode(DeclNode* d) : decl(d)
|
||||
{
|
||||
pos = d->pos;
|
||||
}
|
||||
~DeclStmtNode()
|
||||
{
|
||||
delete decl;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
@@ -53,7 +72,10 @@ struct DimNode : public StmtNode{
|
||||
ArrayType* sem_type;
|
||||
Decl* sem_decl;
|
||||
DimNode(const string& i, const string& t, ExprSeqNode* e) : ident(i), tag(t), exprs(e) {}
|
||||
~DimNode(){ delete exprs; }
|
||||
~DimNode()
|
||||
{
|
||||
delete exprs;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
@@ -62,7 +84,11 @@ struct AssNode : public StmtNode{
|
||||
VarNode* var;
|
||||
ExprNode* expr;
|
||||
AssNode(VarNode* var, ExprNode* expr) : var(var), expr(expr) {}
|
||||
~AssNode(){ delete var;delete expr; }
|
||||
~AssNode()
|
||||
{
|
||||
delete var;
|
||||
delete expr;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
@@ -70,7 +96,10 @@ struct AssNode : public StmtNode{
|
||||
struct ExprStmtNode : public StmtNode {
|
||||
ExprNode* expr;
|
||||
ExprStmtNode(ExprNode* e) : expr(e) {}
|
||||
~ExprStmtNode(){ delete expr; }
|
||||
~ExprStmtNode()
|
||||
{
|
||||
delete expr;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
@@ -101,7 +130,12 @@ struct IfNode : public StmtNode{
|
||||
ExprNode* expr;
|
||||
StmtSeqNode *stmts, *elseOpt;
|
||||
IfNode(ExprNode* e, StmtSeqNode* s, StmtSeqNode* o) : expr(e), stmts(s), elseOpt(o) {}
|
||||
~IfNode(){ delete expr;delete stmts;delete elseOpt; }
|
||||
~IfNode()
|
||||
{
|
||||
delete expr;
|
||||
delete stmts;
|
||||
delete elseOpt;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
@@ -118,7 +152,11 @@ struct WhileNode : public StmtNode{
|
||||
StmtSeqNode* stmts;
|
||||
string sem_brk;
|
||||
WhileNode(ExprNode* e, StmtSeqNode* s, int wp) : expr(e), stmts(s), wendPos(wp) {}
|
||||
~WhileNode(){ delete expr;delete stmts; }
|
||||
~WhileNode()
|
||||
{
|
||||
delete expr;
|
||||
delete stmts;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
@@ -142,7 +180,11 @@ struct ForEachNode : public StmtNode{
|
||||
StmtSeqNode* stmts;
|
||||
string sem_brk;
|
||||
ForEachNode(VarNode* v, const string& t, StmtSeqNode* s, int np) : var(v), typeIdent(t), stmts(s), nextPos(np) {}
|
||||
~ForEachNode(){ delete var;delete stmts; }
|
||||
~ForEachNode()
|
||||
{
|
||||
delete var;
|
||||
delete stmts;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
@@ -151,7 +193,10 @@ struct ReturnNode : public StmtNode{
|
||||
ExprNode* expr;
|
||||
string returnLabel;
|
||||
ReturnNode(ExprNode* e) : expr(e) {}
|
||||
~ReturnNode(){ delete expr; }
|
||||
~ReturnNode()
|
||||
{
|
||||
delete expr;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
@@ -159,7 +204,10 @@ struct ReturnNode : public StmtNode{
|
||||
struct DeleteNode : public StmtNode {
|
||||
ExprNode* expr;
|
||||
DeleteNode(ExprNode* e) : expr(e) {}
|
||||
~DeleteNode(){ delete expr; }
|
||||
~DeleteNode()
|
||||
{
|
||||
delete expr;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
@@ -175,7 +223,11 @@ struct InsertNode : public StmtNode{
|
||||
ExprNode *expr1, *expr2;
|
||||
bool before;
|
||||
InsertNode(ExprNode* e1, ExprNode* e2, bool b) : expr1(e1), expr2(e2), before(b) {}
|
||||
~InsertNode(){ delete expr1;delete expr2; }
|
||||
~InsertNode()
|
||||
{
|
||||
delete expr1;
|
||||
delete expr2;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
@@ -184,7 +236,11 @@ struct CaseNode : public Node{
|
||||
ExprSeqNode* exprs;
|
||||
StmtSeqNode* stmts;
|
||||
CaseNode(ExprSeqNode* e, StmtSeqNode* s) : exprs(e), stmts(s) {}
|
||||
~CaseNode(){ delete exprs;delete stmts; }
|
||||
~CaseNode()
|
||||
{
|
||||
delete exprs;
|
||||
delete stmts;
|
||||
}
|
||||
};
|
||||
|
||||
struct SelectNode : public StmtNode {
|
||||
@@ -193,8 +249,18 @@ struct SelectNode : public StmtNode{
|
||||
vector<CaseNode*> cases;
|
||||
VarNode* sem_temp;
|
||||
SelectNode(ExprNode* e) : expr(e), defStmts(0), sem_temp(0) {}
|
||||
~SelectNode(){ delete expr;delete defStmts;delete sem_temp;for( ;cases.size();cases.pop_back() ) delete cases.back(); }
|
||||
void push_back( CaseNode *c ){ cases.push_back( c ); }
|
||||
~SelectNode()
|
||||
{
|
||||
delete expr;
|
||||
delete defStmts;
|
||||
delete sem_temp;
|
||||
for (; cases.size(); cases.pop_back())
|
||||
delete cases.back();
|
||||
}
|
||||
void push_back(CaseNode* c)
|
||||
{
|
||||
cases.push_back(c);
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
@@ -205,7 +271,11 @@ struct RepeatNode : public StmtNode{
|
||||
ExprNode* expr;
|
||||
string sem_brk;
|
||||
RepeatNode(StmtSeqNode* s, ExprNode* e, int up) : stmts(s), expr(e), untilPos(up) {}
|
||||
~RepeatNode(){ delete stmts;delete expr; }
|
||||
~RepeatNode()
|
||||
{
|
||||
delete stmts;
|
||||
delete expr;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
@@ -213,7 +283,10 @@ struct RepeatNode : public StmtNode{
|
||||
struct ReadNode : public StmtNode {
|
||||
VarNode* var;
|
||||
ReadNode(VarNode* v) : var(v) {}
|
||||
~ReadNode(){ delete var; }
|
||||
~ReadNode()
|
||||
{
|
||||
delete var;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
void translate(Codegen* g);
|
||||
};
|
||||
|
||||
+58
-29
@@ -1,16 +1,18 @@
|
||||
|
||||
#include "std.hpp"
|
||||
#include <cctype>
|
||||
#include "toker.hpp"
|
||||
#include <cctype>
|
||||
#include "ex.hpp"
|
||||
#include "std.hpp"
|
||||
|
||||
int Toker::chars_toked;
|
||||
|
||||
static map<string, int> alphaTokes, lowerTokes;
|
||||
|
||||
static void makeKeywords(){
|
||||
static void makeKeywords()
|
||||
{
|
||||
static bool made;
|
||||
if( made ) return;
|
||||
if (made)
|
||||
return;
|
||||
|
||||
alphaTokes["Dim"] = DIM;
|
||||
alphaTokes["Goto"] = GOTO;
|
||||
@@ -86,44 +88,53 @@ static void makeKeywords(){
|
||||
made = true;
|
||||
}
|
||||
|
||||
Toker::Toker( istream &in ):in(in),curr_row(-1){
|
||||
Toker::Toker(istream& in) : in(in), curr_row(-1)
|
||||
{
|
||||
makeKeywords();
|
||||
nextline();
|
||||
}
|
||||
|
||||
map<string,int> &Toker::getKeywords(){
|
||||
map<string, int>& Toker::getKeywords()
|
||||
{
|
||||
makeKeywords();
|
||||
return alphaTokes;
|
||||
}
|
||||
|
||||
int Toker::pos(){
|
||||
int Toker::pos()
|
||||
{
|
||||
return ((curr_row) << 16) | (tokes[curr_toke].from);
|
||||
}
|
||||
|
||||
int Toker::curr(){
|
||||
int Toker::curr()
|
||||
{
|
||||
return tokes[curr_toke].n;
|
||||
}
|
||||
|
||||
string Toker::text(){
|
||||
string Toker::text()
|
||||
{
|
||||
int from = tokes[curr_toke].from, to = tokes[curr_toke].to;
|
||||
return line.substr(from, to - from);
|
||||
}
|
||||
|
||||
int Toker::lookAhead( int n ){
|
||||
int Toker::lookAhead(int n)
|
||||
{
|
||||
return tokes[curr_toke + n].n;
|
||||
}
|
||||
|
||||
void Toker::nextline(){
|
||||
void Toker::nextline()
|
||||
{
|
||||
++curr_row;
|
||||
curr_toke = 0;
|
||||
tokes.clear();
|
||||
if (in.eof()) {
|
||||
line.resize(1);line[0]=EOF;
|
||||
line.resize(1);
|
||||
line[0] = EOF;
|
||||
tokes.push_back(Toke(EOF, 0, 1));
|
||||
return;
|
||||
}
|
||||
|
||||
getline( in,line );line+='\n';
|
||||
getline(in, line);
|
||||
line += '\n';
|
||||
chars_toked += line.size();
|
||||
|
||||
for (int k = 0; k < line.size();) {
|
||||
@@ -132,20 +143,27 @@ void Toker::nextline(){
|
||||
tokes.push_back(Toke(c, from, ++k));
|
||||
continue;
|
||||
}
|
||||
if( isspace( c ) ){ ++k;continue; }
|
||||
if (isspace(c)) {
|
||||
++k;
|
||||
continue;
|
||||
}
|
||||
if (c == ';') {
|
||||
for( ++k;line[k]!='\n';++k ){}
|
||||
for (++k; line[k] != '\n'; ++k) {
|
||||
}
|
||||
continue;
|
||||
}
|
||||
if (c == '.' && isdigit(line[k + 1])) {
|
||||
for( k+=2;isdigit( line[k] );++k ){}
|
||||
for (k += 2; isdigit(line[k]); ++k) {
|
||||
}
|
||||
tokes.push_back(Toke(FLOATCONST, from, k));
|
||||
continue;
|
||||
}
|
||||
if (isdigit(c)) {
|
||||
for( ++k;isdigit( line[k] );++k ){}
|
||||
for (++k; isdigit(line[k]); ++k) {
|
||||
}
|
||||
if (line[k] == '.') {
|
||||
for( ++k;isdigit( line[k] );++k ){}
|
||||
for (++k; isdigit(line[k]); ++k) {
|
||||
}
|
||||
tokes.push_back(Toke(FLOATCONST, from, k));
|
||||
continue;
|
||||
}
|
||||
@@ -153,33 +171,39 @@ void Toker::nextline(){
|
||||
continue;
|
||||
}
|
||||
if (c == '%' && (line[k + 1] == '0' || line[k + 1] == '1')) {
|
||||
for( k+=2;line[k]=='0'||line[k]=='1';++k ){}
|
||||
for (k += 2; line[k] == '0' || line[k] == '1'; ++k) {
|
||||
}
|
||||
tokes.push_back(Toke(BINCONST, from, k));
|
||||
continue;
|
||||
}
|
||||
if (c == '$' && isxdigit(line[k + 1])) {
|
||||
for( k+=2;isxdigit( line[k] );++k ){}
|
||||
for (k += 2; isxdigit(line[k]); ++k) {
|
||||
}
|
||||
tokes.push_back(Toke(HEXCONST, from, k));
|
||||
continue;
|
||||
}
|
||||
if (isalpha(c)) {
|
||||
for( ++k;isalnum( line[k] ) || line[k]=='_';++k ){}
|
||||
for (++k; isalnum(line[k]) || line[k] == '_'; ++k) {
|
||||
}
|
||||
|
||||
string ident = tolower(line.substr(from, k - from));
|
||||
|
||||
if (line[k] == ' ' && isalpha(line[k + 1])) {
|
||||
int t = k;
|
||||
for( t+=2;isalnum( line[t] ) || line[t]=='_';++t ){}
|
||||
for (t += 2; isalnum(line[t]) || line[t] == '_'; ++t) {
|
||||
}
|
||||
string s = tolower(line.substr(from, t - from));
|
||||
if (lowerTokes.find(s) != lowerTokes.end()) {
|
||||
k=t;ident=s;
|
||||
k = t;
|
||||
ident = s;
|
||||
}
|
||||
}
|
||||
|
||||
map<string, int>::iterator it = lowerTokes.find(ident);
|
||||
|
||||
if (it == lowerTokes.end()) {
|
||||
for( int n=from;n<k;++n ) line[n]=tolower(line[n]);
|
||||
for (int n = from; n < k; ++n)
|
||||
line[n] = tolower(line[n]);
|
||||
tokes.push_back(Toke(IDENT, from, k));
|
||||
continue;
|
||||
}
|
||||
@@ -188,8 +212,10 @@ void Toker::nextline(){
|
||||
continue;
|
||||
}
|
||||
if (c == '\"') {
|
||||
for( ++k;line[k]!='\"' && line[k]!='\n';++k ){}
|
||||
if( line[k]=='\"' ) ++k;
|
||||
for (++k; line[k] != '\"' && line[k] != '\n'; ++k) {
|
||||
}
|
||||
if (line[k] == '\"')
|
||||
++k;
|
||||
tokes.push_back(Toke(STRINGCONST, from, k));
|
||||
continue;
|
||||
}
|
||||
@@ -208,10 +234,13 @@ void Toker::nextline(){
|
||||
}
|
||||
tokes.push_back(Toke(c, from, ++k));
|
||||
}
|
||||
if( !tokes.size() ) exit(0);
|
||||
if (!tokes.size())
|
||||
exit(0);
|
||||
}
|
||||
|
||||
int Toker::next(){
|
||||
if( ++curr_toke==tokes.size() ) nextline();
|
||||
int Toker::next()
|
||||
{
|
||||
if (++curr_toke == tokes.size())
|
||||
nextline();
|
||||
return curr();
|
||||
}
|
||||
|
||||
+70
-18
@@ -9,27 +9,79 @@
|
||||
#define TOKER_H
|
||||
|
||||
enum {
|
||||
DIM=0x8000,GOTO,GOSUB,EXIT,RETURN,
|
||||
IF,THEN,ELSE,ENDIF,ELSEIF,
|
||||
WHILE,WEND,
|
||||
FOR,TO,STEP,NEXT,
|
||||
FUNCTION,ENDFUNCTION,
|
||||
TYPE,ENDTYPE,EACH,
|
||||
GLOBAL,LOCAL,FIELD,BBCONST,
|
||||
SELECT,CASE,DEFAULT,ENDSELECT,
|
||||
REPEAT,UNTIL,FOREVER,
|
||||
DATA,READ,RESTORE,
|
||||
ABS,SGN,MOD,
|
||||
PI,BBTRUE,BBFALSE,
|
||||
BBINT,BBFLOAT,BBSTR,
|
||||
DIM = 0x8000,
|
||||
GOTO,
|
||||
GOSUB,
|
||||
EXIT,
|
||||
RETURN,
|
||||
IF,
|
||||
THEN,
|
||||
ELSE,
|
||||
ENDIF,
|
||||
ELSEIF,
|
||||
WHILE,
|
||||
WEND,
|
||||
FOR,
|
||||
TO,
|
||||
STEP,
|
||||
NEXT,
|
||||
FUNCTION,
|
||||
ENDFUNCTION,
|
||||
TYPE,
|
||||
ENDTYPE,
|
||||
EACH,
|
||||
GLOBAL,
|
||||
LOCAL,
|
||||
FIELD,
|
||||
BBCONST,
|
||||
SELECT,
|
||||
CASE,
|
||||
DEFAULT,
|
||||
ENDSELECT,
|
||||
REPEAT,
|
||||
UNTIL,
|
||||
FOREVER,
|
||||
DATA,
|
||||
READ,
|
||||
RESTORE,
|
||||
ABS,
|
||||
SGN,
|
||||
MOD,
|
||||
PI,
|
||||
BBTRUE,
|
||||
BBFALSE,
|
||||
BBINT,
|
||||
BBFLOAT,
|
||||
BBSTR,
|
||||
INCLUDE,
|
||||
|
||||
BBNEW,BBDELETE,FIRST,LAST,INSERT,BEFORE,AFTER,BBNULL,
|
||||
OBJECT,BBHANDLE,
|
||||
AND,OR,XOR,NOT,SHL,SHR,SAR,
|
||||
BBNEW,
|
||||
BBDELETE,
|
||||
FIRST,
|
||||
LAST,
|
||||
INSERT,
|
||||
BEFORE,
|
||||
AFTER,
|
||||
BBNULL,
|
||||
OBJECT,
|
||||
BBHANDLE,
|
||||
AND,
|
||||
OR,
|
||||
XOR,
|
||||
NOT,
|
||||
SHL,
|
||||
SHR,
|
||||
SAR,
|
||||
|
||||
LE,GE,NE,
|
||||
IDENT,INTCONST,BINCONST,HEXCONST,FLOATCONST,STRINGCONST
|
||||
LE,
|
||||
GE,
|
||||
NE,
|
||||
IDENT,
|
||||
INTCONST,
|
||||
BINCONST,
|
||||
HEXCONST,
|
||||
FLOATCONST,
|
||||
STRINGCONST
|
||||
};
|
||||
|
||||
class Toker {
|
||||
|
||||
+27
-14
@@ -1,51 +1,64 @@
|
||||
|
||||
#include "std.hpp"
|
||||
#include "type.hpp"
|
||||
#include "std.hpp"
|
||||
|
||||
static struct v_type : public Type {
|
||||
bool canCastTo( Type *t ){
|
||||
bool canCastTo(Type* t)
|
||||
{
|
||||
return t == Type::void_type;
|
||||
}
|
||||
} v;
|
||||
|
||||
static struct i_type : public Type {
|
||||
bool intType(){
|
||||
bool intType()
|
||||
{
|
||||
return true;
|
||||
}
|
||||
bool canCastTo( Type *t ){
|
||||
bool canCastTo(Type* t)
|
||||
{
|
||||
return t == Type::int_type || t == Type::float_type || t == Type::string_type;
|
||||
}
|
||||
} i;
|
||||
|
||||
static struct f_type : public Type {
|
||||
bool floatType(){
|
||||
bool floatType()
|
||||
{
|
||||
return true;
|
||||
}
|
||||
bool canCastTo( Type *t ){
|
||||
bool canCastTo(Type* t)
|
||||
{
|
||||
return t == Type::int_type || t == Type::float_type || t == Type::string_type;
|
||||
}
|
||||
} f;
|
||||
|
||||
static struct s_type : public Type {
|
||||
bool stringType(){
|
||||
bool stringType()
|
||||
{
|
||||
return true;
|
||||
}
|
||||
bool canCastTo( Type *t ){
|
||||
bool canCastTo(Type* t)
|
||||
{
|
||||
return t == Type::int_type || t == Type::float_type || t == Type::string_type;
|
||||
}
|
||||
} s;
|
||||
|
||||
bool StructType::canCastTo( Type *t ){
|
||||
bool StructType::canCastTo(Type* t)
|
||||
{
|
||||
return t == this || t == Type::null_type || (this == Type::null_type && t->structType());
|
||||
}
|
||||
|
||||
bool VectorType::canCastTo( Type *t ){
|
||||
if( this==t ) return true;
|
||||
bool VectorType::canCastTo(Type* t)
|
||||
{
|
||||
if (this == t)
|
||||
return true;
|
||||
if (VectorType* v = t->vectorType()) {
|
||||
if( elementType!=v->elementType ) return false;
|
||||
if( sizes.size()!=v->sizes.size() ) return false;
|
||||
if (elementType != v->elementType)
|
||||
return false;
|
||||
if (sizes.size() != v->sizes.size())
|
||||
return false;
|
||||
for (int k = 0; k < sizes.size(); ++k) {
|
||||
if( sizes[k]!=v->sizes[k] ) return false;
|
||||
if (sizes[k] != v->sizes[k])
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
+66
-17
@@ -13,19 +13,46 @@ struct VectorType;
|
||||
struct Type {
|
||||
virtual ~Type() {}
|
||||
|
||||
virtual bool intType(){ return 0;}
|
||||
virtual bool floatType(){ return 0; }
|
||||
virtual bool stringType(){ return 0; }
|
||||
virtual bool intType()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
virtual bool floatType()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
virtual bool stringType()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
//casts to inherited types
|
||||
virtual FuncType *funcType(){ return 0; }
|
||||
virtual ArrayType *arrayType(){ return 0; }
|
||||
virtual StructType *structType(){ return 0; }
|
||||
virtual ConstType *constType(){ return 0; }
|
||||
virtual VectorType *vectorType(){ return 0; }
|
||||
virtual FuncType* funcType()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
virtual ArrayType* arrayType()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
virtual StructType* structType()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
virtual ConstType* constType()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
virtual VectorType* vectorType()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
//operators
|
||||
virtual bool canCastTo( Type *t ){ return this==t; }
|
||||
virtual bool canCastTo(Type* t)
|
||||
{
|
||||
return this == t;
|
||||
}
|
||||
|
||||
//built in types
|
||||
static Type *void_type, *int_type, *float_type, *string_type, *null_type;
|
||||
@@ -36,14 +63,24 @@ struct FuncType : public Type{
|
||||
DeclSeq* params;
|
||||
bool userlib, cfunc;
|
||||
FuncType(Type* t, DeclSeq* p, bool ulib, bool cfn) : returnType(t), params(p), userlib(ulib), cfunc(cfn) {}
|
||||
~FuncType(){ delete params; }
|
||||
FuncType *funcType(){ return this; }
|
||||
~FuncType()
|
||||
{
|
||||
delete params;
|
||||
}
|
||||
FuncType* funcType()
|
||||
{
|
||||
return this;
|
||||
}
|
||||
};
|
||||
|
||||
struct ArrayType : public Type {
|
||||
Type *elementType;int dims;
|
||||
Type* elementType;
|
||||
int dims;
|
||||
ArrayType(Type* t, int n) : elementType(t), dims(n) {}
|
||||
ArrayType *arrayType(){ return this; }
|
||||
ArrayType* arrayType()
|
||||
{
|
||||
return this;
|
||||
}
|
||||
};
|
||||
|
||||
struct StructType : public Type {
|
||||
@@ -51,8 +88,14 @@ struct StructType : public Type{
|
||||
DeclSeq* fields;
|
||||
StructType(const string& i) : ident(i), fields(0) {}
|
||||
StructType(const string& i, DeclSeq* f) : ident(i), fields(f) {}
|
||||
~StructType(){ delete fields; }
|
||||
StructType *structType(){ return this; }
|
||||
~StructType()
|
||||
{
|
||||
delete fields;
|
||||
}
|
||||
StructType* structType()
|
||||
{
|
||||
return this;
|
||||
}
|
||||
virtual bool canCastTo(Type* t);
|
||||
};
|
||||
|
||||
@@ -64,7 +107,10 @@ struct ConstType : public Type{
|
||||
ConstType(int n) : intValue(n), valueType(Type::int_type) {}
|
||||
ConstType(float n) : floatValue(n), valueType(Type::float_type) {}
|
||||
ConstType(const string& n) : stringValue(n), valueType(Type::string_type) {}
|
||||
ConstType *constType(){ return this; }
|
||||
ConstType* constType()
|
||||
{
|
||||
return this;
|
||||
}
|
||||
};
|
||||
|
||||
struct VectorType : public Type {
|
||||
@@ -72,7 +118,10 @@ struct VectorType : public Type{
|
||||
Type* elementType;
|
||||
vector<int> sizes;
|
||||
VectorType(const string& l, Type* t, const vector<int>& szs) : label(l), elementType(t), sizes(szs) {}
|
||||
VectorType *vectorType(){ return this; }
|
||||
VectorType* vectorType()
|
||||
{
|
||||
return this;
|
||||
}
|
||||
virtual bool canCastTo(Type* t);
|
||||
};
|
||||
|
||||
|
||||
@@ -5,7 +5,6 @@
|
||||
struct Type;
|
||||
|
||||
struct Var {
|
||||
|
||||
int index;
|
||||
Type* type;
|
||||
|
||||
|
||||
+66
-34
@@ -1,39 +1,47 @@
|
||||
|
||||
#include "std.hpp"
|
||||
#include "nodes.hpp"
|
||||
#include "std.hpp"
|
||||
|
||||
//////////////////////////////////
|
||||
// Common get/set for variables //
|
||||
//////////////////////////////////
|
||||
TNode *VarNode::load( Codegen *g ){
|
||||
TNode* VarNode::load(Codegen* g)
|
||||
{
|
||||
TNode* t = translate(g);
|
||||
if( sem_type==Type::string_type ) return call( "__bbStrLoad",t );
|
||||
if (sem_type == Type::string_type)
|
||||
return call("__bbStrLoad", t);
|
||||
return mem(t);
|
||||
}
|
||||
|
||||
TNode *VarNode::store( Codegen *g,TNode *n ){
|
||||
TNode* VarNode::store(Codegen* g, TNode* n)
|
||||
{
|
||||
TNode* t = translate(g);
|
||||
if( sem_type->structType() ) return call( "__bbObjStore",t,n );
|
||||
if( sem_type==Type::string_type ) return call( "__bbStrStore",t,n );
|
||||
if (sem_type->structType())
|
||||
return call("__bbObjStore", t, n);
|
||||
if (sem_type == Type::string_type)
|
||||
return call("__bbStrStore", t, n);
|
||||
return move(n, mem(t));
|
||||
}
|
||||
|
||||
bool VarNode::isObjParam(){
|
||||
bool VarNode::isObjParam()
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
//////////////////
|
||||
// Declared var //
|
||||
//////////////////
|
||||
void DeclVarNode::semant( Environ *e ){
|
||||
}
|
||||
void DeclVarNode::semant(Environ* e) {}
|
||||
|
||||
TNode *DeclVarNode::translate( Codegen *g ){
|
||||
if( sem_decl->kind==DECL_GLOBAL ) return global( "_v"+sem_decl->name );
|
||||
TNode* DeclVarNode::translate(Codegen* g)
|
||||
{
|
||||
if (sem_decl->kind == DECL_GLOBAL)
|
||||
return global("_v" + sem_decl->name);
|
||||
return local(sem_decl->offset);
|
||||
}
|
||||
|
||||
TNode *DeclVarNode::store( Codegen *g,TNode *n ){
|
||||
TNode* DeclVarNode::store(Codegen* g, TNode* n)
|
||||
{
|
||||
if (isObjParam()) {
|
||||
TNode* t = translate(g);
|
||||
return move(n, mem(t));
|
||||
@@ -41,23 +49,30 @@ TNode *DeclVarNode::store( Codegen *g,TNode *n ){
|
||||
return VarNode::store(g, n);
|
||||
}
|
||||
|
||||
bool DeclVarNode::isObjParam(){
|
||||
bool DeclVarNode::isObjParam()
|
||||
{
|
||||
return sem_type->structType() && sem_decl->kind == DECL_PARAM;
|
||||
}
|
||||
|
||||
///////////////
|
||||
// Ident var //
|
||||
///////////////
|
||||
void IdentVarNode::semant( Environ *e ){
|
||||
if( sem_decl ) return;
|
||||
Type *t=tagType( tag,e );if( !t ) t=Type::int_type;
|
||||
void IdentVarNode::semant(Environ* e)
|
||||
{
|
||||
if (sem_decl)
|
||||
return;
|
||||
Type* t = tagType(tag, e);
|
||||
if (!t)
|
||||
t = Type::int_type;
|
||||
if (sem_decl = e->findDecl(ident)) {
|
||||
if (!(sem_decl->kind & (DECL_GLOBAL | DECL_LOCAL | DECL_PARAM))) {
|
||||
ex("Identifier '" + sem_decl->name + "' may not be used like this");
|
||||
}
|
||||
Type* ty = sem_decl->type;
|
||||
if( ty->constType() ) ty=ty->constType()->valueType;
|
||||
if( tag.size() && t!=ty ) ex( "Variable type mismatch" );
|
||||
if (ty->constType())
|
||||
ty = ty->constType()->valueType;
|
||||
if (tag.size() && t != ty)
|
||||
ex("Variable type mismatch");
|
||||
} else {
|
||||
//ugly auto decl!
|
||||
sem_decl = e->decls->insertDecl(ident, t, DECL_LOCAL);
|
||||
@@ -68,19 +83,24 @@ void IdentVarNode::semant( Environ *e ){
|
||||
/////////////////
|
||||
// Indexed Var //
|
||||
/////////////////
|
||||
void ArrayVarNode::semant( Environ *e ){
|
||||
void ArrayVarNode::semant(Environ* e)
|
||||
{
|
||||
exprs->semant(e);
|
||||
exprs->castTo(Type::int_type, e);
|
||||
Type* t = e->findType(tag);
|
||||
sem_decl = e->findDecl(ident);
|
||||
if( !sem_decl || !(sem_decl->kind&DECL_ARRAY) ) ex( "Array not found" );
|
||||
if (!sem_decl || !(sem_decl->kind & DECL_ARRAY))
|
||||
ex("Array not found");
|
||||
ArrayType* a = sem_decl->type->arrayType();
|
||||
if( t && t!=a->elementType ) ex( "array type mismtach" );
|
||||
if( a->dims!=exprs->size() ) ex( "incorrect number of dimensions" );
|
||||
if (t && t != a->elementType)
|
||||
ex("array type mismtach");
|
||||
if (a->dims != exprs->size())
|
||||
ex("incorrect number of dimensions");
|
||||
sem_type = a->elementType;
|
||||
}
|
||||
|
||||
TNode *ArrayVarNode::translate( Codegen *g ){
|
||||
TNode* ArrayVarNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t = 0;
|
||||
for (int k = 0; k < exprs->size(); ++k) {
|
||||
TNode* e = exprs->exprs[k]->translate(g);
|
||||
@@ -91,7 +111,8 @@ TNode *ArrayVarNode::translate( Codegen *g ){
|
||||
if (g->debug) {
|
||||
TNode* s = mem(add(global("_a" + ident), iconst(k * 4 + 12)));
|
||||
t = jumpge(e, s, "__bbArrayBoundsEx");
|
||||
}else t=e;
|
||||
} else
|
||||
t = e;
|
||||
}
|
||||
t = add(mem(global("_a" + ident)), mul(t, iconst(4)));
|
||||
return t;
|
||||
@@ -100,30 +121,40 @@ TNode *ArrayVarNode::translate( Codegen *g ){
|
||||
///////////////
|
||||
// Field var //
|
||||
///////////////
|
||||
void FieldVarNode::semant( Environ *e ){
|
||||
void FieldVarNode::semant(Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
StructType* s = expr->sem_type->structType();
|
||||
if( !s ) ex( "Variable must be a Type" );
|
||||
if (!s)
|
||||
ex("Variable must be a Type");
|
||||
sem_field = s->fields->findDecl(ident);
|
||||
if( !sem_field ) ex( "Type field not found" );
|
||||
if (!sem_field)
|
||||
ex("Type field not found");
|
||||
sem_type = sem_field->type;
|
||||
}
|
||||
|
||||
TNode *FieldVarNode::translate( Codegen *g ){
|
||||
TNode* FieldVarNode::translate(Codegen* g)
|
||||
{
|
||||
TNode* t = expr->translate(g);
|
||||
if( g->debug ) t=jumpf( t,"__bbNullObjEx" );
|
||||
t=mem( t );if( g->debug ) t=jumpf( t,"__bbNullObjEx" );
|
||||
if (g->debug)
|
||||
t = jumpf(t, "__bbNullObjEx");
|
||||
t = mem(t);
|
||||
if (g->debug)
|
||||
t = jumpf(t, "__bbNullObjEx");
|
||||
return add(t, iconst(sem_field->offset));
|
||||
}
|
||||
|
||||
////////////////
|
||||
// Vector var //
|
||||
////////////////
|
||||
void VectorVarNode::semant( Environ *e ){
|
||||
void VectorVarNode::semant(Environ* e)
|
||||
{
|
||||
expr = expr->semant(e);
|
||||
vec_type = expr->sem_type->vectorType();
|
||||
if( !vec_type ) ex( "Variable must be a Blitz array" );
|
||||
if( vec_type->sizes.size()!=exprs->size() ) ex( "Incorrect number of subscripts" );
|
||||
if (!vec_type)
|
||||
ex("Variable must be a Blitz array");
|
||||
if (vec_type->sizes.size() != exprs->size())
|
||||
ex("Incorrect number of subscripts");
|
||||
exprs->semant(e);
|
||||
exprs->castTo(Type::int_type, e);
|
||||
for (int k = 0; k < exprs->size(); ++k) {
|
||||
@@ -136,7 +167,8 @@ void VectorVarNode::semant( Environ *e ){
|
||||
sem_type = vec_type->elementType;
|
||||
}
|
||||
|
||||
TNode *VectorVarNode::translate( Codegen *g ){
|
||||
TNode* VectorVarNode::translate(Codegen* g)
|
||||
{
|
||||
int sz = 4;
|
||||
TNode* t = 0;
|
||||
for (int k = 0; k < exprs->size(); ++k) {
|
||||
|
||||
+18
-4
@@ -21,7 +21,11 @@ struct VarNode : public Node{
|
||||
|
||||
struct DeclVarNode : public VarNode {
|
||||
Decl* sem_decl;
|
||||
DeclVarNode( Decl *d=0 ):sem_decl(d){ if( d ) sem_type=d->type; }
|
||||
DeclVarNode(Decl* d = 0) : sem_decl(d)
|
||||
{
|
||||
if (d)
|
||||
sem_type = d->type;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
virtual TNode* store(Codegen* g, TNode* n);
|
||||
@@ -39,7 +43,10 @@ struct ArrayVarNode : public VarNode{
|
||||
ExprSeqNode* exprs;
|
||||
Decl* sem_decl;
|
||||
ArrayVarNode(const string& i, const string& t, ExprSeqNode* e) : ident(i), tag(t), exprs(e) {}
|
||||
~ArrayVarNode(){ delete exprs; }
|
||||
~ArrayVarNode()
|
||||
{
|
||||
delete exprs;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
@@ -49,7 +56,10 @@ struct FieldVarNode : public VarNode{
|
||||
string ident, tag;
|
||||
Decl* sem_field;
|
||||
FieldVarNode(ExprNode* e, const string& i, const string& t) : expr(e), ident(i), tag(t) {}
|
||||
~FieldVarNode(){ delete expr; }
|
||||
~FieldVarNode()
|
||||
{
|
||||
delete expr;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
@@ -59,7 +69,11 @@ struct VectorVarNode : public VarNode{
|
||||
ExprSeqNode* exprs;
|
||||
VectorType* vec_type;
|
||||
VectorVarNode(ExprNode* e, ExprSeqNode* es) : expr(e), exprs(es) {}
|
||||
~VectorVarNode(){ delete expr;delete exprs; }
|
||||
~VectorVarNode()
|
||||
{
|
||||
delete expr;
|
||||
delete exprs;
|
||||
}
|
||||
void semant(Environ* e);
|
||||
TNode* translate(Codegen* g);
|
||||
};
|
||||
|
||||
Reference in New Issue
Block a user