Michael Fabian 'Xaymar' Dirks
c4947bd12a
compiler is blitzcc, what I previously called compiler is now compiler_lib
338 lines
7.9 KiB
C++
338 lines
7.9 KiB
C++
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#pragma warning(disable : 4786)
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#include "libs.hpp"
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#include <fstream>
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#include <iomanip>
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#include <iostream>
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#include <list>
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#include <map>
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#include <set>
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#include <string>
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#include <vector>
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#include <assem_x86/assem_x86.hpp>
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#include <bbruntime_dll.hpp>
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#include <codegen_x86/codegen_x86.hpp>
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#include <config.hpp>
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#include <environ.hpp>
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#include <ex.hpp>
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#include <linker.hpp>
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#include <parser.hpp>
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#include <stdutil.hpp>
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static void showInfo()
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{
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const int major = (VERSION & 0xffff) / 100, minor = (VERSION & 0xffff) % 100;
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std::cout << "BlitzCC V" << major << "." << minor << std::endl;
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std::cout << "(C)opyright 2000-2003 Blitz Research Ltd" << std::endl;
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}
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static void showUsage()
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{
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std::cout << "Usage: blitzcc [-h|-q|+q|-c|-d|-k|+k|-v|-o exefile] [sourcefile.bb]" << std::endl;
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}
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static void showHelp()
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{
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showUsage();
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std::cout << "-h : show this help" << std::endl;
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std::cout << "-q : quiet mode" << std::endl;
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std::cout << "+q : very quiet mode" << std::endl;
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std::cout << "-c : compile only" << std::endl;
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std::cout << "-d : debug compile" << std::endl;
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std::cout << "-k : dump keywords" << std::endl;
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std::cout << "+k : dump keywords and syntax" << std::endl;
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std::cout << "-v : version info" << std::endl;
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std::cout << "-o exefile : generate executable" << std::endl;
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}
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static void err(const std::string& t)
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{
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throw std::runtime_error(t);
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}
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static void usageErr()
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{
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err("Usage error");
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}
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static std::string quickHelp(const std::string& kw)
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{
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Environ* e = runtimeEnviron;
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Decl* d = e->funcDecls->findDecl(tolower(kw));
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if (!d || d->type->funcType() == 0)
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return "No quick help available for " + kw;
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std::string t = kw;
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FuncType* f = d->type->funcType();
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if (f->returnType == Type::float_type)
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t += '#';
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else if (f->returnType == Type::string_type)
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t += '$';
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t += " ";
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if (f->returnType != Type::void_type)
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t += "( ";
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for (int k = 0; k < f->params->size(); ++k) {
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std::string s;
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if (k)
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s += ',';
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Decl* p = f->params->decls[k];
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s += p->name;
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if (p->type == Type::float_type)
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s += '#';
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else if (p->type == Type::string_type)
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s += '$';
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else if (p->type == Type::void_type)
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s += '*';
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if (p->defType)
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s = '[' + s + ']';
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t += s;
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}
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if (f->returnType != Type::void_type) {
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t += f->params->size() ? " )" : ")";
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}
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return t;
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}
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static void dumpKeys(bool lang, bool mod, bool help)
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{
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if (lang) {
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std::map<std::string, int>::iterator it;
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std::map<std::string, int>& keywords = Toker::getKeywords();
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for (it = keywords.begin(); it != keywords.end(); ++it) {
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if (it->first.find(' ') != std::string::npos)
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continue;
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std::cout << it->first << std::endl;
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}
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}
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if (!mod)
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return;
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for (int k = 0; k < keyWords.size(); ++k) {
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std::string t = keyWords[k];
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if (t[0] == '_')
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continue;
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if (!isalpha(t[0]))
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t = t.substr(1);
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for (int n = 0; n < t.size(); ++n) {
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if (!isalnum(t[n]) && t[n] != '_') {
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t = t.substr(0, n);
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break;
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}
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}
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if (help)
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t = quickHelp(t);
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std::cout << t << std::endl;
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}
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}
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static std::string verstr(int ver)
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{
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return itoa((ver & 65535) / 100) + "." + itoa((ver & 65535) % 100);
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}
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static void versInfo()
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{
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std::cout << "Compiler version:" << verstr(bcc_ver) << std::endl;
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std::cout << "Runtime version:" << verstr(run_ver) << std::endl;
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std::cout << "Debugger version:" << verstr(dbg_ver) << std::endl;
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std::cout << "Linker version:" << verstr(lnk_ver) << std::endl;
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}
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int main(int argc, char* argv[])
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{
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std::shared_ptr<Module> module;
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std::shared_ptr<Environ> v_environ;
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std::shared_ptr<ProgNode> prog;
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try {
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std::string in_file, out_file, args;
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bool debug = false, quiet = false, veryquiet = false, compileonly = false;
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bool dumpkeys = false, dumphelp = false, showhelp = false, dumpasm = false;
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bool versinfo = false;
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for (int k = 1; k < argc; ++k) {
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std::string t = argv[k];
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t = tolower(t);
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if (t == "-h") {
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showhelp = true;
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} else if (t == "-a") {
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dumpasm = true;
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} else if (t == "-q") {
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quiet = true;
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} else if (t == "+q") {
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quiet = veryquiet = true;
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} else if (t == "-c") {
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compileonly = true;
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} else if (t == "-d") {
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debug = true;
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} else if (t == "-k") {
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dumpkeys = true;
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} else if (t == "+k") {
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dumpkeys = dumphelp = true;
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} else if (t == "-v") {
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versinfo = true;
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} else if (t == "-o") {
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if (out_file.size() || k == argc - 1)
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usageErr();
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out_file = argv[++k];
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} else {
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if (in_file.size() || t[0] == '-' || t[0] == '+')
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usageErr();
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in_file = argv[k];
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for (++k; k < argc; ++k) {
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std::string t = argv[k];
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if (t.find(' ') != std::string::npos)
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t = '\"' + t + '\"';
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if (args.size())
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args += ' ';
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args += t;
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}
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}
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}
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if (out_file.size() && !in_file.size())
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usageErr();
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if (const char* er = openLibs())
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err(er);
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if (const char* er = linkLibs())
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err(er);
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if (showhelp)
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showHelp();
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if (dumpkeys)
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dumpKeys(true, true, dumphelp);
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if (versinfo)
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versInfo();
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if (!in_file.size()) {
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return 0;
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}
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if (in_file[0] == '\"') {
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if ((in_file.size() < 3) || (in_file[in_file.size() - 1] != '\"')) {
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usageErr();
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}
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in_file = in_file.substr(1, in_file.size() - 2);
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}
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std::ifstream in(in_file.c_str());
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if (!in)
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err("Unable to open input file");
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if (!quiet) {
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showInfo();
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std::cout << "Compiling \"" << in_file << "\"" << std::endl;
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}
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int n = in_file.rfind('/');
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if (n == std::string::npos)
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n = in_file.rfind('\\');
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if (n != std::string::npos) {
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if (!n || in_file[n - 1] == ':')
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++n;
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SetCurrentDirectory(in_file.substr(0, n).c_str());
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}
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try {
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//parse
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if (!veryquiet)
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std::cout << "Parsing..." << std::endl;
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Toker toker(in);
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Parser parser(toker);
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prog = parser.parse(in_file);
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//semant
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if (!veryquiet)
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std::cout << "Generating..." << std::endl;
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v_environ = prog->semant(runtimeEnviron);
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//translate
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if (!veryquiet)
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std::cout << "Translating..." << std::endl;
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qstreambuf qbuf;
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std::iostream asmcode(&qbuf);
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Codegen_x86 codegen(asmcode, debug);
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prog->translate(&codegen, userFuncs);
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if (dumpasm) {
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std::cout << std::endl << std::string(qbuf.data(), qbuf.size()) << std::endl;
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}
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//assemble
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if (!veryquiet)
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std::cout << "Assembling..." << std::endl;
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module = linkerLib->createModule();
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Assem_x86 assem(asmcode, module);
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assem.assemble();
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} catch (Ex& x) {
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std::string file = '\"' + x.file + '\"';
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int row = ((x.pos >> 16) & 65535) + 1, col = (x.pos & 65535) + 1;
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std::cout << file << ":" << row << ":" << col << ":" << row << ":" << col << ":" << x.ex << std::endl;
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throw std::runtime_error(file);
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}
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delete prog;
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if (out_file.size()) {
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if (!veryquiet)
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std::cout << "Creating executable \"" << out_file << "\"..." << std::endl;
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if (!module->createExe(out_file.c_str(), (home + "/bin/runtime.dll").c_str())) {
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err("Error creating executable");
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}
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} else if (!compileonly) {
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void* entry = module->link(runtimeModule);
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if (!entry)
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return 0;
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HMODULE dbgHandle = 0;
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/*std::shared_ptr<Debugger> debugger;
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if (debug) {
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dbgHandle = LoadLibrary((home + "\\debugger.dll").c_str());
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if (dbgHandle) {
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typedef Debugger*(_cdecl * GetDebugger)(Module*, Environ*);
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GetDebugger gd = (GetDebugger)GetProcAddress(dbgHandle, "debuggerGetDebugger");
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if (gd)
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debugger = gd(module, v_environ);
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}
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if (!debugger)
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err("Error launching debugger");
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}*/
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if (!veryquiet)
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std::cout << "Executing..." << std::endl;
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runtimeLib->execute((void (*)())entry, args.c_str(), nullptr);
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if (dbgHandle)
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FreeLibrary(dbgHandle);
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}
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delete module;
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delete v_environ;
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closeLibs();
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} catch (std::exception& e) {
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std::cout << "Unexpected exception: " << e.what() << std::endl;
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} catch (...) {
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std::cout << "Unexpected error." << std::endl;
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}
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std::cin.get();
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return 0;
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} |