compiler: Move and modernize

compiler is blitzcc, what I previously called compiler is now compiler_lib
2019-01-19 18:28:07 +01:00
parent d7fc9de5e2
commit c4947bd12a
79 changed files with 6544 additions and 4853 deletions
@@ -0,0 +1,92 @@
+#pragma once
+#include <string>
+#include <ostream>
+
+enum {
+	IR_JUMP,
+	IR_JUMPT,
+	IR_JUMPF,
+	IR_JUMPGE,
+
+	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_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,
+};
+
+struct TNode {
+	int    op;     //opcode
+	TNode *l, *r;  //args
+	int    iconst; //for CONST type_int
+	std::string sconst; //for CONST type_string
+
+	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 std::string& s) : op(op), l(l), r(r), iconst(0), sconst(s) {}
+	~TNode()
+	{
+		delete l;
+		delete r;
+	}
+
+	void log();
+};
+
+class Codegen {
+	public:
+	std::ostream& out;
+	bool     debug;
+	Codegen(std::ostream& out, bool debug) : out(out), debug(debug) {}
+
+	virtual void enter(const std::string& l, int frameSize)              = 0;
+	virtual void code(TNode* code)                             = 0;
+	virtual void leave(TNode* cleanup, int pop_sz)             = 0;
+	virtual void label(const std::string& l)                             = 0;
+	virtual void i_data(int i, const std::string& l = "")                = 0;
+	virtual void s_data(const std::string& s, const std::string& l = "") = 0;
+	virtual void p_data(const std::string& p, const std::string& l = "") = 0;
+	virtual void align_data(int n)                             = 0;
+	virtual void flush()                                       = 0;
+};