111 lines
2.1 KiB
C
111 lines
2.1 KiB
C
#pragma once
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#include "common/arch.h"
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#include "lex.h"
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#include "report.h"
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#include <stdbool.h>
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#include <stdint.h>
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typedef struct PLabel PLabel;
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struct PLabel {
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PLabel* next;
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char* ident;
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Loc loc;
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bool sub_label;
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};
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PLabel* plabel_new(PLabel* next, char* ident, bool sub_label, Loc loc);
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void plabel_free(PLabel* label);
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typedef enum {
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PoTy_Reg,
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PoTy_Imm,
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PoTy_Ident,
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PoTy_SubLabel,
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PoTy_Str,
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PoTy_Mem8,
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PoTy_Mem16,
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PoTy_Not,
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PoTy_Negate,
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PoTy_Or,
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PoTy_Xor,
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PoTy_And,
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PoTy_Shl,
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PoTy_Shr,
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PoTy_Add,
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PoTy_Sub,
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PoTy_Mul,
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PoTy_Div,
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PoTy_Mod,
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} POperandTy;
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typedef struct POperand POperand;
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struct POperand {
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POperandTy ty;
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Loc loc;
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union {
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Reg reg;
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uint16_t imm;
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struct {
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char* str;
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size_t str_len;
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};
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POperand* operand;
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struct {
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POperand* left;
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POperand* right;
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};
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};
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};
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POperand* poperand_new_reg(Reg reg, Loc loc);
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POperand* poperand_new_imm(uint16_t imm, Loc loc);
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POperand* poperand_new_str(POperandTy ty, char* str, size_t str_len, Loc loc);
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POperand* poperand_new_unary(POperandTy ty, POperand* inner, Loc loc);
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POperand* poperand_new_binary(
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POperandTy ty, POperand* left, POperand* right, Loc loc);
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void poperand_free(POperand* operand);
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typedef struct {
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PLabel* labels;
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char* op;
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Loc loc;
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size_t ops_size;
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POperand* ops[];
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} PLine;
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PLine* pline_new(
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char* op, PLabel* labels, Loc loc, size_t ops_size, POperand** ops);
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void pline_free(PLine* pline);
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typedef enum {
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PStmtTy_Line,
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PStmtTy_Global,
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PStmtTy_Extern,
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PStmtTy_Define,
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} PStmtTy;
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typedef struct {
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PStmtTy ty;
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union {
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PLine* line;
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char* ident;
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};
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} PStmt;
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void pstmt_free(PStmt* stmt);
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typedef struct {
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Lexer lexer;
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Tok tok;
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Tok eaten;
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bool error_occured;
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} Parser;
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void parser_construct(Parser* parser, const char* filename, const char* text);
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bool parser_done(const Parser* parser);
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bool parser_error_occured(const Parser* parser);
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PLine* parser_next(Parser* parser);
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