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refactor: 重构前端代码并添加日志功能

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- 重命名和重构了多个文件，包括 lexer、parser 和 AST 相关代码
- 添加了日志功能，使用 LOG_* 宏替代原有的 error 和 warn 函数
- 优化了错误处理和内存分配方式
- 调整了代码结构，提高了模块化和可读性
This commit is contained in:
ZZY
2025-03-19 12:22:55 +08:00
parent 172d72b0a0
commit 05c637e594
76 changed files with 1479 additions and 310 deletions
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36
ccompiler/frontend/parser/ast/expr.c
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@@ -1,5 +1,5 @@
#include "../ast.h"
#include "../parser.h"
#include "ast.h"
#include "../symtab/symtab.h"
// Copy from `CParse`
@@ -33,7 +33,7 @@ enum ParseType {
PREFIX_PARSER,
};
static ast_node_t *parse_subexpression(tok_buf_t* tokbuf, symtab_t *symtab, enum Precedence prec);
static ast_node_t *parse_subexpression(tok_stream_t* tokbuf, symtab_t *symtab, enum Precedence prec);
#define NEXT(prec) parse_subexpression(tokbuf, symtab, prec)
static ast_node_t* gen_node2(ast_node_t* left, ast_node_t* right,
@@ -72,7 +72,7 @@ static ast_node_t* gen_node2(ast_node_t* left, ast_node_t* right,
// }
}
static ast_node_t* parse_comma(tok_buf_t* tokbuf, symtab_t *symtab, ast_node_t* left) {
static ast_node_t* parse_comma(tok_stream_t* tokbuf, symtab_t *symtab, ast_node_t* left) {
ast_node_t* node = new_ast_node();
node->type = NT_COMMA;
node->expr.left = left;
@@ -80,7 +80,7 @@ static ast_node_t* parse_comma(tok_buf_t* tokbuf, symtab_t *symtab, ast_node_t*
return node;
}
static ast_node_t* parse_assign(tok_buf_t* tokbuf, symtab_t *symtab, ast_node_t* left) {
static ast_node_t* parse_assign(tok_stream_t* tokbuf, symtab_t *symtab, ast_node_t* left) {
flush_peek_tok(tokbuf);
tok_type_t ttype = peek_tok_type(tokbuf);
pop_tok(tokbuf);
@@ -124,14 +124,14 @@ static ast_node_t* parse_assign(tok_buf_t* tokbuf, symtab_t *symtab, ast_node_t*
left = gen_node2(left, NEXT(next), NT_XOR);
break;
default:
error("unsupported operator");
LOG_ERROR("unsupported operator");
break;
}
node->expr.right = left;
return node;
}
static ast_node_t* parse_cmp(tok_buf_t* tokbuf, symtab_t *symtab, ast_node_t* left) {
static ast_node_t* parse_cmp(tok_stream_t* tokbuf, symtab_t *symtab, ast_node_t* left) {
flush_peek_tok(tokbuf);
tok_type_t ttype = peek_tok_type(tokbuf);
pop_tok(tokbuf);
@@ -164,12 +164,12 @@ static ast_node_t* parse_cmp(tok_buf_t* tokbuf, symtab_t *symtab, ast_node_t* le
node->expr.right = NEXT(PREC_RELATIONAL);
break;
default:
error("invalid operator");
LOG_ERROR("invalid operator");
}
return node;
}
static ast_node_t* parse_cal(tok_buf_t* tokbuf, symtab_t *symtab, ast_node_t* left) {
static ast_node_t* parse_cal(tok_stream_t* tokbuf, symtab_t *symtab, ast_node_t* left) {
flush_peek_tok(tokbuf);
tok_type_t ttype = peek_tok_type(tokbuf);
pop_tok(tokbuf);
@@ -230,7 +230,7 @@ static ast_node_t* parse_cal(tok_buf_t* tokbuf, symtab_t *symtab, ast_node_t* le
return node;
}
static ast_node_t* parse_call(tok_buf_t* tokbuf, symtab_t *symtab, ast_node_t* ident) {
static ast_node_t* parse_call(tok_stream_t* tokbuf, symtab_t *symtab, ast_node_t* ident) {
ast_node_t* node = new_ast_node();
node->type = NT_TERM_CALL;
node->call.name = ident;
@@ -257,14 +257,14 @@ static ast_node_t* parse_call(tok_buf_t* tokbuf, symtab_t *symtab, ast_node_t* i
ast_node_t* sym = symtab_lookup_symbol(symtab, name);
// TODO check func is match
if (sym == NULL || sym->type != NT_DECL_FUNC) {
error("function not decl %s", name);
LOG_ERROR("function not decl %s", name);
}
node->call.name = ident;
node->call.func_decl = sym;
return node;
}
static ast_node_t* parse_paren(tok_buf_t* tokbuf, symtab_t *symtab, ast_node_t* left) {
static ast_node_t* parse_paren(tok_stream_t* tokbuf, symtab_t *symtab, ast_node_t* left) {
flush_peek_tok(tokbuf);
expect_pop_tok(tokbuf, TOKEN_L_PAREN);
left = NEXT(PREC_EXPRESSION);
@@ -273,7 +273,7 @@ static ast_node_t* parse_paren(tok_buf_t* tokbuf, symtab_t *symtab, ast_node_t*
return left;
}
typedef ast_node_t* (*parse_expr_fun_t)(tok_buf_t*, symtab_t* , ast_node_t*);
typedef ast_node_t* (*parse_expr_fun_t)(tok_stream_t*, symtab_t* , ast_node_t*);
static struct expr_prec_table_t {
parse_expr_fun_t parser;
enum Precedence prec;
@@ -322,7 +322,7 @@ static struct expr_prec_table_t {
[TOKEN_L_PAREN] = {parse_paren, PREC_POSTFIX, INFIX_PARSER},
};
static ast_node_t *parse_primary_expression(tok_buf_t* tokbuf, symtab_t *symtab) {
static ast_node_t *parse_primary_expression(tok_stream_t* tokbuf, symtab_t *symtab) {
flush_peek_tok(tokbuf);
tok_t* tok = peek_tok(tokbuf);
@@ -335,7 +335,7 @@ static ast_node_t *parse_primary_expression(tok_buf_t* tokbuf, symtab_t *symtab)
// node->data.data_type = TYPE_INT;
break;
case TOKEN_FLOAT_LITERAL:
warn("float not supported");
LOG_WARN("float not supported");
break;
case TOKEN_CHAR_LITERAL:
// node->data.data_type = TYPE_CHAR;
@@ -350,7 +350,7 @@ static ast_node_t *parse_primary_expression(tok_buf_t* tokbuf, symtab_t *symtab)
} else {
void *sym = symtab_lookup_symbol(symtab, tok->val.str);
if (sym == NULL) {
error("undefined symbol but use %s", tok->val.str);
LOG_ERROR("undefined symbol but use %s", tok->val.str);
}
node->type = NT_TERM_IDENT;
node->syms.decl_node = sym;
@@ -364,7 +364,7 @@ END:
return node;
}
static ast_node_t *parse_subexpression(tok_buf_t* tokbuf, symtab_t *symtab, enum Precedence prec) {
static ast_node_t *parse_subexpression(tok_stream_t* tokbuf, symtab_t *symtab, enum Precedence prec) {
tok_type_t ttype;
struct expr_prec_table_t* work;
ast_node_t* left;
@@ -397,7 +397,7 @@ static ast_node_t *parse_subexpression(tok_buf_t* tokbuf, symtab_t *symtab, enum
}
ast_node_t* parse_expr(parser_t* parser) {
tok_buf_t* tokbuf = &(parser->tokbuf);
tok_stream_t* tokbuf = &(parser->tokbuf);
symtab_t *symtab = parser->symtab;
flush_peek_tok(tokbuf);
tok_type_t ttype = peek_tok_type(tokbuf);
@@ -419,7 +419,7 @@ ast_node_t* parse_expr(parser_t* parser) {
case TOKEN_IDENT:
return NEXT(PREC_EXPRESSION);
default:
error("Want expr but not got %s", get_tok_name(ttype));
LOG_ERROR("Want expr but not got %s", get_tok_name(ttype));
break;
}
}