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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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14
ccompiler/frontend/parser/ast/stmt.c
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@@ -1,8 +1,8 @@
#include "../ast.h"
#include "../parser.h"
#include "ast.h"
ast_node_t* parse_stmt(parser_t* parser) {
tok_buf_t* tokbuf = &parser->tokbuf;
tok_stream_t* tokbuf = &parser->tokbuf;
flush_peek_tok(tokbuf);
tok_type_t ttype = peek_tok_type(tokbuf);
ast_node_t* node = new_ast_node();
@@ -66,7 +66,7 @@ ast_node_t* parse_stmt(parser_t* parser) {
node->do_while_stmt.body = parse_stmt(parser);
ttype = peek_tok_type(tokbuf);
if (ttype != TOKEN_WHILE) {
error("expected while after do");
LOG_ERROR("expected while after do");
}
pop_tok(tokbuf);
expect_pop_tok(tokbuf, TOKEN_L_PAREN);
@@ -83,7 +83,7 @@ ast_node_t* parse_stmt(parser_t* parser) {
pop_tok(tokbuf);
ttype = peek_tok_type(tokbuf);
if (ttype != TOKEN_L_PAREN) {
error("expected ( after for");
LOG_ERROR("expected ( after for");
}
pop_tok(tokbuf);
@@ -170,7 +170,7 @@ ast_node_t* parse_stmt(parser_t* parser) {
// find symbol table
ttype = peek_tok_type(tokbuf);
if (ttype != TOKEN_IDENT) {
error("expect identifier after goto");
LOG_ERROR("expect identifier after goto");
}
expect_pop_tok(tokbuf, TOKEN_SEMICOLON);
// TODO filling label
@@ -211,7 +211,7 @@ ast_node_t* parse_stmt(parser_t* parser) {
case TOKEN_CASE: {
// TODO label switch
pop_tok(tokbuf);
error("unimplemented switch label");
LOG_ERROR("unimplemented switch label");
node->label_stmt.label = parse_expr(parser);
// TODO 该表达式为const int
expect_pop_tok(tokbuf, TOKEN_COLON);
@@ -234,7 +234,7 @@ ast_node_t* parse_stmt(parser_t* parser) {
flush_peek_tok(tokbuf);
ttype = peek_tok_type(tokbuf);
if (ttype != TOKEN_SEMICOLON) {
error("exp must end with \";\"");
LOG_ERROR("exp must end with \";\"");
}
pop_tok(tokbuf);
node->type = NT_STMT_EXPR;