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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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32
ccompiler/frontend/lexer/token.c
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@@ -1,12 +1,12 @@
#define FRONTEND_IMPLEMENTATION
#include "../frontend.h"
#include <lib/core.h>
#include "lexer_log.h"
#include "token.h"
#define ROUND_IDX(idx) ((idx) % tokbuf->cap)
tok_t* pop_tok(tok_buf_t* tokbuf) {
tok_t* pop_tok(tok_stream_t* tokbuf) {
if (tokbuf->size == 0) {
error("no token to pop");
LEX_ERROR("no token to pop");
return NULL;
}
int idx = tokbuf->cur;
@@ -15,11 +15,11 @@ tok_t* pop_tok(tok_buf_t* tokbuf) {
return tokbuf->buf + idx;
}
void flush_peek_tok(tok_buf_t* tokbuf) {
void flush_peek_tok(tok_stream_t* tokbuf) {
tokbuf->peek = tokbuf->cur;
}
void init_tokbuf(tok_buf_t *tokbuf, void *stream, get_tokbuf_func gettok) {
void init_tokbuf(tok_stream_t *tokbuf, void *stream, tok_stream_get_func gettok) {
tokbuf->cur = 0;
tokbuf->end = 0;
tokbuf->peek = 0;
@@ -30,18 +30,19 @@ void init_tokbuf(tok_buf_t *tokbuf, void *stream, get_tokbuf_func gettok) {
tokbuf->cap = 0;
}
tok_t *peek_tok(tok_buf_t *tokbuf) {
tok_t *peek_tok(tok_stream_t *tokbuf) {
Assert(tokbuf->size <= tokbuf->cap);
int idx = tokbuf->peek;
tokbuf->peek = ROUND_IDX(idx + 1);
if (tokbuf->size >= tokbuf->cap) {
error("peek too deep, outof array size");
}
if (idx == tokbuf->end) {
if (tokbuf->size == tokbuf->cap) {
error("peek_tok buffer overflow");
LEX_ERROR("peek_tok buffer overflow");
return NULL;
}
if (tokbuf->gettok == NULL) {
error("peek_tok can not got tok");
LEX_ERROR("peek_tok can not got tok");
return NULL;
}
tokbuf->gettok(tokbuf->stream, &(tokbuf->buf[idx]));
tokbuf->size++;
@@ -51,15 +52,16 @@ tok_t *peek_tok(tok_buf_t *tokbuf) {
return &(tokbuf->buf[idx]);
}
tok_type_t peek_tok_type(tok_buf_t* tokbuf) {
tok_type_t peek_tok_type(tok_stream_t* tokbuf) {
return peek_tok(tokbuf)->type;
}
int expect_pop_tok(tok_buf_t* tokbuf, tok_type_t type) {
int expect_pop_tok(tok_stream_t* tokbuf, tok_type_t type) {
flush_peek_tok(tokbuf);
tok_t* tok = peek_tok(tokbuf);
if (tok->type != type) {
error("expected tok: %s, got %s", get_tok_name(type), get_tok_name(tok->type));
LEX_ERROR("expected tok `%s` but got `%s`", get_tok_name(type), get_tok_name(tok->type));
return 0;
} else {
pop_tok(tokbuf);
}