ZZY
05c637e594
- 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
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
#include "../ast.h"
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#include "../parser.h"
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#include "../type.h"
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ast_node_t* new_ast_ident_node(tok_t* tok) {
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if (tok->type != TOKEN_IDENT) {
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LOG_ERROR("syntax error: want identifier but got %d", tok->type);
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}
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ast_node_t* node = new_ast_node();
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node->type = NT_TERM_IDENT;
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node->syms.tok = *tok;
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node->syms.decl_node = NULL;
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return node;
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}
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ast_node_t* expect_pop_ident(tok_stream_t* tokbuf) {
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flush_peek_tok(tokbuf);
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tok_t* tok = peek_tok(tokbuf);
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ast_node_t* node = new_ast_ident_node(tok);
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pop_tok(tokbuf);
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return node;
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}
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ast_node_t* parse_type(parser_t* parser) {
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tok_stream_t* tokbuf = &parser->tokbuf;
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flush_peek_tok(tokbuf);
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tok_type_t ttype = peek_tok_type(tokbuf);
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data_type_t dtype;
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switch(ttype) {
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case TOKEN_VOID: dtype = TYPE_VOID; break;
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case TOKEN_CHAR: dtype = TYPE_CHAR; break;
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case TOKEN_SHORT: dtype = TYPE_SHORT; break;
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case TOKEN_INT: dtype = TYPE_INT; break;
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case TOKEN_LONG: dtype = TYPE_LONG; break;
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case TOKEN_FLOAT: dtype = TYPE_FLOAT; break;
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case TOKEN_DOUBLE: dtype = TYPE_DOUBLE; break;
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default:
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LOG_ERROR("无效的类型说明符");
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}
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ast_node_t* node = new_ast_node();
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node->type = NT_TERM_TYPE;
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// TODO added by disable warning, will add typing system
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dtype += 1;
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pop_tok(tokbuf);
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if (peek_tok_type(tokbuf) == TOKEN_MUL) {
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pop_tok(tokbuf);
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}
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return node;
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}
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