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feat: 结构体 struct — 最后一项 P0 功能

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- lexer: TOK_STRUCT, TOK_DOT 关键字和运算符
- ast: AST_STRUCT_DECL/STRUCT_INIT/FIELD_ACCESS 3 种新节点
- parser: struct 声明 + .field 访问 + Name{field:val} 初始化
- sema: struct 类型符号表，字段类型解析，初始化字段检查
- codegen: LLVMStructType + extractvalue/insertvalue 字段操作
- 新增集成测试: 12_struct.l, 13_struct_nested.l
- 基于 Codex 分析报告 P0 #4

所有 P0 功能已全部完成。
This commit is contained in:
刘航宇
2026-06-05 12:21:22 +08:00
parent 620cec4d57
commit b390d390f3
17 changed files with 1521 additions and 47 deletions
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test/test_codegen.c
+4 -4
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@@ -13,7 +13,7 @@ void test_codegen_simple_function() {
AstNode* body = ast_make_block(&a, stmts, 1, 1, 1);
AstNode* fn = ast_make_function(&a, "main", NULL, 0, TYPE_I64, body, 1, 1);
AstNode* fns[] = { fn };
AstNode* prog = ast_make_program(&a, fns, 1, 1, 1);
AstNode* prog = ast_make_program(&a, fns, 1, NULL, 0, 1, 1);
const char* err = NULL;
LLVMModuleRef mod = codegen_module(prog, &a, "test_mod", &err);
@@ -45,7 +45,7 @@ void test_codegen_if_else() {
AstNode* body = ast_make_block(&a, stmts, 1, 1, 1);
AstNode* fn = ast_make_function(&a, "main", NULL, 0, TYPE_I64, body, 1, 1);
AstNode* fns[] = { fn };
AstNode* prog = ast_make_program(&a, fns, 1, 1, 1);
AstNode* prog = ast_make_program(&a, fns, 1, NULL, 0, 1, 1);
const char* err = NULL;
LLVMModuleRef mod = codegen_module(prog, &a, "test_mod2", &err);
@@ -74,7 +74,7 @@ void test_codegen_binary_ops() {
AstNode* body = ast_make_block(&a, stmts, 1, 1, 1);
AstNode* fn = ast_make_function(&a, "main", NULL, 0, TYPE_I64, body, 1, 1);
AstNode* fns[] = { fn };
AstNode* prog = ast_make_program(&a, fns, 1, 1, 1);
AstNode* prog = ast_make_program(&a, fns, 1, NULL, 0, 1, 1);
const char* err = NULL;
LLVMModuleRef mod = codegen_module(prog, &a, "test_mod3", &err);
@@ -102,7 +102,7 @@ void test_codegen_while_loop() {
AstNode* fn_body = ast_make_block(&a, stmts, 2, 1, 1);
AstNode* fn = ast_make_function(&a, "main", NULL, 0, TYPE_I64, fn_body, 1, 1);
AstNode* fns[] = { fn };
AstNode* prog = ast_make_program(&a, fns, 1, 1, 1);
AstNode* prog = ast_make_program(&a, fns, 1, NULL, 0, 1, 1);
const char* err = NULL;
LLVMModuleRef mod = codegen_module(prog, &a, "test_while", &err);