Serendipity
5237398245
- lexer: TOK_ENUM, TOK_COLON_COLON
- ast: AST_ENUM_DECL, AST_ENUM_VARIANT + AST_PROGRAM enums数组
- parser: enum Name { A, B } + Enum::Variant语法
- sema: SYM_ENUM, 变体验证, enum→i64类型兼容
- codegen: TYPE_ENUM→i64, 变体→ConstInt(索引值)
- 新增集成测试: 17_enum.l
测试: 121 通过 (41+15+47+18)
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
#ifndef L_LANG_H
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#define L_LANG_H
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#include <stddef.h>
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#include <stdbool.h>
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#include <stdint.h>
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// === 类型系统 ===
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typedef enum {
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TYPE_I64,
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TYPE_F64,
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TYPE_BOOL,
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TYPE_STR,
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TYPE_VOID,
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TYPE_STRUCT, // 结构体类型
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TYPE_ENUM, // 枚举类型
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TYPE_UNKNOWN, // 尚未推断
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TYPE_ERROR, // 类型错误
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} TypeKind;
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static inline const char* type_name(TypeKind kind) {
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switch (kind) {
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case TYPE_I64: return "i64";
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case TYPE_F64: return "f64";
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case TYPE_BOOL: return "bool";
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case TYPE_STR: return "str";
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case TYPE_VOID: return "void";
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case TYPE_STRUCT: return "struct";
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case TYPE_ENUM: return "enum";
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default: return "<unknown>";
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}
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}
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// === 源码位置（替代分散的 line/col 参数）===
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typedef struct {
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int line;
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int col;
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} SourceLoc;
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// 手动创建 SourceLoc
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static inline SourceLoc loc_at(int line, int col) {
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return (SourceLoc){ .line = line, .col = col };
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}
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// === 向前声明 ===
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typedef struct Token Token;
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typedef struct AstNode AstNode;
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typedef struct Scope Scope;
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typedef struct Arena Arena;
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// === 跨模块分配器接口（避免循环依赖，各模块通过 void* 使用 arena）===
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void* arena_alloc_impl(void* alloc, size_t size);
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char* arena_strdup_impl(void* alloc, const char* src, size_t len);
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#endif
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