feat: for 循环 + range (for i in start..end)
- lexer: TOK_FOR, TOK_IN, TOK_DOT_DOT + 修复数字中 .. 解析
- parser: for-in-range → desugar to {let mut, while, assign}
- 零 sema/codegen 改动,复用现有机制
- 新增 2 个集成测试 (10_for_range.l, 11_for_step2.l)
- mem2reg: LLVM 22 C API 不导出,标注已知限制
基于 Codex 分析报告 §6 P0 #3。
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@@ -6,7 +6,7 @@
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// === Token 类型枚举 ===
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typedef enum {
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// 关键字
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TOK_FN, TOK_LET, TOK_MUT, TOK_IF, TOK_ELSE, TOK_WHILE, TOK_RETURN,
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TOK_FN, TOK_LET, TOK_MUT, TOK_IF, TOK_ELSE, TOK_WHILE, TOK_FOR, TOK_IN, TOK_RETURN,
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// 类型关键字
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TOK_I64, TOK_F64, TOK_BOOL, TOK_STR, TOK_VOID,
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// 字面量
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@@ -17,7 +17,7 @@ typedef enum {
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TOK_PLUS, TOK_MINUS, TOK_STAR, TOK_SLASH, TOK_PERCENT,
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TOK_EQ_EQ, TOK_BANG_EQ, TOK_LT, TOK_GT, TOK_LT_EQ, TOK_GT_EQ,
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TOK_AND_AND, TOK_PIPE_PIPE, TOK_BANG,
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TOK_ARROW,
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TOK_ARROW, TOK_DOT_DOT,
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TOK_PLUS_EQ, TOK_MINUS_EQ, TOK_STAR_EQ, TOK_SLASH_EQ,
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// 分隔符
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TOK_LPAREN, TOK_RPAREN, TOK_LBRACE, TOK_RBRACE,
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