feat: 复合赋值 += -= *= /= + CHANGELOG 更新

- lexer: 4 个复合赋值 Token (解析时优先于单字符) - parser: desugar x+=expr → x=x+expr（零 sema/codegen 改动） - 新增集成测试 09_compound_assign.l (15 12 24 6) - CHANGELOG 新增 v0.2.0 条目
2026-06-05 02:40:05 +08:00
parent 9e41b09318
commit d5a94d45cb
6 changed files with 71 additions and 2 deletions
@@ -18,6 +18,7 @@ typedef enum {
    TOK_EQ_EQ, TOK_BANG_EQ, TOK_LT, TOK_GT, TOK_LT_EQ, TOK_GT_EQ,
    TOK_AND_AND, TOK_PIPE_PIPE, TOK_BANG,
    TOK_ARROW,
+    TOK_PLUS_EQ, TOK_MINUS_EQ, TOK_STAR_EQ, TOK_SLASH_EQ,
    // 分隔符
    TOK_LPAREN, TOK_RPAREN, TOK_LBRACE, TOK_RBRACE,
    TOK_COMMA, TOK_COLON, TOK_SEMICOLON, TOK_ASSIGN,