feat: lambda表达式支持 (invokedynamic)#3

Merged

Eatgrapes merged 12 commits into

Eatgrapes:masterfrom

Neamyoo-dev:feat/lambda-invokedynamic

May 24, 2026

Commits on May 24, 2026

feat(parser): add lambda expression parsing to green-tree CST
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feat(hir): lower lambda expressions to HIR
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feat(bytecode): emit invokedynamic for lambda expressions
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test: add LambdaTest fixture
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fix(bytecode): use empty descriptor for indy call site (lambda params are not captured vars)
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fix(bytecode): emit ACONST_NULL+ARETURN instead of RETURN for lambda block bodies
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feat(catalog): add is_interface and functional_interface_method
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feat(hir): add target_ty to Expr::Lambda, resolve target types from context
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feat(bytecode): resolve SAM interface from target type, support void-returning lambdas
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test: add Consumer lambda fixture
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fix(bytecode): use per-method lambda_infos to prevent ExprId collision across methods
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feat(hir): detect LBrace after Arrow to produce LambdaBody::Block
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