MisterChaos69/MiniJavaCompiler
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fix return null for object return type not possible

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Maybe Fabian Noll aber vielleicht auch nicht. Ist ein bisschen ne Glaubenssache :) 2024-05-16 09:36:35 +02:00
parent 07837f7d5f
commit 2a502a6c67
1 changed files with 1 additions and 1 deletions
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src/Typecheck.hs
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@ -25,7 +25,7 @@ typeCheckMethodDeclaration (MethodDeclaration retType name params body) classFie
checkedBody = typeCheckStatement body initialSymtab classes
bodyType = getTypeFromStmt checkedBody
-- Check if the type of the body matches the declared return type
in if bodyType == retType || (bodyType == "void" && retType == "void")
in if bodyType == retType || (bodyType == "void" && retType == "void") || (bodyType == "null" && isObjectType retType)
then MethodDeclaration retType name params checkedBody
else error $ "Return type mismatch in method " ++ name ++ ": expected " ++ retType ++ ", found " ++ bodyType