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added check if there is a main method

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Krauß, Josefine 2024-06-26 15:55:34 +02:00
parent 30334dc393
commit 77a6dae94f
3 changed files with 11 additions and 8 deletions
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2
src/main/java/abstractSyntaxTree/Class/RefType.java
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@ -20,7 +20,7 @@ public class RefType extends AbstractType implements Node {
public String name; // Class Name
public List<FieldDecl> fieldDecls;
public List<MethodDecl> methodDecls;
boolean hasMain;
public boolean hasMain;
public RefType(String name,
List<FieldDecl> fieldDecls,

10
src/main/java/abstractSyntaxTree/Program.java
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@ -53,6 +53,16 @@ public class Program implements Node {
methodContext.put(oneClass.name, identifierAndMethod);
}
int mainCounter = 0;
// check if main exists
for(RefType oneClass : classes){
if(oneClass.hasMain)
mainCounter++;
}
if(mainCounter != 1)
throw new TypeCheckException("There is not 1 Main method.");
// typecheck each class
TypeCheckResult result = new TypeCheckResult();
for(RefType oneClass : classes){

7
src/main/java/abstractSyntaxTree/StatementExpression/MethodCallStatementExpression.java
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@ -58,7 +58,6 @@ public class MethodCallStatementExpression extends AbstractType implements IExpr
//if classToSearchMethodIn does not conatin method, throw exception. go through list and check each
for(int i = 0; i < receivingMethods.size(); i++){
//todo throw exception
currentType = (String) methodContext.get(currentType).get(receivingMethods.get(i).methodName).keySet().toArray()[0];
if(currentType == null)
throw new TypeCheckException("The method " + methodName + " was not found in "+ classToSearchMethodIn + ".");
@ -67,12 +66,6 @@ public class MethodCallStatementExpression extends AbstractType implements IExpr
}
currentType = (String) methodContext.get(currentType).get(methodName).keySet().toArray()[0];
// todo checkparameter
// if(method == null)
// throw new TypeCheckException("The method " + methodName + " was not found in "+ classToSearchMethodIn + ".");
// typecheck arguments
TypeCheckResult result = new TypeCheckResult();
result.type = currentType;