i22022/NichtHaskell
2
2
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

bugfix nullpointer if no receiver

Browse Source
This commit is contained in:
Krauß, Josefine 2024-06-26 16:12:21 +02:00
parent 77a6dae94f
commit ed2f64eff9
2 changed files with 19 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/main/java/Input.java
View File

@ -1,11 +1,9 @@
class Example1 {
int i;
int a = 12345;
Example e;
public Example1(){i = 3456;}
public Example1(){}
int meth(int n){
Example e = new Example();
int abc = e.example1.m1(2).m2().m3();
int i = m1(2).m2().m3();
return 0;
}
@ -15,9 +13,6 @@ class Example1 {
}
class Example {
int i;
boolean b;
char c;
Example1 example1;
Example1 m(int a){
return new Example1();

28
src/main/java/abstractSyntaxTree/StatementExpression/MethodCallStatementExpression.java
View File

@ -35,24 +35,30 @@ public class MethodCallStatementExpression extends AbstractType implements IExpr
String classToSearchMethodIn = thisClass;
//method is called on something that is not this ???
if(!receiver.thisExpression){
classToSearchMethodIn = localVars.get(receiver.identifier);
if(classToSearchMethodIn == null)
classToSearchMethodIn = thisClass;
if(this.receiver != null) {
if (!receiver.thisExpression) {
classToSearchMethodIn = localVars.get(receiver.identifier);
if (classToSearchMethodIn == null)
classToSearchMethodIn = thisClass;
}
}
String currentType = "";
// receiver is instvar
if(receiver.instVarExpression != null){
String Subreceiver = receiver.instVarExpression.receivers.get(0).identifier; // e
String mostLeftField = receiver.instVarExpression.fieldName; // example1
if(receiver != null) {
if (receiver.instVarExpression != null) {
String Subreceiver = receiver.instVarExpression.receivers.get(0).identifier; // e
String mostLeftField = receiver.instVarExpression.fieldName; // example1
String typeOfSubreceiver = typeContext.get(thisClass).get(Subreceiver);
String typeOfSubreceiver = typeContext.get(thisClass).get(Subreceiver);
receiver.instVarExpression.thisClass = typeOfSubreceiver;
receiver.instVarExpression.typeCheck(methodContext, typeContext, localVars);
currentType = typeContext.get(typeOfSubreceiver).get(mostLeftField);
receiver.instVarExpression.thisClass = typeOfSubreceiver;
receiver.instVarExpression.typeCheck(methodContext, typeContext, localVars);
currentType = typeContext.get(typeOfSubreceiver).get(mostLeftField);
}
}else{
currentType = thisClass;
}
//if classToSearchMethodIn does not conatin method, throw exception. go through list and check each