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Fixed missing parameters in Program, MethodDecl, and RefType

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This commit is contained in:
Jochen Seyfried 2024-05-31 10:26:47 +02:00
parent ab19751146
commit 9fa9dfdfb6
3 changed files with 9 additions and 7 deletions
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8
src/main/java/abstractSyntaxTree/Class/MethodDecl.java
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@ -46,7 +46,7 @@ public class MethodDecl implements Node {
//Need to get the returnType of the method if it is an object
// methodContext (class, (returnType, (identifier, parameter)))
public void codeGen(ClassWriter cw, HashMap<String, HashMap<String, HashMap<String, ParameterList>>> methodContext) throws Exception {
public void codeGen(ClassWriter cw, HashMap<String, HashMap<String, HashMap<String, ParameterList>>> methodContext, HashMap<String, HashMap<String, String>> typeContext) throws Exception {
localVars.put("this", classThatContainsMethod);
for (Parameter param : parameters.parameterList) {
@ -75,7 +75,7 @@ public class MethodDecl implements Node {
mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", descriptor, false);
mv.visitCode();
codeBlock.codeGen(mv, localVars);
codeBlock.codeGen(mv, localVars, typeContext);
mv.visitInsn(Opcodes.RETURN);
//automatically computed max stack and max locals
@ -87,7 +87,7 @@ public class MethodDecl implements Node {
MethodVisitor mv = cw.visitMethod(access, name, "([Ljava/lang/String;)V", null, null);
mv.visitCode();
codeBlock.codeGen(mv, localVars);
codeBlock.codeGen(mv, localVars, typeContext);
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(0, 0);
@ -97,7 +97,7 @@ public class MethodDecl implements Node {
MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, name, getMethodDescriptor(methodContext), null, null);
mv.visitCode();
codeBlock.codeGen(mv, localVars);
codeBlock.codeGen(mv, localVars, typeContext);
// We have to check the return type to get the return opcode
// For methods which return an actual value, the return opcode is created in the method body to ensure the

6
src/main/java/abstractSyntaxTree/Class/RefType.java
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@ -2,6 +2,7 @@ package abstractSyntaxTree.Class;
import TypeCheck.AbstractType;
import TypeCheck.TypeCheckResult;
import abstractSyntaxTree.Expression.IExpression;
import abstractSyntaxTree.Node;
import abstractSyntaxTree.Parameter.ParameterList;
import org.objectweb.asm.ClassWriter;
@ -29,6 +30,7 @@ public class RefType extends AbstractType implements Node {
this.fieldDecls = fieldDecls;
this.methodDecls = methodDecls;
this.hasMain = hasMain;
}
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, ParameterList>>> methodContext,
@ -75,7 +77,7 @@ public class RefType extends AbstractType implements Node {
// Method for code generation which iterates over all the field declarations
// and method declarations and calls their CodeGen methods
public void codeGen(ClassWriter cw, HashMap<String, HashMap<String, HashMap<String, ParameterList>>> methodContext) throws Exception {
public void codeGen(ClassWriter cw, HashMap<String, HashMap<String, HashMap<String, ParameterList>>> methodContext, HashMap<String, HashMap<String, String>> typeContext) throws Exception {
cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC, name, null,
"java/lang/Object", null);
@ -85,7 +87,7 @@ public class RefType extends AbstractType implements Node {
}
for (MethodDecl method : methodDecls) {
method.codeGen(cw, methodContext);
method.codeGen(cw, methodContext, typeContext);
}
cw.visitEnd();
}

2
src/main/java/abstractSyntaxTree/Program.java
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@ -68,7 +68,7 @@ public class Program implements Node {
ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC, oneClass.name, null, "java/lang/Object", null);
// oneClass.codeGen(cw);
oneClass.codeGen(cw, methodContext, typeContext);
cw.visitEnd();
byte[] bytecode = cw.toByteArray();