mirror of
https://github.com/JonathanFleischmann/CompilerULTIMATE.git
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Merge branch 'main' of https://github.com/JonathanFleischmann/CompilerULTIMATE
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commit
dbca4ac327
@ -2,21 +2,39 @@ package de.maishai.typedast;
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import lombok.*;
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import org.objectweb.asm.Label;
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import org.objectweb.asm.MethodVisitor;
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import java.util.HashMap;
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import java.util.Map;
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@NoArgsConstructor
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@Getter
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@Setter
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@Data
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public class MethodContext {
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private Label startLabel;
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private Label endLabel;
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private MethodVisitor mv;
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private int localVarIndex = 0;
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private Map<String, Integer> variableIndex = new HashMap<>();
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public void addVariable(String name, int index) {
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public MethodContext(MethodVisitor mv) {
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startLabel = new Label();
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endLabel = new Label();
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this.mv = mv;
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mv.visitCode();
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mv.visitLabel(startLabel);
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}
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public int addVariable(String name) {
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int index = localVarIndex;
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localVarIndex++;
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variableIndex.put(name, index);
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return index;
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}
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public void wrapUp() {
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mv.visitLabel(endLabel);
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mv.visitMaxs(0, 0);
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mv.visitEnd();
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}
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}
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@ -91,18 +91,15 @@ public class TypedConstructor implements TypedNode {
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public void codeGen(ClassWriter cw) {
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int accessModifier = Opcodes.ACC_PUBLIC; // ist laut Andi ok
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MethodVisitor mv = cw.visitMethod(accessModifier, "<init>", CodeGenUtils.generateDescriptor(typedParameters, Type.VOID), null, null);
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mv.visitCode();
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MethodContext context = new MethodContext(mv);
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//super();
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mv.visitVarInsn(Opcodes.ALOAD, 0);
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mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
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MethodContext context = new MethodContext();
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typedBlock.codeGen(mv, context);
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mv.visitInsn(Opcodes.RETURN);
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mv.visitMaxs(0, 0);
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mv.visitEnd();
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context.wrapUp();
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}
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}
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@ -38,9 +38,8 @@ public final class TypedLocalVariable implements TypedNode {
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}
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public void codeGen(MethodVisitor mv, MethodContext ctx) {
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int index = ctx.getLocalVarIndex();
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ctx.setLocalVarIndex(index + 1);
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ctx.addVariable(name, index);
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int index = ctx.addVariable(name);
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mv.visitLocalVariable(name, type.getDescriptor(), null, ctx.getStartLabel(), ctx.getEndLabel(), index);
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}
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}
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@ -93,14 +93,9 @@ public class TypedMethod implements TypedNode {
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int accessModifier = Opcodes.ACC_PUBLIC; // ist laut Andi ok
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MethodVisitor mv = cw.visitMethod(accessModifier, name,
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CodeGenUtils.generateDescriptor(typedParameters, returnType), null, null);
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mv.visitCode();
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MethodContext context = new MethodContext(mv);
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MethodContext context = new MethodContext();
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typedBlock.codeGen(mv, context);
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mv.visitMaxs(0, 0);
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mv.visitEnd();
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}
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}
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