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generate assignment expressions

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This commit is contained in:
Dmitry Jemerov
2011-04-01 10:21:43 +02:00
parent f8a5c25714
commit ab1659faed
1 changed files with 19 additions and 0 deletions
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idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java
+19
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@@ -4,6 +4,7 @@ import com.intellij.psi.*;
import org.jetbrains.jet.lang.psi.*; import org.jetbrains.jet.lang.psi.*;
import org.jetbrains.jet.lang.resolve.BindingContext; import org.jetbrains.jet.lang.resolve.BindingContext;
import org.jetbrains.jet.lang.types.*; import org.jetbrains.jet.lang.types.*;
import org.jetbrains.jet.lexer.JetTokens;
import org.objectweb.asm.Label; import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor; import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes; import org.objectweb.asm.Opcodes;
@@ -448,6 +449,10 @@ public class ExpressionCodegen extends JetVisitor {
@Override @Override
public void visitBinaryExpression(JetBinaryExpression expression) { public void visitBinaryExpression(JetBinaryExpression expression) {
if (expression.getOperationReference().getReferencedNameElementType() == JetTokens.EQ) {
generateAssignmentExpression(expression);
return;
}
DeclarationDescriptor op = bindingContext.resolveReferenceExpression(expression.getOperationReference()); DeclarationDescriptor op = bindingContext.resolveReferenceExpression(expression.getOperationReference());
if (op instanceof FunctionDescriptor) { if (op instanceof FunctionDescriptor) {
DeclarationDescriptor cls = op.getContainingDeclaration(); DeclarationDescriptor cls = op.getContainingDeclaration();
@@ -467,6 +472,20 @@ public class ExpressionCodegen extends JetVisitor {
throw new UnsupportedOperationException("Don't know how to generate binary op " + expression); throw new UnsupportedOperationException("Don't know how to generate binary op " + expression);
} }
private void generateAssignmentExpression(JetBinaryExpression expression) {
if (expression.getLeft() instanceof JetReferenceExpression) {
final JetReferenceExpression lhs = (JetReferenceExpression) expression.getLeft();
final DeclarationDescriptor declarationDescriptor = bindingContext.resolveReferenceExpression(lhs);
final int index = myMap.getIndex(declarationDescriptor);
final Type type = typeMapper.mapType(bindingContext.getExpressionType(lhs));
gen(expression.getRight(), type);
v.store(index, type);
}
else {
throw new UnsupportedOperationException("Don't know how to generate assignment to " + expression.getLeft().getText());
}
}
private boolean isUnitType(JetExpression e) { private boolean isUnitType(JetExpression e) {
return false; // TODO:!!! return false; // TODO:!!!
} }