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KT-2701 Prevent redeclaration in multi-declaration

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#KT-2701 Fixed
This commit is contained in:
Natalia.Ukhorskaya
2012-10-24 17:52:44 +04:00
parent 34a9d6a469
commit bf489c9ed8
6 changed files with 37 additions and 7 deletions
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compiler/frontend/src/org/jetbrains/jet/lang/types/expressions/ExpressionTypingUtils.java
+14
View File
@@ -18,6 +18,7 @@ package org.jetbrains.jet.lang.types.expressions;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Pair;
import com.intellij.psi.PsiElement;
import com.intellij.psi.tree.IElementType;
import com.intellij.psi.tree.TokenSet;
import org.jetbrains.annotations.NotNull;
@@ -25,6 +26,7 @@ import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.JetNodeTypes;
import org.jetbrains.jet.lang.ModuleConfiguration;
import org.jetbrains.jet.lang.descriptors.*;
import org.jetbrains.jet.lang.diagnostics.Errors;
import org.jetbrains.jet.lang.psi.*;
import org.jetbrains.jet.lang.resolve.*;
import org.jetbrains.jet.lang.resolve.calls.CallMaker;
@@ -341,10 +343,22 @@ public class ExpressionTypingUtils {
VariableDescriptor variableDescriptor = context.expressionTypingServices.getDescriptorResolver().
resolveLocalVariableDescriptorWithType(writableScope.getContainingDeclaration(), entry, componentType, context.trace);
VariableDescriptor olderVariable = writableScope.getLocalVariable(variableDescriptor.getName());
checkVariableShadowing(context, variableDescriptor, olderVariable);
writableScope.addVariableDescriptor(variableDescriptor);
}
}
public static void checkVariableShadowing(@NotNull ExpressionTypingContext context, @NotNull VariableDescriptor variableDescriptor, VariableDescriptor oldDescriptor) {
if (oldDescriptor != null && DescriptorUtils.isLocal(variableDescriptor.getContainingDeclaration(), oldDescriptor)) {
PsiElement declaration = BindingContextUtils.descriptorToDeclaration(context.trace.getBindingContext(), variableDescriptor);
if (declaration != null) {
context.trace.report(Errors.NAME_SHADOWING.on(declaration, variableDescriptor.getName().getName()));
}
}
}
@NotNull
private static JetType getExpectedTypeForComponent(ExpressionTypingContext context, JetMultiDeclarationEntry entry) {
JetTypeReference entryTypeRef = entry.getTypeRef();
compiler/frontend/src/org/jetbrains/jet/lang/types/expressions/ExpressionTypingVisitorForStatements.java
+1 -4
View File
@@ -117,10 +117,7 @@ public class ExpressionTypingVisitorForStatements extends ExpressionTypingVisito
{
VariableDescriptor olderVariable = scope.getLocalVariable(propertyDescriptor.getName());
if (olderVariable != null && DescriptorUtils.isLocal(propertyDescriptor.getContainingDeclaration(), olderVariable)) {
PsiElement declaration = BindingContextUtils.descriptorToDeclaration(context.trace.getBindingContext(), propertyDescriptor);
context.trace.report(Errors.NAME_SHADOWING.on(declaration, propertyDescriptor.getName().getName()));
}
ExpressionTypingUtils.checkVariableShadowing(context, propertyDescriptor, olderVariable);
}
scope.addVariableDescriptor(propertyDescriptor);