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IDEA-87424 Smart completion in default constructor invocation

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This commit is contained in:
Maxim.Medvedev
2012-06-19 15:42:06 +04:00
parent edf3a54ed5
commit 2c24297f73
1 changed files with 34 additions and 0 deletions
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plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/expectedTypes/GroovyExpectedTypesProvider.java
+34
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@@ -30,6 +30,7 @@ import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElementVisitor;
import org.jetbrains.plugins.groovy.lang.psi.api.GroovyResolveResult;
import org.jetbrains.plugins.groovy.lang.psi.api.auxiliary.GrListOrMap;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.*;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.arguments.GrArgumentLabel;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.arguments.GrArgumentList;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.arguments.GrNamedArgument;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.blocks.GrClosableBlock;
@@ -44,9 +45,11 @@ import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.path.GrM
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrMethod;
import org.jetbrains.plugins.groovy.lang.psi.api.types.GrTypeElement;
import org.jetbrains.plugins.groovy.lang.psi.controlFlow.Instruction;
import org.jetbrains.plugins.groovy.lang.psi.impl.PsiImplUtil;
import org.jetbrains.plugins.groovy.lang.psi.impl.signatures.GrClosureSignatureUtil;
import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.TypesUtil;
import org.jetbrains.plugins.groovy.lang.psi.util.GroovyCommonClassNames;
import org.jetbrains.plugins.groovy.lang.psi.util.GroovyPropertyUtils;
import org.jetbrains.plugins.groovy.lang.psi.util.PsiUtil;
import org.jetbrains.plugins.groovy.lang.resolve.ResolveUtil;
@@ -156,6 +159,37 @@ public class GroovyExpectedTypesProvider {
}
}
@Override
public void visitNamedArgument(GrNamedArgument argument) {
PsiElement pparent = argument.getParent().getParent();
if (pparent instanceof GrCall && resolvesToDefaultConstructor(((GrCall)pparent))) {
GrArgumentLabel label = argument.getLabel();
if (label != null) {
PsiElement resolved = label.resolve();
if (resolved instanceof PsiField) {
PsiType type = ((PsiField)resolved).getType();
myResult = new TypeConstraint[]{new SubtypeConstraint(type, type)};
}
else if (resolved instanceof PsiMethod && GroovyPropertyUtils.isSimplePropertySetter((PsiMethod)resolved)) {
PsiType type = ((PsiMethod)resolved).getParameterList().getParameters()[0].getType();
myResult = new TypeConstraint[]{new SubtypeConstraint(type,type)};
}
}
}
}
private static boolean resolvesToDefaultConstructor(GrCall call) {
PsiMethod method = call.resolveMethod();
if (method != null && method.isConstructor() && method.getParameterList().getParametersCount() == 0) return true;
if (call instanceof GrConstructorCall) {
PsiElement resolved = PsiImplUtil.extractUniqueResult(((GrConstructorCall)call).multiResolveClass()).getElement();
if (resolved instanceof PsiClass) return true;
}
return false;
}
public void visitMethodCallExpression(GrMethodCallExpression methodCall) {
final GrExpression invokedExpression = methodCall.getInvokedExpression();
if (myExpression.equals(invokedExpression)) {