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/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.plugins.gradle.service.resolve;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.PsiImmediateClassType;
import com.intellij.psi.scope.PsiScopeProcessor;
import com.intellij.psi.util.PsiTreeUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.groovy.lang.parser.GroovyElementTypes;
import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElement;
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.expressions.GrBinaryExpression;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrCommandArgumentList;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrMethodCall;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.path.GrMethodCallExpression;
import org.jetbrains.plugins.groovy.lang.psi.impl.GroovyPsiManager;
import org.jetbrains.plugins.groovy.lang.psi.impl.synthetic.GrLightMethodBuilder;
import org.jetbrains.plugins.groovy.lang.psi.impl.synthetic.GrLightParameter;
import java.util.List;
/**
* @author Vladislav.Soroka
* @since 9/9/13
*/
public class GradleTaskContributor implements GradleMethodContextContributor {
@Override
public void process(@NotNull List<String> methodCallInfo,
@NotNull PsiScopeProcessor processor,
@NotNull ResolveState state,
@NotNull PsiElement place) {
if (methodCallInfo.isEmpty()) return;
if (methodCallInfo.size() == 1) {
if(GradleResolverUtil.isLShiftElement(place.getParent())) {
GradleResolverUtil.addImplicitVariable(processor, state, place, GradleCommonClassNames.GRADLE_API_TASK);
}
}
else if (methodCallInfo.size() == 2) {
if (place.getParent().getParent() instanceof GrCommandArgumentList) {
// Assuming that the method call is addition of new task into the project.
processTaskAddition(methodCallInfo.get(0), GradleCommonClassNames.GRADLE_API_TASK_CONTAINER, processor, state, place);
}
else {
processTaskTypeParameter(methodCallInfo.get(0), processor, state, place);
}
GradleImplicitContributor.processImplicitDeclarations(processor, state, place);
}
else if (methodCallInfo.size() >= 3) {
processTaskTypeParameter(methodCallInfo.get(0), processor, state, place);
GradleImplicitContributor.processImplicitDeclarations(processor, state, place);
if (place.getText().equals(GradleSourceSetsContributor.SOURCE_SETS) &&
StringUtil.startsWith(methodCallInfo.get(0), GradleSourceSetsContributor.SOURCE_SETS + '.')) {
GradleResolverUtil.addImplicitVariable(processor, state, place, GradleCommonClassNames.GRADLE_API_SOURCE_SET_CONTAINER);
}
}
}
private static void processTaskTypeParameter(@NotNull String methodCall, @NotNull PsiScopeProcessor processor,
@NotNull ResolveState state,
@NotNull PsiElement place) {
final int taskTypeParameterLevel = 3;
PsiElement psiElement = GradleResolverUtil.findParent(place, taskTypeParameterLevel);
if (psiElement instanceof GrMethodCallExpression) {
GrMethodCallExpression callExpression = (GrMethodCallExpression)psiElement;
GrArgumentList argumentList = callExpression.getArgumentList();
if (argumentList != null && argumentList.getAllArguments().length > 0) {
for (GroovyPsiElement argument : argumentList.getAllArguments()) {
if (argument instanceof GrNamedArgument) {
GrNamedArgument namedArgument = (GrNamedArgument)argument;
GrExpression grExpression = namedArgument.getExpression();
PsiType psiType = null;
if (grExpression != null) {
psiType = GradleResolverUtil.getTypeOf(grExpression);
}
if (psiType instanceof PsiImmediateClassType) {
PsiImmediateClassType immediateClassType = (PsiImmediateClassType)psiType;
for (PsiType type : immediateClassType.getParameters()) {
GroovyPsiManager psiManager = GroovyPsiManager.getInstance(place.getProject());
GradleResolverUtil.processDeclarations(methodCall, psiManager, processor, state, place, type.getCanonicalText());
}
}
}
}
}
else {
GroovyPsiManager psiManager = GroovyPsiManager.getInstance(place.getProject());
GradleResolverUtil.processDeclarations(psiManager, processor, state, place, GradleCommonClassNames.GRADLE_API_TASK);
}
}
}
private static void processTaskAddition(@NotNull String name,
@NotNull String handlerClass,
@NotNull PsiScopeProcessor processor,
@NotNull ResolveState state,
@NotNull PsiElement place) {
GroovyPsiManager psiManager = GroovyPsiManager.getInstance(place.getProject());
PsiClass psiClass = psiManager.findClassWithCache(handlerClass, place.getResolveScope());
if (psiClass == null) {
return;
}
GrLightMethodBuilder builder = new GrLightMethodBuilder(place.getManager(), name);
PsiElementFactory factory = JavaPsiFacade.getElementFactory(place.getManager().getProject());
PsiType type = new PsiArrayType(factory.createTypeByFQClassName(CommonClassNames.JAVA_LANG_OBJECT, place.getResolveScope()));
builder.addParameter(new GrLightParameter("taskInfo", type, builder));
PsiClassType retType = factory.createTypeByFQClassName(CommonClassNames.JAVA_LANG_STRING, place.getResolveScope());
builder.setReturnType(retType);
processor.execute(builder, state);
GrMethodCall call = PsiTreeUtil.getParentOfType(place, GrMethodCall.class);
if (call == null) {
return;
}
GrArgumentList args = call.getArgumentList();
if (args == null) {
return;
}
int argsCount = GradleResolverUtil.getGrMethodArumentsCount(args);
argsCount++; // Configuration name is delivered as an argument.
for (PsiMethod method : psiClass.findMethodsByName("create", false)) {
if (method.getParameterList().getParametersCount() == argsCount) {
builder.setNavigationElement(method);
}
}
}
}
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