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Extracted BaseJetVariableMacro from JetVariableOfTypeMacro.

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This commit is contained in:
Evgeny Gerashchenko
2012-02-08 13:52:11 +04:00
parent 8d50d17f92
commit f0073d0289
2 changed files with 100 additions and 90 deletions
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idea/src/org/jetbrains/jet/plugin/liveTemplates/macro/BaseJetVariableMacro.java
+99
View File
@@ -0,0 +1,99 @@
package org.jetbrains.jet.plugin.liveTemplates.macro;
import com.intellij.codeInsight.lookup.LookupElement;
import com.intellij.codeInsight.lookup.LookupElementBuilder;
import com.intellij.codeInsight.template.Expression;
import com.intellij.codeInsight.template.ExpressionContext;
import com.intellij.codeInsight.template.Macro;
import com.intellij.codeInsight.template.Result;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiDocumentManager;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiNamedElement;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
import org.jetbrains.jet.lang.psi.*;
import org.jetbrains.jet.lang.resolve.BindingContext;
import org.jetbrains.jet.lang.resolve.scopes.JetScope;
import org.jetbrains.jet.plugin.compiler.WholeProjectAnalyzerFacade;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
/**
* @author Evgeny Gerashchenko
* @since 2/8/12
*/
public abstract class BaseJetVariableMacro extends Macro {
@Nullable
private static JetNamedDeclaration[] getVariables(Expression[] params, ExpressionContext context) {
if (params.length != 1) return null;
final Result result = params[0].calculateResult(context);
if (result == null) return null;
Project project = context.getProject();
PsiDocumentManager.getInstance(project).commitAllDocuments();
PsiFile psiFile = PsiDocumentManager.getInstance(project).getPsiFile(context.getEditor().getDocument());
if (!(psiFile instanceof JetFile)) return null;
JetExpression contextExpression = findContextExpression(psiFile, context.getStartOffset());
if (contextExpression == null) return null;
BindingContext bc = WholeProjectAnalyzerFacade.analyzeProjectWithCacheOnAFile((JetFile) psiFile);
JetScope scope = bc.get(BindingContext.RESOLUTION_SCOPE, contextExpression);
if (scope == null) {
return null;
}
List<JetNamedDeclaration> elements = new ArrayList<JetNamedDeclaration>();
for (DeclarationDescriptor declarationDescriptor : scope.getAllDescriptors()) {
PsiElement declaration = bc.get(BindingContext.DESCRIPTOR_TO_DECLARATION, declarationDescriptor);
assert declaration == null || declaration instanceof PsiNamedElement;
if (declaration instanceof JetProperty) {
elements.add((JetProperty) declaration);
}
else if (declaration instanceof JetParameter) {
elements.add((JetParameter) declaration);
}
}
return elements.toArray(new JetNamedDeclaration[elements.size()]);
}
@Nullable
private static JetExpression findContextExpression(PsiFile psiFile, int startOffset) {
PsiElement e = psiFile.findElementAt(startOffset);
while (e != null) {
if (e instanceof JetExpression) {
return (JetExpression) e;
}
e = e.getParent();
}
return null;
}
@Override
public Result calculateResult(@NotNull Expression[] params, ExpressionContext context) {
final JetNamedDeclaration[] vars = getVariables(params, context);
if (vars == null || vars.length == 0) return null;
return new JetPsiElementResult(vars[0]);
}
@Override
public LookupElement[] calculateLookupItems(@NotNull Expression[] params, ExpressionContext context) {
final PsiNamedElement[] vars = getVariables(params, context);
if (vars == null || vars.length < 2) return null;
final Set<LookupElement> set = new LinkedHashSet<LookupElement>();
for (PsiNamedElement var : vars) {
set.add(LookupElementBuilder.create(var));
}
return set.toArray(new LookupElement[set.size()]);
}
}
idea/src/org/jetbrains/jet/plugin/liveTemplates/macro/JetVariableOfTypeMacro.java
+1 -90
View File
@@ -1,35 +1,12 @@
package org.jetbrains.jet.plugin.liveTemplates.macro;
import com.intellij.codeInsight.lookup.LookupElement;
import com.intellij.codeInsight.lookup.LookupElementBuilder;
import com.intellij.codeInsight.template.Expression;
import com.intellij.codeInsight.template.ExpressionContext;
import com.intellij.codeInsight.template.Macro;
import com.intellij.codeInsight.template.Result;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiDocumentManager;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiNamedElement;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
import org.jetbrains.jet.lang.psi.*;
import org.jetbrains.jet.lang.resolve.BindingContext;
import org.jetbrains.jet.lang.resolve.scopes.JetScope;
import org.jetbrains.jet.plugin.JetBundle;
import org.jetbrains.jet.plugin.compiler.WholeProjectAnalyzerFacade;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
/**
* @author Evgeny Gerashchenko
* @since 1/30/12
*/
public class JetVariableOfTypeMacro extends Macro {
public class JetVariableOfTypeMacro extends BaseJetVariableMacro {
@Override
public String getName() {
return "kotlinVariableOfType";
@@ -40,71 +17,5 @@ public class JetVariableOfTypeMacro extends Macro {
return JetBundle.message("macro.variable.of.type");
}
@Override
public Result calculateResult(@NotNull Expression[] params, ExpressionContext context) {
final JetNamedDeclaration[] vars = getVariables(params, context);
if (vars == null || vars.length == 0) return null;
return new JetPsiElementResult(vars[0]);
}
@Override
public LookupElement[] calculateLookupItems(@NotNull Expression[] params, ExpressionContext context) {
final PsiNamedElement[] vars = getVariables(params, context);
if (vars == null || vars.length < 2) return null;
final Set<LookupElement> set = new LinkedHashSet<LookupElement>();
for (PsiNamedElement var : vars) {
set.add(LookupElementBuilder.create(var));
}
return set.toArray(new LookupElement[set.size()]);
}
@Nullable
private static JetNamedDeclaration[] getVariables(Expression[] params, ExpressionContext context) {
if (params.length != 1) return null;
final Result result = params[0].calculateResult(context);
if (result == null) return null;
Project project = context.getProject();
PsiDocumentManager.getInstance(project).commitAllDocuments();
PsiFile psiFile = PsiDocumentManager.getInstance(project).getPsiFile(context.getEditor().getDocument());
if (!(psiFile instanceof JetFile)) return null;
JetExpression contextExpression = findContextExpression(psiFile, context.getStartOffset());
if (contextExpression == null) return null;
BindingContext bc = WholeProjectAnalyzerFacade.analyzeProjectWithCacheOnAFile((JetFile) psiFile);
JetScope scope = bc.get(BindingContext.RESOLUTION_SCOPE, contextExpression);
if (scope == null) {
return null;
}
List<JetNamedDeclaration> elements = new ArrayList<JetNamedDeclaration>();
for (DeclarationDescriptor declarationDescriptor : scope.getAllDescriptors()) {
PsiElement declaration = bc.get(BindingContext.DESCRIPTOR_TO_DECLARATION, declarationDescriptor);
assert declaration == null || declaration instanceof PsiNamedElement;
if (declaration instanceof JetProperty) {
elements.add((JetProperty) declaration);
} else if (declaration instanceof JetParameter) {
elements.add((JetParameter) declaration);
}
}
return elements.toArray(new JetNamedDeclaration[elements.size()]);
}
@Nullable
private static JetExpression findContextExpression(PsiFile psiFile, int startOffset) {
PsiElement e = psiFile.findElementAt(startOffset);
while (e != null) {
if (e instanceof JetExpression) {
return (JetExpression) e;
}
e = e.getParent();
}
return null;
}
}