Examples with LocalDeclaration org.eclipse.jdt.internal.compiler.ast.LocalDeclaration used on opensource projects

Example 6 with LocalDeclaration

use of org.eclipse.jdt.internal.compiler.ast.LocalDeclaration in project lombok by rzwitserloot.

the class EclipseJavaUtilMapSingularizer method generatePluralMethod.

private void generatePluralMethod(boolean deprecate, TypeReference returnType, Statement returnStatement, SingularData data, EclipseNode builderType, boolean fluent) {
    MethodDeclaration md = new MethodDeclaration(((CompilationUnitDeclaration) builderType.top().get()).compilationResult);
    md.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
    md.modifiers = ClassFileConstants.AccPublic;
    String pN = new String(data.getPluralName());
    char[] keyFieldName = (pN + "$key").toCharArray();
    char[] valueFieldName = (pN + "$value").toCharArray();
    List<Statement> statements = new ArrayList<Statement>();
    statements.add(createConstructBuilderVarIfNeeded(data, builderType, true));
    char[] entryName = "$lombokEntry".toCharArray();
    TypeReference forEachType = new QualifiedTypeReference(JAVA_UTIL_MAP_ENTRY, NULL_POSS);
    forEachType = addTypeArgs(2, true, builderType, forEachType, data.getTypeArgs());
    MessageSend keyArg = new MessageSend();
    keyArg.receiver = new SingleNameReference(entryName, 0L);
    keyArg.selector = "getKey".toCharArray();
    MessageSend addKey = new MessageSend();
    FieldReference thisDotKeyField = new FieldReference(keyFieldName, 0L);
    thisDotKeyField.receiver = new ThisReference(0, 0);
    addKey.receiver = thisDotKeyField;
    addKey.selector = new char[] { 'a', 'd', 'd' };
    addKey.arguments = new Expression[] { keyArg };
    MessageSend valueArg = new MessageSend();
    valueArg.receiver = new SingleNameReference(entryName, 0L);
    valueArg.selector = "getValue".toCharArray();
    MessageSend addValue = new MessageSend();
    FieldReference thisDotValueField = new FieldReference(valueFieldName, 0L);
    thisDotValueField.receiver = new ThisReference(0, 0);
    addValue.receiver = thisDotValueField;
    addValue.selector = new char[] { 'a', 'd', 'd' };
    addValue.arguments = new Expression[] { valueArg };
    LocalDeclaration elementVariable = new LocalDeclaration(entryName, 0, 0);
    elementVariable.type = forEachType;
    ForeachStatement forEach = new ForeachStatement(elementVariable, 0);
    MessageSend invokeEntrySet = new MessageSend();
    invokeEntrySet.selector = new char[] { 'e', 'n', 't', 'r', 'y', 'S', 'e', 't' };
    invokeEntrySet.receiver = new SingleNameReference(data.getPluralName(), 0L);
    forEach.collection = invokeEntrySet;
    Block forEachContent = new Block(0);
    forEachContent.statements = new Statement[] { addKey, addValue };
    forEach.action = forEachContent;
    statements.add(forEach);
    if (returnStatement != null)
        statements.add(returnStatement);
    md.statements = statements.toArray(new Statement[statements.size()]);
    TypeReference paramType = new QualifiedTypeReference(JAVA_UTIL_MAP, NULL_POSS);
    paramType = addTypeArgs(2, true, builderType, paramType, data.getTypeArgs());
    Argument param = new Argument(data.getPluralName(), 0, paramType, 0);
    md.arguments = new Argument[] { param };
    md.returnType = returnType;
    md.selector = fluent ? data.getPluralName() : HandlerUtil.buildAccessorName("putAll", new String(data.getPluralName())).toCharArray();
    md.annotations = deprecate ? new Annotation[] { generateDeprecatedAnnotation(data.getSource()) } : null;
    data.setGeneratedByRecursive(md);
    injectMethod(builderType, md);
}

Example 7 with LocalDeclaration

use of org.eclipse.jdt.internal.compiler.ast.LocalDeclaration in project lombok by rzwitserloot.

the class HandleEqualsAndHashCode method createLocalDeclaration.

public LocalDeclaration createLocalDeclaration(ASTNode source, char[] dollarFieldName, TypeReference type, Expression initializer) {
    int pS = source.sourceStart, pE = source.sourceEnd;
    LocalDeclaration tempVar = new LocalDeclaration(dollarFieldName, pS, pE);
    setGeneratedBy(tempVar, source);
    tempVar.initialization = initializer;
    tempVar.type = type;
    tempVar.type.sourceStart = pS;
    tempVar.type.sourceEnd = pE;
    setGeneratedBy(tempVar.type, source);
    tempVar.modifiers = Modifier.FINAL;
    return tempVar;
}

Example 8 with LocalDeclaration

use of org.eclipse.jdt.internal.compiler.ast.LocalDeclaration in project lombok by rzwitserloot.

the class HandleHelper method handle.

@Override
public void handle(AnnotationValues<Helper> annotation, Annotation ast, EclipseNode annotationNode) {
    handleExperimentalFlagUsage(annotationNode, ConfigurationKeys.HELPER_FLAG_USAGE, "@Helper");
    EclipseNode annotatedType = annotationNode.up();
    EclipseNode containingBlock = annotatedType == null ? null : annotatedType.directUp();
    Statement[] origStatements = getStatementsFromAstNode(containingBlock == null ? null : containingBlock.get());
    if (annotatedType == null || annotatedType.getKind() != Kind.TYPE || origStatements == null) {
        annotationNode.addError("@Helper is legal only on method-local classes.");
        return;
    }
    TypeDeclaration annotatedType_ = (TypeDeclaration) annotatedType.get();
    int indexOfType = -1;
    for (int i = 0; i < origStatements.length; i++) {
        if (origStatements[i] == annotatedType_) {
            indexOfType = i;
            break;
        }
    }
    final List<String> knownMethodNames = new ArrayList<String>();
    for (AbstractMethodDeclaration methodOfHelper : annotatedType_.methods) {
        if (!(methodOfHelper instanceof MethodDeclaration))
            continue;
        char[] name = methodOfHelper.selector;
        if (name != null && name.length > 0 && name[0] != '<')
            knownMethodNames.add(new String(name));
    }
    Collections.sort(knownMethodNames);
    final String[] knownMethodNames_ = knownMethodNames.toArray(new String[knownMethodNames.size()]);
    final char[] helperName = new char[annotatedType_.name.length + 1];
    final boolean[] helperUsed = new boolean[1];
    helperName[0] = '$';
    System.arraycopy(annotatedType_.name, 0, helperName, 1, helperName.length - 1);
    ASTVisitor visitor = new ASTVisitor() {

        @Override
        public boolean visit(MessageSend messageSend, BlockScope scope) {
            if (messageSend.receiver instanceof ThisReference) {
                if ((((ThisReference) messageSend.receiver).bits & ASTNode.IsImplicitThis) == 0)
                    return true;
            } else if (messageSend.receiver != null)
                return true;
            char[] name = messageSend.selector;
            if (name == null || name.length == 0 || name[0] == '<')
                return true;
            String n = new String(name);
            if (Arrays.binarySearch(knownMethodNames_, n) < 0)
                return true;
            messageSend.receiver = new SingleNameReference(helperName, messageSend.nameSourcePosition);
            helperUsed[0] = true;
            return true;
        }
    };
    for (int i = indexOfType + 1; i < origStatements.length; i++) {
        origStatements[i].traverse(visitor, null);
    }
    if (!helperUsed[0]) {
        annotationNode.addWarning("No methods of this helper class are ever used.");
        return;
    }
    Statement[] newStatements = new Statement[origStatements.length + 1];
    System.arraycopy(origStatements, 0, newStatements, 0, indexOfType + 1);
    System.arraycopy(origStatements, indexOfType + 1, newStatements, indexOfType + 2, origStatements.length - indexOfType - 1);
    LocalDeclaration decl = new LocalDeclaration(helperName, 0, 0);
    decl.modifiers |= ClassFileConstants.AccFinal;
    AllocationExpression alloc = new AllocationExpression();
    alloc.type = new SingleTypeReference(annotatedType_.name, 0L);
    decl.initialization = alloc;
    decl.type = new SingleTypeReference(annotatedType_.name, 0L);
    SetGeneratedByVisitor sgbvVisitor = new SetGeneratedByVisitor(annotationNode.get());
    decl.traverse(sgbvVisitor, null);
    newStatements[indexOfType + 1] = decl;
    setStatementsOfAstNode(containingBlock.get(), newStatements);
}

Example 9 with LocalDeclaration

use of org.eclipse.jdt.internal.compiler.ast.LocalDeclaration in project lombok by rzwitserloot.

the class EclipseJavaUtilListSingularizer method appendBuildCode.

@Override
public void appendBuildCode(SingularData data, EclipseNode builderType, List<Statement> statements, char[] targetVariableName) {
    if (useGuavaInstead(builderType)) {
        guavaListSetSingularizer.appendBuildCode(data, builderType, statements, targetVariableName);
        return;
    }
    List<Statement> switchContents = new ArrayList<Statement>();
    /* case 0: (empty) break; */
    {
        switchContents.add(new CaseStatement(makeIntLiteral(new char[] { '0' }, null), 0, 0));
        MessageSend invoke = new MessageSend();
        invoke.receiver = new QualifiedNameReference(JAVA_UTIL_COLLECTIONS, NULL_POSS, 0, 0);
        invoke.selector = "emptyList".toCharArray();
        switchContents.add(new Assignment(new SingleNameReference(data.getPluralName(), 0), invoke, 0));
        switchContents.add(new BreakStatement(null, 0, 0));
    }
    /* case 1: (singleton) break; */
    {
        switchContents.add(new CaseStatement(makeIntLiteral(new char[] { '1' }, null), 0, 0));
        FieldReference thisDotField = new FieldReference(data.getPluralName(), 0L);
        thisDotField.receiver = new ThisReference(0, 0);
        MessageSend thisDotFieldGet0 = new MessageSend();
        thisDotFieldGet0.receiver = thisDotField;
        thisDotFieldGet0.selector = new char[] { 'g', 'e', 't' };
        thisDotFieldGet0.arguments = new Expression[] { makeIntLiteral(new char[] { '0' }, null) };
        Expression[] args = new Expression[] { thisDotFieldGet0 };
        MessageSend invoke = new MessageSend();
        invoke.receiver = new QualifiedNameReference(JAVA_UTIL_COLLECTIONS, NULL_POSS, 0, 0);
        invoke.selector = "singletonList".toCharArray();
        invoke.arguments = args;
        switchContents.add(new Assignment(new SingleNameReference(data.getPluralName(), 0), invoke, 0));
        switchContents.add(new BreakStatement(null, 0, 0));
    }
    /* default: Create by passing builder field to constructor. */
    {
        switchContents.add(new CaseStatement(null, 0, 0));
        Expression argToUnmodifiable;
        /* new j.u.ArrayList<Generics>(this.pluralName); */
        {
            FieldReference thisDotPluralName = new FieldReference(data.getPluralName(), 0L);
            thisDotPluralName.receiver = new ThisReference(0, 0);
            TypeReference targetTypeExpr = new QualifiedTypeReference(JAVA_UTIL_ARRAYLIST, NULL_POSS);
            targetTypeExpr = addTypeArgs(1, false, builderType, targetTypeExpr, data.getTypeArgs());
            AllocationExpression constructorCall = new AllocationExpression();
            constructorCall.type = targetTypeExpr;
            constructorCall.arguments = new Expression[] { thisDotPluralName };
            argToUnmodifiable = constructorCall;
        }
        /* pluralname = Collections.unmodifiableList(-newlist-); */
        {
            MessageSend unmodInvoke = new MessageSend();
            unmodInvoke.receiver = new QualifiedNameReference(JAVA_UTIL_COLLECTIONS, NULL_POSS, 0, 0);
            unmodInvoke.selector = "unmodifiableList".toCharArray();
            unmodInvoke.arguments = new Expression[] { argToUnmodifiable };
            switchContents.add(new Assignment(new SingleNameReference(data.getPluralName(), 0), unmodInvoke, 0));
        }
    }
    SwitchStatement switchStat = new SwitchStatement();
    switchStat.statements = switchContents.toArray(new Statement[switchContents.size()]);
    switchStat.expression = getSize(builderType, data.getPluralName(), true);
    TypeReference localShadowerType = new QualifiedTypeReference(Eclipse.fromQualifiedName(data.getTargetFqn()), NULL_POSS);
    localShadowerType = addTypeArgs(1, false, builderType, localShadowerType, data.getTypeArgs());
    LocalDeclaration varDefStat = new LocalDeclaration(data.getPluralName(), 0, 0);
    varDefStat.type = localShadowerType;
    statements.add(varDefStat);
    statements.add(switchStat);
}

Example 10 with LocalDeclaration

use of org.eclipse.jdt.internal.compiler.ast.LocalDeclaration in project lombok by rzwitserloot.

the class PatchValEclipse method copyInitializationOfLocalDeclaration.

public static void copyInitializationOfLocalDeclaration(Parser parser) {
    ASTNode[] astStack;
    int astPtr;
    try {
        astStack = (ASTNode[]) Reflection.astStackField.get(parser);
        astPtr = (Integer) Reflection.astPtrField.get(parser);
    } catch (Exception e) {
        // Most likely we're in ecj or some other plugin usage of the eclipse compiler. No need for this.
        return;
    }
    AbstractVariableDeclaration variableDecl = (AbstractVariableDeclaration) astStack[astPtr];
    if (!(variableDecl instanceof LocalDeclaration))
        return;
    ASTNode init = variableDecl.initialization;
    if (init == null)
        return;
    boolean val = couldBeVal(variableDecl.type);
    boolean var = couldBeVar(variableDecl.type);
    if (!(val || var))
        return;
    try {
        if (Reflection.initCopyField != null)
            Reflection.initCopyField.set(variableDecl, init);
    } catch (Exception e) {
    // In ecj mode this field isn't there and we don't need the copy anyway, so, we ignore the exception.
    }
}