Example usage for org.eclipse.jdt.core.dom Block Block

List of usage examples for org.eclipse.jdt.core.dom Block Block

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.dom Block Block.

Prototype

Block(AST ast) 

Source Link

Document

Creates a new unparented block node owned by the given AST.

Usage

From source file:org.eclipse.jdt.core.dom.ASTConverter.java

License:Open Source License

public ASTNode convert(boolean isInterface,
        org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration methodDeclaration) {
    checkCanceled();/*  w  w w  . ja  v a2  s  . c o m*/
    if (methodDeclaration instanceof org.eclipse.jdt.internal.compiler.ast.AnnotationMethodDeclaration) {
        return convert((org.eclipse.jdt.internal.compiler.ast.AnnotationMethodDeclaration) methodDeclaration);
    }
    MethodDeclaration methodDecl = new MethodDeclaration(this.ast);
    setModifiers(methodDecl, methodDeclaration);
    boolean isConstructor = methodDeclaration.isConstructor();
    methodDecl.setConstructor(isConstructor);
    final SimpleName methodName = new SimpleName(this.ast);
    methodName.internalSetIdentifier(new String(methodDeclaration.selector));
    int start = methodDeclaration.sourceStart;
    // GROOVY start
    // why does this do what it does?
    /* old {
    int end = retrieveIdentifierEndPosition(start, methodDeclaration.sourceEnd);
    } new */
    int end = (scannerAvailable(methodDeclaration.scope)
            ? retrieveIdentifierEndPosition(start, methodDeclaration.sourceEnd)
            : methodDeclaration.sourceEnd);
    // GROOVY end
    methodName.setSourceRange(start, end - start + 1);
    methodDecl.setName(methodName);
    org.eclipse.jdt.internal.compiler.ast.TypeReference[] thrownExceptions = methodDeclaration.thrownExceptions;
    int methodHeaderEnd = methodDeclaration.sourceEnd;
    int thrownExceptionsLength = thrownExceptions == null ? 0 : thrownExceptions.length;
    if (thrownExceptionsLength > 0) {
        Name thrownException;
        int i = 0;
        do {
            thrownException = convert(thrownExceptions[i++]);
            methodDecl.thrownExceptions().add(thrownException);
        } while (i < thrownExceptionsLength);
        methodHeaderEnd = thrownException.getStartPosition() + thrownException.getLength();
    }
    org.eclipse.jdt.internal.compiler.ast.Argument[] parameters = methodDeclaration.arguments;
    int parametersLength = parameters == null ? 0 : parameters.length;
    if (parametersLength > 0) {
        SingleVariableDeclaration parameter;
        int i = 0;
        do {
            // GROOVY start
            // make sure the scope is available just in case it is necessary for varargs
            // new code
            BlockScope origScope = null;
            if (parameters[i].binding != null) {
                origScope = parameters[i].binding.declaringScope;
                parameters[i].binding.declaringScope = methodDeclaration.scope;
            }
            // GROOVY end

            parameter = convert(parameters[i++]);

            // GROOVY start
            // unset the scope
            // new code
            if (parameters[i - 1].binding != null) {
                parameters[i - 1].binding.declaringScope = origScope;
            }
            // GROOVY end
            methodDecl.parameters().add(parameter);
        } while (i < parametersLength);
        if (thrownExceptionsLength == 0) {
            methodHeaderEnd = parameter.getStartPosition() + parameter.getLength();
        }
    }
    org.eclipse.jdt.internal.compiler.ast.ExplicitConstructorCall explicitConstructorCall = null;
    if (isConstructor) {
        if (isInterface) {
            // interface cannot have a constructor
            methodDecl.setFlags(methodDecl.getFlags() | ASTNode.MALFORMED);
        }
        org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration constructorDeclaration = (org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration) methodDeclaration;
        explicitConstructorCall = constructorDeclaration.constructorCall;
        switch (this.ast.apiLevel) {
        case AST.JLS2_INTERNAL:
            // set the return type to VOID
            PrimitiveType returnType = new PrimitiveType(this.ast);
            returnType.setPrimitiveTypeCode(PrimitiveType.VOID);
            returnType.setSourceRange(methodDeclaration.sourceStart, 0);
            methodDecl.internalSetReturnType(returnType);
            break;
        default:
            methodDecl.setReturnType2(null);
        }
    } else if (methodDeclaration instanceof org.eclipse.jdt.internal.compiler.ast.MethodDeclaration) {
        org.eclipse.jdt.internal.compiler.ast.MethodDeclaration method = (org.eclipse.jdt.internal.compiler.ast.MethodDeclaration) methodDeclaration;
        org.eclipse.jdt.internal.compiler.ast.TypeReference typeReference = method.returnType;
        if (typeReference != null) {
            Type returnType = convertType(typeReference);
            // get the positions of the right parenthesis
            int rightParenthesisPosition = retrieveEndOfRightParenthesisPosition(end, method.bodyEnd);
            int extraDimensions = retrieveExtraDimension(rightParenthesisPosition, method.bodyEnd);
            methodDecl.setExtraDimensions(extraDimensions);
            setTypeForMethodDeclaration(methodDecl, returnType, extraDimensions);
        } else {
            // no return type for a method that is not a constructor
            methodDecl.setFlags(methodDecl.getFlags() | ASTNode.MALFORMED);
            switch (this.ast.apiLevel) {
            case AST.JLS2_INTERNAL:
                break;
            default:
                methodDecl.setReturnType2(null);
            }
        }
    }
    int declarationSourceStart = methodDeclaration.declarationSourceStart;
    int bodyEnd = methodDeclaration.bodyEnd;
    methodDecl.setSourceRange(declarationSourceStart, bodyEnd - declarationSourceStart + 1);
    int declarationSourceEnd = methodDeclaration.declarationSourceEnd;
    int rightBraceOrSemiColonPositionStart = bodyEnd == declarationSourceEnd ? bodyEnd : bodyEnd + 1;
    int closingPosition = retrieveRightBraceOrSemiColonPosition(rightBraceOrSemiColonPositionStart,
            declarationSourceEnd);
    if (closingPosition != -1) {
        int startPosition = methodDecl.getStartPosition();
        methodDecl.setSourceRange(startPosition, closingPosition - startPosition + 1);

        org.eclipse.jdt.internal.compiler.ast.Statement[] statements = methodDeclaration.statements;

        start = retrieveStartBlockPosition(methodHeaderEnd, methodDeclaration.bodyStart);
        if (start == -1)
            start = methodDeclaration.bodyStart; // use recovery position for body start
        end = retrieveRightBrace(methodDeclaration.bodyEnd, declarationSourceEnd);
        Block block = null;
        if (start != -1 && end != -1) {
            /*
             * start or end can be equal to -1 if we have an interface's method.
             */
            block = new Block(this.ast);
            block.setSourceRange(start, closingPosition - start + 1);
            methodDecl.setBody(block);
        }
        if (block != null && (statements != null || explicitConstructorCall != null)) {
            if (explicitConstructorCall != null
                    && explicitConstructorCall.accessMode != org.eclipse.jdt.internal.compiler.ast.ExplicitConstructorCall.ImplicitSuper) {
                block.statements().add(convert(explicitConstructorCall));
            }
            int statementsLength = statements == null ? 0 : statements.length;
            for (int i = 0; i < statementsLength; i++) {
                if (statements[i] instanceof org.eclipse.jdt.internal.compiler.ast.LocalDeclaration) {
                    checkAndAddMultipleLocalDeclaration(statements, i, block.statements());
                } else {
                    final Statement statement = convert(statements[i]);
                    if (statement != null) {
                        block.statements().add(statement);
                    }
                }
            }
        }
        if (block != null && (Modifier.isAbstract(methodDecl.getModifiers())
                || Modifier.isNative(methodDecl.getModifiers()) || isInterface)) {
            methodDecl.setFlags(methodDecl.getFlags() | ASTNode.MALFORMED);
        }
    } else {
        // syntax error in this method declaration
        methodDecl.setFlags(methodDecl.getFlags() | ASTNode.MALFORMED);
        if (!methodDeclaration.isNative() && !methodDeclaration.isAbstract()) {
            start = retrieveStartBlockPosition(methodHeaderEnd, bodyEnd);
            if (start == -1)
                start = methodDeclaration.bodyStart; // use recovery position for body start
            end = methodDeclaration.bodyEnd;
            // try to get the best end position
            CategorizedProblem[] problems = methodDeclaration.compilationResult().problems;
            if (problems != null) {
                for (int i = 0, max = methodDeclaration.compilationResult().problemCount; i < max; i++) {
                    CategorizedProblem currentProblem = problems[i];
                    if (currentProblem.getSourceStart() == start
                            && currentProblem.getID() == IProblem.ParsingErrorInsertToComplete) {
                        end = currentProblem.getSourceEnd();
                        break;
                    }
                }
            }
            int startPosition = methodDecl.getStartPosition();
            methodDecl.setSourceRange(startPosition, end - startPosition + 1);
            if (start != -1 && end != -1) {
                /*
                 * start or end can be equal to -1 if we have an interface's method.
                 */
                Block block = new Block(this.ast);
                block.setSourceRange(start, end - start + 1);
                methodDecl.setBody(block);
            }
        }
    }

    org.eclipse.jdt.internal.compiler.ast.TypeParameter[] typeParameters = methodDeclaration.typeParameters();
    if (typeParameters != null) {
        switch (this.ast.apiLevel) {
        case AST.JLS2_INTERNAL:
            methodDecl.setFlags(methodDecl.getFlags() | ASTNode.MALFORMED);
            break;
        default:
            for (int i = 0, max = typeParameters.length; i < max; i++) {
                methodDecl.typeParameters().add(convert(typeParameters[i]));
            }
        }
    }

    // The javadoc comment is now got from list store in compilation unit declaration
    convert(methodDeclaration.javadoc, methodDecl);
    if (this.resolveBindings) {
        recordNodes(methodDecl, methodDeclaration);
        recordNodes(methodName, methodDeclaration);
        methodDecl.resolveBinding();
    }
    return methodDecl;
}

From source file:org.eclipse.jdt.core.dom.ASTConverter.java

License:Open Source License

public Block convert(org.eclipse.jdt.internal.compiler.ast.Block statement) {
    Block block = new Block(this.ast);
    if (statement.sourceEnd > 0) {
        block.setSourceRange(statement.sourceStart, statement.sourceEnd - statement.sourceStart + 1);
    }/*from w w w. j av  a2  s. co  m*/
    org.eclipse.jdt.internal.compiler.ast.Statement[] statements = statement.statements;
    if (statements != null) {
        int statementsLength = statements.length;
        for (int i = 0; i < statementsLength; i++) {
            if (statements[i] instanceof org.eclipse.jdt.internal.compiler.ast.LocalDeclaration) {
                checkAndAddMultipleLocalDeclaration(statements, i, block.statements());
            } else {
                Statement statement2 = convert(statements[i]);
                if (statement2 != null) {
                    block.statements().add(statement2);
                }
            }
        }
    }
    return block;
}