| /******************************************************************************* |
| * Copyright (c) 2009 xored software, Inc. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * xored software, Inc. - initial API and Implementation (Vladimir Belov) |
| *******************************************************************************/ |
| |
| package org.eclipse.dltk.javascript.parser; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.List; |
| import java.util.Stack; |
| |
| import org.antlr.runtime.RuleReturnScope; |
| import org.antlr.runtime.Token; |
| import org.antlr.runtime.tree.Tree; |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.dltk.ast.ASTNode; |
| import org.eclipse.dltk.ast.ASTVisitor; |
| import org.eclipse.dltk.javascript.ast.ArrayInitializer; |
| import org.eclipse.dltk.javascript.ast.AsteriskExpression; |
| import org.eclipse.dltk.javascript.ast.BinaryOperation; |
| import org.eclipse.dltk.javascript.ast.BooleanLiteral; |
| import org.eclipse.dltk.javascript.ast.BreakStatement; |
| import org.eclipse.dltk.javascript.ast.CallExpression; |
| import org.eclipse.dltk.javascript.ast.CaseClause; |
| import org.eclipse.dltk.javascript.ast.CatchClause; |
| import org.eclipse.dltk.javascript.ast.CommaExpression; |
| import org.eclipse.dltk.javascript.ast.Comment; |
| import org.eclipse.dltk.javascript.ast.ConditionalOperator; |
| import org.eclipse.dltk.javascript.ast.ConstDeclaration; |
| import org.eclipse.dltk.javascript.ast.ContinueStatement; |
| import org.eclipse.dltk.javascript.ast.DecimalLiteral; |
| import org.eclipse.dltk.javascript.ast.DefaultClause; |
| import org.eclipse.dltk.javascript.ast.DefaultXmlNamespaceStatement; |
| import org.eclipse.dltk.javascript.ast.DeleteStatement; |
| import org.eclipse.dltk.javascript.ast.DoWhileStatement; |
| import org.eclipse.dltk.javascript.ast.EmptyExpression; |
| import org.eclipse.dltk.javascript.ast.ExceptionFilter; |
| import org.eclipse.dltk.javascript.ast.Expression; |
| import org.eclipse.dltk.javascript.ast.FinallyClause; |
| import org.eclipse.dltk.javascript.ast.ForEachInStatement; |
| import org.eclipse.dltk.javascript.ast.ForInStatement; |
| import org.eclipse.dltk.javascript.ast.ForStatement; |
| import org.eclipse.dltk.javascript.ast.FunctionStatement; |
| import org.eclipse.dltk.javascript.ast.GetAllChildrenExpression; |
| import org.eclipse.dltk.javascript.ast.GetArrayItemExpression; |
| import org.eclipse.dltk.javascript.ast.GetLocalNameExpression; |
| import org.eclipse.dltk.javascript.ast.GetMethod; |
| import org.eclipse.dltk.javascript.ast.Identifier; |
| import org.eclipse.dltk.javascript.ast.IfStatement; |
| import org.eclipse.dltk.javascript.ast.Keyword; |
| import org.eclipse.dltk.javascript.ast.Keywords; |
| import org.eclipse.dltk.javascript.ast.Label; |
| import org.eclipse.dltk.javascript.ast.LabelledStatement; |
| import org.eclipse.dltk.javascript.ast.MultiLineComment; |
| import org.eclipse.dltk.javascript.ast.NewExpression; |
| import org.eclipse.dltk.javascript.ast.NullExpression; |
| import org.eclipse.dltk.javascript.ast.ObjectInitializer; |
| import org.eclipse.dltk.javascript.ast.ParenthesizedExpression; |
| import org.eclipse.dltk.javascript.ast.PropertyExpression; |
| import org.eclipse.dltk.javascript.ast.PropertyInitializer; |
| import org.eclipse.dltk.javascript.ast.RegExpLiteral; |
| import org.eclipse.dltk.javascript.ast.ReturnStatement; |
| import org.eclipse.dltk.javascript.ast.Script; |
| import org.eclipse.dltk.javascript.ast.SetMethod; |
| import org.eclipse.dltk.javascript.ast.SingleLineComment; |
| import org.eclipse.dltk.javascript.ast.Statement; |
| import org.eclipse.dltk.javascript.ast.StatementBlock; |
| import org.eclipse.dltk.javascript.ast.StringLiteral; |
| import org.eclipse.dltk.javascript.ast.SwitchComponent; |
| import org.eclipse.dltk.javascript.ast.SwitchStatement; |
| import org.eclipse.dltk.javascript.ast.ThisExpression; |
| import org.eclipse.dltk.javascript.ast.ThrowStatement; |
| import org.eclipse.dltk.javascript.ast.TryStatement; |
| import org.eclipse.dltk.javascript.ast.TypeOfExpression; |
| import org.eclipse.dltk.javascript.ast.UnaryOperation; |
| import org.eclipse.dltk.javascript.ast.VariableDeclaration; |
| import org.eclipse.dltk.javascript.ast.VoidExpression; |
| import org.eclipse.dltk.javascript.ast.VoidOperator; |
| import org.eclipse.dltk.javascript.ast.WhileStatement; |
| import org.eclipse.dltk.javascript.ast.WithStatement; |
| import org.eclipse.dltk.javascript.ast.XmlAttributeIdentifier; |
| import org.eclipse.dltk.javascript.ast.XmlLiteral; |
| import org.eclipse.dltk.javascript.ast.YieldOperator; |
| |
| public class JSTransformer extends JSVisitor<ASTNode> { |
| |
| private final List<Token> tokens; |
| private final int[] tokenOffsets; |
| private Stack<ASTNode> parents = new Stack<ASTNode>(); |
| |
| private static final int MAX_RECURSION_DEEP = 512; |
| |
| private void checkRecursionDeep() { |
| if (parents.size() > MAX_RECURSION_DEEP) |
| throw new IllegalArgumentException("Too many AST deep"); |
| } |
| |
| public JSTransformer(List<Token> tokens) { |
| Assert.isNotNull(tokens); |
| this.tokens = tokens; |
| tokenOffsets = prepareOffsetMap(tokens); |
| } |
| |
| public Script transform(RuleReturnScope root) { |
| Assert.isNotNull(root); |
| final Tree tree = (Tree) root.getTree(); |
| if (tree == null) |
| return null; |
| final Script script = new Script(); |
| if (tree.getType() != 0) { |
| script.addStatement(transformStatementNode(tree, script)); |
| } else { |
| for (int i = 0; i < tree.getChildCount(); i++) { |
| script.addStatement(transformStatementNode(tree.getChild(i), |
| script)); |
| } |
| } |
| addComments(script); |
| script.setStart(0); |
| script.setEnd(tokenOffsets[tokenOffsets.length - 1]); |
| return script; |
| } |
| |
| private ASTNode getParent() { |
| if (parents.isEmpty()) { |
| return null; |
| } else { |
| return parents.peek(); |
| } |
| } |
| |
| private ASTNode transformNode(Tree node, ASTNode parent) { |
| checkRecursionDeep(); |
| parents.push(parent); |
| try { |
| checkRecursionDeep(); |
| ASTNode result = visitNode(node); |
| Assert.isNotNull(result, node.toString()); |
| return result; |
| } finally { |
| parents.pop(); |
| } |
| } |
| |
| private static int[] prepareOffsetMap(List<Token> tokens) { |
| final int[] offsets = new int[tokens.size() + 1]; |
| int offset = 0; |
| for (int i = 0; i < tokens.size(); i++) { |
| offsets[i] = offset; |
| offset += tokens.get(i).getText().length(); |
| } |
| offsets[tokens.size()] = offset; |
| return offsets; |
| } |
| |
| private int getTokenOffset(int tokenIndex) { |
| Assert.isTrue(tokenOffsets != null); |
| Assert.isTrue(tokenIndex >= -1 && tokenIndex < tokenOffsets.length); |
| |
| return tokenOffsets[tokenIndex]; |
| } |
| |
| private int getTokenOffset(int tokenType, int startTokenIndex, |
| int endTokenIndex) { |
| |
| Assert.isTrue(startTokenIndex >= 0); |
| Assert.isTrue(endTokenIndex > 0); |
| Assert.isTrue(startTokenIndex <= endTokenIndex); |
| |
| Token token = null; |
| |
| for (int i = startTokenIndex; i <= endTokenIndex; i++) { |
| Token item = tokens.get(i); |
| if (item.getType() == tokenType) { |
| token = item; |
| break; |
| } |
| } |
| |
| if (token == null) |
| return -1; |
| else |
| return getTokenOffset(token.getTokenIndex()); |
| } |
| |
| private int getTokenOffset(int tokenType, int startTokenIndex, |
| int endTokenIndex, int skipCount) { |
| |
| Assert.isTrue(startTokenIndex >= 0); |
| Assert.isTrue(endTokenIndex > 0); |
| Assert.isTrue(startTokenIndex <= endTokenIndex); |
| |
| Token token = null; |
| |
| int skipped = 0; |
| |
| for (int i = startTokenIndex; i <= endTokenIndex; i++) { |
| Token item = tokens.get(i); |
| if (item.getType() == tokenType) { |
| if (skipped == skipCount) { |
| token = item; |
| break; |
| } else { |
| skipped++; |
| } |
| } |
| } |
| |
| if (token == null) |
| return -1; |
| else |
| return getTokenOffset(token.getTokenIndex()); |
| |
| } |
| |
| private Statement transformStatementNode(Tree node, ASTNode parent) { |
| |
| ASTNode expression = transformNode(node, parent); |
| |
| if (expression instanceof Statement) |
| return (Statement) expression; |
| else { |
| VoidExpression voidExpression = new VoidExpression(parent); |
| voidExpression.setExpression((Expression) expression); |
| |
| Token token = tokens.get(node.getTokenStopIndex()); |
| |
| if (token.getType() == JSParser.SEMIC) { |
| voidExpression.setSemicolonPosition(getTokenOffset(token |
| .getTokenIndex())); |
| voidExpression.getExpression().setEnd( |
| Math.min(voidExpression.getSemicolonPosition(), |
| expression.sourceEnd())); |
| } |
| |
| Assert.isTrue(expression.sourceStart() >= 0); |
| Assert.isTrue(expression.sourceEnd() > 0); |
| |
| voidExpression.setStart(expression.sourceStart()); |
| voidExpression.setEnd(Math.max(expression.sourceEnd(), |
| voidExpression.getSemicolonPosition() + 1)); |
| |
| return voidExpression; |
| } |
| } |
| |
| private static class ASTNodeList extends ASTNode { |
| final List<ASTNode> nodes; |
| |
| /** |
| * @param count |
| */ |
| public ASTNodeList(int count) { |
| nodes = new ArrayList<ASTNode>(count); |
| } |
| |
| @Override |
| public void traverse(ASTVisitor visitor) throws Exception { |
| if (visitor.visit(this)) { |
| for (ASTNode node : nodes) { |
| node.traverse(visitor); |
| } |
| visitor.endvisit(this); |
| } |
| } |
| |
| public void add(ASTNode node) { |
| nodes.add(node); |
| } |
| |
| } |
| |
| private List<ASTNode> transformListNode(Tree node, ASTNode parent) { |
| ASTNode result = transformNode(node, parent); |
| if (result instanceof ASTNodeList) { |
| return ((ASTNodeList) result).nodes; |
| } else { |
| return Collections.singletonList(result); |
| } |
| } |
| |
| protected ASTNode visitArguments(Tree node) { |
| ASTNodeList nodes = new ASTNodeList(node.getChildCount()); |
| |
| for (int i = 0; i < node.getChildCount(); i++) { |
| nodes.add(transformNode(node.getChild(i), getParent())); |
| } |
| |
| return nodes; |
| } |
| |
| protected ASTNode visitBinaryOperation(Tree node) { |
| if (node.getType() == JSParser.MUL) { |
| switch (node.getChildCount()) { |
| case 0: |
| return visitAsterisk(node); |
| case 1: |
| // HACK |
| return visit(node.getChild(0)); |
| } |
| |
| } |
| |
| Assert.isNotNull(node.getChild(0)); |
| Assert.isNotNull(node.getChild(1)); |
| |
| BinaryOperation operation = new BinaryOperation(getParent()); |
| |
| operation.setOperation(node.getType()); |
| |
| operation.setLeftExpression((Expression) transformNode( |
| node.getChild(0), getParent())); |
| |
| operation.setRightExpression((Expression) transformNode(node |
| .getChild(1), getParent())); |
| |
| operation.setOperationPosition(getTokenOffset(node.getType(), |
| getRealTokenStopIndex(node.getChild(0)) + 1, node.getChild(1) |
| .getTokenStartIndex())); |
| |
| Assert.isTrue(operation.getOperationPosition() >= operation |
| .getLeftExpression().sourceEnd()); |
| Assert.isTrue(operation.getOperationPosition() |
| + operation.getOperationText().length() <= operation |
| .getRightExpression().sourceStart()); |
| |
| operation.setStart(operation.getLeftExpression().sourceStart()); |
| operation.setEnd(operation.getRightExpression().sourceEnd()); |
| |
| return operation; |
| } |
| |
| @Override |
| protected ASTNode visitBlock(Tree node) { |
| |
| StatementBlock block = new StatementBlock(getParent()); |
| |
| List<Statement> statements = block.getStatements(); |
| for (int i = 0; i < node.getChildCount(); i++) { |
| statements.add(transformStatementNode(node.getChild(i), block)); |
| } |
| |
| block.setLC(getTokenOffset(JSParser.LBRACE, node.getTokenStartIndex(), |
| node.getTokenStopIndex())); |
| |
| block.setRC(getTokenOffset(JSParser.RBRACE, node.getTokenStopIndex(), |
| node.getTokenStopIndex())); |
| |
| if (block.getLC() > -1) { |
| block.setStart(block.getLC()); |
| } else if (!statements.isEmpty()) { |
| block.setStart(statements.get(0).sourceStart()); |
| } else { |
| block.setStart(getTokenOffset(node.getTokenStartIndex())); |
| } |
| if (block.getRC() > -1) { |
| block.setEnd(block.getRC() + 1); |
| } else if (!statements.isEmpty()) { |
| block.setEnd(statements.get(statements.size() - 1).sourceStart()); |
| } else { |
| block.setEnd(getTokenOffset(node.getTokenStopIndex())); |
| } |
| |
| return block; |
| } |
| |
| protected ASTNode visitBreak(Tree node) { |
| BreakStatement statement = new BreakStatement(getParent()); |
| |
| Keyword breakKeyword = new Keyword(statement, Keywords.BREAK); |
| breakKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| breakKeyword.setEnd(breakKeyword.sourceStart() |
| + Keywords.BREAK.length()); |
| statement.setBreakKeyword(breakKeyword); |
| |
| if (node.getChildCount() > 0) { |
| Label label = new Label(statement); |
| label.setText(node.getChild(0).getText()); |
| label |
| .setStart(getTokenOffset(node.getChild(0) |
| .getTokenStartIndex())); |
| label |
| .setEnd(getTokenOffset(node.getChild(0).getTokenStopIndex() + 1)); |
| |
| statement.setLabel(label); |
| } |
| |
| statement.setSemicolonPosition(getTokenOffset(JSParser.SEMIC, node |
| .getTokenStopIndex(), node.getTokenStopIndex())); |
| |
| statement.setStart(statement.getBreakKeyword().sourceStart()); |
| |
| if (statement.getLabel() != null) |
| statement.setEnd(Math.max(statement.getSemicolonPosition() + 1, |
| statement.getLabel().sourceEnd())); |
| else |
| statement.setEnd(Math.max(statement.getSemicolonPosition() + 1, |
| statement.getBreakKeyword().sourceEnd())); |
| |
| return statement; |
| } |
| |
| protected ASTNode visitCall(Tree node) { |
| CallExpression call = new CallExpression(getParent()); |
| |
| Assert.isNotNull(node.getChild(0)); |
| Assert.isNotNull(node.getChild(1)); |
| |
| call.setExpression(transformNode(node.getChild(0), call)); |
| call.setArguments(transformListNode(node.getChild(1), call)); |
| |
| List<Integer> commas = new ArrayList<Integer>(); |
| Tree args = node.getChild(1); |
| for (int i = 1 /* miss the first */; i < args.getChildCount(); i++) { |
| commas.add(new Integer(getTokenOffset(JSParser.COMMA, args |
| .getChild(i - 1).getTokenStopIndex() + 1, args.getChild(i) |
| .getTokenStartIndex()))); |
| } |
| call.setCommas(commas); |
| |
| call.setLP(getTokenOffset(JSParser.LPAREN, node.getChild(1) |
| .getTokenStartIndex(), node.getChild(1).getTokenStartIndex())); |
| call.setRP(getTokenOffset(JSParser.RPAREN, node.getChild(1) |
| .getTokenStopIndex(), node.getChild(1).getTokenStopIndex())); |
| |
| call.setStart(call.getExpression().sourceStart()); |
| call.setEnd(call.getRP() + 1); |
| |
| return call; |
| } |
| |
| protected ASTNode visitCase(Tree node) { |
| CaseClause caseClause = new CaseClause(getParent()); |
| |
| Keyword caseKeyword = new Keyword(caseClause, Keywords.CASE); |
| caseKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| caseKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| caseClause.setCaseKeyword(caseKeyword); |
| |
| caseClause.setCondition((Expression) transformNode(node.getChild(0), |
| caseClause)); |
| |
| caseClause |
| .setColonPosition(getTokenOffset(JSParser.COLON, node.getChild( |
| 0).getTokenStopIndex() + 1, node.getTokenStopIndex())); |
| |
| // miss condition |
| for (int i = 1; i < node.getChildCount(); i++) { |
| caseClause.getStatements().add( |
| transformStatementNode(node.getChild(i), caseClause)); |
| } |
| |
| caseClause.setStart(caseClause.getCaseKeyword().sourceStart()); |
| caseClause.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return caseClause; |
| } |
| |
| protected ASTNode visitDecimalLiteral(Tree node) { |
| DecimalLiteral number = new DecimalLiteral(getParent()); |
| number.setText(node.getText()); |
| number.setStart(getTokenOffset(node.getTokenStartIndex())); |
| number.setEnd(number.sourceStart() + number.getText().length()); |
| |
| return number; |
| } |
| |
| protected ASTNode visitDefault(Tree node) { |
| DefaultClause defaultClause = new DefaultClause(getParent()); |
| |
| Keyword defaultKeyword = new Keyword(getParent(), Keywords.DEFAULT); |
| defaultKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| defaultKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| defaultClause.setDefaultKeyword(defaultKeyword); |
| |
| defaultClause.setColonPosition(getTokenOffset(JSParser.COLON, node |
| .getTokenStartIndex() + 1, node.getTokenStopIndex() + 1)); |
| |
| for (int i = 0; i < node.getChildCount(); i++) { |
| defaultClause.getStatements().add( |
| transformStatementNode(node.getChild(i), defaultClause)); |
| } |
| |
| defaultClause.setStart(defaultClause.getDefaultKeyword().sourceStart()); |
| defaultClause.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return defaultClause; |
| } |
| |
| protected ASTNode visitExpression(Tree node) { |
| if (node.getChildCount() > 0) |
| return transformNode(node.getChild(0), getParent()); |
| else |
| return new EmptyExpression(getParent()); |
| } |
| |
| protected ASTNode visitFor(Tree node) { |
| switch (node.getChild(0).getType()) { |
| case JSParser.FORSTEP: |
| return visitForStatement(node); |
| |
| case JSParser.FORITER: |
| return visitForInStatement(node); |
| |
| default: |
| throw new IllegalArgumentException("FORSTEP or FORITER expected"); |
| } |
| } |
| |
| private ASTNode visitForStatement(Tree node) { |
| ForStatement statement = new ForStatement(getParent()); |
| |
| Keyword forKeyword = new Keyword(getParent(), Keywords.FOR); |
| forKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| forKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| statement.setForKeyword(forKeyword); |
| |
| statement.setLP(getTokenOffset(JSParser.LPAREN, node |
| .getTokenStartIndex() + 1, node.getTokenStopIndex())); |
| |
| statement.setInitial((Expression) transformNode(node.getChild(0) |
| .getChild(0), statement)); |
| |
| statement.setCondition((Expression) transformNode(node.getChild(0) |
| .getChild(1), statement)); |
| |
| statement.setStep((Expression) transformNode(node.getChild(0).getChild( |
| 2), statement)); |
| |
| if (statement.getInitial() instanceof EmptyExpression) { |
| statement.setInitialSemicolonPosition(getTokenOffset( |
| JSParser.SEMIC, node.getTokenStartIndex() + 2, node |
| .getTokenStopIndex())); |
| |
| statement.getInitial().setStart( |
| statement.getInitialSemicolonPosition()); |
| statement.getInitial().setEnd( |
| statement.getInitialSemicolonPosition()); |
| |
| if (statement.getCondition() instanceof EmptyExpression) { |
| statement.setConditionalSemicolonPosition((getTokenOffset( |
| JSParser.SEMIC, node.getTokenStartIndex(), node |
| .getTokenStopIndex(), 1))); |
| |
| statement.getCondition().setStart( |
| statement.getConditionalSemicolonPosition()); |
| statement.getCondition().setEnd( |
| statement.getConditionalSemicolonPosition()); |
| |
| } else { |
| statement.setConditionalSemicolonPosition((getTokenOffset( |
| JSParser.SEMIC, node.getChild(0).getChild(1) |
| .getTokenStopIndex() + 1, node |
| .getTokenStopIndex()))); |
| |
| } |
| |
| } else { |
| statement.setInitialSemicolonPosition(getTokenOffset( |
| JSParser.SEMIC, getRealTokenStopIndex(node.getChild(0) |
| .getChild(0)) + 1, node.getTokenStopIndex())); |
| |
| if (statement.getCondition() instanceof EmptyExpression) { |
| statement.setConditionalSemicolonPosition((getTokenOffset( |
| JSParser.SEMIC, node.getChild(0).getChild(0) |
| .getTokenStopIndex() + 1, node |
| .getTokenStopIndex(), 1))); |
| |
| statement.getCondition().setStart( |
| statement.getConditionalSemicolonPosition()); |
| statement.getCondition().setEnd( |
| statement.getConditionalSemicolonPosition()); |
| |
| } else { |
| statement.setConditionalSemicolonPosition((getTokenOffset( |
| JSParser.SEMIC, getRealTokenStopIndex(node.getChild(0) |
| .getChild(1)) + 1, node.getTokenStopIndex()))); |
| } |
| } |
| |
| if (statement.getStep() instanceof EmptyExpression) { |
| statement.setStart(statement.getConditionalSemicolonPosition() + 1); |
| statement.setEnd(statement.getConditionalSemicolonPosition() + 1); |
| } |
| |
| statement.setRP(getTokenOffset(JSParser.RPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getTokenStopIndex())); |
| |
| if (node.getChildCount() > 1) |
| statement.setBody(transformStatementNode(node.getChild(1), |
| statement)); |
| |
| if (statement.getBody() == null |
| || !(statement.getBody() instanceof VoidExpression) |
| || ((VoidExpression) statement.getBody()) |
| .getSemicolonPosition() == -1) { |
| |
| statement.setSemicolonPosition(getTokenOffset(JSParser.SEMIC, node |
| .getTokenStopIndex(), node.getTokenStopIndex())); |
| |
| } |
| |
| statement.setStart(statement.getForKeyword().sourceStart()); |
| statement.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return statement; |
| } |
| |
| private ASTNode visitForInStatement(Tree node) { |
| ForInStatement statement = new ForInStatement(getParent()); |
| |
| Keyword forKeyword = new Keyword(statement, Keywords.FOR); |
| forKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| forKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| statement.setForKeyword(forKeyword); |
| |
| statement.setLP(getTokenOffset(JSParser.LPAREN, node |
| .getTokenStartIndex() + 1, node.getChild(0) |
| .getTokenStartIndex())); |
| |
| statement.setItem((Expression) transformNode(node.getChild(0).getChild( |
| 0), statement)); |
| |
| Keyword inKeyword = new Keyword(statement, Keywords.IN); |
| |
| int iteratorStart = node.getChild(0).getChild(1).getTokenStartIndex(); |
| |
| if (iteratorStart == -1 |
| && node.getChild(0).getChild(1).getType() == JSParser.EXPR |
| && node.getChild(0).getChild(1).getChildCount() > 0) |
| iteratorStart = node.getChild(0).getChild(1).getChild(0) |
| .getTokenStartIndex(); |
| |
| inKeyword.setStart(getTokenOffset(JSParser.IN, |
| getRealTokenStopIndex(node.getChild(0).getChild(0)) + 1, |
| iteratorStart)); |
| inKeyword.setEnd(inKeyword.sourceStart() + Keywords.IN.length()); |
| statement.setInKeyword(inKeyword); |
| |
| statement.setIterator((Expression) transformNode(node.getChild(0) |
| .getChild(1), statement)); |
| |
| statement.setRP(getTokenOffset(JSParser.RPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getTokenStopIndex())); |
| |
| if (node.getChildCount() > 1) |
| statement.setBody(transformStatementNode(node.getChild(1), |
| statement)); |
| |
| if (statement.getBody() == null |
| || !(statement.getBody() instanceof VoidExpression) |
| || ((VoidExpression) statement.getBody()) |
| .getSemicolonPosition() == -1) { |
| |
| statement.setSemicolonPosition(getTokenOffset(JSParser.SEMIC, node |
| .getTokenStopIndex(), node.getTokenStopIndex())); |
| |
| } |
| |
| statement.setStart(statement.getForKeyword().sourceStart()); |
| statement.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return statement; |
| } |
| |
| @Override |
| protected ASTNode visitFunction(Tree node) { |
| FunctionStatement fn = new FunctionStatement(getParent()); |
| |
| Keyword functionKeyword = new Keyword(fn, Keywords.FUNCTION); |
| functionKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| functionKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| fn.setFunctionKeyword(functionKeyword); |
| |
| int argsIndex = 0; |
| |
| if (node.getChild(0).getType() != JSParser.ARGS) { |
| fn.setName((Identifier) transformNode(node.getChild(0), fn)); |
| argsIndex++; |
| } |
| |
| Tree argsNode = node.getChild(argsIndex); |
| |
| fn.setLP(getTokenOffset(JSParser.LPAREN, node.getTokenStartIndex() + 1, |
| argsNode.getTokenStartIndex())); |
| |
| fn.setArguments(transformListNode(argsNode, fn)); |
| |
| List<Integer> commas = new ArrayList<Integer>(); |
| |
| if (argsNode.getChildCount() > 1) { |
| for (int i = 1; i < argsNode.getChildCount(); i++) { |
| commas.add(new Integer(getTokenOffset(JSParser.COMMA, argsNode |
| .getChild(i - 1).getTokenStopIndex() + 1, argsNode |
| .getChild(i).getTokenStartIndex()))); |
| } |
| } |
| fn.setArgumentCommas(commas); |
| |
| final Tree bodyNode = node.getChild(argsIndex + 1); |
| fn.setRP(getTokenOffset(JSParser.RPAREN, node.getChild(argsIndex) |
| .getTokenStopIndex(), bodyNode != null ? bodyNode |
| .getTokenStartIndex() : node.getTokenStopIndex())); |
| |
| if (bodyNode != null) { |
| fn.setBody((StatementBlock) transformNode(bodyNode, fn)); |
| } |
| |
| fn.setStart(fn.getFunctionKeyword().sourceStart()); |
| fn.setEnd(fn.getBody().sourceEnd()); |
| |
| return fn; |
| } |
| |
| protected ASTNode visitIdentifier(Tree node) { |
| |
| Identifier id = new Identifier(getParent()); |
| id.setName(node.getText()); |
| |
| id.setStart(getTokenOffset(node.getTokenStartIndex())); |
| id.setEnd(id.sourceStart() + id.getName().length()); |
| |
| return id; |
| } |
| |
| protected ASTNode visitReturn(Tree node) { |
| |
| ReturnStatement returnStatement = new ReturnStatement(getParent()); |
| |
| Keyword keyword = new Keyword(returnStatement, Keywords.RETURN); |
| keyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| keyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| returnStatement.setReturnKeyword(keyword); |
| |
| if (node.getChildCount() > 0) { |
| returnStatement.setValue((Expression) transformNode(node |
| .getChild(0), returnStatement)); |
| } |
| |
| Token token = tokens.get(node.getTokenStopIndex()); |
| if (token.getType() == JSParser.SEMIC) { |
| returnStatement.setSemicolonPosition(getTokenOffset(node |
| .getTokenStopIndex())); |
| |
| returnStatement.setEnd(returnStatement.getSemicolonPosition() + 1); |
| } else if (returnStatement.getValue() != null) { |
| returnStatement.setEnd(returnStatement.getValue().sourceEnd()); |
| } else { |
| returnStatement.setEnd(returnStatement.getReturnKeyword() |
| .sourceEnd()); |
| } |
| |
| returnStatement.setStart(returnStatement.getReturnKeyword() |
| .sourceStart()); |
| |
| return returnStatement; |
| } |
| |
| protected ASTNode visitStringLiteral(Tree node) { |
| |
| StringLiteral literal = new StringLiteral(getParent()); |
| literal.setText(node.getText()); |
| |
| literal.setStart(getTokenOffset(node.getTokenStartIndex())); |
| literal.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return literal; |
| } |
| |
| protected ASTNode visitSwitch(Tree node) { |
| |
| SwitchStatement statement = new SwitchStatement(getParent()); |
| |
| Keyword switchKeyword = new Keyword(statement, Keywords.SWITCH); |
| switchKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| switchKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| statement.setSwitchKeyword(switchKeyword); |
| |
| statement.setLP(getTokenOffset(JSParser.LPAREN, node |
| .getTokenStartIndex() + 1, node.getChild(0) |
| .getTokenStartIndex())); |
| statement.setRP(getTokenOffset(JSParser.RPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getTokenStopIndex())); |
| |
| statement.setCondition((Expression) transformNode(node.getChild(0), |
| statement)); |
| |
| statement.setLC(getTokenOffset(JSParser.LBRACE, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getTokenStopIndex())); |
| |
| List<Tree> caseNodes = new ArrayList<Tree>(node.getChildCount() - 1); |
| for (int i = 1; i < node.getChildCount(); i++) { |
| caseNodes.add(node.getChild(i)); |
| } |
| Collections.sort(caseNodes, new Comparator<Tree>() { |
| public int compare(Tree o1, Tree o2) { |
| return o1.getTokenStartIndex() - o2.getTokenStartIndex(); |
| } |
| }); |
| |
| for (Tree child : caseNodes) { |
| switch (child.getType()) { |
| case JSParser.CASE: |
| case JSParser.DEFAULT: |
| statement.addCase((SwitchComponent) transformNode(child, |
| statement)); |
| break; |
| |
| default: |
| throw new UnsupportedOperationException(); |
| } |
| } |
| |
| statement.setRC(getTokenOffset(JSParser.RBRACE, node |
| .getTokenStopIndex(), node.getTokenStopIndex())); |
| |
| statement.setStart(statement.getSwitchKeyword().sourceStart()); |
| statement.setEnd(statement.getRC() + 1); |
| |
| return statement; |
| } |
| |
| protected ASTNode visitUnaryOperation(Tree node) { |
| |
| UnaryOperation operation = new UnaryOperation(getParent()); |
| |
| operation.setOperation(node.getType()); |
| |
| int operationType = node.getType(); |
| |
| if (operation.isPostfix()) |
| operation.setOperationPosition(getTokenOffset(operationType, node |
| .getChild(0).getTokenStopIndex() + 1, node |
| .getTokenStopIndex())); |
| else |
| operation.setOperationPosition(getTokenOffset(operationType, node |
| .getTokenStartIndex(), node.getTokenStopIndex())); |
| |
| if (operation.getOperationPosition() == -1) { |
| |
| // use compatible operations |
| switch (operationType) { |
| case JSParser.PINC: |
| operationType = JSParser.INC; |
| break; |
| |
| case JSParser.PDEC: |
| operationType = JSParser.DEC; |
| break; |
| |
| case JSParser.POS: |
| operationType = JSParser.ADD; |
| break; |
| |
| case JSParser.NEG: |
| operationType = JSParser.SUB; |
| break; |
| } |
| |
| if (operation.isPostfix()) |
| operation.setOperationPosition(getTokenOffset(operationType, |
| node.getChild(0).getTokenStopIndex() + 1, node |
| .getTokenStopIndex())); |
| else |
| operation.setOperationPosition(getTokenOffset(operationType, |
| node.getTokenStartIndex(), node.getTokenStopIndex())); |
| |
| } |
| |
| Assert.isTrue(operation.getOperationPosition() > -1); |
| |
| operation.setExpression((Expression) transformNode(node.getChild(0), |
| operation)); |
| |
| operation.setStart(getTokenOffset(node.getTokenStartIndex())); |
| operation.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return operation; |
| } |
| |
| protected ASTNode visitContinue(Tree node) { |
| |
| ContinueStatement statement = new ContinueStatement(getParent()); |
| |
| Keyword continueKeyword = new Keyword(statement, Keywords.CONTINUE); |
| continueKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| continueKeyword.setEnd(continueKeyword.sourceStart() |
| + Keywords.CONTINUE.length()); |
| statement.setContinueKeyword(continueKeyword); |
| |
| if (node.getChildCount() > 0) { |
| Label label = new Label(statement); |
| label.setText(node.getChild(0).getText()); |
| label |
| .setStart(getTokenOffset(node.getChild(0) |
| .getTokenStartIndex())); |
| label |
| .setEnd(getTokenOffset(node.getChild(0).getTokenStopIndex() + 1)); |
| |
| statement.setLabel(label); |
| } |
| |
| statement.setSemicolonPosition(getTokenOffset(JSParser.SEMIC, node |
| .getTokenStopIndex(), node.getTokenStopIndex())); |
| statement.setStart(getTokenOffset(node.getTokenStartIndex())); |
| statement.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return statement; |
| } |
| |
| protected ASTNode visitVarDeclaration(Tree node) { |
| |
| VariableDeclaration var = new VariableDeclaration(getParent()); |
| |
| Keyword varKeyword = new Keyword(getParent(), Keywords.VAR); |
| varKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| varKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| var.setVarKeyword(varKeyword); |
| |
| List<Integer> commas = new ArrayList<Integer>(); |
| List<ASTNode> variables = new ArrayList<ASTNode>(node.getChildCount()); |
| for (int i = 0; i < node.getChildCount(); i++) { |
| variables.add(transformNode(node.getChild(i), var)); |
| |
| if (i > 0) |
| commas.add(new Integer(getTokenOffset(JSParser.COMMA, node |
| .getChild(i - 1).getTokenStopIndex() + 1, node |
| .getChild(i).getTokenStartIndex()))); |
| } |
| var.setVariables(variables); |
| var.setCommas(commas); |
| |
| var.setStart(getTokenOffset(node.getTokenStartIndex())); |
| var.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return var; |
| } |
| |
| protected ASTNode visitObjectInitializer(Tree node) { |
| |
| ObjectInitializer initializer = new ObjectInitializer(getParent()); |
| |
| List<ASTNode> properties = new ArrayList<ASTNode>(node.getChildCount()); |
| List<Integer> commas = new ArrayList<Integer>(); |
| |
| for (int i = 0; i < node.getChildCount(); i++) { |
| properties.add(transformNode(node.getChild(i), initializer)); |
| |
| if (i > 0) |
| commas.add(new Integer(getTokenOffset(JSParser.COMMA, node |
| .getChild(i - 1).getTokenStopIndex() + 1, node |
| .getChild(i).getTokenStartIndex()))); |
| } |
| |
| initializer.setInitializers(properties); |
| initializer.setCommas(commas); |
| |
| initializer.setLC(getTokenOffset(node.getTokenStartIndex())); |
| initializer.setRC(getTokenOffset(node.getTokenStopIndex())); |
| |
| Token LC = tokens.get(node.getTokenStartIndex()); |
| Token RC = tokens.get(node.getTokenStopIndex()); |
| |
| initializer.setMultiline(LC.getLine() != RC.getLine()); |
| |
| initializer.setStart(initializer.getLC()); |
| initializer.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return initializer; |
| } |
| |
| protected ASTNode visitPropertyInitializer(Tree node) { |
| |
| PropertyInitializer initializer = new PropertyInitializer(getParent()); |
| |
| initializer.setName((Expression) transformNode(node.getChild(0), |
| initializer)); |
| |
| initializer |
| .setColon(getTokenOffset(JSParser.COLON, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getChild(1) |
| .getTokenStartIndex())); |
| |
| initializer.setValue((Expression) transformNode(node.getChild(1), |
| initializer)); |
| |
| initializer.setStart(getTokenOffset(node.getTokenStartIndex())); |
| initializer.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return initializer; |
| } |
| |
| protected ASTNode visitForEachInStatement(Tree node) { |
| ForEachInStatement statement = new ForEachInStatement(getParent()); |
| |
| Keyword forKeyword = new Keyword(statement, Keywords.FOR); |
| forKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| forKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| statement.setForKeyword(forKeyword); |
| |
| Keyword eachKeyword = new Keyword(statement, Keywords.EACH); |
| eachKeyword.setStart(getTokenOffset(JSParser.EACH, node |
| .getTokenStartIndex(), node.getTokenStopIndex())); |
| eachKeyword.setEnd(eachKeyword.sourceStart() + Keywords.EACH.length()); |
| statement.setEachKeyword(eachKeyword); |
| |
| statement.setLP(getTokenOffset(JSParser.LPAREN, node |
| .getTokenStartIndex() + 1, node.getChild(0) |
| .getTokenStartIndex())); |
| |
| statement.setItem((Expression) transformNode(node.getChild(0).getChild( |
| 0), statement)); |
| |
| Keyword inKeyword = new Keyword(statement, Keywords.IN); |
| int iteratorStart = node.getChild(0).getChild(1).getTokenStartIndex(); |
| if (iteratorStart == -1 |
| && node.getChild(0).getChild(1).getType() == JSParser.EXPR |
| && node.getChild(0).getChild(1).getChildCount() > 0) |
| iteratorStart = node.getChild(0).getChild(1).getChild(0) |
| .getTokenStartIndex(); |
| |
| inKeyword.setStart(getTokenOffset(JSParser.IN, |
| getRealTokenStopIndex(node.getChild(0).getChild(0)) + 1, |
| iteratorStart)); |
| inKeyword.setEnd(inKeyword.sourceStart() + Keywords.IN.length()); |
| statement.setInKeyword(inKeyword); |
| |
| statement.setIterator((Expression) transformNode(node.getChild(0) |
| .getChild(1), statement)); |
| |
| statement.setRP(getTokenOffset(JSParser.RPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getTokenStopIndex())); |
| |
| if (node.getChildCount() > 1) |
| statement.setBody(transformStatementNode(node.getChild(1), |
| statement)); |
| |
| if (statement.getBody() == null |
| || !(statement.getBody() instanceof VoidExpression) |
| || ((VoidExpression) statement.getBody()) |
| .getSemicolonPosition() == -1) { |
| |
| statement.setSemicolonPosition(getTokenOffset(JSParser.SEMIC, node |
| .getTokenStopIndex(), node.getTokenStopIndex())); |
| |
| } |
| |
| statement.setStart(getTokenOffset(node.getTokenStartIndex())); |
| statement.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return statement; |
| } |
| |
| private static int getRealTokenStopIndex(Tree node) { |
| |
| if (node.getTokenStopIndex() == -1) |
| return getRealTokenStopIndex(node |
| .getChild(node.getChildCount() - 1)); |
| |
| if (node.getChildCount() > 0) { |
| return Math.max(node.getTokenStopIndex(), |
| getRealTokenStopIndex(node |
| .getChild(node.getChildCount() - 1))); |
| } |
| |
| return node.getTokenStopIndex(); |
| } |
| |
| protected ASTNode visitByField(Tree node) { |
| |
| PropertyExpression property = new PropertyExpression(getParent()); |
| |
| property.setObject((Expression) transformNode(node.getChild(0), |
| property)); |
| |
| property.setProperty((Expression) transformNode(node.getChild(1), |
| property)); |
| |
| property.setDotPosition(getTokenOffset(JSParser.DOT, |
| getRealTokenStopIndex(node.getChild(0)) + 1, node.getChild(1) |
| .getTokenStartIndex())); |
| |
| Assert.isTrue(property.getObject().sourceStart() >= 0); |
| Assert.isTrue(property.getProperty().sourceEnd() > 0); |
| |
| property.setStart(property.getObject().sourceStart()); |
| property.setEnd(property.getProperty().sourceEnd()); |
| |
| return property; |
| } |
| |
| protected ASTNode visitWhile(Tree node) { |
| |
| WhileStatement statement = new WhileStatement(getParent()); |
| |
| Keyword whileKeyword = new Keyword(statement, Keywords.WHILE); |
| whileKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| whileKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| statement.setWhileKeyword(whileKeyword); |
| |
| statement.setLP(getTokenOffset(JSParser.LPAREN, node |
| .getTokenStartIndex(), node.getChild(0).getTokenStartIndex())); |
| |
| statement.setCondition((Expression) transformNode(node.getChild(0), |
| statement)); |
| |
| statement.setRP(getTokenOffset(JSParser.RPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getTokenStopIndex())); |
| |
| if (node.getChildCount() > 1) |
| statement.setBody(transformStatementNode(node.getChild(1), |
| statement)); |
| |
| if (statement.getBody() == null |
| || !(statement.getBody() instanceof VoidExpression) |
| || ((VoidExpression) statement.getBody()) |
| .getSemicolonPosition() == -1) { |
| |
| statement.setSemicolonPosition(getTokenOffset(JSParser.SEMIC, node |
| .getTokenStopIndex(), node.getTokenStopIndex())); |
| |
| } |
| |
| statement.setStart(getTokenOffset(node.getTokenStartIndex())); |
| statement.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return statement; |
| } |
| |
| protected ASTNode visitIf(Tree node) { |
| |
| IfStatement ifStatement = new IfStatement(getParent()); |
| |
| Keyword ifKeyword = new Keyword(ifStatement, Keywords.IF); |
| ifKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| ifKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| ifStatement.setIfKeyword(ifKeyword); |
| |
| ifStatement.setLP(getTokenOffset(JSParser.LPAREN, node |
| .getTokenStartIndex() + 1, node.getChild(0) |
| .getTokenStartIndex())); |
| ifStatement.setCondition((Expression) transformNode(node.getChild(0), |
| ifStatement)); |
| |
| if (node.getChildCount() > 1) { |
| ifStatement.setRP(getTokenOffset(JSParser.RPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getChild(1) |
| .getTokenStartIndex())); |
| ifStatement.setThenStatement(transformStatementNode(node |
| .getChild(1), ifStatement)); |
| } else { |
| ifStatement.setRP(getTokenOffset(JSParser.RPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getChild(0) |
| .getTokenStopIndex() + 1)); |
| } |
| |
| if (node.getChildCount() > 2) { |
| Keyword elseKeyword = new Keyword(ifStatement, Keywords.ELSE); |
| elseKeyword.setStart(getTokenOffset(JSParser.ELSE, node.getChild(1) |
| .getTokenStopIndex() + 1, node.getChild(2) |
| .getTokenStartIndex())); |
| elseKeyword.setEnd(elseKeyword.sourceStart() |
| + Keywords.ELSE.length()); |
| ifStatement.setElseKeyword(elseKeyword); |
| |
| ifStatement.setElseStatement(transformStatementNode(node |
| .getChild(2), ifStatement)); |
| } |
| |
| ifStatement.setStart(ifStatement.getIfKeyword().sourceStart()); |
| ifStatement.setEnd(node.getTokenStopIndex() + 1); |
| |
| return ifStatement; |
| } |
| |
| protected ASTNode visitDoWhile(Tree node) { |
| DoWhileStatement statement = new DoWhileStatement(getParent()); |
| |
| Keyword doKeyword = new Keyword(getParent(), Keywords.DO); |
| doKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| doKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| statement.setDoKeyword(doKeyword); |
| |
| statement.setBody(transformStatementNode(node.getChild(0), statement)); |
| |
| Keyword whileKeyword = new Keyword(getParent(), Keywords.WHILE); |
| whileKeyword |
| .setStart(getTokenOffset(JSParser.WHILE, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getChild(1) |
| .getTokenStartIndex())); |
| whileKeyword.setEnd(whileKeyword.sourceStart() |
| + Keywords.WHILE.length()); |
| statement.setWhileKeyword(whileKeyword); |
| |
| statement |
| .setLP(getTokenOffset(JSParser.LPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getChild(1) |
| .getTokenStartIndex())); |
| |
| statement.setCondition((Expression) transformNode(node.getChild(1), |
| statement)); |
| |
| statement.setRP(getTokenOffset(JSParser.RPAREN, node.getChild(1) |
| .getTokenStopIndex() + 1, node.getTokenStopIndex())); |
| |
| statement |
| .setSemicolonPosition(getTokenOffset(JSParser.SEMIC, node |
| .getChild(1).getTokenStopIndex() + 1, node |
| .getTokenStopIndex())); |
| |
| statement.setStart(getTokenOffset(node.getTokenStartIndex())); |
| statement.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return statement; |
| } |
| |
| protected ASTNode visitConditional(Tree node) { |
| |
| ConditionalOperator operator = new ConditionalOperator(getParent()); |
| |
| operator.setCondition((Expression) transformNode(node.getChild(0), |
| operator)); |
| operator.setTrueValue((Expression) transformNode(node.getChild(1), |
| operator)); |
| operator.setFalseValue((Expression) transformNode(node.getChild(2), |
| operator)); |
| |
| operator.setQuestionPosition(getTokenOffset(JSParser.QUE, node |
| .getChild(0).getTokenStopIndex() + 1, node.getChild(1) |
| .getTokenStartIndex())); |
| |
| operator.setColonPosition(getTokenOffset(JSParser.COLON, node.getChild( |
| 1).getTokenStopIndex() + 1, node.getChild(2) |
| .getTokenStartIndex())); |
| |
| operator.setStart(getTokenOffset(node.getTokenStartIndex())); |
| operator.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return operator; |
| } |
| |
| protected ASTNode visitParenthesizedExpression(Tree node) { |
| |
| ParenthesizedExpression expression = new ParenthesizedExpression( |
| getParent()); |
| |
| expression.setExpression((Expression) transformNode(node.getChild(0), |
| expression)); |
| |
| expression.setLP(getTokenOffset(node.getTokenStartIndex())); |
| expression.setRP(getTokenOffset(node.getTokenStopIndex())); |
| |
| expression.setStart(expression.getLP()); |
| expression.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return expression; |
| } |
| |
| protected ASTNode visitTry(Tree node) { |
| |
| TryStatement statement = new TryStatement(getParent()); |
| |
| Keyword tryKeyword = new Keyword(getParent(), Keywords.TRY); |
| tryKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| tryKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| statement.setTryKeyword(tryKeyword); |
| |
| statement.setBody((StatementBlock) transformStatementNode(node |
| .getChild(0), statement)); |
| |
| for (int i = 1 /* miss body */; i < node.getChildCount(); i++) { |
| |
| Tree child = node.getChild(i); |
| |
| switch (child.getType()) { |
| case JSParser.CATCH: |
| statement.getCatches().add( |
| (CatchClause) transformNode(child, statement)); |
| break; |
| |
| case JSParser.FINALLY: |
| statement.setFinally((FinallyClause) transformNode(child, |
| statement)); |
| break; |
| |
| default: |
| throw new UnsupportedOperationException( |
| "CATCH or FINALLY expected"); |
| |
| } |
| |
| } |
| |
| statement.setStart(getTokenOffset(node.getTokenStartIndex())); |
| statement.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return statement; |
| } |
| |
| protected ASTNode visitThrow(Tree node) { |
| |
| ThrowStatement statement = new ThrowStatement(getParent()); |
| |
| Keyword throwKeyword = new Keyword(statement, Keywords.THROW); |
| throwKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| throwKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| statement.setThrowKeyword(throwKeyword); |
| |
| if (node.getChildCount() > 0) { |
| statement.setException((Expression) transformNode(node.getChild(0), |
| statement)); |
| } |
| |
| statement.setSemicolonPosition(getTokenOffset(JSParser.SEMIC, node |
| .getTokenStopIndex(), node.getTokenStopIndex())); |
| |
| statement.setStart(getTokenOffset(node.getTokenStartIndex())); |
| statement.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return statement; |
| } |
| |
| protected ASTNode visitNew(Tree node) { |
| |
| NewExpression expression = new NewExpression(getParent()); |
| |
| Keyword newKeyword = new Keyword(expression, Keywords.NEW); |
| newKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| newKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| expression.setNewKeyword(newKeyword); |
| |
| expression.setObjectClass((Expression) transformNode(node.getChild(0), |
| expression)); |
| |
| expression.setStart(getTokenOffset(node.getTokenStartIndex())); |
| expression.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return expression; |
| } |
| |
| protected ASTNode visitCatch(Tree node) { |
| |
| CatchClause catchClause = new CatchClause(getParent()); |
| |
| Keyword catchKeyword = new Keyword(catchClause, Keywords.CATCH); |
| catchKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| catchKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| catchClause.setCatchKeyword(catchKeyword); |
| |
| catchClause.setLP(getTokenOffset(JSParser.LPAREN, node |
| .getTokenStartIndex() + 1, node.getChild(0) |
| .getTokenStartIndex())); |
| |
| catchClause.setException((Identifier) transformNode(node.getChild(0), |
| catchClause)); |
| |
| int statementIndex = 1; |
| |
| if (node.getChild(1).getType() == JSParser.IF) { |
| statementIndex++; |
| |
| ExceptionFilter filter = new ExceptionFilter(catchClause); |
| |
| Tree filterNode = node.getChild(1); |
| |
| Keyword ifKeyword = new Keyword(catchClause, Keywords.IF); |
| ifKeyword.setStart(getTokenOffset(filterNode.getTokenStartIndex())); |
| ifKeyword |
| .setEnd(getTokenOffset(filterNode.getTokenStartIndex() + 1)); |
| filter.setIfKeyword(ifKeyword); |
| |
| filter.setExpression((Expression) transformNode(filterNode |
| .getChild(0), filter)); |
| |
| filter.setStart(getTokenOffset(filterNode.getTokenStartIndex())); |
| filter.setEnd(getTokenOffset(filterNode.getTokenStopIndex() + 1)); |
| |
| catchClause.setExceptionFilter(filter); |
| } |
| |
| catchClause.setRP(getTokenOffset(JSParser.RPAREN, node.getChild( |
| statementIndex - 1).getTokenStopIndex() + 1, node.getChild( |
| statementIndex).getTokenStartIndex())); |
| |
| catchClause.setStatement(transformStatementNode(node |
| .getChild(statementIndex), catchClause)); |
| |
| catchClause.setStart(getTokenOffset(node.getTokenStartIndex())); |
| catchClause.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return catchClause; |
| } |
| |
| protected ASTNode visitFinally(Tree node) { |
| |
| FinallyClause finallyClause = new FinallyClause(getParent()); |
| |
| Keyword finallyKeyword = new Keyword(finallyClause, Keywords.FINALLY); |
| finallyKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| finallyKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| finallyClause.setFinallyKeyword(finallyKeyword); |
| |
| finallyClause.setStatement(transformStatementNode(node.getChild(0), |
| finallyClause)); |
| |
| finallyClause.setStart(getTokenOffset(node.getTokenStartIndex())); |
| finallyClause.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return finallyClause; |
| } |
| |
| @Override |
| protected ASTNode visitArray(Tree node) { |
| |
| ArrayInitializer array = new ArrayInitializer(getParent()); |
| |
| array.setLB(getTokenOffset(JSParser.LBRACK, node.getTokenStartIndex(), |
| node.getTokenStartIndex())); |
| |
| List<ASTNode> items = new ArrayList<ASTNode>(node.getChildCount()); |
| List<Integer> commas = new ArrayList<Integer>(); |
| |
| for (int i = 0; i < node.getChildCount(); i++) { |
| Tree child = node.getChild(i); |
| |
| if (child.getType() != JSParser.ITEM) |
| throw new UnsupportedOperationException("ITEM expected"); //$NON-NLS-1$ |
| |
| final Tree item = child.getChild(0); |
| if (item != null) { |
| items.add(transformNode(item, array)); |
| } else { |
| items.add(new EmptyExpression(getParent())); |
| } |
| |
| if (i > 0) { |
| commas.add(new Integer(getTokenOffset(JSParser.COMMA, node |
| .getChild(i - 1).getTokenStopIndex() + 1, child |
| .getTokenStartIndex()))); |
| } |
| } |
| |
| array.setItems(items); |
| array.setCommas(commas); |
| |
| array.setRB(getTokenOffset(JSParser.RBRACK, node.getTokenStopIndex(), |
| node.getTokenStopIndex())); |
| |
| array.setStart(array.getLB()); |
| array.setEnd(array.getRB() + 1); |
| |
| return array; |
| } |
| |
| protected ASTNode visitByIndex(Tree node) { |
| |
| GetArrayItemExpression item = new GetArrayItemExpression(getParent()); |
| |
| item.setArray((Expression) transformNode(node.getChild(0), item)); |
| item.setIndex((Expression) transformNode(node.getChild(1), item)); |
| |
| item.setLB(getTokenOffset(JSParser.LBRACK, getRealTokenStopIndex(node |
| .getChild(0)) + 1, node.getChild(1).getTokenStartIndex())); |
| |
| item.setRB(getTokenOffset(JSParser.RBRACK, node.getChild(1) |
| .getTokenStopIndex() + 1, tokens.size() + 1)); |
| |
| item.setStart(item.getArray().sourceStart()); |
| item.setEnd(item.getRB() + 1); |
| |
| return item; |
| } |
| |
| protected ASTNode visitCommaExpression(Tree node) { |
| |
| CommaExpression expression = new CommaExpression(getParent()); |
| |
| List<ASTNode> items = new ArrayList<ASTNode>(node.getChildCount()); |
| List<Integer> commas = new ArrayList<Integer>(); |
| |
| for (int i = 0; i < node.getChildCount(); i++) { |
| items.add(transformNode(node.getChild(i), expression)); |
| |
| if (i > 0) |
| commas.add(new Integer(getTokenOffset(JSParser.COMMA, node |
| .getChild(i - 1).getTokenStopIndex(), node.getChild(i) |
| .getTokenStartIndex()))); |
| } |
| |
| expression.setItems(items); |
| expression.setCommas(commas); |
| |
| expression.setStart(getTokenOffset(node.getTokenStartIndex())); |
| expression.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return expression; |
| } |
| |
| protected ASTNode visitRegExp(Tree node) { |
| RegExpLiteral regexp = new RegExpLiteral(getParent()); |
| regexp.setText(node.getText()); |
| |
| regexp.setStart(getTokenOffset(node.getTokenStartIndex())); |
| regexp.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return regexp; |
| } |
| |
| protected ASTNode visitWith(Tree node) { |
| |
| WithStatement statement = new WithStatement(getParent()); |
| |
| Keyword withKeyword = new Keyword(statement, Keywords.WITH); |
| withKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| withKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| statement.setWithKeyword(withKeyword); |
| |
| statement.setLP(getTokenOffset(JSParser.LPAREN, node |
| .getTokenStartIndex(), node.getChild(0).getTokenStartIndex())); |
| |
| statement.setExpression((Expression) transformNode(node.getChild(0), |
| statement)); |
| |
| statement.setRP(getTokenOffset(JSParser.RPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getTokenStopIndex())); |
| |
| if (node.getChildCount() > 1) |
| statement.setStatement(transformStatementNode(node.getChild(1), |
| statement)); |
| |
| statement.setStart(getTokenOffset(node.getTokenStartIndex())); |
| statement.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return statement; |
| } |
| |
| protected ASTNode visitThis(Tree node) { |
| |
| ThisExpression expression = new ThisExpression(getParent()); |
| |
| Keyword thisKeyword = new Keyword(expression, Keywords.THIS); |
| thisKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| thisKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| expression.setThisKeyword(thisKeyword); |
| |
| expression.setStart(getTokenOffset(node.getTokenStartIndex())); |
| expression.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return expression; |
| } |
| |
| protected ASTNode visitLabelled(Tree node) { |
| LabelledStatement statement = new LabelledStatement(getParent()); |
| |
| Label label = new Label(statement); |
| label.setText(node.getChild(0).getText()); |
| label.setStart(getTokenOffset(node.getChild(0).getTokenStartIndex())); |
| label.setEnd(getTokenOffset(node.getChild(0).getTokenStopIndex() + 1)); |
| statement.setLabel(label); |
| |
| statement.setColonPosition(getTokenOffset(JSParser.COLON, node |
| .getChild(0).getTokenStopIndex() + 1, |
| node.getTokenStopIndex() + 1)); |
| |
| if (node.getChildCount() > 1) { |
| statement.setStatement(transformStatementNode(node.getChild(1), |
| statement)); |
| } |
| |
| statement.setStart(getTokenOffset(node.getTokenStartIndex())); |
| statement.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return statement; |
| } |
| |
| protected ASTNode visitDelete(Tree node) { |
| |
| DeleteStatement statement = new DeleteStatement(getParent()); |
| |
| Keyword deleteKeyword = new Keyword(statement, Keywords.DELETE); |
| deleteKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| deleteKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| statement.setDeleteKeyword(deleteKeyword); |
| |
| statement.setExpression((Expression) transformNode(node.getChild(0), |
| statement)); |
| |
| statement.setStart(getTokenOffset(node.getTokenStartIndex())); |
| statement.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return statement; |
| } |
| |
| protected ASTNode visitGet(Tree node) { |
| |
| GetMethod method = new GetMethod(getParent()); |
| |
| Keyword getKeyword = new Keyword(method, Keywords.GET); |
| getKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| getKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| method.setGetKeyword(getKeyword); |
| |
| method.setName((Identifier) transformNode(node.getChild(0), method)); |
| |
| method |
| .setLP(getTokenOffset(JSParser.LPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getChild(1) |
| .getTokenStartIndex())); |
| |
| method |
| .setRP(getTokenOffset(JSParser.RPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getChild(1) |
| .getTokenStartIndex())); |
| |
| method.setBody((StatementBlock) transformStatementNode( |
| node.getChild(1), method)); |
| |
| method.setStart(getTokenOffset(node.getTokenStartIndex())); |
| method.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return method; |
| } |
| |
| protected ASTNode visitSet(Tree node) { |
| SetMethod method = new SetMethod(getParent()); |
| |
| Keyword setKeyword = new Keyword(method, Keywords.SET); |
| setKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| setKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| method.setSetKeyword(setKeyword); |
| |
| method.setName((Identifier) transformNode(node.getChild(0), method)); |
| |
| method |
| .setLP(getTokenOffset(JSParser.LPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getChild(1) |
| .getTokenStartIndex())); |
| |
| method |
| .setArgument((Identifier) transformNode(node.getChild(1), |
| method)); |
| |
| method |
| .setRP(getTokenOffset(JSParser.RPAREN, node.getChild(0) |
| .getTokenStopIndex() + 1, node.getChild(2) |
| .getTokenStartIndex())); |
| |
| method.setBody((StatementBlock) transformStatementNode( |
| node.getChild(2), method)); |
| |
| method.setStart(getTokenOffset(node.getTokenStartIndex())); |
| method.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return method; |
| } |
| |
| protected ASTNode visitNull(Tree node) { |
| |
| NullExpression expression = new NullExpression(getParent()); |
| |
| expression.setStart(getTokenOffset(node.getTokenStartIndex())); |
| expression.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return expression; |
| } |
| |
| protected ASTNode visitTypeOf(Tree node) { |
| |
| TypeOfExpression expression = new TypeOfExpression(getParent()); |
| |
| Keyword typeofKeyword = new Keyword(getParent(), Keywords.TYPEOF); |
| typeofKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| typeofKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| expression.setTypeOfKeyword(typeofKeyword); |
| |
| expression.setExpression((Expression) transformNode(node.getChild(0), |
| expression)); |
| |
| expression.setStart(getTokenOffset(node.getTokenStartIndex())); |
| expression.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return expression; |
| } |
| |
| protected ASTNode visitConst(Tree node) { |
| ConstDeclaration declaration = new ConstDeclaration(getParent()); |
| |
| Keyword constKeyword = new Keyword(getParent(), Keywords.CONST); |
| constKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| constKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| declaration.setConstKeyword(constKeyword); |
| |
| List<Integer> commas = new ArrayList<Integer>(); |
| List<ASTNode> consts = new ArrayList<ASTNode>(node.getChildCount()); |
| for (int i = 0; i < node.getChildCount(); i++) { |
| consts.add(transformNode(node.getChild(i), declaration)); |
| if (i > 0) |
| commas.add(new Integer(getTokenOffset(JSParser.COMMA, node |
| .getChild(i - 1).getTokenStopIndex() + 1, node |
| .getChild(i).getTokenStartIndex()))); |
| } |
| declaration.setConsts(consts); |
| declaration.setCommas(commas); |
| |
| declaration.setSemicolonPosition(getTokenOffset(JSParser.SEMIC, node |
| .getTokenStopIndex(), node.getTokenStopIndex())); |
| |
| declaration.setStart(getTokenOffset(node.getTokenStartIndex())); |
| declaration.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return declaration; |
| } |
| |
| private void addComments(Script script) { |
| for (int i = 0; i < tokens.size(); i++) { |
| Token token = tokens.get(i); |
| switch (token.getType()) { |
| case JSParser.MultiLineComment: |
| script.addComment(visitMultiLineComment(token)); |
| break; |
| case JSParser.SingleLineComment: |
| script.addComment(visitSingleLineComment(token)); |
| break; |
| } |
| } |
| } |
| |
| private Comment visitMultiLineComment(Token token) { |
| Comment comment = new MultiLineComment(); |
| comment.setText(token.getText()); |
| comment.setStart(getTokenOffset(token.getTokenIndex())); |
| comment.setEnd(comment.sourceStart() + token.getText().length()); |
| |
| return comment; |
| } |
| |
| private Comment visitSingleLineComment(Token token) { |
| Comment comment = new SingleLineComment(); |
| comment.setText(token.getText()); |
| comment.setStart(getTokenOffset(token.getTokenIndex())); |
| comment.setEnd(comment.sourceStart() + token.getText().length()); |
| |
| return comment; |
| } |
| |
| protected ASTNode visitBooleanLiteral(Tree node) { |
| |
| BooleanLiteral bool = new BooleanLiteral(getParent()); |
| bool.setText(node.getText()); |
| |
| bool.setStart(getTokenOffset(node.getTokenStartIndex())); |
| bool.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| |
| return bool; |
| } |
| |
| protected ASTNode visitVoid(Tree node) { |
| VoidOperator expression = new VoidOperator(getParent()); |
| |
| Keyword voidKeyword = new Keyword(expression, Keywords.VOID); |
| voidKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| voidKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| expression.setVoidKeyword(voidKeyword); |
| |
| expression.setExpression((Expression) transformNode(node.getChild(0), |
| expression)); |
| |
| expression.setStart(expression.getVoidKeyword().sourceStart()); |
| expression.setEnd(expression.getExpression().sourceEnd()); |
| |
| return expression; |
| } |
| |
| protected ASTNode visitXmlLiteral(Tree node) { |
| XmlLiteral xml = new XmlLiteral(getParent()); |
| |
| xml.setXml(node.getText()); |
| |
| xml.setStart(getTokenOffset(node.getTokenStartIndex())); |
| xml.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| |
| return xml; |
| } |
| |
| protected ASTNode visitNamespace(Tree node) { |
| |
| DefaultXmlNamespaceStatement statement = new DefaultXmlNamespaceStatement( |
| getParent()); |
| |
| Keyword defaultKeyword = new Keyword(statement, Keywords.DEFAULT); |
| defaultKeyword.setStart(getTokenOffset(node.getChild(0) |
| .getTokenStartIndex())); |
| defaultKeyword.setEnd(defaultKeyword.sourceStart() |
| + Keywords.DEFAULT.length()); |
| statement.setDefaultKeyword(defaultKeyword); |
| |
| Keyword xmlKeyword = new Keyword(statement, Keywords.XML); |
| xmlKeyword.setStart(getTokenOffset(node.getChild(1) |
| .getTokenStartIndex())); |
| xmlKeyword.setEnd(xmlKeyword.sourceStart() + Keywords.XML.length()); |
| statement.setXmlKeyword(xmlKeyword); |
| |
| Keyword namespaceKeyword = new Keyword(statement, Keywords.NAMESPACE); |
| namespaceKeyword.setStart(getTokenOffset(JSParser.NAMESPACE, node |
| .getTokenStartIndex(), node.getTokenStopIndex())); |
| namespaceKeyword.setEnd(namespaceKeyword.sourceStart() |
| + Keywords.NAMESPACE.length()); |
| statement.setNamespaceKeyword(namespaceKeyword); |
| |
| statement.setAssignOperation(getTokenOffset(node.getChild(2) |
| .getTokenStartIndex())); |
| |
| StringLiteral value = new StringLiteral(statement); |
| value.setStart(getTokenOffset(node.getChild(3).getTokenStartIndex())); |
| value.setEnd(getTokenOffset(node.getChild(3).getTokenStartIndex()) + 1); |
| value.setText(node.getChild(3).getText()); |
| statement.setValue(value); |
| |
| Token token = tokens.get(node.getTokenStopIndex()); |
| if (token.getType() == JSParser.SEMIC) { |
| statement.setSemicolonPosition(getTokenOffset(node |
| .getTokenStopIndex())); |
| |
| statement.setEnd(statement.getSemicolonPosition() + 1); |
| } else { |
| statement.setEnd(statement.getValue().sourceEnd()); |
| } |
| statement.setStart(statement.getDefaultKeyword().sourceStart()); |
| |
| return statement; |
| } |
| |
| protected ASTNode visitXmlAttribute(Tree node) { |
| |
| XmlAttributeIdentifier id = new XmlAttributeIdentifier(getParent()); |
| id.setName(node.getText()); |
| |
| id.setStart(getTokenOffset(node.getTokenStartIndex())); |
| id.setEnd(id.sourceStart() + id.getName().length()); |
| |
| return id; |
| } |
| |
| protected ASTNode visitAsterisk(Tree node) { |
| AsteriskExpression asterisk = new AsteriskExpression(getParent()); |
| |
| asterisk.setStart(getTokenOffset(node.getTokenStartIndex())); |
| asterisk.setEnd(asterisk.sourceStart() + node.getText().length()); |
| |
| return asterisk; |
| } |
| |
| protected ASTNode visitGetAllChildren(Tree node) { |
| GetAllChildrenExpression expression = new GetAllChildrenExpression( |
| getParent()); |
| |
| expression.setObject((Expression) transformNode(node.getChild(0), |
| expression)); |
| |
| expression.setProperty((Expression) transformNode(node.getChild(1), |
| expression)); |
| |
| expression.setDotDotPosition(getTokenOffset(JSParser.DOTDOT, |
| getRealTokenStopIndex(node.getChild(0)) + 1, node.getChild(1) |
| .getTokenStartIndex())); |
| |
| Assert.isTrue(expression.getObject().sourceStart() >= 0); |
| Assert.isTrue(expression.getProperty().sourceEnd() > 0); |
| |
| expression.setStart(expression.getObject().sourceStart()); |
| expression.setEnd(expression.getProperty().sourceEnd()); |
| |
| return expression; |
| } |
| |
| protected ASTNode visitGetLocalName(Tree node) { |
| GetLocalNameExpression expression = new GetLocalNameExpression( |
| getParent()); |
| |
| expression.setNamespace((Expression) transformNode(node.getChild(0), |
| expression)); |
| |
| expression.setLocalName((Expression) transformNode(node.getChild(1), |
| expression)); |
| |
| expression.setColonColonPosition(getTokenOffset(JSParser.COLONCOLON, |
| getRealTokenStopIndex(node.getChild(0)) + 1, node.getChild(1) |
| .getTokenStartIndex())); |
| |
| Assert.isTrue(expression.getNamespace().sourceStart() >= 0); |
| Assert.isTrue(expression.getLocalName().sourceEnd() > 0); |
| |
| expression.setStart(expression.getNamespace().sourceStart()); |
| expression.setEnd(expression.getLocalName().sourceEnd()); |
| |
| return expression; |
| } |
| |
| protected ASTNode visitHexIntegerLiteral(Tree node) { |
| DecimalLiteral number = new DecimalLiteral(getParent()); |
| number.setText(node.getText()); |
| number.setStart(getTokenOffset(node.getTokenStartIndex())); |
| number.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return number; |
| } |
| |
| protected ASTNode visitOctalIntegerLiteral(Tree node) { |
| DecimalLiteral number = new DecimalLiteral(getParent()); |
| number.setText(node.getText()); |
| number.setStart(getTokenOffset(node.getTokenStartIndex())); |
| number.setEnd(getTokenOffset(node.getTokenStopIndex() + 1)); |
| |
| return number; |
| } |
| |
| protected ASTNode visitYield(Tree node) { |
| YieldOperator expression = new YieldOperator(getParent()); |
| |
| Keyword yieldKeyword = new Keyword(expression, Keywords.YIELD); |
| yieldKeyword.setStart(getTokenOffset(node.getTokenStartIndex())); |
| yieldKeyword.setEnd(getTokenOffset(node.getTokenStartIndex() + 1)); |
| expression.setVoidKeyword(yieldKeyword); |
| |
| expression.setExpression((Expression) transformNode(node.getChild(0), |
| expression)); |
| |
| expression.setStart(expression.getVoidKeyword().sourceStart()); |
| expression.setEnd(expression.getExpression().sourceEnd()); |
| |
| return expression; |
| } |
| |
| } |
