public void testBug128818() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append("function foo() {\n");
buf.append(" if (true) {\n");
buf.append(" } // comment\n");
buf.append(" else\n");
buf.append(" return;\n");
buf.append("}\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST3(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
FunctionDeclaration function = findMethodDeclaration(astRoot, "foo");
IfStatement statement = (IfStatement) function.getBody().statements().get(0);
rewrite.set(statement, IfStatement.ELSE_STATEMENT_PROPERTY, ast.newBlock(), null);
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append("function foo() {\n");
buf.append(" if (true) {\n");
buf.append(" } // comment\n");
buf.append(" else {\n");
buf.append("}\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testCommentAtEnd() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append("function E() \n");
buf.append("{\n");
buf.append("}//comment");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST3(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
ListRewrite listRewrite = rewrite.getListRewrite(astRoot, JavaScriptUnit.STATEMENTS_PROPERTY);
FunctionDeclaration newFunction = ast.newFunctionDeclaration();
newFunction.setName(ast.newSimpleName("B"));
listRewrite.insertLast(newFunction, null);
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append("function E() \n");
buf.append("{\n");
buf.append("}//comment\n");
buf.append("\n");
buf.append("function B() {\n");
buf.append("}");
assertEqualString(preview, buf.toString());
}
private void replaceExpressionsWithConstant() throws JavaScriptModelException {
ASTRewrite astRewrite = fCuRewrite.getASTRewrite();
AST ast = astRewrite.getAST();
IASTFragment[] fragmentsToReplace = getFragmentsToReplace();
for (int i = 0; i < fragmentsToReplace.length; i++) {
IASTFragment fragment = fragmentsToReplace[i];
SimpleName ref = ast.newSimpleName(fConstantName);
Name replacement = ref;
if (qualifyReferencesWithDeclaringClassName()) {
replacement =
ast.newQualifiedName(ast.newSimpleName(getContainingTypeBinding().getName()), ref);
}
TextEditGroup description =
fCuRewrite.createGroupDescription(
RefactoringCoreMessages.ExtractConstantRefactoring_replace);
fragment.replace(astRewrite, replacement, description);
if (fLinkedProposalModel != null)
fLinkedProposalModel
.getPositionGroup(KEY_NAME, true)
.addPosition(astRewrite.track(ref), false);
}
}
public void testAssignment() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append("function foo() {\n");
buf.append(" var i, j;\n");
buf.append(" i= 0;\n");
buf.append(" i-= j= 3;\n");
buf.append("}\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 3", statements.size() == 3);
{ // change left side & right side
ExpressionStatement stmt = (ExpressionStatement) statements.get(1);
Assignment assignment = (Assignment) stmt.getExpression();
SimpleName name = ast.newSimpleName("j");
rewrite.replace(assignment.getLeftHandSide(), name, null);
FunctionInvocation invocation = ast.newFunctionInvocation();
invocation.setName(ast.newSimpleName("goo"));
invocation.setExpression(ast.newSimpleName("other"));
rewrite.replace(assignment.getRightHandSide(), invocation, null);
}
{ // change operator and operator of inner
ExpressionStatement stmt = (ExpressionStatement) statements.get(2);
Assignment assignment = (Assignment) stmt.getExpression();
rewrite.set(
assignment, Assignment.OPERATOR_PROPERTY, Assignment.Operator.DIVIDE_ASSIGN, null);
Assignment inner = (Assignment) assignment.getRightHandSide();
rewrite.set(
inner,
Assignment.OPERATOR_PROPERTY,
Assignment.Operator.RIGHT_SHIFT_UNSIGNED_ASSIGN,
null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append("function foo() {\n");
buf.append(" var i, j;\n");
buf.append(" j= other.goo();\n");
buf.append(" i/= j>>>= 3;\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testCatchClause() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append("function foo() {\n");
buf.append(" try {\n");
buf.append(" } catch (e) {\n");
buf.append(" }\n");
buf.append("}\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 3", statements.size() == 1);
List catchClauses = ((TryStatement) statements.get(0)).catchClauses();
assertTrue("Number of catchClauses not 1", catchClauses.size() == 1);
{ // change exception type
CatchClause clause = (CatchClause) catchClauses.get(0);
SingleVariableDeclaration exception = clause.getException();
SingleVariableDeclaration newException = ast.newSingleVariableDeclaration();
newException.setName(ast.newSimpleName("ex"));
rewrite.replace(exception, newException, null);
}
{ // change body
CatchClause clause = (CatchClause) catchClauses.get(0);
Block body = clause.getBody();
Block newBody = ast.newBlock();
ReturnStatement returnStatement = ast.newReturnStatement();
newBody.statements().add(returnStatement);
rewrite.replace(body, newBody, null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append("function foo() {\n");
buf.append(" try {\n");
buf.append(" } catch (ex) {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public boolean visit(SuperConstructorInvocation node) {
if (matches(node.resolveConstructorBinding())) {
SimpleName name = fAST.newSimpleName("xxxxx"); // $NON-NLS-1$
name.setSourceRange(node.getStartPosition(), 5);
fResult.add(name);
}
return super.visit(node);
}
public boolean visit(ThrowStatement node) {
if (matches(node.getExpression().resolveTypeBinding())) {
SimpleName name = fAST.newSimpleName("xxxxx"); // $NON-NLS-1$
name.setSourceRange(node.getStartPosition(), 5);
fResult.add(name);
}
return super.visit(node);
}
public void testArrayAccess() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("", false, null);
StringBuffer buf = new StringBuffer();
buf.append("function foo(o) {\n");
buf.append(" o[3 /* comment*/ - 1]= this.o[3 - 1];\n");
buf.append("}\n");
buf.append("");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // replace left hand side index, replace right hand side index by left side index
ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
Assignment assignment = (Assignment) stmt.getExpression();
ArrayAccess left = (ArrayAccess) assignment.getLeftHandSide();
ArrayAccess right = (ArrayAccess) assignment.getRightHandSide();
NumberLiteral name = ast.newNumberLiteral("1");
rewrite.replace(left.getIndex(), name, null);
ASTNode placeHolder = rewrite.createCopyTarget(left.getIndex());
rewrite.replace(right.getIndex(), placeHolder, null);
SimpleName newName = ast.newSimpleName("o");
rewrite.replace(right.getArray(), newName, null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append("function foo(o) {\n");
buf.append(" o[1]= o[3 /* comment*/ - 1];\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// TODO fix
public void XtestThisExpression() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append("function foo() {\n");
buf.append(" return this;\n");
buf.append(" return Outer.this;\n");
buf.append("}\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 2", statements.size() == 2);
{ // add qualifier
ReturnStatement returnStatement = (ReturnStatement) statements.get(0);
ThisExpression thisExpression = (ThisExpression) returnStatement.getExpression();
SimpleName newExpression = ast.newSimpleName("X");
rewrite.set(thisExpression, ThisExpression.QUALIFIER_PROPERTY, newExpression, null);
}
{ // remove qualifier
ReturnStatement returnStatement = (ReturnStatement) statements.get(1);
ThisExpression thisExpression = (ThisExpression) returnStatement.getExpression();
rewrite.remove(thisExpression.getQualifier(), null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" return X.this;\n");
buf.append(" return this;\n");
buf.append(" }\n");
assertEqualString(preview, buf.toString());
}
/** {@inheritDoc} */
public void rewriteAST(CompilationUnitRewrite cuRewrite, List textEditGroups)
throws CoreException {
TextEditGroup group =
createTextEditGroup(FixMessages.ExpressionsFix_addParanoiacParenthesis_description);
textEditGroups.add(group);
ASTRewrite rewrite = cuRewrite.getASTRewrite();
AST ast = cuRewrite.getRoot().getAST();
for (int i = 0; i < fExpressions.length; i++) {
// add parenthesis around expression
Expression expression = fExpressions[i];
ParenthesizedExpression parenthesizedExpression = ast.newParenthesizedExpression();
parenthesizedExpression.setExpression((Expression) rewrite.createCopyTarget(expression));
rewrite.replace(expression, parenthesizedExpression, group);
}
}
/** @deprecated using deprecated code */
public void testFieldAccess() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" foo().i= goo().i;\n");
buf.append(" }\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
// TypeDeclaration type= findTypeDeclaration(astRoot, "E");
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // replace field expression, replace field name
ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
Assignment assignment = (Assignment) stmt.getExpression();
FieldAccess leftFieldAccess = (FieldAccess) assignment.getLeftHandSide();
FieldAccess rightFieldAccess = (FieldAccess) assignment.getRightHandSide();
FunctionInvocation invocation = ast.newFunctionInvocation();
invocation.setName(ast.newSimpleName("xoo"));
rewrite.replace(leftFieldAccess.getExpression(), invocation, null);
SimpleName newName = ast.newSimpleName("x");
rewrite.replace(leftFieldAccess.getName(), newName, null);
SimpleName rightHand = ast.newSimpleName("b");
rewrite.replace(rightFieldAccess.getExpression(), rightHand, null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" xoo().x= b.i;\n");
buf.append(" }\n");
assertEqualString(preview, buf.toString());
}
/** @deprecated using deprecated code */
public void testPostfixExpression() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" i= x--;\n");
buf.append(" }\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
// TypeDeclaration type= findTypeDeclaration(astRoot, "E");
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // modify operand and operation
ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
Assignment assignment = (Assignment) stmt.getExpression();
PostfixExpression postExpression = (PostfixExpression) assignment.getRightHandSide();
NumberLiteral newOperation = ast.newNumberLiteral("10");
rewrite.replace(postExpression.getOperand(), newOperation, null);
rewrite.set(
postExpression,
PostfixExpression.OPERATOR_PROPERTY,
PostfixExpression.Operator.INCREMENT,
null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" i= 10++;\n");
buf.append(" }\n");
assertEqualString(preview, buf.toString());
}
/** @deprecated using deprecated code */
public void testParenthesizedExpression() throws Exception {
// System.out.println(getClass().getName()+"::" + getName() +" disabled (bug 23362)");
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" i= (1 + 2) * 3;\n");
buf.append(" }\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
// TypeDeclaration type= findTypeDeclaration(astRoot, "E");
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // replace expression
ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
Assignment assignment = (Assignment) stmt.getExpression();
InfixExpression multiplication = (InfixExpression) assignment.getRightHandSide();
ParenthesizedExpression parenthesizedExpression =
(ParenthesizedExpression) multiplication.getLeftOperand();
SimpleName name = ast.newSimpleName("x");
rewrite.replace(parenthesizedExpression.getExpression(), name, null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" i= (x) * 3;\n");
buf.append(" }\n");
assertEqualString(preview, buf.toString());
}
public void testBug95839() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append("function foo() {\n");
buf.append(" object.method(\n");
buf.append(" param1, // text about param1\n");
buf.append(" param2 // text about param2\n");
buf.append(" );\n");
buf.append("}\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST3(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
FunctionDeclaration function = findMethodDeclaration(astRoot, "foo");
ExpressionStatement statement = (ExpressionStatement) function.getBody().statements().get(0);
FunctionInvocation inv = (FunctionInvocation) statement.getExpression();
ListRewrite listRewrite = rewrite.getListRewrite(inv, FunctionInvocation.ARGUMENTS_PROPERTY);
listRewrite.insertLast(ast.newSimpleName("param3"), null);
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append("function foo() {\n");
buf.append(" object.method(\n");
buf.append(" param1, // text about param1\n");
buf.append(" param2 // text about param2\n");
buf.append(", param3\n");
buf.append(" );\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
/** @deprecated using deprecated code */
public void testConditionalExpression() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" i= (k == 0) ? 1 : 2;\n");
buf.append(" }\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
// TypeDeclaration type= findTypeDeclaration(astRoot, "E");
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // change compare expression, then expression & else expression
ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
Assignment assignment = (Assignment) stmt.getExpression();
ConditionalExpression condExpression = (ConditionalExpression) assignment.getRightHandSide();
BooleanLiteral literal = ast.newBooleanLiteral(true);
rewrite.replace(condExpression.getExpression(), literal, null);
SimpleName newThenExpre = ast.newSimpleName("x");
rewrite.replace(condExpression.getThenExpression(), newThenExpre, null);
InfixExpression infixExpression = ast.newInfixExpression();
infixExpression.setLeftOperand(ast.newNumberLiteral("1"));
infixExpression.setRightOperand(ast.newNumberLiteral("2"));
infixExpression.setOperator(InfixExpression.Operator.PLUS);
rewrite.replace(condExpression.getElseExpression(), infixExpression, null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" i= true ? x : 1 + 2;\n");
buf.append(" }\n");
assertEqualString(preview, buf.toString());
}
/** @deprecated using deprecated code */
public void testMethodInvocation() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" foo(1, 2).goo();\n");
buf.append(" foo(1, 2).goo();\n");
buf.append(" foo(1, 2).goo();\n");
buf.append(" }\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
// TypeDeclaration type= findTypeDeclaration(astRoot, "E");
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 3", statements.size() == 3);
{ // remove expression, add param, change name
ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression();
rewrite.remove(invocation.getExpression(), null);
SimpleName name = ast.newSimpleName("x");
rewrite.replace(invocation.getName(), name, null);
ASTNode arg = ast.newNumberLiteral("1");
rewrite
.getListRewrite(invocation, FunctionInvocation.ARGUMENTS_PROPERTY)
.insertLast(arg, null);
}
{ // insert expression, delete params
ExpressionStatement stmt = (ExpressionStatement) statements.get(1);
FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression();
FunctionInvocation leftInvocation = (FunctionInvocation) invocation.getExpression();
SimpleName newExpression = ast.newSimpleName("x");
rewrite.set(leftInvocation, FunctionInvocation.EXPRESSION_PROPERTY, newExpression, null);
List args = leftInvocation.arguments();
rewrite.remove((ASTNode) args.get(0), null);
rewrite.remove((ASTNode) args.get(1), null);
}
{ // remove expression, add it as parameter
ExpressionStatement stmt = (ExpressionStatement) statements.get(2);
FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression();
ASTNode placeHolder = rewrite.createCopyTarget(invocation.getExpression());
rewrite.set(invocation, FunctionInvocation.EXPRESSION_PROPERTY, null, null);
rewrite
.getListRewrite(invocation, FunctionInvocation.ARGUMENTS_PROPERTY)
.insertLast(placeHolder, null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" x(1);\n");
buf.append(" x.foo().goo();\n");
buf.append(" goo(foo(1, 2));\n");
buf.append(" }\n");
assertEqualString(preview, buf.toString());
}
/** @deprecated using deprecated code */
public void testInfixExpression() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" i= 1 + 2;\n");
buf.append(" j= 1 + 2 + 3 + 4 + 5;\n");
buf.append(" k= 1 + 2 + 3 + 4 + 5;\n");
buf.append(" }\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
// TypeDeclaration type= findTypeDeclaration(astRoot, "E");
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 3", statements.size() == 3);
{ // change left side & right side & operand
ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
Assignment assignment = (Assignment) stmt.getExpression();
InfixExpression expr = (InfixExpression) assignment.getRightHandSide();
SimpleName leftOp = ast.newSimpleName("k");
rewrite.replace(expr.getLeftOperand(), leftOp, null);
SimpleName rightOp = ast.newSimpleName("j");
rewrite.replace(expr.getRightOperand(), rightOp, null);
// change operand
rewrite.set(expr, InfixExpression.OPERATOR_PROPERTY, InfixExpression.Operator.MINUS, null);
}
{ // remove an ext. operand, add one and replace one
ExpressionStatement stmt = (ExpressionStatement) statements.get(1);
Assignment assignment = (Assignment) stmt.getExpression();
InfixExpression expr = (InfixExpression) assignment.getRightHandSide();
List extendedOperands = expr.extendedOperands();
assertTrue("Number of extendedOperands not 3", extendedOperands.size() == 3);
rewrite.remove((ASTNode) extendedOperands.get(0), null);
SimpleName newOp1 = ast.newSimpleName("k");
rewrite.replace((ASTNode) extendedOperands.get(1), newOp1, null);
SimpleName newOp2 = ast.newSimpleName("n");
rewrite
.getListRewrite(expr, InfixExpression.EXTENDED_OPERANDS_PROPERTY)
.insertLast(newOp2, null);
}
{ // change operand
ExpressionStatement stmt = (ExpressionStatement) statements.get(2);
Assignment assignment = (Assignment) stmt.getExpression();
InfixExpression expr = (InfixExpression) assignment.getRightHandSide();
rewrite.set(expr, InfixExpression.OPERATOR_PROPERTY, InfixExpression.Operator.TIMES, null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" i= k - j;\n");
buf.append(" j= 1 + 2 + k + 5 + n;\n");
buf.append(" k= 1 * 2 * 3 * 4 * 5;\n");
buf.append(" }\n");
assertEqualString(preview, buf.toString());
}
private void createConstantDeclaration() throws CoreException {
Type type = getConstantType();
IExpressionFragment fragment = getSelectedExpression();
String initializerSource =
fCu.getBuffer().getText(fragment.getStartPosition(), fragment.getLength());
AST ast = fCuRewrite.getAST();
VariableDeclarationFragment variableDeclarationFragment = ast.newVariableDeclarationFragment();
variableDeclarationFragment.setName(ast.newSimpleName(fConstantName));
variableDeclarationFragment.setInitializer(
(Expression)
fCuRewrite
.getASTRewrite()
.createStringPlaceholder(initializerSource, ASTNode.SIMPLE_NAME));
FieldDeclaration fieldDeclaration = ast.newFieldDeclaration(variableDeclarationFragment);
fieldDeclaration.setType(type);
Modifier.ModifierKeyword accessModifier = Modifier.ModifierKeyword.toKeyword(fVisibility);
if (accessModifier != null) fieldDeclaration.modifiers().add(ast.newModifier(accessModifier));
fieldDeclaration.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.STATIC_KEYWORD));
fieldDeclaration.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.FINAL_KEYWORD));
boolean createComments =
JavaPreferencesSettings.getCodeGenerationSettings(fCu.getJavaScriptProject())
.createComments;
if (createComments) {
String comment =
CodeGeneration.getFieldComment(
fCu, getConstantTypeName(), fConstantName, StubUtility.getLineDelimiterUsed(fCu));
if (comment != null && comment.length() > 0) {
JSdoc doc =
(JSdoc) fCuRewrite.getASTRewrite().createStringPlaceholder(comment, ASTNode.JSDOC);
fieldDeclaration.setJavadoc(doc);
}
}
AbstractTypeDeclaration parent = getContainingTypeDeclarationNode();
ListRewrite listRewrite =
fCuRewrite.getASTRewrite().getListRewrite(parent, parent.getBodyDeclarationsProperty());
TextEditGroup msg =
fCuRewrite.createGroupDescription(
RefactoringCoreMessages.ExtractConstantRefactoring_declare_constant);
if (insertFirst()) {
listRewrite.insertFirst(fieldDeclaration, msg);
} else {
listRewrite.insertAfter(fieldDeclaration, getNodeToInsertConstantDeclarationAfter(), msg);
}
if (fLinkedProposalModel != null) {
ASTRewrite rewrite = fCuRewrite.getASTRewrite();
LinkedProposalPositionGroup nameGroup = fLinkedProposalModel.getPositionGroup(KEY_NAME, true);
nameGroup.addPosition(rewrite.track(variableDeclarationFragment.getName()), true);
String[] nameSuggestions = guessConstantNames();
if (nameSuggestions.length > 0 && !nameSuggestions[0].equals(fConstantName)) {
nameGroup.addProposal(fConstantName, null, nameSuggestions.length + 1);
}
for (int i = 0; i < nameSuggestions.length; i++) {
nameGroup.addProposal(nameSuggestions[i], null, nameSuggestions.length - i);
}
LinkedProposalPositionGroup typeGroup = fLinkedProposalModel.getPositionGroup(KEY_TYPE, true);
typeGroup.addPosition(rewrite.track(type), true);
ITypeBinding typeBinding = fragment.getAssociatedExpression().resolveTypeBinding();
if (typeBinding != null) {
ITypeBinding[] relaxingTypes = ASTResolving.getNarrowingTypes(ast, typeBinding);
for (int i = 0; i < relaxingTypes.length; i++) {
typeGroup.addProposal(relaxingTypes[i], fCuRewrite.getCu(), relaxingTypes.length - i);
}
}
ModifierCorrectionSubProcessor.installLinkedVisibilityProposals(
fLinkedProposalModel, rewrite, fieldDeclaration.modifiers(), false);
}
}