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()); }
/** @deprecated using deprecated code */ public void testMethodInvocation1() throws Exception { IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null); StringBuffer buf = new StringBuffer(); buf.append(" function foo() {\n"); buf.append(" foo(foo(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()); 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); { // remove expression, add param, change name ExpressionStatement stmt = (ExpressionStatement) statements.get(0); FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression(); List arguments = invocation.arguments(); FunctionInvocation first = (FunctionInvocation) arguments.get(0); ASTNode second = (ASTNode) arguments.get(1); ASTNode placeholder1 = rewrite.createCopyTarget(first); ASTNode placeholder2 = rewrite.createCopyTarget(second); rewrite.replace(first, placeholder2, null); rewrite.replace(second, placeholder1, null); List innerArguments = first.arguments(); ASTNode innerFirst = (ASTNode) innerArguments.get(0); ASTNode innerSecond = (ASTNode) innerArguments.get(1); ASTNode innerPlaceholder1 = rewrite.createCopyTarget(innerFirst); ASTNode innerPlaceholder2 = rewrite.createCopyTarget(innerSecond); rewrite.replace(innerFirst, innerPlaceholder2, null); rewrite.replace(innerSecond, innerPlaceholder1, null); } String preview = evaluateRewrite(cu, rewrite); buf = new StringBuffer(); buf.append(" function foo() {\n"); buf.append(" foo(3, foo(2, 1));\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()); }
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()); }
/** @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 testMethodParamsRenameReorder() throws Exception { if (true) return; IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null); StringBuffer buf = new StringBuffer(); buf.append(" function m( y, a) {\n"); buf.append(" m(y, a);\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, "m"); Block block = methodDecl.getBody(); List statements = block.statements(); assertTrue("Number of statements not 1", statements.size() == 1); { // params List params = methodDecl.parameters(); SingleVariableDeclaration firstParam = (SingleVariableDeclaration) params.get(0); SingleVariableDeclaration secondParam = (SingleVariableDeclaration) params.get(1); // args ExpressionStatement stmt = (ExpressionStatement) statements.get(0); FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression(); List arguments = invocation.arguments(); SimpleName first = (SimpleName) arguments.get(0); SimpleName second = (SimpleName) arguments.get(1); // rename args SimpleName newFirstArg = methodDecl.getAST().newSimpleName("yyy"); SimpleName newSecondArg = methodDecl.getAST().newSimpleName("bb"); rewrite.replace(first, newFirstArg, null); rewrite.replace(second, newSecondArg, null); // rename params SimpleName newFirstName = methodDecl.getAST().newSimpleName("yyy"); SimpleName newSecondName = methodDecl.getAST().newSimpleName("bb"); rewrite.replace(firstParam.getName(), newFirstName, null); rewrite.replace(secondParam.getName(), newSecondName, null); // reoder params ASTNode paramplaceholder1 = rewrite.createCopyTarget(firstParam); ASTNode paramplaceholder2 = rewrite.createCopyTarget(secondParam); rewrite.replace(firstParam, paramplaceholder2, null); rewrite.replace(secondParam, paramplaceholder1, null); // reorder args ASTNode placeholder1 = rewrite.createCopyTarget(first); ASTNode placeholder2 = rewrite.createCopyTarget(second); rewrite.replace(first, placeholder2, null); rewrite.replace(second, placeholder1, null); } String preview = evaluateRewrite(cu, rewrite); buf = new StringBuffer(); buf.append(" function m(bb, yyy) {\n"); buf.append(" m(bb, yyy);\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()); }
/* * @see ASTVisitor#visit(ExpressionStatement) */ public boolean visit(ExpressionStatement node) { node.getExpression().accept(this); this.fBuffer.append(";"); // $NON-NLS-1$ return false; }