/*
* @see ASTVisitor#visit(ArrayAccess)
*/
public boolean visit(ArrayAccess node) {
node.getArray().accept(this);
this.fBuffer.append("["); // $NON-NLS-1$
node.getIndex().accept(this);
this.fBuffer.append("]"); // $NON-NLS-1$
return false;
}
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());
}