2703 if (parametersSet.contains(parameterName)) {
2704 // redefinition of parameter name
2705 if (strict) {
2706 throw error(AbstractParser.message("strict.param.redefinition", parameterName), parameter.getToken());
2707 }
2708 // rename in non-strict mode
2709 parameterName = functionNode.uniqueName(parameterName);
2710 final long parameterToken = parameter.getToken();
2711 parameters.set(i, new IdentNode(parameterToken, Token.descPosition(parameterToken), functionNode.uniqueName(parameterName)));
2712 }
2713
2714 parametersSet.add(parameterName);
2715 }
2716 } else if (arity == 1) {
2717 if (isArguments(parameters.get(0))) {
2718 functionNode = functionNode.setFlag(lc, FunctionNode.DEFINES_ARGUMENTS);
2719 }
2720 }
2721
2722 if (isStatement) {
2723 final int varFlags = (topLevel || !useBlockScope()) ? 0 : VarNode.IS_LET;
2724 final VarNode varNode = new VarNode(functionLine, functionToken, finish, name, functionNode, varFlags);
2725 if (topLevel) {
2726 functionDeclarations.add(varNode);
2727 } else if (useBlockScope()) {
2728 prependStatement(varNode); // Hoist to beginning of current block
2729 } else {
2730 appendStatement(varNode);
2731 }
2732 }
2733
2734 return functionNode;
2735 }
2736
2737 private String getDefaultValidFunctionName(final int functionLine, final boolean isStatement) {
2738 final String defaultFunctionName = getDefaultFunctionName();
2739 if (isValidIdentifier(defaultFunctionName)) {
2740 if (isStatement) {
2741 // The name will be used as the LHS of a symbol assignment. We add the anonymous function
2742 // prefix to ensure that it can't clash with another variable.
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2703 if (parametersSet.contains(parameterName)) {
2704 // redefinition of parameter name
2705 if (strict) {
2706 throw error(AbstractParser.message("strict.param.redefinition", parameterName), parameter.getToken());
2707 }
2708 // rename in non-strict mode
2709 parameterName = functionNode.uniqueName(parameterName);
2710 final long parameterToken = parameter.getToken();
2711 parameters.set(i, new IdentNode(parameterToken, Token.descPosition(parameterToken), functionNode.uniqueName(parameterName)));
2712 }
2713
2714 parametersSet.add(parameterName);
2715 }
2716 } else if (arity == 1) {
2717 if (isArguments(parameters.get(0))) {
2718 functionNode = functionNode.setFlag(lc, FunctionNode.DEFINES_ARGUMENTS);
2719 }
2720 }
2721
2722 if (isStatement) {
2723 if (isAnonymous) {
2724 appendStatement(new ExpressionStatement(functionLine, functionToken, finish, functionNode));
2725 return functionNode;
2726 }
2727
2728 final int varFlags = (topLevel || !useBlockScope()) ? 0 : VarNode.IS_LET;
2729 final VarNode varNode = new VarNode(functionLine, functionToken, finish, name, functionNode, varFlags);
2730 if (topLevel) {
2731 functionDeclarations.add(varNode);
2732 } else if (useBlockScope()) {
2733 prependStatement(varNode); // Hoist to beginning of current block
2734 } else {
2735 appendStatement(varNode);
2736 }
2737 }
2738
2739 return functionNode;
2740 }
2741
2742 private String getDefaultValidFunctionName(final int functionLine, final boolean isStatement) {
2743 final String defaultFunctionName = getDefaultFunctionName();
2744 if (isValidIdentifier(defaultFunctionName)) {
2745 if (isStatement) {
2746 // The name will be used as the LHS of a symbol assignment. We add the anonymous function
2747 // prefix to ensure that it can't clash with another variable.
|