Exemplo n.º 1
0
        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("var ");
            Parser.Settings.Indent();
            bool useNewline = !(Parent is ForNode || Parent is ForIn);

            bool first = true;

            for (int ndx = 0; ndx < m_list.Count; ++ndx)
            {
                VariableDeclaration vdecl = m_list[ndx];
                if (vdecl != null)
                {
                    if (!first)
                    {
                        sb.Append(',');
                        if (useNewline)
                        {
                            Parser.Settings.NewLine(sb);
                        }
                    }
                    sb.Append(vdecl.ToCode());
                    first = false;
                }
            }
            Parser.Settings.Unindent();
            return(sb.ToString());
        }
Exemplo n.º 2
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 public override string ToCode(ToCodeFormat format)
 {
     StringBuilder sb = new StringBuilder();
     sb.Append(m_isGetter ? "get " : "set ");
     sb.Append(Value);
     return sb.ToString();
 }
Exemplo n.º 3
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        public override string ToCode(ToCodeFormat format)
        {
            string operandString = Operand.ToCode(format);

            if (NeedsParentheses)
            {
                operandString = "(" + operandString + ")";
            }
            switch (m_postOrPrefixOperator)
            {
            case PostOrPrefix.PostfixDecrement:
                return(operandString + "--");

            case PostOrPrefix.PostfixIncrement:
                return(operandString + "++");

            case PostOrPrefix.PrefixDecrement:
                return("--" + operandString);

            case PostOrPrefix.PrefixIncrement:
                return("++" + operandString);

            default:
                throw new UnexpectedTokenException();
            }
        }
Exemplo n.º 4
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            if (Parser.Settings.LocalRenaming != LocalRenaming.KeepAll &&
                Parser.Settings.IsModificationAllowed(TreeModifications.LocalRenaming))
            {
                // we're hyper-crunching.
                // we want to output our label as per our nested level.
                // top-level is "a", next level is "b", etc.
                // we don't need to worry about collisions with variables.
                sb.Append(CrunchEnumerator.CrunchedLabel(m_nestCount));
            }
            else
            {
                // not hypercrunching -- just output our label
                sb.Append(m_label);
            }
            sb.Append(':');
            if (m_statement != null)
            {
                // don't sent the AlwaysBraces down the chain -- we're handling it here.
                // but send any other formats down -- we don't know why they were sent.
                sb.Append(m_statement.ToCode(format));
            }
            return(sb.ToString());
        }
Exemplo n.º 5
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append(JSScanner.GetOperatorString(OperatorToken));
            if (Operand != null)
            {
                string operandString = Operand.ToCode(format);
                if (NeedsParentheses)
                {
                    sb.Append('(');
                    sb.Append(operandString);
                    sb.Append(')');
                }
                else
                {
                    if (operandString.Length > 0)
                    {
                        // make sure that - - or + + doesn't get crunched to -- or ++
                        // (which would totally change the meaning of the code)
                        if ((OperatorToken == JSToken.Minus && operandString[0] == '-') ||
                            (OperatorToken == JSToken.Plus && operandString[0] == '+'))
                        {
                            sb.Append(' ');
                        }
                    }
                    sb.Append(operandString);
                }
            }
            return(sb.ToString());
        }
Exemplo n.º 6
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("throw");
            string exprString = (
                m_operand == null
              ? string.Empty
              : m_operand.ToCode()
                );

            if (exprString.Length > 0)
            {
                if (JSScanner.StartsWithIdentifierPart(exprString))
                {
                    sb.Append(' ');
                }
                sb.Append(exprString);
            }
            if (Parser.Settings.MacSafariQuirks)
            {
                sb.Append(';');
            }
            return(sb.ToString());
        }
Exemplo n.º 7
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 public override string ToCode(ToCodeFormat format)
 {
     StringBuilder sb = new StringBuilder();
     sb.Append(JSScanner.GetOperatorString(OperatorToken));
     if (Operand != null)
     {
         string operandString = Operand.ToCode(format);
         if (NeedsParentheses)
         {
             sb.Append('(');
             sb.Append(operandString);
             sb.Append(')');
         }
         else
         {
             if (operandString.Length > 0)
             {
                 // make sure that - - or + + doesn't get crunched to -- or ++
                 // (which would totally change the meaning of the code)
                 if ((OperatorToken == JSToken.Minus && operandString[0] == '-')
                   || (OperatorToken == JSToken.Plus && operandString[0] == '+'))
                 {
                     sb.Append(' ');
                 }
             }
             sb.Append(operandString);
         }
     }
     return sb.ToString();
 }
Exemplo n.º 8
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("for(");

            string var = m_var.ToCode();

            sb.Append(var);
            if (JSScanner.EndsWithIdentifierPart(var))
            {
                sb.Append(' ');
            }
            sb.Append("in");

            string collection = m_collection.ToCode();

            if (JSScanner.StartsWithIdentifierPart(collection))
            {
                sb.Append(' ');
            }
            sb.Append(m_collection.ToCode());
            sb.Append(')');

            string bodyString = (
                m_body == null
              ? string.Empty
              : m_body.ToCode()
                );

            sb.Append(bodyString);
            return(sb.ToString());
        }
Exemplo n.º 9
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("do");

            ToCodeFormat bodyFormat = ((Body != null &&
                                        Body.Count == 1 &&
                                        Body[0].GetType() == typeof(DoWhile))
              ? ToCodeFormat.AlwaysBraces
              : ToCodeFormat.Normal
                                       );

            // if the body is a single statement that ends in a do-while, then we
            // will need to wrap the body in curly-braces to get around an IE bug
            if (Body != null && Body.EncloseBlock(EncloseBlockType.SingleDoWhile))
            {
                bodyFormat = ToCodeFormat.AlwaysBraces;
            }

            string bodyString = (
                Body == null
              ? string.Empty
              : Body.ToCode(bodyFormat)
                );

            if (bodyString.Length == 0)
            {
                sb.Append(';');
            }
            else
            {
                // if the first character could be interpreted as a continuation
                // of the "do" keyword, then we need to add a space
                if (JSScanner.StartsWithIdentifierPart(bodyString))
                {
                    sb.Append(' ');
                }
                sb.Append(bodyString);

                // if there is no body, we need a semi-colon
                // OR if we didn't always wrap in braces AND we require a separator, we need a semi-colon.
                // and make sure it doesn't already end in a semicolon -- we don't want two in a row.
                if (Body == null ||
                    (bodyFormat != ToCodeFormat.AlwaysBraces && Body.RequiresSeparator && !bodyString.EndsWith(";", StringComparison.Ordinal)))
                {
                    sb.Append(';');
                }
            }
            // add a space for readability for pretty-print mode
            if (Parser.Settings.OutputMode == OutputMode.MultipleLines && Parser.Settings.IndentSize > 0)
            {
                sb.Append(' ');
            }
            sb.Append("while(");
            sb.Append(Condition.ToCode());
            sb.Append(")");
            return(sb.ToString());
        }
Exemplo n.º 10
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        /*
         * public override AstNode Clone()
         * {
         * return new GetterSetter(m_identifier, m_isGetter, Context.Clone(), Parser);
         * }
         */

        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append(m_isGetter ? "get " : "set ");
            sb.Append(Value);
            return(sb.ToString());
        }
Exemplo n.º 11
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 public override string ToCode(ToCodeFormat format)
 {
     // if we have a local field pointer that has a crunched name,
     // the return the crunched name. Otherwise just return our given name;
     return(VariableField != null
         ? VariableField.ToString()
         : m_name);
 }
Exemplo n.º 12
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 public override string ToCode(ToCodeFormat format)
 {
     return string.Format(
       CultureInfo.InvariantCulture,
       "/{0}/{1}",
       Pattern,
       (PatternSwitches == null ? string.Empty : PatternSwitches)
       );
 }
Exemplo n.º 13
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 public override string ToCode(ToCodeFormat format)
 {
     return(string.Format(
                CultureInfo.InvariantCulture,
                "/{0}/{1}",
                m_pattern,
                (m_patternSwitches == null ? string.Empty : m_patternSwitches)
                ));
 }
Exemplo n.º 14
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append('[');
            if (m_elements != null)
            {
                sb.Append(m_elements.ToCode(ToCodeFormat.Commas));
            }
            sb.Append(']');
            return(sb.ToString());
        }
Exemplo n.º 15
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        public override string ToCode(ToCodeFormat format)
        {
            bool   requiresSeparator = false;
            string separator;

            switch (format)
            {
            case ToCodeFormat.Commas:
                separator = ",";
                break;

            case ToCodeFormat.Semicolons:
                separator = ";";
                break;

            default:
                separator = string.Empty;
                break;
            }

            StringBuilder sb = new StringBuilder();

            for (int ndx = 0; ndx < m_list.Count; ++ndx)
            {
                // the crunched code for the item, passing in the separator
                // we are using (in case it affects the code by needing to add parens or something)
                string itemText = m_list[ndx].ToCode(format);

                // see if we need to add the separator
                if (separator.Length > 0)
                {
                    // don't add it if this is the first item; we only need it between them
                    // (and only then if it's required)
                    if (ndx > 0 && requiresSeparator)
                    {
                        sb.Append(separator);
                    }

                    // see if we'll need one for the next iteration (if any).
                    // if we're separating with commas, then we will always add a comma unless there already is one.
                    // otherwise we'll only add a separator if there isn't already one AND we require a separator.
                    requiresSeparator = !itemText.EndsWith(separator, StringComparison.Ordinal) &&
                                        (format == ToCodeFormat.Commas || m_list[ndx].RequiresSeparator);
                }

                // add the item to the stream
                sb.Append(itemText);
            }
            return(sb.ToString());
        }
Exemplo n.º 16
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        //code in parser relies on the member string (x.y.z...) being returned from here
        public override string ToCode(ToCodeFormat format)
        {
            // pass P to the root object so it knows we might want parentheses
            string rootCrunched = Root.ToCode();

            // these tests are for items that DON'T need parens, and then we NOT the results.
            // non-numeric constant wrappers don't need parens (boolean, string, null).
            // numeric constant wrappers need parens IF there is no decimal point.
            // function expressions will take care of their own parens.
            bool needParen = !(
                (Root is Lookup) ||
                (Root is Member) ||
                (Root is CallNode) ||
                (Root is ThisLiteral) ||
                (Root is ArrayLiteral) ||
                (Root is ObjectLiteral) ||
                (Root is RegExpLiteral) ||
                (Root is FunctionObject) ||
                (Root is ConstantWrapper && !((ConstantWrapper)Root).IsNumericLiteral) ||
                (Root is ConstantWrapper && ((ConstantWrapper)Root).IsNumericLiteral && rootCrunched.Contains("."))
                );

            // if the root is a constructor with no arguments, we'll need to wrap it in parens so the
            // member-dot comes out with the right precedence.
            // (don't bother checking if we already are already going to use parens)
            if (!needParen)
            {
                CallNode callNode = Root as CallNode;
                if (callNode != null && callNode.IsConstructor && (callNode.Arguments == null || callNode.Arguments.Count == 0))
                {
                    needParen = true;
                }
            }

            StringBuilder sb = new StringBuilder();

            if (needParen)
            {
                sb.Append('(');
                sb.Append(rootCrunched);
                sb.Append(')');
            }
            else
            {
                sb.Append(rootCrunched);
            }
            sb.Append('.');
            sb.Append(Name);
            return(sb.ToString());
        }
Exemplo n.º 17
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 public override string ToCode(ToCodeFormat format)
 {
     StringBuilder sb = new StringBuilder();
     sb.Append("return");
     if (m_operand != null)
     {
         string operandText = m_operand.ToCode();
         if (operandText.Length > 0 && JSScanner.StartsWithIdentifierPart(operandText))
         {
             sb.Append(' ');
         }
         sb.Append(operandText);
     }
     return sb.ToString();
 }
Exemplo n.º 18
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 public override string ToCode(ToCodeFormat format)
 {
     StringBuilder sb = new StringBuilder();
     if (m_forceComments)
     {
         sb.Append("/*");
     }
     sb.Append('@');
     sb.Append(m_varName);
     if (m_forceComments)
     {
         sb.Append("@*/");
     }
     return sb.ToString();
 }
Exemplo n.º 19
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        public override string ToCode(ToCodeFormat format)
        {
            if (PrimitiveType == PrimitiveType.String)
            {
                string rawValue = Value.ToString();

                // if the raw value is safe to be an identifier, then go ahead and ditch the quotes and just output
                // the raw value. Otherwise call ToCode to wrap the string in quotes.
                return(JSScanner.IsSafeIdentifier(rawValue) && !JSScanner.IsKeyword(rawValue) ? rawValue : base.ToCode(format));
            }
            else
            {
                // call the base to format the value
                return(base.ToCode(format));
            }
        }
Exemplo n.º 20
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            if (m_forceComments)
            {
                sb.Append("/*");
            }
            sb.Append('@');
            sb.Append(m_varName);
            if (m_forceComments)
            {
                sb.Append("@*/");
            }
            return(sb.ToString());
        }
Exemplo n.º 21
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("return");
            if (m_operand != null)
            {
                string operandText = m_operand.ToCode();
                if (operandText.Length > 0 && JSScanner.StartsWithIdentifierPart(operandText))
                {
                    sb.Append(' ');
                }
                sb.Append(operandText);
            }
            return(sb.ToString());
        }
Exemplo n.º 22
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append(m_field.ToString());
            if (m_initializer != null)
            {
                if (m_ccSpecialCase)
                {
                    sb.Append(UseCCOn ? "/*@cc_on=" : "/*@=");
                }
                else
                {
                    if (Parser.Settings.OutputMode == OutputMode.MultipleLines && Parser.Settings.IndentSize > 0)
                    {
                        sb.Append(" = ");
                    }
                    else
                    {
                        sb.Append('=');
                    }
                }

                bool useParen = false;
                // a comma operator is the only thing with a lesser precedence than an assignment
                BinaryOperator binOp = m_initializer as BinaryOperator;
                if (binOp != null && binOp.OperatorToken == JSToken.Comma)
                {
                    useParen = true;
                }
                if (useParen)
                {
                    sb.Append('(');
                }
                sb.Append(m_initializer.ToCode(m_ccSpecialCase ? ToCodeFormat.Preprocessor : ToCodeFormat.Normal));
                if (useParen)
                {
                    sb.Append(')');
                }

                if (m_ccSpecialCase)
                {
                    sb.Append("@*/");
                }
            }
            return(sb.ToString());
        }
Exemplo n.º 23
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("with(");
            sb.Append(m_withObject.ToCode());
            sb.Append(")");

            string bodyString = (
                m_block == null
              ? ";"
              : m_block.ToCode()
                );

            sb.Append(bodyString);
            return(sb.ToString());
        }
Exemplo n.º 24
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        public override string ToCode(ToCodeFormat format)
        {
            if (PrimitiveType == PrimitiveType.String
                && Parser.Settings.IsModificationAllowed(TreeModifications.RemoveQuotesFromObjectLiteralNames))
            {
                string rawValue = Value.ToString();

                // if the raw value is safe to be an identifier, then go ahead and ditch the quotes and just output
                // the raw value. Otherwise call ToCode to wrap the string in quotes.
                return JSScanner.IsSafeIdentifier(rawValue) && !JSScanner.IsKeyword(rawValue, EnclosingScope.UseStrict) ? rawValue : base.ToCode(format);
            }
            else
            {
                // call the base to format the value
                return base.ToCode(format);
            }
        }
Exemplo n.º 25
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("while(");
            sb.Append(Condition.ToCode());
            sb.Append(')');

            string bodyString = (
                Body == null
              ? string.Empty
              : Body.ToCode()
                );

            sb.Append(bodyString);
            return(sb.ToString());
        }
Exemplo n.º 26
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 public override string ToCode(ToCodeFormat format)
 {
     string operandString = Operand.ToCode(format);
     if (NeedsParentheses)
     {
         // need parentheses
         return "typeof(" + operandString + ')';
     }
     else if (JSScanner.StartsWithIdentifierPart(operandString))
     {
         // need a space separating them
         return "typeof " + operandString;
     }
     else
     {
         // don't need the space
         return "typeof" + operandString;
     }
 }
Exemplo n.º 27
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 public override string ToCode(ToCodeFormat format)
 {
     string operandString = Operand.ToCode(format);
     if (NeedsParentheses)
     {
         // need parens
         return "void(" + operandString + ')';
     }
     else if (JSScanner.StartsWithIdentifierPart(operandString))
     {
         // need the space
         return "void " + operandString;
     }
     else
     {
         // no separator needed
         return "void" + operandString;
     }
 }
Exemplo n.º 28
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();
            // switch and value
            sb.Append("switch(");
            sb.Append(m_expression.ToCode());
            sb.Append(')');

            // opening brace
            Parser.Settings.NewLine(sb);
            sb.Append('{');

            // cases
            sb.Append(m_cases.ToCode(ToCodeFormat.Semicolons));

            // closing brace
            Parser.Settings.NewLine(sb);
            sb.Append('}');
            return sb.ToString();
        }
Exemplo n.º 29
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        public override string ToCode(ToCodeFormat format)
        {
            string operandString = Operand.ToCode(format);

            if (NeedsParentheses)
            {
                // need parentheses
                return("typeof(" + operandString + ')');
            }
            else if (JSScanner.StartsWithIdentifierPart(operandString))
            {
                // need a space separating them
                return("typeof " + operandString);
            }
            else
            {
                // don't need the space
                return("typeof" + operandString);
            }
        }
Exemplo n.º 30
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        public override string ToCode(ToCodeFormat format)
        {
            string operandString = Operand.ToCode(format);

            if (NeedsParentheses)
            {
                // needs parens
                return("delete(" + operandString + ')');
            }
            else if (JSScanner.StartsWithIdentifierPart(operandString))
            {
                // needs a space
                return("delete " + operandString);
            }
            else
            {
                // needs no separator
                return("delete" + operandString);
            }
        }
Exemplo n.º 31
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            // the label should be indented
            Parser.Settings.Indent();
            // start a new line
            Parser.Settings.NewLine(sb);
            if (m_caseValue != null)
            {
                sb.Append("case");

                string caseValue = m_caseValue.ToCode();
                if (JSScanner.StartsWithIdentifierPart(caseValue))
                {
                    sb.Append(' ');
                }
                sb.Append(caseValue);
            }
            else
            {
                sb.Append("default");
            }
            sb.Append(':');

            // in pretty-print mode, we indent the statements under the label, too
            Parser.Settings.Indent();

            // output the statements
            if (m_statements != null && m_statements.Count > 0)
            {
                sb.Append(m_statements.ToCode(ToCodeFormat.NoBraces));
            }

            // if we are pretty-printing, we need to unindent twice:
            // once for the label, and again for the statements
            Parser.Settings.Unindent();
            Parser.Settings.Unindent();
            return(sb.ToString());
        }
Exemplo n.º 32
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("continue");
            if (Label != null)
            {
                sb.Append(' ');
                if (Parser.Settings.LocalRenaming != LocalRenaming.KeepAll
                    && Parser.Settings.IsModificationAllowed(TreeModifications.LocalRenaming))
                {
                    // hypercrunched -- only depends on nesting level
                    sb.Append(CrunchEnumerator.CrunchedLabel(NestLevel));
                }
                else
                {
                    // not hypercrunched -- just output label
                    sb.Append(Label);
                }
            }

            return sb.ToString();
        }
Exemplo n.º 33
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("@set@");
            sb.Append(m_variableName);
            sb.Append('=');

            // if the value is an operator of any kind, we need to wrap it in parentheses
            // so it gets properly parsed
            if (m_value is BinaryOperator || m_value is UnaryOperator)
            {
                sb.Append('(');
                sb.Append(m_value.ToCode());
                sb.Append(')');
            }
            else if (m_value != null)
            {
                sb.Append(m_value.ToCode());
            }
            return(sb.ToString());
        }
Exemplo n.º 34
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("for(");
            if (Initializer != null)
            {
                sb.Append(Initializer.ToCode());
            }
            sb.Append(';');
            CodeSettings codeSettings = Parser.Settings;

            if (codeSettings.OutputMode == OutputMode.MultipleLines && codeSettings.IndentSize > 0)
            {
                sb.Append(' ');
            }
            if (Condition != null)
            {
                sb.Append(Condition.ToCode());
            }
            sb.Append(';');
            if (codeSettings.OutputMode == OutputMode.MultipleLines && codeSettings.IndentSize > 0)
            {
                sb.Append(' ');
            }
            if (Incrementer != null)
            {
                sb.Append(Incrementer.ToCode());
            }
            sb.Append(')');
            string bodyString = (
                Body == null
              ? string.Empty
              : Body.ToCode()
                );

            sb.Append(bodyString);
            return(sb.ToString());
        }
Exemplo n.º 35
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            // if there aren't any statements, we don't need this comment
            if (m_statements.Count > 0)
            {
                sb.Append("/*");

                // a first conditional compilation statement will take care of the opening @-sign,
                // so if the first statement is NOT a conditional compilation statement, then we
                // need to take care of it outselves
                if (!(m_statements[0] is ConditionalCompilationStatement))
                {
                    sb.Append("@ ");
                }

                sb.Append(m_statements.ToCode(ToCodeFormat.NoBraces));
                sb.Append("@*/");
            }
            return(sb.ToString());
        }
Exemplo n.º 36
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append('{');

            int count = (m_keys.Length < m_values.Length ? m_keys.Length : m_values.Length);

            if (count > 0)
            {
                Parser.Settings.Indent();
                for (int ndx = 0; ndx < count; ++ndx)
                {
                    if (ndx > 0)
                    {
                        sb.Append(',');
                    }

                    Parser.Settings.NewLine(sb);
                    sb.Append(m_keys[ndx].ToCode());
                    if (m_keys[ndx] is GetterSetter)
                    {
                        sb.Append(m_values[ndx].ToCode(ToCodeFormat.NoFunction));
                    }
                    else
                    {
                        // the key is always an identifier, string or numeric literal
                        sb.Append(':');
                        sb.Append(m_values[ndx].ToCode());
                    }
                }

                Parser.Settings.Unindent();
                Parser.Settings.NewLine(sb);
            }

            sb.Append('}');
            return(sb.ToString());
        }
Exemplo n.º 37
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("continue");
            if (m_label != null)
            {
                sb.Append(' ');
                if (Parser.Settings.LocalRenaming != LocalRenaming.KeepAll &&
                    Parser.Settings.IsModificationAllowed(TreeModifications.LocalRenaming))
                {
                    // hypercrunched -- only depends on nesting level
                    sb.Append(CrunchEnumerator.CrunchedLabel(m_nestLevel));
                }
                else
                {
                    // not hypercrunched -- just output label
                    sb.Append(m_label);
                }
            }

            return(sb.ToString());
        }
Exemplo n.º 38
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 public override string ToCode(ToCodeFormat format)
 {
     return "this";
 }
Exemplo n.º 39
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 public override string ToCode(ToCodeFormat format)
 {
     StringBuilder sb = new StringBuilder();
     if (Parser.Settings.LocalRenaming != LocalRenaming.KeepAll
         && Parser.Settings.IsModificationAllowed(TreeModifications.LocalRenaming))
     {
         // we're hyper-crunching.
         // we want to output our label as per our nested level.
         // top-level is "a", next level is "b", etc.
         // we don't need to worry about collisions with variables.
         sb.Append(CrunchEnumerator.CrunchedLabel(m_nestCount));
     }
     else
     {
         // not hypercrunching -- just output our label
         sb.Append(m_label);
     }
     sb.Append(':');
     if (m_statement != null)
     {
         // don't sent the AlwaysBraces down the chain -- we're handling it here.
         // but send any other formats down -- we don't know why they were sent.
         sb.Append(m_statement.ToCode(format));
     }
     return sb.ToString();
 }
Exemplo n.º 40
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            // passing a "T" format means nested try's don't actually nest -- they
            // just add the catch clauses to the end
            if (format != ToCodeFormat.NestedTry)
            {
                sb.Append("try");
                if (TryBlock == null)
                {
                    // empty body
                    sb.Append("{}");
                }
                else
                {
                    sb.Append(TryBlock.ToCode(ToCodeFormat.NestedTry));
                }
            }
            else
            {
                sb.Append(TryBlock.ToCode(ToCodeFormat.NestedTry));
            }

            // handle the catch clause (if any)
            // catch should always have braces around it
            string catchString = (
                CatchBlock == null
                ? string.Empty
                : CatchBlock.Count == 0
                    ? "{}"
                    : CatchBlock.ToCode(ToCodeFormat.AlwaysBraces)
                );

            if (catchString.Length > 0)
            {
                Parser.Settings.NewLine(sb);
                sb.Append("catch(");
                if (m_catchVariable != null)
                {
                    sb.Append(m_catchVariable.ToString());
                }
                else if (m_catchVarName != null)
                {
                    sb.Append(m_catchVarName);
                }
                sb.Append(')');
                sb.Append(catchString);
            }

            // handle the finally, if any
            // finally should always have braces around it
            string finallyString = (
                FinallyBlock == null
              ? string.Empty
              : FinallyBlock.ToCode(ToCodeFormat.AlwaysBraces)
                );

            if (finallyString.Length > 0)
            {
                Parser.Settings.NewLine(sb);
                sb.Append("finally");
                sb.Append(finallyString);
            }
            return(sb.ToString());
        }
Exemplo n.º 41
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        public override string ToCode(ToCodeFormat format)
        {
            string str;
            switch(PrimitiveType)
            {
                case PrimitiveType.Null:
                    str = "null";
                    break;

                case PrimitiveType.Number:
                    if (Context == null || Parser.Settings.IsModificationAllowed(TreeModifications.MinifyNumericLiterals))
                    {
                        // apply minification to the literal to get it as small as possible
                        str = NumericToString();
                    }
                    else
                    {
                        // just use the original literal from the context
                        str = Context.Code;
                    }
                    break;

                case PrimitiveType.Boolean:
                    str = Convert.ToBoolean(Value, CultureInfo.InvariantCulture)
                      ? "true"
                      : "false";
                    break;

                case PrimitiveType.String:
                    if (Context == null || Parser.Settings.IsModificationAllowed(TreeModifications.MinifyStringLiterals))
                    {
                        // escape the string
                        str = EscapeString(
                            Value.ToString(),
                            IsParameterToRegExp,
                            false,
                            EnclosingScope.UseStrict);
                    }
                    else
                    {
                        // just use the original literal from the context
                        str = Context.Code;
                    }

                    if (Parser.Settings.InlineSafeStrings)
                    {
                        // if there are ANY closing script tags...
                        if (str.IndexOf("</script>", StringComparison.OrdinalIgnoreCase) >= 0)
                        {
                            // replace all of them with an escaped version so a text-compare won't match
                            str = str.Replace("</script>", @"<\/script>");
                        }

                        // if there are ANY closing CDATA strings...
                        if (str.IndexOf("]]>", StringComparison.Ordinal) >= 0)
                        {
                            // replace all of them with an escaped version so a text-compare won't match
                            str = str.Replace("]]>", @"]\]>");
                        }
                    }
                    break;

                default:
                    // other....
                    str = Value.ToString();
                    break;
            }

            return str;
        }
Exemplo n.º 42
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 public override string ToCode(ToCodeFormat format)
 {
     return "@else";
 }
Exemplo n.º 43
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("do");

            ToCodeFormat bodyFormat = ((Body != null
              && Body.Count == 1
              && Body[0].GetType() == typeof(DoWhile))
              ? ToCodeFormat.AlwaysBraces
              : ToCodeFormat.Normal
              );

            // if the body is a single statement that ends in a do-while, then we
            // will need to wrap the body in curly-braces to get around an IE bug
            if (Body != null && Body.EncloseBlock(EncloseBlockType.SingleDoWhile))
            {
                bodyFormat = ToCodeFormat.AlwaysBraces;
            }

            string bodyString = (
              Body == null
              ? string.Empty
              : Body.ToCode(bodyFormat)
              );
            if (bodyString.Length == 0)
            {
                sb.Append(';');
            }
            else
            {
                // if the first character could be interpreted as a continuation
                // of the "do" keyword, then we need to add a space
                if (JSScanner.StartsWithIdentifierPart(bodyString))
                {
                    sb.Append(' ');
                }
                sb.Append(bodyString);

                // if there is no body, we need a semi-colon
                // OR if we didn't always wrap in braces AND we require a separator, we need a semi-colon.
                // and make sure it doesn't already end in a semicolon -- we don't want two in a row.
                if (Body == null
                    || (bodyFormat != ToCodeFormat.AlwaysBraces && Body.RequiresSeparator && !bodyString.EndsWith(";", StringComparison.Ordinal)))
                {
                    sb.Append(';');
                }
            }
            // add a space for readability for pretty-print mode
            if (Parser.Settings.OutputMode == OutputMode.MultipleLines && Parser.Settings.IndentSize > 0)
            {
                sb.Append(' ');
            }
            sb.Append("while(");
            sb.Append(Condition.ToCode());
            sb.Append(")");
            return sb.ToString();
        }
Exemplo n.º 44
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();
            // the label should be indented
            Parser.Settings.Indent();
            // start a new line
            Parser.Settings.NewLine(sb);
            if (m_caseValue != null)
            {
                sb.Append("case");

                string caseValue = m_caseValue.ToCode();
                if (JSScanner.StartsWithIdentifierPart(caseValue))
                {
                    sb.Append(' ');
                }
                sb.Append(caseValue);
            }
            else
            {
                sb.Append("default");
            }
            sb.Append(':');

            // in pretty-print mode, we indent the statements under the label, too
            Parser.Settings.Indent();

            // output the statements
            if (m_statements != null && m_statements.Count > 0)
            {
                sb.Append(m_statements.ToCode(ToCodeFormat.NoBraces));
            }

            // if we are pretty-printing, we need to unindent twice:
            // once for the label, and again for the statements
            Parser.Settings.Unindent();
            Parser.Settings.Unindent();
            return sb.ToString();
        }
Exemplo n.º 45
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 public override string ToCode(ToCodeFormat format)
 {
     StringBuilder sb = new StringBuilder();
     sb.Append("for(");
     if (Initializer != null)
     {
         sb.Append(Initializer.ToCode());
     }
     sb.Append(';');
     CodeSettings codeSettings = Parser.Settings;
     if (codeSettings.OutputMode == OutputMode.MultipleLines && codeSettings.IndentSize > 0)
     {
         sb.Append(' ');
     }
     if (Condition != null)
     {
         sb.Append(Condition.ToCode());
     }
     sb.Append(';');
     if (codeSettings.OutputMode == OutputMode.MultipleLines && codeSettings.IndentSize > 0)
     {
         sb.Append(' ');
     }
     if (Incrementer != null)
     {
         sb.Append(Incrementer.ToCode());
     }
     sb.Append(')');
     string bodyString = (
       Body == null
       ? string.Empty
       : Body.ToCode()
       );
     sb.Append(bodyString);
     return sb.ToString();
 }
Exemplo n.º 46
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 public override string ToCode(ToCodeFormat format)
 {
     return "@elif(" + Condition.ToCode() + ")";
 }
Exemplo n.º 47
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();
            bool parens = NeedsParens(Condition, JSToken.ConditionalIf);
            if (parens)
            {
                sb.Append('(');
            }

            sb.Append(Condition.ToCode());
            if (parens)
            {
                sb.Append(')');
            }

            CodeSettings codeSettings = Parser.Settings;
            if (codeSettings.OutputMode == OutputMode.MultipleLines && codeSettings.IndentSize > 0)
            {
                sb.Append(" ? ");
            }
            else
            {
                sb.Append('?');
            }

            // the true and false operands are parsed as assignment operators, so use that token as the
            // reference token to compare against for operator precedence to determine if we need parens
            parens = NeedsParens(TrueExpression, JSToken.Assign);
            if (parens)
            {
                sb.Append('(');
            }

            sb.Append(TrueExpression.ToCode());
            if (parens)
            {
                sb.Append(')');
            }

            if (codeSettings.OutputMode == OutputMode.MultipleLines && codeSettings.IndentSize > 0)
            {
                sb.Append(" : ");
            }
            else
            {
                sb.Append(':');
            }

            parens = NeedsParens(FalseExpression, JSToken.Assign);
            if (parens)
            {
                sb.Append('(');
            }

            sb.Append(FalseExpression.ToCode());
            if (parens)
            {
                sb.Append(')');
            }
            return sb.ToString();
        }
Exemplo n.º 48
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("for(");

            string var = Variable.ToCode();
            sb.Append(var);
            if (JSScanner.EndsWithIdentifierPart(var))
            {
                sb.Append(' ');
            }
            sb.Append("in");

            string collection = Collection.ToCode();
            if (JSScanner.StartsWithIdentifierPart(collection))
            {
                sb.Append(' ');
            }
            sb.Append(Collection.ToCode());
            sb.Append(')');

            string bodyString = (
              Body == null
              ? string.Empty
              : Body.ToCode()
              );
            sb.Append(bodyString);
            return sb.ToString();
        }
Exemplo n.º 49
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("if(");
            sb.Append(Condition.ToCode());
            sb.Append(')');

            // if we're in Safari-quirks mode, we will need to wrap the if block
            // in curly braces if it only includes a function declaration. Safari
            // throws parsing errors in those situations
            ToCodeFormat elseFormat = ToCodeFormat.Normal;
            if (FalseBlock != null && FalseBlock.Count == 1)
            {
                if (Parser.Settings.MacSafariQuirks
                    && FalseBlock[0] is FunctionObject)
                {
                    elseFormat = ToCodeFormat.AlwaysBraces;
                }
                else if (FalseBlock[0] is IfNode)
                {
                    elseFormat = ToCodeFormat.ElseIf;
                }
            }

            // get the else block -- we need to know if there is anything in order
            // to fully determine if the true-branch needs curly-braces
            string elseBlock = (
                FalseBlock == null
                ? string.Empty
                : FalseBlock.ToCode(elseFormat));

            // we'll need to force the true block to be enclosed in curly braces if
            // there is an else block and the true block contains a single statement
            // that ends in an if that doesn't have an else block
            ToCodeFormat trueFormat = (FalseBlock != null
                && TrueBlock != null
                && TrueBlock.EncloseBlock(EncloseBlockType.IfWithoutElse)
                ? ToCodeFormat.AlwaysBraces
                : ToCodeFormat.Normal);

            if (elseBlock.Length > 0
              && TrueBlock != null
              && TrueBlock.EncloseBlock(EncloseBlockType.SingleDoWhile))
            {
                trueFormat = ToCodeFormat.AlwaysBraces;
            }

            // if we're in Safari-quirks mode, we will need to wrap the if block
            // in curly braces if it only includes a function declaration. Safari
            // throws parsing errors in those situations
            if (Parser.Settings.MacSafariQuirks
                && TrueBlock != null
                && TrueBlock.Count == 1
                && TrueBlock[0] is FunctionObject)
            {
                trueFormat = ToCodeFormat.AlwaysBraces;
            }

            // add the true block
            string trueBlock = (
                TrueBlock == null
                ? string.Empty
                : TrueBlock.ToCode(trueFormat));
            sb.Append(trueBlock);

            if (elseBlock.Length > 0)
            {
                if (trueFormat != ToCodeFormat.AlwaysBraces
                    && !trueBlock.EndsWith(";", StringComparison.Ordinal)
                    && (TrueBlock == null || TrueBlock.RequiresSeparator))
                {
                    sb.Append(';');
                }

                // if we are in pretty-print mode, drop the else onto a new line
                Parser.Settings.NewLine(sb);
                sb.Append("else");
                // if the first character could be interpreted as a continuation
                // of the "else" statement, then we need to add a space
                if (JSScanner.StartsWithIdentifierPart(elseBlock))
                {
                    sb.Append(' ');
                }

                sb.Append(elseBlock);
            }
            return sb.ToString();
        }
Exemplo n.º 50
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 public override string ToCode(ToCodeFormat format)
 {
     return("@else");
 }
Exemplo n.º 51
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();
            // switch and value
            sb.Append("switch(");
            sb.Append(Expression.ToCode());
            sb.Append(')');

            // opening brace
            Parser.Settings.NewLine(sb);
            sb.Append('{');

            // cases
            sb.Append(Cases.ToCode(ToCodeFormat.Semicolons));

            // closing brace
            Parser.Settings.NewLine(sb);
            sb.Append('}');
            return sb.ToString();
        }
Exemplo n.º 52
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 public override string ToCode(ToCodeFormat format)
 {
     return m_comment;
 }
Exemplo n.º 53
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append('{');

            int count = (m_keys.Length < m_values.Length ? m_keys.Length : m_values.Length);
            if (count > 0)
            {
                Parser.Settings.Indent();
                for (int ndx = 0; ndx < count; ++ndx)
                {
                    if (ndx > 0)
                    {
                        sb.Append(',');
                    }

                    Parser.Settings.NewLine(sb);
                    sb.Append(m_keys[ndx].ToCode());
                    if (m_keys[ndx] is GetterSetter)
                    {
                        sb.Append(m_values[ndx].ToCode(ToCodeFormat.NoFunction));
                    }
                    else
                    {
                        // the key is always an identifier, string or numeric literal
                        sb.Append(':');
                        sb.Append(m_values[ndx].ToCode());
                    }
                }

                Parser.Settings.Unindent();
                Parser.Settings.NewLine(sb);
            }

            sb.Append('}');
            return sb.ToString();
        }
Exemplo n.º 54
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("var ");
            Parser.Settings.Indent();

            bool first = true;
            for (int ndx = 0; ndx < m_list.Count; ++ndx)
            {
                VariableDeclaration vdecl = m_list[ndx];
                if (vdecl != null)
                {
                    if (!first)
                    {
                        sb.Append(',');
                        Parser.Settings.NewLine(sb);
                    }
                    sb.Append(vdecl.ToCode());
                    first = false;
                }
            }
            Parser.Settings.Unindent();
            return sb.ToString();
        }
Exemplo n.º 55
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();
            if (!Parser.Settings.MinifyCode || !HideFromOutput)
            {
                if (LeftHandFunctionExpression)
                {
                    sb.Append('(');
                }
                if (format != ToCodeFormat.NoFunction)
                {
                    sb.Append("function");
                    if (Identifier != null)
                    {
                        // we don't want to show the name for named function expressions where the
                        // name is never referenced. Don't use IsReferenced because that will always
                        // return true for function expressions. Since we really only want to know if
                        // the field name is referenced, check the refcount directly on the field.
                        // also output the function expression name if this is debug mode
                        if (FunctionType != FunctionType.Expression
                            || !(Parser.Settings.RemoveFunctionExpressionNames && Parser.Settings.IsModificationAllowed(TreeModifications.RemoveFunctionExpressionNames))
                            || m_variableField.RefCount > 0)
                        {
                            sb.Append(' ');
                            sb.Append(Identifier.ToCode());
                        }
                    }
                }

                if (m_parameterDeclarations != null)
                {
                    sb.Append('(');
                    if (m_parameterDeclarations.Length > 0)
                    {
                        // figure out the last referenced argument so we can skip
                        // any that aren't actually referenced
                        int lastRef = m_parameterDeclarations.Length - 1;

                        // if we're not known at compile time, then we can't leave off unreferenced parameters
                        // (also don't leave things off if we're not hypercrunching)
                        // (also check the kill flag for removing unused parameters)
                        if (Parser.Settings.RemoveUnneededCode
                            && m_functionScope.IsKnownAtCompileTime
                            && Parser.Settings.MinifyCode
                            && Parser.Settings.IsModificationAllowed(TreeModifications.RemoveUnusedParameters))
                        {
                            while (lastRef >= 0)
                            {
                                // we want to loop backwards until we either find a parameter that is referenced.
                                // at that point, lastRef will be the index of the last referenced parameter so
                                // we can output from 0 to lastRef
                                JSArgumentField argumentField = m_parameterDeclarations[lastRef].Field;
                                if (argumentField != null && !argumentField.IsReferenced)
                                {
                                    --lastRef;
                                }
                                else
                                {
                                    // found a referenced parameter, or something weird -- stop looking
                                    break;
                                }
                            }
                        }

                        for (int ndx = 0; ndx <= lastRef; ++ndx)
                        {
                            if (ndx > 0)
                            {
                                sb.Append(',');
                            }
                            sb.Append(m_parameterDeclarations[ndx].Name);
                        }
                    }

                    sb.Append(')');
                }

                if (Body != null)
                {
                    if (Body.Count == 0)
                    {
                        sb.Append("{}");
                    }
                    else
                    {
                        sb.Append(Body.ToCode(ToCodeFormat.AlwaysBraces));
                    }
                }

                if (LeftHandFunctionExpression)
                {
                    sb.Append(')');
                }
            }
            return sb.ToString();
        }
Exemplo n.º 56
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 public override string ToCode(ToCodeFormat format)
 {
     return "@cc_on";
 }
Exemplo n.º 57
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        //code in parser relies on the member string (x.y.z...) being returned from here
        public override string ToCode(ToCodeFormat format)
        {
            // pass P to the root object so it knows we might want parentheses
            string rootCrunched = Root.ToCode();

            // these tests are for items that DON'T need parens, and then we NOT the results.
            // non-numeric constant wrappers don't need parens (boolean, string, null).
            // numeric constant wrappers need parens IF there is no decimal point.
            // function expressions will take care of their own parens.
            bool needParen = !(
              (Root is Lookup)
              || (Root is Member)
              || (Root is CallNode)
              || (Root is ThisLiteral)
              || (Root is ArrayLiteral)
              || (Root is ObjectLiteral)
              || (Root is RegExpLiteral)
              || (Root is FunctionObject)
              || (Root is ConstantWrapper && !((ConstantWrapper)Root).IsNumericLiteral)
              || (Root is ConstantWrapper && ((ConstantWrapper)Root).IsNumericLiteral && rootCrunched.Contains("."))
              );

            // if the root is a constructor with no arguments, we'll need to wrap it in parens so the
            // member-dot comes out with the right precedence.
            // (don't bother checking if we already are already going to use parens)
            if (!needParen)
            {
                CallNode callNode = Root as CallNode;
                if (callNode != null && callNode.IsConstructor && (callNode.Arguments == null || callNode.Arguments.Count == 0))
                {
                    needParen = true;
                }
            }

            StringBuilder sb = new StringBuilder();
            if (needParen)
            {
                sb.Append('(');
                sb.Append(rootCrunched);
                sb.Append(')');
            }
            else
            {
                sb.Append(rootCrunched);
            }
            sb.Append('.');
            sb.Append(Name);
            return sb.ToString();
        }
Exemplo n.º 58
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("with(");
            sb.Append(m_withObject.ToCode());
            sb.Append(")");

            if (Body != null)
            {
                sb.Append(Body.ToCode());
            }

            return sb.ToString();
        }
Exemplo n.º 59
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            // we will only add a space if we KNOW we might need one
            bool needsSpace = false;

            // normal processing...
            if (m_isConstructor)
            {
                sb.Append("new");
                // the new operator might need to be followed by a space, depending
                // on what will actually follow
                needsSpace = true;
            }

            // list of items that DON'T need parens.
            // lookup, call or member don't need parens. All other items
            // are lower-precedence and therefore need to be wrapped in
            // parentheses to keep the right order.
            // function objects take care of their own parentheses.
            CallNode funcCall = m_func as CallNode;
            bool encloseInParens = !(
                 (m_func is Lookup)
              || (m_func is Member)
              || (funcCall != null)
              || (m_func is ThisLiteral)
              || (m_func is FunctionObject)
              );

            // because if the new-operator associates to the right and the ()-operator associates
            // to the left, we need to be careful that we don't change the precedence order when the
            // function of a new operator is itself a call. In that case, the call will have it's own
            // parameters (and therefore parentheses) that will need to be associated with the call
            // and NOT the new -- the call will need to be surrounded with parens to keep that association.
            if (m_isConstructor && funcCall != null && !funcCall.InBrackets)
            {
                encloseInParens = true;
            }

            // if the root is a constructor with no arguments, we'll need to wrap it in parens so the
            // member-dot comes out with the right precedence.
            // (don't bother checking if we already are already going to use parens)
            if (!encloseInParens && funcCall != null && funcCall.IsConstructor
                && (funcCall.Arguments == null || funcCall.Arguments.Count == 0))
            {
                encloseInParens = true;
            }

            if (encloseInParens)
            {
                // we're adding a parenthesis, so no -- we won't need to
                // add a space
                needsSpace = false;
                sb.Append('(');
            }

            string functionString = m_func.ToCode();
            // if we still think we might need a space, check the function we just
            // formatted. If it starts with an identifier part, then we need the space.
            if (needsSpace && JSScanner.StartsWithIdentifierPart(functionString))
            {
                sb.Append(' ');
            }
            sb.Append(functionString);

            if (encloseInParens)
            {
                sb.Append(')');
            }
            // if this isn't a constructor, or if it is and there are parameters,
            // then we want to output the parameters. But if this is a constructor with
            // no parameters, we can skip the whole empty-argument-parens thing altogether.
            if (!m_isConstructor || (m_args != null && m_args.Count > 0))
            {
                sb.Append((m_inBrackets ? '[' : '('));
                if (m_args != null)
                {
                    sb.Append(m_args.ToCode(ToCodeFormat.Commas));
                }
                sb.Append((m_inBrackets ? ']' : ')'));
            }

            return sb.ToString();
        }
Exemplo n.º 60
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        public override string ToCode(ToCodeFormat format)
        {
            StringBuilder sb = new StringBuilder();

            // passing a "T" format means nested try's don't actually nest -- they
            // just add the catch clauses to the end
            if (format != ToCodeFormat.NestedTry)
            {
                sb.Append("try");
                if (TryBlock == null)
                {
                    // empty body
                    sb.Append("{}");
                }
                else
                {
                    sb.Append(TryBlock.ToCode(ToCodeFormat.NestedTry));
                }
            }
            else
            {
                sb.Append(TryBlock.ToCode(ToCodeFormat.NestedTry));
            }

            // handle the catch clause (if any)
            // catch should always have braces around it
            string catchString = (
                CatchBlock == null
                ? string.Empty
                : CatchBlock.Count == 0
                    ? "{}"
                    : CatchBlock.ToCode(ToCodeFormat.AlwaysBraces)
                );
            if (catchString.Length > 0)
            {
                Parser.Settings.NewLine(sb);
                sb.Append("catch(");
                if (m_catchVariable != null)
                {
                    sb.Append(m_catchVariable.ToString());
                }
                else if (CatchVarName != null)
                {
                    sb.Append(CatchVarName);
                }
                sb.Append(')');
                sb.Append(catchString);
            }

            // handle the finally, if any
            // finally should always have braces around it
            string finallyString = (
              FinallyBlock == null
              ? string.Empty
              : FinallyBlock.ToCode(ToCodeFormat.AlwaysBraces)
              );
            if (finallyString.Length > 0)
            {
                Parser.Settings.NewLine(sb);
                sb.Append("finally");
                sb.Append(finallyString);
            }
            return sb.ToString();
        }