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());
}
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());
}
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());
}
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());
}
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());
}
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());
}
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());
}
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();
}
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());
}
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());
}
public override string ToCode(ToCodeFormat format)
{
return("@elif(" + m_condition.ToCode() + ")");
}
public override string ToCode(ToCodeFormat format)
{
if (format == ToCodeFormat.NoBraces && m_list.Count == 0)
{
return(string.Empty);
}
StringBuilder sb = new StringBuilder();
bool closeBrace = false;
bool unindent = false;
// if the format is N, then we never enclose in braces.
// if the format is B or T, then we always enclose in braces.
// anything else, then we enclose in braces if there's more than
// one enclosing line
if (format != ToCodeFormat.NoBraces && Parent != null)
{
if (format == ToCodeFormat.AlwaysBraces ||
format == ToCodeFormat.NestedTry ||
m_list.Count > 1)
{
// opening brace on a new line
Parser.Settings.NewLine(sb);
// up the indent level for the content within
Parser.Settings.Indent();
sb.Append("{");
closeBrace = true;
}
else if (m_list.Count == 1 && format != ToCodeFormat.ElseIf)
{
// we're pretty-printing a single-line block.
// we still won't enclose in brackets, but we need to indent it
Parser.Settings.Indent();
unindent = true;
}
}
bool requireSeparator = true;
bool endsWithEmptyBlock = false;
bool mightNeedSpace = false;
for (int ndx = 0; ndx < m_list.Count; ++ndx)
{
AstNode item = m_list[ndx];
if (item != null)
{
// see if we need to add a semi-colon
if (ndx > 0 && requireSeparator)
{
sb.Append(';');
if (Parser.Settings.OutputMode == OutputMode.SingleLine && item is ImportantComment)
{
// if this item is an important comment and we're in single-line mode,
// we'll start on a new line
sb.Append('\n');
}
// we no longer require a separator next time around
requireSeparator = false;
}
string itemText = item.ToCode();
if (itemText.Length > 0)
{
// if this is an else-if construct, we don't want to break to a new line.
// but all other formats put the next statement on a newline
if (format != ToCodeFormat.ElseIf)
{
Parser.Settings.NewLine(sb);
}
if (mightNeedSpace && JSScanner.IsValidIdentifierPart(itemText[0]))
{
sb.Append(' ');
}
sb.Append(itemText);
requireSeparator = (item.RequiresSeparator && !itemText.EndsWith(";", StringComparison.Ordinal));
endsWithEmptyBlock = item.EndsWithEmptyBlock;
mightNeedSpace =
(item is ConditionalCompilationStatement) &&
JSScanner.IsValidIdentifierPart(itemText[itemText.Length - 1]);
}
}
}
if (endsWithEmptyBlock)
{
sb.Append(';');
}
if (closeBrace)
{
// unindent now that the block is done
Parser.Settings.Unindent();
Parser.Settings.NewLine(sb);
sb.Append("}");
}
else if (unindent)
{
Parser.Settings.Unindent();
}
return(sb.ToString());
}
public override string ToCode(ToCodeFormat format)
{
return("eval(" + m_operand.ToCode() + ")");
}
public override string ToCode(ToCodeFormat format)
{
StringBuilder sb = new StringBuilder();
bool parens = NeedsParens(m_condition, JSToken.ConditionalIf);
if (parens)
{
sb.Append('(');
}
sb.Append(m_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(m_trueExpression, JSToken.Assign);
if (parens)
{
sb.Append('(');
}
sb.Append(m_trueExpression.ToCode());
if (parens)
{
sb.Append(')');
}
if (codeSettings.OutputMode == OutputMode.MultipleLines && codeSettings.IndentSize > 0)
{
sb.Append(" : ");
}
else
{
sb.Append(':');
}
parens = NeedsParens(m_falseExpression, JSToken.Assign);
if (parens)
{
sb.Append('(');
}
sb.Append(m_falseExpression.ToCode());
if (parens)
{
sb.Append(')');
}
return(sb.ToString());
}
