public virtual Expression visit(FunctionLiteral literal)
{
write("function ");
if (literal.name != null)
{
literal.name.visitExpression(this);
}
write('(');
for (int i = 0; i < literal.parameters.Length; i++)
{
if (i > 0)
{
write(", ");
}
literal.parameters[i].visitExpression(this);
}
write(") {");
increaseIndent();
visitStatementArray(literal.statements);
decreaseIndent();
writeIndent();
write("}");
return(literal);
}
public static FunctionLiteral[] vectorToFunctionLiteralArray(ArrayList vector)
{
FunctionLiteral[] literalArray = new FunctionLiteral[vector.Count];
vector.CopyTo(literalArray);
return(literalArray);
}
public override Expression visit(FunctionLiteral literal)
{
Console.WriteLine(this + " visit #1 to " + literal);
new TraversalVisitor(new FooTraversal(this)).visit(literal);
Console.WriteLine(this + " visit #2 to " + literal);
return(literal);
}
public override Expression visit(FunctionLiteral literal)
{
ArrayList oldFunctionVector = functionVector;
ArrayList oldVariableVector = variableVector;
bool oldHasWithStatement = hasWithStatement;
bool oldHasArgumentsVariable = hasArgumentsVariable;
functionVector = new ArrayList();
variableVector = new ArrayList();
hasWithStatement = false;
hasArgumentsVariable = false;
hasFunctionLiteral = false;
Identifier[] parameters = literal.parameters;
for (int i = 0; i < parameters.Length; i++)
{
addVariable(parameters[i]);
}
literal = (FunctionLiteral)base.visit(literal);
literal.functions = CompilerUtil.vectorToStatementArray(functionVector);
literal.variables = CompilerUtil.vectorToIdentifierArray(variableVector);
// if this function literal:
// * contains a function literal
// * contains a 'with' statement
// * contains a reference to 'arguments'
//
// then we need to disable the "access locals by index" optimisation for
// this function literal.
literal.enableLocalsOptimization =
!(hasWithStatement | hasArgumentsVariable | hasFunctionLiteral);
functionVector = oldFunctionVector;
variableVector = oldVariableVector;
hasWithStatement = oldHasWithStatement;
hasArgumentsVariable = oldHasArgumentsVariable;
hasFunctionLiteral = true;
return(literal);
}
public virtual Expression visit(FunctionLiteral literal)
{
write("function literal");
return(literal);
}
public override Expression visit(FunctionLiteral literal)
{
return(literal.visitExpression(new FooVisitor()));
}