public override bool Build(ref CodeNode _this, int expressionDepth, Dictionary <string, VariableDescriptor> variables, CodeContext codeContext, InternalCompilerMessageCallback message, FunctionInfo stats, Options opts)
{
expressionDepth = Math.Max(1, expressionDepth);
Parser.Build(ref body, expressionDepth, variables, codeContext | CodeContext.InLoop, message, stats, opts);
Parser.Build(ref condition, 2, variables, codeContext | CodeContext.InLoop | CodeContext.InExpression, message, stats, opts);
try
{
if (allowRemove &&
(opts & Options.SuppressUselessExpressionsElimination) == 0 &&
(condition is Constant || (condition as Expression).ContextIndependent))
{
if ((bool)condition.Evaluate(null))
{
_this = new InfinityLoop(body, labels);
}
else if (labels.Length == 0)
{
_this = body;
}
condition.Eliminated = true;
}
}
#if (PORTABLE)
catch
{
public override bool Build(ref CodeNode _this, int expressionDepth, Dictionary <string, VariableDescriptor> variables, CodeContext codeContext, InternalCompilerMessageCallback message, FunctionInfo stats, Options opts)
{
expressionDepth = Math.Max(1, expressionDepth);
Parser.Build(ref body, expressionDepth, variables, codeContext | CodeContext.Conditional | CodeContext.InLoop, message, stats, opts);
Parser.Build(ref condition, 2, variables, codeContext | CodeContext.InLoop | CodeContext.InExpression, message, stats, opts);
if ((opts & Options.SuppressUselessExpressionsElimination) == 0 && condition is ConvertToBoolean)
{
message?.Invoke(MessageLevel.Warning, condition.Position, 2, "Useless conversion. Remove double negation in condition");
condition = (condition as Expression)._left;
}
try
{
if (allowRemove && (condition is Constant || (condition is Expression && (condition as Expression).ContextIndependent)))
{
Eliminated = true;
if ((bool)condition.Evaluate(null))
{
if ((opts & Options.SuppressUselessExpressionsElimination) == 0 && body != null)
{
_this = new InfinityLoop(body, labels);
}
}
else if ((opts & Options.SuppressUselessStatementsElimination) == 0)
{
_this = null;
if (body != null)
{
body.Eliminated = true;
}
}
condition.Eliminated = true;
}
else if ((opts & Options.SuppressUselessExpressionsElimination) == 0 &&
((condition is ObjectDefinition && (condition as ObjectDefinition).FieldNames.Length == 0) ||
(condition is ArrayDefinition && (condition as ArrayDefinition).Elements.Length == 0)))
{
_this = new InfinityLoop(body, labels);
condition.Eliminated = true;
}
}
#if (PORTABLE)
catch
{