private static bool TryCreate(
ImmutableContextBase context,
ModuleLiteral env,
out QualifierValue qualifierValue,
LineInfo lineInfo,
ObjectLiteral objectLiteral)
{
Contract.Requires(context != null);
Contract.Requires(env != null);
Contract.Requires(objectLiteral != null);
qualifierValue = null;
if (objectLiteral.Count == 0)
{
qualifierValue = CreateEmpty(context.FrontEndContext.QualifierTable);
return(true);
}
Tuple <StringId, StringId>[] qualifierKvps = new Tuple <StringId, StringId> [objectLiteral.Count];
int i = 0;
foreach (var kvp in objectLiteral.Members)
{
if (!(kvp.Value.Value is string value))
{
var location = lineInfo.AsUniversalLocation(env, context);
var error = new ErrorContext(name: kvp.Key, objectCtx: objectLiteral).ToErrorString(context);
context.Logger.ReportQualifierValueMustEvaluateToString(context.LoggingContext, location.AsLoggingLocation(), error, context.GetStackTraceAsErrorMessage(location));
return(false);
}
qualifierKvps[i] = Tuple.Create(kvp.Key, context.FrontEndContext.StringTable.AddString(value));
++i;
}
QualifierId qualifierId = context.FrontEndContext.QualifierTable.CreateQualifier(qualifierKvps);
qualifierValue = new QualifierValue(objectLiteral, qualifierId);
return(true);
}
/// <summary>
/// Tries create a qualifier value given an object literal.
/// </summary>
public static bool TryCreate(
ImmutableContextBase context,
ModuleLiteral env,
object potentialLiteral,
out QualifierValue qualifierValue,
LineInfo lineInfo = default(LineInfo))
{
Contract.Requires(context != null);
Contract.Requires(env != null);
Contract.Requires(potentialLiteral != null);
qualifierValue = null;
if (potentialLiteral is ObjectLiteral0)
{
qualifierValue = CreateEmpty(context.FrontEndContext.QualifierTable);
return(true);
}
if (potentialLiteral is ObjectLiteralSlim || potentialLiteral is ObjectLiteralN)
{
return(TryCreate(context, env, out qualifierValue, lineInfo, (ObjectLiteral)potentialLiteral));
}
var location = lineInfo.AsUniversalLocation(env, context);
context.Logger.ReportQualifierMustEvaluateToObjectLiteral(context.LoggingContext, location.AsLoggingLocation(), context.GetStackTraceAsErrorMessage(location));
return(false);
}