public static BuildXLContext CreateInstanceForTestingWithCancellationToken(BuildXLContext context, CancellationToken cancellationToken)
{
return(new BuildXLTestContext(context.StringTable, context.PathTable, context.SymbolTable, context.QualifierTable, context.TokenTextTable, cancellationToken)
{
TestHooks = context.TestHooks
});
}
/// <summary>
/// Helper to create instances of tokens.
/// </summary>
public static Token Create(BuildXLContext context, AbsolutePath path, string text = "", int line = 0, int column = 0)
{
Contract.RequiresNotNull(context);
Contract.Requires(path.IsValid);
Contract.RequiresNotNull(text);
return(new Token(path, line, column, TokenText.Create(context.TokenTextTable, text)));
}
/// <summary>
/// Helper to create instances of tokens from xml reader.
/// </summary>
public static Token Create(BuildXLContext context, XmlReader reader, AbsolutePath path)
{
Contract.RequiresNotNull(context);
Contract.RequiresNotNull(reader);
var xmlInfo = (IXmlLineInfo)reader;
return(new Token(path, xmlInfo.LineNumber, xmlInfo.LinePosition, TokenText.Create(context.TokenTextTable, reader.Value)));
}
/// <summary>
/// Parses a dotted identifier. All error logging is the responsibility of the caller
/// </summary>
/// <param name="token">The token to parse</param>
/// <param name="context">Context with tables.</param>
/// <param name="identifier">The parsed identifier if successful, null if not.</param>
public static ParseResult TryParse(
TokenData token,
BuildXLContext context,
out DottedIdentifier identifier)
{
return(TryParse(
token.Expand(context.TokenTextTable),
context,
out identifier));
}
/// <summary>
/// protected constructor
/// </summary>
protected BuildXLContext(BuildXLContext context)
: this(
context.CancellationToken,
context.StringTable,
context.PathTable,
context.SymbolTable,
context.QualifierTable,
context.TokenTextTable)
{
Contract.Requires(context != null);
}
/// <summary>
/// Helper to create instances of tokens.
/// </summary>
public static Token Create(BuildXLContext context, Type type, string text = "", int line = 0, int column = 0)
{
Contract.RequiresNotNull(context);
Contract.RequiresNotNull(type);
Contract.RequiresNotNull(text);
return(new Token(
AbsolutePath.Create(context.PathTable, AssemblyHelper.GetAssemblyLocation(type.GetTypeInfo().Assembly)),
line,
column,
TokenText.Create(context.TokenTextTable, text)));
}
public static ParseResult TryParseIdentifier(
TokenData token,
BuildXLContext context,
ref int position,
out string identifier)
{
StringSegment identifierSegment;
var parseResult = TryParseIdentifier(
token.Expand(context.TokenTextTable),
context,
ref position,
out identifierSegment);
identifier = parseResult.Status == ParseStatus.Success ? identifierSegment.ToString() : null;
return(parseResult);
}