internal Preprocessor(IVccUnpreprocessedSourceDocument documentToProcess, IDictionary<string, string> preprocessorDefinedSymbols, List<IErrorMessage> errors)
{
this.documentToProcess = documentToProcess;
this.preprocessorDefinedSymbols = preprocessorDefinedSymbols;
this.errors = errors;
this.preprocessorInformation = new PreprocessorInformation(documentToProcess, errors);
this.buffer = new char[8192];
}
private int startOfCurrentLine; //^ invariant 0 <= startOfCurrentLine && startOfCurrentLine <= fragmentIndex;
#endregion Fields
#region Constructors
/// <summary>
/// Allocates a preprocessor instance that can be queried for a list of source locations that represent the output from the preprocessor. This output
/// omits preprocessor directives as well as any excluded sections. It also applies line directives by mapping some of the produced source locations
/// onto the documents mentioned in the line directives. In other words, the produced source locations will not necessarily come from the document
/// being preprocessed. Preprocessing happens lazily when the result of calling GetIncludedSections is enumerated.
/// </summary>
/// <param name="documentToProcess">The source document to preprocess.</param>
/// <param name="options">An object that specifies any preprocessor symbols that are defined as compiler options by the environment.</param>
internal Preprocessor(IVccUnpreprocessedSourceDocument documentToProcess, VccOptions options)
{
this.documentToProcess = documentToProcess;
List<IErrorMessage> errors = this.errors = new List<IErrorMessage>();
this.preprocessorInformation = new PreprocessorInformation(documentToProcess, errors);
Dictionary<string, string> preprocessorDefinedSymbols = new Dictionary<string,string>();
foreach (string ppOption in options.PreprocessorOptions) {
if (!ppOption.StartsWith("/D", StringComparison.Ordinal)) continue;
int eqIndex = ppOption.IndexOf('=');
if (eqIndex < 0) eqIndex = ppOption.Length;
string symName = ppOption.Substring(2, eqIndex-2);
preprocessorDefinedSymbols[symName] = eqIndex != ppOption.Length ? ppOption.Substring(eqIndex+1) : String.Empty;
}
preprocessorDefinedSymbols["true"] = "true";
preprocessorDefinedSymbols.Remove("false");
this.preprocessorDefinedSymbols = preprocessorDefinedSymbols;
this.buffer = new char[8192];
}
