/// <summary>
/// Returns a list of tokens for a given string
/// </summary>
public List <Token> TokenizeString(string data)
{
var lexer = new ProLexer(data);
var outList = lexer.GetTokensList.ToList();
outList.RemoveAt(outList.Count - 1);
return(outList);
}
/// <summary>
/// Parses a text into a list of parsedItems
/// </summary>
public Parser(ProLexer proLexer, string filePathBeingParsed, ParsedScopeItem defaultScope, bool matchKnownWords)
{
// process inputs
_filePathBeingParsed = filePathBeingParsed;
_matchKnownWords = matchKnownWords && KnownStaticItems != null;
// the first of this list represents the file currently being parsed
_parsedIncludes.Add(
new ParsedIncludeFile(
"root",
new TokenEos(null, 0, 0, 0, 0),
// the preprocessed variable {0} equals to the filename...
new Dictionary <string, List <Token> >(StringComparer.CurrentCultureIgnoreCase)
{
{ "0", new List <Token> {
new TokenWord(Path.GetFileName(FilePathBeingParsed), 0, 0, 0, 0)
} }
},
_filePathBeingParsed,
null)
);
// init context
_context = new ParseContext {
BlockStack = new Stack <BlockInfo>(),
PreProcIfStack = new Stack <ParsedPreProcBlock>(),
UibBlockStack = new Stack <ParsedPreProcBlock>()
};
// create root item
if (defaultScope == null)
{
var rootToken = new TokenEos(null, 0, 0, 0, 0);
rootToken.OwnerNumber = 0;
_rootScope = new ParsedFile("Root", rootToken);
AddParsedItem(_rootScope, rootToken.OwnerNumber);
}
else
{
_rootScope = defaultScope;
}
_context.Scope = _rootScope;
// Analyze
_tokenList = proLexer.GetTokensList;
_tokenCount = _tokenList.Count;
ReplacePreProcVariablesAhead(1); // replaces a preproc var {&x} at token position 0
ReplacePreProcVariablesAhead(2); // replaces a preproc var {&x} at token position 1
while (MoveNext())
{
try {
Analyze();
} catch (Exception e) {
ErrorHandler.LogError(e, "Error while parsing the following file : " + filePathBeingParsed);
}
}
// add missing values to the line dictionary
var current = new LineInfo(GetCurrentDepth(), _rootScope);
for (int i = proLexer.MaxLine; i >= 0; i--)
{
if (_lineInfo.ContainsKey(i))
{
current = _lineInfo[i];
}
else
{
_lineInfo.Add(i, current);
}
}
// check that we match an &ENDIF for each &IF
if (_context.PreProcIfStack.Count > 0)
{
_parserErrors.Add(new ParserError(ParserErrorType.MismatchNumberOfIfEndIf, PeekAt(0), _context.PreProcIfStack.Count, _parsedIncludes));
}
// dispose
_context.BlockStack.Clear();
_context.PreProcIfStack.Clear();
_context.UibBlockStack.Clear();
_context = null;
_tokenList = null;
// if we are parsing an include file that was saved for later use, update it
if (SavedLexerInclude.ContainsKey(filePathBeingParsed))
{
SavedLexerInclude.Remove(filePathBeingParsed);
}
}
