//////////////////////////////////////////////////////////////////////////
private bool ReadInclude(String IncPath)
{
try
{
using (StreamReader sr = new StreamReader(IncPath))
{
ScriptTokenizer Tokenizer = new ScriptTokenizer(sr, ScanIncludes);
Tokenizer.Filename = IncPath;
Tokenizer.GetTokens();
//Tokens.RemoveAt(Tokens.Count - 1);
//Tokens.RemoveAt(Tokens.Count - 1);
foreach (ScriptToken Token in Tokenizer.Tokens)
{
Token.StartLine = CurrentLine;
Token.EndLine = CurrentLine;
Token.StartCol = 0;
Token.EndCol = 0;
Tokens.Add(Token);
}
}
return true;
}
catch
{
return false;
}
}
//////////////////////////////////////////////////////////////////////////
private bool Parse()
{
// cleanup
GlobalScope = new ScriptScope();
Scopes = new List<ScriptScope>();
Functions = new List<ScriptFunction>();
EventHandlers = new List<ScriptEventHandler>();
_Tokenizer = new ScriptTokenizer(Reader);
if (!_Tokenizer.GetTokens()) return false;
ScriptScope CurrentScope = GlobalScope;
bool ReadingBlock = false;
int BlockNest = 0;
List<ScriptToken>.Enumerator TokenEnum = _Tokenizer.Tokens.GetEnumerator();
while(TokenEnum.MoveNext())
{
ScriptToken Token = TokenEnum.Current;
if (Token.IsComment) continue;
// functions
if (Token.IsKeyword && (Token.Value == "function" || Token.Value == "method" || Token.Value == "external"))
{
ScriptScope Scope = ParseFunction(ref TokenEnum);
if(Scope != null)
{
if(ReadingBlock)
{
CurrentScope.EndLine = Token.StartLine;
CurrentScope.EndCol = Token.StartCol;
}
CurrentScope = Scope;
Scopes.Add(Scope);
ReadingBlock = true;
BlockNest = 0;
}
}
// event handles
else if(Token.IsKeyword && Token.Value=="on")
{
ScriptScope Scope = ParseEventHandler(ref TokenEnum);
if (Scope != null)
{
if (ReadingBlock)
{
CurrentScope.EndLine = Token.StartLine;
CurrentScope.EndCol = Token.StartCol;
}
CurrentScope = Scope;
Scopes.Add(Scope);
ReadingBlock = true;
BlockNest = 0;
}
}
// variables
else if(Token.IsKeyword && (Token.Value=="var" || Token.Value=="global" || Token.Value=="const"))
{
ScriptVariable Var = ParseVariable(ref TokenEnum, false);
if(Var!=null && Var.Name!="")
{
if(ReadingBlock && BlockNest>0) CurrentScope.Variables.Add(Var);
else GlobalScope.Variables.Add(Var);
}
}
// curly braces
else if(Token.IsOperator)
{
if (Token.Value == "{" && ReadingBlock) BlockNest++;
else if(Token.Value=="}" && ReadingBlock)
{
BlockNest--;
if (BlockNest <= 0)
{
ReadingBlock = false;
CurrentScope.EndLine = Token.EndLine;
CurrentScope.EndCol = Token.EndCol;
}
}
else if(Token.Value==";" && ReadingBlock && BlockNest==0)
{
ReadingBlock = false;
CurrentScope.EndLine = Token.EndLine;
CurrentScope.EndCol = Token.EndCol;
}
}
}
return true;
}
//////////////////////////////////////////////////////////////////////////
private void ScanScript(string ScriptFile)
{
try
{
FileStream fs = new FileStream(ScriptFile, FileMode.Open, FileAccess.Read, FileShare.Read);
ScriptTokenizer Tokenizer = new ScriptTokenizer(fs, false);
Tokenizer.GetTokens();
for (int i = 0; i < Tokenizer.Tokens.Count; i++)
{
ScriptToken PrevToken = i > 0 ? Tokenizer.Tokens[i - 1] : null;
ScriptToken Token = Tokenizer.Tokens[i];
// some quick checks
if (!Token.IsString) continue;
if (PrevToken != null)
{
if ((PrevToken.IsKeyword && PrevToken.Value == "on") ||
(PrevToken.IsKeyword && PrevToken.Value == "extern") ||
(PrevToken.IsIdentifier && PrevToken.Value == "#include"))
{
continue;
}
}
string Str = Token.Value.Substring(1, Token.Value.Length - 2);
if (Str == string.Empty) continue;
Strings.Add(new StringLocation(Str, ScriptFile, Token.StartLine, StringLocation.StringType.ScriptFile));
}
}
catch
{
AddLog(LogSeverity.Error, "Error parsing script '" + ScriptFile + "'");
}
}
//////////////////////////////////////////////////////////////////////////
private bool Parse()
{
// cleanup
GlobalScope = new ScriptScope();
Scopes = new List <ScriptScope>();
Functions = new List <ScriptFunction>();
EventHandlers = new List <ScriptEventHandler>();
_Tokenizer = new ScriptTokenizer(Reader);
if (!_Tokenizer.GetTokens())
{
return(false);
}
ScriptScope CurrentScope = GlobalScope;
bool ReadingBlock = false;
int BlockNest = 0;
List <ScriptToken> .Enumerator TokenEnum = _Tokenizer.Tokens.GetEnumerator();
while (TokenEnum.MoveNext())
{
ScriptToken Token = TokenEnum.Current;
if (Token.IsComment)
{
continue;
}
// functions
if (Token.IsKeyword && (Token.Value == "function" || Token.Value == "method" || Token.Value == "external"))
{
ScriptScope Scope = ParseFunction(ref TokenEnum);
if (Scope != null)
{
if (ReadingBlock)
{
CurrentScope.EndLine = Token.StartLine;
CurrentScope.EndCol = Token.StartCol;
}
CurrentScope = Scope;
Scopes.Add(Scope);
ReadingBlock = true;
BlockNest = 0;
}
}
// event handles
else if (Token.IsKeyword && Token.Value == "on")
{
ScriptScope Scope = ParseEventHandler(ref TokenEnum);
if (Scope != null)
{
if (ReadingBlock)
{
CurrentScope.EndLine = Token.StartLine;
CurrentScope.EndCol = Token.StartCol;
}
CurrentScope = Scope;
Scopes.Add(Scope);
ReadingBlock = true;
BlockNest = 0;
}
}
// variables
else if (Token.IsKeyword && (Token.Value == "var" || Token.Value == "global" || Token.Value == "const"))
{
ScriptVariable Var = ParseVariable(ref TokenEnum, false);
if (Var != null && Var.Name != "")
{
if (ReadingBlock && BlockNest > 0)
{
CurrentScope.Variables.Add(Var);
}
else
{
GlobalScope.Variables.Add(Var);
}
}
}
// curly braces
else if (Token.IsOperator)
{
if (Token.Value == "{" && ReadingBlock)
{
BlockNest++;
}
else if (Token.Value == "}" && ReadingBlock)
{
BlockNest--;
if (BlockNest <= 0)
{
ReadingBlock = false;
CurrentScope.EndLine = Token.EndLine;
CurrentScope.EndCol = Token.EndCol;
}
}
else if (Token.Value == ";" && ReadingBlock && BlockNest == 0)
{
ReadingBlock = false;
CurrentScope.EndLine = Token.EndLine;
CurrentScope.EndCol = Token.EndCol;
}
}
}
return(true);
}
