private ScriptDefinition CopyDefine(ScriptDefinition define)
{
ScriptDefinition newDefine = new Text.ScriptDefinition();
newDefine.Name = define.Name;
newDefine.Flags = define.Flags;
newDefine.BuiltIn = define.BuiltIn;
List <idToken> tokens = new List <idToken>();
List <idToken> parameters = new List <idToken>();
// copy the define tokens
newDefine.Tokens = new idToken[define.Tokens.Length];
foreach (idToken token in define.Tokens)
{
tokens.Add(new idToken(token));
}
// copy the define parameters
foreach (idToken token in define.Parameters)
{
parameters.Add(new idToken(token));
}
newDefine.Tokens = tokens.ToArray();
newDefine.Parameters = parameters.ToArray();
return(newDefine);
}
private void AddGlobalDefinesToSource()
{
foreach (KeyValuePair <string, ScriptDefinition> kvp in _globalDefines)
{
ScriptDefinition newDefine = CopyDefine(kvp.Value);
AddDefineToHash(newDefine, _defineDict);
}
}
/*private bool ExpandDefineIntoSource(idToken token, ScriptDefinition define)
* {
*
* idToken *firsttoken, *lasttoken;
*
* if ( !idParser::ExpandDefine( deftoken, define, &firsttoken, &lasttoken ) ) {
* return false;
* }
* // if the define is not empty
* if ( firsttoken && lasttoken ) {
* firsttoken->linesCrossed += deftoken->linesCrossed;
* lasttoken->next = idParser::tokens;
* idParser::tokens = firsttoken;
* }
* return true;
* }*/
private int FindDefineParameter(ScriptDefinition define, string name)
{
int i = 0;
foreach (idToken token in define.Parameters)
{
if (define.ToString() == name)
{
return(i);
}
i++;
}
return(-1);
}
private bool Directive_Define()
{
idToken token, t;
ScriptDefinition define;
if ((token = ReadLine()) == null)
{
Error("#define without name");
return(false);
}
else if (token.Type != TokenType.Name)
{
UnreadSourceToken(token);
Error("expected name after #define, found '{0}'", token.ToString());
return(false);
}
// check if the define already exists
if (_defineDict.TryGetValue(token.ToString(), out define) == true)
{
if ((define.Flags & DefineFlags.Fixed) == DefineFlags.Fixed)
{
Error("can't redefine '{0}'", token.ToString());
return(false);
}
Warning("redefinition of '{0}'", token.ToString());
// unread the define name before executing the #undef directive
UnreadSourceToken(token);
if (Directive_UnDefine() == false)
{
return(false);
}
// if the define was not removed (define->flags & DEFINE_FIXED)
define = _defineDict[token.ToString()];
}
// allocate define
define = new ScriptDefinition();
define.Name = token.ToString();
define.Parameters = new idToken[] { };
define.Tokens = new idToken[] { };
// add the define to the source
AddDefineToHash(define, _defineDict);
// if nothing is defined, just return
if ((token = ReadLine()) == null)
{
return(true);
}
// if it is a define with parameters
if ((token.WhiteSpaceBeforeToken == 0) && (token.ToString() == "("))
{
List <idToken> parameters = new List <idToken>();
// read the define parameters
if (CheckTokenString(")") == false)
{
while (true)
{
if ((token = ReadLine()) == null)
{
Error("expected define parameter");
return(false);
}
// if it isn't a name
else if (token.Type != TokenType.Name)
{
Error("invalid define parameter");
return(false);
}
else if (FindDefineParameter(define, token.ToString()) >= 0)
{
Error("two of the same define parameters");
return(false);
}
// add the define parm
t = new idToken(token);
t.ClearTokenWhiteSpace();
parameters.Add(t);
// read next token
if ((token = ReadLine()) == null)
{
Error("define parameters not terminated");
return(false);
}
if (token.ToString() == ")")
{
break;
}
// then it must be a comma
if (token.ToString() != ",")
{
Error("define not terminated");
return(false);
}
}
}
define.Parameters = parameters.ToArray();
if ((token = ReadLine()) == null)
{
return(true);
}
}
List <idToken> tokens = new List <idToken>();
do
{
t = new idToken(token);
if ((t.Type == TokenType.Name) && (t.ToString() == define.Name))
{
t.Flags |= TokenFlags.RecursiveDefine;
Warning("recursive define (removed recursion)");
}
t.ClearTokenWhiteSpace();
tokens.Add(t);
}while((token = ReadLine()) != null);
define.Tokens = tokens.ToArray();
if (define.Tokens.Length > 0)
{
// check for merge operators at the beginning or end
if ((define.Tokens[0].ToString() == "##") || (define.Tokens[define.Tokens.Length - 1].ToString() == "##"))
{
Error("define with misplaced ##");
return(false);
}
}
return(true);
}
private void AddDefineToHash(ScriptDefinition define, Dictionary <string, ScriptDefinition> dict)
{
dict.Add(define.Name, define);
}
private bool Directive_Define()
{
idToken token, t;
ScriptDefinition define;
if((token = ReadLine()) == null)
{
Error("#define without name");
return false;
}
else if(token.Type != TokenType.Name)
{
UnreadSourceToken(token);
Error("expected name after #define, found '{0}'", token.ToString());
return false;
}
// check if the define already exists
if(_defineDict.TryGetValue(token.ToString(), out define) == true)
{
if((define.Flags & DefineFlags.Fixed) == DefineFlags.Fixed)
{
Error("can't redefine '{0}'", token.ToString());
return false;
}
Warning("redefinition of '{0}'", token.ToString());
// unread the define name before executing the #undef directive
UnreadSourceToken(token);
if(Directive_UnDefine() == false)
{
return false;
}
// if the define was not removed (define->flags & DEFINE_FIXED)
define = _defineDict[token.ToString()];
}
// allocate define
define = new ScriptDefinition();
define.Name = token.ToString();
define.Parameters = new idToken[] { };
define.Tokens = new idToken[] { };
// add the define to the source
AddDefineToHash(define, _defineDict);
// if nothing is defined, just return
if((token = ReadLine()) == null)
{
return true;
}
// if it is a define with parameters
if((token.WhiteSpaceBeforeToken == 0) && (token.ToString() == "("))
{
List<idToken> parameters = new List<idToken>();
// read the define parameters
if(CheckTokenString(")") == false)
{
while(true)
{
if((token = ReadLine()) == null)
{
Error("expected define parameter");
return false;
}
// if it isn't a name
else if(token.Type != TokenType.Name)
{
Error("invalid define parameter");
return false;
}
else if(FindDefineParameter(define, token.ToString()) >= 0)
{
Error("two of the same define parameters");
return false;
}
// add the define parm
t = new idToken(token);
t.ClearTokenWhiteSpace();
parameters.Add(t);
// read next token
if((token = ReadLine()) == null)
{
Error("define parameters not terminated");
return false;
}
if(token.ToString() == ")")
{
break;
}
// then it must be a comma
if(token.ToString() != ",")
{
Error("define not terminated");
return false;
}
}
}
define.Parameters = parameters.ToArray();
if((token = ReadLine()) == null)
{
return true;
}
}
List<idToken> tokens = new List<idToken>();
do
{
t = new idToken(token);
if((t.Type == TokenType.Name) && (t.ToString() == define.Name))
{
t.Flags |= TokenFlags.RecursiveDefine;
Warning("recursive define (removed recursion)");
}
t.ClearTokenWhiteSpace();
tokens.Add(t);
}
while((token = ReadLine()) != null);
define.Tokens = tokens.ToArray();
if(define.Tokens.Length > 0)
{
// check for merge operators at the beginning or end
if((define.Tokens[0].ToString() == "##") || (define.Tokens[define.Tokens.Length - 1].ToString() == "##"))
{
Error("define with misplaced ##");
return false;
}
}
return true;
}
private ScriptDefinition CopyDefine(ScriptDefinition define)
{
ScriptDefinition newDefine = new Text.ScriptDefinition();
newDefine.Name = define.Name;
newDefine.Flags = define.Flags;
newDefine.BuiltIn = define.BuiltIn;
List<idToken> tokens = new List<idToken>();
List<idToken> parameters = new List<idToken>();
// copy the define tokens
newDefine.Tokens = new idToken[define.Tokens.Length];
foreach(idToken token in define.Tokens)
{
tokens.Add(new idToken(token));
}
// copy the define parameters
foreach(idToken token in define.Parameters)
{
parameters.Add(new idToken(token));
}
newDefine.Tokens = tokens.ToArray();
newDefine.Parameters = parameters.ToArray();
return newDefine;
}
private void AddDefineToHash(ScriptDefinition define, Dictionary<string, ScriptDefinition> dict)
{
dict.Add(define.Name, define);
}
/*private bool ExpandDefineIntoSource(idToken token, ScriptDefinition define)
{
idToken *firsttoken, *lasttoken;
if ( !idParser::ExpandDefine( deftoken, define, &firsttoken, &lasttoken ) ) {
return false;
}
// if the define is not empty
if ( firsttoken && lasttoken ) {
firsttoken->linesCrossed += deftoken->linesCrossed;
lasttoken->next = idParser::tokens;
idParser::tokens = firsttoken;
}
return true;
}*/
private int FindDefineParameter(ScriptDefinition define, string name)
{
int i = 0;
foreach(idToken token in define.Parameters)
{
if(define.ToString() == name)
{
return i;
}
i++;
}
return -1;
}
