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https://github.com/ZDoom/gzdoom.git
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Export FScanner parser to ZScript as ScriptScanner
This commit is contained in:
Cacodemon345
Christoph Oelckers
parent
fd9b762106
commit
a368588db6
4 changed files with 428 additions and 4 deletions
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@ -260,6 +260,7 @@ void FScanner::PrepareScript ()
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StateOptions = false;
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StringBuffer[0] = '\0';
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BigStringBuffer = "";
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ParseError = false;
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}
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//==========================================================================
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@ -1089,13 +1090,14 @@ void FScanner::ScriptError (const char *message, ...)
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va_end (arglist);
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}
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ParseError = true;
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if (NoFatalErrors)
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{
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Printf(TEXTCOLOR_RED "Script error, \"%s\"" TEXTCOLOR_RED " line %d:\n" TEXTCOLOR_RED "%s\n", ScriptName.GetChars(),
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Printf(TEXTCOLOR_RED "%sScript error, \"%s\"" TEXTCOLOR_RED " line %d:\n" TEXTCOLOR_RED "%s\n", PrependMessage.GetChars(), ScriptName.GetChars(),
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AlreadyGot ? AlreadyGotLine : Line, composed.GetChars());
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return;
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}
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I_Error ("Script error, \"%s\" line %d:\n%s\n", ScriptName.GetChars(),
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I_Error ("%sScript error, \"%s\" line %d:\n%s\n", PrependMessage.GetChars(), ScriptName.GetChars(),
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AlreadyGot? AlreadyGotLine : Line, composed.GetChars());
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}
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@ -1121,7 +1123,8 @@ void FScanner::ScriptMessage (const char *message, ...)
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va_end (arglist);
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}
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Printf (TEXTCOLOR_RED "Script error, \"%s\"" TEXTCOLOR_RED " line %d:\n" TEXTCOLOR_RED "%s\n", ScriptName.GetChars(),
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ParseError = true;
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Printf (TEXTCOLOR_RED "%sScript error, \"%s\"" TEXTCOLOR_RED " line %d:\n" TEXTCOLOR_RED "%s\n", PrependMessage.GetChars(), ScriptName.GetChars(),
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AlreadyGot? AlreadyGotLine : Line, composed.GetChars());
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}
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@ -1383,4 +1386,3 @@ int ParseHex(const char* hex, FScriptPosition* sc)
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return num;
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}
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@ -192,6 +192,7 @@ public:
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void ScriptError(const char *message, ...) GCCPRINTF(2,3);
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void ScriptMessage(const char *message, ...) GCCPRINTF(2,3);
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void SetPrependMessage(const FString& message) { PrependMessage = message; }
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bool isText();
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@ -238,6 +239,7 @@ protected:
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bool StateOptions;
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bool Escape;
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VersionInfo ParseVersion = { 0, 0, 0 }; // no ZScript extensions by default
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FString PrependMessage = "";
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bool ScanValue(bool allowfloat, bool evaluate);
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@ -1407,3 +1407,361 @@ DEFINE_ACTION_FUNCTION_NATIVE(_Translation, MakeID, MakeTransID)
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ACTION_RETURN_INT(MakeTransID(g, t));
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}
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// DObject-based wrapper around FScanner, for ZScript.
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class DScriptScanner : public DObject
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{
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DECLARE_CLASS(DScriptScanner, DObject)
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public:
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FScanner wrapped;
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};
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IMPLEMENT_CLASS(DScriptScanner, false, false);
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static void OpenLumpNum(DScriptScanner* self, int lump) { return self->wrapped.OpenLumpNum(lump); }
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static void OpenString(DScriptScanner* self, const FString* name, FString* script) { return self->wrapped.OpenString(name->GetChars(), *script); }
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static void SavePos(DScriptScanner* self, FScanner::SavedPos *pos) { *pos = self->wrapped.SavePos(); }
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static void RestorePos(DScriptScanner* self, const FScanner::SavedPos* pos) { return self->wrapped.RestorePos(*pos); }
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static void GetStringContents(DScriptScanner* self, FString* str) { *str = self->wrapped.String; }
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static void UnGet(DScriptScanner* self) { return self->wrapped.UnGet(); }
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static int isText(DScriptScanner* self) { return self->wrapped.isText(); }
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static int GetMessageLine(DScriptScanner* self) { return self->wrapped.GetMessageLine(); }
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static void Close(DScriptScanner* self) { return self->wrapped.Close(); }
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static void SetCMode(DScriptScanner* self, int cmode) { return self->wrapped.SetCMode(cmode); }
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static void SetNoOctals(DScriptScanner* self, int cmode) { return self->wrapped.SetNoOctals(cmode); }
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static void SetEscape(DScriptScanner* self, int esc) { return self->wrapped.SetNoOctals(esc); }
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static void SetNoFatalErrors(DScriptScanner* self, int cmode) { return self->wrapped.SetNoFatalErrors(cmode); }
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static void AddSymbolUint(DScriptScanner* self, const FString* name, uint32_t value) { return self->wrapped.AddSymbol(name->GetChars(), value); }
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static void AddSymbolInt(DScriptScanner* self, const FString* name, int32_t value) { return self->wrapped.AddSymbol(name->GetChars(), value); }
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static void AddSymbolDouble(DScriptScanner* self, const FString* name, double value) { return self->wrapped.AddSymbol(name->GetChars(), value); }
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static int GetString(DScriptScanner* self) { return self->wrapped.GetString(); }
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static int GetNumber(DScriptScanner* self, int evaluate) { return self->wrapped.GetNumber(evaluate); }
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static int GetFloat(DScriptScanner* self, int evaluate) { return self->wrapped.GetFloat(evaluate); }
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static int CheckValue(DScriptScanner* self, int allowfloat, int evaluate) { return self->wrapped.CheckValue(allowfloat, evaluate); }
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static int CheckNumber(DScriptScanner* self, int evaluate) { return self->wrapped.CheckNumber(evaluate); }
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static int CheckBoolToken(DScriptScanner* self) { return self->wrapped.CheckBoolToken(); }
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static int CheckString(DScriptScanner* self, const FString* name) { return self->wrapped.CheckString(name->GetChars()); }
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static int CheckFloat(DScriptScanner* self, int evaluate) { return self->wrapped.CheckFloat(evaluate); }
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static void SetPrependMessage(DScriptScanner* self, const FString* message) { return self->wrapped.SetPrependMessage(*message); }
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static void SkipToEndOfBlock(DScriptScanner* self) { return self->wrapped.SkipToEndOfBlock(); }
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static int StartBraces(DScriptScanner* self, FScanner::SavedPos* braceend) { return self->wrapped.StartBraces(braceend); }
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static int FoundEndBrace(DScriptScanner* self, FScanner::SavedPos* braceend) { return self->wrapped.FoundEndBrace(*braceend); }
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static void MustGetValue(DScriptScanner* self, int allowfloat, int evaluate) { return self->wrapped.MustGetValue(allowfloat, evaluate); }
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static void MustGetFloat(DScriptScanner* self, int evaluate) { return self->wrapped.MustGetFloat(evaluate); }
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static void MustGetNumber(DScriptScanner* self, int evaluate) { return self->wrapped.MustGetNumber(evaluate); }
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static void MustGetString(DScriptScanner* self) { return self->wrapped.MustGetString(); }
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static void MustGetStringName(DScriptScanner* self, const FString* name) { return self->wrapped.MustGetStringName(name->GetChars()); }
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static void MustGetBoolToken(DScriptScanner* self) { return self->wrapped.MustGetBoolToken(); }
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, OpenLumpNum, OpenLumpNum)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_INT(lump);
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OpenLumpNum(self, lump);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, OpenString, OpenString)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_STRING(name);
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PARAM_STRING_VAL(script);
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OpenString(self, &name, &script);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, SavePos, SavePos)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_POINTER(pos, FScanner::SavedPos);
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SavePos(self, pos);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, RestorePos, RestorePos)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_POINTER(pos, FScanner::SavedPos);
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RestorePos(self, pos);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, GetStringContents, GetStringContents)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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ACTION_RETURN_STRING(self->wrapped.String);
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, UnGet, UnGet)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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UnGet(self);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, isText, isText)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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ACTION_RETURN_BOOL(isText(self));
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, GetMessageLine, GetMessageLine)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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ACTION_RETURN_INT(GetMessageLine(self));
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, AddSymbol, AddSymbolInt)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_STRING(name);
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PARAM_INT(value);
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AddSymbolInt(self, &name, value);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, AddSymbolUnsigned, AddSymbolUint)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_STRING(name);
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PARAM_UINT(value);
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AddSymbolUint(self, &name, value);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, AddSymbolFloat, AddSymbolDouble)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_STRING(name);
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PARAM_FLOAT(value);
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AddSymbolDouble(self, &name, value);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, GetString, GetString)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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ACTION_RETURN_BOOL(GetString(self));
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, GetNumber, GetNumber)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_BOOL(evaluate);
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ACTION_RETURN_BOOL(GetNumber(self, evaluate));
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, GetFloat, GetFloat)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_BOOL(evaluate);
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ACTION_RETURN_BOOL(GetFloat(self, evaluate));
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, CheckValue, CheckValue)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_BOOL(allowfloat);
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PARAM_BOOL(evaluate);
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ACTION_RETURN_BOOL(CheckValue(self, allowfloat, evaluate));
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, CheckBoolToken, CheckBoolToken)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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ACTION_RETURN_BOOL(CheckBoolToken(self));
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, CheckNumber, CheckNumber)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_BOOL(evaluate);
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ACTION_RETURN_BOOL(CheckNumber(self, evaluate));
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, CheckString, CheckString)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_STRING(name);
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ACTION_RETURN_BOOL(CheckString(self, &name));
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, CheckFloat, CheckFloat)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_BOOL(evaluate);
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ACTION_RETURN_BOOL(CheckFloat(self, evaluate));
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, SetPrependMessage, SetPrependMessage)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_STRING(message);
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SetPrependMessage(self, &message);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, SetCMode, SetCMode)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_BOOL(cmode);
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SetCMode(self, cmode);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, SetNoOctals, SetNoOctals)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_BOOL(cmode);
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SetNoOctals(self, cmode);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, SetEscape, SetEscape)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_BOOL(esc);
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SetEscape(self, esc);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, SkipToEndOfBlock, SkipToEndOfBlock)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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SkipToEndOfBlock(self);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, StartBraces, StartBraces)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_POINTER(braceend, FScanner::SavedPos);
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StartBraces(self, braceend); // the return value of this is useless.
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, FoundEndBrace, FoundEndBrace)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_POINTER(braceend, FScanner::SavedPos);
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ACTION_RETURN_BOOL(FoundEndBrace(self, braceend));
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}
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DEFINE_ACTION_FUNCTION(DScriptScanner, ScriptError)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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FString s = FStringFormat(VM_ARGS_NAMES);
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self->wrapped.ScriptError("%s", s.GetChars());
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return 0;
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}
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DEFINE_ACTION_FUNCTION(DScriptScanner, ScriptMessage)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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FString s = FStringFormat(VM_ARGS_NAMES);
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self->wrapped.ScriptMessage("%s", s.GetChars());
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, MustGetValue, MustGetValue)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_BOOL(allowfloat);
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PARAM_BOOL(evaluate);
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MustGetValue(self, allowfloat, evaluate);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, MustGetNumber, MustGetNumber)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_BOOL(evaluate);
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MustGetNumber(self, evaluate);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, MustGetFloat, MustGetFloat)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_BOOL(evaluate);
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MustGetFloat(self, evaluate);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, MustGetString, MustGetString)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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MustGetString(self);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, MustGetStringName, MustGetStringName)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_STRING(name);
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MustGetStringName(self, &name);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, MustGetBoolToken, MustGetBoolToken)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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MustGetBoolToken(self);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, Close, Close)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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Close(self);
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return 0;
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}
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DEFINE_ACTION_FUNCTION_NATIVE(DScriptScanner, SetNoFatalErrors, SetNoFatalErrors)
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{
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PARAM_SELF_PROLOGUE(DScriptScanner);
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PARAM_BOOL(cmode);
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SetNoFatalErrors(self, cmode);
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return 0;
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}
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DEFINE_FIELD_NAMED_X(ScriptScanner, DScriptScanner, wrapped.Line, Line);
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DEFINE_FIELD_NAMED_X(ScriptScanner, DScriptScanner, wrapped.Float, Float);
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DEFINE_FIELD_NAMED_X(ScriptScanner, DScriptScanner, wrapped.Number, Number);
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DEFINE_FIELD_NAMED_X(ScriptScanner, DScriptScanner, wrapped.End, End);
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DEFINE_FIELD_NAMED_X(ScriptScanner, DScriptScanner, wrapped.Crossed, Crossed);
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DEFINE_FIELD_NAMED_X(ScriptScanner, DScriptScanner, wrapped.ParseError, ParseError);
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@ -940,6 +940,68 @@ struct QuatStruct native
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// native Quat Unit();
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}
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struct ScriptSavedPos
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{
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voidptr SavedScriptPtr;
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int SavedScriptLine;
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}
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class ScriptScanner native
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{
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native void OpenString(String name, String script);
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native void OpenLumpNum(int lump);
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native void Close();
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native void SavePos(out ScriptSavedPos pos);
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native void RestorePos(out ScriptSavedPos pos);
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native void UnGet();
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native bool isText();
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native int GetMessageLine();
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native void SetPrependMessage(String message);
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native vararg void ScriptError(String fmt, ...);
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native vararg void ScriptMessage(String fmt, ...);
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native void SetCMode(bool cmode);
|
||||
native void SetNoOctals(bool cmode);
|
||||
native void SetEscape(bool esc);
|
||||
native void SetNoFatalErrors(bool cmode);
|
||||
native void SkipToEndOfBlock();
|
||||
native void StartBraces(out ScriptSavedPos braceend);
|
||||
native bool FoundEndBrace(out ScriptSavedPos braceend);
|
||||
|
||||
native bool CheckValue(bool allowfloat, bool evaluate = true);
|
||||
native bool CheckBoolToken();
|
||||
native bool CheckNumber(bool evaluate = false);
|
||||
native bool CheckString(String name);
|
||||
native bool CheckFloat(bool evaluate = false);
|
||||
|
||||
native bool GetNumber(bool evaluate = false);
|
||||
native bool GetString();
|
||||
native bool GetFloat(bool evaluate = false);
|
||||
|
||||
native void AddSymbol(String name, int value);
|
||||
native void AddSymbolUnsigned(String name, uint value);
|
||||
native void AddSymbolFloat(String name, double value);
|
||||
|
||||
native void MustGetValue(bool allowfloat, bool evaluate = true);
|
||||
native void MustGetFloat(bool evaluate = false);
|
||||
native void MustGetNumber(bool evaluate = false);
|
||||
native void MustGetString();
|
||||
native void MustGetStringName(String name);
|
||||
native void MustGetBoolToken();
|
||||
|
||||
// This DOES NOT advance the parser! This returns the string the parser got.
|
||||
native String GetStringContents();
|
||||
|
||||
native readonly bool End;
|
||||
native readonly bool ParseError;
|
||||
native readonly bool Crossed;
|
||||
native readonly int Line;
|
||||
native readonly int Number;
|
||||
native readonly double Float;
|
||||
}
|
||||
|
||||
// this struct does not exist. It is just a type for being referenced by an opaque pointer.
|
||||
struct VMFunction native version("4.10")
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in a new issue