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/****************************************************************************
* tokenize.h
*
* This module contains all defines, typedefs, and prototypes for TOKENIZE.CPP.
*
* from Persistence of Vision(tm) Ray Tracer version 3.6.
* Copyright 1991-2003 Persistence of Vision Team
* Copyright 2003-2004 Persistence of Vision Raytracer Pty. Ltd.
*---------------------------------------------------------------------------
* NOTICE: This source code file is provided so that users may experiment
* with enhancements to POV-Ray and to port the software to platforms other
* than those supported by the POV-Ray developers. There are strict rules
* regarding how you are permitted to use this file. These rules are contained
* in the distribution and derivative versions licenses which should have been
* provided with this file.
*
* These licences may be found online, linked from the end-user license
* agreement that is located at http://www.povray.org/povlegal.html
*---------------------------------------------------------------------------
* This program is based on the popular DKB raytracer version 2.12.
* DKBTrace was originally written by David K. Buck.
* DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
*---------------------------------------------------------------------------
* $File: //depot/povray/3.6-release/source/tokenize.h $
* $Revision: #2 $
* $Change: 2939 $
* $DateTime: 2004/07/04 13:43:26 $
* $Author: root $
* $Log$
*****************************************************************************/
#ifndef TOKENIZE_H
#define TOKENIZE_H
#include "frame.h"
#include "povms.h"
#include "textstream.h"
BEGIN_POV_NAMESPACE
USING_POV_BASE_NAMESPACE
/*****************************************************************************
* Global preprocessor defines
******************************************************************************/
#define MAX_NUMBER_OF_TABLES 100
/*****************************************************************************
* Global typedefs
******************************************************************************/
struct Token_Struct
{
TOKEN Token_Id;
TOKEN Function_Id;
POV_BASE_NAMESPACE::ITextStream::FilePos Token_File_Pos;
int Token_Col_No,Table_Index;
char *Token_String;
DBL Token_Float;
int Unget_Token, End_Of_File;
POV_BASE_NAMESPACE::ITextStream *FileHandle;
void *Data;
int *NumberPtr;
void **DataPtr;
bool is_array_elem;
};
#define MAX_PARAMETER_LIST 56
typedef struct Pov_Macro_Struct POV_MACRO;
struct Pov_Macro_Struct
{
char *Macro_Name;
char *Macro_Filename;
POV_BASE_NAMESPACE::ITextStream::FilePos Macro_File_Pos;
long Macro_End;
int Num_Of_Pars;
char *Par_Name[MAX_PARAMETER_LIST];
};
typedef struct Pov_Array_Struct POV_ARRAY;
struct Pov_Array_Struct
{
int Dims, Type, Total;
int Sizes[5];
int Mags[5];
void **DataPtrs;
};
typedef struct Pov_Param_Struct POV_PARAM;
struct Pov_Param_Struct
{
int *NumberPtr;
void **DataPtr;
int Table_Index;
};
typedef struct Data_File_Struct DATA_FILE;
struct Data_File_Struct
{
POV_BASE_NAMESPACE::ITextStream *In_File;
POV_BASE_NAMESPACE::OTextStream *Out_File;
bool R_Flag;
};
/*****************************************************************************
* Global variables
******************************************************************************/
extern struct Token_Struct Token;
extern const struct Reserved_Word_Struct Reserved_Words [LAST_TOKEN];
extern int Table_Index;
extern int token_count; // WARNING: This variable has very little to do with counting tokens! [trf]
extern POV_LONG Current_Token_Count; // This variable really counts tokens! [trf]
/*****************************************************************************
* Global functions
******************************************************************************/
void Get_Token (void);
void Unget_Token (void);
void Parse_String_Literal(void);
void Where_Error (POVMSObjectPtr msg);
void Where_Warning (POVMSObjectPtr msg);
void Parse_Directive (int After_Hash);
void Open_Include (void);
void IncludeHeader(char *temp);
void pre_init_tokenizer (void);
void Initialize_Tokenizer (void);
void Terminate_Tokenizer (void);
SYM_ENTRY *Add_Symbol (int Index,char *Name,TOKEN Number);
void Destroy_Macro (POV_MACRO *PMac);
POV_ARRAY *Parse_Array_Declare (void);
SYM_ENTRY *Create_Entry (int Index,char *Name,TOKEN Number);
SYM_ENTRY *Destroy_Entry (int Index,SYM_ENTRY *Entry);
int Parse_Ifdef_Param (void);
END_POV_NAMESPACE
#endif
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