src/glsl/pp/sl_pp_macro.h

/**************************************************************************
 * 
 * Copyright 2009 VMware, Inc.
 * All Rights Reserved.
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * "Software"), to deal in the Software without restriction, including
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 * The above copyright notice and this permission notice (including the
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#ifndef SL_PP_MACRO_H
#define SL_PP_MACRO_H

#include "sl_pp_token.h"


struct sl_pp_context;
struct sl_pp_process_state;
struct sl_pp_token_buffer;

struct sl_pp_macro_formal_arg {
   int name;
   struct sl_pp_macro_formal_arg *next;
};

struct sl_pp_macro {
   int name;
   int num_args;                       /* -1 means no args, 0 means `()' */
   struct sl_pp_macro_formal_arg *arg;
   struct sl_pp_token_info *body;
   struct sl_pp_macro *next;
};

struct sl_pp_macro *
sl_pp_macro_new(void);

void
sl_pp_macro_free(struct sl_pp_macro *macro);

void
sl_pp_macro_reset(struct sl_pp_macro *macro);

enum sl_pp_macro_expand_behaviour {
   sl_pp_macro_expand_normal,
   sl_pp_macro_expand_mute,
   sl_pp_macro_expand_unknown_to_0
};

int
sl_pp_macro_expand(struct sl_pp_context *context,
                   struct sl_pp_token_buffer *tokens,
                   struct sl_pp_macro *local,
                   struct sl_pp_process_state *state,
                   enum sl_pp_macro_expand_behaviour behaviour);

#endif /* SL_PP_MACRO_H */