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[17] | 1 | /* -*- mode: C; tab-width:8; c-basic-offset:8 -*- |
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| 2 | * vi:set ts=8: |
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| 3 | * |
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| 4 | * al_rctree.h |
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| 5 | * |
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| 6 | * Stuff related to the rctree data structure |
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| 7 | * |
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| 8 | */ |
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| 9 | #ifndef AL_RCTREE_H_ |
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| 10 | #define AL_RCTREE_H_ |
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| 11 | |
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| 12 | #define ALRC_MAXSTRLEN 90 |
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| 13 | |
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| 14 | #include "al_rcvar.h" |
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| 15 | |
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| 16 | /* |
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| 17 | * The AL_rctree is the base type for the alrc language. |
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| 18 | */ |
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| 19 | typedef struct _AL_rctree { |
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| 20 | ALRcEnum type; |
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| 21 | |
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| 22 | union { |
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| 23 | ALboolean b; |
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| 24 | ALint i; |
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| 25 | ALfloat f; |
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| 26 | ALuint ui; |
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| 27 | ALvoid *p; |
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| 28 | |
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| 29 | struct { |
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| 30 | char c_str[ALRC_MAXSTRLEN]; |
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| 31 | size_t len; |
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| 32 | } str; |
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| 33 | struct _AL_rctree *(*proc)(struct _AL_rctree *env, struct _AL_rctree *args); |
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| 34 | struct { |
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| 35 | struct _AL_rctree *car; |
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| 36 | struct _AL_rctree *cdr; |
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| 37 | } ccell; |
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| 38 | } data; |
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| 39 | } AL_rctree; |
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| 40 | |
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| 41 | /* |
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| 42 | * alrc_prim is a typedef that aids in the handling of alrc primitives, which |
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| 43 | * provide a sort of foreign function interface. |
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| 44 | */ |
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| 45 | typedef AL_rctree *(*alrc_prim)( AL_rctree *env, AL_rctree *args ); |
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| 46 | |
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| 47 | /* |
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| 48 | * Allocate, initialize, and return an AL_rctree object. |
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| 49 | */ |
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| 50 | AL_rctree *_alRcTreeAlloc( void ); |
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| 51 | |
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| 52 | /* |
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| 53 | * Finalize and deallocate an AL_rctree object. |
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| 54 | */ |
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| 55 | void _alRcTreeFree( AL_rctree *node ); |
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| 56 | |
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| 57 | /* |
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| 58 | * Deallocates any and all AL_rctree objects creates thus far. |
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| 59 | */ |
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| 60 | void _alRcTreeDestroyAll( void ); |
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| 61 | |
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| 62 | #endif /* AL_RCTREE_H_ */ |
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