Mercurial > hg > dmlib
annotate dmeval.h @ 725:f3cab48c6746
Add new header file dmevalw.h
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Sun, 21 Apr 2013 18:32:24 +0300 |
| parents | 6d96d5bf9653 |
| children | 48c48e94d87f |
| rev | line source |
|---|---|
| 0 | 1 #ifndef DMEVAL_H |
| 2 #define DMEVAL_H | |
| 3 | |
| 4 #include "dmlib.h" | |
| 5 | |
| 6 | |
| 7 typedef double DMValue; | |
| 670 | 8 #define DMCONVTYPE (int) |
| 9 #define DM_MAX_ARGS 8 | |
| 0 | 10 |
| 11 enum | |
| 12 { | |
| 674 | 13 // No-op |
| 0 | 14 OP_NONE, |
| 15 | |
| 16 OP_ADD, | |
| 17 OP_SUB, | |
| 18 OP_MUL, | |
| 19 OP_DIV, | |
| 20 OP_MOD, | |
| 21 | |
| 22 OP_LSHIFT, | |
| 23 OP_RSHIFT, | |
| 24 | |
| 25 OP_AND, | |
| 26 OP_OR, | |
| 27 OP_XOR, | |
| 28 | |
| 674 | 29 // Special ops |
| 0 | 30 OP_FUNC, |
| 31 OP_VAR, | |
| 32 OP_SUBEXPR, | |
| 33 OP_CONST, | |
| 34 | |
| 674 | 35 // Total number of operators |
| 0 | 36 OP_NOPERS |
| 37 } DMOperType; | |
| 38 | |
| 685 | 39 |
| 0 | 40 enum |
| 41 { | |
| 42 ID_FUNC, | |
| 670 | 43 ID_VAR, |
| 44 ID_CVAR, | |
| 0 | 45 } DMEvalIdType; |
| 46 | |
| 47 | |
| 48 typedef struct | |
| 49 { | |
| 50 char *name; | |
| 51 int type; | |
| 670 | 52 int nargs; |
| 53 DMValue (*func)(DMValue arg[DM_MAX_ARGS]); | |
| 54 DMValue *var, cvalue; | |
| 0 | 55 } DMEvalId; |
| 56 | |
| 57 | |
| 58 typedef struct DMEvalNode | |
| 59 { | |
|
693
837ad9dcc348
More work on evaluator reordering pass.
Matti Hamalainen <ccr@tnsp.org>
parents:
685
diff
changeset
|
60 BOOL ok; |
| 0 | 61 int op; |
| 62 DMValue val; | |
| 63 DMEvalId *id; | |
| 64 | |
| 670 | 65 struct DMEvalNode *args[DM_MAX_ARGS]; |
| 0 | 66 struct DMEvalNode *subexpr, *next, *prev; |
| 67 } DMEvalNode; | |
| 68 | |
| 69 | |
| 70 typedef struct | |
| 71 { | |
| 72 BOOL err; | |
| 73 char *errStr; | |
| 74 | |
| 75 int nids; | |
| 76 DMEvalId *ids; | |
| 77 | |
| 78 int mode, prev, expect; | |
| 79 } DMEvalContext; | |
| 80 | |
| 81 | |
| 82 DMEvalId *dm_eval_find_id(DMEvalContext *ev, const char *name); | |
| 83 DMEvalId *dm_eval_add_var(DMEvalContext *ev, const char *name, DMValue *var); | |
| 670 | 84 DMEvalId *dm_eval_add_const(DMEvalContext *ev, const char *name, DMValue value); |
| 85 DMEvalId *dm_eval_add_func(DMEvalContext *ev, const char *name, DMValue (*func)(DMValue *), int nargs); | |
| 0 | 86 |
| 87 DMEvalContext *dm_eval_new(void); | |
| 88 void dm_eval_close(DMEvalContext *ev); | |
| 89 void dm_eval_free(DMEvalNode *node); | |
| 90 void dm_eval_clear_err(DMEvalContext *ev); | |
| 91 | |
| 92 int dm_eval_parse_expr(DMEvalContext *ev, char *expr, DMEvalNode **result); | |
| 680 | 93 int dm_eval_reorder(DMEvalContext *ev, DMEvalNode *node, DMEvalNode **result); |
| 0 | 94 int dm_eval_exec(DMEvalContext *ev, DMEvalNode *tree, DMValue *presult); |
| 95 | |
| 96 | |
| 97 #endif // DMEVAL_H |