Mercurial > hg > dmlib
annotate dmeval.h @ 747:faf43d8aa841
Rename some constants.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Sat, 04 May 2013 05:32:52 +0300 |
| parents | aba7dde79a04 |
| children | 7be7c7c5deaa |
| 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 |
| 747 | 11 |
| 0 | 12 enum |
| 13 { | |
| 674 | 14 // No-op |
| 0 | 15 OP_NONE, |
| 16 | |
| 17 OP_ADD, | |
| 18 OP_SUB, | |
| 19 OP_MUL, | |
| 20 OP_DIV, | |
| 21 OP_MOD, | |
| 22 | |
|
740
48c48e94d87f
More work on the evaluator. Still broken, of course.
Matti Hamalainen <ccr@tnsp.org>
parents:
725
diff
changeset
|
23 OP_SUB_UNARY, |
| 747 | 24 OP_BIT_COMPLEMENT, |
|
740
48c48e94d87f
More work on the evaluator. Still broken, of course.
Matti Hamalainen <ccr@tnsp.org>
parents:
725
diff
changeset
|
25 |
| 747 | 26 OP_BIT_LSHIFT, |
| 27 OP_BIT_RSHIFT, | |
| 0 | 28 |
| 747 | 29 OP_BIT_AND, |
| 30 OP_BIT_OR, | |
| 31 OP_BIT_XOR, | |
|
740
48c48e94d87f
More work on the evaluator. Still broken, of course.
Matti Hamalainen <ccr@tnsp.org>
parents:
725
diff
changeset
|
32 |
|
48c48e94d87f
More work on the evaluator. Still broken, of course.
Matti Hamalainen <ccr@tnsp.org>
parents:
725
diff
changeset
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33 OP_GT, |
|
48c48e94d87f
More work on the evaluator. Still broken, of course.
Matti Hamalainen <ccr@tnsp.org>
parents:
725
diff
changeset
|
34 OP_LT, |
|
48c48e94d87f
More work on the evaluator. Still broken, of course.
Matti Hamalainen <ccr@tnsp.org>
parents:
725
diff
changeset
|
35 OP_GT_EQ, |
|
48c48e94d87f
More work on the evaluator. Still broken, of course.
Matti Hamalainen <ccr@tnsp.org>
parents:
725
diff
changeset
|
36 OP_LT_EQ, |
|
48c48e94d87f
More work on the evaluator. Still broken, of course.
Matti Hamalainen <ccr@tnsp.org>
parents:
725
diff
changeset
|
37 |
| 674 | 38 // Special ops |
| 0 | 39 OP_FUNC, |
| 40 OP_VAR, | |
| 41 OP_SUBEXPR, | |
| 42 OP_CONST, | |
| 43 | |
| 674 | 44 // Total number of operators |
| 0 | 45 OP_NOPERS |
|
742
aba7dde79a04
Add associativity types enum.
Matti Hamalainen <ccr@tnsp.org>
parents:
740
diff
changeset
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46 } DMOper; |
|
aba7dde79a04
Add associativity types enum.
Matti Hamalainen <ccr@tnsp.org>
parents:
740
diff
changeset
|
47 |
|
aba7dde79a04
Add associativity types enum.
Matti Hamalainen <ccr@tnsp.org>
parents:
740
diff
changeset
|
48 |
|
aba7dde79a04
Add associativity types enum.
Matti Hamalainen <ccr@tnsp.org>
parents:
740
diff
changeset
|
49 enum |
|
aba7dde79a04
Add associativity types enum.
Matti Hamalainen <ccr@tnsp.org>
parents:
740
diff
changeset
|
50 { |
|
aba7dde79a04
Add associativity types enum.
Matti Hamalainen <ccr@tnsp.org>
parents:
740
diff
changeset
|
51 OT_LEFT, // Left-associative |
|
aba7dde79a04
Add associativity types enum.
Matti Hamalainen <ccr@tnsp.org>
parents:
740
diff
changeset
|
52 OT_RIGHT, // Right-associative |
|
aba7dde79a04
Add associativity types enum.
Matti Hamalainen <ccr@tnsp.org>
parents:
740
diff
changeset
|
53 OT_UNARY, |
| 0 | 54 } DMOperType; |
| 55 | |
| 685 | 56 |
| 0 | 57 enum |
| 58 { | |
| 59 ID_FUNC, | |
| 670 | 60 ID_VAR, |
| 61 ID_CVAR, | |
| 0 | 62 } DMEvalIdType; |
| 63 | |
| 64 | |
| 65 typedef struct | |
| 66 { | |
| 67 char *name; | |
| 68 int type; | |
| 670 | 69 int nargs; |
| 70 DMValue (*func)(DMValue arg[DM_MAX_ARGS]); | |
| 71 DMValue *var, cvalue; | |
| 0 | 72 } DMEvalId; |
| 73 | |
| 74 | |
| 75 typedef struct DMEvalNode | |
| 76 { | |
|
693
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More work on evaluator reordering pass.
Matti Hamalainen <ccr@tnsp.org>
parents:
685
diff
changeset
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77 BOOL ok; |
| 0 | 78 int op; |
| 79 DMValue val; | |
| 80 DMEvalId *id; | |
| 81 | |
| 670 | 82 struct DMEvalNode *args[DM_MAX_ARGS]; |
| 0 | 83 struct DMEvalNode *subexpr, *next, *prev; |
| 84 } DMEvalNode; | |
| 85 | |
| 86 | |
| 87 typedef struct | |
| 88 { | |
| 89 BOOL err; | |
| 90 char *errStr; | |
| 91 | |
| 92 int nids; | |
| 93 DMEvalId *ids; | |
| 94 | |
| 95 int mode, prev, expect; | |
| 96 } DMEvalContext; | |
| 97 | |
| 98 | |
| 99 DMEvalId *dm_eval_find_id(DMEvalContext *ev, const char *name); | |
| 100 DMEvalId *dm_eval_add_var(DMEvalContext *ev, const char *name, DMValue *var); | |
| 670 | 101 DMEvalId *dm_eval_add_const(DMEvalContext *ev, const char *name, DMValue value); |
| 102 DMEvalId *dm_eval_add_func(DMEvalContext *ev, const char *name, DMValue (*func)(DMValue *), int nargs); | |
| 0 | 103 |
| 104 DMEvalContext *dm_eval_new(void); | |
| 105 void dm_eval_close(DMEvalContext *ev); | |
| 106 void dm_eval_free(DMEvalNode *node); | |
| 107 void dm_eval_clear_err(DMEvalContext *ev); | |
| 108 | |
| 109 int dm_eval_parse_expr(DMEvalContext *ev, char *expr, DMEvalNode **result); | |
| 680 | 110 int dm_eval_reorder(DMEvalContext *ev, DMEvalNode *node, DMEvalNode **result); |
| 0 | 111 int dm_eval_exec(DMEvalContext *ev, DMEvalNode *tree, DMValue *presult); |
| 112 | |
| 113 | |
| 114 #endif // DMEVAL_H |