/home/travis/build/MoarVM/MoarVM/src/6model/reprs/MVMCallCapture.c
Line | Count | Source (jump to first uncovered line) |
1 | | #include "moar.h" |
2 | | |
3 | | /* This representation's function pointer table. */ |
4 | | static const MVMREPROps MVMCallCapture_this_repr; |
5 | | |
6 | | /* Creates a new type object of this representation, and associates it with |
7 | | * the given HOW. Also sets the invocation protocol handler in the STable. */ |
8 | 144 | static MVMObject * type_object_for(MVMThreadContext *tc, MVMObject *HOW) { |
9 | 144 | MVMSTable *st = MVM_gc_allocate_stable(tc, &MVMCallCapture_this_repr, HOW); |
10 | 144 | |
11 | 144 | MVMROOT(tc, st, { |
12 | 144 | MVMObject *obj = MVM_gc_allocate_type_object(tc, st); |
13 | 144 | MVM_ASSIGN_REF(tc, &(st->header), st->WHAT, obj); |
14 | 144 | st->size = sizeof(MVMCallCapture); |
15 | 144 | }); |
16 | 144 | |
17 | 144 | return st->WHAT; |
18 | 144 | } |
19 | | |
20 | | /* Copies the body of one object to another. */ |
21 | 1 | static void copy_to(MVMThreadContext *tc, MVMSTable *st, void *src, MVMObject *dest_root, void *dest) { |
22 | 1 | MVMCallCaptureBody *src_body = (MVMCallCaptureBody *)src; |
23 | 1 | MVMCallCaptureBody *dest_body = (MVMCallCaptureBody *)dest; |
24 | 1 | |
25 | 1 | MVMuint32 arg_size = src_body->apc->arg_count * sizeof(MVMRegister); |
26 | 1 | MVMRegister *args = MVM_malloc(arg_size); |
27 | 1 | memcpy(args, src_body->apc->args, arg_size); |
28 | 1 | |
29 | 1 | dest_body->apc = (MVMArgProcContext *)MVM_calloc(1, sizeof(MVMArgProcContext)); |
30 | 1 | MVM_args_proc_init(tc, dest_body->apc, |
31 | 1 | MVM_args_copy_uninterned_callsite(tc, src_body->apc), args); |
32 | 1 | } |
33 | | |
34 | | /* Adds held objects to the GC worklist. */ |
35 | 238 | static void gc_mark(MVMThreadContext *tc, MVMSTable *st, void *data, MVMGCWorklist *worklist) { |
36 | 238 | MVMCallCaptureBody *body = (MVMCallCaptureBody *)data; |
37 | 238 | MVMArgProcContext *ctx = body->apc; |
38 | 238 | MVMuint8 *flag_map = body->apc->callsite->arg_flags; |
39 | 238 | MVMuint16 count = ctx->arg_count; |
40 | 238 | MVMuint16 i, flag; |
41 | 735 | for (i = 0, flag = 0; i < count; i++, flag++) { |
42 | 497 | if (flag_map[flag] & MVM_CALLSITE_ARG_NAMED) { |
43 | 21 | /* Current position is name, then next is value. */ |
44 | 21 | MVM_gc_worklist_add(tc, worklist, &ctx->args[i].s); |
45 | 21 | i++; |
46 | 21 | } |
47 | 497 | if (flag_map[flag] & MVM_CALLSITE_ARG_STR || flag_map[flag] & MVM_CALLSITE_ARG_OBJ) |
48 | 497 | MVM_gc_worklist_add(tc, worklist, &ctx->args[i].o); |
49 | 497 | } |
50 | 238 | } |
51 | | |
52 | | /* Called by the VM in order to free memory associated with this object. */ |
53 | 3.83k | static void gc_free(MVMThreadContext *tc, MVMObject *obj) { |
54 | 3.83k | MVMCallCapture *ctx = (MVMCallCapture *)obj; |
55 | 3.83k | /* We made our own copy of the callsite, args buffer and processing |
56 | 3.83k | * context, so free them all. */ |
57 | 3.83k | if (ctx->body.apc) { |
58 | 3.83k | MVMCallsite *cs = ctx->body.apc->callsite; |
59 | 3.83k | if (cs && !cs->is_interned) { |
60 | 0 | MVM_free(cs->arg_flags); |
61 | 0 | MVM_free(cs); |
62 | 0 | } |
63 | 3.83k | if (ctx->body.apc->named_used_size > 64) |
64 | 0 | MVM_fixed_size_free(tc, tc->instance->fsa, |
65 | 0 | ctx->body.apc->named_used_size, |
66 | 0 | ctx->body.apc->named_used.byte_array); |
67 | 3.83k | MVM_free(ctx->body.apc->args); |
68 | 3.83k | MVM_free(ctx->body.apc); |
69 | 3.83k | } |
70 | 3.83k | } |
71 | | |
72 | | static const MVMStorageSpec storage_spec = { |
73 | | MVM_STORAGE_SPEC_REFERENCE, /* inlineable */ |
74 | | 0, /* bits */ |
75 | | 0, /* align */ |
76 | | MVM_STORAGE_SPEC_BP_NONE, /* boxed_primitive */ |
77 | | 0, /* can_box */ |
78 | | 0, /* is_unsigned */ |
79 | | }; |
80 | | |
81 | | /* Gets the storage specification for this representation. */ |
82 | 0 | static const MVMStorageSpec * get_storage_spec(MVMThreadContext *tc, MVMSTable *st) { |
83 | 0 | return &storage_spec; |
84 | 0 | } |
85 | | |
86 | | /* Compose the representation. */ |
87 | 0 | static void compose(MVMThreadContext *tc, MVMSTable *st, MVMObject *info) { |
88 | 0 | /* Nothing to do for this REPR. */ |
89 | 0 | } |
90 | | |
91 | | /* Initializes the representation. */ |
92 | 144 | const MVMREPROps * MVMCallCapture_initialize(MVMThreadContext *tc) { |
93 | 144 | return &MVMCallCapture_this_repr; |
94 | 144 | } |
95 | | |
96 | | static const MVMREPROps MVMCallCapture_this_repr = { |
97 | | type_object_for, |
98 | | MVM_gc_allocate_object, |
99 | | NULL, /* initialize */ |
100 | | copy_to, |
101 | | MVM_REPR_DEFAULT_ATTR_FUNCS, |
102 | | MVM_REPR_DEFAULT_BOX_FUNCS, |
103 | | MVM_REPR_DEFAULT_POS_FUNCS, |
104 | | MVM_REPR_DEFAULT_ASS_FUNCS, |
105 | | MVM_REPR_DEFAULT_ELEMS, |
106 | | get_storage_spec, |
107 | | NULL, /* change_type */ |
108 | | NULL, /* serialize */ |
109 | | NULL, /* deserialize */ |
110 | | NULL, /* serialize_repr_data */ |
111 | | NULL, /* deserialize_repr_data */ |
112 | | NULL, /* deserialize_stable_size */ |
113 | | gc_mark, |
114 | | gc_free, |
115 | | NULL, /* gc_cleanup */ |
116 | | NULL, /* gc_mark_repr_data */ |
117 | | NULL, /* gc_free_repr_data */ |
118 | | compose, |
119 | | NULL, /* spesh */ |
120 | | "MVMCallCapture", /* name */ |
121 | | MVM_REPR_ID_MVMCallCapture, |
122 | | NULL, /* unmanaged_size */ |
123 | | NULL, /* describe_refs */ |
124 | | }; |
125 | | |
126 | | /* This function was only introduced for the benefit of the JIT. */ |
127 | 0 | MVMint64 MVM_capture_pos_primspec(MVMThreadContext *tc, MVMObject *obj, MVMint64 i) { |
128 | 0 | if (IS_CONCRETE(obj) && REPR(obj)->ID == MVM_REPR_ID_MVMCallCapture) { |
129 | 0 | MVMCallCapture *cc = (MVMCallCapture *)obj; |
130 | 0 | if (i >= 0 && i < cc->body.apc->num_pos) { |
131 | 0 | MVMCallsiteEntry *arg_flags = cc->body.apc->arg_flags |
132 | 0 | ? cc->body.apc->arg_flags |
133 | 0 | : cc->body.apc->callsite->arg_flags; |
134 | 0 | switch (arg_flags[i] & MVM_CALLSITE_ARG_MASK) { |
135 | 0 | case MVM_CALLSITE_ARG_INT: |
136 | 0 | return MVM_STORAGE_SPEC_BP_INT; |
137 | 0 | case MVM_CALLSITE_ARG_NUM: |
138 | 0 | return MVM_STORAGE_SPEC_BP_NUM; |
139 | 0 | case MVM_CALLSITE_ARG_STR: |
140 | 0 | return MVM_STORAGE_SPEC_BP_STR; |
141 | 0 | default: |
142 | 0 | return MVM_STORAGE_SPEC_BP_NONE; |
143 | 0 | } |
144 | 0 | } |
145 | 0 | else { |
146 | 0 | MVM_exception_throw_adhoc(tc, |
147 | 0 | "Bad argument index given to captureposprimspec"); |
148 | 0 | } |
149 | 0 | } |
150 | 0 | else { |
151 | 0 | MVM_exception_throw_adhoc(tc, "captureposprimspec needs a MVMCallCapture"); |
152 | 0 | } |
153 | 0 | } |