5 // Compile a word definition with the non-optimizing compiler.
7 void factor_vm::jit_compile_word(cell word_, cell def_, bool relocating) {
8 data_root<word> word(word_, this);
9 data_root<quotation> def(def_, this);
11 // Refuse to compile this word more than once, because quot_compiled_p()
12 // depends on the identity of its code block
13 if (word->entry_point &&
14 word.value() == special_objects[LAZY_JIT_COMPILE_WORD])
17 code_block* compiled =
18 jit_compile_quotation(word.value(), def.value(), relocating);
19 word->entry_point = compiled->entry_point();
21 if (to_boolean(word->pic_def))
22 jit_compile_quotation(word->pic_def, relocating);
23 if (to_boolean(word->pic_tail_def))
24 jit_compile_quotation(word->pic_tail_def, relocating);
28 word* factor_vm::allot_word(cell name_, cell vocab_, cell hashcode_) {
29 data_root<object> vocab(vocab_, this);
30 data_root<object> name(name_, this);
32 data_root<word> new_word(allot<word>(sizeof(word)), this);
34 new_word->hashcode = hashcode_;
35 new_word->vocabulary = vocab.value();
36 new_word->name = name.value();
37 new_word->def = special_objects[OBJ_UNDEFINED];
38 new_word->props = false_object;
39 new_word->pic_def = false_object;
40 new_word->pic_tail_def = false_object;
41 new_word->subprimitive = false_object;
42 new_word->entry_point = 0;
44 jit_compile_word(new_word.value(), new_word->def, true);
46 return new_word.untagged();
49 // (word) ( name vocabulary hashcode -- word )
51 void factor_vm::primitive_word() {
52 cell hashcode = ctx->pop();
53 cell vocab = ctx->pop();
54 cell name = ctx->pop();
55 ctx->push(tag<word>(allot_word(name, vocab, hashcode)));
58 // word-code ( word -- start end )
59 // Allocates memory (from_unsigned_cell allocates)
60 void factor_vm::primitive_word_code() {
61 data_root<word> w(ctx->pop(), this);
64 ctx->push(from_unsigned_cell(w->entry_point));
65 ctx->push(from_unsigned_cell((cell)w->code() + w->code()->size()));
68 void factor_vm::primitive_word_optimized_p() {
69 word* w = untag_check<word>(ctx->peek());
70 cell t = w->code()->type();
71 ctx->replace(tag_boolean(t == CODE_BLOCK_OPTIMIZED));
75 void factor_vm::primitive_wrapper() {
76 wrapper* new_wrapper = allot<wrapper>(sizeof(wrapper));
77 new_wrapper->object = ctx->peek();
78 ctx->replace(tag<wrapper>(new_wrapper));