diff options
Diffstat (limited to 'compile.c')
| -rw-r--r-- | compile.c | 63 |
1 files changed, 63 insertions, 0 deletions
@@ -3648,6 +3648,65 @@ build_postexe_iseq(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE *body) return Qnil; } +static void +compile_named_capture_assign(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE *node) +{ + NODE *vars; + LINK_ELEMENT *last; + int line = nd_line(node); + LABEL *fail_label = NEW_LABEL(line), *end_label = NEW_LABEL(line); + +#if !(defined(NAMED_CAPTURE_BY_SVAR) && NAMED_CAPTURE_BY_SVAR-0) + ADD_INSN1(ret, line, getglobal, ((VALUE)rb_global_entry(idBACKREF) | 1)); +#else + ADD_INSN2(ret, line, getspecial, INT2FIX(1) /* '~' */, INT2FIX(0)); +#endif + ADD_INSN(ret, line, dup); + ADD_INSNL(ret, line, branchunless, fail_label); + + for (vars = node; vars; vars = vars->nd_next) { + INSN *cap; + if (vars->nd_next) { + ADD_INSN(ret, line, dup); + } + last = ret->last; + COMPILE_POPED(ret, "capture", vars->nd_head); + last = last->next; /* putobject :var */ + cap = new_insn_send(iseq, line, idAREF, INT2FIX(1), + NULL, INT2FIX(0), NULL); + INSERT_ELEM_PREV(last->next, (LINK_ELEMENT *)cap); +#if !defined(NAMED_CAPTURE_SINGLE_OPT) || NAMED_CAPTURE_SINGLE_OPT-0 + if (!vars->nd_next && vars == node) { + /* only one name */ + DECL_ANCHOR(nom); + + INIT_ANCHOR(nom); + ADD_INSNL(nom, line, jump, end_label); + ADD_LABEL(nom, fail_label); +# if 0 /* $~ must be MatchData or nil */ + ADD_INSN(nom, line, pop); + ADD_INSN(nom, line, putnil); +# endif + ADD_LABEL(nom, end_label); + (nom->last->next = cap->link.next)->prev = nom->last; + (cap->link.next = nom->anchor.next)->prev = &cap->link; + return; + } +#endif + } + ADD_INSNL(ret, line, jump, end_label); + ADD_LABEL(ret, fail_label); + ADD_INSN(ret, line, pop); + for (vars = node; vars; vars = vars->nd_next) { + last = ret->last; + COMPILE_POPED(ret, "capture", vars->nd_head); + last = last->next; /* putobject :var */ + ((INSN*)last)->insn_id = BIN(putnil); + ((INSN*)last)->operand_size = 0; + } + ADD_LABEL(ret, end_label); +} + /** compile each node @@ -5351,6 +5410,10 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped) ADD_SEND(ret, line, idEqTilde, INT2FIX(1)); } + if (node->nd_args) { + compile_named_capture_assign(iseq, ret, node->nd_args); + } + if (poped) { ADD_INSN(ret, line, pop); } |