diff options
Diffstat (limited to 'compile.c')
| -rw-r--r-- | compile.c | 30 |
1 files changed, 28 insertions, 2 deletions
@@ -3624,8 +3624,34 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped) iseq->compile_data->ensure_node_stack = iseq->compile_data->ensure_node_stack->prev; break; } - case NODE_ITER: - case NODE_FOR:{ + case NODE_FOR: + if (node->nd_var) { + /* massign to var in "for" + * args.length == 1 && Array === (tmp = args[0]) ? tmp : args + */ + NODE *var = node->nd_var; + LABEL *not_single = NEW_LABEL(nd_line(var)); + LABEL *not_ary = NEW_LABEL(nd_line(var)); + COMPILE(ret, "for var", var); + ADD_INSN(ret, line, dup); + ADD_CALL(ret, line, idLength, INT2FIX(0)); + ADD_INSN1(ret, line, putobject, INT2FIX(1)); + ADD_CALL(ret, line, idEq, INT2FIX(1)); + ADD_INSNL(ret, line, branchunless, not_single); + ADD_INSN(ret, line, dup); + ADD_INSN1(ret, line, putobject, INT2FIX(0)); + ADD_CALL(ret, line, idAREF, INT2FIX(1)); + ADD_INSN1(ret, line, putobject, rb_cArray); + ADD_INSN1(ret, line, topn, INT2FIX(1)); + ADD_CALL(ret, line, idEqq, INT2FIX(1)); + ADD_INSNL(ret, line, branchunless, not_ary); + ADD_INSN(ret, line, swap); + ADD_LABEL(ret, not_ary); + ADD_INSN(ret, line, pop); + ADD_LABEL(ret, not_single); + break; + } + case NODE_ITER:{ VALUE prevblock = iseq->compile_data->current_block; LABEL *retry_label = NEW_LABEL(line); LABEL *retry_end_l = NEW_LABEL(line); |