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compile.c: compile_rescue

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* compile.c (compile_rescue): extract from iseq_compile_each.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59667 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-08-27 16:04:26 +00:00
parent 21e4ade56b
commit c1b32b5a1b
1 changed files with 35 additions and 28 deletions
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63
compile.c
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@ -4623,6 +4623,39 @@ compile_retry(rb_iseq_t *iseq, LINK_ANCHOR *const ret, NODE *node, int popped)
return COMPILE_OK;
}
static int
compile_rescue(rb_iseq_t *iseq, LINK_ANCHOR *const ret, NODE *node, int popped)
{
const int line = nd_line(node);
LABEL *lstart = NEW_LABEL(line);
LABEL *lend = NEW_LABEL(line);
LABEL *lcont = NEW_LABEL(line);
const rb_iseq_t *rescue = NEW_CHILD_ISEQ(node->nd_resq,
rb_str_concat(rb_str_new2("rescue in "), iseq->body->location.label),
ISEQ_TYPE_RESCUE, line);
lstart->rescued = LABEL_RESCUE_BEG;
lend->rescued = LABEL_RESCUE_END;
ADD_LABEL(ret, lstart);
CHECK(COMPILE(ret, "rescue head", node->nd_head));
ADD_LABEL(ret, lend);
if (node->nd_else) {
ADD_INSN(ret, line, pop);
CHECK(COMPILE(ret, "rescue else", node->nd_else));
}
ADD_INSN(ret, line, nop);
ADD_LABEL(ret, lcont);
if (popped) {
ADD_INSN(ret, line, pop);
}
/* register catch entry */
ADD_CATCH_ENTRY(CATCH_TYPE_RESCUE, lstart, lend, rescue, lcont);
ADD_CATCH_ENTRY(CATCH_TYPE_RETRY, lend, lcont, NULL, lstart);
return COMPILE_OK;
}
static int iseq_compile_each0(rb_iseq_t *iseq, LINK_ANCHOR *const ret, NODE *node, int popped);
/**
compile each node
@ -4804,35 +4837,9 @@ iseq_compile_each0(rb_iseq_t *iseq, LINK_ANCHOR *const ret, NODE *node, int popp
CHECK(COMPILE_(ret, "NODE_BEGIN", node->nd_body, popped));
break;
}
case NODE_RESCUE:{
LABEL *lstart = NEW_LABEL(line);
LABEL *lend = NEW_LABEL(line);
LABEL *lcont = NEW_LABEL(line);
const rb_iseq_t *rescue = NEW_CHILD_ISEQ(node->nd_resq,
rb_str_concat(rb_str_new2("rescue in "), iseq->body->location.label),
ISEQ_TYPE_RESCUE, line);
lstart->rescued = LABEL_RESCUE_BEG;
lend->rescued = LABEL_RESCUE_END;
ADD_LABEL(ret, lstart);
CHECK(COMPILE(ret, "rescue head", node->nd_head));
ADD_LABEL(ret, lend);
if (node->nd_else) {
ADD_INSN(ret, line, pop);
CHECK(COMPILE(ret, "rescue else", node->nd_else));
}
ADD_INSN(ret, line, nop);
ADD_LABEL(ret, lcont);
if (popped) {
ADD_INSN(ret, line, pop);
}
/* register catch entry */
ADD_CATCH_ENTRY(CATCH_TYPE_RESCUE, lstart, lend, rescue, lcont);
ADD_CATCH_ENTRY(CATCH_TYPE_RETRY, lend, lcont, NULL, lstart);
case NODE_RESCUE:
CHECK(compile_rescue(iseq, ret, node, popped));
break;
}
case NODE_RESBODY:{
NODE *resq = node;
NODE *narg;