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Bug #2729
» rewrite-dfp-in-errinfo.txt
ktsj (Kazuki Tsujimoto)
, 07/31/2011 10:58 AM
diff --git a/vm.c b/vm.c
index 3c1e8b4..63514f5 100644
--- a/vm.c
+++ b/vm.c
@@ -415,6 +415,23 @@ vm_make_env_each(rb_thread_t * const th, rb_control_frame_t * const cfp,
if (!RUBY_VM_NORMAL_ISEQ_P(cfp->iseq)) {
/* TODO */
env->block.iseq = 0;
+ } else {
+ /* rewrite dfp in errinfo to point to heap */
+ if (cfp->iseq->type == ISEQ_TYPE_RESCUE ||
+ cfp->iseq->type == ISEQ_TYPE_ENSURE) {
+ VALUE errinfo = env->env[0]; /* #$! */
+ if (RB_TYPE_P(errinfo, T_NODE)) {
+ VALUE *escape_dfp = GET_THROWOBJ_CATCH_POINT(errinfo);
+ if (! ENV_IN_HEAP_P(th, escape_dfp)) {
+ VALUE dfpval = *escape_dfp;
+ if (CLASS_OF(dfpval) == rb_cEnv) {
+ rb_env_t *dfpenv;
+ GetEnvPtr(dfpval, dfpenv);
+ SET_THROWOBJ_CATCH_POINT(errinfo, (VALUE)(dfpenv->env + dfpenv->local_size));
+ }
+ }
+ }
+ }
}
return envval;
}
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