diff options
Diffstat (limited to 'parse.y')
-rw-r--r-- | parse.y | 27 |
1 files changed, 24 insertions, 3 deletions
@@ -1481,7 +1481,8 @@ primary : literal } | tLPAREN compstmt ')' { - $$ = $2; + if (!$2) $$ = NEW_NIL(); + else $$ = $2; } | primary_value tCOLON2 tCONSTANT { @@ -4865,6 +4866,8 @@ gettable(id) return 0; } +static VALUE dyna_var_lookup _((ID id)); + static NODE* assignable(id, val) ID id; @@ -4893,7 +4896,7 @@ assignable(id, val) if (rb_dvar_curr(id)) { return NEW_DASGN_CURR(id, val); } - else if (rb_dvar_defined(id)) { + else if (dyna_var_lookup(id)) { return NEW_DASGN(id, val); } else if (local_id(id) || !dyna_in_block()) { @@ -5735,6 +5738,22 @@ top_local_setup() local_pop(); } +static VALUE +dyna_var_lookup(id) + ID id; +{ + struct RVarmap *vars = ruby_dyna_vars; + + while (vars) { + if (vars->id == id) { + vars->val = Qtrue; + return Qtrue; + } + vars = vars->next; + } + return Qfalse; +} + static struct RVarmap* dyna_push() { @@ -5769,7 +5788,9 @@ dyna_init(node, pre) if (!node || !post || pre == post) return node; for (var = 0; post != pre && post->id; post = post->next) { - var = NEW_DASGN_CURR(post->id, var); + if (RTEST(post->val)) { + var = NEW_DASGN_CURR(post->id, var); + } } return block_append(var, node); } |