summaryrefslogtreecommitdiff
path: root/src/cmd/gc/dcl.c
diff options
context:
space:
mode:
authorTianon Gravi <admwiggin@gmail.com>2015-01-15 11:54:00 -0700
committerTianon Gravi <admwiggin@gmail.com>2015-01-15 11:54:00 -0700
commitf154da9e12608589e8d5f0508f908a0c3e88a1bb (patch)
treef8255d51e10c6f1e0ed69702200b966c9556a431 /src/cmd/gc/dcl.c
parent8d8329ed5dfb9622c82a9fbec6fd99a580f9c9f6 (diff)
downloadgolang-upstream/1.4.tar.gz
Imported Upstream version 1.4upstream/1.4
Diffstat (limited to 'src/cmd/gc/dcl.c')
-rw-r--r--src/cmd/gc/dcl.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/cmd/gc/dcl.c b/src/cmd/gc/dcl.c
index 73c2581be..dfcf47520 100644
--- a/src/cmd/gc/dcl.c
+++ b/src/cmd/gc/dcl.c
@@ -488,6 +488,10 @@ colasdefn(NodeList *left, Node *defn)
NodeList *l;
Node *n;
+ for(l=left; l; l=l->next)
+ if(l->n->sym != S)
+ l->n->sym->flags |= SymUniq;
+
nnew = 0;
nerr = 0;
for(l=left; l; l=l->next) {
@@ -499,6 +503,13 @@ colasdefn(NodeList *left, Node *defn)
nerr++;
continue;
}
+ if((n->sym->flags & SymUniq) == 0) {
+ yyerrorl(defn->lineno, "%S repeated on left side of :=", n->sym);
+ n->diag++;
+ nerr++;
+ continue;
+ }
+ n->sym->flags &= ~SymUniq;
if(n->sym->block == block)
continue;
@@ -547,6 +558,9 @@ ifacedcl(Node *n)
if(n->op != ODCLFIELD || n->right == N)
fatal("ifacedcl");
+ if(isblank(n->left))
+ yyerror("methods must have a unique non-blank name");
+
dclcontext = PPARAM;
markdcl();
funcdepth++;