diff options
Diffstat (limited to 'src/cmd/gc/dcl.c')
| -rw-r--r-- | src/cmd/gc/dcl.c | 14 |
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++; |