diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/grammar_nanny.nim | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/grammar_nanny.nim b/tools/grammar_nanny.nim index 397041559..5120ef976 100644 --- a/tools/grammar_nanny.nim +++ b/tools/grammar_nanny.nim @@ -4,7 +4,7 @@ import std / [strutils, sets] import ".." / compiler / [ - llstream, ast, lexer, options, msgs, idents, + llstream, lexer, options, msgs, idents, lineinfos, pathutils] proc checkGrammarFileImpl(cache: IdentCache, config: ConfigRef) = @@ -35,6 +35,10 @@ proc checkGrammarFileImpl(cache: IdentCache, config: ConfigRef) = usedSyms.incl word else: rawGetTok(L, tok) + for u in declaredSyms: + if u notin usedSyms: + echo "Unused non-terminal: ", u + for u in usedSyms: if u notin declaredSyms: echo "Undeclared non-terminal: ", u |