mirrors/Nim
1
0
Fork 0
mirror of https://github.com/nim-lang/Nim.git synced 2026-07-29 03:37:55 +00:00
Code Issues Packages Projects Releases Wiki Activity

followup #18711 grammar_nanny now reports unused non-terminals (#18746)

Browse Source 
* followup #18711 cleanup unused grammar rules

* make tools/grammar_nanny.nim report unused terminals

* revert removal of some grammar comments
This commit is contained in:
Timothee Cour
2021-08-25 22:04:18 -07:00
committed by GitHub
parent c70e4040bd
commit 98f7254fb2
1 changed files with 5 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
tools/grammar_nanny.nim
View File

@@ -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