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authorRyo Nihei <nihei.dev@gmail.com>2022-04-16 00:49:58 +0900
committerRyo Nihei <nihei.dev@gmail.com>2022-04-16 00:49:58 +0900
commit389dd0121475bdba7dea54f4cb02287fa48718da (patch)
tree4b2f811a8ce085cef72cdaa54c33d6cc6cb2270f /grammar/semantic_error.go
parentAdd tests for compiler (diff)
downloadurubu-389dd0121475bdba7dea54f4cb02287fa48718da.tar.gz
urubu-389dd0121475bdba7dea54f4cb02287fa48718da.tar.xz
Prohibit specifying associativity and precedence multiple times for a symbol
Diffstat (limited to 'grammar/semantic_error.go')
-rw-r--r--grammar/semantic_error.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/grammar/semantic_error.go b/grammar/semantic_error.go
index 8e5b558..c013cbc 100644
--- a/grammar/semantic_error.go
+++ b/grammar/semantic_error.go
@@ -18,6 +18,7 @@ var (
semErrMDInvalidName = newSemanticError("invalid meta data name")
semErrMDInvalidParam = newSemanticError("invalid parameter")
semErrMDMissingName = newSemanticError("name is missing")
+ semErrDuplicateAssoc = newSemanticError("associativity and precedence cannot be specified multiple times for a symbol")
semErrUnusedProduction = newSemanticError("unused production")
semErrUnusedTerminal = newSemanticError("unused terminal")
semErrTermCannotBeSkipped = newSemanticError("a terminal used in productions cannot be skipped")