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| author | Ryo Nihei <nihei.dev@gmail.com> | 2021-06-28 01:25:54 +0900 |
|---|---|---|
| committer | Ryo Nihei <nihei.dev@gmail.com> | 2021-06-28 02:59:34 +0900 |
| commit | f4bbd20fb97d6b91c9a53492fd945a4ac7ff4e5f (patch) | |
| tree | d7c34a9521e130c6181e96d904fc02ef922e5991 /spec/syntax_error.go | |
| parent | Add syntax of fragment (diff) | |
| download | urubu-f4bbd20fb97d6b91c9a53492fd945a4ac7ff4e5f.tar.gz urubu-f4bbd20fb97d6b91c9a53492fd945a4ac7ff4e5f.tar.xz | |
Add ast action
Diffstat (limited to 'spec/syntax_error.go')
| -rw-r--r-- | spec/syntax_error.go | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/spec/syntax_error.go b/spec/syntax_error.go index 371ddec..d0e0dc5 100644 --- a/spec/syntax_error.go +++ b/spec/syntax_error.go @@ -21,14 +21,17 @@ var ( synErrUnclosedTerminal = newSyntaxError("unclosed terminal") synErrInvalidEscSeq = newSyntaxError("invalid escape sequence") synErrIncompletedEscSeq = newSyntaxError("incompleted escape sequence; unexpected EOF following \\") + synErrZeroPos = newSyntaxError("a position must be greater than or equal to 1") // syntax errors - synErrInvalidToken = newSyntaxError("invalid token") - synErrNoProduction = newSyntaxError("a grammar must have at least one production") - synErrNoProductionName = newSyntaxError("a production name is missing") - synErrNoColon = newSyntaxError("the colon must precede alternatives") - synErrNoSemicolon = newSyntaxError("the semicolon is missing at the last of an alternative") - synErrNoModifierName = newSyntaxError("a modifier needs a name") - synErrNoActionName = newSyntaxError("an action needs a name") - synErrFragmentNoPattern = newSyntaxError("a fragment needs one pattern element") + synErrInvalidToken = newSyntaxError("invalid token") + synErrNoProduction = newSyntaxError("a grammar must have at least one production") + synErrNoProductionName = newSyntaxError("a production name is missing") + synErrNoColon = newSyntaxError("the colon must precede alternatives") + synErrNoSemicolon = newSyntaxError("the semicolon is missing at the last of an alternative") + synErrNoModifierName = newSyntaxError("a modifier needs a name") + synErrNoActionName = newSyntaxError("an action needs a name") + synErrFragmentNoPattern = newSyntaxError("a fragment needs one pattern element") + synErrTreeInvalidFirstElem = newSyntaxError("the first element of a tree structure must be an ID") + synErrTreeUnclosed = newSyntaxError("unclosed tree structure") ) |