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* Make the rejects a bit more compact.

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* Add lexical restrictions for keywords.
This commit is contained in:
Eelco Dolstra 2005-07-16 20:43:58 +00:00
parent 9590009a74
commit 6f91f02f75
1 changed files with 2 additions and 7 deletions
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src/libexpr/nix.sdf
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@ -96,13 +96,7 @@ exports
sorts Id Int Str Path PathComp Uri sorts Id Int Str Path PathComp Uri
lexical syntax lexical syntax
[a-zA-Z\_][a-zA-Z0-9\_\']* -> Id [a-zA-Z\_][a-zA-Z0-9\_\']* -> Id
"rec" -> Id {reject} "rec" | "let" | "if" | "then" | "else" | "assert" | "with" | "inherit" -> Id {reject}
"let" -> Id {reject}
"if" -> Id {reject}
"then" -> Id {reject}
"else" -> Id {reject}
"assert" -> Id {reject}
"inherit" -> Id {reject}
[0-9]+ -> Int [0-9]+ -> Int
@ -120,6 +114,7 @@ exports
Int -/- [0-9] Int -/- [0-9]
Path -/- [a-zA-Z0-9\.\_\-\+\/] Path -/- [a-zA-Z0-9\.\_\-\+\/]
Uri -/- [a-zA-Z0-9\%\/\?\:\@\&\=\+\$\,\-\_\.\!\~\*\'] Uri -/- [a-zA-Z0-9\%\/\?\:\@\&\=\+\$\,\-\_\.\!\~\*\']
"rec" "let" "if" "then" "else" "assert" "with" "inherit" -/- [A-Za-z0-9\_\']
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