diff options
Diffstat (limited to 'src/GF/Compile')
| -rw-r--r-- | src/GF/Compile/Coding.hs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/GF/Compile/Coding.hs b/src/GF/Compile/Coding.hs index a226265c5..704e95201 100644 --- a/src/GF/Compile/Coding.hs +++ b/src/GF/Compile/Coding.hs @@ -48,3 +48,13 @@ codeSourceModule co (id,moi) = case moi of PSeq p q -> PSeq (codp p) (codp q) PAlt p q -> PAlt (codp p) (codp q) _ -> p + +-- | Run an encoding function on all string literals within the given string. +codeStringLiterals :: (String -> String) -> String -> String +codeStringLiterals _ [] = [] +codeStringLiterals co ('"':cs) = '"' : inStringLiteral cs + where inStringLiteral [] = error "codeStringLiterals: unterminated string literal" + inStringLiteral ('"':ds) = '"' : codeStringLiterals co ds + inStringLiteral ('\\':d:ds) = '\\' : co [d] ++ inStringLiteral ds + inStringLiteral (d:ds) = co [d] ++ inStringLiteral ds +codeStringLiterals co (c:cs) = c : codeStringLiterals co cs |