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Update the C bindings to build with the current PGF API

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kevin.kofler
2010-05-16 21:09:51 +00:00
parent 218beec02c
commit 2e6512e3fd
4 changed files with 94 additions and 95 deletions
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45
contrib/c-bindings/readme-ffi.txt
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@@ -25,26 +25,25 @@ applications. To use it:
Currently, the following functions from PGF are wrapped:
readPGF :: FilePath -> IO PGF
mkCId :: String -> CId
wildCId :: CId
showCId :: CId -> String
readCId :: String -> Maybe CId
showLanguage :: Language -> String
readLanguage :: String -> Maybe Language
languages :: PGF -> [Language]
languages :: PGF -> [Language]
abstractName :: PGF -> Language
languageCode :: PGF -> Language -> Maybe String
showType :: Type -> String
showType :: Type -> [CId] -> String (*)
readType :: String -> Maybe Type
categories :: PGF -> [Type]
startCat :: PGF -> Type
mkCId :: String -> CId
prCId :: CId -> String
wildCId :: CId
showTree :: Tree -> String
readTree :: String -> Maybe Tree
showExpr :: Expr -> String
categories :: PGF -> [CId]
startCat :: PGF -> Type
showExpr :: Expr -> [CId] -> String (*)
readExpr :: String -> Maybe Expr
linearize :: PGF -> Language -> Tree -> String
showPrintName :: PGF -> Language -> Type -> String
parse :: PGF -> Language -> Type -> String -> [Tree]
canParse :: PGF -> Language -> Bool
linearize :: PGF -> Language -> Tree -> String
showPrintName :: PGF -> Language -> CId -> String
parse :: PGF -> Language -> Type -> String -> [Tree]
(*) The [CId] parameter is currently not mapped; instead, [] is always passed.
Some notes about the wrapping:
@@ -78,6 +77,10 @@ Some notes about the wrapping:
Thus, the C prototypes for the wrapped functions are:
GF_PGF *gf_readPGF(char *path);
GF_CId gf_mkCId(char *str);
GF_CId wildCId(void);
char *gf_showCId(GF_CID cid);
GF_CId gf_readCId(char *str); /* may return NULL */
char *gf_showLanguage(GF_Language lang);
GF_Language gf_readLanguage(char *str); /* may return NULL */
GF_Language *gf_languages(GF_PGF pgf);
@@ -85,29 +88,23 @@ GF_Language gf_abstractName(GF_PGF pgf);
char *gf_languageCode(GF_PGF pgf, GF_Language lang); /* may return NULL */
char *gf_showType(GF_Type tp);
GF_Type gf_readType(char *str); /* may return NULL */
GF_Type *gf_categories(GF_PGF pgf);
GF_CId *gf_categories(GF_PGF pgf);
GF_Type gf_startCat(GF_PGF pgf);
GF_CId gf_mkCId(char *str);
char *gf_prCId(GF_CID cid);
GF_CId wildCId(void);
char *gf_showTree(GF_Tree tree);
GF_Tree gf_readTree(char *str); /* may return NULL */
char *gf_showExpr(GF_Expr expr);
GF_Expr gf_readExpr(char *str); /* may return NULL */
char *gf_linearize(GF_PGF pgf, GF_Language lang, GF_Tree tree);
char *gf_showPrintName(GF_PGF pgf, GF_Language lang, GF_Type tp);
char *gf_showPrintName(GF_PGF pgf, GF_Language lang, GF_CId cid);
GF_Tree *gf_parse(GF_PGF pgf, GF_Language lang, GF_Type cat, char *input);
int gf_canParse(GF_PGF pgf, GF_Language lang); /* returns 0 or 1 */
The C prototypes for the freeing functions are:
void gf_freePGF(GF_PGF pgf);
void gf_freeCId(GF_CId cid);
void gf_freeLanguage(GF_Language lang);
void gf_freeType(GF_Type tp);
void gf_freeCId(GF_CId cid);
void gf_freeTree(GF_Tree tree);
void gf_freeExpr(GF_Expr expr);
void gf_freeCIds(GF_Type *p);
void gf_freeLanguages(GF_Language *p);
void gf_freeTypes(GF_Type *p);
void gf_freeTrees(GF_Tree *p);