-! Copyright (C) 2008, 2009 Slava Pestov, Doug Coleman.
+! Copyright (C) 2008, 2010 Slava Pestov, Doug Coleman, Joe Groff.
! See http://factorcode.org/license.txt for BSD license.
-USING: accessors alien alien.c-types alien.parser
-alien.libraries arrays assocs classes combinators
-combinators.short-circuit compiler.units effects grouping
-kernel parser sequences splitting words fry locals lexer
-namespaces summary math vocabs.parser ;
+USING: accessors alien alien.c-types alien.libraries arrays
+assocs classes combinators combinators.short-circuit
+compiler.units effects grouping kernel parser sequences
+splitting words fry locals lexer namespaces summary math
+vocabs.parser words.constant ;
IN: alien.parser
+SYMBOL: current-library
+
: parse-c-type-name ( name -- word )
dup search [ ] [ no-word ] ?if ;
{
{ [ dup "void" = ] [ drop void ] }
{ [ CHAR: ] over member? ] [ parse-array-type parse-c-type-name prefix ] }
- { [ dup search ] [ parse-c-type-name ] }
{ [ "*" ?tail ] [ (parse-c-type) <pointer> ] }
+ { [ dup search ] [ parse-c-type-name ] }
[ dup search [ ] [ no-word ] ?if ]
} cond ;
[ dup [ forget-class ] [ { "struct-size" } reset-props ] bi ] when
{
"c-type"
- "pointer-c-type"
"callback-effect"
"callback-library"
} reset-props ;
-: CREATE-C-TYPE ( -- word )
- scan current-vocab create {
+ERROR: *-in-c-type-name name ;
+
+: validate-c-type-name ( name -- name )
+ dup "*" tail?
+ [ *-in-c-type-name ] when ;
+
+: (CREATE-C-TYPE) ( word -- word )
+ validate-c-type-name current-vocab create {
[ fake-definition ]
[ set-word ]
[ reset-c-type ]
[ ]
} cleave ;
-: normalize-c-arg ( type name -- type' name' )
- [ length ]
- [
- [ CHAR: * = ] trim-head
- [ length - CHAR: * <array> append ] keep
- ] bi
- [ parse-c-type ] dip ;
-
-: parse-arglist ( parameters return -- types effect )
- [
- 2 group [ first2 normalize-c-arg 2array ] map
- unzip [ "," ?tail drop ] map
- ]
- [ [ { } ] [ 1array ] if-void ]
- bi* <effect> ;
+: CREATE-C-TYPE ( -- word )
+ scan (CREATE-C-TYPE) ;
+
+<PRIVATE
+GENERIC: return-type-name ( type -- name )
+
+M: object return-type-name drop "void" ;
+M: word return-type-name name>> ;
+M: pointer return-type-name to>> return-type-name CHAR: * suffix ;
+
+: parse-pointers ( type name -- type' name' )
+ "*" ?head
+ [ [ <pointer> ] dip parse-pointers ] when ;
+
+: next-enum-member ( members name value -- members value' )
+ [ 2array suffix! ] [ 1 + ] bi ;
+
+: parse-enum-name ( -- name )
+ scan (CREATE-C-TYPE) dup save-location ;
+
+: parse-enum-base-type ( -- base-type token )
+ scan dup "<" =
+ [ drop scan-object scan ]
+ [ [ int ] dip ] if ;
+
+: parse-enum-member ( members name value -- members value' )
+ over "{" =
+ [ 2drop scan create-in scan-object next-enum-member "}" expect ]
+ [ [ create-in ] dip next-enum-member ] if ;
+
+: parse-enum-members ( members counter token -- members )
+ dup ";" = not
+ [ swap parse-enum-member scan parse-enum-members ] [ 2drop ] if ;
+
+PRIVATE>
+
+: parse-enum ( -- name base-type members )
+ parse-enum-name
+ parse-enum-base-type
+ [ V{ } clone 0 ] dip parse-enum-members ;
+
+: scan-function-name ( -- return function )
+ scan-c-type scan parse-pointers ;
+
+:: (scan-c-args) ( end-marker types names -- )
+ scan :> type-str
+ type-str end-marker = [
+ type-str { "(" ")" } member? [
+ type-str parse-c-type :> type
+ scan "," ?tail drop :> name
+ type name parse-pointers :> ( type' name' )
+ type' types push name' names push
+ ] unless
+ end-marker types names (scan-c-args)
+ ] unless ;
+
+: scan-c-args ( end-marker -- types names )
+ V{ } clone V{ } clone [ (scan-c-args) ] 2keep [ >array ] bi@ ;
: function-quot ( return library function types -- quot )
'[ _ _ _ _ alien-invoke ] ;
-:: make-function ( return! library function! parameters -- word quot effect )
- return function normalize-c-arg function! return!
- function create-in dup reset-generic
- return library function
- parameters return parse-arglist [ function-quot ] dip ;
+: function-effect ( names return -- effect )
+ [ { } ] [ return-type-name 1array ] if-void <effect> ;
-: parse-arg-tokens ( -- tokens )
- ";" parse-tokens [ "()" subseq? not ] filter ;
+: create-function ( name -- word )
+ create-in dup reset-generic ;
-: (FUNCTION:) ( -- word quot effect )
- scan "c-library" get scan parse-arg-tokens make-function ;
+:: (make-function) ( return function library types names -- quot effect )
+ return library function types function-quot
+ names return function-effect ;
-: define-function ( return library function parameters -- )
- make-function define-declared ;
+:: make-function ( return function library types names -- word quot effect )
+ function create-function
+ return function library types names (make-function) ;
-: callback-quot ( return types abi -- quot )
- [ [ ] 3curry dip alien-callback ] 3curry ;
+: (FUNCTION:) ( -- return function library types names )
+ scan-function-name current-library get ";" scan-c-args ;
-: library-abi ( lib -- abi )
- library [ abi>> ] [ "cdecl" ] if* ;
+: callback-quot ( return types abi -- quot )
+ '[ [ _ _ _ ] dip alien-callback ] ;
-:: make-callback-type ( lib return! type-name! parameters -- word quot effect )
- return type-name normalize-c-arg type-name! return!
+:: make-callback-type ( lib return type-name types names -- word quot effect )
type-name current-vocab create :> type-word
type-word [ reset-generic ] [ reset-c-type ] bi
void* type-word typedef
- parameters return parse-arglist :> ( types callback-effect )
- type-word callback-effect "callback-effect" set-word-prop
+ type-word names return function-effect "callback-effect" set-word-prop
type-word lib "callback-library" set-word-prop
type-word return types lib library-abi callback-quot (( quot -- alien )) ;
: (CALLBACK:) ( -- word quot effect )
- "c-library" get
- scan scan parse-arg-tokens make-callback-type ;
+ current-library get
+ scan-function-name ";" scan-c-args make-callback-type ;
-PREDICATE: alien-function-word < word
+PREDICATE: alien-function-alias-word < word
def>> {
[ length 5 = ]
[ last \ alien-invoke eq? ]
} 1&& ;
+PREDICATE: alien-function-word < alien-function-alias-word
+ [ def>> third ] [ name>> ] bi = ;
+
PREDICATE: alien-callback-type-word < typedef-word
"callback-effect" word-prop ;
+: global-quot ( type word -- quot )
+ name>> current-library get '[ _ _ address-of 0 ]
+ swap c-type-getter-boxer append ;
+
+: define-global ( type word -- )
+ [ nip ] [ global-quot ] 2bi (( -- value )) define-declared ;
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