--- /dev/null
+! Copyright (C) 2009 Jeremy Hughes.
+! See http://factorcode.org/license.txt for BSD license.
+USING: accessors alien alien.c-types alien.inline.types
+alien.marshall.private alien.strings byte-arrays classes
+combinators combinators.short-circuit destructors fry
+io.encodings.utf8 kernel libc sequences alien.data
+specialized-arrays strings unix.utilities vocabs.parser
+words libc.private locals generalizations math ;
+FROM: alien.c-types => float short ;
+SPECIALIZED-ARRAY: bool
+SPECIALIZED-ARRAY: char
+SPECIALIZED-ARRAY: double
+SPECIALIZED-ARRAY: float
+SPECIALIZED-ARRAY: int
+SPECIALIZED-ARRAY: long
+SPECIALIZED-ARRAY: longlong
+SPECIALIZED-ARRAY: short
+SPECIALIZED-ARRAY: uchar
+SPECIALIZED-ARRAY: uint
+SPECIALIZED-ARRAY: ulong
+SPECIALIZED-ARRAY: ulonglong
+SPECIALIZED-ARRAY: ushort
+SPECIALIZED-ARRAY: void*
+IN: alien.marshall
+
+<< primitive-types [ [ void* = ] [ bool = ] bi or not ]
+filter [ define-primitive-marshallers ] each >>
+
+TUPLE: alien-wrapper { underlying alien } ;
+TUPLE: struct-wrapper < alien-wrapper disposed ;
+TUPLE: class-wrapper < alien-wrapper disposed ;
+
+MIXIN: c++-root
+
+GENERIC: unmarshall-cast ( alien-wrapper -- alien-wrapper' )
+
+M: alien-wrapper unmarshall-cast ;
+M: struct-wrapper unmarshall-cast ;
+
+M: struct-wrapper dispose* underlying>> free ;
+
+M: class-wrapper c++-type class name>> parse-c++-type ;
+
+: marshall-pointer ( obj -- alien )
+ {
+ { [ dup alien? ] [ ] }
+ { [ dup not ] [ ] }
+ { [ dup byte-array? ] [ malloc-byte-array ] }
+ { [ dup alien-wrapper? ] [ underlying>> ] }
+ } cond ;
+
+: marshall-primitive ( n -- n )
+ [ bool>arg ] ptr-pass-through ;
+
+ALIAS: marshall-void* marshall-pointer
+
+: marshall-void** ( seq -- alien )
+ [ marshall-void* ] void*-array{ } map-as malloc-underlying ;
+
+: (marshall-char*-or-string) ( n/string -- alien )
+ dup string?
+ [ utf8 string>alien malloc-byte-array ]
+ [ (marshall-char*) ] if ;
+
+: marshall-char*-or-string ( n/string -- alien )
+ [ (marshall-char*-or-string) ] ptr-pass-through ;
+
+: (marshall-char**-or-strings) ( seq -- alien )
+ [ marshall-char*-or-string ] void*-array{ } map-as
+ malloc-underlying ;
+
+: marshall-char**-or-strings ( seq -- alien )
+ [ (marshall-char**-or-strings) ] ptr-pass-through ;
+
+: marshall-bool ( ? -- n )
+ >boolean [ 1 ] [ 0 ] if ;
+
+: (marshall-bool*) ( ?/seq -- alien )
+ [ marshall-bool <bool> malloc-byte-array ]
+ [ >bool-array malloc-underlying ]
+ marshall-x* ;
+
+: marshall-bool* ( ?/seq -- alien )
+ [ (marshall-bool*) ] ptr-pass-through ;
+
+: (marshall-bool**) ( seq -- alien )
+ [ marshall-bool* ] map >void*-array malloc-underlying ;
+
+: marshall-bool** ( seq -- alien )
+ [ (marshall-bool**) ] ptr-pass-through ;
+
+: unmarshall-bool ( n -- ? )
+ 0 = not ;
+
+: unmarshall-bool* ( alien -- ? )
+ *bool unmarshall-bool ;
+
+: unmarshall-bool*-free ( alien -- ? )
+ [ *bool unmarshall-bool ] keep add-malloc free ;
+
+: primitive-marshaller ( type -- quot/f )
+ {
+ { "bool" [ [ ] ] }
+ { "boolean" [ [ marshall-bool ] ] }
+ { "char" [ [ marshall-primitive ] ] }
+ { "uchar" [ [ marshall-primitive ] ] }
+ { "short" [ [ marshall-primitive ] ] }
+ { "ushort" [ [ marshall-primitive ] ] }
+ { "int" [ [ marshall-primitive ] ] }
+ { "uint" [ [ marshall-primitive ] ] }
+ { "long" [ [ marshall-primitive ] ] }
+ { "ulong" [ [ marshall-primitive ] ] }
+ { "long" [ [ marshall-primitive ] ] }
+ { "ulong" [ [ marshall-primitive ] ] }
+ { "float" [ [ marshall-primitive ] ] }
+ { "double" [ [ marshall-primitive ] ] }
+ { "bool*" [ [ marshall-bool* ] ] }
+ { "boolean*" [ [ marshall-bool* ] ] }
+ { "char*" [ [ marshall-char*-or-string ] ] }
+ { "uchar*" [ [ marshall-uchar* ] ] }
+ { "short*" [ [ marshall-short* ] ] }
+ { "ushort*" [ [ marshall-ushort* ] ] }
+ { "int*" [ [ marshall-int* ] ] }
+ { "uint*" [ [ marshall-uint* ] ] }
+ { "long*" [ [ marshall-long* ] ] }
+ { "ulong*" [ [ marshall-ulong* ] ] }
+ { "longlong*" [ [ marshall-longlong* ] ] }
+ { "ulonglong*" [ [ marshall-ulonglong* ] ] }
+ { "float*" [ [ marshall-float* ] ] }
+ { "double*" [ [ marshall-double* ] ] }
+ { "bool&" [ [ marshall-bool* ] ] }
+ { "boolean&" [ [ marshall-bool* ] ] }
+ { "char&" [ [ marshall-char* ] ] }
+ { "uchar&" [ [ marshall-uchar* ] ] }
+ { "short&" [ [ marshall-short* ] ] }
+ { "ushort&" [ [ marshall-ushort* ] ] }
+ { "int&" [ [ marshall-int* ] ] }
+ { "uint&" [ [ marshall-uint* ] ] }
+ { "long&" [ [ marshall-long* ] ] }
+ { "ulong&" [ [ marshall-ulong* ] ] }
+ { "longlong&" [ [ marshall-longlong* ] ] }
+ { "ulonglong&" [ [ marshall-ulonglong* ] ] }
+ { "float&" [ [ marshall-float* ] ] }
+ { "double&" [ [ marshall-double* ] ] }
+ { "void*" [ [ marshall-void* ] ] }
+ { "bool**" [ [ marshall-bool** ] ] }
+ { "boolean**" [ [ marshall-bool** ] ] }
+ { "char**" [ [ marshall-char**-or-strings ] ] }
+ { "uchar**" [ [ marshall-uchar** ] ] }
+ { "short**" [ [ marshall-short** ] ] }
+ { "ushort**" [ [ marshall-ushort** ] ] }
+ { "int**" [ [ marshall-int** ] ] }
+ { "uint**" [ [ marshall-uint** ] ] }
+ { "long**" [ [ marshall-long** ] ] }
+ { "ulong**" [ [ marshall-ulong** ] ] }
+ { "longlong**" [ [ marshall-longlong** ] ] }
+ { "ulonglong**" [ [ marshall-ulonglong** ] ] }
+ { "float**" [ [ marshall-float** ] ] }
+ { "double**" [ [ marshall-double** ] ] }
+ { "void**" [ [ marshall-void** ] ] }
+ [ drop f ]
+ } case ;
+
+: marshall-non-pointer ( alien-wrapper/byte-array -- byte-array )
+ {
+ { [ dup byte-array? ] [ ] }
+ { [ dup alien-wrapper? ]
+ [ [ underlying>> ] [ class name>> heap-size ] bi
+ memory>byte-array ] }
+ } cond ;
+
+
+: marshaller ( type -- quot )
+ factorize-type dup primitive-marshaller [ nip ] [
+ pointer?
+ [ [ marshall-pointer ] ]
+ [ [ marshall-non-pointer ] ] if
+ ] if* ;
+
+
+: unmarshall-char*-to-string ( alien -- string )
+ utf8 alien>string ;
+
+: unmarshall-char*-to-string-free ( alien -- string )
+ [ unmarshall-char*-to-string ] keep add-malloc free ;
+
+: primitive-unmarshaller ( type -- quot/f )
+ {
+ { "bool" [ [ ] ] }
+ { "boolean" [ [ unmarshall-bool ] ] }
+ { "char" [ [ ] ] }
+ { "uchar" [ [ ] ] }
+ { "short" [ [ ] ] }
+ { "ushort" [ [ ] ] }
+ { "int" [ [ ] ] }
+ { "uint" [ [ ] ] }
+ { "long" [ [ ] ] }
+ { "ulong" [ [ ] ] }
+ { "longlong" [ [ ] ] }
+ { "ulonglong" [ [ ] ] }
+ { "float" [ [ ] ] }
+ { "double" [ [ ] ] }
+ { "bool*" [ [ unmarshall-bool*-free ] ] }
+ { "boolean*" [ [ unmarshall-bool*-free ] ] }
+ { "char*" [ [ ] ] }
+ { "uchar*" [ [ unmarshall-uchar*-free ] ] }
+ { "short*" [ [ unmarshall-short*-free ] ] }
+ { "ushort*" [ [ unmarshall-ushort*-free ] ] }
+ { "int*" [ [ unmarshall-int*-free ] ] }
+ { "uint*" [ [ unmarshall-uint*-free ] ] }
+ { "long*" [ [ unmarshall-long*-free ] ] }
+ { "ulong*" [ [ unmarshall-ulong*-free ] ] }
+ { "longlong*" [ [ unmarshall-long*-free ] ] }
+ { "ulonglong*" [ [ unmarshall-ulong*-free ] ] }
+ { "float*" [ [ unmarshall-float*-free ] ] }
+ { "double*" [ [ unmarshall-double*-free ] ] }
+ { "bool&" [ [ unmarshall-bool*-free ] ] }
+ { "boolean&" [ [ unmarshall-bool*-free ] ] }
+ { "char&" [ [ ] ] }
+ { "uchar&" [ [ unmarshall-uchar*-free ] ] }
+ { "short&" [ [ unmarshall-short*-free ] ] }
+ { "ushort&" [ [ unmarshall-ushort*-free ] ] }
+ { "int&" [ [ unmarshall-int*-free ] ] }
+ { "uint&" [ [ unmarshall-uint*-free ] ] }
+ { "long&" [ [ unmarshall-long*-free ] ] }
+ { "ulong&" [ [ unmarshall-ulong*-free ] ] }
+ { "longlong&" [ [ unmarshall-longlong*-free ] ] }
+ { "ulonglong&" [ [ unmarshall-ulonglong*-free ] ] }
+ { "float&" [ [ unmarshall-float*-free ] ] }
+ { "double&" [ [ unmarshall-double*-free ] ] }
+ [ drop f ]
+ } case ;
+
+: struct-primitive-unmarshaller ( type -- quot/f )
+ {
+ { "bool" [ [ unmarshall-bool ] ] }
+ { "boolean" [ [ unmarshall-bool ] ] }
+ { "char" [ [ ] ] }
+ { "uchar" [ [ ] ] }
+ { "short" [ [ ] ] }
+ { "ushort" [ [ ] ] }
+ { "int" [ [ ] ] }
+ { "uint" [ [ ] ] }
+ { "long" [ [ ] ] }
+ { "ulong" [ [ ] ] }
+ { "longlong" [ [ ] ] }
+ { "ulonglong" [ [ ] ] }
+ { "float" [ [ ] ] }
+ { "double" [ [ ] ] }
+ { "bool*" [ [ unmarshall-bool* ] ] }
+ { "boolean*" [ [ unmarshall-bool* ] ] }
+ { "char*" [ [ ] ] }
+ { "uchar*" [ [ unmarshall-uchar* ] ] }
+ { "short*" [ [ unmarshall-short* ] ] }
+ { "ushort*" [ [ unmarshall-ushort* ] ] }
+ { "int*" [ [ unmarshall-int* ] ] }
+ { "uint*" [ [ unmarshall-uint* ] ] }
+ { "long*" [ [ unmarshall-long* ] ] }
+ { "ulong*" [ [ unmarshall-ulong* ] ] }
+ { "longlong*" [ [ unmarshall-long* ] ] }
+ { "ulonglong*" [ [ unmarshall-ulong* ] ] }
+ { "float*" [ [ unmarshall-float* ] ] }
+ { "double*" [ [ unmarshall-double* ] ] }
+ { "bool&" [ [ unmarshall-bool* ] ] }
+ { "boolean&" [ [ unmarshall-bool* ] ] }
+ { "char&" [ [ unmarshall-char* ] ] }
+ { "uchar&" [ [ unmarshall-uchar* ] ] }
+ { "short&" [ [ unmarshall-short* ] ] }
+ { "ushort&" [ [ unmarshall-ushort* ] ] }
+ { "int&" [ [ unmarshall-int* ] ] }
+ { "uint&" [ [ unmarshall-uint* ] ] }
+ { "long&" [ [ unmarshall-long* ] ] }
+ { "ulong&" [ [ unmarshall-ulong* ] ] }
+ { "longlong&" [ [ unmarshall-longlong* ] ] }
+ { "ulonglong&" [ [ unmarshall-ulonglong* ] ] }
+ { "float&" [ [ unmarshall-float* ] ] }
+ { "double&" [ [ unmarshall-double* ] ] }
+ [ drop f ]
+ } case ;
+
+
+: ?malloc-byte-array ( c-type -- alien )
+ dup alien? [ malloc-byte-array ] unless ;
+
+:: x-unmarshaller ( type type-quot superclass def clean -- quot/f )
+ type type-quot call current-vocab lookup [
+ dup superclasses superclass swap member?
+ [ def call ] [ drop clean call f ] if
+ ] [ clean call f ] if* ; inline
+
+: struct-unmarshaller ( type -- quot/f )
+ [ ] \ struct-wrapper
+ [ '[ ?malloc-byte-array _ new swap >>underlying ] ]
+ [ ]
+ x-unmarshaller ;
+
+: class-unmarshaller ( type -- quot/f )
+ [ type-sans-pointer "#" append ] \ class-wrapper
+ [ '[ _ new swap >>underlying ] ]
+ [ ]
+ x-unmarshaller ;
+
+: non-primitive-unmarshaller ( type -- quot/f )
+ {
+ { [ dup pointer? ] [ class-unmarshaller ] }
+ [ struct-unmarshaller ]
+ } cond ;
+
+: unmarshaller ( type -- quot )
+ factorize-type {
+ [ primitive-unmarshaller ]
+ [ non-primitive-unmarshaller ]
+ [ drop [ ] ]
+ } 1|| ;
+
+: struct-field-unmarshaller ( type -- quot )
+ factorize-type {
+ [ struct-primitive-unmarshaller ]
+ [ non-primitive-unmarshaller ]
+ [ drop [ ] ]
+ } 1|| ;
+
+: out-arg-unmarshaller ( type -- quot )
+ dup pointer-to-non-const-primitive?
+ [ factorize-type primitive-unmarshaller ]
+ [ drop [ drop ] ] if ;
projects / factor-unmaintained.git / blobdiff