49 lines
1.4 KiB
Factor
49 lines
1.4 KiB
Factor
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! Copyright (C) 2010 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien.c-types alien.data byte-arrays continuations fry
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io.encodings.string io.encodings.utf8 io.files
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javascriptcore.ffi javascriptcore.ffi.hack kernel namespaces
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sequences ;
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IN: javascriptcore
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ERROR: javascriptcore-error error ;
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SYMBOL: js-context
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: with-global-context ( quot -- )
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[
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[ f JSGlobalContextCreate dup js-context set ] dip
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[ nip '[ @ ] ]
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[ drop '[ _ JSGlobalContextRelease ] ] 2bi
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[ ] cleanup
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] with-scope ; inline
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: with-javascriptcore ( quot -- )
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set-callstack-bounds
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with-global-context ; inline
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: JSString>string ( JSString -- string )
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dup JSStringGetMaximumUTF8CStringSize [ <byte-array> ] keep
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[ JSStringGetUTF8CString drop ] [ drop ] 2bi
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utf8 decode [ 0 = ] trim-tail ;
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: JSValueRef>string ( ctx JSValueRef/f -- string/f )
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[
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f JSValueToStringCopy
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[ JSString>string ] [ JSStringRelease ] bi
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] [
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drop f
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] if* ;
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: eval-js ( string -- result-string )
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[ js-context get dup ] dip
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JSStringCreateWithUTF8CString f f 0
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{ { void* initial: f } } [ JSEvaluateScript ] with-out-parameters
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dup [ nip JSValueRef>string javascriptcore-error ] [ drop JSValueRef>string ] if ;
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: eval-js-standalone ( string -- result-string )
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'[ _ eval-js ] with-javascriptcore ;
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: eval-js-path-standalone ( path -- result-string ) utf8 file-contents eval-js-standalone ;
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