[ 1 2 \ + execute( x y -- z a ) ] must-fail
[ \ + execute( x y -- z ) ] must-infer
+: compile-execute(-test-1 ( a b -- c ) \ + execute( a b -- c ) ;
+
+[ t ] [ \ compile-execute(-test-1 optimized>> ] unit-test
+[ 4 ] [ 1 3 compile-execute(-test-1 ] unit-test
+
+: compile-execute(-test-2 ( a b w -- c ) execute( a b -- c ) ;
+
+[ t ] [ \ compile-execute(-test-2 optimized>> ] unit-test
+[ 4 ] [ 1 3 \ + compile-execute(-test-2 ] unit-test
+[ 5 ] [ 1 4 \ + compile-execute(-test-2 ] unit-test
+[ -3 ] [ 1 4 \ - compile-execute(-test-2 ] unit-test
+[ 5 ] [ 1 4 \ + compile-execute(-test-2 ] unit-test
+
[ t ] [ \ + (( a b -- c )) execute-effect-unsafe? ] unit-test
[ t ] [ \ + (( a b c -- d e )) execute-effect-unsafe? ] unit-test
[ f ] [ \ + (( a b c -- d )) execute-effect-unsafe? ] unit-test
[ f ] [ \ call (( x -- )) execute-effect-unsafe? ] unit-test
-
-: compile-execute(-test ( a b -- c ) \ + execute( a b -- c ) ;
-
-[ t ] [ \ compile-execute(-test optimized>> ] unit-test
-[ 4 ] [ 1 3 compile-execute(-test ] unit-test
\ No newline at end of file
-! Copyright (C) 2009 Daniel Ehrenberg.
+! Copyright (C) 2009 Daniel Ehrenberg, Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
-USING: kernel macros fry summary sequences generalizations accessors
-continuations effects effects.parser parser words ;
+USING: kernel macros fry summary sequences sequences.private
+generalizations accessors continuations effects effects.parser
+parser words ;
IN: call
ERROR: wrong-values values quot length-required ;
: firstn-safe ( array quot n -- ... )
3dup nip swap length = [ nip firstn ] [ wrong-values ] if ; inline
-: execute-effect-unsafe ( word effect -- )
- drop execute ;
-
-: execute-effect-unsafe? ( word effect -- ? )
- swap dup optimized>> [ stack-effect swap effect<= ] [ 2drop f ] if ; inline
-
: parse-call( ( accum word -- accum )
[ ")" parse-effect parsed ] dip parsed ;
-: execute-unsafe( \ execute-effect-unsafe parse-call( ; parsing
-
PRIVATE>
MACRO: call-effect ( effect -- quot )
: call( \ call-effect parse-call( ; parsing
-: execute-effect ( word effect -- )
- 2dup execute-effect-unsafe?
- [ execute-effect-unsafe ]
- [ [ [ execute ] curry ] dip call-effect ]
- if ; inline
+<PRIVATE
+
+: execute-effect-unsafe ( word effect -- )
+ drop execute ;
+
+: execute-unsafe( \ execute-effect-unsafe parse-call( ; parsing
+
+: execute-effect-slow ( word effect -- )
+ [ [ execute ] curry ] dip call-effect ; inline
+
+: cache-hit? ( word ic -- ? ) first-unsafe eq? ; inline
+
+: cache-hit ( word effect ic -- ) drop execute-effect-unsafe ; inline
+
+: execute-effect-unsafe? ( word effect -- ? )
+ over optimized>> [ [ stack-effect ] dip effect<= ] [ 2drop f ] if ; inline
+
+: cache-miss ( word effect ic -- )
+ [ 2dup execute-effect-unsafe? ] dip
+ '[ [ drop _ set-first ] [ execute-effect-unsafe ] 2bi ]
+ [ execute-effect-slow ] if ; inline
+
+: execute-effect-ic ( word effect ic -- )
+ #! ic is a mutable cell { effect }
+ 3dup nip cache-hit? [ cache-hit ] [ cache-miss ] if ; inline
+
+PRIVATE>
+
+MACRO: execute-effect ( effect -- )
+ { f } clone '[ _ _ execute-effect-ic ] ;
: execute( \ execute-effect parse-call( ; parsing