114 lines
3.7 KiB
Factor
114 lines
3.7 KiB
Factor
! :folding=indent:collapseFolds=1:
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! $Id$
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!
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! Copyright (C) 2003, 2004 Slava Pestov.
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions are met:
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!
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! 1. Redistributions of source code must retain the above copyright notice,
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! this list of conditions and the following disclaimer.
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!
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! 2. Redistributions in binary form must reproduce the above copyright notice,
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! this list of conditions and the following disclaimer in the documentation
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! and/or other materials provided with the distribution.
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!
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! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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IN: kernel
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: word ( -- word )
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! Pushes most recently defined word.
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interpreter "factor.FactorInterpreter" "last" jvar-get ;
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: inline ( -- )
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#! Marks the most recently defined word to be inlined.
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t word "factor.FactorWord" "inline" jvar-set ;
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: interpret-only ( -- )
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#! Marks the most recently defined word as an interpret-only word;
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#! attempting to compile it will raise an error.
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t word "factor.FactorWord" "interpretOnly" jvar-set ;
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: hashcode ( obj -- hashcode )
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#! If two objects are =, they must have equal hashcodes.
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[ ] "java.lang.Object" "hashCode" jinvoke ;
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: eq? ( a b -- ? )
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#! Returns true if a and b are the same object.
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[ "java.lang.Object" "java.lang.Object" ]
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"factor.FactorLib" "eq" jinvoke-static ;
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: = ( a b -- ? )
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#! Push t if a is isomorphic to b.
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[ "java.lang.Object" "java.lang.Object" ]
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"factor.FactorLib" "equal" jinvoke-static ;
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: class-of ( obj -- class )
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[ ] "java.lang.Object" "getClass" jinvoke
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[ ] "java.lang.Class" "getName" jinvoke ;
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: is ( obj class -- boolean )
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! Like "instanceof" in Java.
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[ "java.lang.Object" ] "java.lang.Class" "isInstance"
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jinvoke ;
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: clone ( obj -- obj )
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[ ] "factor.PublicCloneable" "clone" jinvoke ;
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: toplevel ( -- )
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interpreter
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[ ] "factor.FactorInterpreter" "topLevel" jinvoke ;
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: exec ( args -- exitCode )
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[ [ "java.lang.String" ] ] "factor.FactorLib" "exec"
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jinvoke-static ;
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: exit* ( code -- )
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[ "int" ] "java.lang.System" "exit" jinvoke-static ;
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: garbage-collection ( -- )
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[ ] "java.lang.System" "gc" jinvoke-static ;
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IN: arithmetic
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DEFER: >bignum
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IN: kernel
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: millis ( -- millis )
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! Pushes the current time, in milliseconds.
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[ ] "java.lang.System" "currentTimeMillis" jinvoke-static
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>bignum ;
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: system-property ( name -- value )
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[ "java.lang.String" ] "java.lang.System" "getProperty"
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jinvoke-static ;
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: java? t ;
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: native? f ;
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: version "factor.FactorInterpreter" "VERSION" jvar-static-get ;
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: jvm-runtime ( -- java.lang.Runtime )
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#! Return the java.lang.Runtime object for the JVM
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f "java.lang.Runtime" "getRuntime" jinvoke-static ;
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: free-memory ( -- int )
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#! Return the free memory in the JVM.
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jvm-runtime f "java.lang.Runtime" "freeMemory" jinvoke ;
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: total-memory ( -- int )
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#! Return the total memory available to the JVM.
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jvm-runtime f "java.lang.Runtime" "totalMemory" jinvoke ;
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: room free-memory total-memory ;
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