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[factor.git] / basis / compiler / cfg / intrinsics / misc / misc.factor
1 ! Copyright (C) 2008 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: namespaces layouts sequences kernel
4 accessors compiler.tree.propagation.info
5 compiler.cfg.stacks compiler.cfg.hats
6 compiler.cfg.instructions compiler.cfg.utilities ;
7 IN: compiler.cfg.intrinsics.misc
8
9 : emit-tag ( -- )
10     ds-pop tag-mask get ^^and-imm ^^tag-fixnum ds-push ;
11
12 : emit-getenv ( node -- )
13     "userenv" f ^^alien-global
14     swap node-input-infos first literal>>
15     [ ds-drop 0 ^^slot-imm ] [ ds-pop ^^offset>slot 0 ^^slot ] if*
16     ds-push ;