125 lines
4.5 KiB
C
125 lines
4.5 KiB
C
/* gc.h
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*
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* $Id$
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*
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* Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
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* Copyright 2002, 2003 Sam Hocevar <sam@zoy.org>, Paris
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*
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* This software was derived from Elk 1.2, which was Copyright 1987, 1988,
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* 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
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* by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
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* between TELES and Nixdorf Microprocessor Engineering, Berlin).
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*
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* Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
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* owners or individual owners of copyright in this software, grant to any
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* person or company a worldwide, royalty free, license to
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*
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* i) copy this software,
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* ii) prepare derivative works based on this software,
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* iii) distribute copies of this software or derivative works,
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* iv) perform this software, or
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* v) display this software,
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*
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* provided that this notice is not removed and that neither Oliver Laumann
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* nor Teles nor Nixdorf are deemed to have made any representations as to
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* the suitability of this software for any purpose nor are held responsible
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* for any defects of this software.
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*
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* THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
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*/
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extern GCNODE *GC_List;
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#define TAG_FUN -1
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#define TAG_TCFUN -2
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#define TAG_ARGS -3
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#define TAG_ENV -4
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#define GC_Node GCNODE gc1
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#define GC_Node2 GCNODE gc1, gc2
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#define GC_Node3 GCNODE gc1, gc2, gc3
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#define GC_Node4 GCNODE gc1, gc2, gc3, gc4
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#define GC_Node5 GCNODE gc1, gc2, gc3, gc4, gc5
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#define GC_Node6 GCNODE gc1, gc2, gc3, gc4, gc5, gc6
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#define GC_Node7 GCNODE gc1, gc2, gc3, gc4, gc5, gc6, gc7
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#define GC_Link(x) {\
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gc1.gclen = 0; gc1.gcobj = &x; gc1.next = GC_List; GC_List = &gc1;\
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}
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#define GC_Link2(x1,x2) {\
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gc1.gclen = 0; gc1.gcobj = &x1; gc1.next = GC_List;\
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gc2.gclen = 0; gc2.gcobj = &x2; gc2.next = &gc1; GC_List = &gc2;\
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}
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#define GC_Link3(x1,x2,x3) {\
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gc1.gclen = 0; gc1.gcobj = &x1; gc1.next = GC_List;\
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gc2.gclen = 0; gc2.gcobj = &x2; gc2.next = &gc1;\
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gc3.gclen = 0; gc3.gcobj = &x3; gc3.next = &gc2; GC_List = &gc3;\
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}
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#define GC_Link4(x1,x2,x3,x4) {\
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gc1.gclen = 0; gc1.gcobj = &x1; gc1.next = GC_List;\
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gc2.gclen = 0; gc2.gcobj = &x2; gc2.next = &gc1;\
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gc3.gclen = 0; gc3.gcobj = &x3; gc3.next = &gc2;\
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gc4.gclen = 0; gc4.gcobj = &x4; gc4.next = &gc3; GC_List = &gc4;\
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}
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/* see src/proc.c */
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#define GC_Link4_Tag_Primitive(args,fun,env,x4) {\
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gc1.gclen = TAG_ARGS; gc1.gcobj = &args; gc1.next = GC_List;\
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gc2.gclen = Tail_Call ? TAG_TCFUN : TAG_FUN;\
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gc2.gcobj = &fun; gc2.next = &gc1;\
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gc3.gclen = TAG_ENV; gc3.gcobj = &env; gc3.next = &gc2;\
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gc4.gclen = 0; gc4.gcobj = &x4; gc4.next = &gc3; GC_List = &gc4;\
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}
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#define GC_Link5(x1,x2,x3,x4,x5) {\
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gc1.gclen = 0; gc1.gcobj = &x1; gc1.next = GC_List;\
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gc2.gclen = 0; gc2.gcobj = &x2; gc2.next = &gc1;\
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gc3.gclen = 0; gc3.gcobj = &x3; gc3.next = &gc2;\
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gc4.gclen = 0; gc4.gcobj = &x4; gc4.next = &gc3;\
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gc5.gclen = 0; gc5.gcobj = &x5; gc5.next = &gc4; GC_List = &gc5;\
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}
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#define GC_Link6(x1,x2,x3,x4,x5,x6) {\
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gc1.gclen = 0; gc1.gcobj = &x1; gc1.next = GC_List;\
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gc2.gclen = 0; gc2.gcobj = &x2; gc2.next = &gc1;\
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gc3.gclen = 0; gc3.gcobj = &x3; gc3.next = &gc2;\
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gc4.gclen = 0; gc4.gcobj = &x4; gc4.next = &gc3;\
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gc5.gclen = 0; gc5.gcobj = &x5; gc5.next = &gc4;\
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gc6.gclen = 0; gc6.gcobj = &x6; gc6.next = &gc5; GC_List = &gc6;\
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}
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#define GC_Link7(x1,x2,x3,x4,x5,x6,x7) {\
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gc1.gclen = 0; gc1.gcobj = &x1; gc1.next = GC_List;\
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gc2.gclen = 0; gc2.gcobj = &x2; gc2.next = &gc1;\
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gc3.gclen = 0; gc3.gcobj = &x3; gc3.next = &gc2;\
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gc4.gclen = 0; gc4.gcobj = &x4; gc4.next = &gc3;\
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gc5.gclen = 0; gc5.gcobj = &x5; gc5.next = &gc4;\
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gc6.gclen = 0; gc6.gcobj = &x6; gc6.next = &gc5;\
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gc7.gclen = 0; gc7.gcobj = &x7; gc7.next = &gc6; GC_List = &gc7;\
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}
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/* see src/proc.c */
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#define GC_Link7_Tag_Compound(args,fun,env,x4,x5,x6,x7) {\
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gc1.gclen = TAG_ARGS;\
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gc1.gcobj = &args; gc1.next = GC_List;\
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gc2.gclen = Tail_Call ? TAG_TCFUN : TAG_FUN;\
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gc2.gcobj = &fun; gc2.next = &gc1;\
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gc3.gclen = TAG_ENV;\
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gc3.gcobj = &env; gc3.next = &gc2;\
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gc4.gclen = 0; gc4.gcobj = &x4; gc4.next = &gc3;\
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gc5.gclen = 0; gc5.gcobj = &x5; gc5.next = &gc4;\
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gc6.gclen = 0; gc6.gcobj = &x6; gc6.next = &gc5;\
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gc7.gclen = 0; gc7.gcobj = &x7; gc7.next = &gc6; GC_List = &gc7;\
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}
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#define GC_Unlink (GC_List = gc1.next)
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C_LINKAGE_BEGIN
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extern void Func_Global_GC_Link P_((Object*));
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C_LINKAGE_END
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#define Global_GC_Link(x) Func_Global_GC_Link(&x)
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