version 1.6, 2003/11/27 08:28:40 |
version 1.11, 2017/09/06 06:25:26 |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* |
* |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/subst.c,v 1.5 2001/10/09 01:36:07 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/subst.c,v 1.10 2015/09/24 04:43:13 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include "parse.h" |
#include "parse.h" |
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void Psubst(), Ppsubst(), Psubstf(), Psubst_quote(); |
void Psubst(), Ppsubst(), Psubstf(), Psubst_quote(); |
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void Psubstr2np(); |
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struct ftab subst_tab[] = { |
struct ftab subst_tab[] = { |
{"subst",Psubst,-99999999}, |
{"subst",Psubst,-99999999}, |
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{"substr2np",Psubstr2np,-3}, |
{"subst_quote",Psubst_quote,-99999999}, |
{"subst_quote",Psubst_quote,-99999999}, |
{"psubst",Ppsubst,-99999999}, |
{"psubst",Ppsubst,-99999999}, |
{"substf",Psubstf,-99999999}, |
{"substf",Psubstf,-99999999}, |
{0,0,0}, |
{0,0,0}, |
}; |
}; |
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extern Obj VOIDobj; |
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/* substr2np(P,[[v,a],...]) or substr2np(P,[v1,...],[a1,...]) */ |
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void Psubstr2np(NODE arg,Obj *rp) |
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{ |
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Obj a,b; |
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P nm,dn,p,q; |
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R r; |
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VL vl,tvl; |
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int nv,i,ac,j; |
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NODE slist,t,ps,u,vlist; |
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P s; |
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P *svect; |
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V v; |
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V *vvect; |
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a = (Obj)ARG0(arg); |
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if ( !a || NUM(a) ) { |
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*rp = a; |
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return; |
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} |
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asir_assert(ARG0(arg),O_R,"substr2np"); |
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asir_assert(ARG1(arg),O_LIST,"substr2np"); |
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get_vars(a,&vl); |
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for ( i = 0, tvl = vl; tvl; tvl = NEXT(tvl), i++ ); |
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nv = i; |
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vvect = (V *)MALLOC((nv)*sizeof(V)); |
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for ( i = 0, tvl = vl; tvl; tvl = NEXT(tvl), i++ ) vvect[i] = tvl->v; |
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svect = (P *)MALLOC((nv)*sizeof(P)); |
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ac = argc(arg); |
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if ( ac == 2 ) { |
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slist = BDY((LIST)ARG1(arg)); |
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for ( i = 0; i < nv; i++ ) svect[i] = (P)VOIDobj; |
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for ( t = slist; t; t = NEXT(t) ) { |
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ps = BDY((LIST)BDY(t)); p = (P)BDY(ps); s = (P)BDY(NEXT(ps)); |
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asir_assert(p,O_P,"substr2np"); asir_assert(s,O_P,"substr2np"); |
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v = VR(p); |
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for ( i = 0; i < nv; i++ ) if ( vvect[i] == v ) break; |
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svect[i] = s; |
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} |
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} else if ( ac == 3 ) { |
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asir_assert(ARG2(arg),O_LIST,"substr2np"); |
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vlist = BDY((LIST)ARG1(arg)); |
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slist = BDY((LIST)ARG2(arg)); |
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for ( i = 0; i < nv; i++ ) svect[i] = (P)VOIDobj; |
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for ( u = vlist, t = slist; u && t; u = NEXT(u), t = NEXT(t) ) { |
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v = VR((P)BDY(u)); |
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for ( i = 0; i < nv; i++ ) if ( vvect[i] == v ) break; |
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svect[i] = (P)BDY(t); |
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} |
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} else |
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error("substr2np : argument mismatch"); |
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for ( i = 0; i < nv; i++ ) { |
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if ( (int)(vvect[i]->attr) == V_PF ) { |
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MKV(vvect[i],p); |
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for ( j = 0; j < nv; j++ ) |
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if ( j != i ) { |
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substr(CO,0,(Obj)p,vvect[j],(Obj)svect[j],&b); p = (P)b; |
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} |
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if ( OID(svect[i]) == O_VOID ) svect[i] = p; |
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else if ( arf_comp(CO,(Obj)p,(Obj)svect[i]) ) |
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error("substr2np : inconsistent values for substitution"); |
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} |
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} |
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switch ( OID(a) ) { |
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case O_P: |
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substpp(CO,(P)a,vvect,svect,nv,&nm); *rp = (Obj)nm; |
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return; |
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case O_R: |
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substpp(CO,(P)NM((R)a),vvect,svect,nv,&nm); |
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substpp(CO,(P)DN((R)a),vvect,svect,nv,&dn); |
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if ( !dn ) |
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error("substr2np: division by 0"); |
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else if ( !nm ) |
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*rp = 0; |
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else if ( NUM(dn) ) { |
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divsp(CO,nm,dn,&p); |
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*rp = (Obj)p; |
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} else { |
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MKRAT(nm,dn,0,r); |
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*rp = (Obj)r; |
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} |
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return; |
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default: |
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error("substr2np: invalid argument"); |
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} |
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} |
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void Psubst(arg,rp) |
void Psubst(arg,rp) |
NODE arg; |
NODE arg; |
Obj *rp; |
Obj *rp; |
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if ( arg && (l = (LIST)ARG0(arg)) && OID(l) == O_LIST ) |
if ( arg && (l = (LIST)ARG0(arg)) && OID(l) == O_LIST ) |
arg = BDY(l); |
arg = BDY(l); |
while ( arg ) { |
while ( arg ) { |
asir_assert(BDY(arg),O_P,"subst"); |
if ( !BDY(arg) || OID((Obj)BDY(arg)) != O_P ) |
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error("subst : invalid argument"); |
v = VR((P)BDY(arg)); arg = NEXT(arg); |
v = VR((P)BDY(arg)); arg = NEXT(arg); |
if ( !arg ) |
if ( !arg ) |
error("subst : invalid argument"); |
error("subst : invalid argument"); |
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break; |
break; |
default: |
default: |
error("subst invalid argument"); |
error("subst : invalid argument"); |
} |
} |
} |
} |
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