/*
* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
* All rights reserved.
*
* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
* non-exclusive and royalty-free license to use, copy, modify and
* redistribute, solely for non-commercial and non-profit purposes, the
* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
* conditions of this Agreement. For the avoidance of doubt, you acquire
* only a limited right to use the SOFTWARE hereunder, and FLL or any
* third party developer retains all rights, including but not limited to
* copyrights, in and to the SOFTWARE.
*
* (1) FLL does not grant you a license in any way for commercial
* purposes. You may use the SOFTWARE only for non-commercial and
* non-profit purposes only, such as academic, research and internal
* business use.
* (2) The SOFTWARE is protected by the Copyright Law of Japan and
* international copyright treaties. If you make copies of the SOFTWARE,
* with or without modification, as permitted hereunder, you shall affix
* to all such copies of the SOFTWARE the above copyright notice.
* (3) An explicit reference to this SOFTWARE and its copyright owner
* shall be made on your publication or presentation in any form of the
* results obtained by use of the SOFTWARE.
* (4) In the event that you modify the SOFTWARE, you shall notify FLL by
* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
* for such modification or the source code of the modified part of the
* SOFTWARE.
*
* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
*
* $OpenXM: OpenXM_contrib2/asir2000/builtin/strobj.c,v 1.30 2004/03/09 03:14:24 noro Exp $
*/
#include "ca.h"
#include "parse.h"
#include "ctype.h"
#if defined(PARI)
#include "genpari.h"
# if !(PARI_VERSION_CODE > 131588)
extern jmp_buf environnement;
# endif
#endif
#include <string.h>
struct TeXSymbol {
char *text;
char *symbol;
};
extern char *parse_strp;
void Prtostr(), Pstrtov(), Peval_str();
void Pstrtoascii(), Pasciitostr();
void Pstr_len(), Pstr_chr(), Psub_str();
void Pwrite_to_tb();
void Ptb_to_string();
void Pclear_tb();
void Pstring_to_tb();
void Pquotetotex_tb();
void Pquotetotex();
void Pquotetotex_env();
void fnodetotex_tb(FNODE f,TB tb);
char *symbol_name(char *name);
char *conv_rule(char *name);
char *conv_subscript(char *name);
char *call_convfunc(char *name);
void tb_to_string(TB tb,STRING *rp);
void fnodenodetotex_tb(NODE n,TB tb);
void fargstotex_tb(char *opname,FNODE f,TB tb);
struct ftab str_tab[] = {
{"rtostr",Prtostr,1},
{"strtov",Pstrtov,1},
{"eval_str",Peval_str,1},
{"strtoascii",Pstrtoascii,1},
{"asciitostr",Pasciitostr,1},
{"str_len",Pstr_len,1},
{"str_chr",Pstr_chr,3},
{"sub_str",Psub_str,3},
{"write_to_tb",Pwrite_to_tb,2},
{"clear_tb",Pclear_tb,1},
{"tb_to_string",Ptb_to_string,1},
{"string_to_tb",Pstring_to_tb,1},
{"quotetotex_tb",Pquotetotex_tb,2},
{"quotetotex",Pquotetotex,1},
{"quotetotex_env",Pquotetotex_env,-99999999},
{0,0,0},
};
void write_tb(char *s,TB tb)
{
if ( tb->next == tb->size ) {
tb->size *= 2;
tb->body = (char **)REALLOC(tb->body,tb->size*sizeof(char *));
}
tb->body[tb->next] = s;
tb->next++;
}
int register_symbol_table(Obj arg);
int register_conv_rule(Obj arg);
int register_dp_vars(Obj arg);
int register_dp_vars_prefix(Obj arg);
int register_show_lt(Obj arg);
static struct TeXSymbol *user_texsymbol;
static char **dp_vars;
static int dp_vars_len;
static char *dp_vars_prefix;
static int show_lt;
static FUNC convfunc;
static int is_lt;
static int conv_flag;
#define CONV_SUBSCRIPT (1U<<0)
#define CONV_DMODE (1U<<1)
#define CONV_USERFUNC (1U<<31)
static struct {
char *name;
Obj value;
int (*reg)();
} qtot_env[] = {
{"symbol_table",0,register_symbol_table},
{"conv_rule",0,register_conv_rule},
{"dp_vars",0,register_dp_vars},
{"dp_vars_prefix",0,register_dp_vars_prefix},
{"show_lt",0,register_show_lt},
{0,0,0},
};
#define PARTIAL "\\partial"
char *conv_rule(char *name)
{
char *body,*r;
if ( conv_flag & CONV_DMODE ) {
if ( *name == 'd' ) {
if ( conv_flag & CONV_SUBSCRIPT )
body = conv_subscript(name+1);
else
body = name+1;
r = MALLOC_ATOMIC((strlen(PARTIAL)+strlen(body)+5)*sizeof(char));
sprintf(r,"{%s}_{%s}",PARTIAL,body);
return r;
} else {
if ( conv_flag & CONV_SUBSCRIPT )
body = conv_subscript(name);
else
body = name;
}
} else if ( conv_flag & CONV_SUBSCRIPT )
return conv_subscript(name);
else if ( conv_flag & CONV_USERFUNC && convfunc )
return call_convfunc(name);
else
return name;
}
char *conv_subscript(char *name)
{
int i,j,k,len,clen,slen,start,level;
char *buf,*head,*r,*h;
char **subs;
len = strlen(name);
for ( i = 0; i < len && (isalpha(name[i]) || name[i]=='\\'); i++ );
if ( i == len ) return symbol_name(name);
buf = (char *)ALLOCA((i+1)*sizeof(char));
strncpy(buf,name,i); buf[i] = 0;
head = symbol_name(buf);
subs = (char **)ALLOCA(len*sizeof(char* ));
for ( j = 0, start = i; ; j++ ) {
while ( (i < len) && (name[i] == '_' || name[i] == ',') ) i++;
if ( i == len ) break;
start = i;
if ( name[i] == '{' ) {
for ( level = 1, i++; i < len && level; i++ ) {
if ( name[i] == '{' ) level++;
else if ( name[i] == '}' ) level--;
}
} else if ( isdigit(name[i]) )
while ( i < len && isdigit(name[i]) ) i++;
else
while ( i < len && (isalpha(name[i]) || name[i] == '\\') ) i++;
slen = i-start;
buf = (char *)ALLOCA((slen+1)*sizeof(char));
strncpy(buf,name+start,slen); buf[slen] = 0;
subs[j] = symbol_name(buf);
}
for ( k = 0, clen = strlen(head); k < j; k++ ) clen += strlen(subs[k]);
/* {head}_{{subs(0)},...,{subs(j-1)}} => {}:j+2 _:1 ,:j-1 */
h = r = MALLOC_ATOMIC((clen+(j+2)*2+1+(j-1)+1)*sizeof(char));
if ( !j )
sprintf(h,"{%s}",head);
else {
sprintf(h,"{%s}_{{%s}",head,subs[0]);
h += strlen(h);
for ( k = 1; k < j; k++ ) {
sprintf(h,",{%s}",subs[k]);
h += strlen(h);
}
strcpy(h,"}");
}
return r;
}
char *call_convfunc(char *name)
{
STRING str,r;
NODE arg;
MKSTR(str,name);
arg = mknode(1,str);
r = (STRING)bevalf(convfunc,arg);
if ( !r || OID(r) != O_STR )
error("call_convfunc : invalid result");
return BDY(r);
}
int register_symbol_table(Obj arg)
{
NODE n,t;
Obj b;
STRING a0,a1;
struct TeXSymbol *uts;
int i,len;
/* check */
if ( !arg ) {
user_texsymbol = 0;
return 1;
}
if ( OID(arg) != O_LIST ) return 0;
n = BDY((LIST)arg);
len = length(n);
uts = (struct TeXSymbol *)MALLOC((len+1)*sizeof(struct TeXSymbol));
for ( i = 0; n; n = NEXT(n), i++ ) {
b = (Obj)BDY(n);
if ( !b || OID(b) != O_LIST ) return 0;
t = BDY((LIST)b);
if ( !t || !NEXT(t) ) return 0;
a0 = (STRING)BDY(t);
a1 = (STRING)BDY(NEXT(t));
if ( !a0 ) return 0;
if ( OID(a0) == O_STR )
uts[i].text = BDY(a0);
else if ( OID(a0) == O_P )
uts[i].text = NAME(VR((P)a0));
else
return 0;
if ( !a1 ) return 0;
if ( OID(a1) == O_STR )
uts[i].symbol = BDY(a1);
else if ( OID(a1) == O_P )
uts[i].symbol = NAME(VR((P)a1));
else
return 0;
}
uts[i].text = 0;
uts[i].symbol = 0;
user_texsymbol = uts;
return 1;
}
int register_show_lt(Obj arg)
{
if ( INT(arg) ) {
show_lt = QTOS((Q)arg);
return 1;
} else return 0;
}
int register_conv_rule(Obj arg)
{
if ( INT(arg) ) {
conv_flag = QTOS((Q)arg);
convfunc = 0;
return 1;
} else if ( OID(arg) == O_P &&
(int)(VR((P)arg))->attr == V_SR ) {
conv_flag = CONV_USERFUNC;
convfunc = (FUNC)(VR((P)arg)->priv);
/* f must be a function which takes single argument */
return 1;
} else return 0;
}
int register_dp_vars(Obj arg)
{
int l,i;
char **r;
NODE n;
STRING a;
if ( !arg ) {
dp_vars = 0;
dp_vars_len = 0;
return 1;
} else if ( OID(arg) != O_LIST )
return 0;
else {
n = BDY((LIST)arg);
l = length(n);
r = (char **)MALLOC_ATOMIC(l*sizeof(char *));
for ( i = 0; i < l; i++, n = NEXT(n) ) {
a = (STRING)BDY(n);
if ( !a ) return 0;
if ( OID(a) == O_STR )
r[i] = BDY(a);
else if ( OID(a) == O_P )
r[i] = NAME(VR((P)a));
else
return 0;
}
dp_vars = r;
dp_vars_len = l;
return 1;
}
}
int register_dp_vars_prefix(Obj arg)
{
if ( !arg ) {
dp_vars_prefix = 0;
return 1;
} else if ( OID(arg) == O_STR ) {
dp_vars_prefix = BDY((STRING)arg);
return 1;
} else if ( OID(arg) == O_P ) {
dp_vars_prefix = NAME(VR((P)arg));
return 1;
} else return 0;
}
void Pquotetotex_env(NODE arg,Obj *rp)
{
int ac,i;
char *name;
NODE n,n0;
STRING s;
LIST l;
ac = argc(arg);
if ( !ac ) {
n0 = 0;
for ( i = 0; qtot_env[i].name; i++ ) {
NEXTNODE(n0,n); MKSTR(s,qtot_env[i].name); BDY(n) = (pointer)s;
NEXTNODE(n0,n); BDY(n) = (Q)qtot_env[i].value;
}
NEXT(n) = 0;
MKLIST(l,n0);
*rp = (Obj)l;
} else if ( ac == 1 || ac == 2 ) {
asir_assert(ARG0(arg),O_STR,"quotetotex_env");
name = BDY((STRING)ARG0(arg));
for ( i = 0; qtot_env[i].name; i++ )
if ( !strcmp(qtot_env[i].name,name) ) {
if ( ac == 2 ) {
if ( (qtot_env[i].reg)((Obj)ARG1(arg)) )
qtot_env[i].value = (Obj)ARG1(arg);
else
error("quotetotex_env : invalid argument");
}
*rp = qtot_env[i].value;
return;
}
*rp = 0;
} else
*rp = 0;
}
void Pwrite_to_tb(NODE arg,Q *rp)
{
int i;
Obj obj;
TB tb;
asir_assert(ARG1(arg),O_TB,"write_to_tb");
obj = ARG0(arg);
if ( !obj )
write_tb("",ARG1(arg));
else if ( OID(obj) == O_STR )
write_tb(BDY((STRING)obj),ARG1(arg));
else if ( OID(obj) == O_TB ) {
tb = (TB)obj;
for ( i = 0; i < tb->next; i++ )
write_tb(tb->body[i],ARG1(arg));
}
*rp = 0;
}
void Pquotetotex(NODE arg,STRING *rp)
{
TB tb;
NEWTB(tb);
/* XXX for DP */
is_lt = 1;
fnodetotex_tb(BDY((QUOTE)ARG0(arg)),tb);
tb_to_string(tb,rp);
}
void Pquotetotex_tb(NODE arg,Q *rp)
{
int i;
TB tb;
asir_assert(ARG1(arg),O_TB,"quotetotex_tb");
/* XXX for DP */
is_lt = 1;
fnodetotex_tb(BDY((QUOTE)ARG0(arg)),ARG1(arg));
*rp = 0;
}
void Pstring_to_tb(NODE arg,TB *rp)
{
TB tb;
asir_assert(ARG0(arg),O_STR,"string_to_tb");
NEWTB(tb);
tb->body[0] = BDY((STRING)ARG0(arg));
tb->next++;
*rp = tb;
}
void Ptb_to_string(NODE arg,STRING *rp)
{
TB tb;
asir_assert(ARG0(arg),O_TB,"tb_to_string");
tb = (TB)ARG0(arg);
tb_to_string(tb,rp);
}
void tb_to_string(TB tb,STRING *rp)
{
int j,len;
char *all,*p,*q;
for ( j = 0, len = 0; j < tb->next; j++ )
len += strlen(tb->body[j]);
all = (char *)MALLOC_ATOMIC((len+1)*sizeof(char));
for ( j = 0, p = all; j < tb->next; j++ )
for ( q = tb->body[j]; *q; *p++ = *q++ );
*p = 0;
MKSTR(*rp,all);
}
void Pclear_tb(NODE arg,Q *rp)
{
TB tb;
int j;
asir_assert(ARG0(arg),O_TB,"clear_tb");
tb = (TB)ARG0(arg);
for ( j = 0; j < tb->next; j++ )
tb->body[j] = 0;
tb->next = 0;
*rp = 0;
}
void Pstr_len(arg,rp)
NODE arg;
Q *rp;
{
Obj obj;
TB tb;
int r,i;
obj = (Obj)ARG0(arg);
if ( !obj || (OID(obj) != O_STR && OID(obj) != O_TB) )
error("str_len : invalid argument");
if ( OID(obj) == O_STR)
r = strlen(BDY((STRING)obj));
else if ( OID(obj) == O_TB ) {
tb = (TB)obj;
for ( r = i = 0; i < tb->next; i++ )
r += strlen(tb->body[i]);
}
STOQ(r,*rp);
}
void Pstr_chr(arg,rp)
NODE arg;
Q *rp;
{
STRING str,terminator;
Q start;
char *p,*ind;
int chr,spos,r;
str = (STRING)ARG0(arg);
start = (Q)ARG1(arg);
terminator = (STRING)ARG2(arg);
asir_assert(str,O_STR,"str_chr");
asir_assert(start,O_N,"str_chr");
asir_assert(terminator,O_STR,"str_chr");
p = BDY(str);
spos = QTOS(start);
chr = BDY(terminator)[0];
if ( spos > (int)strlen(p) )
r = -1;
else {
ind = strchr(p+spos,chr);
if ( ind )
r = ind-p;
else
r = -1;
}
STOQ(r,*rp);
}
void Psub_str(arg,rp)
NODE arg;
STRING *rp;
{
STRING str;
Q head,tail;
char *p,*r;
int spos,epos,len;
str = (STRING)ARG0(arg);
head = (Q)ARG1(arg);
tail = (Q)ARG2(arg);
asir_assert(str,O_STR,"sub_str");
asir_assert(head,O_N,"sub_str");
asir_assert(tail,O_N,"sub_str");
p = BDY(str);
spos = QTOS(head);
epos = QTOS(tail);
len = strlen(p);
if ( (spos >= len) || (epos < spos) ) {
*rp = 0; return;
}
if ( epos >= len )
epos = len-1;
len = epos-spos+1;
r = (char *)MALLOC(len+1);
strncpy(r,p+spos,len);
r[len] = 0;
MKSTR(*rp,r);
}
void Pstrtoascii(arg,rp)
NODE arg;
LIST *rp;
{
STRING str;
unsigned char *p;
int len,i;
NODE n,n1;
Q q;
str = (STRING)ARG0(arg);
asir_assert(str,O_STR,"strtoascii");
p = BDY(str);
len = strlen(p);
for ( i = len-1, n = 0; i >= 0; i-- ) {
UTOQ((unsigned int)p[i],q);
MKNODE(n1,q,n);
n = n1;
}
MKLIST(*rp,n);
}
void Pasciitostr(arg,rp)
NODE arg;
STRING *rp;
{
LIST list;
unsigned char *p;
int len,i,j;
NODE n;
Q q;
list = (LIST)ARG0(arg);
asir_assert(list,O_LIST,"asciitostr");
n = BDY(list);
len = length(n);
p = MALLOC_ATOMIC(len+1);
for ( i = 0; i < len; i++, n = NEXT(n) ) {
q = (Q)BDY(n);
asir_assert(q,O_N,"asciitostr");
j = QTOS(q);
if ( j >= 256 || j <= 0 )
error("asciitostr : argument out of range");
p[i] = j;
}
p[i] = 0;
MKSTR(*rp,(char *)p);
}
void Peval_str(arg,rp)
NODE arg;
Obj *rp;
{
FNODE fnode;
char *cmd;
#if defined(PARI)
void recover(int);
recover(0);
# if !(PARI_VERSION_CODE > 131588)
if ( setjmp(environnement) ) {
avma = top; recover(1);
resetenv("");
}
# endif
#endif
cmd = BDY((STRING)ARG0(arg));
exprparse_create_var(0,cmd,&fnode);
*rp = eval(fnode);
}
void Prtostr(arg,rp)
NODE arg;
STRING *rp;
{
char *b;
int len;
len = estimate_length(CO,ARG0(arg));
b = (char *)MALLOC_ATOMIC(len+1);
soutput_init(b);
sprintexpr(CO,ARG0(arg));
MKSTR(*rp,b);
}
void Pstrtov(arg,rp)
NODE arg;
P *rp;
{
char *p;
p = BDY((STRING)ARG0(arg));
#if 0
if ( !islower(*p) )
*rp = 0;
else {
for ( t = p+1; t && (isalnum(*t) || *t == '_'); t++ );
if ( *t )
*rp = 0;
else
makevar(p,rp);
}
#else
makevar(p,rp);
#endif
}
static struct TeXSymbol texsymbol[] = {
{"sin","\\sin"},
{"cos","\\cos"},
{"tan","\\tan"},
{"sinh","\\sinh"},
{"cosh","\\cosh"},
{"tanh","\\tanh"},
{"exp","\\exp"},
{"log","\\log"},
/* Greek Letters (lower case) */
{"alpha","\\alpha"},
{"beta","\\beta"},
{"gamma","\\gamma"},
{"delta","\\delta"},
{"epsilon","\\epsilon"},
{"varepsilon","\\varepsilon"},
{"zeta","\\zeta"},
{"eta","\\eta"},
{"theta","\\theta"},
{"vartheta","\\vartheta"},
{"iota","\\iota"},
{"kappa","\\kappa"},
{"lambda","\\lambda"},
{"mu","\\mu"},
{"nu","\\nu"},
{"xi","\\xi"},
{"pi","\\pi"},
{"varpi","\\varpi"},
{"rho","\\rho"},
{"sigma","\\sigma"},
{"varsigma","\\varsigma"},
{"tau","\\tau"},
{"upsilon","\\upsilon"},
{"phi","\\phi"},
{"varphi","\\varphi"},
{"chi","\\chi"},
{"omega","\\omega"},
/* Greek Letters, (upper case) */
{"ggamma","\\Gamma"},
{"ddelta","\\Delta"},
{"ttheta","\\Theta"},
{"llambda","\\Lambda"},
{"xxi","\\Xi"},
{"ppi","\\Pi"},
{"ssigma","\\Sigma"},
{"uupsilon","\\Upsilon"},
{"pphi","\\Phi"},
{"ppsi","\\Psi"},
{"oomega","\\Omega"},
/* Our own mathematical functions */
{"algebra_tensor","\\otimes"},
{"base_where","{\\rm \\ where \\ }"},
/* Mathematical constants */
{"c_pi","\\pi"},
{"c_i","\\sqrt{-1}"},
/* Temporary */
{0,0}
};
char *symbol_name(char *name)
{
int i;
if ( user_texsymbol )
for ( i = 0; user_texsymbol[i].text; i++ )
if ( !strcmp(user_texsymbol[i].text,name) )
return user_texsymbol[i].symbol;
for ( i = 0; texsymbol[i].text; i++ )
if ( !strcmp(texsymbol[i].text,name) )
return texsymbol[i].symbol;
return name;
}
void fnodetotex_tb(FNODE f,TB tb)
{
NODE n,t,t0;
char vname[BUFSIZ];
char *opname,*vname_conv;
Obj obj;
int i,len,allzero;
FNODE fi,f2;
write_tb(" ",tb);
if ( !f ) {
write_tb("0",tb);
return;
}
switch ( f->id ) {
/* unary operators */
case I_NOT:
write_tb("\\neg (",tb);
fnodetotex_tb((FNODE)FA0(f),tb);
write_tb(")",tb);
break;
case I_PAREN:
write_tb("(",tb);
fnodetotex_tb((FNODE)FA0(f),tb);
write_tb(")",tb);
break;
case I_MINUS:
write_tb("-",tb);
fnodetotex_tb((FNODE)FA0(f),tb);
break;
/* binary operators */
/* arg list */
/* I_AND, I_OR => FA0(f), FA1(f) */
/* otherwise => FA1(f), FA2(f) */
case I_BOP:
opname = ((ARF)FA0(f))->name;
if ( !strcmp(opname,"+") ) {
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(opname,tb);
fnodetotex_tb((FNODE)FA2(f),tb);
} else if ( !strcmp(opname,"-") ) {
if ( FA1(f) ) fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(opname,tb);
fnodetotex_tb((FNODE)FA2(f),tb);
} else if ( !strcmp(opname,"*") ) {
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" ",tb);
/* XXX special care for DP */
f2 = (FNODE)FA2(f);
if ( f2->id == I_EV ) {
n = (NODE)FA0(f2);
for ( i = 0; n; n = NEXT(n), i++ ) {
fi = (FNODE)BDY(n);
if ( fi->id != I_FORMULA || FA0(fi) )
break;
}
if ( n )
fnodetotex_tb((FNODE)FA2(f),tb);
} else
fnodetotex_tb((FNODE)FA2(f),tb);
} else if ( !strcmp(opname,"/") ) {
write_tb("\\frac{",tb);
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb("} {",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
write_tb("}",tb);
} else if ( !strcmp(opname,"^") ) {
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb("^{",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
write_tb("} ",tb);
} else if ( !strcmp(opname,"%") ) {
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" {\\rm mod}\\, ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
} else
error("invalid binary operator");
break;
case I_COP:
switch( (cid)FA0(f) ) {
case C_EQ:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" = ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case C_NE:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" \\neq ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case C_GT:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" \\gt ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case C_LT:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" \\lt ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case C_GE:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" \\geq ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case C_LE:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" \\leq ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
}
break;
case I_LOP:
switch( (lid)FA0(f) ) {
case L_EQ:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" = ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case L_NE:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" \\neq ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case L_GT:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" \\gt ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case L_LT:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" \\lt ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case L_GE:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" \\geq ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case L_LE:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" \\leq ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case L_AND:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" {\\rm \\ and\\ } ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case L_OR:
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(" {\\rm \\ or\\ } ",tb);
fnodetotex_tb((FNODE)FA2(f),tb);
break;
case L_NOT:
/* XXX : L_NOT is a unary operator */
write_tb("\\neg (",tb);
fnodetotex_tb((FNODE)FA1(f),tb);
write_tb(")",tb);
return;
}
break;
case I_AND:
fnodetotex_tb((FNODE)FA0(f),tb);
write_tb(" {\\rm \\ and\\ } ",tb);
fnodetotex_tb((FNODE)FA1(f),tb);
break;
case I_OR:
fnodetotex_tb((FNODE)FA0(f),tb);
write_tb(" {\\rm \\ or\\ } ",tb);
fnodetotex_tb((FNODE)FA1(f),tb);
break;
/* ternary operators */
case I_CE:
error("fnodetotex_tb : not implemented yet");
break;
/* lists */
case I_LIST:
write_tb(" [ ",tb);
n = (NODE)FA0(f);
fnodenodetotex_tb(n,tb);
write_tb("]",tb);
break;
/* function */
case I_FUNC:
opname = conv_rule(((FUNC)FA0(f))->name);
write_tb(opname,tb);
write_tb("(",tb);
fargstotex_tb(opname,FA1(f),tb);
write_tb(")",tb);
break;
/* XXX */
case I_CAR:
opname = conv_rule("car");
write_tb(opname,tb);
write_tb("(",tb);
fargstotex_tb(opname,FA0(f),tb);
write_tb(")",tb);
break;
case I_CDR:
opname = conv_rule("cdr");
write_tb(opname,tb);
write_tb("(",tb);
fargstotex_tb(opname,FA0(f),tb);
write_tb(")",tb);
break;
/* exponent vector */
case I_EV:
n = (NODE)FA0(f);
allzero = 1;
if ( show_lt && is_lt )
write_tb("\\underline{",tb);
for ( t0 = 0, i = 0; n; n = NEXT(n), i++ ) {
fi = (FNODE)BDY(n);
if ( fi->id == I_FORMULA && !FA0(fi) ) continue;
allzero = 0;
if ( dp_vars && i < dp_vars_len )
strcpy(vname,dp_vars[i]);
else if ( dp_vars_prefix )
sprintf(vname,"%s_{%d}",dp_vars_prefix,i);
else
sprintf(vname,"x_{%d}",i);
vname_conv = conv_rule(vname);
if ( fi->id == I_FORMULA && UNIQ(FA0(fi)) ) {
len = strlen(vname_conv);
opname = MALLOC_ATOMIC(len+2);
sprintf(opname,"%s ",vname_conv);
write_tb(opname,tb);
} else {
len = strlen(vname_conv);
/* 2: ^{ */
opname = MALLOC_ATOMIC(len+1+2);
sprintf(opname,"%s^{",vname_conv);
write_tb(opname,tb);
fnodetotex_tb((FNODE)BDY(n),tb);
write_tb("} ",tb);
}
}
/* XXX */
if ( allzero )
write_tb(" 1 ",tb);
if ( show_lt && is_lt ) {
write_tb("}",tb);
is_lt = 0;
}
break;
/* string */
case I_STR:
write_tb((char *)FA0(f),tb);
break;
/* internal object */
case I_FORMULA:
obj = (Obj)FA0(f);
if ( obj && OID(obj) == O_P ) {
opname = conv_rule(VR((P)obj)->name);
} else {
len = estimate_length(CO,obj);
opname = (char *)MALLOC_ATOMIC(len+1);
soutput_init(opname);
sprintexpr(CO,obj);
}
write_tb(opname,tb);
break;
/* program variable */
case I_PVAR:
if ( FA1(f) )
error("fnodetotex_tb : not implemented yet");
GETPVNAME(FA0(f),opname);
write_tb(opname,tb);
break;
default:
error("fnodetotex_tb : not implemented yet");
}
}
void fnodenodetotex_tb(NODE n,TB tb)
{
for ( ; n; n = NEXT(n) ) {
is_lt = 1;
fnodetotex_tb((FNODE)BDY(n),tb);
if ( NEXT(n) ) write_tb(", ",tb);
}
}
void fargstotex_tb(char *name,FNODE f,TB tb)
{
NODE n;
if ( !strcmp(name,"matrix") ) {
error("fargstotex_tb : not implemented yet");
} else if ( !strcmp(name,"vector") ) {
error("fargstotex_tb : not implemented yet");
} else {
if ( f->id == I_LIST ) {
n = (NODE)FA0(f);
fnodenodetotex_tb(n,tb);
} else
fnodetotex_tb(f,tb);
}
}