File: [local] / OpenXM / src / kxx / ox_texmacs.c (download)
Revision 1.48, Wed Oct 7 07:47:23 2020 UTC (3 years, 6 months ago) by takayama
Branch: MAIN
CVS Tags: HEAD
Changes since 1.47: +7 -2
lines
The causes of the warnings in kxx/ are fixed.
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/* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.48 2020/10/07 07:47:23 takayama Exp $ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <setjmp.h>
#include <signal.h>
#include "ox_kan.h"
#include "serversm.h"
#include "ox_pathfinder.h"
#if defined(__CYGWIN__) || defined(__MSYS__)
#define JMP_BUF sigjmp_buf
#define SETJMP(env) MYSIGSETJMP(env,1)
#define LONGJMP(env,p) MYSIGLONGJMP(env,p)
#else
#define JMP_BUF jmp_buf
#define SETJMP(env) MYSETJMP(env)
#define LONGJMP(env,p) MYLONGJMP(env,p)
#endif
void KSstart(); // kan96xx/Kan/datatype.h
void KSstart_quiet(); // kan96xx/Kan/datatype.h
int KSexecuteString(char *s); // kan96xx/Kan/datatype.h
/*
#define DEBUG
*/
/*
#define DEBUG2
*/
/* Type of View part (user interface engine) */
#define GENERIC 0 /* DEBUG, xml */
#define V_TEXMACS 1
#define V_CFEP 2
#define V_QFEP 3
#define V_SAGE 4
#define V_JUPYTER 5
int View = V_TEXMACS ;
char *Data_begin_v[] = {
"<S type=verbatim>",
"\002verbatim:",
"\002",
"",
"",
""
};
char *Data_begin_l[] = {
"<S type=latex>",
"\002latex:",
"\002latex:",
"",
"",
""
};
char *Data_begin_p[] = {
"<S type=prompt>",
"\002prompt:",
"\002prompt:",
"",
"",
""
};
char *Data_begin_ps[] = {
"<S type=postscript>",
"\002ps:",
"\002ps:",
"",
"",
""
};
char *Data_end[] = {
"</S>",
"\005",
"\n\005", /* \n is not a part of the protocol. */
"",
"", /* SAGE */
"\n"
};
/* todo: start_of_input */
char End_of_input[] = {
0x5, /* Use ^E and Return to end the input. */
'\n', /* TEXMACS_END_OF_INPUT. 0xd should be used for multiple lines. */
0x5, /* CFEP_END_OF_INPUT */
0x5,
'\n', /* SAGE cf. __init__ */
'\n'
};
/* Note! if you give more than 10 Views, increase the number 10 below.
See the option --prompt which should be given after --view is set.
*/
char *Prompt[10]={
"generic>", /* generic */
"", /* texmacs */
"", /* cfep */
"", /* qfep */
"\nasir>", /* SAGE */
"\nPEXPECT_PROMPT>"
};
/* Table for the engine type. */
#define ASIR 1
#define SM1 2
#define K0 3
extern int Quiet;
extern JMP_BUF EnvOfStackMachine;
extern int Calling_ctrlC_hook;
extern int RestrictedMode, RestrictedMode_saved;
int Format=1; /* 1 : latex mode, 2: cfep_png */
int OutputLimit_for_TeXmacs = (1024*10);
int TM_Engine = ASIR ;
int TM_asirStarted = 0;
int TM_sm1Started = 0;
int TM_k0Started = 0;
int TM_do_not_print = 0;
int Xm_noX = 0;
int NoCopyright = 0;
int Cpp = 0; /* Use cpp before sending to the engine. */
int EngineLogToStdout = 0; /* Do not run the ox engine inside xterm. */
char *AsirInitFile = NULL;
char *LanguageResource = NULL;
int TM_quiet = 0;
void ctrlC();
struct object KpoString(char *s);
char *KSpopString(void);
static char *readString(FILE *fp,char *prolog, char *eplog);
static void printv(char *s);
static void printl(char *s);
static void printp(char *s);
static void printps(char *s);
static void printCopyright(char *s);
static int startEngine(int type,char *msg);
static int isPS(char *s);
static int end_of_input(int c);
static void setDefaultParameterForCfep();
static void setDefaultParameterForSage();
static void setDefaultParameterForJupyter();
static void myEncoder(int c);
static void myEncoderS(unsigned char *s);
static void myEncoderSn(unsigned char *s,int n);
static void outputStringToTunnel0(int channel, unsigned char *s, int size, int view);
static void outputStringToTunnel(int channel, unsigned char *s, int view);
static void pngSendFile(char *path);
static int pngCheck(void);
static void pngNotAvailable(void);
static char *pngGetResult();
static void flushSm1();
static int is_substr_of(char a[],char s[]);
static void hexout(FILE *fp,char s[]);
static int mystrncmp(char a[],char s[]);
/* tail -f /tmp/debug-texmacs.txt
Debug output to understand the timing problem of pipe interface.
*/
FILE *Dfp;
void main(int argc,char *argv[]) {
char *s;
char *r;
char *sys;
struct object ob = OINIT;
int irt=0;
int vmode=1;
char *openxm_home;
char *asir_config;
char *path;
int i;
#ifdef DEBUG2
Dfp = fopen("/tmp/debug-texmacs.txt","w");
#endif
TM_quiet=0;
for (i=1; i<argc; i++) {
if (strcmp(argv[i],"--quiet")==0) {
TM_quiet=1;
}
}
/* Initialize kanlib (gc is also initialized) */
if (TM_quiet) {
KSstart_quiet();
}else{
KSstart();
}
/* Set consts */
Quiet = 1;
for (i=1; i<argc; i++) {
if (strcmp(argv[i],"--view") == 0) {
i++;
if (strcmp(argv[i],"texmacs") == 0) {
View = V_TEXMACS;
}else if (strcmp(argv[i],"cfep")==0) {
View = V_CFEP; setDefaultParameterForCfep();
}else if (strcmp(argv[i],"qfep")==0) {
View = V_QFEP; setDefaultParameterForCfep();
}else if (strcmp(argv[i],"sage")==0) {
View = V_SAGE; setDefaultParameterForSage();
}else if (strcmp(argv[i],"jupyter")==0) {
View = V_JUPYTER; setDefaultParameterForJupyter();
}else{
View = GENERIC;
/* printv("Unknown view type.\n"); */
}
} else if (strcmp(argv[i],"--sm1") == 0) {
TM_Engine = SM1;
}else if (strcmp(argv[i],"--asir") == 0) {
TM_Engine = ASIR;
}else if (strcmp(argv[i],"--k0") == 0) {
TM_Engine = K0;
}else if (strcmp(argv[i],"--outputLimit") == 0) {
i++;
sscanf(argv[i],"%d",&OutputLimit_for_TeXmacs);
}else if (strcmp(argv[i],"--noLogWindow") == 0) {
Xm_noX = 1;
}else if (strcmp(argv[i],"--noCopyright") == 0) {
NoCopyright = 1;
}else if (strcmp(argv[i],"--cpp") == 0) {
Cpp = 1;
}else if (strcmp(argv[i],"--engineLogToStdout") == 0) {
EngineLogToStdout = 1;
}else if (strcmp(argv[i],"--languageResource") == 0) {
i++;
LanguageResource = (char *)sGC_malloc(strlen(argv[i])+80);
sprintf(LanguageResource,
" /localizedString.file (%s) def localizedString.load ",argv[i]);
}else if (strcmp(argv[i],"--asirInitFile") == 0) {
i++;
AsirInitFile = (char *)sGC_malloc(strlen(argv[i])+80);
sprintf(AsirInitFile,"%s",argv[i]);
}else if (strcmp(argv[i],"--quiet") == 0) {
/* it is already set. Ignore. */
}else if (strcmp(argv[i],"--prompt")==0) {
i++;
Prompt[View] = (char *)sGC_malloc(strlen(argv[i])+2);
strcpy(Prompt[View],argv[i]);
}else{
/* printv("Unknown option\n"); */
}
}
openxm_home = (char *) getenv("OpenXM_HOME");
asir_config = (char *) getenv("ASIR_CONFIG");
if (openxm_home == NULL) {
printv("Error. The environmental variable OpenXM_HOME is not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs\nBye...");
exit(10);
}
/* Main loop */
printf("%s",Data_begin_v[View]);
if ((asir_config == NULL) && (View == V_TEXMACS)) {
printf("Warning. The environmental variable ASIR_CONFIG is not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs.\nOtherwise, tex translation will not be performed\n");
}
printCopyright("");
/* Load ox engine here */
/* engine id should be set to ox.engine */
KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");
if (Xm_noX) KSexecuteString(" /Xm_noX 1 def ");
if (EngineLogToStdout) KSexecuteString(" /Xm_engineLogToStdout 1 def ");
if (LanguageResource != NULL) KSexecuteString(LanguageResource);
startEngine(TM_Engine," ");
if (mysignal(SIGINT,SIG_IGN) != SIG_IGN) {
mysignal(SIGINT,ctrlC);
}
irt = 0;
while(1) {
/* printp(sys); no prompt */
if (SETJMP(EnvOfStackMachine)) {
if (!Calling_ctrlC_hook) {
Calling_ctrlC_hook = 1; RestrictedMode = 0;
KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
RestrictedMode = RestrictedMode_saved;
}
Calling_ctrlC_hook = 0;
if (mysignal(SIGINT,SIG_IGN) != SIG_IGN) {
mysignal(SIGINT,ctrlC);
}
irt = 1;
continue;
} else { }
if (!irt) {
if (View != V_SAGE) printf("%s",Data_end[View]); fflush(stdout);
}
irt = 0;
/* Reading the input. */
if ((View == V_SAGE) || (View == V_JUPYTER)) {
if (s != NULL) {printf("%s",Prompt[View]); fflush(stdout);}
else {printf("%s",&(Prompt[View][1])); fflush(stdout);}
}else{
printf("%s",Prompt[View]); fflush(stdout);
}
if (TM_Engine == K0) {
s=readString(stdin, " ", " "); /* see test data */
}else if (TM_Engine == SM1) {
s=readString(stdin, " ", " "); /* see test data */
}else{
s=readString(stdin, "if (1) { ", " ; }else{ }"); /* see test data */
}
if (s == NULL) { irt = 1; continue; }
if (!irt) printf("%s",Data_begin_v[View]);
/* Evaluate the input on the engine */
KSexecuteString(" ox.engine oxclearstack ");
KSexecuteString(" ox.engine ");
ob = KpoString(s);
KSpush(ob);
KSexecuteString(" oxsubmit ");
if (TM_Engine == SM1) flushSm1();
/* Get the result in string for cfep. */
if (View != V_TEXMACS) {
KSexecuteString(" ox.engine oxgeterrors ");
ob = KSpop();
if (ob.tag == Sarray) {
if (getoaSize(ob) > 0) {
ob = getoa(ob,0);
KSpush(ob);
KSexecuteString(" translateErrorForCfep ");
r = KSpopString();
outputStringToTunnel(0,(unsigned char *)r,View);
}
}
if (!TM_do_not_print) {
if (Format == 2) { /* png mode */
r = pngGetResult();
}else{
KSexecuteString(" ox.engine oxpopstring ");
r = KSpopString();
}
printv(r);
}else{
KSexecuteString(" ox.engine 1 oxpops ");
KSexecuteString(" ox.engine 0 oxpushcmo ox.engine oxpopcmo ");
ob = KSpop();
printv("");
}
continue;
}
/* Get the result in string for texmacs */
if ((Format == 1) && (! TM_do_not_print)) {
/* translate to latex form */
KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
ob = KSpop();
vmode = 0;
/* printf("id=%d\n",ob.tag); bug: matrix return 17 instead of Sinteger
or error. */
if (ob.tag == Sinteger) {
/* printf("cmotag=%d\n",ob.lc.ival);*/
if (ob.lc.ival == CMO_ERROR2) {
vmode = 1;
}
if (ob.lc.ival == CMO_STRING) {
vmode = 1;
}
}
if (vmode) {
KSexecuteString(" ox.engine oxpopstring ");
r = KSpopString();
}else{
KSexecuteString(" ox.engine 1 oxpushcmo ox.engine (print_tex_form) oxexec ");
KSexecuteString(" ox.engine oxpopstring ");
r = KSpopString();
}
if (isPS(r)) {
printps(r);
}else{
if (vmode) printv(r);
else{
if (strlen(r) < OutputLimit_for_TeXmacs) {
printl(r);
} else printv("Output is too large.\n");
}
}
}else{
if (!TM_do_not_print) {
KSexecuteString(" ox.engine oxpopstring ");
r = KSpopString();
printv(r);
}else{
KSexecuteString(" ox.engine 1 oxpops "); /* Discard the result. */
/* Push and pop dummy data to wait until the computation finishes. */
KSexecuteString(" ox.engine 0 oxpushcmo ox.engine oxpopcmo ");
ob = KSpop();
printv("");
}
}
/* note that there is continue above. */
}
}
static char *pngGetResult(void) {
struct object ob;
int vmode;
char *r;
char *path;
/* translate to latex form */
KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
ob = KSpop();
vmode = 0;
/* printf("id=%d\n",ob.tag); bug: matrix return 17 instead of Sinteger
or error. */
if (ob.tag == Sinteger) {
/* printf("cmotag=%d\n",ob.lc.ival);*/
if (ob.lc.ival == CMO_ERROR2) {
vmode = 1;
}
if (ob.lc.ival == CMO_STRING) {
vmode = 1;
}
}
if (vmode) {
KSexecuteString(" ox.engine oxpopstring ");
r = KSpopString();
}else{
KSexecuteString(" ox.engine 1 oxpushcmo ox.engine (print_png_form2) oxexec ");
KSexecuteString(" ox.engine oxpopcmo /tmp_ox_texmacs set tmp_ox_texmacs 0 get ");
r = KSpopString(); /* input form */
KSexecuteString(" tmp_ox_texmacs 1 get ");
path = KSpopString(); /* path name of the png file. */
pngSendFile(path);
}
return r;
}
#define SB_SIZE 1024
#define INC_BUF if (n >= limit-3) { \
tmp = s; \
limit *= 2; \
s = (char *) sGC_malloc(limit); \
if (s == NULL) { \
fprintf(stderr,"No more memory.\n"); \
exit(10); \
} \
strcpy(s,tmp); \
}
/* */
static char *Sss=NULL;
static int Sss_size=10240;
static char *readString(FILE *fp, char *prolog, char *epilog) {
int n = 0;
static int limit = 0;
static char *s;
int c;
char *tmp;
int i;
int m;
int start;
struct object ob = OINIT;
if (limit == 0) {
limit = 1024;
s = (char *)sGC_malloc(limit);
if (s == NULL) {
fprintf(stderr,"No more memory.\n");
exit(10);
}
}
s[0] = 0; n = 0; m = 0;
for (i=0; i < strlen(prolog); i++) {
s[n++] = prolog[i]; s[n] = 0;
INC_BUF ;
}
start = n;
while ((c = fgetc(fp)) != EOF) {
#ifdef DEBUG2
fprintf(Dfp,"[%x]%c ",c,c); fflush(Dfp);
#endif
if (end_of_input(c)) {
/* If there remains data in the stream,
read the remaining data. (for debug) */
/*
if ((View == V_JUPYTER) || (View == V_SAGE)) {
if (oxSocketSelect0(0,1)) {
#ifdef DEBUG2
fprintf(Dfp,"<%x>%c ",c,c); fflush(Dfp);
#endif
if (c == '\n') c=' ';
s[n++] = c; s[n] = 0; m++;
INC_BUF ;
continue;
}
}
*/
if (View == V_JUPYTER) {
s[n++] = c; s[n] = 0; m++;
INC_BUF ;
}
break;
}
if ( c == '\v') c=' ';
s[n++] = c; s[n] = 0; m++;
INC_BUF ;
}
if ((c == EOF) && (start == n)) exit(0);
/* Check the escape sequence */
if (mystrncmp(&(s[start]),"!quit;") == 0) {
printv("Terminated the process ox_texmacs.\n");
exit(0);
}
if (((View == V_JUPYTER) || (View == V_SAGE)) &&
((mystrncmp(&(s[start]),"quit")==0) || (mystrncmp(&(s[start]),"quit()")==0))) {
printv("Terminated the process ox_texmacs.\n");
exit(0);
}
if ((View == V_JUPYTER) &&
(mystrncmp(&(s[start]),"version")==0)) {
strcpy(&(s[start]),"version");
s[n=strlen(s)]='('; s[++n]=0; INC_BUF;
s[n++]=')'; s[n]=0; INC_BUF;
}
/* Check the escape sequence to change the global env. */
if (strcmp(&(s[start]),"!verbatim;") == 0) {
if (View != V_CFEP) printv("Output mode is changed to verbatim mode.");
Format=0;
return NULL;
}
if (strcmp(&(s[start]),"!latex;") == 0) {
printv("Output mode is changed to latex/verbose.");
Format = 1;
return NULL;
}
if (strcmp(&(s[start]),"!cfep_png;") == 0) {
if (pngCheck()) {
if (View != V_CFEP) printv("Output mode is changed to cfep_png/verbose.");
Format = 2;
} else pngNotAvailable();
return NULL;
}
if (strcmp(&(s[start]),"!asir;") == 0) {
Format=1;
TM_Engine=ASIR; startEngine(TM_Engine,"Asir");
return NULL;
}
if (strcmp(&(s[start]),"!sm1;") == 0) {
Format=0;
TM_Engine=SM1; startEngine(TM_Engine,"sm1");
return NULL;
}
if (strcmp(&(s[start]),"!k0;") == 0) {
Format=0;
TM_Engine=K0; startEngine(TM_Engine,"k0");
return NULL;
}
if (strcmp(&(s[start]),"!reset;") == 0) {
printf("%s",Data_begin_v[View]);
KSexecuteString(" ox.engine oxreset ox.engine oxpopcmo ");
ob = KSpop();
printf("%s",Data_end[View]); fflush(stdout);
return NULL;
}
/* remove end$ or end; */
if (TM_Engine == ASIR) {
for (i=n-1; i>=4; i--) {
if ((s[i-4]=='\n') && (s[i-3]=='e') && (s[i-2]=='n') && (s[i-1]=='d') && (s[i]=='$')) {
s[i-3] = s[i-2] = s[i-1] = s[i] = ' '; break;
}
if ((s[i-4]=='\n') && (s[i-3]=='e') && (s[i-2]=='n') && (s[i-1]=='d') && (s[i]==';')) {
s[i-3] = s[i-2] = s[i-1] = s[i] = ' '; break;
}
}
/* 2019.03.28 for jupyter */
if ((View == V_JUPYTER) && (mystrncmp(&(s[start]),"base_prompt") != 0)
&&(mystrncmp(&(s[start]),"version()") != 0)) {
if (Sss == NULL) {
Sss = (char *)sGC_malloc(Sss_size);
Sss[0] = 0;
}
if (Sss_size < strlen(Sss)+strlen(s)+strlen(epilog)-10) {
Sss_size = 2*Sss_size;
if (Sss_size < 0) { fprintf(stderr,"Fatal error: too big string\n"); exit(-1); }
char *sss_tmp = (char *)sGC_malloc(Sss_size);
strcpy(sss_tmp,Sss);
Sss=sss_tmp;
}
strcpy(&(Sss[strlen(Sss)]),&(s[start]));
for (i=strlen(Sss); i>=0; i--) {
if (Sss[i] < 0x20) continue;
if ((Sss[i] == ';') && (Sss[i-1] == ';')) {
/* construct s and return s */
Sss[i] = ' ';
s = (char *) sGC_malloc(strlen(Sss)+strlen(prolog)+strlen(epilog)+10);
sprintf(s,"%s%s%s",prolog,Sss,epilog);
Sss[0]=0;
#ifdef DEBUG2
fprintf(Dfp,"#By Sss: %s#\n",s); fflush(Dfp);
#endif
return s;
}else break;
}
return NULL;
}
}else{
#ifdef DEBUG2
fprintf(Dfp,"#base_prompt or version()#\n",s); fflush(Dfp);
#endif
}
/* end 2019.03.28 for jupyter. */
/* Set TM_do_no_print */
if (s[n-1] == '$' && TM_Engine == ASIR) {
TM_do_not_print = 1; s[n-1] = ' ';
} else if (s[n-1] == ';' && TM_Engine == SM1) {
TM_do_not_print = 1; s[n-1] = ' ';
} else TM_do_not_print = 0;
for (i=0; i < strlen(epilog); i++) {
s[n++] = epilog[i]; s[n] = 0;
INC_BUF ;
}
#ifdef DEBUG2
fprintf(Dfp,"#By normal readString:%s\n",s); hexout(Dfp,s); fprintf(Dfp,"\n"); fflush(Dfp);
#endif
return s;
}
static int end_of_input(int c) {
if (c == End_of_input[View]) return 1;
else return 0;
}
static void setDefaultParameterForCfep() {
Format = 0;
}
static void setDefaultParameterForSage() {
Format = 0;
}
static void setDefaultParameterForJupyter() {
Format = 0;
}
static void printv(char *s) {
int i;
printf("%s",Data_begin_v[View]);
printf("%s",s);
printf("%s",Data_end[View]);
#ifdef DEBUG2
fprintf(Dfp,"printv:<%s>",s); fflush(Dfp);
#endif
fflush(NULL);
}
static void printl(char *s) {
printf("%s",Data_begin_l[View]);
printf(" $ %s $ ",s);
printf("%s",Data_end[View]);
fflush(NULL);
}
static int isPS(char *s) {
if (s[0] != '%') return 0;
if (s[1] != '%') return 0;
if (s[2] != '!') return 0;
if (s[3] != 'P') return 0;
if (s[4] != 'S') return 0;
return 1;
}
static void printps(char *s) {
printf("%s",Data_begin_ps[View]);
printf("%s",s);
printf("%s",Data_end[View]);
fflush(NULL);
}
static void printp(char *s) {
printf("%s",Data_begin_p[View]);
printf("%s",Data_end[View]);
printf("%s] ",s);
fflush(NULL);
}
static void printCopyright(char *s) {
if (! NoCopyright) {
printf("%s",Data_begin_v[View]);
printf("OpenXM engine (ox engine) interface with TeXmacs protocol.\n2004 (C) openxm.org");
printf(" under the BSD license. !asir; !sm1; !k0; !verbatim; !quit;\n");
printf("Type in !reset; when the engine gets confused. ");
printf("%s",s);
printf("%s",Data_end[View]);
}
fflush(NULL);
}
static void flushSm1() {
KSexecuteString(" oxsm1.ccc ( [(flush)] extension pop ) oxsubmit ");
}
static int startEngine(int type,char *msg) {
struct object ob = OINIT;
if (!TM_quiet) printf("%s",Data_begin_v[View]);
if (type == SM1) {
if (!TM_sm1Started) KSexecuteString(" sm1connectr ");
KSexecuteString(" /ox.engine oxsm1.ccc def ");
/* Initialize the setting of sm1. */
KSexecuteString(" oxsm1.ccc ( [(cmoLispLike) 0] extension ) oxsubmit ");
KSexecuteString(" oxsm1.ccc ( ox_server_mode ) oxsubmit ");
KSexecuteString(" oxsm1.ccc ( ( ) message (------------- Message from sm1 ----------------)message ) oxsubmit ");
flushSm1();
TM_sm1Started = 1;
/* Welcome message. BUG. Copyright should be returned by a function. */
if (! NoCopyright) {
printf("Kan/StackMachine1 1991 April --- 2004.\n");
printf("This software may be freely distributed as is with no warranty expressed. \n");
printf("See OpenXM/Copyright/Copyright.generic\n");
printf("Info: http://www.math.kobe-u.ac.jp/KAN, kan@math.kobe-u.ac.jp.\n");
printf("0 usages to show a list of functions. \n(keyword) usages to see a short description\n");
}
printf("%s\n",msg); fflush(NULL);
}else if (type == K0) {
if (!TM_k0Started) KSexecuteString(" k0connectr ");
KSexecuteString(" /ox.engine oxk0.ccc def ");
TM_k0Started = 1;
printf("%s\n",msg);
}else{
if (!TM_asirStarted) KSexecuteString(" asirconnectr ");
KSexecuteString(" /ox.engine oxasir.ccc def ");
TM_asirStarted = 1;
printf("%s\n",msg);
if ((!NoCopyright) && ((char *)getenv("ASIR_CONFIG") != NULL)) {
KSexecuteString(" oxasir.ccc (copyright()+asir_contrib_copyright();) oxsubmit oxasir.ccc oxpopstring ");
ob = KSpop();
if (ob.tag == Sdollar) {
printf("%s",ob.lc.str);
}
}else if ((!NoCopyright) && ((char *)getenv("ASIR_CONFIG") == NULL)) {
KSexecuteString(" oxasir.ccc (copyright();) oxsubmit oxasir.ccc oxpopstring ");
ob = KSpop();
if (ob.tag == Sdollar) {
printf("%s",ob.lc.str);
}
}
/* Initialize the setting of asir. */
if (AsirInitFile) { /* cf. asir-contrib/packages/src/cfep-init.rr */
unsigned char *ss;
ss = (unsigned char *)sGC_malloc(strlen(AsirInitFile)+256);
sprintf((char *)ss," oxasir.ccc (load(\"%s\");) oxsubmit oxasir.ccc oxgeterrors length 0 gt { (Error in loading asirInitFile) message} { } ifelse ",AsirInitFile);
/* printf("Loading --asirInitFile %s\n",AsirInitFile); */
KSexecuteString(ss);
}
KSexecuteString(" oxasir.ccc (if(1) { Xm_server_mode = 1; Xm_helpdir = \"help-en\"; } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
KSexecuteString(" oxasir.ccc (if(1) { ctrl(\"message\",0); } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
/* bug; if ctrl is written with Xm_helpdir = ... without oxpopcmo, then it does
not work. */
KSexecuteString(" oxasir.ccc (print(\"----------- Messages from asir ------------------------------\")$ ) oxsubmit oxasir.ccc oxpopcmo ");
}
if (!TM_quiet) printf("%s",Data_end[View]);
fflush(NULL);
}
/* test data
1. print("hello"); print("afo");
1+2;
2. def foo(N) { for (I=0; I<10; I++) { --> error
3+5;
4. print("hello"); shift+return print("afo");
*/
static void myEncoder(int c) {
putchar(0xf8 | (0x3 & (c >> 6)));
putchar(0xf0 | (0x7 & (c >> 3)));
putchar(0xf0 | (0x7 & c));
}
static void myEncoderS(unsigned char *s) {
int i,n;
n = strlen((char *)s);
for (i = 0; i<n ; i++) myEncoder(s[i]);
}
static void myEncoderSn(unsigned char *s,int n) {
int i;
for (i = 0; i<n ; i++) myEncoder(s[i]);
}
static void outputStringToTunnel0(int channel, unsigned char *s, int n,int view) {
unsigned char ts[128];
int i;
if (view == GENERIC) {
printf("{%d<%d ",channel,n+1);
for (i=0; i<n; i++) putchar(s[i]);
printf("%c>}",0);
}else if (view == V_CFEP) {
sprintf((char *)ts,"{%d<%d ",channel,n+1);
myEncoderS(ts);
myEncoderSn(s,n); myEncoder(0);
myEncoderS((unsigned char *)">}");
}
fflush(stdout);
}
#define LINE_FEED 0xc /* ^L */
static void outputStringToTunnel(int channel, unsigned char *s, int view) {
int start, i;
start = i = 0;
while (s[i] != 0) {
if (s[i] == LINE_FEED) {
outputStringToTunnel0(channel,&(s[start]),i-start,view);
start = i+1;
}
i++;
}
}
static void pngSendFile(char *path) {
char s[1024];
if (strlen(path) > 1000) return;
sprintf(s,"showFile,%s",path);
outputStringToTunnel0(10,(unsigned char *)s,strlen(s),View);
printf("\n");
fflush(NULL);
}
static int pngCheck(void) {
static int checked = 0;
static int ans = 0;
if (checked) return ans;
checked = 1;
if (!getCommandPath("latex")) return 0;
if (!getCommandPath("dvipng")) return 0;
ans = 1; return 1;
}
static void pngNotAvailable(void) {
char *s = "notAvailable";
outputStringToTunnel0(10,(unsigned char *)s,strlen(s),View);
fflush(NULL);
}
/* Check if a is a substring of s */
static int is_substr_of(char a[],char s[]) {
int n,m,i,j;
n = strlen(s);
m = strlen(a);
for (i=0; i<n-m; i++) {
for (j=0; j<m; j++) {
if (s[i+j] != a[j]) break;
if (j == m-1) return 1;
}
}
return 0;
}
static void hexout(FILE *fp,char s[]) {
int i;
for (i=0; i<strlen(s); i++) fprintf(fp,"%2x ",(unsigned char)s[i]);
}
static int mystrncmp(char a[],char s[]) {
int r;
r=strncmp(a,s,strlen(s));
#ifdef DEBUG2
fprintf(Dfp,"mystrncmp(%s,%s)=%d\n",a,s,r); fflush(Dfp);
#endif
return r;
}
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