Annotation of OpenXM/src/kxx/ox_texmacs.c, Revision 1.38
1.38 ! takayama 1: /* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.37 2015/10/08 11:49:38 takayama Exp $ */
1.1 takayama 2:
3: #include <stdio.h>
1.23 takayama 4: #include <stdlib.h>
5: #include <string.h>
1.1 takayama 6: #include <setjmp.h>
7: #include <signal.h>
8: #include "ox_kan.h"
9: #include "serversm.h"
1.33 takayama 10: #include "ox_pathfinder.h"
1.1 takayama 11:
1.37 takayama 12: #if defined(__CYGWIN__) || defined(__MSYS__)
1.1 takayama 13: #define JMP_BUF sigjmp_buf
1.37 takayama 14: #define SETJMP(env) MYSIGSETJMP(env,1)
15: #define LONGJMP(env,p) MYSIGLONGJMP(env,p)
1.1 takayama 16: #else
17: #define JMP_BUF jmp_buf
1.37 takayama 18: #define SETJMP(env) MYSETJMP(env)
19: #define LONGJMP(env,p) MYLONGJMP(env,p)
1.1 takayama 20: #endif
21:
1.3 takayama 22: /*
23: #define DEBUG
24: */
1.7 takayama 25: /* #define DEBUG2 */
1.3 takayama 26:
1.23 takayama 27: /* Type of View part (user interface engine) */
28: #define GENERIC 0 /* DEBUG, xml */
29: #define V_TEXMACS 1
30: #define V_CFEP 2
31: int View = V_TEXMACS ;
32:
33: char *Data_begin_v[] = {
34: "<S type=verbatim>",
35: "\002verbatim:",
36: "\002",
37: };
38: char *Data_begin_l[] = {
39: "<S type=latex>",
40: "\002latex:",
41: "\002latex:"
42: };
43: char *Data_begin_p[] = {
44: "<S type=prompt>",
45: "\002prompt:",
46: "\002prompt:"
47: };
48: char *Data_begin_ps[] = {
49: "<S type=postscript>",
50: "\002ps:",
51: "\002ps:"
52: };
53: char *Data_end[] = {
54: "</S>",
55: "\005",
1.25 takayama 56: "\n\005" /* \n is not a part of the protocol. */
1.23 takayama 57: };
58:
1.25 takayama 59: /* todo: start_of_input */
1.2 takayama 60:
1.25 takayama 61: char End_of_input[] = {
62: 0x5, /* Use ^E and Return to end the input. */
63: '\n', /* TEXMACS_END_OF_INPUT. 0xd should be used for multiple lines. */
64: 0x5 /* CFEP_END_OF_INPUT */
65: };
1.1 takayama 66:
1.5 takayama 67: /* Table for the engine type. */
68: #define ASIR 1
69: #define SM1 2
70: #define K0 3
71:
1.1 takayama 72: extern int Quiet;
73: extern JMP_BUF EnvOfStackMachine;
1.19 takayama 74: extern int Calling_ctrlC_hook;
1.20 takayama 75: extern int RestrictedMode, RestrictedMode_saved;
1.33 takayama 76: int Format=1; /* 1 : latex mode, 2: cfep_png */
1.3 takayama 77: int OutputLimit_for_TeXmacs = (1024*10);
1.1 takayama 78:
1.22 takayama 79:
1.5 takayama 80: int TM_Engine = ASIR ;
81: int TM_asirStarted = 0;
82: int TM_sm1Started = 0;
83: int TM_k0Started = 0;
1.7 takayama 84: int TM_do_not_print = 0;
1.5 takayama 85:
1.15 takayama 86: int Xm_noX = 0;
87: int NoCopyright = 0;
1.25 takayama 88: int Cpp = 0; /* Use cpp before sending to the engine. */
89: int EngineLogToStdout = 0; /* Do not run the ox engine inside xterm. */
1.15 takayama 90:
1.33 takayama 91: char *AsirInitFile = NULL;
1.32 takayama 92:
1.29 takayama 93: char *LanguageResource = NULL;
94:
1.1 takayama 95: void ctrlC();
96: struct object KpoString(char *s);
97: char *KSpopString(void);
98:
1.2 takayama 99: static char *readString(FILE *fp,char *prolog, char *eplog);
1.1 takayama 100: static void printv(char *s);
101: static void printl(char *s);
102: static void printp(char *s);
1.17 takayama 103: static void printps(char *s);
1.2 takayama 104: static void printCopyright(char *s);
1.5 takayama 105: static int startEngine(int type,char *msg);
1.17 takayama 106: static int isPS(char *s);
1.22 takayama 107: static int end_of_input(int c);
108: static void setDefaultParameterForCfep();
1.2 takayama 109:
1.27 takayama 110: static void myEncoder(int c);
111: static void myEncoderS(unsigned char *s);
112: static void myEncoderSn(unsigned char *s,int n);
113: static void outputStringToTunnel0(int channel, unsigned char *s, int size, int view);
114: static void outputStringToTunnel(int channel, unsigned char *s, int view);
115:
1.33 takayama 116: static void pngSendFile(char *path);
117: static int pngCheck(void);
118: static void pngNotAvailable(void);
119: static char *pngGetResult();
120:
1.31 takayama 121: static void flushSm1();
122:
1.2 takayama 123: /* tail -f /tmp/debug-texmacs.txt
124: Debug output to understand the timing problem of pipe interface.
125: */
1.3 takayama 126: FILE *Dfp;
1.1 takayama 127:
1.10 takayama 128: main(int argc,char *argv[]) {
1.1 takayama 129: char *s;
130: char *r;
131: char *sys;
1.21 takayama 132: struct object ob = OINIT;
1.3 takayama 133: int irt=0;
1.4 takayama 134: int vmode=1;
1.7 takayama 135: char *openxm_home;
136: char *asir_config;
1.33 takayama 137: char *path;
1.10 takayama 138: int i;
1.1 takayama 139:
1.7 takayama 140:
141:
1.3 takayama 142: #ifdef DEBUG2
143: Dfp = fopen("/tmp/debug-texmacs.txt","w");
144: #endif
1.2 takayama 145:
1.36 takayama 146: /* Initialize kanlib (gc is also initialized) */
147: KSstart();
148:
1.1 takayama 149: /* Set consts */
150: Quiet = 1;
1.10 takayama 151: for (i=1; i<argc; i++) {
1.22 takayama 152: if (strcmp(argv[i],"--view") == 0) {
153: i++;
154: if (strcmp(argv[i],"texmacs") == 0) {
155: View = V_TEXMACS;
156: }else if (strcmp(argv[i],"cfep")==0) {
157: View = V_CFEP; setDefaultParameterForCfep();
158: }else{
1.25 takayama 159: View = GENERIC;
1.22 takayama 160: /* printv("Unknown view type.\n"); */
161: }
162: } else if (strcmp(argv[i],"--sm1") == 0) {
163: TM_Engine = SM1;
164: }else if (strcmp(argv[i],"--asir") == 0) {
165: TM_Engine = ASIR;
166: }else if (strcmp(argv[i],"--k0") == 0) {
167: TM_Engine = K0;
1.14 takayama 168: }else if (strcmp(argv[i],"--outputLimit") == 0) {
169: i++;
170: sscanf(argv[i],"%d",&OutputLimit_for_TeXmacs);
1.15 takayama 171: }else if (strcmp(argv[i],"--noLogWindow") == 0) {
1.22 takayama 172: Xm_noX = 1;
1.15 takayama 173: }else if (strcmp(argv[i],"--noCopyright") == 0) {
1.22 takayama 174: NoCopyright = 1;
1.25 takayama 175: }else if (strcmp(argv[i],"--cpp") == 0) {
176: Cpp = 1;
177: }else if (strcmp(argv[i],"--engineLogToStdout") == 0) {
178: EngineLogToStdout = 1;
1.29 takayama 179: }else if (strcmp(argv[i],"--languageResource") == 0) {
180: i++;
181: LanguageResource = (char *)sGC_malloc(strlen(argv[i])+80);
182: sprintf(LanguageResource,
183: " /localizedString.file (%s) def localizedString.load ",argv[i]);
1.32 takayama 184: }else if (strcmp(argv[i],"--asirInitFile") == 0) {
185: i++;
1.33 takayama 186: AsirInitFile = (char *)sGC_malloc(strlen(argv[i])+80);
1.32 takayama 187: sprintf(AsirInitFile,"%s",argv[i]);
1.22 takayama 188: }else{
189: /* printv("Unknown option\n"); */
190: }
1.10 takayama 191: }
1.1 takayama 192:
1.23 takayama 193: openxm_home = (char *) getenv("OpenXM_HOME");
194: asir_config = (char *) getenv("ASIR_CONFIG");
195: if (openxm_home == NULL) {
196: printv("Error. The environmental variable OpenXM_HOME is not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs\nBye...");
197: exit(10);
198: }
199:
1.1 takayama 200:
1.3 takayama 201: /* Main loop */
1.23 takayama 202: printf("%s",Data_begin_v[View]);
203: if ((asir_config == NULL) && (View == V_TEXMACS)) {
204: 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");
205:
206: }
207:
1.3 takayama 208: printCopyright("");
209:
1.23 takayama 210:
1.1 takayama 211: /* Load ox engine here */
212: /* engine id should be set to ox.engine */
213: KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");
1.15 takayama 214: if (Xm_noX) KSexecuteString(" /Xm_noX 1 def ");
1.26 takayama 215: if (EngineLogToStdout) KSexecuteString(" /Xm_engineLogToStdout 1 def ");
1.29 takayama 216: if (LanguageResource != NULL) KSexecuteString(LanguageResource);
1.5 takayama 217: startEngine(TM_Engine," ");
1.1 takayama 218:
219: if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
1.8 takayama 220: signal(SIGINT,ctrlC);
1.1 takayama 221: }
1.3 takayama 222:
223: irt = 0;
1.1 takayama 224: while(1) {
1.8 takayama 225: /* printp(sys); no prompt */
226: if (SETJMP(EnvOfStackMachine)) {
1.19 takayama 227: if (!Calling_ctrlC_hook) {
1.20 takayama 228: Calling_ctrlC_hook = 1; RestrictedMode = 0;
1.19 takayama 229: KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
1.20 takayama 230: RestrictedMode = RestrictedMode_saved;
1.19 takayama 231: }
232: Calling_ctrlC_hook = 0;
1.8 takayama 233: if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
234: signal(SIGINT,ctrlC);
235: }
236: irt = 1;
237: continue;
238: } else { }
239: if (!irt) {
1.23 takayama 240: printf("%s",Data_end[View]); fflush(stdout);
1.8 takayama 241: }
242: irt = 0;
1.7 takayama 243:
244: /* Reading the input. */
1.8 takayama 245: if (TM_Engine == K0) {
246: s=readString(stdin, " ", " "); /* see test data */
247: }else if (TM_Engine == SM1) {
248: s=readString(stdin, " ", " "); /* see test data */
249: }else{
250: s=readString(stdin, "if (1) { ", " ; }else{ }"); /* see test data */
251: }
1.5 takayama 252:
1.8 takayama 253: if (s == NULL) { irt = 1; continue; }
1.23 takayama 254: if (!irt) printf("%s",Data_begin_v[View]);
1.7 takayama 255: /* Evaluate the input on the engine */
1.27 takayama 256: KSexecuteString(" ox.engine oxclearstack ");
1.1 takayama 257: KSexecuteString(" ox.engine ");
1.7 takayama 258: ob = KpoString(s);
1.8 takayama 259: KSpush(ob);
260: KSexecuteString(" oxsubmit ");
1.31 takayama 261:
262: if (TM_Engine == SM1) flushSm1();
1.8 takayama 263:
1.27 takayama 264: /* Get the result in string for cfep. */
265: if (View != V_TEXMACS) {
266: KSexecuteString(" ox.engine oxgeterrors ");
267: ob = KSpop();
268: if (ob.tag == Sarray) {
269: if (getoaSize(ob) > 0) {
270: ob = getoa(ob,0);
271: KSpush(ob);
272: KSexecuteString(" translateErrorForCfep ");
273: r = KSpopString();
274: outputStringToTunnel(0,(unsigned char *)r,View);
275: }
276: }
277: if (!TM_do_not_print) {
1.33 takayama 278: if (Format == 2) { /* png mode */
279: r = pngGetResult();
280: }else{
281: KSexecuteString(" ox.engine oxpopstring ");
282: r = KSpopString();
283: }
1.27 takayama 284: printv(r);
285: }else{
286: KSexecuteString(" ox.engine 1 oxpops ");
287: KSexecuteString(" ox.engine 0 oxpushcmo ox.engine oxpopcmo ");
288: ob = KSpop();
289: printv("");
290: }
291: continue;
292: }
293: /* Get the result in string for texmacs */
1.33 takayama 294: if ((Format == 1) && (! TM_do_not_print)) {
1.8 takayama 295: /* translate to latex form */
296: KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
297: ob = KSpop();
298: vmode = 0;
299: /* printf("id=%d\n",ob.tag); bug: matrix return 17 instead of Sinteger
300: or error. */
301: if (ob.tag == Sinteger) {
302: /* printf("cmotag=%d\n",ob.lc.ival);*/
303: if (ob.lc.ival == CMO_ERROR2) {
304: vmode = 1;
305: }
306: if (ob.lc.ival == CMO_STRING) {
307: vmode = 1;
308: }
309: }
310: if (vmode) {
311: KSexecuteString(" ox.engine oxpopstring ");
312: r = KSpopString();
313: }else{
314: KSexecuteString(" ox.engine 1 oxpushcmo ox.engine (print_tex_form) oxexec ");
315: KSexecuteString(" ox.engine oxpopstring ");
316: r = KSpopString();
317: }
1.17 takayama 318: if (isPS(r)) {
319: printps(r);
320: }else{
321: if (vmode) printv(r);
322: else{
323: if (strlen(r) < OutputLimit_for_TeXmacs) {
324: printl(r);
325: } else printv("Output is too large.\n");
326: }
327: }
1.8 takayama 328: }else{
329: if (!TM_do_not_print) {
330: KSexecuteString(" ox.engine oxpopstring ");
331: r = KSpopString();
1.17 takayama 332: printv(r);
1.8 takayama 333: }else{
334: KSexecuteString(" ox.engine 1 oxpops "); /* Discard the result. */
1.12 takayama 335: /* Push and pop dummy data to wait until the computation finishes. */
336: KSexecuteString(" ox.engine 0 oxpushcmo ox.engine oxpopcmo ");
337: ob = KSpop();
1.8 takayama 338: printv("");
339: }
340: }
1.27 takayama 341: /* note that there is continue above. */
1.1 takayama 342: }
343: }
344:
1.33 takayama 345: static char *pngGetResult(void) {
346: struct object ob;
347: int vmode;
348: char *r;
349: char *path;
350:
351: /* translate to latex form */
352: KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
353: ob = KSpop();
354: vmode = 0;
355: /* printf("id=%d\n",ob.tag); bug: matrix return 17 instead of Sinteger
356: or error. */
357: if (ob.tag == Sinteger) {
358: /* printf("cmotag=%d\n",ob.lc.ival);*/
359: if (ob.lc.ival == CMO_ERROR2) {
360: vmode = 1;
361: }
362: if (ob.lc.ival == CMO_STRING) {
363: vmode = 1;
364: }
365: }
366: if (vmode) {
367: KSexecuteString(" ox.engine oxpopstring ");
368: r = KSpopString();
369: }else{
370: KSexecuteString(" ox.engine 1 oxpushcmo ox.engine (print_png_form2) oxexec ");
371: KSexecuteString(" ox.engine oxpopcmo /tmp_ox_texmacs set tmp_ox_texmacs 0 get ");
372: r = KSpopString(); /* input form */
373: KSexecuteString(" tmp_ox_texmacs 1 get ");
374: path = KSpopString(); /* path name of the png file. */
375: pngSendFile(path);
376: }
377: return r;
378: }
379:
1.1 takayama 380: #define SB_SIZE 1024
1.8 takayama 381: #define INC_BUF if (n >= limit-3) { \
382: tmp = s; \
383: limit *= 2; \
384: s = (char *) sGC_malloc(limit); \
385: if (s == NULL) { \
386: fprintf(stderr,"No more memory.\n"); \
387: exit(10); \
388: } \
389: strcpy(s,tmp); \
390: }
1.2 takayama 391: /* */
392: static char *readString(FILE *fp, char *prolog, char *epilog) {
1.1 takayama 393: int n = 0;
394: static int limit = 0;
395: static char *s;
396: int c;
397: char *tmp;
1.2 takayama 398: int i;
1.3 takayama 399: int m;
400: int start;
1.21 takayama 401: struct object ob = OINIT;
1.1 takayama 402: if (limit == 0) {
1.8 takayama 403: limit = 1024;
404: s = (char *)sGC_malloc(limit);
405: if (s == NULL) {
406: fprintf(stderr,"No more memory.\n");
407: exit(10);
408: }
1.1 takayama 409: }
1.2 takayama 410: s[0] = 0; n = 0; m = 0;
411: for (i=0; i < strlen(prolog); i++) {
1.8 takayama 412: s[n++] = prolog[i]; s[n] = 0;
1.2 takayama 413: INC_BUF ;
414: }
1.3 takayama 415: start = n;
1.1 takayama 416: while ((c = fgetc(fp)) != EOF) {
1.3 takayama 417: #ifdef DEBUG2
1.8 takayama 418: fprintf(Dfp,"[%x] ",c); fflush(Dfp);
1.3 takayama 419: #endif
1.22 takayama 420: if (end_of_input(c)) {
1.18 takayama 421: /* If there remains data in the stream,
1.25 takayama 422: read the remaining data. (for debug) */
1.18 takayama 423: /*
1.8 takayama 424: if (oxSocketSelect0(0,1)) {
425: if (c == '\n') c=' ';
426: s[n++] = c; s[n] = 0; m++;
427: INC_BUF ;
428: continue;
429: }
1.18 takayama 430: */
1.8 takayama 431: break;
432: }
1.18 takayama 433: if ( c == '\v') c=' ';
1.8 takayama 434: s[n++] = c; s[n] = 0; m++;
1.2 takayama 435: INC_BUF ;
436: }
1.5 takayama 437: /* Check the escape sequence */
438: if (strcmp(&(s[start]),"!quit;") == 0) {
1.8 takayama 439: printv("Terminated the process ox_texmacs.\n");
440: exit(0);
1.3 takayama 441: }
1.11 takayama 442: /* Check the escape sequence to change the global env. */
1.5 takayama 443: if (strcmp(&(s[start]),"!verbatim;") == 0) {
1.33 takayama 444: if (View != V_CFEP) printv("Output mode is changed to verbatim mode.");
1.8 takayama 445: Format=0;
446: return NULL;
1.5 takayama 447: }
448: if (strcmp(&(s[start]),"!latex;") == 0) {
1.8 takayama 449: printv("Output mode is changed to latex/verbose.");
450: Format = 1;
451: return NULL;
1.5 takayama 452: }
1.33 takayama 453: if (strcmp(&(s[start]),"!cfep_png;") == 0) {
454: if (pngCheck()) {
455: if (View != V_CFEP) printv("Output mode is changed to cfep_png/verbose.");
456: Format = 2;
457: } else pngNotAvailable();
458: return NULL;
459: }
1.5 takayama 460: if (strcmp(&(s[start]),"!asir;") == 0) {
1.8 takayama 461: Format=1;
462: TM_Engine=ASIR; startEngine(TM_Engine,"Asir");
463: return NULL;
1.5 takayama 464: }
465: if (strcmp(&(s[start]),"!sm1;") == 0) {
1.8 takayama 466: Format=0;
467: TM_Engine=SM1; startEngine(TM_Engine,"sm1");
468: return NULL;
1.5 takayama 469: }
470: if (strcmp(&(s[start]),"!k0;") == 0) {
1.8 takayama 471: Format=0;
472: TM_Engine=K0; startEngine(TM_Engine,"k0");
473: return NULL;
1.5 takayama 474: }
1.13 takayama 475: if (strcmp(&(s[start]),"!reset;") == 0) {
1.23 takayama 476: printf("%s",Data_begin_v[View]);
1.13 takayama 477: KSexecuteString(" ox.engine oxreset ox.engine oxpopcmo ");
478: ob = KSpop();
1.23 takayama 479: printf("%s",Data_end[View]); fflush(stdout);
1.13 takayama 480: return NULL;
481: }
1.11 takayama 482:
1.32 takayama 483: /* remove end$ or end; */
484: if (TM_Engine == ASIR) {
485: for (i=n-1; i>=4; i--) {
486: if ((s[i-4]=='\n') && (s[i-3]=='e') && (s[i-2]=='n') && (s[i-1]=='d') && (s[i]=='$')) {
487: s[i-3] = s[i-2] = s[i-1] = s[i] = ' '; break;
488: }
489: if ((s[i-4]=='\n') && (s[i-3]=='e') && (s[i-2]=='n') && (s[i-1]=='d') && (s[i]==';')) {
490: s[i-3] = s[i-2] = s[i-1] = s[i] = ' '; break;
491: }
492: }
493: }
494:
1.11 takayama 495: /* Set TM_do_no_print */
496: if (s[n-1] == '$' && TM_Engine == ASIR) {
497: TM_do_not_print = 1; s[n-1] = ' ';
498: } else if (s[n-1] == ';' && TM_Engine == SM1) {
499: TM_do_not_print = 1; s[n-1] = ' ';
500: } else TM_do_not_print = 0;
1.5 takayama 501:
1.2 takayama 502: for (i=0; i < strlen(epilog); i++) {
1.8 takayama 503: s[n++] = epilog[i]; s[n] = 0;
1.2 takayama 504: INC_BUF ;
1.1 takayama 505: }
506: return s;
1.22 takayama 507: }
508:
509: static int end_of_input(int c) {
1.25 takayama 510: if (c == End_of_input[View]) return 1;
511: else return 0;
1.22 takayama 512: }
1.25 takayama 513:
1.22 takayama 514: static void setDefaultParameterForCfep() {
515: Format = 0;
1.1 takayama 516: }
517:
518: static void printv(char *s) {
519: int i;
1.23 takayama 520: printf("%s",Data_begin_v[View]);
1.1 takayama 521: printf("%s",s);
1.23 takayama 522: printf("%s",Data_end[View]);
1.3 takayama 523: #ifdef DEBUG2
524: fprintf(Dfp,"<%s>",s); fflush(Dfp);
525: #endif
1.1 takayama 526: fflush(NULL);
527: }
528: static void printl(char *s) {
1.23 takayama 529: printf("%s",Data_begin_l[View]);
1.4 takayama 530: printf(" $ %s $ ",s);
1.23 takayama 531: printf("%s",Data_end[View]);
1.17 takayama 532: fflush(NULL);
533: }
534: static int isPS(char *s) {
535: if (s[0] != '%') return 0;
536: if (s[1] != '%') return 0;
537: if (s[2] != '!') return 0;
538: if (s[3] != 'P') return 0;
539: if (s[4] != 'S') return 0;
540: return 1;
541: }
542: static void printps(char *s) {
1.23 takayama 543: printf("%s",Data_begin_ps[View]);
1.17 takayama 544: printf("%s",s);
1.23 takayama 545: printf("%s",Data_end[View]);
1.1 takayama 546: fflush(NULL);
547: }
548: static void printp(char *s) {
1.23 takayama 549: printf("%s",Data_begin_p[View]);
550: printf("%s",Data_end[View]);
1.2 takayama 551: printf("%s] ",s);
552: fflush(NULL);
553: }
554: static void printCopyright(char *s) {
1.23 takayama 555: printf("%s",Data_begin_v[View]);
1.15 takayama 556: if (! NoCopyright) {
1.24 takayama 557: printf("OpenXM engine (ox engine) interface with TeXmacs protocol.\n2004 (C) openxm.org");
558: printf(" under the BSD license. !asir; !sm1; !k0; !verbatim; !quit;\n");
1.15 takayama 559: printf("Type in !reset; when the engine gets confused. ");
560: printf("%s",s);
561: }
1.23 takayama 562: printf("%s",Data_end[View]);
1.5 takayama 563: fflush(NULL);
564: }
565:
1.31 takayama 566: static void flushSm1() {
567: KSexecuteString(" oxsm1.ccc ( [(flush)] extension pop ) oxsubmit ");
568: }
1.5 takayama 569: static int startEngine(int type,char *msg) {
1.21 takayama 570: struct object ob = OINIT;
1.23 takayama 571: printf("%s",Data_begin_v[View]);
1.5 takayama 572: if (type == SM1) {
573: if (!TM_sm1Started) KSexecuteString(" sm1connectr ");
1.8 takayama 574: KSexecuteString(" /ox.engine oxsm1.ccc def ");
1.10 takayama 575: /* Initialize the setting of sm1. */
576: KSexecuteString(" oxsm1.ccc ( [(cmoLispLike) 0] extension ) oxsubmit ");
577: KSexecuteString(" oxsm1.ccc ( ox_server_mode ) oxsubmit ");
1.31 takayama 578: KSexecuteString(" oxsm1.ccc ( ( ) message (------------- Message from sm1 ----------------)message ) oxsubmit ");
579: flushSm1();
1.8 takayama 580: TM_sm1Started = 1;
1.10 takayama 581: /* Welcome message. BUG. Copyright should be returned by a function. */
1.15 takayama 582: if (! NoCopyright) {
583: printf("Kan/StackMachine1 1991 April --- 2004.\n");
584: printf("This software may be freely distributed as is with no warranty expressed. \n");
585: printf("See OpenXM/Copyright/Copyright.generic\n");
586: printf("Info: http://www.math.kobe-u.ac.jp/KAN, kan@math.kobe-u.ac.jp.\n");
587: printf("0 usages to show a list of functions. \n(keyword) usages to see a short description\n");
588: }
1.30 takayama 589: printf("%s\n",msg); fflush(NULL);
1.5 takayama 590: }else if (type == K0) {
591: if (!TM_k0Started) KSexecuteString(" k0connectr ");
1.8 takayama 592: KSexecuteString(" /ox.engine oxk0.ccc def ");
593: TM_k0Started = 1;
594: printf("%s\n",msg);
1.5 takayama 595: }else{
596: if (!TM_asirStarted) KSexecuteString(" asirconnectr ");
1.8 takayama 597: KSexecuteString(" /ox.engine oxasir.ccc def ");
598: TM_asirStarted = 1;
599: printf("%s\n",msg);
1.24 takayama 600: if ((!NoCopyright) && ((char *)getenv("ASIR_CONFIG") != NULL)) {
1.15 takayama 601: KSexecuteString(" oxasir.ccc (copyright()+asir_contrib_copyright();) oxsubmit oxasir.ccc oxpopstring ");
1.24 takayama 602: ob = KSpop();
603: if (ob.tag == Sdollar) {
604: printf("%s",ob.lc.str);
605: }
606: }else if ((!NoCopyright) && ((char *)getenv("ASIR_CONFIG") == NULL)) {
607: KSexecuteString(" oxasir.ccc (copyright();) oxsubmit oxasir.ccc oxpopstring ");
1.15 takayama 608: ob = KSpop();
609: if (ob.tag == Sdollar) {
610: printf("%s",ob.lc.str);
611: }
1.8 takayama 612: }
1.7 takayama 613: /* Initialize the setting of asir. */
1.32 takayama 614: if (AsirInitFile) { /* cf. asir-contrib/packages/src/cfep-init.rr */
615: unsigned char *ss;
1.36 takayama 616: ss = (unsigned char *)sGC_malloc(strlen(AsirInitFile)+256);
1.33 takayama 617: sprintf((char *)ss," oxasir.ccc (load(\"%s\");) oxsubmit oxasir.ccc oxgeterrors length 0 gt { (Error in loading asirInitFile) message} { } ifelse ",AsirInitFile);
1.32 takayama 618: /* printf("Loading --asirInitFile %s\n",AsirInitFile); */
619: KSexecuteString(ss);
620: }
1.35 ohara 621: KSexecuteString(" oxasir.ccc (if(1) { Xm_server_mode = 1; Xm_helpdir = \"help-en\"; } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
1.7 takayama 622: KSexecuteString(" oxasir.ccc (if(1) { ctrl(\"message\",0); } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
623: /* bug; if ctrl is written with Xm_helpdir = ... without oxpopcmo, then it does
624: not work. */
1.9 takayama 625: KSexecuteString(" oxasir.ccc (print(\"----------- Messages from asir ------------------------------\")$ ) oxsubmit oxasir.ccc oxpopcmo ");
1.5 takayama 626: }
1.23 takayama 627: printf("%s",Data_end[View]);
1.1 takayama 628: fflush(NULL);
629: }
1.2 takayama 630:
631: /* test data
632:
633: 1. print("hello"); print("afo");
634:
635: 1+2;
636:
637: 2. def foo(N) { for (I=0; I<10; I++) { --> error
638:
639: 3+5;
640:
641: 4. print("hello"); shift+return print("afo");
642:
643: */
1.27 takayama 644:
645: static void myEncoder(int c) {
646: putchar(0xf8 | (0x3 & (c >> 6)));
647: putchar(0xf0 | (0x7 & (c >> 3)));
648: putchar(0xf0 | (0x7 & c));
649: }
650: static void myEncoderS(unsigned char *s) {
651: int i,n;
1.33 takayama 652: n = strlen((char *)s);
1.27 takayama 653: for (i = 0; i<n ; i++) myEncoder(s[i]);
654: }
655: static void myEncoderSn(unsigned char *s,int n) {
656: int i;
657: for (i = 0; i<n ; i++) myEncoder(s[i]);
658: }
659: static void outputStringToTunnel0(int channel, unsigned char *s, int n,int view) {
660: unsigned char ts[128];
661: int i;
662: if (view == GENERIC) {
663: printf("{%d<%d ",channel,n+1);
664: for (i=0; i<n; i++) putchar(s[i]);
665: printf("%c>}",0);
666: }else if (view == V_CFEP) {
1.33 takayama 667: sprintf((char *)ts,"{%d<%d ",channel,n+1);
1.27 takayama 668: myEncoderS(ts);
669: myEncoderSn(s,n); myEncoder(0);
1.33 takayama 670: myEncoderS((unsigned char *)">}");
1.27 takayama 671: }
672: fflush(stdout);
673: }
1.28 takayama 674: #define LINE_FEED 0xc /* ^L */
1.27 takayama 675: static void outputStringToTunnel(int channel, unsigned char *s, int view) {
676: int start, i;
677: start = i = 0;
678: while (s[i] != 0) {
1.28 takayama 679: if (s[i] == LINE_FEED) {
680: outputStringToTunnel0(channel,&(s[start]),i-start,view);
1.27 takayama 681: start = i+1;
682: }
683: i++;
684: }
685: }
686:
1.2 takayama 687:
1.33 takayama 688: static void pngSendFile(char *path) {
689: char s[1024];
690: if (strlen(path) > 1000) return;
691: sprintf(s,"showFile,%s",path);
692: outputStringToTunnel0(10,(unsigned char *)s,strlen(s),View);
693: printf("\n");
694: fflush(NULL);
695: }
696: static int pngCheck(void) {
697: static int checked = 0;
698: static int ans = 0;
699: if (checked) return ans;
700: checked = 1;
701: if (!getCommandPath("latex")) return 0;
1.34 takayama 702: if (!getCommandPath("dvipng")) return 0;
1.33 takayama 703: ans = 1; return 1;
704: }
705: static void pngNotAvailable(void) {
706: char *s = "notAvailable";
707: outputStringToTunnel0(10,(unsigned char *)s,strlen(s),View);
708: fflush(NULL);
709: }
1.2 takayama 710:
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