Annotation of OpenXM/src/kxx/ox_texmacs.c, Revision 1.20
1.20 ! takayama 1: /* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.19 2004/09/05 00:51:18 takayama Exp $ */
1.1 takayama 2:
3: #include <stdio.h>
4: #include <setjmp.h>
5: #include <signal.h>
6: #include "ox_kan.h"
7: #include "serversm.h"
8:
9: #if defined(__CYGWIN__)
10: #define JMP_BUF sigjmp_buf
11: #define SETJMP(env) sigsetjmp(env,1)
12: #define LONGJMP(env,p) siglongjmp(env,p)
13: #else
14: #define JMP_BUF jmp_buf
15: #define SETJMP(env) setjmp(env)
16: #define LONGJMP(env,p) longjmp(env,p)
17: #endif
18:
1.3 takayama 19: /*
20: #define DEBUG
21: */
1.7 takayama 22: /* #define DEBUG2 */
1.3 takayama 23:
1.2 takayama 24: #ifdef DEBUG
25: #define DATA_BEGIN_V "<S type=verbatim>" /* "\002verbatim:" */
26: #define DATA_BEGIN_L "<S type=latex>" /* "\002latex:" */
27: #define DATA_BEGIN_P "<S type=prompt>" /* "\002channel:prompt " */
1.17 takayama 28: #define DATA_BEGIN_PS "<S type=postscript>" /* "\002ps: " */
1.2 takayama 29: #define DATA_END "</S>" /* "\005" */
30: #else
31: #define DATA_BEGIN_V "\002verbatim:"
32: #define DATA_BEGIN_L "\002latex:"
33: #define DATA_BEGIN_P "\002prompt:"
1.17 takayama 34: #define DATA_BEGIN_PS "\002ps:"
1.2 takayama 35: #define DATA_END "\005"
36: #endif
37:
38: /*
39: #define END_OF_INPUT '#'
40: */
41: #define END_OF_INPUT '\n'
1.1 takayama 42:
1.5 takayama 43: /* Table for the engine type. */
44: #define ASIR 1
45: #define SM1 2
46: #define K0 3
47:
1.1 takayama 48: extern int Quiet;
49: extern JMP_BUF EnvOfStackMachine;
1.19 takayama 50: extern int Calling_ctrlC_hook;
1.20 ! takayama 51: extern int RestrictedMode, RestrictedMode_saved;
1.3 takayama 52: int Format=1; /* 1 : latex mode */
53: int OutputLimit_for_TeXmacs = (1024*10);
1.1 takayama 54:
1.5 takayama 55: int TM_Engine = ASIR ;
56: int TM_asirStarted = 0;
57: int TM_sm1Started = 0;
58: int TM_k0Started = 0;
1.7 takayama 59: int TM_do_not_print = 0;
1.5 takayama 60:
1.15 takayama 61: int Xm_noX = 0;
62: int NoCopyright = 0;
63:
1.1 takayama 64: void ctrlC();
65: struct object KpoString(char *s);
66: char *KSpopString(void);
67:
1.2 takayama 68: static char *readString(FILE *fp,char *prolog, char *eplog);
1.1 takayama 69: static void printv(char *s);
70: static void printl(char *s);
71: static void printp(char *s);
1.17 takayama 72: static void printps(char *s);
1.2 takayama 73: static void printCopyright(char *s);
1.5 takayama 74: static int startEngine(int type,char *msg);
1.17 takayama 75: static int isPS(char *s);
1.2 takayama 76:
77: /* tail -f /tmp/debug-texmacs.txt
78: Debug output to understand the timing problem of pipe interface.
79: */
1.3 takayama 80: FILE *Dfp;
1.1 takayama 81:
1.10 takayama 82: main(int argc,char *argv[]) {
1.1 takayama 83: char *s;
84: char *r;
85: char *sys;
86: struct object ob;
1.3 takayama 87: int irt=0;
1.4 takayama 88: int vmode=1;
1.7 takayama 89: char *openxm_home;
90: char *asir_config;
1.10 takayama 91: int i;
1.1 takayama 92:
1.7 takayama 93: openxm_home = (char *) getenv("OpenXM_HOME");
94: asir_config = (char *) getenv("ASIR_CONFIG");
95: if (openxm_home == NULL || asir_config == NULL) {
1.8 takayama 96: printv("The environmental variables OpenXM_HOME/ASIR_CONFIG are not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs\nBye...");
97: exit(10);
1.7 takayama 98: }
99:
100:
1.3 takayama 101: #ifdef DEBUG2
102: Dfp = fopen("/tmp/debug-texmacs.txt","w");
103: #endif
1.2 takayama 104:
1.1 takayama 105: /* Set consts */
106: Quiet = 1;
1.10 takayama 107: for (i=1; i<argc; i++) {
108: if (strcmp(argv[i],"--sm1") == 0) {
109: TM_Engine = SM1;
110: }else if (strcmp(argv[i],"--asir") == 0) {
111: TM_Engine = ASIR;
112: }else if (strcmp(argv[i],"--k0") == 0) {
113: TM_Engine = K0;
1.14 takayama 114: }else if (strcmp(argv[i],"--outputLimit") == 0) {
115: i++;
116: sscanf(argv[i],"%d",&OutputLimit_for_TeXmacs);
1.15 takayama 117: }else if (strcmp(argv[i],"--noLogWindow") == 0) {
118: Xm_noX = 1;
119: }else if (strcmp(argv[i],"--noCopyright") == 0) {
120: NoCopyright = 1;
1.10 takayama 121: }else{
1.12 takayama 122: /* printv("Unknown option\n"); */
1.10 takayama 123: }
124: }
1.1 takayama 125:
126: /* Initialize kanlib (gc is also initialized) */
127: KSstart();
128:
1.3 takayama 129: /* Main loop */
130: printf("%s",DATA_BEGIN_V);
131: printCopyright("");
132:
1.1 takayama 133: /* Load ox engine here */
134: /* engine id should be set to ox.engine */
135: KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");
1.15 takayama 136: if (Xm_noX) KSexecuteString(" /Xm_noX 1 def ");
1.5 takayama 137: startEngine(TM_Engine," ");
1.1 takayama 138:
139: if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
1.8 takayama 140: signal(SIGINT,ctrlC);
1.1 takayama 141: }
1.3 takayama 142:
143: irt = 0;
1.1 takayama 144: while(1) {
1.8 takayama 145: /* printp(sys); no prompt */
146: if (SETJMP(EnvOfStackMachine)) {
1.19 takayama 147: if (!Calling_ctrlC_hook) {
1.20 ! takayama 148: Calling_ctrlC_hook = 1; RestrictedMode = 0;
1.19 takayama 149: KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
1.20 ! takayama 150: RestrictedMode = RestrictedMode_saved;
1.19 takayama 151: }
152: Calling_ctrlC_hook = 0;
1.8 takayama 153: if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
154: signal(SIGINT,ctrlC);
155: }
156: irt = 1;
157: continue;
158: } else { }
159: if (!irt) {
160: printf("%s",DATA_END); fflush(stdout);
161: }
162: irt = 0;
1.7 takayama 163:
164: /* Reading the input. */
1.8 takayama 165: if (TM_Engine == K0) {
166: s=readString(stdin, " ", " "); /* see test data */
167: }else if (TM_Engine == SM1) {
168: s=readString(stdin, " ", " "); /* see test data */
169: }else{
170: s=readString(stdin, "if (1) { ", " ; }else{ }"); /* see test data */
171: }
1.5 takayama 172:
1.8 takayama 173: if (s == NULL) { irt = 1; continue; }
174: if (!irt) printf("%s",DATA_BEGIN_V);
1.7 takayama 175: /* Evaluate the input on the engine */
1.1 takayama 176: KSexecuteString(" ox.engine ");
1.7 takayama 177: ob = KpoString(s);
1.8 takayama 178: KSpush(ob);
179: KSexecuteString(" oxsubmit ");
180:
1.1 takayama 181: /* Get the result in string. */
1.8 takayama 182: if (Format == 1 && (! TM_do_not_print)) {
183: /* translate to latex form */
184: KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
185: ob = KSpop();
186: vmode = 0;
187: /* printf("id=%d\n",ob.tag); bug: matrix return 17 instead of Sinteger
188: or error. */
189: if (ob.tag == Sinteger) {
190: /* printf("cmotag=%d\n",ob.lc.ival);*/
191: if (ob.lc.ival == CMO_ERROR2) {
192: vmode = 1;
193: }
194: if (ob.lc.ival == CMO_STRING) {
195: vmode = 1;
196: }
197: }
198: if (vmode) {
199: KSexecuteString(" ox.engine oxpopstring ");
200: r = KSpopString();
201: }else{
202: KSexecuteString(" ox.engine 1 oxpushcmo ox.engine (print_tex_form) oxexec ");
203: KSexecuteString(" ox.engine oxpopstring ");
204: r = KSpopString();
205: }
1.17 takayama 206: if (isPS(r)) {
207: printps(r);
208: }else{
209: if (vmode) printv(r);
210: else{
211: if (strlen(r) < OutputLimit_for_TeXmacs) {
212: printl(r);
213: } else printv("Output is too large.\n");
214: }
215: }
1.8 takayama 216: }else{
217: if (!TM_do_not_print) {
218: KSexecuteString(" ox.engine oxpopstring ");
219: r = KSpopString();
1.17 takayama 220: printv(r);
1.8 takayama 221: }else{
222: KSexecuteString(" ox.engine 1 oxpops "); /* Discard the result. */
1.12 takayama 223: /* Push and pop dummy data to wait until the computation finishes. */
224: KSexecuteString(" ox.engine 0 oxpushcmo ox.engine oxpopcmo ");
225: ob = KSpop();
1.8 takayama 226: printv("");
227: }
228: }
1.1 takayama 229: }
230: }
231:
232: #define SB_SIZE 1024
1.8 takayama 233: #define INC_BUF if (n >= limit-3) { \
234: tmp = s; \
235: limit *= 2; \
236: s = (char *) sGC_malloc(limit); \
237: if (s == NULL) { \
238: fprintf(stderr,"No more memory.\n"); \
239: exit(10); \
240: } \
241: strcpy(s,tmp); \
242: }
1.2 takayama 243: /* */
244: static char *readString(FILE *fp, char *prolog, char *epilog) {
1.1 takayama 245: int n = 0;
246: static int limit = 0;
247: static char *s;
248: int c;
249: char *tmp;
1.2 takayama 250: int i;
1.3 takayama 251: int m;
252: int start;
1.13 takayama 253: struct object ob;
1.1 takayama 254: if (limit == 0) {
1.8 takayama 255: limit = 1024;
256: s = (char *)sGC_malloc(limit);
257: if (s == NULL) {
258: fprintf(stderr,"No more memory.\n");
259: exit(10);
260: }
1.1 takayama 261: }
1.2 takayama 262: s[0] = 0; n = 0; m = 0;
263: for (i=0; i < strlen(prolog); i++) {
1.8 takayama 264: s[n++] = prolog[i]; s[n] = 0;
1.2 takayama 265: INC_BUF ;
266: }
1.3 takayama 267: start = n;
1.1 takayama 268: while ((c = fgetc(fp)) != EOF) {
1.3 takayama 269: #ifdef DEBUG2
1.8 takayama 270: fprintf(Dfp,"[%x] ",c); fflush(Dfp);
1.3 takayama 271: #endif
1.8 takayama 272: if (c == END_OF_INPUT) {
1.18 takayama 273: /* If there remains data in the stream,
274: read the remaining data. */
275: /*
1.8 takayama 276: if (oxSocketSelect0(0,1)) {
277: if (c == '\n') c=' ';
278: s[n++] = c; s[n] = 0; m++;
279: INC_BUF ;
280: continue;
281: }
1.18 takayama 282: */
1.8 takayama 283: break;
284: }
1.18 takayama 285: if ( c == '\v') c=' ';
1.8 takayama 286: s[n++] = c; s[n] = 0; m++;
1.2 takayama 287: INC_BUF ;
288: }
1.5 takayama 289: /* Check the escape sequence */
290: if (strcmp(&(s[start]),"!quit;") == 0) {
1.8 takayama 291: printv("Terminated the process ox_texmacs.\n");
292: exit(0);
1.3 takayama 293: }
1.11 takayama 294: /* Check the escape sequence to change the global env. */
1.5 takayama 295: if (strcmp(&(s[start]),"!verbatim;") == 0) {
1.8 takayama 296: printv("Output mode is changed to verbatim mode.");
297: Format=0;
298: return NULL;
1.5 takayama 299: }
300: if (strcmp(&(s[start]),"!latex;") == 0) {
1.8 takayama 301: printv("Output mode is changed to latex/verbose.");
302: Format = 1;
303: return NULL;
1.5 takayama 304: }
305: if (strcmp(&(s[start]),"!asir;") == 0) {
1.8 takayama 306: Format=1;
307: TM_Engine=ASIR; startEngine(TM_Engine,"Asir");
308: return NULL;
1.5 takayama 309: }
310: if (strcmp(&(s[start]),"!sm1;") == 0) {
1.8 takayama 311: Format=0;
312: TM_Engine=SM1; startEngine(TM_Engine,"sm1");
313: return NULL;
1.5 takayama 314: }
315: if (strcmp(&(s[start]),"!k0;") == 0) {
1.8 takayama 316: Format=0;
317: TM_Engine=K0; startEngine(TM_Engine,"k0");
318: return NULL;
1.5 takayama 319: }
1.13 takayama 320: if (strcmp(&(s[start]),"!reset;") == 0) {
321: printf("%s",DATA_BEGIN_V);
322: KSexecuteString(" ox.engine oxreset ox.engine oxpopcmo ");
323: ob = KSpop();
324: printf("%s",DATA_END); fflush(stdout);
325: return NULL;
326: }
1.11 takayama 327:
328: /* Set TM_do_no_print */
329: if (s[n-1] == '$' && TM_Engine == ASIR) {
330: TM_do_not_print = 1; s[n-1] = ' ';
331: } else if (s[n-1] == ';' && TM_Engine == SM1) {
332: TM_do_not_print = 1; s[n-1] = ' ';
333: } else TM_do_not_print = 0;
1.5 takayama 334:
1.2 takayama 335: for (i=0; i < strlen(epilog); i++) {
1.8 takayama 336: s[n++] = epilog[i]; s[n] = 0;
1.2 takayama 337: INC_BUF ;
1.1 takayama 338: }
339: return s;
340: }
341:
342: static void printv(char *s) {
343: int i;
344: printf("%s",DATA_BEGIN_V);
345: printf("%s",s);
346: printf("%s",DATA_END);
1.3 takayama 347: #ifdef DEBUG2
348: fprintf(Dfp,"<%s>",s); fflush(Dfp);
349: #endif
1.1 takayama 350: fflush(NULL);
351: }
352: static void printl(char *s) {
353: printf("%s",DATA_BEGIN_L);
1.4 takayama 354: printf(" $ %s $ ",s);
1.17 takayama 355: printf("%s",DATA_END);
356: fflush(NULL);
357: }
358: static int isPS(char *s) {
359: if (s[0] != '%') return 0;
360: if (s[1] != '%') return 0;
361: if (s[2] != '!') return 0;
362: if (s[3] != 'P') return 0;
363: if (s[4] != 'S') return 0;
364: return 1;
365: }
366: static void printps(char *s) {
367: printf("%s",DATA_BEGIN_PS);
368: printf("%s",s);
1.1 takayama 369: printf("%s",DATA_END);
370: fflush(NULL);
371: }
372: static void printp(char *s) {
373: printf("%s",DATA_BEGIN_P);
1.2 takayama 374: printf("%s",DATA_END);
375: printf("%s] ",s);
376: fflush(NULL);
377: }
378: static void printCopyright(char *s) {
1.3 takayama 379: printf("%s",DATA_BEGIN_V);
1.15 takayama 380: if (! NoCopyright) {
381: printf("OpenXM engine (ox engine) interface for TeXmacs\n2004 (C) openxm.org");
1.16 takayama 382: printf(" under the BSD license. !asir; !sm1; !k0; !verbatim;\n");
1.15 takayama 383: printf("Type in !reset; when the engine gets confused. ");
384: printf("%s",s);
385: }
1.5 takayama 386: printf("%s",DATA_END);
387: fflush(NULL);
388: }
389:
390: static int startEngine(int type,char *msg) {
391: struct object ob;
392: printf("%s",DATA_BEGIN_V);
393: if (type == SM1) {
394: if (!TM_sm1Started) KSexecuteString(" sm1connectr ");
1.8 takayama 395: KSexecuteString(" /ox.engine oxsm1.ccc def ");
1.10 takayama 396: /* Initialize the setting of sm1. */
397: KSexecuteString(" oxsm1.ccc ( [(cmoLispLike) 0] extension ) oxsubmit ");
398: KSexecuteString(" oxsm1.ccc ( ox_server_mode ) oxsubmit ");
399: KSexecuteString(" oxsm1.ccc ( ( ) message (------------- Message from sm1 ----------------)message ) oxsubmit ");
1.8 takayama 400: TM_sm1Started = 1;
1.10 takayama 401: /* Welcome message. BUG. Copyright should be returned by a function. */
1.15 takayama 402: if (! NoCopyright) {
403: printf("Kan/StackMachine1 1991 April --- 2004.\n");
404: printf("This software may be freely distributed as is with no warranty expressed. \n");
405: printf("See OpenXM/Copyright/Copyright.generic\n");
406: printf("Info: http://www.math.kobe-u.ac.jp/KAN, kan@math.kobe-u.ac.jp.\n");
407: printf("0 usages to show a list of functions. \n(keyword) usages to see a short description\n");
408: }
1.8 takayama 409: printf("%s\n",msg);
1.5 takayama 410: }else if (type == K0) {
411: if (!TM_k0Started) KSexecuteString(" k0connectr ");
1.8 takayama 412: KSexecuteString(" /ox.engine oxk0.ccc def ");
413: TM_k0Started = 1;
414: printf("%s\n",msg);
1.5 takayama 415: }else{
416: if (!TM_asirStarted) KSexecuteString(" asirconnectr ");
1.8 takayama 417: KSexecuteString(" /ox.engine oxasir.ccc def ");
418: TM_asirStarted = 1;
419: printf("%s\n",msg);
1.15 takayama 420: if ( ! NoCopyright) {
421: KSexecuteString(" oxasir.ccc (copyright()+asir_contrib_copyright();) oxsubmit oxasir.ccc oxpopstring ");
422: ob = KSpop();
423: if (ob.tag == Sdollar) {
424: printf("%s",ob.lc.str);
425: }
1.8 takayama 426: }
1.7 takayama 427: /* Initialize the setting of asir. */
428: KSexecuteString(" oxasir.ccc (if(1) { Xm_server_mode = 1; Xm_helpdir = \"help-eg\"; } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
429: KSexecuteString(" oxasir.ccc (if(1) { ctrl(\"message\",0); } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
430: /* bug; if ctrl is written with Xm_helpdir = ... without oxpopcmo, then it does
431: not work. */
1.9 takayama 432: KSexecuteString(" oxasir.ccc (print(\"----------- Messages from asir ------------------------------\")$ ) oxsubmit oxasir.ccc oxpopcmo ");
1.5 takayama 433: }
1.1 takayama 434: printf("%s",DATA_END);
435: fflush(NULL);
436: }
1.2 takayama 437:
438: /* test data
439:
440: 1. print("hello"); print("afo");
441:
442: 1+2;
443:
444: 2. def foo(N) { for (I=0; I<10; I++) { --> error
445:
446: 3+5;
447:
448: 4. print("hello"); shift+return print("afo");
449:
450: */
451:
452:
453:
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