Annotation of OpenXM/src/kxx/ox_texmacs.c, Revision 1.5
1.5 ! takayama 1: /* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.4 2004/03/01 07:55:38 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: */
22: #define DEBUG2
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 " */
28: #define DATA_END "</S>" /* "\005" */
29: #else
30: #define DATA_BEGIN_V "\002verbatim:"
31: #define DATA_BEGIN_L "\002latex:"
32: #define DATA_BEGIN_P "\002prompt:"
33: #define DATA_END "\005"
34: #endif
35:
36: /*
37: #define END_OF_INPUT '#'
38: */
39: #define END_OF_INPUT '\n'
1.1 takayama 40:
1.5 ! takayama 41: /* Table for the engine type. */
! 42: #define ASIR 1
! 43: #define SM1 2
! 44: #define K0 3
! 45:
1.1 takayama 46: extern int Quiet;
47: extern JMP_BUF EnvOfStackMachine;
1.3 takayama 48: int Format=1; /* 1 : latex mode */
49: int OutputLimit_for_TeXmacs = (1024*10);
1.1 takayama 50:
1.5 ! takayama 51: int TM_Engine = ASIR ;
! 52: int TM_asirStarted = 0;
! 53: int TM_sm1Started = 0;
! 54: int TM_k0Started = 0;
! 55:
1.1 takayama 56: void ctrlC();
57: struct object KpoString(char *s);
58: char *KSpopString(void);
59:
1.2 takayama 60: static char *readString(FILE *fp,char *prolog, char *eplog);
1.1 takayama 61: static void printv(char *s);
62: static void printl(char *s);
63: static void printp(char *s);
1.2 takayama 64: static void printCopyright(char *s);
1.5 ! takayama 65: static int startEngine(int type,char *msg);
1.2 takayama 66:
67: /* tail -f /tmp/debug-texmacs.txt
68: Debug output to understand the timing problem of pipe interface.
69: */
1.3 takayama 70: FILE *Dfp;
1.1 takayama 71:
72: main() {
73: char *s;
74: char *r;
75: char *sys;
76: struct object ob;
1.3 takayama 77: int irt=0;
1.4 takayama 78: int vmode=1;
1.1 takayama 79:
1.3 takayama 80: #ifdef DEBUG2
81: Dfp = fopen("/tmp/debug-texmacs.txt","w");
82: #endif
1.2 takayama 83:
1.1 takayama 84: /* Set consts */
85: sys = "asir> ";
86: Quiet = 1;
87:
88: /* Initialize kanlib (gc is also initialized) */
89: KSstart();
90:
1.3 takayama 91: /* Main loop */
92: printf("%s",DATA_BEGIN_V);
93: printCopyright("");
94:
1.1 takayama 95: /* Load ox engine here */
96: /* engine id should be set to ox.engine */
97: KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");
1.5 ! takayama 98: startEngine(TM_Engine," ");
1.1 takayama 99:
100: if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
101: signal(SIGINT,ctrlC);
102: }
1.3 takayama 103:
104: irt = 0;
1.1 takayama 105: while(1) {
1.2 takayama 106: /* printp(sys); no prompt */
1.1 takayama 107: if (SETJMP(EnvOfStackMachine)) {
108: printv("Syntax error or an interruption\n");
109: KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
110: if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
111: signal(SIGINT,ctrlC);
112: }
1.3 takayama 113: irt = 1;
1.1 takayama 114: continue;
115: } else { }
1.3 takayama 116: if (!irt) {
117: printf("%s",DATA_END); fflush(stdout);
118: }
119: irt = 0;
1.5 ! takayama 120: if (TM_Engine == K0) {
! 121: s=readString(stdin, " ", " "); /* see test data */
! 122: }else if (TM_Engine == SM1) {
! 123: s=readString(stdin, " ", " "); /* see test data */
! 124: }else{
! 125: s=readString(stdin, "if (1) { ", " ; }else{ }"); /* see test data */
! 126: }
! 127:
! 128: if (s == NULL) { irt = 1; continue; }
1.3 takayama 129: printf("%s",DATA_BEGIN_V);
1.1 takayama 130: KSexecuteString(" ox.engine ");
131: ob = KpoString(s);
132: KSpush(ob);
133: KSexecuteString(" oxsubmit ");
134:
135: /* Get the result in string. */
136: if (Format == 1) {
137: /* translate to latex form */
1.4 takayama 138: KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
139: ob = KSpop();
140: vmode = 0;
141: /* printf("id=%d\n",ob.tag); bug: matrix return 17 instead of Sinteger
142: or error. */
143: if (ob.tag == Sinteger) {
144: /* printf("cmotag=%d\n",ob.lc.ival);*/
145: if (ob.lc.ival == CMO_ERROR2) {
146: vmode = 1;
147: }
1.5 ! takayama 148: if (ob.lc.ival == CMO_STRING) {
! 149: vmode = 1;
! 150: }
1.4 takayama 151: }
152: if (vmode) {
153: KSexecuteString(" ox.engine oxpopstring ");
154: r = KSpopString();
155: }else{
156: KSexecuteString(" ox.engine 1 oxpushcmo ox.engine (print_tex_form) oxexec ");
157: KSexecuteString(" ox.engine oxpopstring ");
158: r = KSpopString();
159: }
160: if (strlen(r) < OutputLimit_for_TeXmacs) {
161: if (vmode) printv(r); else printl(r);
162: } else printv("Output is too large.\n");
1.1 takayama 163: }else{
164: KSexecuteString(" ox.engine oxpopstring ");
165: r = KSpopString();
1.3 takayama 166: if (strlen(r) < OutputLimit_for_TeXmacs) printv(r);
167: else printv("Output is too large.\n");
1.1 takayama 168: }
169: }
170: }
171:
172: #define SB_SIZE 1024
1.2 takayama 173: #define INC_BUF if (n >= limit-3) { \
174: tmp = s; \
175: limit *= 2; \
176: s = (char *) sGC_malloc(limit); \
177: if (s == NULL) { \
178: fprintf(stderr,"No more memory.\n"); \
179: exit(10); \
180: } \
181: strcpy(s,tmp); \
182: }
183: /* */
184: static char *readString(FILE *fp, char *prolog, char *epilog) {
1.1 takayama 185: int n = 0;
186: static int limit = 0;
187: static char *s;
188: int c;
189: char *tmp;
1.2 takayama 190: int i;
1.3 takayama 191: int m;
192: int start;
1.1 takayama 193: if (limit == 0) {
194: limit = 1024;
195: s = (char *)sGC_malloc(limit);
196: if (s == NULL) {
197: fprintf(stderr,"No more memory.\n");
198: exit(10);
199: }
200: }
1.2 takayama 201: s[0] = 0; n = 0; m = 0;
202: for (i=0; i < strlen(prolog); i++) {
203: s[n++] = prolog[i]; s[n] = 0;
204: INC_BUF ;
205: }
1.3 takayama 206: start = n;
1.1 takayama 207: while ((c = fgetc(fp)) != EOF) {
1.3 takayama 208: #ifdef DEBUG2
209: fprintf(Dfp,"[%x] ",c); fflush(Dfp);
210: #endif
1.2 takayama 211: if (c == END_OF_INPUT) {
1.3 takayama 212: if (oxSocketSelect0(0,1)) {
213: /* If there remains data in the stream,
214: read the remaining data. */
215: if (c == '\n') c=' ';
216: s[n++] = c; s[n] = 0; m++;
217: INC_BUF ;
218: continue;
219: }
1.2 takayama 220: break;
1.1 takayama 221: }
1.2 takayama 222: if (c == '\n') c=' ';
223: s[n++] = c; s[n] = 0; m++;
224: INC_BUF ;
225: }
1.5 ! takayama 226: /* Check the escape sequence */
! 227: if (strcmp(&(s[start]),"!quit;") == 0) {
1.3 takayama 228: printv("Terminated the process ox_texmacs.\n");
229: exit(0);
230: }
1.5 ! takayama 231: /* Check the escape sequence to change the globa env. */
! 232: if (strcmp(&(s[start]),"!verbatim;") == 0) {
! 233: printv("Output mode is changed to verbatim mode.");
! 234: Format=0;
! 235: return NULL;
! 236: }
! 237: if (strcmp(&(s[start]),"!latex;") == 0) {
! 238: printv("Output mode is changed to latex/verbose.");
! 239: Format = 1;
! 240: return NULL;
! 241: }
! 242: if (strcmp(&(s[start]),"!asir;") == 0) {
! 243: Format=1;
! 244: TM_Engine=ASIR; startEngine(TM_Engine,"Asir");
! 245: return NULL;
! 246: }
! 247: if (strcmp(&(s[start]),"!sm1;") == 0) {
! 248: Format=0;
! 249: TM_Engine=SM1; startEngine(TM_Engine,"sm1");
! 250: return NULL;
! 251: }
! 252: if (strcmp(&(s[start]),"!k0;") == 0) {
! 253: Format=0;
! 254: TM_Engine=K0; startEngine(TM_Engine,"k0");
! 255: return NULL;
! 256: }
! 257:
1.2 takayama 258: for (i=0; i < strlen(epilog); i++) {
259: s[n++] = epilog[i]; s[n] = 0;
260: INC_BUF ;
1.1 takayama 261: }
262: return s;
263: }
264:
265: static void printv(char *s) {
266: int i;
267: printf("%s",DATA_BEGIN_V);
268: printf("%s",s);
269: printf("%s",DATA_END);
1.3 takayama 270: #ifdef DEBUG2
271: fprintf(Dfp,"<%s>",s); fflush(Dfp);
272: #endif
1.1 takayama 273: fflush(NULL);
274: }
275: static void printl(char *s) {
276: printf("%s",DATA_BEGIN_L);
1.4 takayama 277: printf(" $ %s $ ",s);
1.1 takayama 278: printf("%s",DATA_END);
279: fflush(NULL);
280: }
281: static void printp(char *s) {
282: printf("%s",DATA_BEGIN_P);
1.2 takayama 283: printf("%s",DATA_END);
284: printf("%s] ",s);
285: fflush(NULL);
286: }
287: static void printCopyright(char *s) {
1.3 takayama 288: printf("%s",DATA_BEGIN_V);
1.5 ! takayama 289: printf("OpenXM engine (ox engine) interface for TeXmacs\n2004 (C) openxm.org");
! 290: printf(" under the BSD licence. !asir, !sm1, !k0.");
1.1 takayama 291: printf("%s",s);
1.5 ! takayama 292: printf("%s",DATA_END);
! 293: fflush(NULL);
! 294: }
! 295:
! 296: static int startEngine(int type,char *msg) {
! 297: struct object ob;
! 298: printf("%s",DATA_BEGIN_V);
! 299: if (type == SM1) {
! 300: if (!TM_sm1Started) KSexecuteString(" sm1connectr ");
! 301: KSexecuteString(" /ox.engine oxsm1.ccc def ");
! 302: TM_sm1Started = 1;
! 303: printf("%s\n",msg);
! 304: }else if (type == K0) {
! 305: if (!TM_k0Started) KSexecuteString(" k0connectr ");
! 306: KSexecuteString(" /ox.engine oxk0.ccc def ");
! 307: TM_k0Started = 1;
! 308: printf("%s\n",msg);
! 309: }else{
! 310: if (!TM_asirStarted) KSexecuteString(" asirconnectr ");
! 311: KSexecuteString(" /ox.engine oxasir.ccc def ");
! 312: TM_asirStarted = 1;
! 313: printf("%s\n",msg);
! 314: KSexecuteString(" oxasir.ccc (copyright();) oxsubmit oxasir.ccc oxpopstring ");
! 315: ob = KSpop();
! 316: if (ob.tag == Sdollar) {
! 317: printf("%s",ob.lc.str);
! 318: }
! 319: }
1.1 takayama 320: printf("%s",DATA_END);
321: fflush(NULL);
322: }
1.2 takayama 323:
324: /* test data
325:
326: 1. print("hello"); print("afo");
327:
328: 1+2;
329:
330: 2. def foo(N) { for (I=0; I<10; I++) { --> error
331:
332: 3+5;
333:
334: 4. print("hello"); shift+return print("afo");
335:
336: */
337:
338:
339:
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