Annotation of loncom/homework/CAPA-converter/capaLexerDef.flex, revision 1.1
1.1 ! albertel 1: /*------------------------------------------------------------------------*/
! 2: /* capaLexerDef.flex created by Isaac Tsai Jul 15 1996 */
! 3: /* added /END(variable) */
! 4: /* added /HIN .... /DIS(variable) ... */
! 5: /* Jan 15 1998 /{KeyWord}{KeyWord}{KeyWord} */
! 6: /* replaced by /DIS */
! 7: /* catch "No /END() statement found" */
! 8: /* catch "/DIS(")" and "/DIS(""")" errors " */
! 9: /* catch "/LET var = " */
! 10: /* add a new token EoL to indicate '\n' '\r''\n' and '\r' */
! 11: /* This file is based on flex 2.5.3, flex 2.3 apparantly cannot take it :-( */
! 12: /* DONE /RMAP() function July 14, 1998 */
! 13: /* DONE /AND /OR answer formats July 20, 1998 */
! 14: /* DONE /IF () /ENDIF July 26, 1998 */
! 15: /* DONE /WHILE () /ENDWHILE August 10 1998 */
! 16: /* DONE /VERB /ENDVERB Feb 20 1998 */
! 17: /*------------------------------------------------------------------------*/
! 18: /**************************************************************************/
! 19:
! 20: %{
! 21:
! 22: #include <stdio.h>
! 23: #include <stdlib.h> /* strtod(), strtol() */
! 24: #include <string.h>
! 25: #ifdef NeXT
! 26: #include <sys/file.h>
! 27: #else
! 28: #include <unistd.h> /* access() */
! 29: #endif
! 30:
! 31: #include "capaCommon.h" /* capa_access() */
! 32: #include "capaParser.h" /* _symbol structure def */
! 33: #include "lex_debug.h" /* defined RETURN(xxx) macro */
! 34: #ifdef YYSTYPE
! 35: #undef YYSTYPE
! 36: #endif
! 37: #define YYSTYPE Symbol_p
! 38: #include "capaToken.h" /* from YACC -d capaGrammarDef.y */
! 39:
! 40:
! 41:
! 42: /* ============================================== begin of code */
! 43:
! 44: #define LEX_BUFLEN (8*1024) /* lexical buffer size (for each opened file) */
! 45:
! 46: #ifdef YYLMAX
! 47: #undef YYLMAX
! 48: #define YYLMAX 8192
! 49: #endif
! 50:
! 51: void yyfatalerror(char*msg);
! 52: #define YY_FATAL_ERROR yyfatalerror
! 53:
! 54: #ifdef LEX_DBUG
! 55: #define LLDBUG_PRL1(xx) { printf("Line %d ",Current_line[Input_idx]); printf(xx); fflush(stdout); }
! 56: #define LLDBUG_PRL2(xx,yy) { printf("Line %d ",Current_line[Input_idx]); printf(xx,yy); fflush(stdout); }
! 57: #define LLDBUG_PR1(xx) { printf(xx); fflush(stdout); }
! 58: #define LLDBUG_PR2(xx,yy) { printf(xx,yy); fflush(stdout); }
! 59: #define LLDBUG_PR3(xx,yy,zz) { printf(xx,yy,zz); fflush(stdout); }
! 60: #else
! 61: #define LLDBUG_PRL1(xx) { }
! 62: #define LLDBUG_PRL2(xx,yy) { }
! 63: #define LLDBUG_PR1(xx) { }
! 64: #define LLDBUG_PR2(xx,yy) { }
! 65: #define LLDBUG_PR3(xx,yy,zz) { }
! 66: #endif
! 67:
! 68: #ifdef LEX_INPUT_DBUG
! 69: #define LIDBUG_PR1(xx) { printf(xx); fflush(stdout); }
! 70: #define LIDBUG_PR2(xx,yy) { printf(xx,yy); fflush(stdout); }
! 71: #define LIDBUG_PR3(xx,yy,zz) { printf(xx,yy,zz); fflush(stdout); }
! 72: #else
! 73: #define LIDBUG_PR1(xx) { }
! 74: #define LIDBUG_PR2(xx,yy) { }
! 75: #define LIDBUG_PR3(xx,yy,zz) { }
! 76: #endif
! 77:
! 78: #ifdef USE_DYNAMIC_SYMBOLS
! 79: #define USE_DYNAMIC_LEXBUFS
! 80: #endif
! 81:
! 82: Symbol *yylval; /* global pointer to symbol */
! 83:
! 84: FILE *(Input_stream[MAX_OPENED_FILE]); /* <-- perhaps we can use linked list */
! 85: char Opened_filename[MAX_OPENED_FILE][QUARTER_K]; /* <-- perhaps we can use linked list */
! 86: int Input_idx;
! 87: int Lexi_pos[MAX_OPENED_FILE]; /* Current position in the line */
! 88:
! 89: #ifdef USE_DYNAMIC_LEXBUFS
! 90: char *(Lexi_buf[MAX_OPENED_FILE]); /* Line Buffer for current file */
! 91:
! 92: #else
! 93: char Lexi_buf[MAX_OPENED_FILE][LEX_BUFLEN+4]; /* Line Buffer for current file */
! 94:
! 95: #endif /* USE_DYNAMIC_LEXBUFS */
! 96:
! 97: char String_buf[LEX_BUFLEN]; /* Constant String buffer <-- perhaps we can use char pointer */
! 98: char *Dynamic_buf;
! 99: int Dynamic_buf_max;
! 100: int Dynamic_buf_cur;
! 101:
! 102:
! 103: static int End_of_input;
! 104: static int Pcount, Bcount; /* static means only available in this file */
! 105: /* --------------------------------------------------------------------------- */
! 106: /* GLOBAL VARIABLES */
! 107: /* --------------------------------------------------------------------------- */
! 108: int Lexi_line; /* Current source file line number, counting from beginning */
! 109: extern int Current_line[MAX_OPENED_FILE];
! 110:
! 111: int Func_idx;
! 112: Symbol FuncStack[MAX_FUNC_NEST]; /* <-- perhaps we can use linked list */
! 113:
! 114: int Array_idx;
! 115: Symbol *ArraySymbList_p;
! 116: Symbol *ArraySymbLast_p;
! 117: Symbol *FmlSymbList_p;
! 118: Symbol *FmlSymbLast_p;
! 119: int FmlSymb_cnt;
! 120: int Symb_count;
! 121:
! 122: int IFstatus[MAX_FUNC_NEST]; /* <-- perhaps we can use linked list */
! 123: int IFcurrent[MAX_FUNC_NEST]; /* <-- perhaps we can use linked list */
! 124: int IFcount;
! 125: WhileLoop_t WhileStack[MAX_FUNC_NEST]; /* <-- perhaps we can use linked list */
! 126: int While_idx, Wcount;
! 127:
! 128: #ifdef USE_DYNAMIC_SYMBOLS
! 129: Symbol *SymbList_p;
! 130: Symbol *SymbLast_p;
! 131: #else
! 132: Symbol SymbArray[MAX_SYMB_COUNT];
! 133: #endif /* USE_DYNAMIC_SYMBOLS */
! 134:
! 135:
! 136: char *Current_char_p; /* Collect string constant */
! 137: extern char *EndText_p;
! 138: extern char *StartText_p;
! 139: extern Problem_t *LexiProblem_p;
! 140: extern Problem_t *LastProblem_p;
! 141: int first_run=1;
! 142: int Stop_Parser;
! 143: #define FLEX
! 144:
! 145: #define YY_STACK_USED 1 /* for yy_push_state(), yy_pop_state() */
! 146:
! 147: #ifdef FLEX
! 148:
! 149: int capaL_unput();
! 150: int capaL_input();
! 151:
! 152:
! 153: /* YY_INPUT()
! 154: Controls scanner input. By default, YY_INPUT reads from the
! 155: file-pointer yyin. Its action is to place up to max_size
! 156: characters in the character array buf and return in the
! 157: integer variable result either the number of characters read
! 158: or the constant YY_NULL to indicate EOF.
! 159: max_size is defined to be num_to_read = 8192 in liby
! 160: Following is a sample
! 161: redefinition of YY_INPUT, in the definitions section of
! 162: the input file:
! 163:
! 164: %{
! 165: #undef YY_INPUT
! 166: #define YY_INPUT(buf,result,max_size)\
! 167: {\
! 168: int c = getchar();\
! 169: result = (c == EOF) ? YY_NULL : (buf[0] = c, 1);\
! 170: }
! 171: %}
! 172:
! 173: */
! 174:
! 175: /* fgets() reads the input stream until
! 176: n-1 bytes have been read OR
! 177: a newline character is read and transferred to string OR
! 178: an EOF (End-of-File) condition is encountered
! 179:
! 180: The string is then terminated with a NULL character.
! 181:
! 182: ii = fseek(FILE *stream,0L,SEEK_END) ;
! 183: if(ii!=0) { error }
! 184: leng = ftell(FILE *stream) + 1 ;
! 185: fseek(FILE *stream,0L,SEEK_SET) ;
! 186: Lexi_buf[Input_idx] = (char *)capa_malloc(sizeof(char)*leng,1);
! 187:
! 188: */
! 189:
! 190:
! 191: #ifdef AVOIDYYINPUT
! 192: #define MAX_INCLUDE_DEPTH 10
! 193: YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
! 194: int include_stack_ptr = 0;
! 195: #else
! 196: #ifdef USE_DYNAMIC_LEXBUFS
! 197: #define NEWYYINPUT
! 198: #endif
! 199:
! 200: #ifdef NEWYYINPUT
! 201: void newyy_input (char *buf,int *result,int max_size);
! 202: #define YY_INPUT(buf,result,max_size) newyy_input(buf,&result,max_size)
! 203:
! 204: #else
! 205: #ifdef USE_DYNAMIC_LEXBUFS
! 206:
! 207: #define YY_INPUT(buf,result,max_size) \
! 208: { int ii, leng, out_of_char; \
! 209: if (!Lexi_line) { /* was startup */ \
! 210: for(ii=0;ii < MAX_OPENED_FILE;ii++) { \
! 211: Lexi_buf[ii] = NULL; \
! 212: Lexi_pos[ii] = 0; \
! 213: Current_line[ii] = 0; \
! 214: } \
! 215: Input_idx = 0; \
! 216: first_run=0; \
! 217: yyin = Input_stream[Input_idx]; LIDBUG_PR1("<<yy_input() startup>>\n"); \
! 218: } \
! 219: out_of_char = 0; \
! 220: if ( Lexi_buf[Input_idx] == NULL ) { \
! 221: Lexi_buf[Input_idx] = (char *)capa_malloc(sizeof(char)*LEX_BUFLEN+1,1); out_of_char=1; \
! 222: } else { \
! 223: if (!Lexi_buf[Input_idx][Lexi_pos[Input_idx]]) { /* test if the line buffer is empty or at the end */ \
! 224: out_of_char=1; \
! 225: } \
! 226: } \
! 227: if( out_of_char ) { \
! 228: if (fgets(Lexi_buf[Input_idx],LEX_BUFLEN-1,Input_stream[Input_idx])==NULL) { /* read in one line */ \
! 229: LIDBUG_PR2("<<yy_input() fgets() returns NULL, input index=%d>>\n",Input_idx); \
! 230: if( (Input_idx > 0) && ( Lexi_buf[Input_idx][Lexi_pos[Input_idx]] == '\0') ) { \
! 231: LIDBUG_PR2("<<yy_input() close an input stream, input index=%d>>\n",Input_idx); \
! 232: fclose(Input_stream[Input_idx]); \
! 233: capa_mfree((char *)Lexi_buf[Input_idx]); \
! 234: Lexi_buf[Input_idx] = NULL; \
! 235: Input_idx--; \
! 236: yyin = Input_stream[Input_idx]; \
! 237: /* (Lexi_pos[Input_idx])++; */ \
! 238: buf[0] = Lexi_buf[Input_idx][Lexi_pos[Input_idx]-1]; \
! 239: result = 1; \
! 240: } else { \
! 241: result = YY_NULL; /* End of File */ \
! 242: } \
! 243: } else { /* successfully read in one line */ \
! 244: if (Lexi_buf[Input_idx]==NULL) puts("Whatup?");\
! 245: leng = strlen(Lexi_buf[Input_idx]); \
! 246: LIDBUG_PR3("<<yy_input() read into buffer a line(leng=%d), input index=%d>>\n",leng,Input_idx); \
! 247: Lexi_pos[Input_idx] = 0; \
! 248: Lexi_line++; \
! 249: Current_line[Input_idx]++; \
! 250: (Lexi_pos[Input_idx])++; \
! 251: buf[0] = Lexi_buf[Input_idx][Lexi_pos[Input_idx]-1]; \
! 252: /* need to take care of return continuation conditions */ \
! 253: /* so, we return to one-char-at-a-time approach */ \
! 254: /* for(ii=0;ii<leng;ii++) { */ \
! 255: /* buf[ii] = Lexi_buf[Input_idx][ii]; */ \
! 256: /* } */ \
! 257: /* buf[ii] = '\0'; */ \
! 258: /* printf("YY_INPUT()(Lexi_line=%d,max size=%d)(%c)",Lexi_line,max_size,buf[0]); */ \
! 259: result = 1; \
! 260: } \
! 261: } else { \
! 262: /* LIDBUG_PR2("<<yy_input() increase Lexi_pos, input index=%d>>\n",Input_idx); */ \
! 263: (Lexi_pos[Input_idx])++; \
! 264: buf[0] = Lexi_buf[Input_idx][Lexi_pos[Input_idx]-1]; \
! 265: result = 1; \
! 266: } \
! 267: if (Stop_Parser==1) { \
! 268: result = YY_NULL; \
! 269: } \
! 270: }
! 271:
! 272: #else
! 273:
! 274: #define YY_INPUT(buf,result,max_size) \
! 275: { int ii, leng; \
! 276: if (!Lexi_line) { /* was startup */ \
! 277: for(ii=0;ii < MAX_OPENED_FILE;ii++) { \
! 278: Lexi_buf[ii][0]=0; \
! 279: Lexi_pos[ii] = 0; \
! 280: Current_line[ii] = 0; \
! 281: } \
! 282: Input_idx = 0; \
! 283: first_run=0; \
! 284: yyin = Input_stream[Input_idx]; LIDBUG_PR1("<<yy_input() startup>>\n"); \
! 285: } \
! 286: if (!Lexi_buf[Input_idx][Lexi_pos[Input_idx]]) { /* test if the line buffer is empty or at the end */ \
! 287: if (fgets(Lexi_buf[Input_idx],LEX_BUFLEN-1,Input_stream[Input_idx])==NULL) { /* read in one line */ \
! 288: LIDBUG_PR2("<<yy_input() fgets() returns NULL, input index=%d>>\n",Input_idx); \
! 289: if( (Input_idx > 0) && ( Lexi_buf[Input_idx][Lexi_pos[Input_idx]] == '\0') ) { \
! 290: LIDBUG_PR2("<<yy_input() close an input stream, input index=%d>>\n",Input_idx); \
! 291: fclose(Input_stream[Input_idx]); \
! 292: Input_idx--; \
! 293: yyin = Input_stream[Input_idx]; \
! 294: /* (Lexi_pos[Input_idx])++; */ \
! 295: buf[0] = Lexi_buf[Input_idx][Lexi_pos[Input_idx]-1]; \
! 296: result = 1; \
! 297: } else { \
! 298: result = YY_NULL; /* End of File */ \
! 299: } \
! 300: } else { /* successfully read in one line */ \
! 301: leng = strlen(Lexi_buf[Input_idx]); \
! 302: LIDBUG_PR3("<<yy_input() read into buffer a line(leng=%d), input index=%d>>\n",leng,Input_idx); \
! 303: Lexi_pos[Input_idx] = 0; \
! 304: Lexi_line++; \
! 305: Current_line[Input_idx]++; \
! 306: (Lexi_pos[Input_idx])++; \
! 307: buf[0] = Lexi_buf[Input_idx][Lexi_pos[Input_idx]-1]; \
! 308: /* need to take care of return continuation conditions */ \
! 309: /* so, we return to one-char-at-a-time approach */ \
! 310: /* for(ii=0;ii<leng;ii++) { */ \
! 311: /* buf[ii] = Lexi_buf[Input_idx][ii]; */ \
! 312: /* } */ \
! 313: /* buf[ii] = '\0'; */ \
! 314: /* printf("YY_INPUT()(Lexi_line=%d,max size=%d)(%c)",Lexi_line,max_size,buf[0]); */ \
! 315: result = 1; \
! 316: } \
! 317: } else { \
! 318: /* LIDBUG_PR2("<<yy_input() increase Lexi_pos, input index=%d>>\n",Input_idx); */ \
! 319: (Lexi_pos[Input_idx])++; \
! 320: buf[0] = Lexi_buf[Input_idx][Lexi_pos[Input_idx]-1]; \
! 321: result = 1; \
! 322: } \
! 323: if (Stop_Parser==1) { \
! 324: result = YY_NULL; \
! 325: } \
! 326: }
! 327: #endif /* USE_DYNAMIC_LEXBUFS */
! 328: #endif /*NEWYYINPUT*/
! 329: #endif /*AVOIDYYINPUT*/
! 330:
! 331: #else
! 332:
! 333: #undef input
! 334: #undef unput
! 335:
! 336: #endif
! 337:
! 338: int capa_eof();
! 339: %}
! 340:
! 341: Alpha [a-zA-Z_]
! 342: KeyChar [A-Z]
! 343: AlphaNum [a-zA-Z_0-9]
! 344: Number [0-9]
! 345: HexNumber [0-9a-fA-F]
! 346: Space [ \t]
! 347: Spaces ({Space}*)
! 348: FileName (\"[^"\n]*\")
! 349: Qchar ([0-9a-zA-Z \t!?\._,:;'"`~@#$%\^&\+\-\*=|\[\]{}()])
! 350: Operator ([=\+\-\*/%<>!&|,])
! 351: Identifier ([a-zA-Z_][a-zA-Z_0-9]*)
! 352: EndLine ([\r][\n]|[\n])
! 353:
! 354: %a 10500
! 355: %o 15000
! 356: %k 10000
! 357: %p 10000
! 358: %n 1000
! 359: %x S_COMMENT S_HINT S_HINTEXLAINX S_IMPORT S_EXPLAIN S_ENDX S_UNIT S_IGNORE
! 360: %x S_SKIP S_VARIABLE S_LET S_DEFINE S_TEXT S_MAP S_FIGURE S_ANSWER
! 361: %x S_STRING S_ANSCONTINUE S_TRUE_FALSE_STMT S_IF_SKIP S_WHILE_SKIP
! 362: %x S_NEXT_LINE S_VERB
! 363: %array
! 364:
! 365:
! 366:
! 367: %%
! 368:
! 369: <S_IGNORE>{
! 370: {EndLine} BEGIN S_IGNORE;
! 371: [^\n]*$ BEGIN S_IGNORE;
! 372: <<EOF>> {
! 373: capa_eof();
! 374: #ifndef AVOIDYYINPUT
! 375: yyterminate();
! 376: #endif
! 377: }
! 378: }
! 379:
! 380: <S_COMMENT>{
! 381: ^{Spaces}"//"[^\n]*$ { LLDBUG_PRL2("[COMMENT<%s>]\n",yytext);
! 382: send(&yytext[2]);
! 383: send("\n");
! 384: BEGIN S_COMMENT;
! 385: }
! 386: . { send("</comment>\n"); BEGIN S_TEXT; }
! 387: }
! 388:
! 389: <S_TEXT>{
! 390: ^{Spaces}"/LET" |
! 391: ^{Spaces}"/BEG" { LLDBUG_PRL1("[LET]"); Pcount = 0; init_funcstack(); BEGIN S_LET; RETURN(CAPA_LET); }
! 392: ^{Spaces}"/VERB" {
! 393: LLDBUG_PRL1("[VERBATIM]");
! 394: Dynamic_buf = (char *)capa_malloc(sizeof(char),10);
! 395: Dynamic_buf_max = 10;
! 396: Dynamic_buf_cur = 0;
! 397: Dynamic_buf[0] = '\0';
! 398: BEGIN S_VERB;
! 399: }
! 400: ^{Spaces}"/HIN"{Alpha}*{Spaces} { LLDBUG_PRL1("[HIN]"); Current_char_p = String_buf; BEGIN S_HINT; }
! 401: ^{Spaces}"/EXP"{Alpha}*{Spaces} { LLDBUG_PRL1("[EXP]"); Current_char_p = String_buf; BEGIN S_EXPLAIN; }
! 402: ^{Spaces}"/IMP"{Alpha}*{Space}+ { LLDBUG_PRL1("[IMP]"); BEGIN S_IMPORT; }
! 403: ^{Spaces}"/END" { LLDBUG_PRL1("[END]");
! 404: if ( (LexiProblem_p !=NULL) &&
! 405: (LexiProblem_p->question != NULL) &&
! 406: (LexiProblem_p->ans_type == 0)) {
! 407: EndText_p=strsave(LexiProblem_p->question);
! 408: LexiProblem_p=NULL;
! 409: } else {
! 410: EndText_p=NULL;
! 411: }
! 412: End_of_input = 1; BEGIN S_IGNORE;RETURN(CAPA_END);
! 413: }
! 414: ^{Spaces}"/START"[^\n]* { LLDBUG_PRL1("[START]");
! 415: if (LexiProblem_p !=NULL &&
! 416: LexiProblem_p->question != NULL) {
! 417: StartText_p=strsave(LexiProblem_p->question);
! 418: } else {
! 419: StartText_p=NULL;
! 420: }
! 421: BEGIN S_TEXT;
! 422: RETURN(CAPA_START);
! 423: }
! 424:
! 425: ^{Spaces}"/END"{Spaces}[\(]{Spaces} { LLDBUG_PRL1("[END()]"); BEGIN S_ENDX; }
! 426: ^"/DEF" { Bcount = 0; BEGIN S_DEFINE; RETURN(CAPA_DEF); }
! 427: ^{Spaces}"/ANS" { LLDBUG_PRL2("[ANS(%s)]",yytext); Pcount = 0; BEGIN S_ANSWER; RETURN(CAPA_ANS); }
! 428: ^{Spaces}"/SUBJECTIVE" { LLDBUG_PRL1("[SUBJECTIVE ANSWER]"); Pcount = 0; BEGIN S_ANSWER; RETURN(CAPA_SUBJ); }
! 429: ^{Spaces}"/MAP" { LLDBUG_PRL1("[MAP]"); Pcount = 0; BEGIN S_MAP; RETURN(CAPA_MAP); }
! 430: ^{Spaces}"/RMAP" { LLDBUG_PRL1("[RMAP]"); Pcount = 0; BEGIN S_MAP; RETURN(CAPA_RMAP); }
! 431: ^{Spaces}"/ENDWHILE"([^\n])* { long int file_pos;
! 432: int top_item, input_idx;
! 433: LLDBUG_PRL2("[ENDWHILE While_idx=<%d>]\n",While_idx);
! 434:
! 435: top_item = While_idx - 1;
! 436: if( top_item < 0 ) { /* strange things must have happened here! */
! 437:
! 438: } else {
! 439: input_idx = WhileStack[top_item].input_idx;
! 440: file_pos = WhileStack[top_item].pos_idx;
! 441: Current_line[input_idx] = WhileStack[top_item].line_idx;
! 442: Lexi_pos[input_idx] = 0;
! 443: fseek(Input_stream[input_idx],file_pos,SEEK_SET);
! 444: fgets(Lexi_buf[input_idx],LEX_BUFLEN-1,Input_stream[input_idx]);
! 445: While_idx--;
! 446: }
! 447: BEGIN S_TEXT;
! 448: }
! 449: "/WHILE" |
! 450: ^{Spaces}"/WHILE" { long int file_pos;
! 451: int leng;
! 452: LLDBUG_PRL2("[WHILE While_idx=<%d>]\n",While_idx);
! 453: leng = strlen(Lexi_buf[Input_idx]); /* length of current line */
! 454: /* <-- because we use fgets() to read input,
! 455: thus ftell() will give the starting position of next line */
! 456: WhileStack[While_idx].input_idx = Input_idx;
! 457: file_pos = ftell(Input_stream[Input_idx]);
! 458: file_pos -= leng; /* calibrate the current line length */
! 459: WhileStack[While_idx].pos_idx = file_pos; /* begin of current line */
! 460: WhileStack[While_idx].line_idx = Current_line[Input_idx];
! 461: While_idx++; /* advance the stack pointer */
! 462:
! 463: BEGIN S_TRUE_FALSE_STMT; RETURN(CAPA_WHILE);
! 464:
! 465: }
! 466: ^{Spaces}"/IF" { IFcount++; IFcurrent[IFcount] = RUN_IF_PORTION;
! 467: LLDBUG_PRL2("[IF <IFcount=%d>]",IFcount); BEGIN S_TRUE_FALSE_STMT; RETURN(CAPA_IF); }
! 468: ^{Spaces}"/ELSE"([^\n])* { LLDBUG_PRL2("[ELSE <IFcount=%d>]\n",IFcount);
! 469: IFcurrent[IFcount] = RUN_ELSE_PORTION;
! 470: if( IFstatus[IFcount] == IF_TRUE ) {
! 471: LLDBUG_PRL1("[ELSE begin Skip]\n");
! 472: BEGIN S_IF_SKIP;
! 473: }
! 474: }
! 475: ^{Spaces}"/ENDIF"([^\n])* { IFcount--; LLDBUG_PRL2("[ENDIF <IFcount=%d>]\n",IFcount);
! 476: }
! 477: "/AND" { LLDBUG_PRL1("[AND]"); BEGIN S_ANSCONTINUE; RETURN(ANS_AND); }
! 478: "/DIS" { /* since S_VARIABLE treat {Space} as null, so here we do not match ( */
! 479: /* so that between /DIS and ( can have as many {Space} as we want */
! 480: LLDBUG_PR1("[DIS<]");
! 481: init_funcstack();
! 482: Pcount = 0; BEGIN S_VARIABLE;
! 483: RETURN(CAPA_VAR);
! 484: }
! 485: "/OR" { LLDBUG_PRL1("[OR]"); BEGIN S_ANSCONTINUE; RETURN(ANS_OR); }
! 486: {EndLine} { LLDBUG_PR1("[EoL within S_TEXT]\n"); /* end of the whole text line */
! 487: RETURN(EoL); }
! 488: [\\]{Space}*{EndLine} { LLDBUG_PR2("[\\EoL continue](%s)",yytext); /* continuation on next line */ }
! 489: ^{Spaces}"//"[^\n]*{EndLine} { LLDBUG_PRL2("[COMMENT<%s>]\n",yytext);
! 490: send("<comment>\n");
! 491: send(&yytext[2]);
! 492: BEGIN S_COMMENT;
! 493: }
! 494: [^/\n\\]+$ |
! 495: [/] |
! 496: [\\] { yylval = (Symbol *) capa_malloc(1, sizeof(Symbol));
! 497: yylval->s_str = strsave(yytext);
! 498: LLDBUG_PR2("[TEXT_LINE<%s>]",yytext);
! 499: RETURN(TEXT_LINE);
! 500: }
! 501: ([^/\n])+[/] |
! 502: ([^/\n])+[\\] { /* matches anything until a '/' or a '\' */
! 503: LLDBUG_PR2("[TEXT_LINE( )<%s>]",yytext);
! 504:
! 505: yyless(yyleng-1); /* push back the last char */
! 506: yylval = (Symbol *) capa_malloc(1, sizeof(Symbol));
! 507: yylval->s_str = strsave(yytext);
! 508:
! 509: BEGIN S_TEXT;
! 510: RETURN(TEXT_LINE);
! 511: }
! 512: <<EOF>> {
! 513: #ifdef AVOIDYYINPUT
! 514: char warn_msg[ONE_K];
! 515:
! 516: if ( (--include_stack_ptr < 0) || Stop_Parser) {
! 517: if (Stop_Parser) {
! 518: if ( LexiProblem_p!=NULL &&
! 519: LexiProblem_p->question != NULL)
! 520: EndText_p=strsave(LexiProblem_p->question);
! 521: while (include_stack_ptr >= 0) {
! 522: yy_delete_buffer( YY_CURRENT_BUFFER );
! 523: yy_switch_to_buffer(
! 524: include_stack[include_stack_ptr]);
! 525: --include_stack_ptr;
! 526: }
! 527: } else {
! 528: sprintf(warn_msg,
! 529: "at End-of-File, a /END is needed.\n");
! 530: capa_msg(MESSAGE_ERROR,warn_msg);
! 531: }
! 532: free_problems(LexiProblem_p);
! 533: LexiProblem_p=NULL;
! 534: yyterminate();
! 535: } else {
! 536: yy_delete_buffer( YY_CURRENT_BUFFER );
! 537: yy_switch_to_buffer(include_stack[include_stack_ptr]);
! 538: }
! 539: #else
! 540: char warn_msg[ONE_K];
! 541: if (!Stop_Parser) {
! 542: sprintf(warn_msg,"at End-of-File, a /END is needed.\n");
! 543: capa_msg(MESSAGE_ERROR,warn_msg);
! 544: } else {
! 545: if (LexiProblem_p != NULL &&
! 546: LexiProblem_p->question != NULL)
! 547: EndText_p=strsave(LexiProblem_p->question);
! 548: }
! 549: capa_eof();
! 550: yyterminate();
! 551: #endif
! 552: }
! 553: }
! 554:
! 555:
! 556: <S_ENDX>{
! 557: {Alpha}{AlphaNum}* { /* DONE: add codes to handle /END() */
! 558: char *question_end=NULL;
! 559: End_of_input = 1;
! 560: if (EndText_p!=NULL) capa_mfree((char*)EndText_p);
! 561: if ((LexiProblem_p!=NULL) &&
! 562: (LexiProblem_p->question != NULL) &&
! 563: (LexiProblem_p->ans_type == 0)) {
! 564: question_end=strsave(LexiProblem_p->question);
! 565: }
! 566: if( yyleng > 0 ) {
! 567:
! 568: LLDBUG_PRL2("[END()<%s>]\n",yytext);
! 569: /*yylval = find_identifier(yytext);*/
! 570:
! 571: switch(yylval->s_type) {
! 572: case IDENTIFIER:
! 573: case I_VAR: case I_CONSTANT:
! 574: case R_VAR: case R_CONSTANT:
! 575: break;
! 576: case S_VAR: case S_CONSTANT:
! 577: EndText_p = strsave(yylval->s_str);
! 578: if (question_end) {
! 579: int leng; char *new_end;
! 580: leng = strlen(EndText_p) +
! 581: strlen(question_end) + 1;
! 582: new_end = capa_malloc(sizeof(char), leng);
! 583: strcat(new_end, question_end);
! 584: strcat(new_end, EndText_p);
! 585: capa_mfree(EndText_p);
! 586: capa_mfree(question_end);
! 587: EndText_p=new_end;
! 588: }
! 589: break;
! 590: default: break;
! 591: }
! 592: }
! 593: BEGIN S_IGNORE; RETURN(CAPA_END);
! 594: }
! 595: {Space}* { /* ignore spaces */ }
! 596: [\)] { /* a right paren */
! 597: if ( (LexiProblem_p != NULL) &&
! 598: (LexiProblem_p->question != NULL) &&
! 599: (LexiProblem_p->ans_type == 0)) {
! 600: EndText_p=strsave(LexiProblem_p->question);
! 601: } else {
! 602: EndText_p=NULL;
! 603: }
! 604: BEGIN S_IGNORE;
! 605: RETURN(CAPA_END);
! 606: }
! 607: }
! 608:
! 609: <S_HINT,S_EXPLAIN>{
! 610: [/][Dd][Ii][Ss]{Space}*[\(]{Space}* { yy_push_state(S_HINTEXLAINX); }
! 611: [^/\n]+[/\\] { char *aptr = yytext;
! 612: int ii;
! 613:
! 614: yyless(yyleng-1);
! 615: for(ii=0;ii<yyleng;ii++) {
! 616: *Current_char_p++ = *aptr++;
! 617: }
! 618:
! 619: }
! 620: [/] { *Current_char_p++ = '/'; }
! 621: [\\] { *Current_char_p++ = '\\'; }
! 622: [\\]{Space}*[\n] { LLDBUG_PR1("[\\CR hint explain continue]"); /* Hint and explain continuation */ }
! 623: [^/\n\\]+$ { char *aptr = yytext;
! 624: int ii;
! 625: for(ii=0;ii<yyleng;ii++) {
! 626: *Current_char_p++ = *aptr++;
! 627: }
! 628: }
! 629: }
! 630: <S_HINT>{
! 631: {EndLine} { LLDBUG_PR1("[CR hint]");
! 632: yylval = (Symbol *) capa_malloc(1, sizeof(Symbol));
! 633: *Current_char_p++ = '\n'; *Current_char_p = '\0';
! 634: yylval->s_str = strsave(String_buf);
! 635: BEGIN S_TEXT; RETURN(HINT_LINE);
! 636: }
! 637: }
! 638: <S_EXPLAIN>{
! 639: {EndLine} { LLDBUG_PR1("[CR explain]");
! 640: yylval = (Symbol *) capa_malloc(1, sizeof(Symbol));
! 641: *Current_char_p++ = '\n'; *Current_char_p = '\0';
! 642: yylval->s_str = strsave(String_buf);
! 643: BEGIN S_TEXT; RETURN(EXPLAIN_LINE);
! 644: }
! 645: }
! 646:
! 647: <S_HINTEXLAINX>{
! 648: {Alpha}{AlphaNum}* { char *aptr;
! 649: char tmp_str[QUARTER_K],warn_msg[ONE_K];
! 650: int ii, len;
! 651: Symbol *tmp_p;
! 652:
! 653: /*tmp_p = find_identifier(yytext);*/
! 654: switch(tmp_p->s_type) {
! 655: case IDENTIFIER:
! 656: sprintf(warn_msg,"var %s not defined.\n", yytext);
! 657: capa_msg(MESSAGE_ERROR,warn_msg);
! 658: break;
! 659: case I_VAR:
! 660: case I_CONSTANT:
! 661: sprintf(tmp_str,"%ld",tmp_p->s_int);
! 662: len = strlen(tmp_str);
! 663: for(ii=0;ii< len;ii++) {
! 664: *Current_char_p++ = tmp_str[ii];
! 665: }
! 666: break;
! 667: case R_VAR:
! 668: case R_CONSTANT:
! 669: sprintf(tmp_str,"%g",tmp_p->s_real);
! 670: len = strlen(tmp_str);
! 671: for(ii=0;ii< len;ii++) {
! 672: *Current_char_p++ = tmp_str[ii];
! 673: }
! 674: break;
! 675: case S_VAR:
! 676: case S_CONSTANT:
! 677: len = strlen(tmp_p->s_str);
! 678: aptr = tmp_p->s_str;
! 679: for(ii=0;ii< len;ii++) {
! 680: *Current_char_p++ = *aptr++;
! 681: }
! 682: break;
! 683: }
! 684: }
! 685: {Space}+ { }
! 686: [)] { yy_pop_state(); }
! 687: }
! 688:
! 689: <S_IMPORT>{
! 690: {FileName}{Space}* { parse_filename(yytext); BEGIN S_SKIP; }
! 691: {Identifier}{Space}* { parse_import_id(yytext); BEGIN S_SKIP; }
! 692: }
! 693:
! 694: <S_ANSWER>{
! 695: [Pp][Ll][Uu][Ss] { LLDBUG_PR1("[PLUS]"); RETURN(ANS_PLUS); }
! 696: [Mm][Ii][Nn][Uu][Ss] { LLDBUG_PR1("[MINUS]"); RETURN(ANS_MINUS); }
! 697: [Cc][Ss] { LLDBUG_PR1("[CS]"); RETURN(ANS_CS); }
! 698: [Cc][Ii] { LLDBUG_PR1("[CI]"); RETURN(ANS_CI); }
! 699: [Mm][Cc] { LLDBUG_PR1("[MC]"); RETURN(ANS_MC); }
! 700: [Oo][Nn] |
! 701: [Yy][Ee][Ss] { LLDBUG_PR1("[ON]"); RETURN(ANS_ON); }
! 702: [Oo][Ff][Ff] |
! 703: [Nn][Oo] { LLDBUG_PR1("[OFF]"); RETURN(ANS_OFF); }
! 704: [Ff][Mm][Ll] { LLDBUG_PR1("[FORMULA]"); RETURN(ANS_FORMULA); }
! 705: [Ff][Mm][Tt] { LLDBUG_PR1("[FMT]"); RETURN(ANS_FMT); }
! 706: [Uu][Nn][Ff][Mm][Tt] { LLDBUG_PR1("[UNFMT]"); RETURN(ANS_UNFMT); }
! 707: [,:%=@#-] { LLDBUG_PR2("[symbol(%s)]",yytext); return(yytext[0]); }
! 708: "<" { LLDBUG_PR2("[symbol(%s)]",yytext); return(yytext[0]); }
! 709: ">" { LLDBUG_PR2("[symbol(%s)]",yytext); return(yytext[0]); }
! 710: [Ss][Ii][Gg] { LLDBUG_PR2("[SIG(%s)]",yytext); RETURN(ANS_SIG); }
! 711: [Tt][Oo][Ll] { LLDBUG_PR2("[tol(%s)]",yytext); RETURN(ANS_TOLERANCE); }
! 712: [Ss][Tt][Rr] { LLDBUG_PR1("[STR]"); RETURN(ANS_COMPARE); }
! 713: [Ww][Gg][Tt] { LLDBUG_PR1("[WGT]"); RETURN(ANS_WEIGHT); }
! 714: [Pp][Cc][Rr] |
! 715: [Hh][Gg][Rr] { RETURN(ANS_PCREDIT); }
! 716: [Pp][Aa][Tt][Hh] { RETURN(ANS_PATH); }
! 717: [Cc][Aa][Ll][Cc] { RETURN(ANS_CALC); }
! 718: [Tt][Rr][Yy] |
! 719: [Tt][Rr][Ii][Ee][Ss] { LLDBUG_PR1("[TRY]"); RETURN(ANS_TRY); }
! 720: [Uu][Nn][Ii][Tt] |
! 721: [Uu][Nn][Ii][Tt][Ss] { LLDBUG_PR1("[UNIT]"); RETURN(ANS_UNIT); }
! 722: [Bb][Rr] { LLDBUG_PR1("[SHOW_BR]"); RETURN(ANS_SHOW_BR); }
! 723: [Vv][Ee][Rr][Bb][Aa][Tt][Ii][Mm] { LLDBUG_PR1("[VERBATIM]"); RETURN(ANS_VERBATIM); }
! 724: [Aa][Nn][Ss][Bb][Oo][Xx] { LLDBUG_PR1("[SHOW_ANS_BOX]"); RETURN(ANS_BOX_SHOW); }
! 725: [Hh][Ii][Nn][Tt] { LLDBUG_PR1("[HINT]"); RETURN(ANS_HINT); }
! 726: [Ee][Xx][Pp][Ll][Aa][Ii][Nn] { LLDBUG_PR1("[EXPLAIN]"); RETURN(ANS_EXPLAIN); }
! 727: [Ee][Xx][Tt][Ee][Rr][Nn][Aa][Ll] { LLDBUG_PR1("[EXTERNAL]"); RETURN(ANS_EXTERNAL); }
! 728: [Ee][Vv][Aa][Ll] |
! 729: [Ee][Vv][Aa][Ll][Uu][Aa][Tt][Ee] { LLDBUG_PR1("[EVAL]"); RETURN(ANS_EVAL); }
! 730: [\)] { LLDBUG_PR1("[)]"); Pcount--;
! 731: if(Pcount==0) {
! 732: BEGIN S_ANSCONTINUE;
! 733: }
! 734: return(yytext[0]);
! 735: }
! 736: }
! 737:
! 738: <S_VARIABLE,S_TRUE_FALSE_STMT,S_LET,S_ANSWER,S_MAP>{
! 739: {Alpha}{AlphaNum}* { LLDBUG_PR2("[ID<%s>]",yytext);LLDBUG_PR2("[SYMB CNT=<%d>]", Symb_count);
! 740: /*yylval = find_identifier(yytext);*/ RETURN(IDENTIFIER);
! 741: }
! 742:
! 743: {Alpha}{AlphaNum}*{Space}*[(] { char aline[MAX_FUNC_NAME];
! 744: int i;
! 745: for(i=0;i < (yyleng-1); i++) {
! 746: if( yytext[i] == ' ' || yytext[i] == '\t' ||
! 747: yytext[i] == 0 || yytext[i] == '(' ) break;
! 748: aline[i] = yytext[i];
! 749: }
! 750: aline[i] = 0;
! 751: LLDBUG_PR3("[FUNCT<%s:%d>]",aline,Func_idx);
! 752: (FuncStack[Func_idx]).s_type = FUNCTION_ID;
! 753: (FuncStack[Func_idx]).s_name = strsave(aline); /* free it in parser() */
! 754: Func_idx++;
! 755: yyless(yyleng-1); /* <-- push back '(' char */
! 756: RETURN(FUNCTION_ID);
! 757: }
! 758: {Alpha}{AlphaNum}*{Space}*[\[] { char aline[MAX_FUNC_NAME];
! 759: int i;
! 760: for(i=0;i < (yyleng-1); i++) {
! 761: if( yytext[i] == ' ' || yytext[i] == '\t' ||
! 762: yytext[i] == 0 || yytext[i] == '[' ) break;
! 763: aline[i] = yytext[i];
! 764: }
! 765: aline[i] = 0;
! 766: LLDBUG_PR2("[ARRAY<%s>]",aline);
! 767:
! 768: yylval = (Symbol *) capa_malloc(1, sizeof(Symbol)); /* *** */
! 769: yylval->s_name = strsave(aline); /* free it in parser() */
! 770: yylval->s_type = ARRAY_ID;
! 771:
! 772: yyless(yyleng-1); /* <-- push back char '[' */
! 773: RETURN(ARRAY_ID);
! 774: }
! 775: {Number}*"\."{Number}*[Ee]"+"{Number}+ |
! 776: {Number}*"\."{Number}*[Ee]{Number}+ |
! 777: {Number}*"\."{Number}*[Ee]"-"{Number}+ |
! 778: {Number}+[Ee]"+"{Number}+ |
! 779: {Number}+[Ee]{Number}+ |
! 780: {Number}+[Ee]"-"{Number}+ |
! 781: {Number}+"\."{Number}* |
! 782: "\."{Number}+ { yylval = (Symbol *) capa_malloc(1, sizeof(Symbol)); /* *** */
! 783: yylval->s_real = strtod(yytext, (char **) 0);
! 784: yylval->s_type = R_CONSTANT;
! 785: LLDBUG_PR2("[REAL<%s>]",yytext);
! 786: RETURN(R_CONSTANT);
! 787: }
! 788:
! 789: {Number}+ { yylval = (Symbol *) capa_malloc(1, sizeof(Symbol)); /* *** */
! 790: yylval->s_int = strtol(yytext, (char **) 0, 0);
! 791: yylval->s_type= I_CONSTANT;
! 792: LLDBUG_PR2("[INT<%s>]",yytext);
! 793: RETURN(I_CONSTANT);
! 794: }
! 795: [\(] { LLDBUG_PR1("[dis let ans map (]"); Pcount++; return(yytext[0]); }
! 796: [\[] { LLDBUG_PR1("[dis let ans map '[']"); return(yytext[0]); }
! 797: [\]] { LLDBUG_PR1("[dis let ans map ']']"); return(yytext[0]); }
! 798: {Space}+ { /* LLDBUG_PR1("[SP ignored]"); Ignore Spaces */ }
! 799: [\"] { LLDBUG_PR1("[TF,V,LET,ANS,MAP str\" ]");
! 800: Current_char_p = String_buf;
! 801: yy_push_state(S_STRING);
! 802: }
! 803: }
! 804:
! 805: <S_VARIABLE,S_ANSWER>[:]{Number}+[EeFf] { char num[ONE_TWO_EIGHT], fmt[SMALL_LINE_BUFFER];
! 806: int i;
! 807: LLDBUG_PR2("[FORMAT<%s>]",yytext);
! 808: for(i=0;i<yyleng-2;i++) {
! 809: num[i] = yytext[i+1];
! 810: }
! 811: num[yyleng-2] = 0; /* terminate the numerical string */
! 812: yylval = (Symbol *) capa_malloc(1, sizeof(Symbol));
! 813: i = strtol(num, (char **) 0, 0);
! 814: yylval->s_type=FORMAT;
! 815: switch( yytext[yyleng-1] ) {
! 816: case 'e': sprintf(fmt,"%%.%de", i);
! 817: yylval->s_distype = E_FORMAT; break;
! 818: case 'E': sprintf(fmt,"%%.%dE", i);
! 819: yylval->s_distype = E_FORMAT; break;
! 820: case 'f':
! 821: case 'F': sprintf(fmt,"%%.%df", i);
! 822: yylval->s_distype = F_FORMAT; break;
! 823: }
! 824: yylval->s_str = strsave(fmt);
! 825: RETURN(FORMAT);
! 826: }
! 827:
! 828: <S_VARIABLE,S_TRUE_FALSE_STMT,S_LET,S_MAP>{
! 829: "==" { LLDBUG_PR1("[==]"); RETURN(EQ_op); }
! 830: "!=" { LLDBUG_PR1("[!=]"); RETURN(NE_op); }
! 831: ">" { LLDBUG_PR1("[>]"); RETURN(GT_op); }
! 832: ">=" { LLDBUG_PR1("[>=]"); RETURN(GE_op); }
! 833: "<" { LLDBUG_PR1("[<]"); RETURN(LT_op); }
! 834: "<=" { LLDBUG_PR1("[<=]"); RETURN(LE_op); }
! 835: "&&" { LLDBUG_PR1("[&&]"); RETURN(AND_op); }
! 836: "||" { LLDBUG_PR1("[||]"); RETURN(OR_op); }
! 837: "//" { if(Pcount==0) BEGIN S_SKIP; }
! 838: {Operator} { LLDBUG_PR2("[Op(%c) in VAR,TF_STMT,LET]",yytext[0]); return(yytext[0]); }
! 839: }
! 840:
! 841:
! 842:
! 843: <S_VARIABLE>{
! 844: [\)] { LLDBUG_PR1("[)]"); Pcount--; if(Pcount == 0) BEGIN S_TEXT; return(yytext[0]); }
! 845: [\\]{Space}*{EndLine} { LLDBUG_PR2("[\\EoL continue in S_VARIABLE (DIS?)](%s)",yytext); /* continuation on next line */ }
! 846: {EndLine} { LLDBUG_PR1("[EoL within /dis()]\n"); RETURN(EoL); }
! 847: . { char warn_msg[WARN_MSG_LENGTH];
! 848: sprintf(warn_msg,"When use a VARIABLE, an unexpected char [%c] is encountered.\n",yytext[0]);
! 849: capa_msg(MESSAGE_ERROR,warn_msg);
! 850: }
! 851: }
! 852:
! 853: <S_TRUE_FALSE_STMT>{
! 854: [\)] { LLDBUG_PRL1("[) in TRUE_FALSE]"); Pcount--; if(Pcount == 0) BEGIN S_NEXT_LINE; return(yytext[0]); }
! 855: [\\]{Space}*{EndLine} { LLDBUG_PR2("[\\EoL continue in S_TRUE_FALSE_STMT](%s)",yytext); /* continuation on next line */ }
! 856: {EndLine} { LLDBUG_PR1("[EoL within /IF()]\n"); RETURN(EoL); }
! 857: . { char warn_msg[WARN_MSG_LENGTH];
! 858: sprintf(warn_msg,"In /IF(), an unexpected char [%c] is encountered.\n",yytext[0]);
! 859: capa_msg(MESSAGE_ERROR,warn_msg);
! 860: }
! 861: }
! 862:
! 863: <S_STRING>{
! 864: [\\][\\] { char *aptr = yytext;
! 865: while( *aptr ) *Current_char_p++ = *aptr++;
! 866: }
! 867: [\\][\"] { *Current_char_p++ = '"'; }
! 868: [\\]{Space}*[\n] { LLDBUG_PR2("[\\CR continue in S_STRING](%s)",yytext); /* continuation on next line */ }
! 869: [\"] { /* end of a string constant -- */
! 870: yylval = (Symbol *) capa_malloc(1, sizeof(Symbol));
! 871: *Current_char_p = '\0';
! 872: yylval->s_str = strsave(String_buf); /* **** */
! 873: yylval->s_type = S_CONSTANT;
! 874: /* printf("STRING:%s\n", String_buf); */
! 875: LLDBUG_PR2("[%s\"END str]",String_buf);
! 876: yy_pop_state();
! 877: RETURN(S_CONSTANT); }
! 878: {EndLine} { /* check for termination of string constant */
! 879: char warn_msg[WARN_MSG_LENGTH];
! 880:
! 881: *Current_char_p = '\0';
! 882: sprintf(warn_msg,"STRING not terminated properly, an EoL encountered in the middle.\n%s\n",String_buf);
! 883: capa_msg(MESSAGE_ERROR,warn_msg);
! 884: yy_pop_state();
! 885: }
! 886: . { char *aptr = yytext;
! 887: while( *aptr ) *Current_char_p++ = *aptr++;
! 888: }
! 889: }
! 890:
! 891: <S_LET>[\)] { LLDBUG_PR1("[) in LET]"); Pcount--; return(yytext[0]); }
! 892:
! 893: <S_SKIP>{
! 894: [^\n]+$ { }
! 895: {EndLine} { BEGIN S_TEXT; RETURN(EoL); }
! 896: }
! 897:
! 898: <S_LET,S_ANSWER,S_MAP>{
! 899: [\\]{Space}*{EndLine} { LLDBUG_PR1("[\\EoL let ans map]"); /* continuation */ }
! 900: {EndLine} { LLDBUG_PR1("[EoL END let ans map]\n"); if(Pcount == 0) BEGIN S_TEXT; RETURN(EoL); }
! 901: }
! 902:
! 903: <S_MAP>{
! 904: [;,] { LLDBUG_PR2("[%c]",yytext[0]); return(yytext[0]); }
! 905: [\)] { LLDBUG_PR1("[) in MAP]"); Pcount--;
! 906: if(Pcount==0) {
! 907: BEGIN S_SKIP;
! 908: }
! 909: return(yytext[0]);
! 910: }
! 911: }
! 912:
! 913: <S_ANSCONTINUE>{
! 914: {Space}+ { /* ignore white spaces */ }
! 915: [\\]{Space}*{EndLine} { /* continuation */ }
! 916: {EndLine} { /* end of answer and/or other answers */ LLDBUG_PR1("[complete an answer<EoL>]");
! 917: BEGIN S_TEXT; }
! 918: "/AND" { LLDBUG_PR1("[AND]"); RETURN(ANS_AND); }
! 919: "/OR" { LLDBUG_PR1("[OR]"); RETURN(ANS_OR); }
! 920: }
! 921:
! 922: <S_IF_SKIP>{
! 923: ^{Spaces}"/IF"[^\n]*{EndLine} { IFcount++; LLDBUG_PRL2("[Skip IF <IFcount=%d>]\n",IFcount);
! 924: IFstatus[IFcount] = IF_DONT_CARE;
! 925: }
! 926: ^{Spaces}"/ELSE"[^\n]*{EndLine} { LLDBUG_PRL2("[Skip ELSE <IFcount=%d>]",IFcount);
! 927: IFcurrent[IFcount]=RUN_ELSE_PORTION;
! 928: if( IFstatus[IFcount] == IF_FALSE ) {
! 929: LLDBUG_PRL1("[ELSE begin TEXT CR]\n");
! 930: BEGIN S_TEXT;
! 931: }
! 932: if( IFstatus[IFcount] == IF_TRUE ) {
! 933: LLDBUG_PRL1("[ELSE THIS SHOULD NEVER HAPPEN.]\n");
! 934: }
! 935: }
! 936: ^{Spaces}"/ENDIF"[^\n]*{EndLine} { IFcount--; LLDBUG_PRL2("[Skip ENDIF <IFcount=%d>]\n",IFcount);
! 937: if( IFcount == 0 ) {
! 938: LLDBUG_PRL1("[ENDIF begin TEXT CR]\n");
! 939: BEGIN S_TEXT;
! 940: }
! 941: if( (IFcurrent[IFcount] == RUN_IF_PORTION )&&(IFstatus[IFcount] == IF_TRUE)) {
! 942: LLDBUG_PRL1("[ENDIF begin TEXT CR]\n");
! 943: BEGIN S_TEXT;
! 944: }
! 945: if( (IFcurrent[IFcount] == RUN_ELSE_PORTION )&&(IFstatus[IFcount] == IF_FALSE)) {
! 946: LLDBUG_PRL1("[ENDIF begin TEXT CR]\n");
! 947: BEGIN S_TEXT;
! 948: }
! 949: }
! 950: {EndLine} { LLDBUG_PRL1("[SkipIF a CR]\n"); }
! 951: [^\n]*$ { LLDBUG_PRL2("[SkipIF anything <IFcount=%d>]",IFcount); }
! 952: }
! 953: <S_NEXT_LINE>{
! 954: ([.]*){EndLine} { /* this ignores everything until it hits an EoL */
! 955: LLDBUG_PRL2("[<S_NEXT_LINE> skip \'%s\' until EoL]\n",yytext);
! 956: BEGIN S_TEXT;
! 957: }
! 958: }
! 959:
! 960: <S_WHILE_SKIP>{
! 961: ^{Spaces}"/WHILE"[^\n]*{EndLine} { Wcount++;
! 962: LLDBUG_PRL2("[SkipWHILE /WHILE <Wcount=%d>]\n",Wcount);
! 963: }
! 964: ^{Spaces}"/ENDWHILE"[^\n]*{EndLine} {
! 965: if(Wcount==0) {
! 966: LLDBUG_PRL2("[SkipWHILE->/ENDWHILE <Wcount=%d>]\n",Wcount);
! 967: BEGIN S_TEXT;
! 968: } else {
! 969: Wcount--;
! 970: LLDBUG_PRL2("[SkipWHILE /ENDWHILE <Wcount=%d>]\n",Wcount);
! 971: }
! 972: }
! 973: {EndLine} { LLDBUG_PRL1("[SkipWHILE a CR]\n"); }
! 974: [^\n]*$ { LLDBUG_PRL2("[SkipWHILE anything <Wcount=%d>]",Wcount); }
! 975: }
! 976:
! 977: <S_VERB>{
! 978: ^{Spaces}"/ENDVERB" { LLDBUG_PRL1("[END VERB]\n");
! 979: yylval = (Symbol *) capa_malloc(1, sizeof(Symbol));
! 980: yylval->s_str = strsave(Dynamic_buf); /* **** */
! 981: yylval->s_type = S_CONSTANT;
! 982: capa_mfree(Dynamic_buf);
! 983: Dynamic_buf_cur=-1;
! 984: Dynamic_buf_max=0;
! 985: BEGIN S_TEXT; RETURN(VERBATIM);
! 986: }
! 987: .*|{EndLine} { append_dynamic_buf(yytext); }
! 988: }
! 989:
! 990: %%
! 991:
! 992: /* ========================================================================================== */
! 993: extern void
! 994: begin_if_skip() { BEGIN S_IF_SKIP; }
! 995:
! 996: extern void
! 997: begin_while_skip() { Wcount=0; While_idx--; /* while is FALSE, pop it out from stack */ BEGIN S_WHILE_SKIP; }
! 998:
! 999: extern void
! 1000: begin_next_line() { BEGIN S_NEXT_LINE; }
! 1001:
! 1002: extern void
! 1003: begin_var() { BEGIN S_VARIABLE; }
! 1004:
! 1005: extern void
! 1006: begin_let() { BEGIN S_LET; }
! 1007:
! 1008: extern void
! 1009: begin_def() { BEGIN S_DEFINE; }
! 1010:
! 1011: extern void
! 1012: begin_ans() { BEGIN S_ANSWER; }
! 1013:
! 1014: extern void
! 1015: begin_map() { BEGIN S_MAP; }
! 1016:
! 1017: extern void
! 1018: begin_ignore() { BEGIN S_IGNORE; }
! 1019:
! 1020: extern void
! 1021: begin_text() { BEGIN S_TEXT; }
! 1022:
! 1023: extern void
! 1024: begin_question() { LLDBUG_PR1("[<S_TEXT>]");
! 1025: IFcount = 0; While_idx=0; /* initialize some stacks */
! 1026: End_of_input = 0; YY_FLUSH_BUFFER; BEGIN S_TEXT; }
! 1027:
! 1028: extern void
! 1029: end_problemset() { End_of_input = 0; YY_FLUSH_BUFFER; BEGIN S_TEXT; }
! 1030:
! 1031:
! 1032: /* ========================================================================================== */
! 1033:
! 1034: #define NUM_KEY 2
! 1035: int
! 1036: match_keyword(key) char *key;
! 1037: {
! 1038: char *keyword[NUM_KEY] = {"/DIS", "/DIR" };
! 1039: int i;
! 1040:
! 1041: for(i=0;i < NUM_KEY; i++) {
! 1042: if( !strncmp(keyword[i], key, 4) ) {
! 1043: return (1);
! 1044: }
! 1045: }
! 1046: return (0);
! 1047: }
! 1048:
! 1049: int
! 1050: match_functionid(key) char *key;
! 1051: {
! 1052: char *keyword[NUM_KEY] = {"/DIS", "/DIR" };
! 1053: int i;
! 1054:
! 1055: for(i=0;i < NUM_KEY; i++) {
! 1056: if( !strncmp(keyword[i], key, 4) ) {
! 1057: return (1);
! 1058: }
! 1059: }
! 1060: return (0);
! 1061: }
! 1062: /* -------------------------------------------------------------------------- */
! 1063: /* -------------------------------------------------------------------------- */
! 1064:
! 1065: void init_funcstack()
! 1066: {
! 1067: int ii;
! 1068: for(ii=0;ii<Func_idx;ii++) {
! 1069: capa_mfree(FuncStack[ii].s_name);
! 1070: }
! 1071: Func_idx = 0;
! 1072: }
! 1073:
! 1074:
! 1075: /* -------------------------------------------------------------------------- */
! 1076: /* GET THE NEXT CHARACTER OF THE SOURCE FILE */
! 1077: /* -------------------------------------------------------------------------- */
! 1078:
! 1079: #ifdef FLEX
! 1080: int capaL_input()
! 1081: #else
! 1082: int /* RETURNS: next character */
! 1083: input() /* ARGUMENTS: (none) */
! 1084: #endif
! 1085:
! 1086: { /* LOCAL VARIABLES: */
! 1087: static int startup=1; /* First call flag */
! 1088:
! 1089: LLDBUG_PRL1("<<capaL_input() is called>>\n");
! 1090: if (!Lexi_line) { /* was startup */
! 1091: for(Input_idx=0;Input_idx < MAX_OPENED_FILE;Input_idx++) {
! 1092: /* for(ii=0;ii<LEX_BUFLEN;ii++) {
! 1093: Lexi_buf[Input_idx][ii]=0;
! 1094: }
! 1095: */
! 1096: Lexi_buf[Input_idx][0]=0;
! 1097: Lexi_pos[Input_idx] = 0;
! 1098: }
! 1099: Input_idx = 0;
! 1100: startup=0;
! 1101: yyin = Input_stream[Input_idx];
! 1102: }
! 1103: if (!Lexi_buf[Input_idx][Lexi_pos[Input_idx]]) {
! 1104: if (fgets(Lexi_buf[Input_idx],LEX_BUFLEN-1,Input_stream[Input_idx])==NULL) {
! 1105: /* EOF? */
! 1106: /* no use in flex
! 1107: printf("capaL_input()EOF %s\n",Opened_filename[Input_idx+1]); fflush(stdout); */
! 1108: return (0);
! 1109: }
! 1110: Lexi_pos[Input_idx] = 0;
! 1111: Lexi_line++;
! 1112: printf("input()(%d)\n",Lexi_line);
! 1113: }
! 1114: (Lexi_pos[Input_idx])++;
! 1115: return ( Lexi_buf[Input_idx][Lexi_pos[Input_idx]-1] );
! 1116: }
! 1117:
! 1118: /******************************************************************************/
! 1119: /* PUSH BACK ONE CHARACTER OF THE INPUT */
! 1120: /******************************************************************************/
! 1121:
! 1122: int /* RETURNS: nothing */
! 1123: capaL_unput(ch) /* ARGUMENTS: */
! 1124: register int ch; /* Character to push */
! 1125: {
! 1126: if (ch) (Lexi_pos[Input_idx])--;
! 1127:
! 1128: /* unput() stream cannot be re-defined */
! 1129: /* unput(ch); inconsistency between YY_INPUT() and internal matched yytext */
! 1130: return (0);
! 1131:
! 1132: }
! 1133:
! 1134:
! 1135: /******************************************************/
! 1136:
! 1137: #ifndef DMALLOC
! 1138:
! 1139: char *
! 1140: strsave(char *s)
! 1141: {
! 1142: char *p;
! 1143: if (s==NULL) {return s;}
! 1144: p=capa_malloc(strlen(s)+1,1);
! 1145: strcpy(p,s);
! 1146: return (p);
! 1147: }
! 1148:
! 1149: #endif
! 1150:
! 1151: /* =========================================================================== */
! 1152:
! 1153: #ifndef DMALLOC
! 1154: char *
! 1155: capa_malloc(unsigned num,unsigned sz)
! 1156: {
! 1157: char *p;
! 1158: p = calloc(num, sz);
! 1159: bzero(p, num*sz); /* added Jan 21 1998 */
! 1160: return (p);
! 1161: }
! 1162:
! 1163: #endif
! 1164:
! 1165: #ifndef DMALLOC
! 1166: void
! 1167: capa_mfree(p) char *p;
! 1168: {
! 1169: free(p);
! 1170: }
! 1171: #endif
! 1172:
! 1173: void
! 1174: capa_msg(int type, char *p)
! 1175: { int idx, i, j;
! 1176: int len;
! 1177: char warn_msg[WARN_MSG_LENGTH];
! 1178: char tmp_line[ONE_TWO_EIGHT];
! 1179: char *tmp_str;
! 1180:
! 1181: strcpy(warn_msg,"File: ");
! 1182: idx=6;
! 1183: for(i=0;i<=Input_idx;i++) {
! 1184: len=strlen(Opened_filename[i]);
! 1185: for(j=0;j<len;j++) {
! 1186: warn_msg[idx++] = Opened_filename[i][j];
! 1187: }
! 1188: if(i < Input_idx) {
! 1189: warn_msg[idx++]='-';
! 1190: warn_msg[idx++]='>';
! 1191: }
! 1192: warn_msg[idx]=0;
! 1193: }
! 1194: switch (type) {
! 1195: case MESSAGE_ERROR:
! 1196: sprintf(tmp_line,", Line %d: ERROR:", Current_line[Input_idx]);
! 1197: len=strlen(tmp_line);
! 1198: for(j=0;j<len;j++) {
! 1199: warn_msg[idx++] = tmp_line[j];
! 1200: }
! 1201: warn_msg[idx]=0;
! 1202: append_error(warn_msg); append_error(p);
! 1203: break;
! 1204: case MESSAGE_WARN:
! 1205: default:
! 1206: sprintf(tmp_line,", Line %d: WARNING:", Current_line[Input_idx]);
! 1207: len=strlen(tmp_line);
! 1208: for(j=0;j<len;j++) {
! 1209: warn_msg[idx++] = tmp_line[j];
! 1210: }
! 1211: warn_msg[idx]=0;
! 1212: j = strlen(warn_msg);
! 1213: len = strlen(p);
! 1214: tmp_str = (char *)capa_malloc(len+j+1,1);
! 1215: for(i=0;i<j;i++) {
! 1216: tmp_str[i]=warn_msg[i];
! 1217: }
! 1218: for(i=j;i<j+len;i++) {
! 1219: tmp_str[i] = p[i-j];
! 1220: }
! 1221: append_warn(type,tmp_str);
! 1222: capa_mfree(tmp_str);
! 1223: break;
! 1224: }
! 1225: }
! 1226:
! 1227: /* ======================================================================== */
! 1228: void
! 1229: capa_warn_header(int type)
! 1230: {
! 1231: int idx, i, j;
! 1232: int len;
! 1233: char warn_msg[WARN_MSG_LENGTH];
! 1234: char tmp_line[ONE_TWO_EIGHT];
! 1235:
! 1236: strcpy(warn_msg,"File: ");
! 1237: idx=6;
! 1238: for(i=0;i<=Input_idx;i++) {
! 1239: len=strlen(Opened_filename[i]);
! 1240: for(j=0;j<len;j++) {
! 1241: warn_msg[idx++] = Opened_filename[i][j];
! 1242: }
! 1243: if(i < Input_idx) {
! 1244: warn_msg[idx++]='-';
! 1245: warn_msg[idx++]='>';
! 1246: }
! 1247: warn_msg[idx]=0;
! 1248: }
! 1249: switch (type) {
! 1250: case MESSAGE_ERROR:
! 1251: sprintf(tmp_line,", Line %d: ERROR:", Current_line[Input_idx]);
! 1252:
! 1253: break;
! 1254: case MESSAGE_WARN:
! 1255: sprintf(tmp_line,", Line %d: WARNING:", Current_line[Input_idx]);break;
! 1256: default:
! 1257: sprintf(tmp_line,", Line %d: ERROR:", Current_line[Input_idx]);break;
! 1258: }
! 1259: len=strlen(tmp_line);
! 1260: for(j=0;j<len;j++) {
! 1261: warn_msg[idx++] = tmp_line[j];
! 1262: }
! 1263: warn_msg[idx]=0;
! 1264: append_error(warn_msg);
! 1265: }
! 1266:
! 1267: /* --------------------------------------------------------------------------- */
! 1268: #ifdef AVOIDYYINPUT
! 1269:
! 1270: void change_file(char *fname)
! 1271: {
! 1272: char warn_msg[WARN_MSG_LENGTH];
! 1273:
! 1274: if ( include_stack_ptr >= MAX_INCLUDE_DEPTH ) {
! 1275: sprintf(warn_msg,"Includes nested too deeply" );
! 1276: capa_msg(MESSAGE_ERROR,warn_msg);
! 1277: return;
! 1278: }
! 1279:
! 1280: include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
! 1281: yyin = fopen( fname, "r" );
! 1282: yy_switch_to_buffer( yy_create_buffer( yyin, YY_BUF_SIZE ) );
! 1283: }
! 1284:
! 1285: void
! 1286: parse_filename(char *line)
! 1287: {
! 1288: char *start, fname[MAX_BUFFER_SIZE], warn_msg[WARN_MSG_LENGTH];
! 1289: int ii,len;
! 1290:
! 1291: start = index(line, '\"'); /*** hpux complained */
! 1292: if( start == NULL ) {
! 1293: sprintf(warn_msg,"/IMP was not given a filename.\n");
! 1294: capa_msg(MESSAGE_ERROR,warn_msg);
! 1295: return;
! 1296: }
! 1297: start++; len = strlen(start) - 1;
! 1298: ii = 0;
! 1299: while( start[ii] != '\"' ) fname[ii++] = start[ii];
! 1300: fname[ii] = 0;
! 1301: LLDBUG_PR2("[parse_filename<%s>]\n",fname);
! 1302:
! 1303: change_file(fname);
! 1304: }
! 1305:
! 1306: void
! 1307: parse_import_id(char *line)
! 1308: {
! 1309: char fname[QUARTER_K], warn_msg[WARN_MSG_LENGTH];
! 1310: int ii, dup_open;
! 1311: Symbol *symb_p;
! 1312: int no_error = 0;
! 1313:
! 1314: ii = 0;
! 1315: while( line[ii] != '\0' && line[ii] != ' ' && line[ii] != '\n' && line[ii] != '\t' )
! 1316: fname[ii++] = line[ii];
! 1317: fname[ii] = 0;
! 1318:
! 1319: LLDBUG_PR2("[parse_import_id<%s>]\n",fname);
! 1320: /*symb_p = find_identifier(fname);*/
! 1321:
! 1322: switch (symb_p->s_type) {
! 1323: case IDENTIFIER:
! 1324: sprintf(warn_msg,"/IMP %s, var is not defined.\n", fname);
! 1325: capa_msg(MESSAGE_ERROR,warn_msg);
! 1326: break;
! 1327: case I_VAR: case I_CONSTANT: case R_VAR: case R_CONSTANT:
! 1328: sprintf(warn_msg,"var cannot be a number.\n");
! 1329: capa_msg(MESSAGE_ERROR,warn_msg);
! 1330: break;
! 1331: case S_VAR: case S_CONSTANT: sprintf(fname,"%s",symb_p->s_str);
! 1332: no_error = 1;
! 1333: break;
! 1334: }
! 1335: if( no_error ) change_file(fname);
! 1336: }
! 1337:
! 1338: #else
! 1339: void
! 1340: parse_filename(char *line)
! 1341: {
! 1342: char *start, fname[QUARTER_K], warn_msg[WARN_MSG_LENGTH];
! 1343: int ii, len, dup_open;
! 1344:
! 1345: /* printf("IMPORT %s\n", line); */
! 1346:
! 1347: start = index(line, '\"'); /*** hpux complained */
! 1348: if( start != NULL ) {
! 1349: start++; len = strlen(start) - 1;
! 1350: ii = 0;
! 1351: while( start[ii] != '\"' ) {
! 1352: fname[ii] = start[ii]; ii++;
! 1353: }
! 1354: fname[ii] = 0;
! 1355: LLDBUG_PR2("[parse_filename<%s>]\n",fname);
! 1356: if(Input_idx < (MAX_OPENED_FILE -1)) {
! 1357: dup_open = 0;
! 1358: /* -- no need to check duplicated opening a file
! 1359: for(ii=0;ii<Input_idx;ii++) {
! 1360: if(strcmp(Opened_filename[ii],fname)==0) {
! 1361: dup_open =1;
! 1362: }
! 1363: }
! 1364: */
! 1365: if( !dup_open ) {
! 1366: Input_idx++;
! 1367: Input_stream[Input_idx]=fopen(fname,"r");
! 1368: sprintf(Opened_filename[Input_idx], "%s",fname);
! 1369: Current_line[Input_idx] = 0;
! 1370: } else {
! 1371: /*
! 1372: sprintf(warn_msg,"/IMP \"%s\", import file has already been imported.\n",fname);
! 1373: capa_msg(MESSAGE_WARN,warn_msg);
! 1374: */
! 1375: Input_idx++;
! 1376: Input_stream[Input_idx]=fopen(fname,"r");
! 1377: sprintf(Opened_filename[Input_idx], "%s",fname);
! 1378: Current_line[Input_idx] = 0;
! 1379: }
! 1380: } else {
! 1381: sprintf(warn_msg,"/IMP more the %d levels deep ignoring further imports.\n",MAX_OPENED_FILE-1);
! 1382: capa_msg(MESSAGE_WARN,warn_msg);
! 1383: }
! 1384: } else {
! 1385: sprintf(warn_msg,"%s, is not a valid file name.\n",line);
! 1386: capa_msg(MESSAGE_ERROR,warn_msg);
! 1387: }
! 1388:
! 1389: }
! 1390:
! 1391: void
! 1392: parse_import_id(char *line)
! 1393: {
! 1394: char fname[QUARTER_K], warn_msg[WARN_MSG_LENGTH];
! 1395: int ii, dup_open;
! 1396: Symbol *symb_p;
! 1397: int no_error = 0;
! 1398:
! 1399: ii = 0;
! 1400: while (line[ii] != '\0' && line[ii] != ' ' && line[ii] != '\n' && line[ii] != '\t') {
! 1401: fname[ii] = line[ii]; ii++;
! 1402: }
! 1403: fname[ii] = 0;
! 1404: LLDBUG_PR2("[parse_import_id<%s>]\n",fname);
! 1405: /*symb_p = find_identifier(fname);*/
! 1406:
! 1407: switch (symb_p->s_type) {
! 1408: case IDENTIFIER:
! 1409: sprintf(warn_msg,"/IMP %s, var is not defined.\n", fname);
! 1410: capa_msg(MESSAGE_ERROR,warn_msg);
! 1411: break;
! 1412: case I_VAR: case I_CONSTANT: case R_VAR: case R_CONSTANT:
! 1413: sprintf(warn_msg,"var cannot be a number.\n");
! 1414: capa_msg(MESSAGE_ERROR,warn_msg);
! 1415: break;
! 1416: case S_VAR:
! 1417: case S_CONSTANT:
! 1418: sprintf(fname,"%s",symb_p->s_str);
! 1419: no_error = 1;
! 1420: break;
! 1421: }
! 1422: if( no_error ) {
! 1423: if(Input_idx < (MAX_OPENED_FILE -1) ) {
! 1424: dup_open = 0;
! 1425: /* no need to check duplicated opening a file
! 1426: for(ii=0;ii<Input_idx;ii++) {
! 1427: if(strcmp(Opened_filename[ii],fname)==0) dup_open =1;
! 1428: }
! 1429: */
! 1430: if( !dup_open ) {
! 1431: Input_idx++;
! 1432: Input_stream[Input_idx]=fopen(fname,"r");
! 1433: sprintf(Opened_filename[Input_idx], "%s",fname);
! 1434: Current_line[Input_idx] = 0;
! 1435: } else {
! 1436: /* NO warning on duplicated open a file
! 1437: sprintf(warn_msg,"/IMP \"%s\", file has already been imported.\n", fname);
! 1438: capa_msg(MESSAGE_WARN,warn_msg);
! 1439: */
! 1440: Input_idx++;
! 1441: Input_stream[Input_idx]=fopen(fname,"r");
! 1442: sprintf(Opened_filename[Input_idx], "%s",fname);
! 1443: Current_line[Input_idx] = 0;
! 1444: }
! 1445: } else {
! 1446: sprintf(warn_msg,"/IMP , too many files has been imported. The maximum is %d files.\n",
! 1447: MAX_OPENED_FILE-1);
! 1448: capa_msg(MESSAGE_WARN,warn_msg);
! 1449: }
! 1450: }
! 1451: }
! 1452: #endif /*AVOIDYYINPUT*/
! 1453:
! 1454: void append_dynamic_buf(new_str) char *new_str;
! 1455: {
! 1456: int ii,len;
! 1457:
! 1458: if(new_str==NULL) return;
! 1459: len=strlen(new_str);
! 1460: #ifdef LEX_DBUG
! 1461: printf("before: len %d; Dynamic_buf_cur %d; Dynamic_buf_max %d\n",
! 1462: len,Dynamic_buf_cur,Dynamic_buf_max);
! 1463: #endif /* LEX_DBUG */
! 1464: if (Dynamic_buf_cur+len+1>Dynamic_buf_max) {
! 1465: char *temp_text;
! 1466: Dynamic_buf_max=(Dynamic_buf_cur+len)*2;
! 1467: temp_text=(char*)capa_malloc(sizeof(char),Dynamic_buf_max);
! 1468: strncpy(temp_text,Dynamic_buf,Dynamic_buf_max);
! 1469: free(Dynamic_buf);
! 1470: Dynamic_buf=temp_text;
! 1471: }
! 1472: for(ii=0;ii<len;ii++) {
! 1473: Dynamic_buf[Dynamic_buf_cur+ii]=new_str[ii];
! 1474: }
! 1475: Dynamic_buf_cur += len;
! 1476: Dynamic_buf[Dynamic_buf_cur+1]='\0';
! 1477: #ifdef LEX_DBUG
! 1478: printf("after: len %d; Dynamic_buf_cur %d; Dynamic_buf_max %d\n",
! 1479: len,Dynamic_buf_cur,Dynamic_buf_max);
! 1480: printf("Dyn_buf %s; added %s\n",Dynamic_buf,new_str);
! 1481: #endif /* LEX_DBUG */
! 1482: }
! 1483:
! 1484: char* parser_status()
! 1485: {
! 1486: char *buf,small[SMALL_LINE_BUFFER];
! 1487: int i,j,totlen=0,len,idx=0;
! 1488:
! 1489: for(i=0;i<=Input_idx;i++) totlen+=strlen(Opened_filename[i])+6;
! 1490: buf=capa_malloc(sizeof(char),totlen);
! 1491: for(i=0;i<=Input_idx;i++) {
! 1492: len=strlen(Opened_filename[i]);
! 1493: for(j=0;j<len;j++) buf[idx++] = Opened_filename[i][j];
! 1494: buf[idx++] = ':';
! 1495: sprintf(small,"%d",Current_line[i]);
! 1496: len=strlen(small);
! 1497: for(j=0;j<len;j++) buf[idx++] = small[j];
! 1498: buf[idx++]=' ';
! 1499: buf[idx]='\0';
! 1500: }
! 1501: return buf;
! 1502: }
! 1503:
! 1504: void yyfatalerror(char*msg)
! 1505: {
! 1506: char warn_msg[WARN_MSG_LENGTH];
! 1507: sprintf(warn_msg,"Invalid character[\'%s\']\n",yytext);
! 1508: capa_msg(MESSAGE_ERROR,warn_msg);
! 1509: capa_msg(MESSAGE_ERROR,msg);
! 1510: }
! 1511: void yyerror(char* msg)
! 1512: {
! 1513: char warn_msg[WARN_MSG_LENGTH];
! 1514: sprintf(warn_msg,"%s\n",msg);
! 1515: capa_msg(MESSAGE_ERROR,warn_msg);
! 1516: }
! 1517:
! 1518: void newyy_input (char *buf,int *result,int max_size)
! 1519: { int ii, leng, out_of_char;
! 1520: if (!Lexi_line) { /* was startup */
! 1521: for(ii=0;ii < MAX_OPENED_FILE;ii++) {
! 1522: Lexi_buf[ii] = NULL;
! 1523: Lexi_pos[ii] = 0;
! 1524: Current_line[ii] = 0;
! 1525: }
! 1526: Input_idx = 0;
! 1527: first_run=0;
! 1528: yyin = Input_stream[Input_idx]; LIDBUG_PR1("<<yy_input() startup>>\n");
! 1529: }
! 1530: out_of_char = 0;
! 1531: if ( Lexi_buf[Input_idx] == NULL ) {
! 1532: Lexi_buf[Input_idx] = (char *)capa_malloc(sizeof(char)*LEX_BUFLEN+1,1); out_of_char=1;
! 1533: } else {
! 1534: if (!Lexi_buf[Input_idx][Lexi_pos[Input_idx]]) {
! 1535: /* test if the line buffer is empty or at the end */
! 1536: out_of_char=1;
! 1537: }
! 1538: }
! 1539: if( out_of_char ) {
! 1540: if (fgets(Lexi_buf[Input_idx],LEX_BUFLEN-1,Input_stream[Input_idx])==NULL) {
! 1541: /* read in one line */
! 1542: LIDBUG_PR2("<<yy_input() fgets() returns NULL, input index=%d>>\n",Input_idx);
! 1543: if( (Input_idx > 0) && ( Lexi_buf[Input_idx][Lexi_pos[Input_idx]] == '\0') ) {
! 1544: LIDBUG_PR2("<<yy_input() close an input stream, input index=%d>>\n",Input_idx);
! 1545: fclose(Input_stream[Input_idx]);
! 1546: capa_mfree((char *)Lexi_buf[Input_idx]);
! 1547: Lexi_buf[Input_idx] = NULL;
! 1548: Input_idx--;
! 1549: yyin = Input_stream[Input_idx];
! 1550: /* (Lexi_pos[Input_idx])++; */
! 1551: buf[0] = Lexi_buf[Input_idx][Lexi_pos[Input_idx]-1];
! 1552: *result = 1;
! 1553: } else {
! 1554: *result = YY_NULL; /* End of File */
! 1555: }
! 1556: } else { /* successfully read in one line */
! 1557: leng = strlen(Lexi_buf[Input_idx]);
! 1558: LIDBUG_PR3("<<yy_input() read into buffer a line(leng=%d), input index=%d>>\n",
! 1559: leng,Input_idx);
! 1560: Lexi_pos[Input_idx] = 0;
! 1561: Lexi_line++;
! 1562: Current_line[Input_idx]++;
! 1563: (Lexi_pos[Input_idx])++;
! 1564: buf[0] = Lexi_buf[Input_idx][Lexi_pos[Input_idx]-1];
! 1565: /* need to take care of return continuation conditions */
! 1566: /* so, we return to one-char-at-a-time approach */
! 1567: /* for(ii=0;ii<leng;ii++) { */
! 1568: /* buf[ii] = Lexi_buf[Input_idx][ii]; */
! 1569: /* } */
! 1570: /* buf[ii] = '\0'; */
! 1571: /* printf("YY_INPUT()(Lexi_line=%d,max size=%d)(%c)",Lexi_line,max_size,buf[0]); */
! 1572: *result = 1;
! 1573: }
! 1574: } else {
! 1575: /* LIDBUG_PR2("<<yy_input() increase Lexi_pos, input index=%d>>\n",Input_idx); */
! 1576: (Lexi_pos[Input_idx])++;
! 1577: buf[0] = Lexi_buf[Input_idx][Lexi_pos[Input_idx]-1];
! 1578: *result = 1;
! 1579: }
! 1580: if (Stop_Parser==1) *result = YY_NULL;
! 1581: }
! 1582:
! 1583: int capa_eof()
! 1584: {
! 1585: #ifdef AVOIDYYINPUT
! 1586: if ( --include_stack_ptr < 0 ) yyterminate();
! 1587: else {
! 1588: yy_delete_buffer( YY_CURRENT_BUFFER );
! 1589: yy_switch_to_buffer(include_stack[include_stack_ptr]);
! 1590: }
! 1591: #else
! 1592: if(Input_idx == 0) {
! 1593: fclose(Input_stream[Input_idx]);
! 1594: capa_mfree((char *)Lexi_buf[Input_idx]);
! 1595: /*free_problems(LexiProblem_p);*/
! 1596: LexiProblem_p=NULL;
! 1597: /* printf("\nCAPA EOF\n"); fflush(stdout); */
! 1598: }
! 1599: return (0);
! 1600: #endif /*AVOIDYYINPUT*/
! 1601: }
! 1602: /* ------------ */
! 1603:
! 1604:
! 1605: /* =========================================================== */
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