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Annotation of OpenXM_contrib2/asir2000/parse/parser.c, Revision 1.3

1.2       noro        1: /*
                      2:  * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
                      3:  * All rights reserved.
                      4:  *
                      5:  * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
                      6:  * non-exclusive and royalty-free license to use, copy, modify and
                      7:  * redistribute, solely for non-commercial and non-profit purposes, the
                      8:  * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
                      9:  * conditions of this Agreement. For the avoidance of doubt, you acquire
                     10:  * only a limited right to use the SOFTWARE hereunder, and FLL or any
                     11:  * third party developer retains all rights, including but not limited to
                     12:  * copyrights, in and to the SOFTWARE.
                     13:  *
                     14:  * (1) FLL does not grant you a license in any way for commercial
                     15:  * purposes. You may use the SOFTWARE only for non-commercial and
                     16:  * non-profit purposes only, such as academic, research and internal
                     17:  * business use.
                     18:  * (2) The SOFTWARE is protected by the Copyright Law of Japan and
                     19:  * international copyright treaties. If you make copies of the SOFTWARE,
                     20:  * with or without modification, as permitted hereunder, you shall affix
                     21:  * to all such copies of the SOFTWARE the above copyright notice.
                     22:  * (3) An explicit reference to this SOFTWARE and its copyright owner
                     23:  * shall be made on your publication or presentation in any form of the
                     24:  * results obtained by use of the SOFTWARE.
                     25:  * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.3     ! noro       26:  * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.2       noro       27:  * for such modification or the source code of the modified part of the
                     28:  * SOFTWARE.
                     29:  *
                     30:  * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
                     31:  * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
                     32:  * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
                     33:  * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
                     34:  * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
                     35:  * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
                     36:  * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
                     37:  * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
                     38:  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
                     39:  * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
                     40:  * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
                     41:  * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
                     42:  * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
                     43:  * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
                     44:  * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
                     45:  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
                     46:  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
                     47:  *
1.3     ! noro       48:  * $OpenXM: OpenXM_contrib2/asir2000/parse/parser.c,v 1.2 2000/08/21 08:31:47 noro Exp $
1.2       noro       49: */
1.1       noro       50: #include <ctype.h>
                     51: #include "ca.h"
                     52: #include "parse.h"
                     53:
                     54: extern int main_parser;
                     55: extern char *parse_strp;
                     56: extern SNODE parse_snode;
                     57: extern FUNC parse_targetf;
                     58:
                     59: int mainparse(snodep)
                     60: SNODE *snodep;
                     61: {
                     62:        int ret;
                     63:
                     64:        main_parser = 1;
                     65:        ret = yyparse();
                     66:        *snodep = parse_snode;
                     67:        return ret;
                     68: }
                     69:
                     70: int exprparse(f,str,exprp)
                     71: FUNC f;
                     72: char *str;
                     73: FNODE *exprp;
                     74: {
                     75:        char buf0[BUFSIZ];
                     76:        char *buf;
                     77:        int i,n;
                     78:        char c;
                     79:
                     80:
                     81:        n = strlen(str);
                     82:        if ( n >= BUFSIZ )
                     83:                buf = (char *)ALLOCA(n+1);
                     84:        else
                     85:                buf = buf0;
                     86:        for ( i = 0; ; i++, str++ ) {
                     87:                c = *str;
                     88:                if ( !c || c == '\n' ) {
                     89:                        buf[i] = ';'; buf[i+1] = 0; break;
                     90:                } else
                     91:                        buf[i] = c;
                     92:        }
                     93:        parse_strp = buf;
                     94:        parse_targetf = f;
                     95:        main_parser = 0;
                     96:        if ( yyparse() || !parse_snode || parse_snode->id != S_SINGLE ) {
                     97:                *exprp = 0; return 0;
                     98:        } else {
                     99:                *exprp = (FNODE)FA0(parse_snode); return 1;
                    100:        }
                    101: }
                    102:
                    103: void read_eval_loop() {
                    104:        struct oEGT egt0,egt1;
                    105:        extern int prtime,prresult,ox_do_copy;
                    106:        SNODE snode;
                    107:        double r0,r1;
                    108:        double get_rtime();
                    109:        extern Obj LastVal;
                    110:
                    111:        LastVal = 0;
                    112:        while ( 1 ) {
                    113:                mainparse(&snode);
                    114:                nextbp = 0;
                    115:                get_eg(&egt0);
                    116:                r0 = get_rtime();
                    117:                LastVal = evalstat(snode);
                    118:                storeans(LastVal);
                    119:                get_eg(&egt1);
                    120:                r1 = get_rtime();
                    121:                if ( !ox_do_copy ) {
                    122:                        if ( prresult ) {
                    123:                                printexpr(CO,LastVal); putc('\n',asir_out);
                    124:                                fflush(asir_out);
                    125:                        }
                    126:                        if ( prtime ) {
                    127:                                printtime(&egt0,&egt1,r1-r0);
                    128:                        }
                    129:                        prompt();
                    130:                }
                    131:        }
                    132: }