Annotation of OpenXM_contrib2/asir2000/parse/parser.c, Revision 1.5
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: *
1.5 ! noro 48: * $OpenXM: OpenXM_contrib2/asir2000/parse/parser.c,v 1.4 2001/09/04 03:12:20 noro Exp $
1.2 noro 49: */
1.1 noro 50: #include <ctype.h>
51: #include "ca.h"
52: #include "parse.h"
53:
1.5 ! noro 54: extern int main_parser, allow_create_var;
1.1 noro 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;
1.5 ! noro 96: allow_create_var = 0;
! 97: if ( yyparse() || !parse_snode || parse_snode->id != S_SINGLE ) {
! 98: *exprp = 0; return 0;
! 99: } else {
! 100: *exprp = (FNODE)FA0(parse_snode); return 1;
! 101: }
! 102: }
! 103:
! 104: /* allows to create a new variable */
! 105:
! 106: int exprparse_create_var(f,str,exprp)
! 107: FUNC f;
! 108: char *str;
! 109: FNODE *exprp;
! 110: {
! 111: char buf0[BUFSIZ];
! 112: char *buf;
! 113: int i,n;
! 114: char c;
! 115:
! 116:
! 117: n = strlen(str);
! 118: if ( n >= BUFSIZ )
! 119: buf = (char *)ALLOCA(n+1);
! 120: else
! 121: buf = buf0;
! 122: for ( i = 0; ; i++, str++ ) {
! 123: c = *str;
! 124: if ( !c || c == '\n' ) {
! 125: buf[i] = ';'; buf[i+1] = 0; break;
! 126: } else
! 127: buf[i] = c;
! 128: }
! 129: parse_strp = buf;
! 130: parse_targetf = f;
! 131: main_parser = 0;
! 132: allow_create_var = 1;
1.1 noro 133: if ( yyparse() || !parse_snode || parse_snode->id != S_SINGLE ) {
134: *exprp = 0; return 0;
135: } else {
136: *exprp = (FNODE)FA0(parse_snode); return 1;
137: }
138: }
139:
1.4 noro 140: extern FUNC user_print_function;
141:
1.1 noro 142: void read_eval_loop() {
143: struct oEGT egt0,egt1;
144: extern int prtime,prresult,ox_do_copy;
145: SNODE snode;
146: double r0,r1;
147: double get_rtime();
148: extern Obj LastVal;
149:
150: LastVal = 0;
151: while ( 1 ) {
152: mainparse(&snode);
153: nextbp = 0;
154: get_eg(&egt0);
155: r0 = get_rtime();
156: LastVal = evalstat(snode);
157: storeans(LastVal);
158: get_eg(&egt1);
159: r1 = get_rtime();
160: if ( !ox_do_copy ) {
161: if ( prresult ) {
1.4 noro 162: if ( user_print_function )
163: bevalf(user_print_function,mknode(1,LastVal));
164: else
165: printexpr(CO,LastVal);
166: putc('\n',asir_out);
1.1 noro 167: fflush(asir_out);
168: }
169: if ( prtime ) {
170: printtime(&egt0,&egt1,r1-r0);
171: }
172: prompt();
173: }
174: }
175: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to parser.c CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [local] / OpenXM_contrib2 / asir2000 / parse