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root/group/trunk/mdtools/BASS_parse/BASS.y
Revision: 163
Committed: Tue Nov 5 22:04:42 2002 UTC (21 years, 8 months ago) by mmeineke
File size: 6801 byte(s)
Log Message:
adding simError into the mpiBASS Event loop

File Contents

# Content
1
2 /* define some general tokens */
3
4 %token MOLECULE ATOM BOND BEND TORSION POSITION MEMBERS CONSTRAINT
5 %token COMPONENT START_INDEX DEFINED ORIENTATION
6
7 /* more advanced tokens */
8
9 %union {
10 int i_val; /* integer value */
11 double d_val; /* double value */
12 char * s_ptr; /* string pointer */
13 struct node_tag* node_ptr; /* pointer to the statement node tree */
14 struct integer_list_tag* il_ptr; /*pointer to a int_list item */
15 }
16
17 %token <i_val> INTEGER
18 %token <i_val> ARRAY_INDEX
19
20 %token <d_val> DOUBLE
21
22 %token <s_ptr> IDENTIFIER
23 %token <s_ptr> QUOTED_STRING
24
25 %type <node_ptr> stmt
26 %type <node_ptr> stmt_list
27 %type <node_ptr> assignment
28 %type <node_ptr> member
29 %type <node_ptr> constraint
30 %type <node_ptr> orientation
31 %type <node_ptr> position
32 %type <node_ptr> block
33 %type <node_ptr> molecule_block
34 %type <node_ptr> atom_block
35 %type <node_ptr> bond_block
36 %type <node_ptr> bend_block
37 %type <node_ptr> torsion_block
38 %type <node_ptr> component_block
39 %type <node_ptr> start_index
40
41 %type <il_ptr> int_list
42
43
44 %{
45
46 #include <stdlib.h>
47 #include <stdio.h>
48 #include <string.h>
49 #include "node_list.h"
50 #include "make_nodes.h"
51 #include "parse_tree.h"
52 #include "../headers/simError.h"
53 #ifdef IS_MPI
54 #define __is_lex__
55 #include "../headers/mpiBASS.h"
56 #endif
57
58 extern int yylineno;
59
60 struct filename_list{
61 char my_name[300];
62 struct filename_list* next;
63 };
64 extern struct filename_list* yyfile_name;
65
66 extern void change_in_file( FILE* in_file );
67 extern void yacc_model( char* file_name );
68 extern void kill_lists(void);
69
70 /* top of the node list */
71
72 struct node_tag* head_node;
73 struct node_tag* current_node;
74
75 %}
76
77 %%
78
79 program:
80 commands
81 ;
82
83 commands: /* NULL */
84 | commands stmt {
85 current_node->next_stmt = $2;
86 $2->prev_stmt = current_node;
87 current_node = $2;
88 }
89 ;
90
91 stmt:
92 assignment { $$ = $1; }
93 | member { $$ = $1; }
94 | constraint { $$ = $1; }
95 | orientation { $$ = $1; }
96 | position { $$ = $1; }
97 | start_index { $$ = $1; }
98 | block { $$ = $1; }
99 ;
100
101 assignment:
102 IDENTIFIER '=' INTEGER ';'
103 { $$ = assign_i( $1, $3 ); }
104 | IDENTIFIER '=' DOUBLE ';'
105 { $$ = assign_d( $1, $3 ); }
106 | IDENTIFIER '=' IDENTIFIER ';'
107 { $$ = assign_s( $1, $3 ); }
108 | IDENTIFIER '=' QUOTED_STRING ';'
109 { $$ = assign_s( $1, $3 ); }
110 ;
111
112 member:
113 MEMBERS '(' INTEGER ',' INTEGER ')' ';'
114 { $$ = members_2( $3, $5 ); }
115 | MEMBERS '(' INTEGER ',' INTEGER ',' INTEGER ')' ';'
116 { $$ = members_3( $3, $5, $7 ); }
117 | MEMBERS '(' INTEGER ',' INTEGER ',' INTEGER ',' INTEGER ')' ';'
118 { $$ = members_4( $3, $5, $7, $9 ); }
119 ;
120
121 constraint:
122 CONSTRAINT '(' INTEGER ')' ';'
123 { $$ = constraint( (double)$3 ); }
124 | CONSTRAINT '(' DOUBLE ')' ';'
125 { $$ = constraint( $3 ); }
126 ;
127
128 orientation:
129 ORIENTATION '(' DOUBLE ',' DOUBLE ',' DOUBLE ')' ';'
130 { $$ = orientation( $3, $5, $7 ); }
131 | ORIENTATION '(' INTEGER ',' DOUBLE ',' DOUBLE ')' ';'
132 { $$ = orientation( (double)$3, $5, $7 ); }
133 | ORIENTATION '(' DOUBLE ',' INTEGER ',' DOUBLE ')' ';'
134 { $$ = orientation( $3, (double)$5, $7 ); }
135 | ORIENTATION '(' DOUBLE ',' DOUBLE ',' INTEGER ')' ';'
136 { $$ = orientation( $3, $5, (double)$7 ); }
137 | ORIENTATION '(' INTEGER ',' INTEGER ',' INTEGER ')' ';'
138 { $$ = orientation( (double)$3, (double)$5, (double)$7 ); }
139 | ORIENTATION '(' DOUBLE ',' INTEGER ',' INTEGER ')' ';'
140 { $$ = orientation( $3, (double)$5, (double)$7 ); }
141 | ORIENTATION '(' INTEGER ',' DOUBLE ',' INTEGER ')' ';'
142 { $$ = orientation( (double)$3, $5, (double)$7 ); }
143 | ORIENTATION '(' INTEGER ',' INTEGER ',' DOUBLE ')' ';'
144 { $$ = orientation( (double)$3, (double)$5, $7 ); }
145 ;
146
147 position:
148 POSITION '(' DOUBLE ',' DOUBLE ',' DOUBLE ')' ';'
149 { $$ = position( $3, $5, $7 ); }
150 | POSITION '(' INTEGER ',' DOUBLE ',' DOUBLE ')' ';'
151 { $$ = position( (double)$3, $5, $7 ); }
152 | POSITION '(' DOUBLE ',' INTEGER ',' DOUBLE ')' ';'
153 { $$ = position( $3, (double)$5, $7 ); }
154 | POSITION '(' DOUBLE ',' DOUBLE ',' INTEGER ')' ';'
155 { $$ = position( $3, $5, (double)$7 ); }
156 | POSITION '(' INTEGER ',' INTEGER ',' INTEGER ')' ';'
157 { $$ = position( (double)$3, (double)$5, (double)$7 ); }
158 | POSITION '(' DOUBLE ',' INTEGER ',' INTEGER ')' ';'
159 { $$ = position( $3, (double)$5, (double)$7 ); }
160 | POSITION '(' INTEGER ',' DOUBLE ',' INTEGER ')' ';'
161 { $$ = position( (double)$3, $5, (double)$7 ); }
162 | POSITION '(' INTEGER ',' INTEGER ',' DOUBLE ')' ';'
163 { $$ = position( (double)$3, (double)$5, $7 ); }
164 ;
165
166 start_index:
167 START_INDEX int_list ';'
168 { $$ = start_index( $2 ); }
169 ;
170
171 block:
172 molecule_block { $$ = $1; }
173 | atom_block { $$ = $1; }
174 | bond_block { $$ = $1; }
175 | bend_block { $$ = $1; }
176 | torsion_block { $$ = $1; }
177 | component_block { $$ = $1; }
178 ;
179
180 molecule_block:
181 MOLECULE '{' stmt_list '}'
182 { $$ = molecule_blk( $3 ); }
183 ;
184
185 atom_block:
186 ATOM ARRAY_INDEX '{' stmt_list '}'
187 { $$ = atom_blk( $2, $4 ); }
188 ;
189
190 bond_block:
191 BOND ARRAY_INDEX '{' stmt_list '}'
192 { $$ = bond_blk( $2, $4 ); }
193 ;
194
195 bend_block:
196 BEND ARRAY_INDEX '{' stmt_list '}'
197 { $$ = bend_blk( $2, $4 ); }
198 ;
199
200 torsion_block:
201 TORSION ARRAY_INDEX '{' stmt_list '}'
202 { $$ = torsion_blk( $2, $4 ); }
203 ;
204
205 component_block:
206 COMPONENT '{' stmt_list '}'
207 { $$ = component_blk( $3 ); }
208 ;
209
210 stmt_list:
211 stmt { $$ = $1; }
212 | stmt_list stmt {
213 $1->next_stmt = $2;
214 $2->prev_stmt = $1;
215 $$ = $2;
216 }
217 ;
218
219 int_list:
220 '<' INTEGER { $$ = il_node( $2 ); }
221 | int_list ',' INTEGER {
222 struct integer_list_tag* temp;
223 temp = il_node( $3 );
224 $1->next = temp;
225 temp->prev = $1;
226 $$ = temp;
227 }
228 | int_list '>' { $$ = il_top( $1 ); }
229 ;
230
231 %%
232
233 int yyerror( char *err_msg ){
234
235 sprintf( painCave.errMsg, "yacc parse error in %s at line %d: %s\n",
236 yyfile_name->my_name, yylineno, err_msg );
237 painCave.isFatal = 1;
238 simError();
239 return 0;
240 }
241
242 void yacc_BASS( char* file_name ){
243
244 FILE* in_file;
245
246 head_node = (struct node_tag* )malloc( sizeof( node ) );
247
248 head_node->type = GLOBAL_HEAD;
249 head_node->index =0;
250 head_node->next_stmt = NULL;
251 head_node->prev_stmt = NULL;
252 head_node->stmt_list = NULL;
253
254 current_node = head_node;
255
256 in_file = fopen( file_name, "r" );
257 if( in_file == NULL ){
258 sprintf( painCave.errMsg, "yacc error: couldn't open file =>%s\n",
259 file_name );
260 painCave.isFatal = 1;
261 simError();
262 }
263
264 yyfile_name =
265 (struct filename_list*)malloc( sizeof( struct filename_list ) );
266 yyfile_name->next = NULL;
267 strcpy( yyfile_name->my_name, file_name );
268 change_in_file( in_file );
269
270 yyparse();
271
272 #ifdef IS_MPI
273 strcpy( checkPointMsg, "yyParse successful." );
274 MPIcheckPoint();
275 painCave.isEventLoop = 1;
276 #endif // is_mpi
277
278 fclose( in_file );
279 kill_lists();
280
281 pt_me( head_node );
282 kill_tree( head_node );
283 head_node = NULL;
284 }