src/io/make_nodes.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "io/node_list.h"
#include "io/make_nodes.h"
#include "utils/simError.h"

/*
  walks to to the top of a stmt_list. Needed when assigning the
  statment list to a block of code.
*/

struct node_tag* walk_to_top( struct node_tag* walk_me ){

  while( walk_me->prev_stmt != NULL ){
    walk_me = walk_me->prev_stmt;
  }
  return walk_me;
}

/*
  the next three functions are for creating and initializing the
  assignment statements.
*/

struct node_tag* assign_i( char* lhs, int rhs ){

  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = ASSIGNMENT_STMT;
  the_node->index = 0;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = NULL;
  
  the_node->the_data.asmt.type = INT_ASSN;
  the_node->the_data.asmt.identifier = lhs;
  the_node->the_data.asmt.rhs.i_val = rhs;

  return the_node;
}

struct node_tag* assign_d( char* lhs, double rhs ){

  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = ASSIGNMENT_STMT;
  the_node->index = 0;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = NULL;
  
  the_node->the_data.asmt.type = DOUBLE_ASSN;
  the_node->the_data.asmt.identifier = lhs;
  the_node->the_data.asmt.rhs.d_val = rhs;

  return the_node;
}

struct node_tag* assign_s( char* lhs, char* rhs ){

  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = ASSIGNMENT_STMT;
  the_node->index = 0;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = NULL;
  
  the_node->the_data.asmt.type = STR_ASSN;
  the_node->the_data.asmt.identifier = lhs;
  the_node->the_data.asmt.rhs.str_ptr = rhs;

  return the_node;
}

/*
  The next function deals with creating and initializing of the
  members statements used by the bonds, bends, torsions, rigid bodies, 
  and cutoff groups.
*/

struct node_tag* members( char* list_str ){

  int nTokens, i;
  char *foo;

  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = MEMBERS_STMT;
  the_node->index = 0;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = NULL;
  
  nTokens = count_tokens(list_str, " ,;\t");

  if (nTokens < 1) {
    yyerror("can't find any members in this members statement");
  }

  the_node->the_data.mbrs.nMembers = nTokens;

  the_node->the_data.mbrs.memberList = (int *) calloc(nTokens, sizeof(int));

  foo = strtok(list_str, " ,;\t");
  the_node->the_data.mbrs.memberList[0] = atoi( foo );

  for (i = 1; i < nTokens; i++) {
    foo = strtok(NULL, " ,;\t");
    the_node->the_data.mbrs.memberList[i] = atoi( foo );
  }

  return the_node;
}

/*
  This function does the C & I of the constraint statements
*/

struct node_tag* constraint( char* list_str ){

  int nTokens;
  char *foo;

  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = CONSTRAINT_STMT;
  the_node->index = 0;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = NULL;
  
  nTokens = count_tokens(list_str, " ,;\t");
  if (nTokens != 1) {
    yyerror("wrong number of arguments given in constraint statement");
  }
      
  foo = strtok(list_str, " ,;\t");
  the_node->the_data.cnstr.constraint_val = atof( foo );

  return the_node;
}

/*
  This function does the C & I for the orientation statements
*/

struct node_tag* orientation( char* list_str ){

  int nTokens;
  char *foo;

  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = ORIENTATION_STMT;
  the_node->index = 0;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = NULL;
 
  nTokens = count_tokens(list_str, " ,;\t");
  if (nTokens != 3) {
    yyerror("wrong number of arguments given in orientation");
  }
      
  foo = strtok(list_str, " ,;\t");
  the_node->the_data.ort.phi = atof( foo );

  foo = strtok(NULL, " ,;\t");
  the_node->the_data.ort.theta = atof( foo );

  foo = strtok(NULL, " ,;\t");
  the_node->the_data.ort.psi = atof( foo );

  return the_node;
}

/*
  This function does the C & I for the position statements
*/

struct node_tag* position( char* list_str ){

  int nTokens;
  char *foo;

  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = POSITION_STMT;
  the_node->index = 0;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = NULL;

  nTokens = count_tokens(list_str, " ,;\t");
  if (nTokens != 3) {
    yyerror("wrong number of arguments given in position");
  }
      
  foo = strtok(list_str, " ,;\t");
  the_node->the_data.pos.x = atof( foo );

  foo = strtok(NULL, " ,;\t");
  the_node->the_data.pos.y = atof( foo );

  foo = strtok(NULL, " ,;\t");
  the_node->the_data.pos.z = atof( foo );

  
  return the_node;
}

/*
  The following six functions initialize the statement nodes
  coresponding to the different code block types.
*/

struct node_tag* molecule_blk( struct node_tag* stmt_list ){
  
  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = MOLECULE_HEAD;
  the_node->index = 0;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = walk_to_top( stmt_list );
    
  return the_node;
}

struct node_tag* rigidbody_blk( int index, struct node_tag* stmt_list ){
  
  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = RIGIDBODY_HEAD;
  the_node->index = index;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = walk_to_top( stmt_list );
    
  return the_node;
}

struct node_tag* cutoffgroup_blk( int index, struct node_tag* stmt_list ){
  
  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  // The guillotine statement:
  the_node->type = CUTOFFGROUP_HEAD;
  the_node->index = index;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = walk_to_top( stmt_list );
    
  return the_node;
}

struct node_tag* atom_blk( int index, struct node_tag* stmt_list ){
  
  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = ATOM_HEAD;
  the_node->index = index;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = walk_to_top( stmt_list );
    
  return the_node;
}

struct node_tag* bond_blk( int index, struct node_tag* stmt_list ){
  
  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = BOND_HEAD;
  the_node->index = index;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = walk_to_top( stmt_list );
    
  return the_node;
}
 
struct node_tag* bend_blk( int index, struct node_tag* stmt_list ){
  
  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = BEND_HEAD;
  the_node->index = index;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = walk_to_top( stmt_list );
    
  return the_node;
}

struct node_tag* torsion_blk( int index, struct node_tag* stmt_list ){
  
  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = TORSION_HEAD;
  the_node->index = index;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = walk_to_top( stmt_list );
    
  return the_node;
}

struct node_tag* zconstraint_blk( int index, struct node_tag* stmt_list ){
  
  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = ZCONSTRAINT_HEAD;
  the_node->index = index;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = walk_to_top( stmt_list );
    
  return the_node;
} 
 
struct node_tag* component_blk( struct node_tag* stmt_list ){
  
  struct node_tag* the_node;
  the_node = ( struct node_tag* )malloc( sizeof( node ) );
  
  the_node->type = COMPONENT_HEAD;
  the_node->index = 0;
  the_node->next_stmt = NULL;
  the_node->prev_stmt = NULL;
  the_node->stmt_list = walk_to_top( stmt_list );
  
  return the_node;
}


int count_tokens(char *line, char *delimiters) {
/* PURPOSE: RETURN A COUNT OF THE NUMBER OF TOKENS ON THE LINE. */

  char *working_line;   /* WORKING COPY OF LINE. */
  int ntokens;          /* NUMBER OF TOKENS FOUND IN LINE. */
  char *strtok_ptr;     /* POINTER FOR STRTOK. */
  
  strtok_ptr= working_line= strdup(line);
  
  ntokens=0;
  while (strtok(strtok_ptr,delimiters)!=NULL)
    {
      ntokens++;
      strtok_ptr=NULL;
    }
  
  free(working_line);
  return(ntokens);
}
Revision:	1683
Committed:	Thu Oct 28 22:34:02 2004 UTC (19 years, 8 months ago)
Content type:	text/plain
File size:	8917 byte(s)
Log Message:	This commit was manufactured by cvs2svn to create branch 'new_design'.
#	User	Rev	Content
1	gezelter	1490	#include <stdio.h>
2			#include <stdlib.h>
3			#include <string.h>
4
5	tim	1492	#include "io/node_list.h"
6			#include "io/make_nodes.h"
7			#include "utils/simError.h"
8	gezelter	1490
9			/*
10			walks to to the top of a stmt_list. Needed when assigning the
11			statment list to a block of code.
12			*/
13
14			struct node_tag* walk_to_top( struct node_tag* walk_me ){
15
16			while( walk_me->prev_stmt != NULL ){
17			walk_me = walk_me->prev_stmt;
18			}
19			return walk_me;
20			}
21
22			/*
23			the next three functions are for creating and initializing the
24			assignment statements.
25			*/
26
27			struct node_tag* assign_i( char* lhs, int rhs ){
28
29			struct node_tag* the_node;
30			the_node = ( struct node_tag* )malloc( sizeof( node ) );
31
32			the_node->type = ASSIGNMENT_STMT;
33			the_node->index = 0;
34			the_node->next_stmt = NULL;
35			the_node->prev_stmt = NULL;
36			the_node->stmt_list = NULL;
37
38			the_node->the_data.asmt.type = INT_ASSN;
39			the_node->the_data.asmt.identifier = lhs;
40			the_node->the_data.asmt.rhs.i_val = rhs;
41
42			return the_node;
43			}
44
45			struct node_tag* assign_d( char* lhs, double rhs ){
46
47			struct node_tag* the_node;
48			the_node = ( struct node_tag* )malloc( sizeof( node ) );
49
50			the_node->type = ASSIGNMENT_STMT;
51			the_node->index = 0;
52			the_node->next_stmt = NULL;
53			the_node->prev_stmt = NULL;
54			the_node->stmt_list = NULL;
55
56			the_node->the_data.asmt.type = DOUBLE_ASSN;
57			the_node->the_data.asmt.identifier = lhs;
58			the_node->the_data.asmt.rhs.d_val = rhs;
59
60			return the_node;
61			}
62
63			struct node_tag* assign_s( char* lhs, char* rhs ){
64
65			struct node_tag* the_node;
66			the_node = ( struct node_tag* )malloc( sizeof( node ) );
67
68			the_node->type = ASSIGNMENT_STMT;
69			the_node->index = 0;
70			the_node->next_stmt = NULL;
71			the_node->prev_stmt = NULL;
72			the_node->stmt_list = NULL;
73
74			the_node->the_data.asmt.type = STR_ASSN;
75			the_node->the_data.asmt.identifier = lhs;
76			the_node->the_data.asmt.rhs.str_ptr = rhs;
77
78			return the_node;
79			}
80
81			/*
82			The next function deals with creating and initializing of the
83			members statements used by the bonds, bends, torsions, rigid bodies,
84			and cutoff groups.
85			*/
86
87			struct node_tag* members( char* list_str ){
88
89			int nTokens, i;
90			char *foo;
91
92			struct node_tag* the_node;
93			the_node = ( struct node_tag* )malloc( sizeof( node ) );
94
95			the_node->type = MEMBERS_STMT;
96			the_node->index = 0;
97			the_node->next_stmt = NULL;
98			the_node->prev_stmt = NULL;
99			the_node->stmt_list = NULL;
100
101			nTokens = count_tokens(list_str, " ,;\t");
102
103			if (nTokens < 1) {
104			yyerror("can't find any members in this members statement");
105			}
106
107			the_node->the_data.mbrs.nMembers = nTokens;
108
109			the_node->the_data.mbrs.memberList = (int *) calloc(nTokens, sizeof(int));
110
111			foo = strtok(list_str, " ,;\t");
112			the_node->the_data.mbrs.memberList[0] = atoi( foo );
113
114			for (i = 1; i < nTokens; i++) {
115			foo = strtok(NULL, " ,;\t");
116			the_node->the_data.mbrs.memberList[i] = atoi( foo );
117			}
118
119			return the_node;
120			}
121
122			/*
123			This function does the C & I of the constraint statements
124			*/
125
126			struct node_tag* constraint( char* list_str ){
127
128			int nTokens;
129			char *foo;
130
131			struct node_tag* the_node;
132			the_node = ( struct node_tag* )malloc( sizeof( node ) );
133
134			the_node->type = CONSTRAINT_STMT;
135			the_node->index = 0;
136			the_node->next_stmt = NULL;
137			the_node->prev_stmt = NULL;
138			the_node->stmt_list = NULL;
139
140			nTokens = count_tokens(list_str, " ,;\t");
141			if (nTokens != 1) {
142			yyerror("wrong number of arguments given in constraint statement");
143			}
144
145			foo = strtok(list_str, " ,;\t");
146			the_node->the_data.cnstr.constraint_val = atof( foo );
147
148			return the_node;
149			}
150
151			/*
152			This function does the C & I for the orientation statements
153			*/
154
155			struct node_tag* orientation( char* list_str ){
156
157			int nTokens;
158			char *foo;
159
160			struct node_tag* the_node;
161			the_node = ( struct node_tag* )malloc( sizeof( node ) );
162
163			the_node->type = ORIENTATION_STMT;
164			the_node->index = 0;
165			the_node->next_stmt = NULL;
166			the_node->prev_stmt = NULL;
167			the_node->stmt_list = NULL;
168
169			nTokens = count_tokens(list_str, " ,;\t");
170			if (nTokens != 3) {
171			yyerror("wrong number of arguments given in orientation");
172			}
173
174			foo = strtok(list_str, " ,;\t");
175			the_node->the_data.ort.phi = atof( foo );
176
177			foo = strtok(NULL, " ,;\t");
178			the_node->the_data.ort.theta = atof( foo );
179
180			foo = strtok(NULL, " ,;\t");
181			the_node->the_data.ort.psi = atof( foo );
182
183			return the_node;
184			}
185
186			/*
187			This function does the C & I for the position statements
188			*/
189
190			struct node_tag* position( char* list_str ){
191
192			int nTokens;
193			char *foo;
194
195			struct node_tag* the_node;
196			the_node = ( struct node_tag* )malloc( sizeof( node ) );
197
198			the_node->type = POSITION_STMT;
199			the_node->index = 0;
200			the_node->next_stmt = NULL;
201			the_node->prev_stmt = NULL;
202			the_node->stmt_list = NULL;
203
204			nTokens = count_tokens(list_str, " ,;\t");
205			if (nTokens != 3) {
206			yyerror("wrong number of arguments given in position");
207			}
208
209			foo = strtok(list_str, " ,;\t");
210			the_node->the_data.pos.x = atof( foo );
211
212			foo = strtok(NULL, " ,;\t");
213			the_node->the_data.pos.y = atof( foo );
214
215			foo = strtok(NULL, " ,;\t");
216			the_node->the_data.pos.z = atof( foo );
217
218
219			return the_node;
220			}
221
222			/*
223			The following six functions initialize the statement nodes
224			coresponding to the different code block types.
225			*/
226
227			struct node_tag* molecule_blk( struct node_tag* stmt_list ){
228
229			struct node_tag* the_node;
230			the_node = ( struct node_tag* )malloc( sizeof( node ) );
231
232			the_node->type = MOLECULE_HEAD;
233			the_node->index = 0;
234			the_node->next_stmt = NULL;
235			the_node->prev_stmt = NULL;
236			the_node->stmt_list = walk_to_top( stmt_list );
237
238			return the_node;
239			}
240
241			struct node_tag* rigidbody_blk( int index, struct node_tag* stmt_list ){
242
243			struct node_tag* the_node;
244			the_node = ( struct node_tag* )malloc( sizeof( node ) );
245
246			the_node->type = RIGIDBODY_HEAD;
247			the_node->index = index;
248			the_node->next_stmt = NULL;
249			the_node->prev_stmt = NULL;
250			the_node->stmt_list = walk_to_top( stmt_list );
251
252			return the_node;
253			}
254
255			struct node_tag* cutoffgroup_blk( int index, struct node_tag* stmt_list ){
256
257			struct node_tag* the_node;
258			the_node = ( struct node_tag* )malloc( sizeof( node ) );
259
260			// The guillotine statement:
261			the_node->type = CUTOFFGROUP_HEAD;
262			the_node->index = index;
263			the_node->next_stmt = NULL;
264			the_node->prev_stmt = NULL;
265			the_node->stmt_list = walk_to_top( stmt_list );
266
267			return the_node;
268			}
269
270			struct node_tag* atom_blk( int index, struct node_tag* stmt_list ){
271
272			struct node_tag* the_node;
273			the_node = ( struct node_tag* )malloc( sizeof( node ) );
274
275			the_node->type = ATOM_HEAD;
276			the_node->index = index;
277			the_node->next_stmt = NULL;
278			the_node->prev_stmt = NULL;
279			the_node->stmt_list = walk_to_top( stmt_list );
280
281			return the_node;
282			}
283
284			struct node_tag* bond_blk( int index, struct node_tag* stmt_list ){
285
286			struct node_tag* the_node;
287			the_node = ( struct node_tag* )malloc( sizeof( node ) );
288
289			the_node->type = BOND_HEAD;
290			the_node->index = index;
291			the_node->next_stmt = NULL;
292			the_node->prev_stmt = NULL;
293			the_node->stmt_list = walk_to_top( stmt_list );
294
295			return the_node;
296			}
297
298			struct node_tag* bend_blk( int index, struct node_tag* stmt_list ){
299
300			struct node_tag* the_node;
301			the_node = ( struct node_tag* )malloc( sizeof( node ) );
302
303			the_node->type = BEND_HEAD;
304			the_node->index = index;
305			the_node->next_stmt = NULL;
306			the_node->prev_stmt = NULL;
307			the_node->stmt_list = walk_to_top( stmt_list );
308
309			return the_node;
310			}
311
312			struct node_tag* torsion_blk( int index, struct node_tag* stmt_list ){
313
314			struct node_tag* the_node;
315			the_node = ( struct node_tag* )malloc( sizeof( node ) );
316
317			the_node->type = TORSION_HEAD;
318			the_node->index = index;
319			the_node->next_stmt = NULL;
320			the_node->prev_stmt = NULL;
321			the_node->stmt_list = walk_to_top( stmt_list );
322
323			return the_node;
324			}
325
326			struct node_tag* zconstraint_blk( int index, struct node_tag* stmt_list ){
327
328			struct node_tag* the_node;
329			the_node = ( struct node_tag* )malloc( sizeof( node ) );
330
331			the_node->type = ZCONSTRAINT_HEAD;
332			the_node->index = index;
333			the_node->next_stmt = NULL;
334			the_node->prev_stmt = NULL;
335			the_node->stmt_list = walk_to_top( stmt_list );
336
337			return the_node;
338			}
339
340			struct node_tag* component_blk( struct node_tag* stmt_list ){
341
342			struct node_tag* the_node;
343			the_node = ( struct node_tag* )malloc( sizeof( node ) );
344
345			the_node->type = COMPONENT_HEAD;
346			the_node->index = 0;
347			the_node->next_stmt = NULL;
348			the_node->prev_stmt = NULL;
349			the_node->stmt_list = walk_to_top( stmt_list );
350
351			return the_node;
352			}
353
354
355			int count_tokens(char line, char delimiters) {
356			/* PURPOSE: RETURN A COUNT OF THE NUMBER OF TOKENS ON THE LINE. */
357
358			char working_line; / WORKING COPY OF LINE. */
359			int ntokens; /* NUMBER OF TOKENS FOUND IN LINE. */
360			char strtok_ptr; / POINTER FOR STRTOK. */
361
362			strtok_ptr= working_line= strdup(line);
363
364			ntokens=0;
365			while (strtok(strtok_ptr,delimiters)!=NULL)
366			{
367			ntokens++;
368			strtok_ptr=NULL;
369			}
370
371			free(working_line);
372			return(ntokens);
373			}