| 1 |
#include <stdlib.h> |
| 2 |
#include <stdio.h> |
| 3 |
|
| 4 |
#include "parse_tree.h" |
| 5 |
#include "simError.h" |
| 6 |
|
| 7 |
#ifdef IS_MPI |
| 8 |
#define __is_lex__ |
| 9 |
#include "mpiBASS.h" |
| 10 |
#endif |
| 11 |
|
| 12 |
void walk_down( struct node_tag* the_node, struct namespc the_namespc ); |
| 13 |
int mol_index; // keeps track of the number of molecules |
| 14 |
int comp_index; // keeps track of the number of components. |
| 15 |
|
| 16 |
/* |
| 17 |
* This is the parse tree function that is called by the yacc |
| 18 |
* routine. It passes the global node and namespace to the recursive |
| 19 |
* walk_down routine to explore the node tree. |
| 20 |
*/ |
| 21 |
|
| 22 |
void pt_me( struct node_tag* head_node ){ |
| 23 |
|
| 24 |
struct namespc global_namespc; |
| 25 |
|
| 26 |
if( head_node->type != GLOBAL_HEAD ){ |
| 27 |
sprintf( painCave.errMsg, |
| 28 |
"Parse tree error: The head node was not the global node.\n" ); |
| 29 |
painCave.isFatal = 1; |
| 30 |
simError(); |
| 31 |
#ifdef IS_MPI |
| 32 |
mpiInterfaceExit(); |
| 33 |
#endif //is_mpi |
| 34 |
} |
| 35 |
|
| 36 |
global_namespc.index = 0; |
| 37 |
global_namespc.type = GLOBAL_HEAD; |
| 38 |
|
| 39 |
mol_index = 0; |
| 40 |
comp_index = 0; |
| 41 |
walk_down( head_node->next_stmt, global_namespc ); |
| 42 |
// closed global namespace and exit |
| 43 |
|
| 44 |
} |
| 45 |
|
| 46 |
/* |
| 47 |
* This is the main logic workhorse routine for the node tree |
| 48 |
* parser. It recursively walks down the node list and calls the |
| 49 |
* appropriate interface functions acording to the node types. It will |
| 50 |
* also set the appropriate namespace for the nodes. |
| 51 |
* |
| 52 |
* Note: the nodes only know about the namespace of their |
| 53 |
* current level, the namespace above themselves is hidden. |
| 54 |
*/ |
| 55 |
|
| 56 |
void walk_down( struct node_tag* the_node, struct namespc the_namespc ){ |
| 57 |
|
| 58 |
struct namespc current_namespc; |
| 59 |
|
| 60 |
if( the_node != NULL ){ |
| 61 |
|
| 62 |
if( the_node->type == GLOBAL_HEAD ){ |
| 63 |
print_tree_error( the_node, "Too many global regions" ); |
| 64 |
} |
| 65 |
|
| 66 |
if( the_node->stmt_list != NULL ){ |
| 67 |
|
| 68 |
// the statement is a block node of some sort |
| 69 |
|
| 70 |
switch( the_node->type ){ |
| 71 |
|
| 72 |
case COMPONENT_HEAD: |
| 73 |
if( the_namespc.type != GLOBAL_HEAD ){ |
| 74 |
print_tree_error( the_node, |
| 75 |
"component block is not in the global namespace" ); |
| 76 |
} |
| 77 |
else{ |
| 78 |
init_component( comp_index ); |
| 79 |
current_namespc.index = comp_index; |
| 80 |
current_namespc.type = COMPONENT_HEAD; |
| 81 |
walk_down( the_node->stmt_list, current_namespc ); |
| 82 |
comp_index++; |
| 83 |
} |
| 84 |
break; |
| 85 |
|
| 86 |
case MOLECULE_HEAD: |
| 87 |
if( the_namespc.type != GLOBAL_HEAD ){ |
| 88 |
print_tree_error( the_node, |
| 89 |
"Molecule block is not in the global namespace" ); |
| 90 |
} |
| 91 |
else{ |
| 92 |
init_molecule( mol_index ); |
| 93 |
current_namespc.index = mol_index; |
| 94 |
current_namespc.type = MOLECULE_HEAD; |
| 95 |
walk_down( the_node->stmt_list, current_namespc ); |
| 96 |
mol_index++; |
| 97 |
} |
| 98 |
break; |
| 99 |
|
| 100 |
case ATOM_HEAD: |
| 101 |
if( the_namespc.type != MOLECULE_HEAD && the_namespc.type != RIGIDBODY_HEAD ){ |
| 102 |
print_tree_error( the_node, |
| 103 |
"The atom block is not in a molecule or rigidBody namespace" ); |
| 104 |
} |
| 105 |
else{ |
| 106 |
init_atom( the_node->index ); |
| 107 |
current_namespc.index = the_node->index; |
| 108 |
current_namespc.type = the_node->type; |
| 109 |
walk_down( the_node->stmt_list, current_namespc ); |
| 110 |
} |
| 111 |
break; |
| 112 |
|
| 113 |
case RIGIDBODY_HEAD: |
| 114 |
if( the_namespc.type != MOLECULE_HEAD ){ |
| 115 |
print_tree_error( the_node, |
| 116 |
"The rigid body block is not in a molecule namespace" ); |
| 117 |
} |
| 118 |
else{ |
| 119 |
init_rigidbody( the_node->index ); |
| 120 |
current_namespc.index = the_node->index; |
| 121 |
current_namespc.type = the_node->type; |
| 122 |
walk_down( the_node->stmt_list, current_namespc ); |
| 123 |
} |
| 124 |
break; |
| 125 |
|
| 126 |
case BOND_HEAD: |
| 127 |
if( the_namespc.type != MOLECULE_HEAD ){ |
| 128 |
print_tree_error( the_node, |
| 129 |
"The bond block is not in a molecule namespace" ); |
| 130 |
} |
| 131 |
else{ |
| 132 |
init_bond( the_node->index ); |
| 133 |
current_namespc.index = the_node->index; |
| 134 |
current_namespc.type = the_node->type; |
| 135 |
walk_down( the_node->stmt_list, current_namespc ); |
| 136 |
} |
| 137 |
break; |
| 138 |
|
| 139 |
case BEND_HEAD: |
| 140 |
if( the_namespc.type != MOLECULE_HEAD ){ |
| 141 |
print_tree_error( the_node, |
| 142 |
"The bend block is not in a molecule namespace" ); |
| 143 |
} |
| 144 |
else{ |
| 145 |
init_bend( the_node->index ); |
| 146 |
current_namespc.index = the_node->index; |
| 147 |
current_namespc.type = the_node->type; |
| 148 |
walk_down( the_node->stmt_list, current_namespc ); |
| 149 |
} |
| 150 |
break; |
| 151 |
|
| 152 |
case TORSION_HEAD: |
| 153 |
if( the_namespc.type != MOLECULE_HEAD ){ |
| 154 |
print_tree_error( the_node, |
| 155 |
"The torsion block is not in " |
| 156 |
"a molecule namespace" ); |
| 157 |
} |
| 158 |
else{ |
| 159 |
init_torsion( the_node->index ); |
| 160 |
current_namespc.index = the_node->index; |
| 161 |
current_namespc.type = the_node->type; |
| 162 |
walk_down( the_node->stmt_list, current_namespc ); |
| 163 |
} |
| 164 |
break; |
| 165 |
|
| 166 |
case ZCONSTRAINT_HEAD: |
| 167 |
if( the_namespc.type != GLOBAL_HEAD ){ |
| 168 |
print_tree_error( the_node, |
| 169 |
"The Zconstraint block is not in " |
| 170 |
"the global namespace" ); |
| 171 |
} |
| 172 |
else{ |
| 173 |
init_zconstraint( the_node->index ); |
| 174 |
current_namespc.index = the_node->index; |
| 175 |
current_namespc.type = the_node->type; |
| 176 |
walk_down( the_node->stmt_list, current_namespc ); |
| 177 |
} |
| 178 |
break; |
| 179 |
|
| 180 |
default: |
| 181 |
print_tree_error( the_node, "Not a valid code block" ); |
| 182 |
} |
| 183 |
} |
| 184 |
|
| 185 |
else{ |
| 186 |
|
| 187 |
// the node is a statement |
| 188 |
|
| 189 |
switch( the_node->type ){ |
| 190 |
|
| 191 |
case MEMBERS_STMT: |
| 192 |
switch( the_namespc.type ){ |
| 193 |
case BOND_HEAD: // fall through |
| 194 |
case BEND_HEAD: // fall through |
| 195 |
case TORSION_HEAD: // same for the first three |
| 196 |
case RIGIDBODY_HEAD: |
| 197 |
init_members( the_node, the_namespc ); |
| 198 |
break; |
| 199 |
|
| 200 |
default: |
| 201 |
print_tree_error( the_node, |
| 202 |
"Members statement not in a bond, bend, " |
| 203 |
"torsion, or rigidBody." ); |
| 204 |
break; |
| 205 |
} |
| 206 |
break; |
| 207 |
|
| 208 |
case CONSTRAINT_STMT: |
| 209 |
switch( the_namespc.type ){ |
| 210 |
case BOND_HEAD: // fall through |
| 211 |
case BEND_HEAD: // fall through |
| 212 |
case TORSION_HEAD: // same for the first three |
| 213 |
init_constraint( the_node, the_namespc ); |
| 214 |
break; |
| 215 |
|
| 216 |
default: |
| 217 |
print_tree_error( the_node, |
| 218 |
"Constraint statement not in a bond, bend, " |
| 219 |
"or torsion" ); |
| 220 |
break; |
| 221 |
} |
| 222 |
break; |
| 223 |
|
| 224 |
case ASSIGNMENT_STMT: |
| 225 |
init_assignment( the_node, the_namespc ); |
| 226 |
break; |
| 227 |
|
| 228 |
case POSITION_STMT: |
| 229 |
if( the_namespc.type != ATOM_HEAD && the_namespc.type != RIGIDBODY_HEAD){ |
| 230 |
print_tree_error( the_node, |
| 231 |
"position statement is not located in an " |
| 232 |
"atom or rigidBody block" ); |
| 233 |
} |
| 234 |
|
| 235 |
init_position( the_node, the_namespc ); |
| 236 |
break; |
| 237 |
|
| 238 |
case ORIENTATION_STMT: |
| 239 |
if( the_namespc.type != ATOM_HEAD && the_namespc.type != RIGIDBODY_HEAD){ |
| 240 |
print_tree_error( the_node, |
| 241 |
"orientation statement is not located in an " |
| 242 |
"atom or rigidBody block" ); |
| 243 |
} |
| 244 |
|
| 245 |
init_orientation( the_node, the_namespc ); |
| 246 |
break; |
| 247 |
|
| 248 |
default: |
| 249 |
print_tree_error( the_node, "unrecognized statement" ); |
| 250 |
break; |
| 251 |
} |
| 252 |
} |
| 253 |
|
| 254 |
// recurse down to the next node |
| 255 |
|
| 256 |
walk_down( the_node->next_stmt, the_namespc ); |
| 257 |
} |
| 258 |
|
| 259 |
// send an end of block signal |
| 260 |
else end_of_block(); |
| 261 |
|
| 262 |
// we're done |
| 263 |
} |
| 264 |
|
| 265 |
|
| 266 |
|
| 267 |
/* |
| 268 |
* This is a routine utilized by the node parsers to make printing |
| 269 |
* error messages easy. |
| 270 |
*/ |
| 271 |
|
| 272 |
void print_tree_error( struct node_tag* err_node, char* err_msg ){ |
| 273 |
|
| 274 |
switch( err_node->type ){ |
| 275 |
|
| 276 |
case GLOBAL_HEAD: |
| 277 |
sprintf( painCave.errMsg, |
| 278 |
"Parse tree error: global head node error -> %s\n", |
| 279 |
err_msg ); |
| 280 |
break; |
| 281 |
|
| 282 |
case COMPONENT_HEAD: |
| 283 |
sprintf( painCave.errMsg, |
| 284 |
"Parse tree error: component head node error -> %s\n", |
| 285 |
err_msg ); |
| 286 |
break; |
| 287 |
|
| 288 |
case MOLECULE_HEAD: |
| 289 |
sprintf( painCave.errMsg, |
| 290 |
"Parse tree error: molecule head node error -> %s\n", |
| 291 |
err_msg ); |
| 292 |
break; |
| 293 |
|
| 294 |
case RIGIDBODY_HEAD: |
| 295 |
sprintf( painCave.errMsg, |
| 296 |
"Parse tree error: rigidBody head node error -> %s\n", |
| 297 |
err_msg ); |
| 298 |
break; |
| 299 |
|
| 300 |
case ATOM_HEAD: |
| 301 |
sprintf( painCave.errMsg, |
| 302 |
"Parse tree error: atom head node error [%d] -> %s\n", |
| 303 |
err_node->index, |
| 304 |
err_msg ); |
| 305 |
break; |
| 306 |
|
| 307 |
case BOND_HEAD: |
| 308 |
sprintf( painCave.errMsg, |
| 309 |
"Parse tree error: bond head node error [%d] -> %s\n", |
| 310 |
err_node->index, |
| 311 |
err_msg ); |
| 312 |
break; |
| 313 |
|
| 314 |
case BEND_HEAD: |
| 315 |
sprintf( painCave.errMsg, |
| 316 |
"Parse tree error: bend head node error [%d] -> %s\n", |
| 317 |
err_node->index, |
| 318 |
err_msg ); |
| 319 |
break; |
| 320 |
|
| 321 |
case ZCONSTRAINT_HEAD: |
| 322 |
sprintf( painCave.errMsg, |
| 323 |
"Parse tree error: Zconstraint head node error [%d] -> %s\n", |
| 324 |
err_node->index, |
| 325 |
err_msg ); |
| 326 |
break; |
| 327 |
|
| 328 |
case MEMBERS_STMT: |
| 329 |
sprintf( painCave.errMsg, |
| 330 |
"Parse tree error: members node error (nMembers = %d)\n" |
| 331 |
" -> %s\n", |
| 332 |
err_node->the_data.mbrs.nMembers, |
| 333 |
err_msg ); |
| 334 |
break; |
| 335 |
|
| 336 |
case CONSTRAINT_STMT: |
| 337 |
sprintf( painCave.errMsg, |
| 338 |
"Parse tree error: constraint node error => ( %lf )\n" |
| 339 |
" -> %s\n", |
| 340 |
err_node->the_data.cnstr.constraint_val, |
| 341 |
err_msg ); |
| 342 |
break; |
| 343 |
|
| 344 |
case ASSIGNMENT_STMT: |
| 345 |
sprintf( painCave.errMsg, |
| 346 |
"Parse tree error: assignment node error\n" |
| 347 |
" => %s = ", |
| 348 |
err_node->the_data.asmt.identifier ); |
| 349 |
|
| 350 |
switch( err_node->the_data.asmt.type ){ |
| 351 |
|
| 352 |
case STR_ASSN: |
| 353 |
sprintf( painCave.errMsg, |
| 354 |
"%s", |
| 355 |
err_node->the_data.asmt.rhs.str_ptr ); |
| 356 |
break; |
| 357 |
|
| 358 |
case INT_ASSN: |
| 359 |
sprintf( painCave.errMsg, |
| 360 |
"%d", |
| 361 |
err_node->the_data.asmt.rhs.i_val ); |
| 362 |
break; |
| 363 |
|
| 364 |
case DOUBLE_ASSN: |
| 365 |
sprintf( painCave.errMsg, |
| 366 |
"%lf", |
| 367 |
err_node->the_data.asmt.rhs.d_val ); |
| 368 |
break; |
| 369 |
} |
| 370 |
|
| 371 |
sprintf( painCave.errMsg, |
| 372 |
"\n" |
| 373 |
" -> %s\n", |
| 374 |
err_msg ); |
| 375 |
break; |
| 376 |
|
| 377 |
case POSITION_STMT: |
| 378 |
sprintf( painCave.errMsg, |
| 379 |
"Parse tree error: position node error => ( %lf, %lf, %lf )\n" |
| 380 |
" -> %s\n", |
| 381 |
err_node->the_data.pos.x, |
| 382 |
err_node->the_data.pos.y, |
| 383 |
err_node->the_data.pos.z, |
| 384 |
err_msg ); |
| 385 |
break; |
| 386 |
|
| 387 |
case ORIENTATION_STMT: |
| 388 |
sprintf( painCave.errMsg, |
| 389 |
"Parse tree error: orientation node error => ( %lf, %lf, %lf )\n" |
| 390 |
" -> %s\n", |
| 391 |
err_node->the_data.ort.phi, |
| 392 |
err_node->the_data.ort.theta, |
| 393 |
err_node->the_data.ort.psi, |
| 394 |
err_msg ); |
| 395 |
break; |
| 396 |
|
| 397 |
default: |
| 398 |
sprintf( painCave.errMsg, |
| 399 |
"Parse tree error: unknown node type -> %s\n", |
| 400 |
err_msg ); |
| 401 |
} |
| 402 |
|
| 403 |
painCave.isFatal = 1; |
| 404 |
simError(); |
| 405 |
#ifdef IS_MPI |
| 406 |
mpiInterfaceExit(); |
| 407 |
#endif //is_mpi |
| 408 |
|
| 409 |
} |
| 410 |
|
| 411 |
|
| 412 |
/* |
| 413 |
* recursive walkdown and kill of the node tree |
| 414 |
* note: looks mighty similar to the walkdown routine. |
| 415 |
*/ |
| 416 |
|
| 417 |
void kill_tree( struct node_tag* the_node ){ |
| 418 |
|
| 419 |
|
| 420 |
if( the_node != NULL ){ |
| 421 |
|
| 422 |
if( the_node->stmt_list != NULL ){ |
| 423 |
|
| 424 |
// the statement is a block node of some sort |
| 425 |
|
| 426 |
kill_tree( the_node->stmt_list ); |
| 427 |
} |
| 428 |
|
| 429 |
else{ |
| 430 |
|
| 431 |
// the node is a statement |
| 432 |
|
| 433 |
switch( the_node->type ){ |
| 434 |
|
| 435 |
case ASSIGNMENT_STMT: |
| 436 |
|
| 437 |
if( the_node->the_data.asmt.type == STR_ASSN ) |
| 438 |
free( the_node->the_data.asmt.rhs.str_ptr ); |
| 439 |
|
| 440 |
free( the_node->the_data.asmt.identifier ); |
| 441 |
break; |
| 442 |
|
| 443 |
default: |
| 444 |
// nothing to do here, everyone else can be freed normally. |
| 445 |
break; |
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
// recurse down to the next node |
| 450 |
|
| 451 |
kill_tree( the_node->next_stmt ); |
| 452 |
free( the_node ); |
| 453 |
} |
| 454 |
|
| 455 |
// we're done |
| 456 |
} |
