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|
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/* define some general tokens */ |
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|
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%token MOLECULE ATOM BOND BEND TORSION POSITION MEMBERS CONSTRAINT |
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%token COMPONENT START_INDEX DEFINED ORIENTATION |
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|
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/* more advanced tokens */ |
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|
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%union { |
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int i_val; /* integer value */ |
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double d_val; /* double value */ |
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char * s_ptr; /* string pointer */ |
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struct node_tag* node_ptr; /* pointer to the statement node tree */ |
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struct integer_list_tag* il_ptr; /*pointer to a int_list item */ |
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} |
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|
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%token <i_val> INTEGER |
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%token <i_val> ARRAY_INDEX |
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|
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%token <d_val> DOUBLE |
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|
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%token <s_ptr> IDENTIFIER |
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%token <s_ptr> QUOTED_STRING |
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|
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%type <node_ptr> stmt |
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%type <node_ptr> stmt_list |
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%type <node_ptr> assignment |
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%type <node_ptr> member |
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%type <node_ptr> constraint |
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%type <node_ptr> orientation |
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%type <node_ptr> position |
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%type <node_ptr> block |
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%type <node_ptr> molecule_block |
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%type <node_ptr> atom_block |
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%type <node_ptr> bond_block |
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%type <node_ptr> bend_block |
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%type <node_ptr> torsion_block |
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%type <node_ptr> component_block |
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%type <node_ptr> start_index |
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|
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%type <il_ptr> int_list |
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|
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|
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%{ |
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|
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include "node_list.h" |
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#include "make_nodes.h" |
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#include "parse_tree.h" |
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#ifdef MPI |
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#include "../headers/mpiInterface.h" |
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#endif |
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|
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extern int yylineno; |
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|
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struct filename_list{ |
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char my_name[300]; |
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struct filename_list* next; |
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}; |
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extern struct filename_list* yyfile_name; |
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|
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extern void change_in_file( FILE* in_file ); |
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extern void yacc_model( char* file_name ); |
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extern void kill_lists(void); |
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|
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/* top of the node list */ |
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|
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struct node_tag* head_node; |
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struct node_tag* current_node; |
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|
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%} |
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|
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%% |
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|
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program: |
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commands |
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; |
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|
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commands: /* NULL */ |
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| commands stmt { |
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current_node->next_stmt = $2; |
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$2->prev_stmt = current_node; |
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current_node = $2; |
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} |
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; |
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|
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stmt: |
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assignment { $$ = $1; } |
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| member { $$ = $1; } |
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| constraint { $$ = $1; } |
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| orientation { $$ = $1; } |
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| position { $$ = $1; } |
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| start_index { $$ = $1; } |
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| block { $$ = $1; } |
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; |
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|
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assignment: |
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IDENTIFIER '=' INTEGER ';' |
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{ $$ = assign_i( $1, $3 ); } |
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| IDENTIFIER '=' DOUBLE ';' |
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{ $$ = assign_d( $1, $3 ); } |
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| IDENTIFIER '=' IDENTIFIER ';' |
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{ $$ = assign_s( $1, $3 ); } |
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| IDENTIFIER '=' QUOTED_STRING ';' |
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{ $$ = assign_s( $1, $3 ); } |
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; |
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|
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member: |
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MEMBERS '(' INTEGER ',' INTEGER ')' ';' |
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{ $$ = members_2( $3, $5 ); } |
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| MEMBERS '(' INTEGER ',' INTEGER ',' INTEGER ')' ';' |
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{ $$ = members_3( $3, $5, $7 ); } |
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| MEMBERS '(' INTEGER ',' INTEGER ',' INTEGER ',' INTEGER ')' ';' |
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{ $$ = members_4( $3, $5, $7, $9 ); } |
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; |
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|
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constraint: |
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CONSTRAINT '(' INTEGER ')' ';' |
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{ $$ = constraint( (double)$3 ); } |
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| CONSTRAINT '(' DOUBLE ')' ';' |
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{ $$ = constraint( $3 ); } |
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; |
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|
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orientation: |
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ORIENTATION '(' DOUBLE ',' DOUBLE ',' DOUBLE ')' ';' |
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{ $$ = orientation( $3, $5, $7 ); } |
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| ORIENTATION '(' INTEGER ',' DOUBLE ',' DOUBLE ')' ';' |
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{ $$ = orientation( (double)$3, $5, $7 ); } |
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| ORIENTATION '(' DOUBLE ',' INTEGER ',' DOUBLE ')' ';' |
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{ $$ = orientation( $3, (double)$5, $7 ); } |
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| ORIENTATION '(' DOUBLE ',' DOUBLE ',' INTEGER ')' ';' |
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{ $$ = orientation( $3, $5, (double)$7 ); } |
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| ORIENTATION '(' INTEGER ',' INTEGER ',' INTEGER ')' ';' |
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{ $$ = orientation( (double)$3, (double)$5, (double)$7 ); } |
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| ORIENTATION '(' DOUBLE ',' INTEGER ',' INTEGER ')' ';' |
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{ $$ = orientation( $3, (double)$5, (double)$7 ); } |
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| ORIENTATION '(' INTEGER ',' DOUBLE ',' INTEGER ')' ';' |
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{ $$ = orientation( (double)$3, $5, (double)$7 ); } |
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| ORIENTATION '(' INTEGER ',' INTEGER ',' DOUBLE ')' ';' |
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{ $$ = orientation( (double)$3, (double)$5, $7 ); } |
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; |
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|
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position: |
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POSITION '(' DOUBLE ',' DOUBLE ',' DOUBLE ')' ';' |
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{ $$ = position( $3, $5, $7 ); } |
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| POSITION '(' INTEGER ',' DOUBLE ',' DOUBLE ')' ';' |
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{ $$ = position( (double)$3, $5, $7 ); } |
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| POSITION '(' DOUBLE ',' INTEGER ',' DOUBLE ')' ';' |
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{ $$ = position( $3, (double)$5, $7 ); } |
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| POSITION '(' DOUBLE ',' DOUBLE ',' INTEGER ')' ';' |
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{ $$ = position( $3, $5, (double)$7 ); } |
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| POSITION '(' INTEGER ',' INTEGER ',' INTEGER ')' ';' |
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{ $$ = position( (double)$3, (double)$5, (double)$7 ); } |
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| POSITION '(' DOUBLE ',' INTEGER ',' INTEGER ')' ';' |
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{ $$ = position( $3, (double)$5, (double)$7 ); } |
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| POSITION '(' INTEGER ',' DOUBLE ',' INTEGER ')' ';' |
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{ $$ = position( (double)$3, $5, (double)$7 ); } |
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| POSITION '(' INTEGER ',' INTEGER ',' DOUBLE ')' ';' |
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{ $$ = position( (double)$3, (double)$5, $7 ); } |
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; |
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|
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start_index: |
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START_INDEX int_list ';' |
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{ $$ = start_index( $2 ); } |
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; |
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|
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block: |
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molecule_block { $$ = $1; } |
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| atom_block { $$ = $1; } |
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| bond_block { $$ = $1; } |
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| bend_block { $$ = $1; } |
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| torsion_block { $$ = $1; } |
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| component_block { $$ = $1; } |
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; |
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|
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molecule_block: |
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MOLECULE '{' stmt_list '}' |
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{ $$ = molecule_blk( $3 ); } |
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; |
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|
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atom_block: |
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ATOM ARRAY_INDEX '{' stmt_list '}' |
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{ $$ = atom_blk( $2, $4 ); } |
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; |
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|
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bond_block: |
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BOND ARRAY_INDEX '{' stmt_list '}' |
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{ $$ = bond_blk( $2, $4 ); } |
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; |
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|
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bend_block: |
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BEND ARRAY_INDEX '{' stmt_list '}' |
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{ $$ = bend_blk( $2, $4 ); } |
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; |
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|
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torsion_block: |
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TORSION ARRAY_INDEX '{' stmt_list '}' |
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{ $$ = torsion_blk( $2, $4 ); } |
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; |
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|
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component_block: |
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COMPONENT '{' stmt_list '}' |
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{ $$ = component_blk( $3 ); } |
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; |
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|
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stmt_list: |
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stmt { $$ = $1; } |
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| stmt_list stmt { |
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$1->next_stmt = $2; |
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$2->prev_stmt = $1; |
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$$ = $2; |
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} |
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; |
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|
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int_list: |
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'<' INTEGER { $$ = il_node( $2 ); } |
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| int_list ',' INTEGER { |
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struct integer_list_tag* temp; |
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temp = il_node( $3 ); |
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$1->next = temp; |
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temp->prev = $1; |
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$$ = temp; |
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} |
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| int_list '>' { $$ = il_top( $1 ); } |
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; |
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|
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%% |
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|
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int yyerror( char *err_msg ){ |
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|
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fprintf( stderr, "yacc parse error in %s at line %d: %s\n", yyfile_name->my_name, yylineno, err_msg ); |
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#ifdef MPI |
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mpiInterfaceExit(); |
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#endif |
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exit(8); |
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return 0; |
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} |
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|
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void yacc_BASS( char* file_name ){ |
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|
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FILE* in_file; |
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|
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head_node = (struct node_tag* )malloc( sizeof( node ) ); |
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|
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head_node->type = GLOBAL_HEAD; |
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head_node->index =0; |
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head_node->next_stmt = NULL; |
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head_node->prev_stmt = NULL; |
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head_node->stmt_list = NULL; |
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|
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current_node = head_node; |
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|
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in_file = fopen( file_name, "r" ); |
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if( in_file == NULL ){ |
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fprintf( stderr, "yacc error: couldn't open file =>%s\n", file_name ); |
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exit(0); |
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} |
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|
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yyfile_name = (struct filename_list*)malloc( sizeof( struct filename_list ) ); |
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yyfile_name->next = NULL; |
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strcpy( yyfile_name->my_name, file_name ); |
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change_in_file( in_file ); |
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|
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yyparse(); |
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fclose( in_file ); |
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kill_lists(); |
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|
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pt_me( head_node ); |
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kill_tree( head_node ); |
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head_node = NULL; |
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} |
