void SAM(C64 *the_c64)
{
bool done = false;
char c;
TheCPU = the_c64->TheCPU;
TheCPU1541 = the_c64->TheCPU1541;
TheVIC = the_c64->TheVIC;
TheSID = the_c64->TheSID;
TheCIA1 = the_c64->TheCIA1;
TheCIA2 = the_c64->TheCIA2;
// Get CPU registers and current memory configuration
TheCPU->GetState(&R64);
TheCPU->ExtConfig = (~R64.ddr | R64.pr) & 7;
TheCPU1541->GetState(&R1541);
#ifdef __riscos__
Wimp_CommandWindow((int)"SAM");
#endif
#ifdef AMIGA
if (!(fin = fout = ferr = fopen("CON:0/0/640/480/SAM", "w+")))
return;
#else
fin = stdin;
fout = stdout;
ferr = stdout;
#endif
access_1541 = false;
address = R64.pc;
fprintf(ferr, "\n *** SAM - Simple Assembler and Monitor ***\n *** Press 'h' for help ***\n\n");
init_abort();
display_registers();
while (!done) {
if (access_1541)
fprintf(ferr, "1541> ");
else
fprintf(ferr, "C64> ");
fflush(ferr);
read_line();
while ((c = get_char()) == ' ') ;
switch (c) {
case 'a': // Assemble
get_token();
assemble();
break;
case 'b': // Binary dump
get_token();
binary_dump();
break;
case 'c': // Compare
get_token();
compare();
break;
case 'd': // Disassemble
get_token();
disassemble();
break;
case 'e': // Interrupt vectors
int_vectors();
break;
case 'f': // Fill
get_token();
fill();
break;
case 'h': // Help
help();
break;
case 'i': // ASCII dump
get_token();
ascii_dump();
break;
case 'k': // Memory configuration
get_token();
mem_config();
break;
case 'l': // Load data
get_token();
load_data();
break;
case 'm': // Memory dump
get_token();
memory_dump();
break;
case 'n': // Screen code dump
get_token();
screen_dump();
break;
case 'o': // Redirect output
get_token();
redir_output();
break;
case 'p': // Sprite dump
get_token();
sprite_dump();
break;
case 'r': // Registers
get_reg_token();
registers();
break;
case 's': // Save data
get_token();
save_data();
break;
case 't': // Transfer
get_token();
transfer();
break;
case 'v': // View machine state
view_state();
break;
case 'x': // Exit
done = true;
break;
case ':': // Change memory
get_token();
modify();
break;
case '1': // Switch to 1541 mode
access_1541 = true;
break;
case '6': // Switch to C64 mode
access_1541 = false;
break;
case '?': // Compute expression
get_token();
print_expr();
break;
case '\n': // Blank line
break;
default: // Unknown command
error("Unknown command");
break;
}
}
exit_abort();
#ifdef AMIGA
fclose(fin);
#endif
if (fout != ferr)
fclose(fout);
#ifdef __riscos__
Wimp_CommandWindow(-1);
#endif
// Set CPU registers
TheCPU->SetState(&R64);
TheCPU1541->SetState(&R1541);
}
int run_parser( TTreeView *TreeView1 , char *file_name )
{
Config_set *config_ptr;
GRAMMAR *G_ptr;
STATE *state_ptr;
TOKEN *T_ptr , *T_tmp;
FILE *input ,*out;
char grammar_rule[1024];
char *ptr , *ptr_string;
char *ptr_lhs , *ptr_rhs;
SET *S_ptr;
int i , j;
int rule_num;
strncpy( lambda , "£f" , strlen("£f")+1 );
G_start = NULL;
G_end = NULL;
terminal_start = NULL;
terminal_end = NULL;
nonterminal_start = NULL;
nonterminal_end = NULL;
first_set_start = NULL;
first_set_end = NULL;
follow_set_start = NULL;
follow_set_end = NULL;
predict_set_start = NULL;
predict_set_end = NULL;
config_start = NULL;
config_end = NULL;
state_start = NULL;
state_end = NULL;
state_num = 0;
//scanner();
input = fopen( file_name ,"r");
scan = fopen("out.txt","r");
if ( input == NULL )
{
Application->MessageBoxA("grammar file error","error",0);
return 0;
}
// out = fopen("table.csv","w");
for ( i = 0 ; fgets( grammar_rule , 1024 , input ) ; )
{
ptr = grammar_rule;
// remove \n
ptr = strstr(grammar_rule , "\n");
if(ptr != NULL)
*ptr = '\0';
// remove rule num
ptr = strstr( grammar_rule , "." );
// get left handside
ptr_lhs = ptr + 2;
ptr = strstr( grammar_rule , " " );
*ptr = '\0';
insert_token( &nonterminal_start , &nonterminal_end , ptr_lhs ); // make nonterminal table
insert_token( &first_set_start , &first_set_end , ptr_lhs ); // make first set table with nonterminal
insert_token( &follow_set_start , &follow_set_end , ptr_lhs ); // make follow set table
insert_token( &predict_set_start , &predict_set_end , ptr_lhs ); // make predict set table
// get right handside
ptr = strstr( ++ptr , "¡÷" );
do
{
ptr = strstr( ++ptr , " " );
while(isspace(*ptr))
ptr++;
ptr_rhs = ptr;
ptr = strstr( ptr_rhs , "|" );
if ( ptr != NULL && *(ptr+1) != '|' )
{
for ( j = 1 ; isspace(*(ptr-j)) ; j++ )
*(ptr-j) = '\0';
}
insert_grammar( ++i , ptr_lhs , ptr_rhs );
} while ( ptr != NULL && *(ptr+1) != '|' );
}
// remove nonterminal in termainal table
T_ptr = nonterminal_start;
i = 0;
while ( T_ptr != NULL )
{
T_tmp = search_token( terminal_start , T_ptr->string );
delete_token( &terminal_start , T_tmp );
T_ptr = T_ptr->next;
i++;
}
num_of_nonterm = i;
for ( T_ptr = terminal_start , i =0 ; T_ptr != NULL ; T_ptr = T_ptr->next , i++ )
{
insert_token( &first_set_start , &first_set_end , T_ptr->string ); // make first set table
}
num_of_term = ++i;
fill_frist_set();
fill_follow_set();
i = 0;
view = fopen("state.txt","w");
//view = stdout;
out = fopen("go_to_table.csv","w");
build_CFSM();
// build goto table
parser_table = (PARSER**) malloc( sizeof(PARSER) * state_num );
for( i = 0 ; i < state_num ; i++ )
{
parser_table[i] = (PARSER*) malloc( sizeof(PARSER) * ( num_of_term + num_of_nonterm ));
for( j = 0 ; j < num_of_term + num_of_nonterm ; j++ )
{
parser_table[i][j].go_to = go_to_state(i,j+1);
if( j+1 != make_id("$") )
parser_table[i][j].action = SHIFT;
else
parser_table[i][j].action = ACCEPT;
if( parser_table[i][j].go_to == 0 )
parser_table[i][j].action = ERROR;
}
}
// comput lalr lookahead
build_LALR_lookahead();
fprintf(out,"\t,");
for( j = 0 ; j < num_of_term + num_of_nonterm ; j++ )
{
if( j+1 != make_id(",") )
fprintf(out," %s,",idtostr(j+1));
else
fprintf(out," ' ,");
}
fprintf( out ,"\n");
// build action table
for( i = 0 , state_ptr = state_start ; i < state_num ; i++ , state_ptr = state_ptr->next )
{
fprintf(out,"state%d,",i);
for( j = 0 ; j < num_of_term + num_of_nonterm ; j++ )
{
for( config_ptr = state_ptr->config_set ; config_ptr != NULL ; config_ptr = config_ptr->set_next )
{
if( config_ptr->dot == NULL && search_set( config_ptr->lookahead , idtostr(j+1) ) == TRUE )
{
if(parser_table[i][j].go_to == 0)
{
//printf("hit\n");
parser_table[i][j].go_to = config_ptr->rule->rule;
parser_table[i][j].action = REDUCE;
}
//fprintf(out,"R%02d,",parser_table[i][j].go_to);
}
}
if(parser_table[i][j].go_to > 0)
{
if( parser_table[i][j].action == SHIFT )
fprintf( out , "S%02d,",parser_table[i][j].go_to);
else
fprintf( out , "R%02d,",parser_table[i][j].go_to);
}
else
fprintf( out , ",");
}
fprintf( out ,"\n");
}
fclose(out);
//printf( "%d\n", go_to_state(4,5) );
for ( i = 0 ; i < state_num ; i++ )
{
view_state(i);
fprintf(view,"\n");
//getch();
//system("cls");
}
shift_reduce_driver( TreeView1 );
free_token(&terminal_start);
free_token(&nonterminal_start);
free_grammar();
free_state(&state_start);
//free_config(&config_start);
//system("pause");
return 0;
}
