/**
* This is the main function for parsing/code generation.
*
* @param input_file the raw token file to read from (all numbers and spaces)
*/
int pl0_parse(FILE *input_file, int a_flag) {
token_type token = nulsym;
int error_code = 0;
token = get_token(input_file);
error_code = block(input_file, &token);
if(!error_code) {
if(token != periodsym) {
error_code = 9;
} else {
// return 0; in main()
error_code = emit(OPR, 0, OPR_RET);
if(error_code)
return error_code;
}
}
if(!error_code && a_flag) {
printf("%s\n\n", get_parse_error(error_code));
print_code(stdout);
print_code_pretty(stdout);
printf("\n");
}
return error_code;
}
amort_sched_ptr amort_opt(
amort_sched_ptr amortsched,
void *parse_env)
{
char buffer[200], *errp;
unsigned long ii;
unsigned prec = amortsched->prec;
var_store value;
numeric_ptr nval;
struct tm *times_E,
*times_I;
/* print amortization options */
times_E = (struct tm *)calloc(1, sizeof(struct tm));
ii = amortsched->Eff_Date_jdn;
times_E->tm_mday = amortsched->day_E;
times_E->tm_mon = amortsched->month_E - 1;
times_E->tm_year = amortsched->year_E - 1900;
times_E->tm_wday = (ii + 1) % 7;
times_E->tm_yday = amortsched->yday_E;
times_I = (struct tm *)calloc(1, sizeof(struct tm));
ii = amortsched->Init_Date_jdn;
times_I->tm_mday = amortsched->day_I;
times_I->tm_mon = amortsched->month_I - 1;
times_I->tm_year = amortsched->year_I - 1900;
times_I->tm_wday = (ii + 1) % 7;
times_I->tm_yday = amortsched->yday_I;
printf("\n******************************");
qof_strftime(buffer, (size_t)50, "%c", times_E);
printf("\nEffective Date: %s\n", buffer);
qof_strftime(buffer, (size_t)50, "%c", times_I);
printf("Initial Payment Date: %s\n", buffer);
free(times_E);
free(times_I);
printf("The Original Present Value (pv) is: %.*f\n", (int)prec, amortsched->pv);
printf("The Original Periodic Payment (pmt) is: %.*f\n", (int)prec, amortsched->pmt);
printf("The Original Future Value (fv) is: %.*f\n", (int)prec, amortsched->fv);
printf("The Delayed Present Value (pve) is: %.*f\n", (int)prec, amortsched->pve);
printf("The New Periodic Payment (pmt) for pve is: %.*f\n\n", (int)prec, amortsched->new_pmt);
printf("The amortization options are:\n");
printf("1 -- Amortize with Original Amount and Constant Payment to Principal: %.*f\n", (int) prec, amortsched->cpmt1);
printf(" and final payment: %.*f\n", (int)prec, amortsched->final_pmt_opt_1);
printf("2 -- Amortize with Delayed Amount and Constant Payment to Principal: %.*f\n", (int)prec, amortsched->cpmt2);
printf(" and final payment: %.*f\n", (int)prec, amortsched->final_pmt_opt_2);
printf("3 -- Amortize with Original Transaction Values\n");
printf(" and final payment: %.*f\n", (int)prec, amortsched->final_pmt_opt_3);
printf("4 -- Amortize with Delayed Amount, Original Periodic Payment\n");
printf(" and final payment: %.*f\n", (int)prec, amortsched->final_pmt_opt_4);
printf("5 -- Amortize with Delayed Amount, New Periodic Payment\n");
printf(" and final payment: %.*f\n", (int)prec, amortsched->final_pmt_opt_5);
if ( amortsched->new_n )
{
printf("6 -- Amortize with Original Amount, Original Periodic Payment,\n");
printf(" new number of total payments (n): %u\n", amortsched->new_n);
printf(" and final payment: %.*f\n", (int)prec, amortsched->final_pmt_opt_6);
} /* endif */
printf("Enter choice 1, 2, 3, 4, 5 or 6: ");
fgets(buffer, 190, stdin);
amortsched->option = buffer[0] - '0';
printf("Amortization Schedule:\n");
printf("y -- Yearly Summary\n");
printf("p -- Periodic Payment\n");
if ( amortsched->option < 3 )
{
printf("Enter Choice y or p: ");
}
else
{
printf("f -- Fixed Advanced Payment\n");
printf("a -- Variable Advanced Payment\n");
printf("Enter Choice y, p, f or a: ");
} /* endif */
fgets(buffer, 190, stdin);
amortsched->summary = buffer[0];
if ( amortsched->summary == 'f' )
{
if ( amortsched->fixed_pmt != 0.0 )
{
printf("Current Fixed Prepayment: %.*f\nChange Fixed Prepayment? (y/n): ", (int)prec, amortsched->fixed_pmt);
fgets(buffer, 190, stdin);
}
else
{
buffer[0] = 'y';
} /* endif */
if ( buffer[0] == 'y' )
{
printf("Enter Fixed Prepayment Amount: ");
fgets(buffer, 190, stdin);
if ( (errp = parse_string(&value, buffer, parse_env)) == NULL )
{
nval = (numeric_ptr)(value.value);
switch ( nval->type )
{
case INT_TYPE:
amortsched->fixed_pmt = (double)(nval->value.int_value);
break;
case DBL_TYPE:
amortsched->fixed_pmt = nval->value.dbl_value;
break;
} /* endswitch */
if ( !value.variable_name ) free_numeric(value.value);
}
else
{
parse_error(get_parse_error(parse_env), buffer, errp);
} /* endif */
} /* endif */
} /* endif */
return amortsched;
} /* amort_opt */
int main(int argc, char **argv, char **env)
{
char buffer[200], *errp;
size_t sbuf;
size_t retcnt;
var_store value;
var_store_ptr value_list;
numeric_ptr nval;
unsigned compute,
jj,
yrE,
monthE,
dayE,
yrI,
monthI,
dayI;
struct tm *times_E,
*times_I;
void *parse_env;
amort_sched amortsched;
financial_info fininfo;
/* check dynamic storage allocation
*/
/* mtrace(); */
set_default(&fininfo);
set_fin_vars();
parse_env = init_parser(predefined_fin_vars,
'.',
',',
trans_numeric,
numeric_ops,
negate_numeric,
free_numeric);
npp = fininfo.npp;
ir = fininfo.ir;
pv = fininfo.pv;
pmt = fininfo.pmt;
fv = fininfo.fv;
CF = fininfo.CF;
PF = fininfo.PF;
disc = fininfo.disc;
bep = fininfo.bep;
fininfo.prec = prec;
printf("Single Letter Commands:\na -- amortization schedule\nc -- compute financial variable\nd -- delete variable\ns -- output financial variable status\nq -- quit\nv -- list defined variables\n");
for (;;)
{
printf("<>");
retcnt = strlen(fgets(buffer, 190, stdin));
if ( (retcnt == 2) && (strchr(sl_commands, buffer[0]) != NULL) )
{
if ( buffer[0] == 'q' ) break;
amortsched.prec = fininfo.prec;
switch ( buffer[0] )
{
case 'a':
if ( amortsched.Eff_Date_jdn && amortsched.Init_Date_jdn )
{
printf("Current Effective year: %u\nCurrent Effective month: %u\nCurrent Effective day: %u\nCurrent Initial year: %u\nCurrent Initial month: %u\nCurrent Initial day %u\n",
amortsched.year_E,
amortsched.month_E,
amortsched.day_E,
amortsched.year_I,
amortsched.month_I,
amortsched.day_I);
printf("Change dates ? (y/n) ");
fgets(buffer, 190, stdin);
}
else
{
buffer[0] = 'y';
} /* endif */
if ( buffer[0] == 'y' )
{
printf("Enter Effective Date - year: ");
fgets(buffer, 190, stdin);
if ( (errp = parse_string(&value, buffer, parse_env)) == NULL )
{
nval = (numeric_ptr)(value.value);
switch ( nval->type )
{
case INT_TYPE:
amortsched.year_E = nval->value.int_value;
break;
case DBL_TYPE:
amortsched.year_E = (unsigned)(nval->value.dbl_value);
break;
} /* endswitch */
if ( !value.variable_name ) free_numeric(value.value);
}
else
{
parse_error(get_parse_error(parse_env), buffer, errp);
} /* endif */
printf("Enter Effective Date - month: ");
fgets(buffer, 190, stdin);
if ( (errp = parse_string(&value, buffer, parse_env)) == NULL )
{
nval = (numeric_ptr)(value.value);
switch ( nval->type )
{
case INT_TYPE:
amortsched.month_E = nval->value.int_value;
break;
case DBL_TYPE:
amortsched.month_E = (unsigned)(nval->value.dbl_value);
break;
} /* endswitch */
if ( !value.variable_name ) free_numeric(value.value);
}
else
{
parse_error(get_parse_error(parse_env), buffer, errp);
} /* endif */
printf("Enter Effective Date - day: ");
fgets(buffer, 190, stdin);
if ( (errp = parse_string(&value, buffer, parse_env)) == NULL )
{
nval = (numeric_ptr)(value.value);
switch ( nval->type )
{
case INT_TYPE:
amortsched.day_E = nval->value.int_value;
break;
case DBL_TYPE:
amortsched.day_E = (unsigned)(nval->value.dbl_value);
break;
} /* endswitch */
if ( !value.variable_name ) free_numeric(value.value);
}
else
{
parse_error(get_parse_error(parse_env), buffer, errp);
} /* endif */
printf("Enter Initial Payment Date - year: ");
fgets(buffer, 190, stdin);
if ( (errp = parse_string(&value, buffer, parse_env)) == NULL )
{
nval = (numeric_ptr)(value.value);
switch ( nval->type )
{
case INT_TYPE:
amortsched.year_I = nval->value.int_value;
break;
case DBL_TYPE:
amortsched.year_I = (unsigned)(nval->value.dbl_value);
break;
} /* endswitch */
if ( !value.variable_name ) free_numeric(value.value);
}
else
{
parse_error(get_parse_error(parse_env), buffer, errp);
} /* endif */
printf("Enter Initial Payment Date - month: ");
fgets(buffer, 190, stdin);
if ( (errp = parse_string(&value, buffer, parse_env)) == NULL )
{
nval = (numeric_ptr)(value.value);
switch ( nval->type )
{
case INT_TYPE:
amortsched.month_I = nval->value.int_value;
break;
case DBL_TYPE:
amortsched.month_I = (unsigned)(nval->value.dbl_value);
break;
} /* endswitch */
if ( !value.variable_name ) free_numeric(value.value);
}
else
{
parse_error(get_parse_error(parse_env), buffer, errp);
} /* endif */
printf("Enter Initial Payment Date - day: ");
fgets(buffer, 190, stdin);
if ( (errp = parse_string(&value, buffer, parse_env)) == NULL )
{
nval = (numeric_ptr)(value.value);
switch ( nval->type )
{
case INT_TYPE:
amortsched.day_I = nval->value.int_value;
break;
case DBL_TYPE:
amortsched.day_I = (unsigned)(nval->value.dbl_value);
break;
} /* endswitch */
if ( !value.variable_name ) free_numeric(value.value);
}
else
{
parse_error(get_parse_error(parse_env), buffer, errp);
} /* endif */
} /* endif */
amortsched.n = npp;
amortsched.nint = ir;
amortsched.pv = pv;
amortsched.pmt = pmt;
amortsched.fv = fv;
amortsched.CF = CF;
amortsched.PF = PF;
amortsched.disc = disc;
amortsched.bep = bep;
Amortization_init(&amortsched);
amort_opt(&amortsched, parse_env);
(void)Amortization_Schedule(&amortsched);
prt_amortization_schedule(&amortsched, stdout);
Amortization_free(&amortsched);
break;
case 'c':
printf("Compute:\nn - 1\ni - 2\npv - 3\npmt - 4\nfv - 5\n1, 2, 3, 4 or 5: ");
retcnt = strlen(fgets(buffer, 190, stdin));
compute = buffer[0] - '0';
switch ( compute-- )
{
case 0: /* all values specified nothing to compute */
break;
case 1: /* compute number of periods, npp */
printf("Computing numbor of periods\n");
npp = fi_calc_num_payments(&fininfo);
printf("Number of Periods: %u\n", npp);
nval = (numeric_ptr)(predefined_fin_vars[compute].value);
nval->value.int_value = npp;
break;
case 2: /* compute interest, ir */
printf("Computing interest rate\n");
ir = fi_calc_interest(&fininfo);
printf("Nominal Interest Rate: %.*f\n", prec, ir);
nval = (numeric_ptr)(predefined_fin_vars[compute].value);
nval->value.dbl_value = ir;
break;
case 3: /* compute present value, pv */
printf("Computing Present Value\n");
pv = fi_calc_present_value(&fininfo);
printf("Present Value: %.*f\n", prec, pv);
nval = (numeric_ptr)(predefined_fin_vars[compute].value);
nval->value.dbl_value = pv;
break;
case 4: /* compute periodic payment, pmt */
printf("Computing periodic payment\n");
pmt = fi_calc_payment(&fininfo);
printf("Periodic Payment: %.*f\n", prec, pmt);
nval = (numeric_ptr)(predefined_fin_vars[compute].value);
nval->value.dbl_value = pmt;
break;
case 5: /* compute future value, fv */
printf("Computing Future Value\n");
fv = fi_calc_future_value(&fininfo);
printf("Future Value: %.*f\n", prec, fv);
nval = (numeric_ptr)(predefined_fin_vars[compute].value);
nval->value.dbl_value = fv;
break;
default: /* whoops */
break;
} /* endswitch */
break;
case 'd':
printf("Enter name of variable to delete: ");
retcnt = strlen(fgets(buffer, 190, stdin));
buffer[retcnt - 1] = EOS;
if ( !delete_var(buffer, parse_env) )
{
printf("Unable to delete specified variable\n");
} /* endif */
break;
case 's':
prt_status(&fininfo,
stdout);
break;
case 'v':
for ( value_list = parser_get_vars(parse_env) ; value_list ; value_list = value_list->next_var )
{
printf("%s: ", value_list->variable_name);
nval = (numeric_ptr)(value_list->value);
switch ( nval->type )
{
case INT_TYPE:
printf("%i\n", nval->value.int_value);
break;
case DBL_TYPE:
printf("%.*f\n", prec, nval->value.dbl_value);
break;
} /* endswitch */
} /* endfor */
break;
} /* endswitch */
}
else if ( retcnt > 1 )
{
buffer[retcnt - 1] = EOS;
if ( (errp = parse_string(&value, buffer, parse_env)) == NULL )
{
if ( value.variable_name ) printf("Variable: %s\n", value.variable_name);
nval = (numeric_ptr)(value.value);
switch ( nval->type )
{
case INT_TYPE:
printf("Evaluated Value: %i\n", nval->value.int_value);
break;
case DBL_TYPE:
printf("Evaluated Value: %.*f\n", prec, nval->value.dbl_value);
break;
} /* endswitch */
if ( !value.variable_name ) free_numeric(value.value);
chk_vars(predefined_fin_vars, fin_vars, fin_type, PREDEFINED_FIN_VARS);
fininfo.npp = npp;
fininfo.ir = ir;
fininfo.pv = pv;
fininfo.pmt = pmt;
fininfo.fv = fv;
fininfo.CF = CF;
fininfo.PF = PF;
fininfo.disc = disc;
fininfo.bep = bep;
}
else
{
parse_error(get_parse_error(parse_env), buffer, errp);
} /* endif */
} /* endif */
} /* endfor */
exit_parser(parse_env);
unset_fin_vars();
} /* main */
int main(int argc, char **argv) {
FILE *input_file = NULL;
int l_flag = 0, a_flag = 0, v_flag = 0; // output flags
if(argc > 1) {
int i;
for(i = 1; i < argc; i++) {
// last arg must be the input_file
if((i+1) == argc) {
input_file = fopen(argv[i], "r");
if(!input_file) {
printf("File %s not found.\n", argv[1]);
exit(EXIT_FAILURE);
}
} else {
if(argv[i][0] == '-') {
int j;
for(j = 1; j < strlen(argv[i]); j++) {
if(argv[i][j] == 'l') l_flag = 1;
else if(argv[i][j] == 'a') a_flag = 1;
else if(argv[i][j] == 'v') v_flag = 1;
else {
printf("Unknown option: %s\n", argv[i]);
exit(EXIT_FAILURE);
}
}
}
}
}
} else {
printf("Usage: pl0-compiler [-l] [-a] [-v] /path/to/input_file\n");
exit(EXIT_FAILURE);
}
FILE *lexeme_file = tmpfile();
pl0_lex(input_file, lexeme_file, l_flag);
fclose(input_file);
rewind(lexeme_file);
int error_code = pl0_parse(lexeme_file, a_flag);
fclose(lexeme_file);
if(error_code == 0) {
FILE *code_file = tmpfile();
print_code(code_file);
rewind(code_file);
if(v_flag) {
printf("Running in PM/0\n");
printf("===============\n\n");
}
error_code = pm0(code_file, v_flag);
if(v_flag) {
printf("\n===============\n\n");
}
if(!error_code) {
if(v_flag) {
printf("Finished without error.\n");
}
} else {
printf("Error number %d.\n", error_code);
}
fclose(code_file);
} else {
printf("Error number %d, %s\n", error_code, get_parse_error(error_code));
}
return EXIT_SUCCESS;
}
gboolean
gnc_exp_parser_parse_separate_vars (const char * expression,
gnc_numeric *value_p,
char **error_loc_p,
GHashTable *varHash )
{
parser_env_ptr pe;
var_store_ptr vars;
struct lconv *lc;
var_store result;
char * error_loc;
ParserNum *pnum;
if (expression == NULL)
return FALSE;
if (!parser_inited)
gnc_exp_parser_real_init ( (varHash == NULL) );
result.variable_name = NULL;
result.value = NULL;
result.next_var = NULL;
vars = make_predefined_variables ();
if ( varHash != NULL )
{
g_hash_table_foreach( varHash, make_predefined_vars_from_external_helper, &vars);
}
lc = gnc_localeconv ();
pe = init_parser (vars, lc->mon_decimal_point, lc->mon_thousands_sep,
trans_numeric, numeric_ops, negate_numeric, g_free,
func_op);
error_loc = parse_string (&result, expression, pe);
pnum = result.value;
if (error_loc == NULL)
{
if (gnc_numeric_check (pnum->value))
{
if (error_loc_p != NULL)
*error_loc_p = (char *) expression;
last_error = NUMERIC_ERROR;
}
else
{
if (pnum)
{
if (value_p)
*value_p = gnc_numeric_reduce (pnum->value);
if (!result.variable_name)
g_free (pnum);
}
if (error_loc_p != NULL)
*error_loc_p = NULL;
last_error = PARSER_NO_ERROR;
}
}
else
{
if (error_loc_p != NULL)
*error_loc_p = error_loc;
last_error = get_parse_error (pe);
}
if ( varHash != NULL )
{
var_store_ptr newVars;
gpointer maybeKey, maybeValue;
gnc_numeric *numericValue;
newVars = parser_get_vars( pe );
for ( ; newVars ; newVars = newVars->next_var )
{
pnum = newVars->value;
if ( g_hash_table_lookup_extended( varHash, newVars->variable_name,
&maybeKey, &maybeValue ) )
{
g_hash_table_remove( varHash, maybeKey );
g_free( maybeKey );
g_free( maybeValue );
}
numericValue = g_new0( gnc_numeric, 1 );
*numericValue = ((ParserNum*)newVars->value)->value;
// WTF?
// numericValue = NULL;
g_hash_table_insert( varHash,
g_strdup(newVars->variable_name),
numericValue );
}
}
else
{
update_variables (vars);
}
free_predefined_variables (vars);
exit_parser (pe);
return last_error == PARSER_NO_ERROR;
}