| version 1.3, 2000/01/17 19:55:56 |
version 1.18, 2018/04/05 06:05:44 |
|
|
| /* -*- mode: C; coding: euc-japan -*- */ |
/* -*- mode: C; coding: euc-japan -*- */ |
| /* $OpenXM: OpenXM/src/ox_toolkit/parse.c,v 1.2 1999/12/22 11:26:37 ohara Exp $ */ |
/* $OpenXM: OpenXM/src/ox_toolkit/parse.c,v 1.17 2015/08/27 03:03:34 ohara Exp $ */ |
| |
|
| /* |
/* |
| This module is a parser for OX/CMO expressions. |
This module is a parser for OX/CMO expressions. |
| Some commnets is written in Japanese by using the EUC-JP coded |
Some commnets are written in Japanese by using the EUC-JP coded |
| character set. |
character set. |
| */ |
*/ |
| |
|
| #include <stdio.h> |
#include <stdio.h> |
| #include <stdlib.h> |
#include <stdlib.h> |
| #include <string.h> |
#include <string.h> |
| #include <sys/param.h> |
|
| #include <setjmp.h> |
#include <setjmp.h> |
| #include "oxtag.h" |
#include <ctype.h> |
| #include "ox.h" |
#if !defined(_MSC_VER) |
| |
#include <sys/param.h> |
| |
#endif |
| |
|
| |
#include "ox_toolkit.h" |
| #include "parse.h" |
#include "parse.h" |
| |
|
| /* --- Parser --- */ |
/* --- Parser --- */ |
|
|
| static int pflag_cmo_addrev = 1; |
static int pflag_cmo_addrev = 1; |
| |
|
| /* definitions of local functions */ |
/* definitions of local functions */ |
| static int parse_error(char *s); |
static void init_parser(char *s); |
| static int parse_lf(); |
static cmo *parse(); |
| static int parse_right_parenthesis(); |
static void parse_error(char *s); |
| static int parse_left_parenthesis(); |
static void parse_right_parenthesis(); |
| static int parse_comma(); |
static void parse_left_parenthesis(); |
| static mpz_ptr parse_integer(); |
static void parse_comma(); |
| |
static mpz_ptr parse_mpz_integer(); |
| |
static int parse_integer(); |
| static char *parse_string(); |
static char *parse_string(); |
| static cmo *parse_cmo_null(); |
static cmo *parse_cmo_null(); |
| static cmo *parse_cmo_int32(); |
static cmo *parse_cmo_int32(); |
| Line 72 static int parse_sm(); |
|
| Line 77 static int parse_sm(); |
|
| static ox *parse_ox(); |
static ox *parse_ox(); |
| static ox *parse_ox_command(); |
static ox *parse_ox_command(); |
| static ox *parse_ox_data(); |
static ox *parse_ox_data(); |
| |
static void init_lex(char *s); |
| |
static int lex(); |
| |
|
| |
/* Parsing a Lisp-style expression of CMO. */ |
| |
cmo *ox_parse_lisp(char *s) |
| |
{ |
| |
return (s != NULL && strlen(s) > 0)? init_parser(s), parse(): NULL; |
| |
} |
| |
|
| static int is_token_cmo(int token) |
static int is_token_cmo(int token) |
| { |
{ |
| return (token >= MIN_T_CMO && token < MAX_T_CMO) || token == TOKEN(CMO_ERROR2); |
return (token >= MIN_T_CMO && token < MAX_T_CMO) || token == TOKEN(CMO_ERROR2); |
| Line 91 static int is_token_ox(int token) |
|
| Line 104 static int is_token_ox(int token) |
|
| static jmp_buf env_parse; |
static jmp_buf env_parse; |
| |
|
| /* This is a parsing fault. */ |
/* This is a parsing fault. */ |
| static int parse_error(char *s) |
static void parse_error(char *s) |
| { |
{ |
| fprintf(stderr, "syntax error: %s\n", s); |
ox_printf("syntax error: %s\n", s); |
| longjmp(env_parse, 1); |
longjmp(env_parse, 1); |
| } |
} |
| |
|
| int setflag_parse(int flag) |
static void setflag_parse(int flag) |
| { |
{ |
| pflag_cmo_addrev = flag; |
pflag_cmo_addrev = flag; |
| } |
} |
| |
|
| int init_parser(char *s) |
static void init_parser(char *s) |
| { |
{ |
| setflag_parse(PFLAG_ADDREV); |
setflag_parse(PFLAG_ADDREV); |
| init_lex(s); |
init_lex(s); |
| } |
} |
| |
|
| cmo *parse() |
static cmo *parse() |
| { |
{ |
| cmo *m; |
cmo *m = NULL; |
| |
if (setjmp(env_parse) == 0) { |
| if (setjmp(env_parse) != 0) { |
|
| return NULL; |
|
| /* This is an error. */ |
|
| } |
|
| |
|
| token = lex(); |
|
| if (token == '(') { |
|
| token = lex(); |
token = lex(); |
| if (is_token_cmo(token)) { |
if (token == '(') { |
| m = parse_cmo(); |
token = lex(); |
| }else if(is_token_ox(token)) { |
if (is_token_cmo(token)) { |
| m = parse_ox(); |
m = parse_cmo(); |
| }else { |
}else if(is_token_ox(token)) { |
| parse_error("invalid symbol."); |
m = parse_ox(); |
| |
}else { |
| |
parse_error("invalid symbol."); |
| |
} |
| } |
} |
| return m; |
|
| } |
} |
| return NULL; |
return m; |
| } |
} |
| |
|
| static ox *parse_ox() |
static ox *parse_ox() |
| Line 248 static cmo *parse_cmo() |
|
| Line 256 static cmo *parse_cmo() |
|
| return m; |
return m; |
| } |
} |
| |
|
| static int parse_left_parenthesis() |
static void parse_left_parenthesis() |
| { |
{ |
| if (token != '(') { |
if (token != '(') { |
| parse_error("no left parenthesis."); |
parse_error("no left parenthesis."); |
| Line 256 static int parse_left_parenthesis() |
|
| Line 264 static int parse_left_parenthesis() |
|
| token = lex(); |
token = lex(); |
| } |
} |
| |
|
| static int parse_right_parenthesis() |
static void parse_right_parenthesis() |
| { |
{ |
| if (token != ')') { |
if (token != ')') { |
| parse_error("no right parenthesis."); |
parse_error("no right parenthesis."); |
| Line 264 static int parse_right_parenthesis() |
|
| Line 272 static int parse_right_parenthesis() |
|
| token = lex(); |
token = lex(); |
| } |
} |
| |
|
| static int parse_comma() |
static void parse_comma() |
| { |
{ |
| if (token != ',') { |
if (token != ',') { |
| parse_error("no comma."); |
parse_error("no comma."); |
| Line 274 static int parse_comma() |
|
| Line 282 static int parse_comma() |
|
| |
|
| static mpz_ptr new_mpz_set_str(char *s) |
static mpz_ptr new_mpz_set_str(char *s) |
| { |
{ |
| mpz_ptr z = malloc(sizeof(mpz_t)); |
mpz_ptr z = MALLOC(sizeof(mpz_t)); |
| mpz_init_set_str(z, s, 10); |
mpz_init_set_str(z, s, 10); |
| return z; |
return z; |
| } |
} |
| |
|
| static mpz_ptr my_mpz_neg(mpz_ptr src) |
static mpz_ptr my_mpz_neg(mpz_ptr src) |
| { |
{ |
| mpz_ptr z = malloc(sizeof(mpz_t)); |
mpz_ptr z = MALLOC(sizeof(mpz_t)); |
| mpz_init(z); |
mpz_init(z); |
| mpz_neg(z, src); |
mpz_neg(z, src); |
| #ifndef DEBUG |
return z; |
| free(src); |
|
| #endif |
|
| return z; |
|
| } |
} |
| |
|
| static mpz_ptr parse_integer() |
static mpz_ptr parse_mpz_integer() |
| { |
{ |
| int sign = 1; |
int sign = 1; |
| mpz_ptr val; |
mpz_ptr val; |
| |
|
| if (token == '+') { |
if (token == '+') { |
| token = lex(); |
token = lex(); |
| }else if (token == '-') { |
}else if (token == '-') { |
| sign = -1; |
sign = -1; |
| token = lex(); |
token = lex(); |
| } |
} |
| |
|
| if (token != T_DIGIT) { |
if (token != T_DIGIT) { |
| parse_error("no integer."); |
parse_error("no integer."); |
| } |
} |
| val = new_mpz_set_str(yylval.sym); |
val = new_mpz_set_str(yylval.sym); |
| if (sign == -1) { |
if (sign == -1) { |
| val = my_mpz_neg(val); |
val = my_mpz_neg(val); |
| } |
} |
| #ifndef DEBUG |
|
| free(yylval.sym); |
|
| #endif |
|
| token = lex(); |
token = lex(); |
| return val; |
return val; |
| } |
} |
| |
|
| |
static int parse_integer() |
| |
{ |
| |
#if 0 |
| |
return mpz_get_si(parse_mpz_integer()); |
| |
#else |
| |
int sign = 1; |
| |
int val; |
| |
|
| |
if (token == '+') { |
| |
token = lex(); |
| |
}else if (token == '-') { |
| |
sign = -1; |
| |
token = lex(); |
| |
} |
| |
|
| |
if (token != T_DIGIT) { |
| |
parse_error("no integer."); |
| |
} |
| |
val = sign*atoi(yylval.sym); |
| |
token = lex(); |
| |
return val; |
| |
#endif |
| |
} |
| |
|
| static char *parse_string() |
static char *parse_string() |
| { |
{ |
| char *s; |
char *s; |
| Line 335 static cmo *parse_cmo_null() |
|
| Line 361 static cmo *parse_cmo_null() |
|
| |
|
| static cmo *parse_cmo_int32() |
static cmo *parse_cmo_int32() |
| { |
{ |
| mpz_ptr z; |
int z; |
| |
|
| parse_comma(); |
parse_comma(); |
| z = parse_integer(); |
z = parse_integer(); |
| parse_right_parenthesis(); |
parse_right_parenthesis(); |
| return (cmo *)new_cmo_int32(mpz_get_si(z)); |
return (cmo *)new_cmo_int32(z); |
| } |
} |
| |
|
| static cmo *parse_cmo_string() |
static cmo *parse_cmo_string() |
| Line 374 static cmo *parse_cmo_mathcap() |
|
| Line 400 static cmo *parse_cmo_mathcap() |
|
| |
|
| static cmo *parse_cmo_list() |
static cmo *parse_cmo_list() |
| { |
{ |
| int length=0; |
|
| int i=0; |
|
| cmo_list *m = new_cmo_list(); |
cmo_list *m = new_cmo_list(); |
| cmo *newcmo; |
cmo *newcmo; |
| |
|
| Line 392 static cmo *parse_cmo_list() |
|
| Line 416 static cmo *parse_cmo_list() |
|
| while(token == '(') { |
while(token == '(') { |
| parse_left_parenthesis(); |
parse_left_parenthesis(); |
| newcmo = parse_cmo(); |
newcmo = parse_cmo(); |
| append_cmo_list(m, newcmo); |
list_append(m, newcmo); |
| if (token != ',') { |
if (token != ',') { |
| break; |
break; |
| } |
} |
| Line 408 static cmo *parse_cmo_list() |
|
| Line 432 static cmo *parse_cmo_list() |
|
| static cmo *parse_cmo_monomial32() |
static cmo *parse_cmo_monomial32() |
| { |
{ |
| int size; |
int size; |
| int *exps; |
|
| int i; |
int i; |
| cmo_monomial32 *m; |
cmo_monomial32 *m; |
| int tag; |
int tag; |
| |
|
| parse_comma(); |
parse_comma(); |
| size = mpz_get_si(parse_integer()); |
size = parse_integer(); |
| if (size < 0) { |
if (size < 0) { |
| parse_error("invalid value."); |
parse_error("invalid value."); |
| } |
} |
| Line 422 static cmo *parse_cmo_monomial32() |
|
| Line 445 static cmo *parse_cmo_monomial32() |
|
| |
|
| for(i=0; i<size; i++) { |
for(i=0; i<size; i++) { |
| parse_comma(); |
parse_comma(); |
| m->exps[i] = mpz_get_si(parse_integer()); |
m->exps[i] = parse_integer(); |
| } |
} |
| parse_comma(); |
parse_comma(); |
| parse_left_parenthesis(); |
parse_left_parenthesis(); |
| Line 444 static cmo *parse_cmo_zz() |
|
| Line 467 static cmo *parse_cmo_zz() |
|
| int length; |
int length; |
| int i=0; |
int i=0; |
| cmo_zz *m= NULL; |
cmo_zz *m= NULL; |
| mpz_ptr z; |
mpz_ptr z; |
| |
|
| parse_comma(); |
parse_comma(); |
| z = parse_integer(); |
z = parse_mpz_integer(); |
| if (token == ',') { |
if (token == ',') { |
| length = mpz_get_si(z); |
length = mpz_get_si(z); |
| m = new_cmo_zz_size(length); |
m = new_cmo_zz_size(length); |
| |
|
| length = abs(length); |
length = abs(length); |
| for(i=0; i<length; i++) { |
for(i=0; i<length; i++) { |
| parse_comma(); |
parse_comma(); |
| m->mpz->_mp_d[i] = mpz_get_si(parse_integer()); |
m->mpz->_mp_d[i] = parse_integer(); |
| } |
} |
| }else if (pflag_cmo_addrev) { |
}else if (pflag_cmo_addrev) { |
| m = new_cmo_zz_set_mpz(z); |
m = new_cmo_zz_set_mpz(z); |
| Line 497 static cmo *parse_cmo_ring_by_name() |
|
| Line 520 static cmo *parse_cmo_ring_by_name() |
|
| |
|
| static cmo *parse_cmo_distributed_polynomial() |
static cmo *parse_cmo_distributed_polynomial() |
| { |
{ |
| int length=0; |
|
| int i=0; |
|
| cmo_distributed_polynomial *m = new_cmo_distributed_polynomial(); |
cmo_distributed_polynomial *m = new_cmo_distributed_polynomial(); |
| cmo *ob; |
cmo *ob; |
| int tag; |
int tag; |
| Line 530 static cmo *parse_cmo_distributed_polynomial() |
|
| Line 551 static cmo *parse_cmo_distributed_polynomial() |
|
| if (ob->tag != CMO_MONOMIAL32 && ob->tag != CMO_ZERO) { |
if (ob->tag != CMO_MONOMIAL32 && ob->tag != CMO_ZERO) { |
| parse_error("invalid cmo."); |
parse_error("invalid cmo."); |
| } |
} |
| append_cmo_list((cmo_list *)m, ob); |
list_append((cmo_list *)m, ob); |
| if (token != ',') { |
if (token != ',') { |
| break; |
break; |
| } |
} |
| Line 574 static int c = ' '; |
|
| Line 595 static int c = ' '; |
|
| static char *mygetc_ptr; |
static char *mygetc_ptr; |
| static int mygetc() |
static int mygetc() |
| { |
{ |
| return *mygetc_ptr++; |
return *mygetc_ptr++; |
| } |
} |
| |
|
| int init_lex(char *s) |
static void init_lex(char *s) |
| { |
{ |
| |
c=' '; |
| mygetc_ptr=s; |
mygetc_ptr=s; |
| } |
} |
| |
|
| #define SIZE_BUFFER 8192 |
#define SIZE_BUFFER 8192 |
| static char buffer[SIZE_BUFFER]; |
static char buffer[SIZE_BUFFER]; |
| |
|
| static char *mkstr(char *src) |
static char *new_string(char *s) |
| { |
{ |
| int len; |
char *t = MALLOC(strlen(s)+1); |
| char *s; |
strcpy(t, s); |
| len = strlen(src); |
return t; |
| s = malloc(len+1); |
|
| strcpy(s, src); |
|
| return s; |
|
| } |
} |
| |
|
| /* no measure for buffer overflow */ |
/* no measure for buffer overflow */ |
| static char *lex_digit() |
static char *lex_digit() |
| { |
{ |
| static char buff[SIZE_BUFFER]; |
static char buff[SIZE_BUFFER]; |
| int i; |
int i; |
| char *s; |
|
| int len; |
|
| |
|
| for(i=0; i<SIZE_BUFFER-1; i++) { |
for(i=0; i<SIZE_BUFFER-1; i++) { |
| if(isdigit(c)) { |
if(isdigit(c)) { |
| buff[i] = c; |
buff[i] = c; |
| }else { |
}else { |
| buff[i] = '\0'; |
buff[i] = '\0'; |
| return mkstr(buff); |
return new_string(buff); |
| } |
} |
| c = mygetc(); |
c = mygetc(); |
| } |
} |
| buff[SIZE_BUFFER-1] = '\0'; |
buff[SIZE_BUFFER-1] = '\0'; |
| return mkstr(buff); |
return new_string(buff); |
| } |
} |
| |
|
| #define MK_KEY_CMO(x) { #x , x , TOKEN(x) , IS_CMO } |
#define MK_KEY_CMO(x) { #x , x , TOKEN(x) , IS_CMO } |
| #define MK_KEY_SM(x) { #x , x , TOKEN(SM) , IS_SM } |
#define MK_KEY_SM(x) { #x , x , TOKEN(SM) , IS_SM } |
| #define MK_KEY_OX(x) { #x , x , TOKEN(x) , IS_OX } |
#define MK_KEY_OX(x) { #x , x , TOKEN(x) , IS_OX } |
| |
|
| static symbol symbol_list[] = { |
static struct symbol symbol_list[] = { |
| MK_KEY_CMO(CMO_NULL), |
MK_KEY_CMO(CMO_NULL), |
| MK_KEY_CMO(CMO_INT32), |
MK_KEY_CMO(CMO_INT32), |
| MK_KEY_CMO(CMO_DATUM), |
MK_KEY_CMO(CMO_DATUM), |
| Line 630 static symbol symbol_list[] = { |
|
| Line 647 static symbol symbol_list[] = { |
|
| MK_KEY_CMO(CMO_MONOMIAL32), |
MK_KEY_CMO(CMO_MONOMIAL32), |
| MK_KEY_CMO(CMO_ZZ), |
MK_KEY_CMO(CMO_ZZ), |
| MK_KEY_CMO(CMO_ZERO), |
MK_KEY_CMO(CMO_ZERO), |
| |
MK_KEY_CMO(CMO_TREE), |
| MK_KEY_CMO(CMO_DMS_GENERIC), |
MK_KEY_CMO(CMO_DMS_GENERIC), |
| MK_KEY_CMO(CMO_RING_BY_NAME), |
MK_KEY_CMO(CMO_RING_BY_NAME), |
| MK_KEY_CMO(CMO_INDETERMINATE), |
MK_KEY_CMO(CMO_INDETERMINATE), |
| MK_KEY_CMO(CMO_DISTRIBUTED_POLYNOMIAL), |
MK_KEY_CMO(CMO_DISTRIBUTED_POLYNOMIAL), |
| |
MK_KEY_CMO(CMO_POLYNOMIAL_IN_ONE_VARIABLE), |
| |
MK_KEY_CMO(CMO_RECURSIVE_POLYNOMIAL), |
| MK_KEY_CMO(CMO_ERROR2), |
MK_KEY_CMO(CMO_ERROR2), |
| MK_KEY_SM(SM_popCMO), |
MK_KEY_SM(SM_popCMO), |
| MK_KEY_SM(SM_popString), |
MK_KEY_SM(SM_popString), |
| Line 650 static symbol symbol_list[] = { |
|
| Line 670 static symbol symbol_list[] = { |
|
| {NULL, 0, 0, 0} /* a gate keeper */ |
{NULL, 0, 0, 0} /* a gate keeper */ |
| }; |
}; |
| |
|
| symbol* lookup_by_symbol(char *key) |
symbol_t lookup_by_symbol(char *key) |
| { |
{ |
| symbol *symp; |
symbol_t symp; |
| for(symp = symbol_list; symp->key != NULL; symp++) { |
for(symp = symbol_list; symp->key != NULL; symp++) { |
| if (strcmp(key, symp->key)==0) { |
if (strcmp(key, symp->key)==0) { |
| return symp; |
return symp; |
| Line 661 symbol* lookup_by_symbol(char *key) |
|
| Line 681 symbol* lookup_by_symbol(char *key) |
|
| return NULL; |
return NULL; |
| } |
} |
| |
|
| symbol* lookup_by_token(int tok) |
symbol_t lookup_by_token(int tok) |
| { |
{ |
| symbol *symp; |
symbol_t symp; |
| for(symp = symbol_list; symp->key != NULL; symp++) { |
for(symp = symbol_list; symp->key != NULL; symp++) { |
| if (tok == symp->token) { |
if (tok == symp->token) { |
| return symp; |
return symp; |
| Line 672 symbol* lookup_by_token(int tok) |
|
| Line 692 symbol* lookup_by_token(int tok) |
|
| return NULL; |
return NULL; |
| } |
} |
| |
|
| symbol* lookup_by_tag(int tag) |
symbol_t lookup_by_tag(int tag) |
| { |
{ |
| symbol *symp; |
symbol_t symp; |
| for(symp = symbol_list; symp->key != NULL; symp++) { |
for(symp = symbol_list; symp->key != NULL; symp++) { |
| if (tag == symp->tag) { |
if (tag == symp->tag) { |
| return symp; |
return symp; |
| Line 683 symbol* lookup_by_tag(int tag) |
|
| Line 703 symbol* lookup_by_tag(int tag) |
|
| return NULL; |
return NULL; |
| } |
} |
| |
|
| symbol* lookup(int i) |
symbol_t lookup(int i) |
| { |
{ |
| return &symbol_list[i]; |
return &symbol_list[i]; |
| } |
} |
| |
|
| |
char *get_symbol_by_tag(int tag) |
| |
{ |
| |
symbol_t symp = lookup_by_tag(tag); |
| |
return (symp != NULL)? symp->key: NULL; |
| |
} |
| |
|
| /* no measure for buffer overflow */ |
/* no measure for buffer overflow */ |
| static char *lex_quoted_string() |
static char *lex_quoted_string() |
| { |
{ |
| Line 699 static char *lex_quoted_string() |
|
| Line 725 static char *lex_quoted_string() |
|
| if(c == '"') { |
if(c == '"') { |
| c = mygetc(); |
c = mygetc(); |
| buffer[i]='\0'; |
buffer[i]='\0'; |
| return mkstr(buffer); |
return new_string(buffer); |
| }else if (c == '\\') { |
}else if (c == '\\') { |
| c0 = c; |
c0 = c; |
| c = mygetc(); |
c = mygetc(); |
| Line 709 static char *lex_quoted_string() |
|
| Line 735 static char *lex_quoted_string() |
|
| } |
} |
| buffer[i]=c; |
buffer[i]=c; |
| } |
} |
| fprintf(stderr, "buffer overflow!\n"); |
ox_printf("buffer overflow!\n"); |
| exit(1); |
exit(1); |
| /* return NULL; */ |
/* return NULL; */ |
| } |
} |
| |
|
| static int token_of_symbol(char *key) |
static int token_of_symbol(char *key) |
| { |
{ |
| symbol *symp = lookup_by_symbol(key); |
symbol_t symp = lookup_by_symbol(key); |
| if (symp != NULL) { |
if (symp != NULL) { |
| yylval.d = symp->tag; |
yylval.d = symp->tag; |
| return symp->token; |
return symp->token; |
| } |
} |
| #if DEBUG |
ox_printf("lex error:: \"%s\" is unknown symbol.\n", key); |
| fprintf(stderr, "lex error:: \"%s\" is unknown symbol.\n", key); |
|
| #endif |
|
| return 0; |
return 0; |
| } |
} |
| |
|
| Line 738 static int lex_symbol() |
|
| Line 762 static int lex_symbol() |
|
| buffer[i]=c; |
buffer[i]=c; |
| c = mygetc(); |
c = mygetc(); |
| } |
} |
| fprintf(stderr, "buffer overflow!\n"); |
ox_printf("buffer overflow!\n"); |
| return 0; |
return 0; |
| } |
} |
| |
|
| /* return する前に一文字先読みしておく. */ |
/* Remark: prefetching a character before return. */ |
| int lex() |
static int lex() |
| { |
{ |
| int c_dash = 0; |
int c_dash = 0; |
| |
|
|
|
| case '(': |
case '(': |
| case ')': |
case ')': |
| case ',': |
case ',': |
| case '+': |
case '+': |
| case '-': |
case '-': |
| c_dash = c; |
c_dash = c; |
| c = ' '; |
c = ' '; |
| return c_dash; |
return c_dash; |
|
|
| yylval.sym = lex_quoted_string(); |
yylval.sym = lex_quoted_string(); |
| return T_STRING; |
return T_STRING; |
| default: |
default: |
| |
; |
| } |
} |
| |
|
| if (isalpha(c)) { |
if (isalpha(c)) { |
| /* symbols */ |
/* symbols */ |
| return lex_symbol(); |
return lex_symbol(); |
| } |
} |
| |
|
| /* digit */ |
/* digit */ |
| if (isdigit(c)){ |
if (isdigit(c)){ |
| yylval.sym = lex_digit(); |
yylval.sym = lex_digit(); |
| return T_DIGIT; |
return T_DIGIT; |