version 1.11, 2003/03/23 20:17:35 |
version 1.18, 2018/04/05 06:05:44 |
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/* -*- mode: C; coding: euc-japan -*- */ |
/* -*- mode: C; coding: euc-japan -*- */ |
/* $OpenXM: OpenXM/src/ox_toolkit/parse.c,v 1.10 2003/02/03 23:13:23 ohara Exp $ */ |
/* $OpenXM: OpenXM/src/ox_toolkit/parse.c,v 1.17 2015/08/27 03:03:34 ohara Exp $ */ |
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/* |
/* |
This module is a parser for OX/CMO expressions. |
This module is a parser for OX/CMO expressions. |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <sys/param.h> |
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#include <setjmp.h> |
#include <setjmp.h> |
#include <ctype.h> |
#include <ctype.h> |
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#if !defined(_MSC_VER) |
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#include <sys/param.h> |
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#endif |
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#include "ox_toolkit.h" |
#include "ox_toolkit.h" |
#include "parse.h" |
#include "parse.h" |
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static int pflag_cmo_addrev = 1; |
static int pflag_cmo_addrev = 1; |
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/* definitions of local functions */ |
/* definitions of local functions */ |
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static void init_parser(char *s); |
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static cmo *parse(); |
static void parse_error(char *s); |
static void parse_error(char *s); |
static void parse_right_parenthesis(); |
static void parse_right_parenthesis(); |
static void parse_left_parenthesis(); |
static void parse_left_parenthesis(); |
static void parse_comma(); |
static void parse_comma(); |
#if defined(WITH_GMP) |
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static mpz_ptr parse_mpz_integer(); |
static mpz_ptr parse_mpz_integer(); |
#endif /* WITH_GMP */ |
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static int parse_integer(); |
static int parse_integer(); |
static char *parse_string(); |
static char *parse_string(); |
static cmo *parse_cmo_null(); |
static cmo *parse_cmo_null(); |
Line 63 static cmo *parse_cmo_string(); |
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Line 65 static cmo *parse_cmo_string(); |
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static cmo *parse_cmo_mathcap(); |
static cmo *parse_cmo_mathcap(); |
static cmo *parse_cmo_list(); |
static cmo *parse_cmo_list(); |
static cmo *parse_cmo_monomial32(); |
static cmo *parse_cmo_monomial32(); |
#if defined(WITH_GMP) |
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static cmo *parse_cmo_zz(); |
static cmo *parse_cmo_zz(); |
#endif /* WITH_GMP */ |
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static cmo *parse_cmo_zero(); |
static cmo *parse_cmo_zero(); |
static cmo *parse_cmo_dms_generic(); |
static cmo *parse_cmo_dms_generic(); |
static cmo *parse_cmo_ring_by_name(); |
static cmo *parse_cmo_ring_by_name(); |
Line 80 static ox *parse_ox_data(); |
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Line 80 static ox *parse_ox_data(); |
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static void init_lex(char *s); |
static void init_lex(char *s); |
static int lex(); |
static int lex(); |
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/* Parsing a Lisp-style expression of CMO. */ |
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cmo *ox_parse_lisp(char *s) |
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{ |
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return (s != NULL && strlen(s) > 0)? init_parser(s), parse(): NULL; |
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} |
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static int is_token_cmo(int token) |
static int is_token_cmo(int token) |
{ |
{ |
Line 105 static void parse_error(char *s) |
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Line 110 static void parse_error(char *s) |
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longjmp(env_parse, 1); |
longjmp(env_parse, 1); |
} |
} |
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void setflag_parse(int flag) |
static void setflag_parse(int flag) |
{ |
{ |
pflag_cmo_addrev = flag; |
pflag_cmo_addrev = flag; |
} |
} |
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void init_parser(char *s) |
static void init_parser(char *s) |
{ |
{ |
setflag_parse(PFLAG_ADDREV); |
setflag_parse(PFLAG_ADDREV); |
init_lex(s); |
init_lex(s); |
} |
} |
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cmo *parse() |
static cmo *parse() |
{ |
{ |
cmo *m; |
cmo *m = NULL; |
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if (setjmp(env_parse) == 0) { |
if (setjmp(env_parse) != 0) { |
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return NULL; |
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/* This is an error. */ |
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} |
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token = lex(); |
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if (token == '(') { |
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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(); |
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}else { |
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parse_error("invalid symbol."); |
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} |
} |
} |
return m; |
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} |
} |
return NULL; |
return m; |
} |
} |
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static ox *parse_ox() |
static ox *parse_ox() |
Line 222 static cmo *parse_cmo() |
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Line 222 static cmo *parse_cmo() |
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token = lex(); |
token = lex(); |
m = parse_cmo_monomial32(); |
m = parse_cmo_monomial32(); |
break; |
break; |
#if defined(WITH_GMP) |
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case TOKEN(CMO_ZZ): |
case TOKEN(CMO_ZZ): |
token = lex(); |
token = lex(); |
m = parse_cmo_zz(); |
m = parse_cmo_zz(); |
break; |
break; |
#endif /* WITH_GMP */ |
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case TOKEN(CMO_ZERO): |
case TOKEN(CMO_ZERO): |
token = lex(); |
token = lex(); |
m = parse_cmo_zero(); |
m = parse_cmo_zero(); |
Line 282 static void parse_comma() |
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Line 280 static void parse_comma() |
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token = lex(); |
token = lex(); |
} |
} |
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#if defined(WITH_GMP) |
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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; |
} |
} |
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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); |
#ifdef DEBUG |
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free(src); |
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#endif |
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return z; |
return z; |
} |
} |
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Line 320 static mpz_ptr parse_mpz_integer() |
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Line 314 static mpz_ptr parse_mpz_integer() |
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if (sign == -1) { |
if (sign == -1) { |
val = my_mpz_neg(val); |
val = my_mpz_neg(val); |
} |
} |
#ifdef DEBUG |
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free(yylval.sym); |
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#endif |
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token = lex(); |
token = lex(); |
return val; |
return val; |
} |
} |
#endif /* WITH_GMP */ |
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static int parse_integer() |
static int parse_integer() |
{ |
{ |
#if defined(WITH_GMP) |
#if 0 |
return mpz_get_si(parse_mpz_integer()); |
return mpz_get_si(parse_mpz_integer()); |
#else |
#else |
abort(); /* not implemented */ |
int sign = 1; |
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int val; |
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if (token == '+') { |
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token = lex(); |
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}else if (token == '-') { |
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sign = -1; |
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token = lex(); |
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} |
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if (token != T_DIGIT) { |
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parse_error("no integer."); |
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} |
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val = sign*atoi(yylval.sym); |
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token = lex(); |
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return val; |
#endif |
#endif |
} |
} |
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Line 456 static cmo *parse_cmo_monomial32() |
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Line 461 static cmo *parse_cmo_monomial32() |
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return (cmo *)m; |
return (cmo *)m; |
} |
} |
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#if defined(WITH_GMP) |
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/* the following function rewrite internal data of mpz/cmo_zz. */ |
/* the following function rewrite internal data of mpz/cmo_zz. */ |
static cmo *parse_cmo_zz() |
static cmo *parse_cmo_zz() |
{ |
{ |
Line 485 static cmo *parse_cmo_zz() |
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Line 489 static cmo *parse_cmo_zz() |
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parse_right_parenthesis(); |
parse_right_parenthesis(); |
return (cmo *)m; |
return (cmo *)m; |
} |
} |
#endif /* WITH_GMP */ |
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static cmo *parse_cmo_zero() |
static cmo *parse_cmo_zero() |
{ |
{ |
Line 604 static void init_lex(char *s) |
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Line 607 static void init_lex(char *s) |
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#define SIZE_BUFFER 8192 |
#define SIZE_BUFFER 8192 |
static char buffer[SIZE_BUFFER]; |
static char buffer[SIZE_BUFFER]; |
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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); |
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strcpy(s, src); |
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return s; |
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} |
} |
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/* no measure for buffer overflow */ |
/* no measure for buffer overflow */ |
Line 625 static char *lex_digit() |
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Line 625 static char *lex_digit() |
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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); |
} |
} |
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#define MK_KEY_CMO(x) { #x , x , TOKEN(x) , IS_CMO } |
#define MK_KEY_CMO(x) { #x , x , TOKEN(x) , IS_CMO } |
Line 647 static struct symbol symbol_list[] = { |
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Line 647 static struct symbol symbol_list[] = { |
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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), |
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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), |
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MK_KEY_CMO(CMO_POLYNOMIAL_IN_ONE_VARIABLE), |
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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 722 static char *lex_quoted_string() |
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Line 725 static char *lex_quoted_string() |
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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 789 static int lex() |
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Line 792 static int lex() |
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yylval.sym = lex_quoted_string(); |
yylval.sym = lex_quoted_string(); |
return T_STRING; |
return T_STRING; |
default: |
default: |
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; |
} |
} |
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if (isalpha(c)) { |
if (isalpha(c)) { |