version 1.1, 1999/10/29 08:06:41 |
version 1.18, 2000/12/03 15:19:23 |
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/* -*- mode: C; coding: euc-japan -*- */ |
/* -*- mode: C; coding: euc-japan -*- */ |
/* $OpenXM$ */ |
/* $OpenXM: OpenXM/src/ox_math/serv2.c,v 1.17 2000/11/28 20:16:03 ohara Exp $ */ |
/* $Id$ */ |
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/* Open Mathematica サーバ */ |
/* |
/* ファイルディスクリプタ 3, 4 は open されていると仮定して動作する. */ |
Copyright (C) Katsuyoshi OHARA, 2000. |
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Portions copyright 1999 Wolfram Research, Inc. |
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/* MathLink との通信部分 */ |
You must see OpenXM/Copyright/Copyright.generic. |
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The MathLink Library is licensed from Wolfram Research Inc.. |
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See OpenXM/Copyright/Copyright.mathlink for detail. |
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*/ |
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/* |
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Remarks: |
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file descripter 3 and 4 are already opened by the parent process. |
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*/ |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <unistd.h> |
#include <unistd.h> |
#include <gmp.h> |
#include <gmp.h> |
#include <mathlink.h> |
#include <mathlink.h> |
#include "ox.h" |
#include <ox_toolkit.h> |
#include "serv2.h" |
#include "serv2.h" |
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#define UNKNOWN_SM_COMMAND 50000 |
extern int flag_mlo_symbol; |
#define MATH_ERROR 50001 |
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/* MathLink independent */ |
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static cmo **stack = NULL; |
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static int stack_size = 0; |
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static int stack_ptr = 0; |
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OXFILE *stack_oxfp = NULL; |
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/* MLINK はポインタ型. */ |
#define DIFFERENCE_OF_STACK 1024 |
MLINK lp = NULL; |
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/* Mathematica を起動する. */ |
static void stack_extend() |
int MATH_init() |
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{ |
{ |
int argc = 2; |
int newsize = stack_size + DIFFERENCE_OF_STACK; |
char *argv[] = {"-linkname", "math -mathlink"}; |
cmo **newstack = (cmo **)malloc(sizeof(cmo *)*newsize); |
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if (stack != NULL) { |
if(MLInitialize(NULL) != NULL) { |
memcpy(newstack, stack, sizeof(cmo *)*stack_size); |
lp = MLOpen(argc, argv); |
free(stack); |
if(lp != NULL) { |
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return 0; |
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} |
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} |
} |
exit(1); |
stack_size = newsize; |
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stack = newstack; |
} |
} |
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int MATH_exit() |
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{ |
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/* quit Mathematica then close the link */ |
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MLPutFunction(lp, "Exit", 0); |
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MLClose(lp); |
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} |
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char *MATH_getObject() |
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{ |
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char *s; |
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/* skip any packets before the first ReturnPacket */ |
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while (MLNextPacket(lp) != RETURNPKT) { |
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usleep(10); |
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MLNewPacket(lp); |
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} |
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/* いまはタイプにかかわらず文字列を取得する. */ |
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switch(MLGetNext(lp)) { |
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case MLTKINT: |
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fprintf(stderr, "type is INTEGER.\n"); |
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MLGetString(lp, &s); |
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break; |
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case MLTKSTR: |
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fprintf(stderr, "type is STRING.\n"); |
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MLGetString(lp, &s); |
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break; |
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default: |
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MLGetString(lp, &s); |
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} |
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return s; |
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} |
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cmo *MATH_getObject2() |
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{ |
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char *s; |
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cmo *m; |
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char **sp; |
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int i,n; |
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/* skip any packets before the first ReturnPacket */ |
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while (MLNextPacket(lp) != RETURNPKT) { |
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usleep(10); |
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MLNewPacket(lp); |
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} |
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/* いまはタイプにかかわらず文字列を取得する. */ |
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switch(MLGetNext(lp)) { |
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case MLTKINT: |
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fprintf(stderr, "type is INTEGER.\n"); |
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MLGetString(lp, &s); |
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m = (cmo *)new_cmo_zz_set_string(s); |
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break; |
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case MLTKSTR: |
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fprintf(stderr, "type is STRING.\n"); |
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MLGetString(lp, &s); |
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m = (cmo *)new_cmo_string(s); |
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break; |
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case MLTKERR: |
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fprintf(stderr, "type is ERROR.\n"); |
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m = gen_error_object(MATH_ERROR); |
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break; |
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case MLTKSYM: |
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fprintf(stderr, "MLTKSYM.\n"); |
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MLGetString(lp, s); |
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m = (cmo *)new_cmo_string(s); |
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break; |
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case MLTKFUNC: |
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fprintf(stderr, "MLTKFUNC.\n"); |
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#if DEBUG |
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MLGetString(lp, s); |
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m = (cmo *)new_cmo_string(s); |
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break; |
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#endif |
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MLGetFunction(lp, sp, &n); |
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fprintf(stderr, "n = %d\n", n); |
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for (i=0; i<=n; i++) { |
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fprintf(stderr, "%s "); |
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} |
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fprintf(stderr, "\n"); |
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m = (cmo *)new_cmo_string(s[0]); |
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break; |
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case MLTKREAL: |
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fprintf(stderr, "MLTKREAL is not supported: we use MLTKSTR.\n"); |
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MLGetString(lp, &s); |
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m = (cmo *)new_cmo_string(s); |
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break; |
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default: |
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fprintf(stderr, "unknown type: we use STRING.\n"); |
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MLGetString(lp, &s); |
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m = (cmo *)new_cmo_string(s); |
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} |
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return m; |
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} |
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int MATH_sendObject(cmo *m) |
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{ |
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char *s; |
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switch(m->tag) { |
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case CMO_INT32: |
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MLPutInteger(lp, ((cmo_int32 *)m)->i); |
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break; |
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case CMO_STRING: |
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s = ((cmo_string *)m)->s; |
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MLPutString(lp, s); |
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fprintf(stderr, "put %s.", s); |
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break; |
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default: |
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MLPutFunction(lp, "ToExpression", 1); |
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s = CONVERT_CMO_TO_CSTRING(m); |
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MLPutString(lp, s); |
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fprintf(stderr, "put %s.", s); |
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break; |
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} |
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} |
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int MATH_evaluateStringByLocalParser(char *str) |
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{ |
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MLPutFunction(lp, "ToExpression", 1); |
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MLPutString(lp, str); |
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MLEndPacket(lp); |
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} |
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int MATH_executeFunction(char *function, int argc, cmo *argv[]) |
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{ |
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int i; |
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MLPutFunction(lp, function, argc); |
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for (i=0; i<argc; i++) { |
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MATH_sendObject(argv[i]); |
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} |
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MLEndPacket(lp); |
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} |
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/* MathLink 非依存部分 */ |
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#define SIZE_OPERAND_STACK 2048 |
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static cmo* Operand_Stack[SIZE_OPERAND_STACK]; |
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static int Stack_Pointer = 0; |
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int initialize_stack() |
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{ |
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Stack_Pointer = 0; |
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} |
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int push(cmo* m) |
int push(cmo* m) |
{ |
{ |
#if DEBUG |
#if DEBUG |
fprintf(stderr, "server:: a cmo is pushed: tag == %d.\n", m->tag); |
symbol_t symp; |
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if (m->tag == CMO_STRING) { |
if (m->tag == CMO_STRING) { |
fprintf(stderr, "server:: %s\n", ((cmo_string *)m)->s); |
fprintf(stderr, "ox_math:: a CMO_STRING(%s) was pushed.\n", ((cmo_string *)m)->s); |
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}else { |
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symp = lookup_by_tag(m->tag); |
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fprintf(stderr, "ox_math:: a %s was pushed.\n", symbol_get_key(symp)); |
} |
} |
#endif |
#endif |
Operand_Stack[Stack_Pointer] = m; |
if (stack_ptr >= stack_size) { |
Stack_Pointer++; |
stack_extend(); |
if (Stack_Pointer >= SIZE_OPERAND_STACK) { |
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fprintf(stderr, "stack over flow.\n"); |
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exit(1); |
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} |
} |
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stack[stack_ptr] = m; |
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stack_ptr++; |
} |
} |
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/* エラーのときは NULL を返す */ |
/* if the stack is empty, then pop() returns (CMO_NULL). */ |
/* gen_error_object(SM_popCMO); */ |
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/* CMO_ERROR2 */ |
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cmo* pop() |
cmo* pop() |
{ |
{ |
if (Stack_Pointer > 0) { |
if (stack_ptr > 0) { |
Stack_Pointer--; |
return stack[--stack_ptr]; |
return Operand_Stack[Stack_Pointer]; |
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} |
} |
return NULL; |
return new_cmo_null(); |
} |
} |
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void pops(int n) |
void pops(int n) |
{ |
{ |
Stack_Pointer -= n; |
stack_ptr -= n; |
if (Stack_Pointer < 0) { |
if (stack_ptr < 0) { |
Stack_Pointer = 0; |
stack_ptr = 0; |
} |
} |
} |
} |
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void push_error(int errcode, cmo* pushback) |
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{ |
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return push((cmo *)make_error_object(errcode, pushback)); |
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} |
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/* sm_XXX 関数群は、エラーのときは 0 以外の値を返し、呼び出し元で |
/* |
エラーオブジェクトをセットする */ |
if error occurs, then a sm_*() function returns non-zero and |
int sm_popCMO(int fd_write) |
an error obect is set by a function which calls sm_*(). |
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*/ |
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int sm_popCMO(OXFILE* oxfp) |
{ |
{ |
cmo* m = pop(); |
cmo* m = pop(); |
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#ifdef DEBUG |
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symbol_t symp = lookup_by_tag(m->tag); |
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fprintf(stderr, "ox_math:: opecode = SM_popCMO. (%s)\n", symbol_get_key(symp)); |
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#endif |
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fprintf(stderr, "code: SM_popCMO.\n"); |
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if (m != NULL) { |
if (m != NULL) { |
send_ox_cmo(fd_write, m); |
send_ox_cmo(oxfp, m); |
return 0; |
return 0; |
} |
} |
return SM_popCMO; |
return SM_popCMO; |
} |
} |
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int sm_pops(int fd_write) |
int sm_pops(OXFILE* oxfp) |
{ |
{ |
cmo* m = pop(); |
cmo* m = pop(); |
if (m != NULL && m->tag == CMO_INT32) { |
if (m != NULL && m->tag == CMO_INT32) { |
pops(((cmo_int32 *)m)->i); |
pops(((cmo_int32 *)m)->i); |
return 0; |
return 0; |
} |
} |
return UNKNOWN_SM_COMMAND; |
return ERROR_ID_UNKNOWN_SM; |
} |
} |
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/* MathLink 依存部分 */ |
/* MathLink dependent */ |
int sm_popString(int fd_write) |
int sm_popString(OXFILE* oxfp) |
{ |
{ |
char* s; |
char *s; |
cmo* m; |
cmo *err; |
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cmo *m; |
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#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr, "code: SM_popString.\n"); |
fprintf(stderr, "ox_math:: opecode = SM_popString.\n"); |
#endif |
#endif |
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if ((m = pop()) != NULL && (s = CONVERT_CMO_TO_CSTRING(m)) != NULL) { |
m = pop(); |
send_ox_cmo(fd_write, new_cmo_string(s)); |
if (m->tag == CMO_STRING) { |
return 0; |
send_ox_cmo(oxfp, m); |
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}else if ((s = new_string_set_cmo(m)) != NULL) { |
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send_ox_cmo(oxfp, (cmo *)new_cmo_string(s)); |
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}else { |
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err = make_error_object(SM_popString, m); |
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send_ox_cmo(oxfp, err); |
} |
} |
return SM_popString; |
return 0; |
} |
} |
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/* この関数はサーバに依存する. */ |
int local_execute(char *s) |
int sm_executeStringByLocalParser(int fd_write) |
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{ |
{ |
cmo* m = NULL; |
if(*s == 'i') { |
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switch(s[1]) { |
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case '+': |
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flag_mlo_symbol = FLAG_MLTKSYM_IS_STRING; |
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break; |
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case '-': |
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case '=': |
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default: |
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flag_mlo_symbol = FLAG_MLTKSYM_IS_INDETERMINATE; |
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} |
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} |
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return 0; |
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} |
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/* The following function is depend on an implementation of a server. */ |
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int sm_executeStringByLocalParser(OXFILE* oxfp) |
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{ |
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symbol_t symp; |
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cmo* m = pop(); |
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char *s = NULL; |
#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr, "code: SM_executeStringByLocalParser.\n"); |
fprintf(stderr, "ox_math:: opecode = SM_executeStringByLocalParser.\n"); |
#endif |
#endif |
if ((m = pop()) != NULL && m->tag == CMO_STRING) { |
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/* for mathematica */ |
if (m->tag == CMO_STRING |
/* mathematica に文字列を送って評価させる */ |
&& strlen(s = ((cmo_string *)m)->s) != 0) { |
MATH_evaluateStringByLocalParser(((cmo_string *)m)->s); |
if (s[0] == ':') { |
push(MATH_getObject2()); |
local_execute(++s); |
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}else { |
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/* for mathematica */ |
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/* Sending the string `s' to mathematica for its evaluation. */ |
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ml_evaluateStringByLocalParser(s); |
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ml_select(); |
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push(receive_mlo()); |
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} |
return 0; |
return 0; |
} |
} |
fprintf(stderr, "cannot execute: top of stack is not string!(%p, %d)\n", m, m->tag); |
#ifdef DEBUG |
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symp = lookup_by_tag(m->tag); |
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fprintf(stderr, "ox_math:: error. the top of stack is %s.\n", symbol_get_key(symp)); |
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#endif |
return SM_executeStringByLocalParser; |
return SM_executeStringByLocalParser; |
} |
} |
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int sm_executeFunction(int fd_write) |
int sm_executeFunction(OXFILE* oxfp) |
{ |
{ |
int i, argc; |
int i, argc; |
cmo **argv; |
cmo **argv; |
Line 292 int sm_executeFunction(int fd_write) |
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Line 199 int sm_executeFunction(int fd_write) |
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if ((m = pop()) == NULL || m->tag != CMO_INT32) { |
if ((m = pop()) == NULL || m->tag != CMO_INT32) { |
return SM_executeFunction; |
return SM_executeFunction; |
} |
} |
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argc = ((cmo_int32 *)m)->i; |
argc = ((cmo_int32 *)m)->i; |
argv = malloc(sizeof(cmo *)*argc); |
argv = malloc(argc*sizeof(cmo *)); |
for (i=0; i<argc; i++) { |
for (i=0; i<argc; i++) { |
if ((argv[i] = pop()) == NULL) { |
argv[i] = pop(); |
return SM_executeFunction; |
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} |
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} |
} |
MATH_executeFunction(func, argc, argv); |
ml_executeFunction(func, argc, argv); |
push(MATH_getObject2()); |
ml_select(); |
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push(receive_mlo()); |
return 0; |
return 0; |
} |
} |
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/* 平成11年10月13日 */ |
int sm_mathcap(OXFILE* oxfp) |
#define VERSION 0x11102700 |
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#define ID_STRING "ox_math server 1999/10/28 17:29:25" |
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int sm_mathcap(int fd_write) |
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{ |
{ |
cmo* c = make_mathcap_object(VERSION, ID_STRING); |
push((cmo *)oxf_cmo_mathcap(oxfp)); |
push(c); |
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return 0; |
return 0; |
} |
} |
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int receive_sm_command(int fd_read) |
void sm_set_mathcap(OXFILE *oxfp) |
{ |
{ |
return receive_int32(fd_read); |
cmo_mathcap *m = (cmo_mathcap *)pop(); |
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if (m->tag == CMO_MATHCAP) { |
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oxf_mathcap_update(oxfp, m); |
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}else { |
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push_error(-1, m); |
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/* an error object must be pushed */ |
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} |
} |
} |
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int execute_sm_command(int fd_write, int code) |
int receive_sm_command(OXFILE* oxfp) |
{ |
{ |
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return receive_int32(oxfp); |
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} |
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int execute_sm_command(OXFILE* oxfp, int code) |
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{ |
int err = 0; |
int err = 0; |
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#ifdef DEBUG |
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symbol_t sp = lookup_by_tag(code); |
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fprintf(stderr, "ox_math:: %s received.\n", symbol_get_key(sp)); |
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#endif |
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switch(code) { |
switch(code) { |
case SM_popCMO: |
case SM_popCMO: |
err = sm_popCMO(fd_write); |
err = sm_popCMO(oxfp); |
break; |
break; |
case SM_popString: |
case SM_popString: |
err = sm_popString(fd_write); |
err = sm_popString(oxfp); |
break; |
break; |
case SM_mathcap: |
case SM_mathcap: |
err = sm_mathcap(fd_write); |
err = sm_mathcap(oxfp); |
break; |
break; |
case SM_pops: |
case SM_pops: |
err = sm_pops(fd_write); |
err = sm_pops(oxfp); |
break; |
break; |
case SM_executeStringByLocalParser: |
case SM_executeStringByLocalParser: |
err = sm_executeStringByLocalParser(fd_write); |
case SM_executeStringByLocalParserInBatchMode: |
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err = sm_executeStringByLocalParser(oxfp); |
break; |
break; |
case SM_executeFunction: |
case SM_executeFunction: |
err = sm_executeFunction(fd_write); |
err = sm_executeFunction(oxfp); |
break; |
break; |
case SM_setMathcap: |
case SM_shutdown: |
pop(); /* 無視する */ |
shutdown(); |
break; |
break; |
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case SM_setMathCap: |
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pop(); /* ignore */ |
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break; |
default: |
default: |
fprintf(stderr, "unknown command: %d.\n", code); |
fprintf(stderr, "unknown command: %d.\n", code); |
err = UNKNOWN_SM_COMMAND; |
err = ERROR_ID_UNKNOWN_SM; |
} |
} |
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if (err != 0) { |
if (err != 0) { |
push(gen_error_object(err)); |
push((cmo *)make_error_object(err, new_cmo_null())); |
} |
} |
} |
} |