写的一个C语言抛出异常的代码:头文件出了问题,找了几次,没有解决,现向高手请教
代码如下:
接口(里面含有大量预处理内容):
#ifndef EXCEPT_INCLUDED
#define EXCEPT_INCLUDED
#include <setjmp.h>
#define T Except_T
typedef struct T
{
char *reason;
} T;
typedef struct Except_Frame Except_Frame;
struct Except_Frame
{
Except_Frame *prev;
jmp_buf env;
const char *file;
int line;
const T *exception;
};
enum
{
Except_entered = 0,
Except_raised,
Except_handled,
Except_finalized
};
#ifdef WIN32
__declspec(thread)
#endif
extern Except_Frame *Except_stack;
extern const Except_T Assert_Failed;
void Except_raise(const T *e, const char *file, int line);
#define RAISE(e) Except_raise( &(e), __FILE__, __LINE__ )
#define RERAISE Except_raise( Except_frame.exception,\
Except_frame.file, Except_frame.line )
#define RETURN\
switch ( Except_stack = Except_stack-> prev, 0 )\
default:\
return
#define TRY\
do\
{\
volatile int Except_flag;\
Except_Frame Except_frame;\
Except_frame.prev = Except_stack;\
Except_stack = &Except_frame;\
Except_flag = setjmp(Except_frame.env);\
if (Except_flag == Except_entered)\
{\
#defineEXCEPT(e)\
if (Except_flag == Except_entered) \
Except_stack =Except_stack> prev;\
} \
else if (Except_frame.exception == &(e))\
{\
Except_flag = Except_handled;\
#define ELSE\
if (Except_flag == Except_entered) \
Except_stack = Except_stack-> prev;\
}\
else\
{\
Except_flag = Except_handled;\
#define FINALLY\
if (Except_flag == Except_entered) \
Except_stack = Except_stack-> prev; \
}\\
if (Except_flag == Except_entered)\
{\
Except_flag = Except_finalized;\
#define END_TRY\
if (Except_flag == Except_entered) \
Except_stack = Except_stack-> prev;\
}\
if (Except_flag == Except_raised) \
RERAISE;\
} while (0)
#undef T
#endif
实现代码:
#include <stdlib.h>
#include <stdio.h>
#include "assert.h "
#include "except.h "
#define T Except_T
#ifdef WIN32
__declspec(thread)
#endif
Except_Frame *Except_stack = NULL;
void Except_raise(const T *e, const char *file, int line)
{
Except_Frame *p = Except_stack;
assert(e);
if (p == NULL)
{
fprintf(stderr, "Uncaught exception ");
if (e-> reason)
fprintf(stderr, " %s ", e-> reason);
else
fprintf(stderr, " at 0x%p ", e);
if (file && line > 0)
fprintf(stderr, " raised at %s:%d\n ", file, line);
fprintf(stderr, "aborting...\n ");
fflush(stderr);
abort();
}
p-> exception = e;
p-> file = file;
p-> line = line;
Except_stack = Except_stack-> prev;
longjmp(p-> env, Except_raised);
}
这两段代码是基于接口与实现分离的形式,错误如下:
Compiling...
except.c
d:\程序\my programmes\我的库函数接口与实现\except\my except\except.h(55) : error C2449: found '{ ' at file scope (missing function header?)
d:\程序\my programmes\我的库函数接口与实现\except\my except\except.h(63) : error C2014: preprocessor command must start as first nonwhite space
d:\程序\my programmes\我的库函数接口与实现\except\my except\except.h(64) : error C2017: illegal escape sequence
d:\程序\my programmes\我的库函数接口与实现\except\my except\except.h(70) : error C2014: preprocessor command must start as first nonwhite space
d:\程序\my programmes\我的库函数接口与实现\except\my except\except.c(40) : fatal error C1004: unexpected end of file found
Error executing cl.exe.
except.obj - 5 error(s), 0 warning(s)
看到上面的错误,觉得都是语法上的错误,但我看书找了很久都不能解决,而且类似的代码却能运行,所以希望高手能给予解答?
[解决办法]
jf ?
[解决办法]
只有jf了
[解决办法]
接吧
