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This patch removes a lot of unused code related to assertions and

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error handling, and simplifies the code that remains. Apparently,
the code that left Berkeley had a whole "error handling subsystem",
which exceptions and whatnot. Since we don't use that anymore,
there's no reason to keep it around.

The regression tests pass with the patch applied. Unless anyone
sees a problem, please apply.

Neil Conway
This commit is contained in:
Bruce Momjian
2002-08-10 20:29:18 +00:00
parent 8be9bd83ac
commit c5354dff20
11 changed files with 35 additions and 441 deletions
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90
src/include/postgres.h
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@ -10,7 +10,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1995, Regents of the University of California
*
* $Id: postgres.h,v 1.58 2002/06/20 20:29:42 momjian Exp $
* $Id: postgres.h,v 1.59 2002/08/10 20:29:18 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -470,17 +470,6 @@ extern Datum Float8GetDatum(float8 X);
* ----------------------------------------------------------------
*/
typedef char *ExcMessage;
typedef struct Exception
{
ExcMessage message;
} Exception;
extern DLLIMPORT Exception FailedAssertion;
extern DLLIMPORT Exception BadArg;
extern DLLIMPORT Exception BadState;
extern DLLIMPORT bool assert_enabled;
/*
@ -495,25 +484,24 @@ extern DLLIMPORT bool assert_enabled;
* Generates an exception if the given condition is true.
*
*/
#define Trap(condition, exception) \
#define Trap(condition, errorType) \
do { \
if ((assert_enabled) && (condition)) \
ExceptionalCondition(CppAsString(condition), &(exception), \
(char*)NULL, __FILE__, __LINE__); \
ExceptionalCondition(CppAsString(condition), (errorType), \
__FILE__, __LINE__); \
} while (0)
/*
* TrapMacro is the same as Trap but it's intended for use in macros:
*
* #define foo(x) (AssertM(x != 0) && bar(x))
* #define foo(x) (AssertMacro(x != 0) && bar(x))
*
* Isn't CPP fun?
*/
#define TrapMacro(condition, exception) \
#define TrapMacro(condition, errorType) \
((bool) ((! assert_enabled) || ! (condition) || \
(ExceptionalCondition(CppAsString(condition), \
&(exception), \
(char*) NULL, __FILE__, __LINE__))))
(ExceptionalCondition(CppAsString(condition), (errorType), \
__FILE__, __LINE__))))
#ifndef USE_ASSERT_CHECKING
#define Assert(condition)
@ -523,73 +511,21 @@ extern DLLIMPORT bool assert_enabled;
#define assert_enabled 0
#else
#define Assert(condition) \
Trap(!(condition), FailedAssertion)
Trap(!(condition), "FailedAssertion")
#define AssertMacro(condition) \
((void) TrapMacro(!(condition), FailedAssertion))
((void) TrapMacro(!(condition), "FailedAssertion"))
#define AssertArg(condition) \
Trap(!(condition), BadArg)
Trap(!(condition), "BadArgument")
#define AssertState(condition) \
Trap(!(condition), BadState)
Trap(!(condition), "BadState")
#endif /* USE_ASSERT_CHECKING */
/*
* LogTrap
* Generates an exception with a message if the given condition is true.
*
*/
#define LogTrap(condition, exception, printArgs) \
do { \
if ((assert_enabled) && (condition)) \
ExceptionalCondition(CppAsString(condition), &(exception), \
vararg_format printArgs, __FILE__, __LINE__); \
} while (0)
/*
* LogTrapMacro is the same as LogTrap but it's intended for use in macros:
*
* #define foo(x) (LogAssertMacro(x != 0, "yow!") && bar(x))
*/
#define LogTrapMacro(condition, exception, printArgs) \
((bool) ((! assert_enabled) || ! (condition) || \
(ExceptionalCondition(CppAsString(condition), \
&(exception), \
vararg_format printArgs, __FILE__, __LINE__))))
extern int ExceptionalCondition(char *conditionName,
Exception *exceptionP, char *details,
extern int ExceptionalCondition(char *conditionName, char *errorType,
char *fileName, int lineNumber);
extern char *
vararg_format(const char *fmt,...)
/* This lets gcc check the format string for consistency. */
__attribute__((format(printf, 1, 2)));
#ifndef USE_ASSERT_CHECKING
#define LogAssert(condition, printArgs)
#define LogAssertMacro(condition, printArgs) true
#define LogAssertArg(condition, printArgs)
#define LogAssertState(condition, printArgs)
#else
#define LogAssert(condition, printArgs) \
LogTrap(!(condition), FailedAssertion, printArgs)
#define LogAssertMacro(condition, printArgs) \
LogTrapMacro(!(condition), FailedAssertion, printArgs)
#define LogAssertArg(condition, printArgs) \
LogTrap(!(condition), BadArg, printArgs)
#define LogAssertState(condition, printArgs) \
LogTrap(!(condition), BadState, printArgs)
#ifdef ASSERT_CHECKING_TEST
extern int assertTest(int val);
#endif
#endif /* USE_ASSERT_CHECKING */
/* ----------------------------------------------------------------
* Section 4: genbki macros used by catalog/pg_xxx.h files
* ----------------------------------------------------------------