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fix a few compilation warnings

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- remove unused variables and class fields
 - add support for gcc 4.5 & clang's __builtin_unreachable
 - fix 2 bugs related to strict aliasing
 - remove a few unused function parameters

Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
This commit is contained in:
Nuno Lopes 2013-04-21 14:36:39 -07:00
parent 0673f645c9
commit 7ce88d4da9
46 changed files with 97 additions and 122 deletions
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11
src/util/debug.h
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@ -29,6 +29,10 @@ bool assertions_enabled();
#include<crtdbg.h>
#endif
#ifndef __has_builtin
# define __has_builtin(x) 0
#endif
#include"error_codes.h"
#include"warning.h"
@ -53,7 +57,14 @@ bool is_debug_enabled(const char * tag);
#define SASSERT(COND) DEBUG_CODE(if (assertions_enabled() && !(COND)) { notify_assertion_violation(__FILE__, __LINE__, #COND); INVOKE_DEBUGGER(); })
#define CASSERT(TAG, COND) DEBUG_CODE(if (assertions_enabled() && is_debug_enabled(TAG) && !(COND)) { notify_assertion_violation(__FILE__, __LINE__, #COND); INVOKE_DEBUGGER(); })
#define XASSERT(COND, EXTRA_CODE) DEBUG_CODE(if (assertions_enabled() && !(COND)) { notify_assertion_violation(__FILE__, __LINE__, #COND); { EXTRA_CODE } INVOKE_DEBUGGER(); })
#if (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 405)) || __has_builtin(__builtin_unreachable)
// only available in gcc >= 4.5 and in newer versions of clang
# define UNREACHABLE() __builtin_unreachable()
#else
#define UNREACHABLE() DEBUG_CODE(notify_assertion_violation(__FILE__, __LINE__, "UNREACHABLE CODE WAS REACHED."); INVOKE_DEBUGGER();)
#endif
#define NOT_IMPLEMENTED_YET() { std::cerr << "NOT IMPLEMENTED YET!\n"; UNREACHABLE(); exit(ERR_NOT_IMPLEMENTED_YET); } ((void) 0)
#ifdef Z3DEBUG