# define USE_HEAP_INSTEAD_OF_STACK
#endif
-#/* Use the reentrant APIs like localtime_r and getpwent_r */
+/* Use the reentrant APIs like localtime_r and getpwent_r */
/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
# define USE_REENTRANT_API
/* <--- here ends the logic shared by perl.h and makedef.pl */
-/*
- * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
- * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
- * __bsdi__ for BSD/OS
- */
-#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
-# ifndef BSDish
-# define BSDish
-# endif
-#endif
-
/* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
#if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
# define USING_MSVC6
# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
# define STMT_END )
# else
- /* Now which other defined()s do we need here ??? */
-# if (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
-# define STMT_START if (1)
-# define STMT_END else (void)0
-# else
# define STMT_START do
# define STMT_END while (0)
-# endif
# endif
#endif
# include <sys/param.h>
#endif
+/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
+ value something like 199306. This may be useful if no more-specific
+ feature test is available.
+*/
+#if defined(BSD)
+# ifndef BSDish
+# define BSDish
+# endif
+#endif
+
/* Use all the "standard" definitions? */
#if defined(STANDARD_C) && defined(I_STDLIB)
# include <stdlib.h>
#endif
#if defined(__cplusplus)
-# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
+# if defined(BSDish)
EXTERN_C char **environ;
# elif defined(__CYGWIN__)
EXTERN_C char *crypt(const char *, const char *);
# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
#endif
-#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
-
#ifndef errno
extern int errno; /* ANSI allows errno to be an lvalue expr.
* For example in multithreaded environments
#endif
-struct RExC_state_t;
-struct _reg_trie_data;
-
typedef MEM_SIZE STRLEN;
#ifdef PERL_MAD
# else
# include "dosish.h"
# endif
-# define ISHISH "dos"
-#endif
-
-#if defined(VMS)
+#elif defined(VMS)
# include "vmsish.h"
-# define ISHISH "vms"
-#endif
-
-#if defined(PLAN9)
+#elif defined(PLAN9)
# include "./plan9/plan9ish.h"
-# define ISHISH "plan9"
-#endif
-
-#if defined(__VOS__)
+#elif defined(__VOS__)
# ifdef __GNUC__
# include "./vos/vosish.h"
# else
# include "vos/vosish.h"
# endif
-# define ISHISH "vos"
-#endif
-
-#ifdef __SYMBIAN32__
+#elif defined(__SYMBIAN32__)
# include "symbian/symbianish.h"
-# define ISHISH "symbian"
-#endif
-
-
-#if defined(__HAIKU__)
+#elif defined(__HAIKU__)
# include "haiku/haikuish.h"
-# define ISHISH "haiku"
-#endif
-
-#ifndef ISHISH
+#else
# include "unixish.h"
-# define ISHISH "unix"
#endif
/* NSIG logic from Configure --> */
appropriate to call return. In either case, include the lint directive.
*/
#ifdef HASATTRIBUTE_NORETURN
-# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
+# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
#else
-# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
+# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
#endif
/* Some OS warn on NULL format to printf */
/* placeholder */
#endif
+
+#ifndef __has_builtin
+# define __has_builtin(x) 0 /* not a clang style compiler */
+#endif
+
+/* ASSUME is like assert(), but it has a benefit in a release build. It is a
+ hint to a compiler about a statement of fact in a function call free
+ expression, which allows the compiler to generate better machine code.
+ In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
+ the control path is unreachable. In a for loop, ASSUME can be used to hint
+ that a loop will run atleast X times. ASSUME is based off MSVC's __assume
+ intrinsic function, see its documents for more details.
+*/
+
+#ifndef DEBUGGING
+# if __has_builtin(__builtin_unreachable) \
+ || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
+# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
+# elif defined(_MSC_VER)
+# define ASSUME(x) __assume(x)
+# elif defined(__ARMCC_VERSION) /* untested */
+# define ASSUME(x) __promise(x)
+# else
+/* a random compiler might define assert to its own special optimization token
+ so pass it through to C lib as a last resort */
+# define ASSUME(x) assert(x)
+# endif
+#else
+# define ASSUME(x) assert(x)
+#endif
+
+#define NOT_REACHED ASSUME(0)
+
/* Some unistd.h's give a prototype for pause() even though
HAS_PAUSE ends up undefined. This causes the #define
below to be rejected by the compiler. Sigh.
union any {
void* any_ptr;
I32 any_i32;
+ U32 any_u32;
IV any_iv;
UV any_uv;
long any_long;
typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
-struct scan_data_t; /* Used in S_* functions in regcomp.c */
-struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
+#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
+
+/* These have to be predeclared, as they are used in proto.h which is #included
+ * before their definitions in regcomp.h. */
+
+struct scan_data_t;
+struct regnode_charclass_class;
+
+/* A hopefully less confusing name. The sub-classes are all Posix classes only
+ * used under /l matching */
+typedef struct regnode_charclass_class regnode_charclass_posixl;
+
+typedef struct regnode_ssc regnode_ssc;
+typedef struct RExC_state_t RExC_state_t;
+struct _reg_trie_data;
+
+#endif
struct ptr_tbl_ent {
struct ptr_tbl_ent* next;
/* VMS and some other platforms don't use the environ array */
# ifdef USE_ENVIRON_ARRAY
# if !defined(DONT_DECLARE_STD) || \
- (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
+ (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
defined(__sgi)
extern char ** environ; /* environment variables supplied via exec */
# endif
XATTRBLOCK,
XATTRTERM,
XTERMBLOCK,
+ XPOSTDEREF,
XTERMORDORDOR /* evil hack */
/* update exp_name[] in toke.c if adding to this enum */
} expectation;
https://perl5.git.perl.org / perl5.git / blobdiff