X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fruntime%2Fruntime.h;h=9905632f37c30450590a3a1d2769c240a3949e2d;hb=b9519773faa7b3c98915eccb9cb1fd8a8270ee56;hp=eaa233a7f881c35f73a89f033e12ba71edc35967;hpb=b841aa690bada10da8c8db6eec361e3eeef0492c;p=sbcl.git diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h index eaa233a..9905632 100644 --- a/src/runtime/runtime.h +++ b/src/runtime/runtime.h @@ -123,6 +123,21 @@ is_lisp_pointer(lispobj obj) return obj & 1; } +#include "fixnump.h" + +/* Is the Lisp object obj something with immediate nature (e.g. a + * fixnum or character or unbound marker)? */ +static inline int +is_lisp_immediate(lispobj obj) +{ + return (fixnump(obj) + || (widetag_of(obj) == CHARACTER_WIDETAG) +#if N_WORD_BITS == 64 + || (widetag_of(obj) == SINGLE_FLOAT_WIDETAG) +#endif + || (widetag_of(obj) == UNBOUND_MARKER_WIDETAG)); +} + /* Convert from a lispobj with type bits to a native (ordinary * C/assembly) pointer to the beginning of the object. */ static inline lispobj * @@ -132,14 +147,24 @@ native_pointer(lispobj obj) } /* inverse operation: create a suitably tagged lispobj from a native - * pointer or integer. Needs to be a macro due to the tedious C type - * system */ -#define make_lispobj(o,low_tag) ((lispobj)(LOW_WORD(o)|low_tag)) + * pointer or integer.*/ +static inline lispobj +make_lispobj(void *o, int low_tag) +{ + return LOW_WORD(o) | low_tag; +} -/* FIXME: There seems to be no reason that make_fixnum and fixnum_value - * can't be implemented as (possibly inline) functions. */ -#define make_fixnum(n) ((lispobj)((n)<>N_FIXNUM_TAG_BITS) +static inline lispobj +make_fixnum(long n) +{ + return n << N_FIXNUM_TAG_BITS; +} + +static inline long +fixnum_value(lispobj n) +{ + return n >> N_FIXNUM_TAG_BITS; +} #if defined(LISP_FEATURE_WIN32) /* KLUDGE: Avoid double definition of boolean by rpcndr.h included via @@ -156,11 +181,6 @@ native_pointer(lispobj obj) #endif typedef int boolean; -/* This only works for static symbols. */ -/* FIXME: should be called StaticSymbolFunction, right? */ -#define SymbolFunction(sym) \ - (((struct fdefn *)(native_pointer(SymbolValue(sym,0))))->fun) - /* KLUDGE: As far as I can tell there's no ANSI C way of saying * "this function never returns". This is the way that you do it * in GCC later than version 2.5 or so. */