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#include "global.h" |
#include "constants.h" |
#include "pike_macros.h" |
#include "program.h" |
#include "pike_types.h" |
#include "stralloc.h" |
#include "pike_memory.h" |
#include "interpret.h" |
#include "mapping.h" |
#include "pike_error.h" |
#include "pike_security.h" |
#include "block_alloc.h" |
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RCSID("$Id: constants.c,v 1.52 2004/04/22 20:49:33 nilsson Exp $"); |
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struct mapping *builtin_constants = 0; |
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#ifdef PIKE_DEBUG |
struct callable *first_callable = NULL; |
#endif |
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PMOD_EXPORT struct mapping *get_builtin_constants(void) |
{ |
return builtin_constants; |
} |
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void low_add_efun(struct pike_string *name, struct svalue *fun) |
{ |
struct svalue s; |
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s.type=T_STRING; |
s.subtype=0; |
s.u.string=name; |
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if(fun) |
{ |
mapping_insert(builtin_constants, &s, fun); |
}else{ |
map_delete(builtin_constants, &s); |
} |
} |
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void low_add_constant(const char *name, struct svalue *fun) |
{ |
struct pike_string *p; |
p=make_shared_string(name); |
low_add_efun(p, fun); |
free_string(p); |
} |
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PMOD_EXPORT void add_global_program(const char *name, struct program *p) |
{ |
struct svalue s; |
s.type=T_PROGRAM; |
s.subtype=0; |
s.u.program=p; |
low_add_constant(name, &s); |
} |
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#undef INIT_BLOCK |
#define INIT_BLOCK(X) do { \ |
DO_IF_DEBUG (DOUBLELINK (first_callable, X)); \ |
} while (0) |
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#undef EXIT_BLOCK |
#define EXIT_BLOCK(X) do { \ |
DO_IF_DEBUG (DOUBLEUNLINK (first_callable, X)); \ |
free_type(X->type); \ |
free_string(X->name); \ |
X->name=0; \ |
EXIT_PIKE_MEMOBJ(X); \ |
}while(0) |
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BLOCK_ALLOC_FILL_PAGES(callable,2) |
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int global_callable_flags=0; |
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PMOD_EXPORT struct callable *low_make_callable(c_fun fun, |
struct pike_string *name, |
struct pike_type *type, |
int flags, |
optimize_fun optimize, |
docode_fun docode) |
{ |
struct callable *f=alloc_callable(); |
INIT_PIKE_MEMOBJ(f); |
f->function=fun; |
f->name=name; |
f->type=type; |
f->prog=Pike_compiler->new_program; |
f->flags=flags; |
f->docode=docode; |
f->optimize=optimize; |
f->internal_flags = global_callable_flags; |
#ifdef PIKE_DEBUG |
{ |
struct pike_type *z = check_call(function_type_string, type, 0); |
f->may_return_void = (z == void_type_string); |
if(!z) Pike_fatal("Function has no valid return type.\n"); |
free_type(z); |
} |
f->runs=0; |
f->compiles=0; |
#endif |
return f; |
} |
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PMOD_EXPORT struct callable *make_callable(c_fun fun, |
const char *name, |
const char *type, |
int flags, |
optimize_fun optimize, |
docode_fun docode) |
{ |
return low_make_callable(fun, make_shared_string(name), parse_type(type), |
flags, optimize, docode); |
} |
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PMOD_EXPORT struct callable *add_efun2(const char *name, |
c_fun fun, |
const char *type, |
int flags, |
optimize_fun optimize, |
docode_fun docode) |
{ |
struct svalue s; |
struct pike_string *n; |
struct callable *ret; |
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n=make_shared_string(name); |
s.type=T_FUNCTION; |
s.subtype=FUNCTION_BUILTIN; |
ret=s.u.efun=make_callable(fun, name, type, flags, optimize, docode); |
low_add_efun(n, &s); |
free_svalue(&s); |
free_string(n); |
return ret; |
} |
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PMOD_EXPORT struct callable *add_efun(const char *name, c_fun fun, const char *type, int flags) |
{ |
return add_efun2(name,fun,type,flags,0,0); |
} |
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PMOD_EXPORT struct callable *quick_add_efun(const char *name, ptrdiff_t name_length, |
c_fun fun, |
const char *type, ptrdiff_t type_length, |
int flags, |
optimize_fun optimize, |
docode_fun docode) |
{ |
struct svalue s; |
struct pike_string *n; |
struct pike_type *t; |
struct callable *ret; |
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#if PIKE_DEBUG |
if(simple_mapping_string_lookup(builtin_constants, name)) |
Pike_fatal("%s added as efun more than once.\n", name); |
#endif |
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n = make_shared_binary_string(name, name_length); |
t = make_pike_type(type); |
#ifdef DEBUG |
check_type_string(t); |
#endif |
s.type=T_FUNCTION; |
s.subtype=FUNCTION_BUILTIN; |
add_ref(n); |
ret=s.u.efun=low_make_callable(fun, n, t, flags, optimize, docode); |
mapping_string_insert(builtin_constants, n, &s); |
free_svalue(&s); |
free_string(n); |
return ret; |
} |
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#ifdef PIKE_DEBUG |
void present_constant_profiling(void) |
{ |
struct callable_block *b; |
size_t e; |
for(b=callable_blocks;b;b=b->next) |
{ |
for(e=0;e<NELEM(b->x);e++) |
{ |
if(b->x[e].name) |
{ |
fprintf(stderr,"%010ld @E@: %s\n",b->x[e].runs, b->x[e].name->str); |
} |
} |
} |
} |
#endif |
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void init_builtin_constants(void) |
{ |
builtin_constants = allocate_mapping(280); |
} |
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void exit_builtin_constants(void) |
{ |
#ifdef DO_PIKE_CLEANUP |
if(builtin_constants) |
{ |
free_mapping(builtin_constants); |
builtin_constants=0; |
} |
#endif |
} |
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