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guile/libguile/evalext.c
Andy Wingo e2fafeb901 Keywords have a tc7
* libguile/tags.h (scm_tc7_keyword): Allocate a tc7, so that the VM can
  have cheap keyword? tests.

* libguile/keywords.c:
* libguile/keywords.h: Adapt.

* libguile/goops.c (scm_class_of, scm_sys_goops_early_init): Capture
  <keyword>.

* libguile/print.c (iprin1): Inline keyword printer.

* libguile/evalext.c (scm_self_evaluating_p): Add keywords here.

* libguile/deprecated.h:
* libguile/deprecated.c (scm_tc16_keyword): Deprecate.

* module/language/cps/compile-bytecode.scm (compile-fun): Add keyword?
  case, and bitvector? case while we're at it.
* module/language/cps/effects-analysis.scm (define-primitive-effects):
  Add bytevector?, keyword?, and bitvector? cases.

* module/language/cps/primitives.scm (*branching-primcall-arities*): Add
  keyword?.

* module/language/cps/types.scm (bitvector?, keyword?, bytevector?): Add
  branch inferrers.

* module/language/tree-il/primitives.scm (*interesting-primitive-names*):
  (*effect-free-primitives*):
  (*effect+exception-free-primitives*): Add bytevector?, keyword?, and
  bitvector?.

* module/oop/goops.scm (<keyword>): New class.

* module/system/base/types.scm (%tc7-keyword, cell->object): Add cases.

* module/system/vm/assembler.scm (br-if-keyword): New definition.
* module/system/vm/disassembler.scm (code-annotation): Add br-if-tc7
  case for keywords.

* test-suite/tests/types.test ("clonable objects"): Update now that
  keywords are cloneable.
2015-01-22 13:03:11 +01:00

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/* Copyright (C) 1998,1999,2000,2001,2002,2003, 2006, 2008, 2009, 2010, 2011, 2012, 2013, 2015 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "libguile/_scm.h"
#include "libguile/eval.h"
#include "libguile/fluids.h"
#include "libguile/modules.h"
#include "libguile/validate.h"
#include "libguile/evalext.h"
SCM_DEFINE (scm_defined_p, "defined?", 1, 1, 0,
(SCM sym, SCM module),
"Return @code{#t} if @var{sym} is defined in the module "
"@var{module} or the current module when @var{module} is not"
"specified.")
#define FUNC_NAME s_scm_defined_p
{
SCM var;
SCM_VALIDATE_SYMBOL (1, sym);
if (SCM_UNBNDP (module))
module = scm_current_module ();
else
SCM_VALIDATE_MODULE (2, module);
var = scm_module_variable (module, sym);
return (scm_is_false (var) || SCM_UNBNDP (SCM_VARIABLE_REF (var))
? SCM_BOOL_F
: SCM_BOOL_T);
}
#undef FUNC_NAME
SCM_DEFINE (scm_self_evaluating_p, "self-evaluating?", 1, 0, 0,
(SCM obj),
"Return #t for objects which Guile considers self-evaluating")
#define FUNC_NAME s_scm_self_evaluating_p
{
switch (SCM_ITAG3 (obj))
{
case scm_tc3_int_1:
case scm_tc3_int_2:
/* inum */
return SCM_BOOL_T;
case scm_tc3_imm24:
/* characters, booleans, other immediates */
return scm_from_bool (!scm_is_null_and_not_nil (obj));
case scm_tc3_cons:
switch (SCM_TYP7 (obj))
{
case scm_tc7_vector:
case scm_tc7_wvect:
case scm_tc7_pointer:
case scm_tc7_hashtable:
case scm_tc7_weak_set:
case scm_tc7_weak_table:
case scm_tc7_fluid:
case scm_tc7_dynamic_state:
case scm_tc7_frame:
case scm_tc7_keyword:
case scm_tc7_vm_cont:
case scm_tc7_number:
case scm_tc7_string:
case scm_tc7_smob:
case scm_tc7_program:
case scm_tc7_bytevector:
case scm_tc7_array:
case scm_tc7_bitvector:
case scm_tcs_struct:
return SCM_BOOL_T;
default:
return SCM_BOOL_F;
}
}
SCM_MISC_ERROR ("Internal error: Object ~S has unknown type",
scm_list_1 (obj));
return SCM_UNSPECIFIED; /* never reached */
}
#undef FUNC_NAME
void
scm_init_evalext ()
{
#include "libguile/evalext.x"
}
/*
Local Variables:
c-file-style: "gnu"
End:
*/