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address_of.e
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1999-06-05
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-- This file is part of SmallEiffel The GNU Eiffel Compiler.
-- Copyright (C) 1994-98 LORIA - UHP - CRIN - INRIA - FRANCE
-- Dominique COLNET and Suzanne COLLIN - colnet@loria.fr
-- http://SmallEiffel.loria.fr
-- SmallEiffel is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the Free
-- Software Foundation; either version 2, or (at your option) any later
-- version. SmallEiffel 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 General Public License
-- for more details. You should have received a copy of the GNU General
-- Public License along with SmallEiffel; see the file COPYING. If not,
-- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-- Boston, MA 02111-1307, USA.
--
class ADDRESS_OF
--
-- For the special address form notation : $ feature_name
--
inherit EXPRESSION;
creation make
feature
feature_name: FEATURE_NAME;
feature {NONE}
current_type: TYPE;
feature {ADDRESS_OF_POOL}
run_feature: RUN_FEATURE;
-- Corresponding one when runnable.
feature
is_writable: BOOLEAN is false;
is_current: BOOLEAN is false;
is_static: BOOLEAN is false;
is_pre_computable: BOOLEAN is false;
is_result: BOOLEAN is false;
is_void: BOOLEAN is false;
is_manifest_string: BOOLEAN is false;
isa_dca_inline_argument: INTEGER is 0;
use_current: BOOLEAN is true;
can_be_dropped: BOOLEAN is false;
c_simple: BOOLEAN is true;
feature {NONE}
make(fn: like feature_name) is
require
fn /= Void
do
feature_name := fn;
ensure
feature_name = fn;
end;
feature
static_result_base_class: BASE_CLASS is
do
Result := small_eiffel.get_class(as_pointer);
end;
static_value: INTEGER is
do
end;
dca_inline_argument(formal_arg_type: TYPE) is
do
end;
result_type: TYPE_POINTER is
do
Result := type_pointer;
end;
assertion_check(tag: CHARACTER) is
do
end;
afd_check is
do
end;
compile_target_to_jvm, compile_to_jvm is
do
eh.add_position(start_position);
fatal_error(fz_jvm_error);
end;
jvm_branch_if_false: INTEGER is
do
end;
jvm_branch_if_true: INTEGER is
do
end;
compile_to_jvm_into(dest: TYPE): INTEGER is
do
end;
collect_c_tmp is
do
end;
compile_to_c is
do
cpp.put_string("/*$*/((void*)");
run_feature.address_of_c_mapping;
cpp.put_character(')');
end;
frozen mapping_c_target(target_type: TYPE) is
do
compile_to_c;
end;
frozen mapping_c_arg(formal_arg_type: TYPE) is
do
compile_to_c;
end;
c_declare_for_old is
do
end;
compile_to_c_old is
do
end;
compile_to_jvm_old is
do
end;
to_runnable(ct: TYPE): like Current is
local
rc: RUN_CLASS;
bc: BASE_CLASS;
do
if current_type = Void then
current_type := ct;
rc := ct.run_class;
bc := ct.base_class;
if bc.has(feature_name) then
run_feature := rc.get_rf_with(feature_name);
address_of_pool.register_for(Current);
else
eh.add_position(feature_name.start_position);
eh.append(fz_vuar4);
eh.print_as_fatal_error;
end;
Result := Current;
else
!!Result.make(feature_name);
Result := Result.to_runnable(ct);
end;
end;
precedence: INTEGER is
do
Result := atomic_precedence;
end;
start_position: POSITION is
do
Result := feature_name.start_position;
end;
pretty_print is
do
fmt.put_character('%D');
feature_name.pretty_print;
end;
print_as_target is
do
error(start_position,"ADDRESS_OF/does_not_understand");
end;
bracketed_pretty_print is
do
fmt.put_character('(');
pretty_print;
fmt.put_character(')');
end;
short is
do
short_print.a_character('%D');
feature_name.short;
end;
short_target is
do
bracketed_short;
short_print.a_dot;
end;
jvm_assign is
do
end;
invariant
feature_name /= Void
end -- ADDRESS_OF