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local_name.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.
--
deferred class LOCAL_NAME
--
-- Handling of local variables.
--
inherit LOCAL_ARGUMENT;
feature
is_current: BOOLEAN is false;
is_writable: BOOLEAN is true;
isa_dca_inline_argument: INTEGER is 0;
feature
dca_inline_argument(formal_arg_type: TYPE) is
do
end;
frozen mapping_c_target(target_type: TYPE) is
local
flag: BOOLEAN;
rt: like result_type;
do
flag := cpp.call_invariant_start(target_type);
rt := result_type.run_type;
if rt.is_reference then
if target_type.is_reference then
-- Reference into Reference :
cpp.put_character('(');
cpp.put_character('(');
cpp.put_character('T');
cpp.put_integer(target_type.id);
cpp.put_character('*');
cpp.put_character(')');
compile_to_c;
cpp.put_character(')');
else
-- Reference into Expanded :
rt.to_expanded;
cpp.put_character('(');
compile_to_c;
cpp.put_character(')');
end;
elseif target_type.is_reference then
-- Expanded into Reference :
rt.to_reference;
cpp.put_character('(');
compile_to_c;
cpp.put_character(')');
else
-- Expanded into Expanded :
if rt.need_c_struct then
cpp.put_character('&');
end;
compile_to_c;
end;
if flag then
cpp.call_invariant_end;
end;
end;
frozen mapping_c_arg(formal_arg_type: TYPE) is
local
rt: like result_type;
do
rt := result_type.run_type;
if rt.is_reference then
if formal_arg_type.is_reference then
-- Reference into Reference :
compile_to_c;
else
-- Reference into Expanded :
rt.to_expanded;
cpp.put_character('(');
compile_to_c;
cpp.put_character(')');
end;
elseif formal_arg_type.is_reference then
-- Expanded into Reference :
rt.to_reference;
cpp.put_character('(');
compile_to_c;
cpp.put_character(')');
else
-- Expanded into Expanded :
if rt.need_c_struct then
cpp.put_character('&');
end;
compile_to_c;
end;
end;
compile_to_c is
do
cpp.print_local(to_string);
end;
compile_to_jvm is
local
jvm_offset: INTEGER;
do
jvm_offset := jvm.local_offset_of(Current);
result_type.run_type.jvm_push_local(jvm_offset);
end;
jvm_branch_if_false: INTEGER is
do
compile_to_jvm;
Result := code_attribute.opcode_ifeq;
end;
jvm_branch_if_true: INTEGER is
do
compile_to_jvm;
Result := code_attribute.opcode_ifne;
end;
compile_to_jvm_into(dest: TYPE): INTEGER is
do
Result := standard_compile_to_jvm_into(dest);
end;
frozen jvm_assign is
local
jvm_offset: INTEGER;
do
jvm_offset := jvm.local_offset_of(Current);
result_type.run_type.jvm_write_local(jvm_offset);
end;
frozen pretty_print is
do
fmt.put_string(to_string);
end;
feature {NONE}
tmp_string: STRING is
once
!!Result.make(256);
end;
end -- LOCAL_NAME