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character_constant.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 CHARACTER_CONSTANT
--
-- For Manifest Constant CHARACTER.
--
inherit BASE_TYPE_CONSTANT redefine to_integer end;
creation make
feature
value: CHARACTER;
feature
pretty_print_mode: INTEGER;
std_pretty_print: INTEGER is 0;
percent_pretty_print: INTEGER is 1;
ascii_pretty_print: INTEGER is 2;
c_simple: BOOLEAN is true;
is_static: BOOLEAN is true;
feature {NONE}
make(sp: like start_position; v: like value;
pm: like pretty_print_mode) is
require
sp /= Void;
do
start_position := sp;
value := v;
set_pretty_print_mode(pm);
ensure
start_position = sp;
value = v;
pretty_print_mode = pm;
end;
feature
static_result_base_class: BASE_CLASS is
do
Result := small_eiffel.get_class(as_character);
end;
static_value, to_integer: INTEGER is
do
Result := value.code;
end;
compile_to_c is
do
cpp.put_character('%'');
if value.is_letter or else value.is_digit then
cpp.put_character(value);
elseif value = '%N' then
cpp.put_character('\');
cpp.put_character('n');
else
cpp.put_character('\');
cpp.put_integer(value.code.to_octal);
end;
cpp.put_character('%'');
end;
compile_to_jvm, compile_target_to_jvm is
do
code_attribute.opcode_push_integer(value.code);
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
Result := standard_compile_to_jvm_into(dest);
end;
set_pretty_print_mode(pm: like pretty_print_mode) is
require
pm = std_pretty_print or else
pm = percent_pretty_print or else
pm = ascii_pretty_print
do
pretty_print_mode := pm;
ensure
pretty_print_mode = pm;
end;
to_string: STRING is
do
!!Result.make(0);
Result.extend('%'');
inspect
pretty_print_mode
when std_pretty_print then
Result.extend(value);
when percent_pretty_print then
character_coding(value,Result);
when ascii_pretty_print then
Result.extend('%%');
Result.extend('/');
value.code.append_in(Result);
Result.extend('/');
end;
Result.extend('%'');
end;
result_type: TYPE_CHARACTER is
once
!!Result.make(Void);
end;
end -- CHARACTER_CONSTANT