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-- This file is part of SmartEiffel The GNU Eiffel Compiler Tools and Libraries
--
-- SmartEiffel 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.
-- SmartEiffel 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 SmartEiffel; see the file COPYING. If not, write to
-- the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
-- MA 02111-1307, USA.
--
-- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P.
-- - University of Nancy 1 - FRANCE
-- Copyright(C) 2003: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne
-- - University of Nancy 2 - FRANCE
--
-- Dominique COLNET, Suzanne COLLIN, Olivier ZENDRA,
-- Philippe RIBET, Cyril ADRIAN
--
-- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
--
class CALL_PREFIX_MINUS
--
-- Prefix operator : "-".
--
inherit CALL_PREFIX redefine compile_to_c end
creation make, with
feature
precedence: INTEGER is 11
side_effect_free: BOOLEAN is False
operator: STRING is
do
Result := as_minus
end
isa_dca_inline_argument: INTEGER is
do
if result_type.is_integer then
Result := target.isa_dca_inline_argument
end
end
dca_inline_argument(formal_arg_type: E_TYPE) is
do
cpp.put_character('-')
cpp.put_character('(')
target.dca_inline_argument(formal_arg_type)
cpp.put_character(')')
end
simplify_1_: EXPRESSION is
local
ic: INTEGER_CONSTANT; v, r: INTEGER_64
do
ic ?= target
if ic = Void then
Result := Current
else
v := ic.value_memory
r := -v
if v < 0 and then r < 0 then
error_handler.append(integer_constant_overflow)
error_handler.add_position(feature_name.start_position)
error_handler.print_as_fatal_error
end
create {INTEGER_CONSTANT}
Result.make(r, feature_name.start_position)
end
end
compile_to_c is
do
if ace.boost and then
run_feature.current_type.is_basic_eiffel_expanded then
cpp.put_character('-')
cpp.put_character('(')
target.compile_to_c
cpp.put_character(')')
else
call_proc_call_c2c
end
end
compile_to_jvm is
do
call_proc_call_c2jvm
end
jvm_branch_if_false: INTEGER is
do
Result := jvm_standard_branch_if_false
end
jvm_branch_if_true: INTEGER is
do
Result := jvm_standard_branch_if_true
end
feature {CALL_PREFIX_MINUS_VISITOR}
accept(visitor: CALL_PREFIX_MINUS_VISITOR) is
do
visitor.visit_call_prefix_minus(Current)
end
feature {NONE}
make(operator_position: POSITION; rp: like target) is
require
not operator_position.is_unknown
rp /= Void
do
create feature_name.prefix_name(operator,operator_position)
target := rp
ensure
start_position = operator_position
target = rp
end
end -- CALL_PREFIX_MINUS
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