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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_INFIX_OR_ELSE
--
-- Infix operator : "or else".
--
inherit CALL_INFIX1
creation make, with
feature
precedence: INTEGER is 4
left_brackets: BOOLEAN is False
operator: STRING is
do
Result := as_or_else
end
isa_dca_inline_argument: INTEGER is
do
end
dca_inline_argument(formal_arg_type: E_TYPE) is
do
end
simplify_1_: EXPRESSION is
local
bc1: BOOLEAN_CONSTANT
do
bc1 ?= target
if bc1 = Void then
Result := Current
elseif bc1.value then
create {E_TRUE} Result.make(feature_name.start_position)
else
Result := arg1
end
end
compile_to_c is
do
call_proc_call_c2c
end
compile_to_jvm is
local
point1, point2: INTEGER
do
target.compile_to_jvm
point1 := code_attribute.opcode_ifne
arg1.compile_to_jvm
point2 := code_attribute.opcode_goto
code_attribute.resolve_u2_branch(point1)
code_attribute.opcode_iconst_1
code_attribute.resolve_u2_branch(point2)
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_INFIX_OR_ELSE_VISITOR}
accept(visitor: CALL_INFIX_OR_ELSE_VISITOR) is
do
visitor.visit_call_infix_or_else(Current)
end
feature {NONE}
make(lp: like target; operator_position: POSITION; rp: like arg1) is
require
lp /= Void
not operator_position.is_unknown
rp /= Void
do
target := lp
create feature_name.infix_name(operator,operator_position)
create arguments.make_1(rp)
ensure
target = lp
start_position = operator_position
arguments.first = rp
end
end -- CALL_INFIX_OR_ELSE
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