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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 TYPE_BOOLEAN
--
-- For BOOLEAN declaration :
-- foo: BOOLEAN
--
inherit TYPE_BASIC_EIFFEL_EXPANDED
creation make
feature
id: INTEGER is 6
is_boolean: BOOLEAN is true
is_integer,
is_character,
is_pointer,
is_real,
is_double: BOOLEAN is false
c_sizeof: INTEGER is
do
Result := (true).object_size
end
smallest_ancestor(other: E_TYPE): E_TYPE is
local
rto: E_TYPE
do
rto := other.run_type
if rto.is_boolean then
Result := Current
else
Result := smallest_ancestor_end_hook(rto)
end
end
is_a(other: E_TYPE): BOOLEAN is
do
if other.is_boolean then
Result := true
else
Result := is_a_end_hook(other.run_type)
end
if not Result then
error_handler.type_error(Current,other)
end
end
to_runnable(rt: E_TYPE): like Current is
do
Result := Current
load_run_class_once
end
written_mark, run_time_mark: STRING is
do
Result := as_boolean
end
c_type_for_argument_in(str: STRING) is
do
str.extend('T')
str.extend('6')
end
jvm_descriptor_in(str: STRING) is
do
str.extend('Z')
end
jvm_return_code is
do
code_attribute.opcode_ireturn
end
jvm_push_local(offset: INTEGER) is
do
code_attribute.opcode_iload(offset)
end
jvm_push_default: INTEGER is
do
code_attribute.opcode_iconst_0
Result := 1
end
jvm_write_local_creation, jvm_write_local(offset: INTEGER) is
do
code_attribute.opcode_istore(offset)
end
jvm_xnewarray is
do
code_attribute.opcode_newarray(4)
end
jvm_xastore is
do
code_attribute.opcode_bastore
end
jvm_xaload is
do
code_attribute.opcode_baload
end
jvm_if_x_eq: INTEGER is
do
Result := code_attribute.opcode_if_icmpeq
end
jvm_if_x_ne: INTEGER is
do
Result := code_attribute.opcode_if_icmpne
end
jvm_to_reference is
local
rc: RUN_CLASS; idx: INTEGER; ca: like code_attribute
do
ca := code_attribute
rc := actual_reference(Void).run_class
rc.jvm_basic_new
ca.opcode_dup_x1
ca.opcode_swap
idx := rc.jvm_constant_pool_index
idx := constant_pool.idx_fieldref4(idx,as_item,fz_73)
ca.opcode_putfield(idx,-2)
end
jvm_expanded_from_reference(other: E_TYPE): INTEGER is
local
rc: RUN_CLASS; idx: INTEGER; ca: like code_attribute
do
ca := code_attribute
rc := actual_reference(Void).run_class
rc.opcode_checkcast
idx := rc.jvm_constant_pool_index
idx := constant_pool.idx_fieldref4(idx,as_item,fz_73)
ca.opcode_getfield(idx,0)
Result := 1
end
jvm_convert_to(destination: E_TYPE): INTEGER is
do
if destination.is_reference then
jvm_to_reference
end
Result := 1
end
feature {TYPE_BOOLEAN_VISITOR}
accept(visitor: TYPE_BOOLEAN_VISITOR) is
do
visitor.visit_type_boolean(Current)
end
feature {NONE}
make(sp: like start_position) is
do
!!base_class_name.make(as_boolean,sp)
end
load_run_class_once is
once
if base_class /= Void then
if run_class = Void then
check false end
end
end
end
invariant
written_mark = as_boolean
end -- TYPE_BOOLEAN
|
