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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 PROC_CALL_1
--
-- For a procedure call with only one argument.
--
inherit PROC_CALL redefine use_current end
creation make
feature
arguments: EFFECTIVE_ARG_LIST
arg_count: INTEGER is 1
arg1: EXPRESSION is
do
Result := arguments.first
end
to_runnable(ct: E_TYPE): INSTRUCTION is
local
type_of_agent: TYPE_OF_AGENT; rc: RUN_CLASS
do
if current_type = Void then
current_type := ct
runnable_target(ct)
type_of_agent ?= target.result_type.run_type
if type_of_agent /= Void then
rc := type_of_agent.run_class
run_feature := rc.agent_feature_for(type_of_agent, feature_name)
arguments := arguments.tuple_substitution
else
run_feature_for(ct)
end
arguments := runnable_arguments(ct)
debug debug_info_update end
if type_of_agent /= Void then
create {AGENT_INSTRUCTION} Result.make(Current)
else
run_feature_match
Result := Current.set_item_special
end
else
create {PROC_CALL_1} Result.make(target,feature_name,arguments)
Result := Result.to_runnable(ct)
end
end
simplify_2(container: COMPOUND; index: INTEGER) is
local
rf: RUN_FEATURE; run_time_set: RUN_TIME_SET
do
if ace.no_check then
-- Do nothing in order to track Void target as well.
elseif target.side_effect_free and then arg1.side_effect_free then
if smart_eiffel.status >= 4 then
rf := run_feature
run_time_set := rf.run_class.run_time_set
if run_time_set.count = 1 then
rf := run_time_set.first.dynamic(rf)
if rf.side_effect_free then
container.remove(index)
end
end
end
end
end
compile_to_jvm is
do
if as_c_inline_c = feature_name.to_string then
error_handler.add_position(start_position)
fatal_error(
"Cannot use %"c_inline_c%" to produce Java byte code.")
else
call_proc_call_c2jvm
end
end
use_current: BOOLEAN is
local
ms: MANIFEST_STRING
s: STRING
do
if as_c_inline_c = feature_name.to_string then
ms ?= arg1
if ms /= Void then
s := ms.to_string
Result := s.has('C')
end
else
Result := standard_use_current
end
end
pretty_print is
do
target.print_as_target
pretty_printer.put_string(feature_name.to_string)
pretty_printer.put_character('(')
arg1.pretty_print
pretty_printer.put_character(')')
if pretty_printer.semi_colon_flag then
pretty_printer.put_character(';')
end
end
feature {CREATE_TOOLS, PROC_CALL}
runnable_create(ct: E_TYPE; w: like target; a: like arguments
rf: RUN_FEATURE): like Current is
do
if current_type = Void then
current_type := ct
target := w
arguments := a
run_feature := rf
Result := Current
debug debug_info_update end
else
create Result.make(target,feature_name,arguments)
Result := Result.runnable_create(ct,w,a,rf)
end
end
feature {PROC_CALL_1_VISITOR}
accept(visitor: PROC_CALL_1_VISITOR) is
do
visitor.visit_proc_call_1(Current)
end
feature {NONE}
make(t: like target; fn: like feature_name; a: like arguments) is
require
t /= Void
fn /= Void
a /= Void
do
target := t
feature_name := fn
arguments := a
ensure
target = t
feature_name = fn
arguments = a
end
run_feature_match is
do
run_feature_has_no_result
smart_eiffel.argument_passing_check(feature_name.start_position,
arguments,run_feature)
end
set_item_special: INSTRUCTION is
-- Replace `set_item' valid calls by a simple assignment.
local
rf: RUN_FEATURE; rf3: RUN_FEATURE_3
do
rf := run_feature
if rf.current_type.is_basic_eiffel_expanded and then
rf.name.to_string = as_set_item
then -- The special case of `set_item' on basic expanded.
if not target.is_writable then
error_handler.add_position(target.start_position)
error_handler.append("Cannot apply `set_item' on this %
%non-writable entity.")
error_handler.print_as_fatal_error
end
-- `Current' is magically replaced with an assignment:
create {ASSIGNMENT} Result.make(target, arg1)
-- To avoid wrong code generation:
rf3 ?= rf
rf3.no_definition
else
Result := Current
end
end
invariant
arguments.count = 1
end -- PROC_CALL_1
|
