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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
--
deferred class CALL_INFIX
--
-- For all sort of infix operators (root of all CALL_INFIX_*).
--
inherit CALL_1 redefine print_as_target end
feature
extra_bracket_flag: BOOLEAN is True
left_brackets: BOOLEAN is
deferred
end
right_brackets: BOOLEAN is
do
Result := not left_brackets
end
operator: STRING is
deferred
ensure
Result.count >= 1
end
frozen simplify_2: EXPRESSION is
do
target := target.simplify_2
arguments.simplify_2
Result := simplify_1_
end
frozen short is
do
if target.precedence = atomic_precedence then
target.short
elseif precedence > target.precedence then
target.bracketed_short
elseif precedence < target.precedence then
target.short
elseif left_brackets then
target.bracketed_short
else
target.short
end
short_print_feature_name
if arg1.precedence = atomic_precedence then
arg1.short
elseif precedence > arg1.precedence then
arg1.bracketed_short
elseif precedence < arg1.precedence then
arg1.short
elseif right_brackets then
arg1.bracketed_short
else
arg1.short
end
end
frozen short_target is
do
bracketed_short
short_print.a_dot
end
frozen print_as_target is
do
pretty_printer.put_character('(')
pretty_print
pretty_printer.put_character(')')
pretty_printer.put_character('.')
end
frozen bracketed_pretty_print is
do
pretty_printer.put_character('(')
pretty_print
pretty_printer.put_character(')')
end
frozen pretty_print is
do
-- The `target' first:
if target.precedence = atomic_precedence then
target.pretty_print
elseif precedence > target.precedence then
target.bracketed_pretty_print
elseif precedence < target.precedence then
target.pretty_print
elseif left_brackets then
target.bracketed_pretty_print
else
target.pretty_print
end
-- The operator:
pretty_printer.put_character(' ')
feature_name.pretty_print
pretty_printer.put_character(' ')
-- The argument, `arg1':
if arg1.precedence = atomic_precedence then
arg1.pretty_print
elseif precedence > arg1.precedence then
arg1.bracketed_pretty_print
elseif precedence < arg1.precedence then
arg1.pretty_print
elseif right_brackets then
arg1.bracketed_pretty_print
else
arg1.pretty_print
end
end
feature {CALL_INFIX_VISITOR}
accept(visitor: CALL_INFIX_VISITOR) is
deferred
end
feature {NONE}
frozen short_print_feature_name is
do
short_print.a_infix_name("Binfix"," ","Ainfix"," ",feature_name)
end
frozen c2c_cast_op(cast, op: STRING) is
do
cpp.put_character('(')
cpp.put_character('(')
cpp.put_character('(')
cpp.put_string(cast)
cpp.put_character(')')
cpp.put_character('(')
target.compile_to_c
cpp.put_character(')')
cpp.put_character(')')
cpp.put_string(op)
cpp.put_character('(')
cpp.put_character('(')
cpp.put_string(cast)
cpp.put_character(')')
cpp.put_character('(')
arg1.compile_to_c
cpp.put_character(')')
cpp.put_character(')')
cpp.put_character(')')
end
invariant
feature_name.is_infix_name
end -- CALL_INFIX
|
