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type_ref_to_exp.e
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1999-06-05
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10KB
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418 lines
-- This file is part of SmallEiffel The GNU Eiffel Compiler.
-- Copyright (C) 1994-98 LORIA - UHP - CRIN - INRIA - FRANCE
-- Dominique COLNET and Suzanne COLLIN - colnet@loria.fr
-- http://SmallEiffel.loria.fr
-- SmallEiffel 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. SmallEiffel 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 SmallEiffel; see the file COPYING. If not,
-- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-- Boston, MA 02111-1307, USA.
--
class TYPE_REF_TO_EXP
inherit TYPE;
creation {RUN_CLASS} make
feature
run_class: RUN_CLASS;
written_mark: STRING;
feature {NONE}
expanded_type: TYPE;
-- The corresponding one.
make(model: TYPE) is
require
model.is_expanded;
model.run_type = model
do
expanded_type := model;
tmp_string.copy("_ref_");
tmp_string.append(model.run_time_mark);
written_mark := string_aliaser.item(tmp_string);
run_class := small_eiffel.run_class(Current)
run_class.set_at_run_time;
ensure
run_class.at_run_time
end;
feature
is_run_type: BOOLEAN is true;
is_expanded: BOOLEAN is false;
is_reference: BOOLEAN is true;
is_none: BOOLEAN is false;
is_any: BOOLEAN is false;
is_basic_eiffel_expanded: BOOLEAN is false;
is_user_expanded: BOOLEAN is false;
is_dummy_expanded: BOOLEAN is false;
need_gc_mark_function: BOOLEAN is true;
need_c_struct: BOOLEAN is true;
is_array: BOOLEAN is false;
is_like_current: BOOLEAN is false;
is_like_argument: BOOLEAN is false;
is_like_feature: BOOLEAN is false;
jvm_method_flags: INTEGER is 17;
static_base_class_name: CLASS_NAME is
do
Result := expanded_type.static_base_class_name;
end;
id: INTEGER is
do
Result := run_class.id;
end;
used_as_reference is
do
end;
to_reference is
do
end;
start_position: POSITION is
do
end;
is_generic: BOOLEAN is
do
Result := expanded_type.is_generic;
end;
run_type: TYPE is
do
Result := Current;
end;
generic_list: ARRAY[TYPE] is
do
Result := expanded_type.generic_list;
end;
run_time_mark: STRING is
do
Result := written_mark;
end;
base_class_name: CLASS_NAME is
do
Result := expanded_type.base_class_name;
end;
to_runnable(ct: TYPE): like Current is
do
Result := Current;
end;
is_a(other: TYPE): BOOLEAN is
do
if other.run_time_mark /= expanded_type.run_time_mark then
Result := expanded_type.is_a(other);
else
eh.add_type(Current,fz_inako);
eh.add_type(other,fz_dot);
end;
end;
has_creation(fn: FEATURE_NAME): BOOLEAN is
do
end;
smallest_ancestor(other: TYPE): TYPE is
do
fatal_error("TYPE_REF_TO_EXP Not Yet Implemented #1");
end;
just_before_gc_mark_in(str: STRING) is
do
standard_just_before_gc_mark_in(str);
end;
gc_info_in(str: STRING) is
do
standard_gc_info_in(str);
end;
gc_define1 is
do
standard_gc_define1;
end;
gc_define2 is
do
standard_gc_define2;
end;
space_for_variable: INTEGER is
do
Result := space_for_pointer;
end;
expanded_initializer: RUN_FEATURE_3 is
do
end;
c_type_for_argument_in(str: STRING) is
do
str.append(fz_t0_star);
end;
c_type_for_target_in(str: STRING) is
do
str.extend('T');
id.append_in(str);
str.extend('*');
end;
c_type_for_result_in(str: STRING) is
do
str.append(fz_t0_star);
end;
c_header_pass1 is
do
standard_c_typedef;
end;
c_header_pass2 is
do
end;
c_header_pass3 is
do
end;
c_header_pass4 is
local
rc: RUN_CLASS;
mem_id: INTEGER;
do
expanded_type.run_class.c_header_pass4;
rc := run_class;
mem_id := rc.id;
-- C struct :
tmp_string.copy(fz_struct);
tmp_string.extend('S');
mem_id.append_in(tmp_string);
tmp_string.append("{int id;T");
expanded_type.id.append_in(tmp_string);
tmp_string.append(" _item;};%N");
cpp.put_string(tmp_string);
-- Model :
tmp_string.clear;
tmp_string.extend('T');
mem_id.append_in(tmp_string);
tmp_string.extend(' ');
tmp_string.extend('M');
mem_id.append_in(tmp_string);
cpp.put_extern7(tmp_string);
cpp.swap_on_c;
tmp_string.clear;
tmp_string.extend('{');
mem_id.append_in(tmp_string);
tmp_string.extend(',');
expanded_type.run_class.c_object_model_in(tmp_string);
tmp_string.extend('}');
tmp_string.append(fz_00);
cpp.put_string(tmp_string);
cpp.swap_on_h;
-- Print function :
if run_control.no_check then
header.copy("void se_prinT");
mem_id.append_in(header);
header.append("(T");
mem_id.append_in(header);
header.append("**o)");
body.copy("if(*o==NULL){%N%
%printf(%"Void%");%Nreturn;%N}%N%
%printf(%"");
body.append(written_mark);
body.append("%");%N%
%printf(%"#%%p%",*o);%N%
%printf(%"[%");%N%
%printf(%"\n\t%");%N%
%printf(%"item = %");%N%
%se_prinT");
expanded_type.id.append_in(body);
body.append("((void*)(&((*o)->_item)));%N%
%printf(%"\n\t]%");");
cpp.put_c_function(header,body);
end;
end;
c_initialize is
do
cpp.put_string(fz_null);
end;
c_initialize_in(str: STRING) is
do
str.append(fz_null);
end;
feature
jvm_descriptor_in(str: STRING) is
do
str.append(jvm_root_descriptor);
end;
jvm_target_descriptor_in(str: STRING) is
do
end;
jvm_return_code is
do
code_attribute.opcode_areturn;
end;
jvm_check_class_invariant is
do
standard_jvm_check_class_invariant;
end;
jvm_push_local(offset: INTEGER) is
do
code_attribute.opcode_aload(offset);
end;
jvm_push_default: INTEGER is
do
Result := 1;
code_attribute.opcode_aconst_null;
end;
jvm_write_local(offset: INTEGER) is
do
code_attribute.opcode_astore(offset);
end;
jvm_xnewarray is
local
idx: INTEGER;
do
idx := constant_pool.idx_jvm_root_class;
code_attribute.opcode_anewarray(idx);
end;
jvm_xastore is
do
code_attribute.opcode_aastore;
end;
jvm_xaload is
do
code_attribute.opcode_aaload;
end;
jvm_if_x_eq: INTEGER is
do
Result := code_attribute.opcode_if_acmpeq;
end;
jvm_if_x_ne: INTEGER is
do
Result := code_attribute.opcode_if_acmpne;
end;
jvm_to_reference is
do
end;
jvm_expanded_from_reference(other: TYPE): INTEGER is
do
check
false
end;
end;
jvm_convert_to(destination: TYPE): INTEGER is
do
check
destination.is_reference;
end;
Result := 1;
end;
jvm_standard_is_equal is
local
ca: like code_attribute;
cp: like constant_pool;
idx: INTEGER;
do
ca := code_attribute;
cp := constant_pool;
idx := jvm_item_field_idx;
run_class.opcode_checkcast;
ca.opcode_getfield(idx,0);
ca.opcode_swap;
run_class.opcode_checkcast;
ca.opcode_getfield(idx,0);
expanded_type.jvm_standard_is_equal;
end;
feature {NONE}
jvm_item_field_idx: INTEGER is
local
c, n, t: INTEGER;
cp: like constant_pool;
do
cp := constant_pool;
c := run_class.jvm_constant_pool_index;
n := cp.idx_utf8(as_item);
tmp_string.clear;
expanded_type.jvm_descriptor_in(tmp_string);
t := cp.idx_utf8(tmp_string);
Result := cp.idx_fieldref5(c,n,t);
end;
feature
short_hook is
do
expanded_type.short_hook;
end;
feature {RUN_CLASS}
jvm_prepare_item_field is
local
name_idx, descriptor: INTEGER;
cp: like constant_pool;
do
cp := constant_pool;
name_idx := cp.idx_utf8(as_item);
tmp_string.clear;
expanded_type.jvm_descriptor_in(tmp_string);
descriptor := cp.idx_utf8(tmp_string);
field_info.add(1,name_idx,descriptor);
end;
end -- TYPE_REF_TO_EXP