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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/tint/lang/spirv/reader/construct.h"
namespace tint::reader::spirv {
Construct::Construct(const Construct* the_parent,
int the_depth,
Kind the_kind,
uint32_t the_begin_id,
uint32_t the_end_id,
uint32_t the_begin_pos,
uint32_t the_end_pos,
uint32_t the_scope_end_pos)
: parent(the_parent),
enclosing_loop(
// Compute the enclosing loop construct. Doing this in the
// constructor member list lets us make the member const.
// Compare parent depth because loop and continue are siblings and
// it's incidental which will appear on the stack first.
the_kind == kLoop
? this
: ((parent && parent->depth < the_depth) ? parent->enclosing_loop : nullptr)),
enclosing_continue(
// Compute the enclosing continue construct. Doing this in the
// constructor member list lets us make the member const.
// Compare parent depth because loop and continue are siblings and
// it's incidental which will appear on the stack first.
the_kind == kContinue
? this
: ((parent && parent->depth < the_depth) ? parent->enclosing_continue : nullptr)),
enclosing_loop_or_continue_or_switch(
// Compute the enclosing loop or continue or switch construct.
// Doing this in the constructor member list lets us make the
// member const.
// Compare parent depth because loop and continue are siblings and
// it's incidental which will appear on the stack first.
(the_kind == kLoop || the_kind == kContinue || the_kind == kSwitchSelection)
? this
: ((parent && parent->depth < the_depth)
? parent->enclosing_loop_or_continue_or_switch
: nullptr)),
depth(the_depth),
kind(the_kind),
begin_id(the_begin_id),
end_id(the_end_id),
begin_pos(the_begin_pos),
end_pos(the_end_pos),
scope_end_pos(the_scope_end_pos) {}
} // namespace tint::reader::spirv