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// Copyright 2024 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "langsvr/lsp/primitives.h"
#include "src/tint/lang/wgsl/ls/server.h"
#include "src/tint/lang/wgsl/ast/identifier.h"
#include "src/tint/lang/wgsl/ast/module.h"
#include "src/tint/lang/wgsl/ast/variable.h"
#include "src/tint/lang/wgsl/ls/utils.h"
#include "src/tint/lang/wgsl/sem/struct.h"
#include "src/tint/lang/wgsl/sem/variable.h"
namespace lsp = langsvr::lsp;
namespace tint::wgsl::ls {
typename lsp::TextDocumentInlayHintRequest::ResultType //
Server::Handle(const lsp::TextDocumentInlayHintRequest& r) {
auto file = files_.Get(r.text_document.uri);
if (!file) {
return lsp::Null{};
}
std::vector<lsp::InlayHint> hints;
auto& program = (*file)->program;
for (auto* decl : program.AST().TypeDecls()) {
if (auto* str = program.Sem().Get<sem::Struct>(decl)) {
if (!str->UsedAs(core::AddressSpace::kStorage) &&
!str->UsedAs(core::AddressSpace::kUniform)) {
continue;
}
for (auto* member : str->Members()) {
auto pos = (*file)->Conv(member->Declaration()->name->source.range.begin);
auto add = [&](std::string text) {
lsp::InlayHint hint;
hint.position = pos;
hint.label = text;
hint.padding_left = true;
hint.padding_right = true;
hints.push_back(hint);
};
add("offset: " + std::to_string(member->Offset()));
add("size: " + std::to_string(member->Size()));
}
}
}
for (auto* node : program.ASTNodes().Objects()) {
if (auto* decl = node->As<ast::Variable>()) {
if (!decl->type) {
if (auto* variable = program.Sem().Get(decl); variable && variable->Type()) {
lsp::InlayHint hint;
hint.position = (*file)->Conv(decl->name->source.range.end);
hint.label = " : " + variable->Type()->UnwrapRef()->FriendlyName();
hints.push_back(hint);
}
}
}
}
if (hints.empty()) {
return lsp::Null{};
}
return std::move(hints);
}
} // namespace tint::wgsl::ls