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/*
* Copyright 2024 WebAssembly Community Group participants
*
* 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 "wat-parser-internal.h"
namespace wasm::WATParser {
Result<> parseTypeDefs(
ParseDeclsCtx& decls,
Lexer& input,
IndexMap& typeIndices,
std::vector<HeapType>& types,
std::unordered_map<HeapType, std::unordered_map<Name, Index>>& typeNames) {
TypeBuilder builder(decls.typeDefs.size());
ParseTypeDefsCtx ctx(input, builder, typeIndices);
for (auto& recType : decls.recTypeDefs) {
WithPosition with(ctx, recType.pos);
CHECK_ERR(rectype(ctx));
}
auto built = builder.build();
if (auto* err = built.getError()) {
std::stringstream msg;
msg << "invalid type: " << err->reason;
return ctx.in.err(decls.typeDefs[err->index].pos, msg.str());
}
types = *built;
// Record type names on the module and in typeNames.
for (size_t i = 0; i < types.size(); ++i) {
auto& names = ctx.names[i];
auto& fieldNames = names.fieldNames;
if (names.name.is() || fieldNames.size()) {
decls.wasm.typeNames.insert({types[i], names});
auto& fieldIdxMap = typeNames[types[i]];
for (auto [idx, name] : fieldNames) {
fieldIdxMap.insert({name, idx});
}
}
}
return Ok{};
}
} // namespace wasm::WATParser
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