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/*
* Copyright 2017 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.
*/
#ifndef wasm_ir_import_h
#define wasm_ir_import_h
#include "literal.h"
#include "wasm.h"
namespace wasm {
// Collects info on imports, into a form convenient for summarizing
// and searching.
struct ImportInfo {
Module& wasm;
std::vector<Global*> importedGlobals;
std::vector<Function*> importedFunctions;
std::vector<Table*> importedTables;
std::vector<Memory*> importedMemories;
std::vector<Tag*> importedTags;
ImportInfo(Module& wasm) : wasm(wasm) {
for (auto& import : wasm.globals) {
if (import->imported()) {
importedGlobals.push_back(import.get());
}
}
for (auto& import : wasm.functions) {
if (import->imported()) {
importedFunctions.push_back(import.get());
}
}
for (auto& import : wasm.tables) {
if (import->imported()) {
importedTables.push_back(import.get());
}
}
for (auto& import : wasm.memories) {
if (import->imported()) {
importedMemories.push_back(import.get());
}
}
for (auto& import : wasm.tags) {
if (import->imported()) {
importedTags.push_back(import.get());
}
}
}
Global* getImportedGlobal(Name module, Name base) {
for (auto* import : importedGlobals) {
if (import->module == module && import->base == base) {
return import;
}
}
return nullptr;
}
Function* getImportedFunction(Name module, Name base) {
for (auto* import : importedFunctions) {
if (import->module == module && import->base == base) {
return import;
}
}
return nullptr;
}
Tag* getImportedTag(Name module, Name base) {
for (auto* import : importedTags) {
if (import->module == module && import->base == base) {
return import;
}
}
return nullptr;
}
Index getNumImportedGlobals() { return importedGlobals.size(); }
Index getNumImportedFunctions() { return importedFunctions.size(); }
Index getNumImportedTables() { return importedTables.size(); }
Index getNumImportedMemories() { return importedMemories.size(); }
Index getNumImportedTags() { return importedTags.size(); }
Index getNumImports() {
return getNumImportedGlobals() + getNumImportedFunctions() +
getNumImportedTags() + getNumImportedMemories() +
getNumImportedTables();
}
Index getNumDefinedGlobals() {
return wasm.globals.size() - getNumImportedGlobals();
}
Index getNumDefinedFunctions() {
return wasm.functions.size() - getNumImportedFunctions();
}
Index getNumDefinedTables() {
return wasm.tables.size() - getNumImportedTables();
}
Index getNumDefinedMemories() {
return wasm.memories.size() - getNumImportedMemories();
}
Index getNumDefinedTags() { return wasm.tags.size() - getNumImportedTags(); }
};
} // namespace wasm
#endif // wasm_ir_import_h
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