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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_WASM_MODULE_RUNNER_H_
#define V8_WASM_MODULE_RUNNER_H_
#include "src/isolate.h"
#include "src/objects.h"
#include "src/wasm/wasm-interpreter.h"
#include "src/wasm/wasm-module.h"
#include "src/wasm/wasm-objects.h"
#include "src/wasm/wasm-result.h"
#include "src/zone/zone.h"
namespace v8 {
namespace internal {
template <typename T>
class Handle;
namespace wasm {
namespace testing {
// Decodes the given encoded module.
std::unique_ptr<WasmModule> DecodeWasmModuleForTesting(
Isolate* isolate, ErrorThrower* thrower, const byte* module_start,
const byte* module_end, ModuleOrigin origin, bool verify_functions = false);
// Returns a MaybeHandle to the JsToWasm wrapper of the wasm function exported
// with the given name by the provided instance.
MaybeHandle<WasmExportedFunction> GetExportedFunction(
Isolate* isolate, Handle<WasmInstanceObject> instance, const char* name);
// Call an exported wasm function by name. Returns -1 if the export does not
// exist or throws an error. Errors are cleared from the isolate before
// returning.
int32_t CallWasmFunctionForTesting(Isolate* isolate,
Handle<WasmInstanceObject> instance,
ErrorThrower* thrower, const char* name,
int argc, Handle<Object> argv[]);
// Interprets an exported wasm function by name. Returns false if it was not
// possible to execute the function (e.g. because it does not exist), or if the
// interpretation does not finish after kMaxNumSteps. Otherwise returns true.
// The arguments array is extended with default values if necessary.
bool InterpretWasmModuleForTesting(Isolate* isolate,
Handle<WasmInstanceObject> instance,
const char* name, size_t argc,
WasmValue* args);
// Decode, verify, and run the function labeled "main" in the
// given encoded module. The module should have no imports.
int32_t CompileAndRunWasmModule(Isolate* isolate, const byte* module_start,
const byte* module_end);
// Decode, compile, and instantiate the given module with no imports.
MaybeHandle<WasmInstanceObject> CompileAndInstantiateForTesting(
Isolate* isolate, ErrorThrower* thrower, const ModuleWireBytes& bytes);
// Interprets the given module, starting at the function specified by
// {function_index}. The return type of the function has to be int32. The module
// should not have any imports or exports
int32_t InterpretWasmModule(Isolate* isolate,
Handle<WasmInstanceObject> instance,
ErrorThrower* thrower, int32_t function_index,
WasmValue* args, bool* possible_nondeterminism);
// Runs the module instance with arguments.
int32_t RunWasmModuleForTesting(Isolate* isolate,
Handle<WasmInstanceObject> instance, int argc,
Handle<Object> argv[]);
// Install function map, module symbol for testing
void SetupIsolateForWasmModule(Isolate* isolate);
} // namespace testing
} // namespace wasm
} // namespace internal
} // namespace v8
#endif // V8_WASM_MODULE_RUNNER_H_
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