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/*
* Copyright 2016 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
*
*
* 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 WABT_EMSCRIPTEN_HELPERS_H_
#define WABT_EMSCRIPTEN_HELPERS_H_
#include <cstddef>
#include <algorithm>
#include <iterator>
#include <memory>
#include <utility>
#include <vector>
#include "wabt/apply-names.h"
#include "wabt/binary-reader-ir.h"
#include "wabt/binary-reader.h"
#include "wabt/binary-writer-spec.h"
#include "wabt/binary-writer.h"
#include "wabt/common.h"
#include "wabt/error-formatter.h"
#include "wabt/feature.h"
#include "wabt/filenames.h"
#include "wabt/generate-names.h"
#include "wabt/ir.h"
#include "wabt/stream.h"
#include "wabt/validator.h"
#include "wabt/wast-lexer.h"
#include "wabt/wast-parser.h"
#include "wabt/wat-writer.h"
using WabtOutputBufferPtr = std::unique_ptr<wabt::OutputBuffer>;
using WabtFilenameOutputBufferPair =
std::pair<std::string, WabtOutputBufferPtr>;
struct WabtParseWatResult {
wabt::Result result;
std::unique_ptr<wabt::Module> module;
};
struct WabtReadBinaryResult {
wabt::Result result;
std::unique_ptr<wabt::Module> module;
};
struct WabtWriteModuleResult {
wabt::Result result;
WabtOutputBufferPtr buffer;
WabtOutputBufferPtr log_buffer;
};
struct WabtWriteScriptResult {
wabt::Result result;
WabtOutputBufferPtr json_buffer;
WabtOutputBufferPtr log_buffer;
std::vector<WabtFilenameOutputBufferPair> module_buffers;
};
struct WabtParseWastResult {
wabt::Result result;
std::unique_ptr<wabt::Script> script;
};
extern "C" {
wabt::Features* wabt_new_features(void) {
return new wabt::Features();
}
void wabt_destroy_features(wabt::Features* f) {
delete f;
}
#define WABT_FEATURE(variable, flag, default_, help) \
bool wabt_##variable##_enabled(wabt::Features* f) { \
return f->variable##_enabled(); \
} \
void wabt_set_##variable##_enabled(wabt::Features* f, int enabled) { \
f->set_##variable##_enabled(enabled); \
}
#include "wabt/feature.def"
#undef WABT_FEATURE
wabt::WastLexer* wabt_new_wast_buffer_lexer(const char* filename,
const void* data,
size_t size,
wabt::Errors* errors) {
std::unique_ptr<wabt::WastLexer> lexer =
wabt::WastLexer::CreateBufferLexer(filename, data, size, errors);
return lexer.release();
}
WabtParseWatResult* wabt_parse_wat(wabt::WastLexer* lexer,
wabt::Features* features,
wabt::Errors* errors) {
wabt::WastParseOptions options(*features);
WabtParseWatResult* result = new WabtParseWatResult();
std::unique_ptr<wabt::Module> module;
result->result = wabt::ParseWatModule(lexer, &module, errors, &options);
result->module = std::move(module);
return result;
}
WabtParseWastResult* wabt_parse_wast(wabt::WastLexer* lexer,
wabt::Features* features,
wabt::Errors* errors) {
wabt::WastParseOptions options(*features);
WabtParseWastResult* result = new WabtParseWastResult();
std::unique_ptr<wabt::Script> script;
result->result = wabt::ParseWastScript(lexer, &script, errors, &options);
result->script = std::move(script);
return result;
}
WabtReadBinaryResult* wabt_read_binary(const void* data,
size_t size,
int read_debug_names,
wabt::Features* features,
wabt::Errors* errors) {
wabt::ReadBinaryOptions options;
options.features = *features;
options.read_debug_names = read_debug_names;
WabtReadBinaryResult* result = new WabtReadBinaryResult();
wabt::Module* module = new wabt::Module();
// TODO(binji): Pass through from wabt_read_binary parameter.
const char* filename = "<binary>";
result->result =
wabt::ReadBinaryIr(filename, data, size, options, errors, module);
result->module.reset(module);
return result;
}
wabt::Result::Enum wabt_validate_module(wabt::Module* module,
wabt::Features* features,
wabt::Errors* errors) {
wabt::ValidateOptions options;
options.features = *features;
return ValidateModule(module, errors, options);
}
wabt::Result::Enum wabt_validate_script(wabt::Script* script,
wabt::Features* features,
wabt::Errors* errors) {
wabt::ValidateOptions options;
options.features = *features;
return ValidateScript(script, errors, options);
}
WabtWriteScriptResult* wabt_write_binary_spec_script(
wabt::Script* script,
const char* source_filename,
const char* out_filename,
int log,
int canonicalize_lebs,
int relocatable,
int write_debug_names) {
wabt::MemoryStream log_stream;
wabt::MemoryStream* log_stream_p = log ? &log_stream : nullptr;
wabt::WriteBinaryOptions options;
options.canonicalize_lebs = canonicalize_lebs;
options.relocatable = relocatable;
options.write_debug_names = write_debug_names;
std::vector<wabt::FilenameMemoryStreamPair> module_streams;
wabt::MemoryStream json_stream(log_stream_p);
std::string module_filename_noext(
wabt::StripExtension(out_filename ? out_filename : source_filename));
WabtWriteScriptResult* result = new WabtWriteScriptResult();
result->result = WriteBinarySpecScript(&json_stream, script, source_filename,
module_filename_noext, options,
&module_streams, log_stream_p);
if (result->result == wabt::Result::Ok) {
result->json_buffer = json_stream.ReleaseOutputBuffer();
result->log_buffer = log ? log_stream.ReleaseOutputBuffer() : nullptr;
std::transform(module_streams.begin(), module_streams.end(),
std::back_inserter(result->module_buffers),
[](wabt::FilenameMemoryStreamPair& pair) {
return WabtFilenameOutputBufferPair(
pair.filename, pair.stream->ReleaseOutputBuffer());
});
}
return result;
}
wabt::Result::Enum wabt_apply_names_module(wabt::Module* module) {
return ApplyNames(module);
}
wabt::Result::Enum wabt_generate_names_module(wabt::Module* module) {
return GenerateNames(module);
}
WabtWriteModuleResult* wabt_write_binary_module(wabt::Module* module,
int log,
int canonicalize_lebs,
int relocatable,
int write_debug_names) {
wabt::MemoryStream log_stream;
wabt::WriteBinaryOptions options;
options.canonicalize_lebs = canonicalize_lebs;
options.relocatable = relocatable;
options.write_debug_names = write_debug_names;
wabt::MemoryStream stream(log ? &log_stream : nullptr);
WabtWriteModuleResult* result = new WabtWriteModuleResult();
result->result = WriteBinaryModule(&stream, module, options);
if (result->result == wabt::Result::Ok) {
result->buffer = stream.ReleaseOutputBuffer();
result->log_buffer = log ? log_stream.ReleaseOutputBuffer() : nullptr;
}
return result;
}
WabtWriteModuleResult* wabt_write_text_module(wabt::Module* module,
int fold_exprs,
int inline_export) {
wabt::WriteWatOptions options;
options.fold_exprs = fold_exprs;
options.inline_export = inline_export;
wabt::MemoryStream stream;
WabtWriteModuleResult* result = new WabtWriteModuleResult();
result->result = WriteWat(&stream, module, options);
if (result->result == wabt::Result::Ok) {
result->buffer = stream.ReleaseOutputBuffer();
}
return result;
}
void wabt_destroy_module(wabt::Module* module) {
delete module;
}
void wabt_destroy_wast_lexer(wabt::WastLexer* lexer) {
delete lexer;
}
// Errors
wabt::Errors* wabt_new_errors(void) {
return new wabt::Errors();
}
wabt::OutputBuffer* wabt_format_text_errors(wabt::Errors* errors,
wabt::WastLexer* lexer) {
auto line_finder = lexer->MakeLineFinder();
std::string string_result = FormatErrorsToString(
*errors, wabt::Location::Type::Text, line_finder.get());
wabt::OutputBuffer* result = new wabt::OutputBuffer();
std::copy(string_result.begin(), string_result.end(),
std::back_inserter(result->data));
return result;
}
wabt::OutputBuffer* wabt_format_binary_errors(wabt::Errors* errors) {
std::string string_result =
FormatErrorsToString(*errors, wabt::Location::Type::Binary);
wabt::OutputBuffer* result = new wabt::OutputBuffer();
std::copy(string_result.begin(), string_result.end(),
std::back_inserter(result->data));
return result;
}
void wabt_destroy_errors(wabt::Errors* errors) {
delete errors;
}
// WabtParseWatResult
wabt::Result::Enum wabt_parse_wat_result_get_result(
WabtParseWatResult* result) {
return result->result;
}
wabt::Module* wabt_parse_wat_result_release_module(WabtParseWatResult* result) {
return result->module.release();
}
void wabt_destroy_parse_wat_result(WabtParseWatResult* result) {
delete result;
}
// WabtParseWastResult
wabt::Result::Enum wabt_parse_wast_result_get_result(
WabtParseWastResult* result) {
return result->result;
}
wabt::Script* wabt_parse_wast_result_release_module(
WabtParseWastResult* result) {
return result->script.release();
}
void wabt_destroy_parse_wast_result(WabtParseWastResult* result) {
delete result;
}
// WabtReadBinaryResult
wabt::Result::Enum wabt_read_binary_result_get_result(
WabtReadBinaryResult* result) {
return result->result;
}
wabt::Module* wabt_read_binary_result_release_module(
WabtReadBinaryResult* result) {
return result->module.release();
}
void wabt_destroy_read_binary_result(WabtReadBinaryResult* result) {
delete result;
}
// WabtWriteModuleResult
wabt::Result::Enum wabt_write_module_result_get_result(
WabtWriteModuleResult* result) {
return result->result;
}
wabt::OutputBuffer* wabt_write_module_result_release_output_buffer(
WabtWriteModuleResult* result) {
return result->buffer.release();
}
wabt::OutputBuffer* wabt_write_module_result_release_log_output_buffer(
WabtWriteModuleResult* result) {
return result->log_buffer.release();
}
void wabt_destroy_write_module_result(WabtWriteModuleResult* result) {
delete result;
}
// WabtWriteScriptResult
wabt::Result::Enum wabt_write_script_result_get_result(
WabtWriteScriptResult* result) {
return result->result;
}
wabt::OutputBuffer* wabt_write_script_result_release_json_output_buffer(
WabtWriteScriptResult* result) {
return result->json_buffer.release();
}
wabt::OutputBuffer* wabt_write_script_result_release_log_output_buffer(
WabtWriteScriptResult* result) {
return result->log_buffer.release();
}
size_t wabt_write_script_result_get_module_count(
WabtWriteScriptResult* result) {
return result->module_buffers.size();
}
const char* wabt_write_script_result_get_module_filename(
WabtWriteScriptResult* result,
size_t index) {
return result->module_buffers[index].first.c_str();
}
wabt::OutputBuffer* wabt_write_script_result_release_module_output_buffer(
WabtWriteScriptResult* result,
size_t index) {
return result->module_buffers[index].second.release();
}
void wabt_destroy_write_script_result(WabtWriteScriptResult* result) {
delete result;
}
// wabt::OutputBuffer*
const void* wabt_output_buffer_get_data(wabt::OutputBuffer* output_buffer) {
return output_buffer->data.data();
}
size_t wabt_output_buffer_get_size(wabt::OutputBuffer* output_buffer) {
return output_buffer->data.size();
}
void wabt_destroy_output_buffer(wabt::OutputBuffer* output_buffer) {
delete output_buffer;
}
} // extern "C"
#endif /* WABT_EMSCRIPTEN_HELPERS_H_ */