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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
*
* 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_BINARY_READER_H_
#define WASM_BINARY_READER_H_
#include <stddef.h>
#include <stdint.h>
#include "wasm-binary.h"
#include "wasm-common.h"
struct WasmAllocator;
#define WASM_READ_BINARY_OPTIONS_DEFAULT \
{ WASM_FALSE }
typedef struct WasmReadBinaryOptions {
WasmBool read_debug_names;
} WasmReadBinaryOptions;
typedef struct WasmBinaryReader {
void* user_data;
void (*on_error)(uint32_t offset, const char* message, void* user_data);
/* module */
WasmResult (*begin_module)(void* user_data);
WasmResult (*end_module)(void* user_data);
/* memory section */
WasmResult (*begin_memory_section)(void* user_data);
WasmResult (*on_memory_initial_size_pages)(uint32_t pages, void* user_data);
WasmResult (*on_memory_max_size_pages)(uint32_t pages, void* user_data);
WasmResult (*on_memory_exported)(WasmBool exported, void* user_data);
WasmResult (*end_memory_section)(void* user_data);
/* data segment section */
WasmResult (*begin_data_segment_section)(void* user_data);
WasmResult (*on_data_segment_count)(uint32_t count, void* user_data);
WasmResult (*on_data_segment)(uint32_t index,
uint32_t address,
const void* data,
uint32_t size,
void* user_data);
WasmResult (*end_data_segment_section)(void* user_data);
/* signatures section */
WasmResult (*begin_signature_section)(void* user_data);
WasmResult (*on_signature_count)(uint32_t count, void* user_data);
WasmResult (*on_signature)(uint32_t index,
WasmType result_type,
uint32_t param_count,
WasmType* param_types,
void* user_data);
WasmResult (*end_signature_section)(void* user_data);
/* imports section */
WasmResult (*begin_import_section)(void* user_data);
WasmResult (*on_import_count)(uint32_t count, void* user_data);
WasmResult (*on_import)(uint32_t index,
uint32_t sig_index,
WasmStringSlice module_name,
WasmStringSlice function_name,
void* user_data);
WasmResult (*end_import_section)(void* user_data);
/* function signatures section */
WasmResult (*begin_function_signatures_section)(void* user_data);
WasmResult (*on_function_signatures_count)(uint32_t count, void* user_data);
WasmResult (*on_function_signature)(uint32_t index,
uint32_t sig_index,
void* user_data);
WasmResult (*end_function_signatures_section)(void* user_data);
/* function bodies section */
WasmResult (*begin_function_bodies_section)(void* user_data);
WasmResult (*on_function_bodies_count)(uint32_t count, void* user_data);
WasmResult (*begin_function_body)(uint32_t index, void* user_data);
WasmResult (*on_local_decl_count)(uint32_t count, void* user_data);
WasmResult (*on_local_decl)(uint32_t decl_index,
uint32_t count,
WasmType type,
void* user_data);
/* function expressions; called between begin_function_body and
end_function_body */
WasmResult (*on_binary_expr)(WasmOpcode opcode, void* user_data);
WasmResult (*on_block_expr)(uint32_t count, void* user_data);
WasmResult (*on_br_expr)(uint32_t depth, void* user_data);
WasmResult (*on_br_if_expr)(uint32_t depth, void* user_data);
WasmResult (*on_br_table_expr)(uint32_t num_targets,
uint32_t* target_depths,
uint32_t default_target_depth,
void* user_data);
WasmResult (*on_call_expr)(uint32_t func_index, void* user_data);
WasmResult (*on_call_import_expr)(uint32_t import_index, void* user_data);
WasmResult (*on_call_indirect_expr)(uint32_t sig_index, void* user_data);
WasmResult (*on_compare_expr)(WasmOpcode opcode, void* user_data);
WasmResult (*on_i32_const_expr)(uint32_t value, void* user_data);
WasmResult (*on_i64_const_expr)(uint64_t value, void* user_data);
WasmResult (*on_f32_const_expr)(uint32_t value_bits, void* user_data);
WasmResult (*on_f64_const_expr)(uint64_t value_bits, void* user_data);
WasmResult (*on_convert_expr)(WasmOpcode opcode, void* user_data);
WasmResult (*on_get_local_expr)(uint32_t local_index, void* user_data);
WasmResult (*on_grow_memory_expr)(void* user_data);
WasmResult (*on_if_expr)(void* user_data);
WasmResult (*on_if_else_expr)(void* user_data);
WasmResult (*on_load_expr)(WasmOpcode opcode,
uint32_t alignment_log2,
uint32_t offset,
void* user_data);
WasmResult (*on_loop_expr)(uint32_t count, void* user_data);
WasmResult (*on_memory_size_expr)(void* user_data);
WasmResult (*on_nop_expr)(void* user_data);
WasmResult (*on_return_expr)(void* user_data);
WasmResult (*on_select_expr)(void* user_data);
WasmResult (*on_set_local_expr)(uint32_t local_index, void* user_data);
WasmResult (*on_store_expr)(WasmOpcode opcode,
uint32_t alignment_log2,
uint32_t offset,
void* user_data);
WasmResult (*on_unary_expr)(WasmOpcode opcode, void* user_data);
WasmResult (*on_unreachable_expr)(void* user_data);
WasmResult (*end_function_body)(uint32_t index, void* user_data);
WasmResult (*end_function_bodies_section)(void* user_data);
/* function table section */
WasmResult (*begin_function_table_section)(void* user_data);
WasmResult (*on_function_table_count)(uint32_t count, void* user_data);
WasmResult (*on_function_table_entry)(uint32_t index,
uint32_t func_index,
void* user_data);
WasmResult (*end_function_table_section)(void* user_data);
/* start section */
WasmResult (*begin_start_section)(void* user_data);
WasmResult (*on_start_function)(uint32_t func_index, void* user_data);
WasmResult (*end_start_section)(void* user_data);
/* exports section */
WasmResult (*begin_export_section)(void* user_data);
WasmResult (*on_export_count)(uint32_t count, void* user_data);
WasmResult (*on_export)(uint32_t index,
uint32_t func_index,
WasmStringSlice name,
void* user_data);
WasmResult (*end_export_section)(void* user_data);
/* names section */
WasmResult (*begin_names_section)(void* user_data);
WasmResult (*on_function_names_count)(uint32_t count, void* user_data);
WasmResult (*on_function_name)(uint32_t index,
WasmStringSlice name,
void* user_data);
WasmResult (*on_local_names_count)(uint32_t index,
uint32_t count,
void* user_data);
WasmResult (*on_local_name)(uint32_t func_index,
uint32_t local_index,
WasmStringSlice name,
void* user_data);
WasmResult (*end_names_section)(void* user_data);
} WasmBinaryReader;
WASM_EXTERN_C_BEGIN
WasmResult wasm_read_binary(struct WasmAllocator* allocator,
const void* data,
size_t size,
WasmBinaryReader* reader,
const WasmReadBinaryOptions* options);
WASM_EXTERN_C_END
#endif /* WASM_BINARY_READER_H_ */
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