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62 lines
1.7 KiB
Rust
62 lines
1.7 KiB
Rust
/*
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* Copyright 2020 Fluence Labs Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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use super::errors::ITParserError;
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use super::custom::IT_SECTION_NAME;
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use walrus::ModuleConfig;
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use std::path::PathBuf;
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/// Delete all custom sections with IT from provided Wasm file.
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pub fn delete_it_section_from_file(
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in_wasm_path: PathBuf,
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out_wasm_path: PathBuf,
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) -> Result<(), ITParserError> {
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let module = ModuleConfig::new()
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.parse_file(in_wasm_path)
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.map_err(ITParserError::CorruptedWasmFile)?;
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let mut module = delete_it_section(module);
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module
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.emit_wasm_file(&out_wasm_path)
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.map_err(ITParserError::WasmEmitError)?;
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Ok(())
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}
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/// Delete all custom sections with IT from provided Wasm module.
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pub fn delete_it_section(mut wasm_module: walrus::Module) -> walrus::Module {
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let wit_section_ids = wasm_module
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.customs
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.iter()
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.filter_map(|(id, section)| {
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if section.name() == IT_SECTION_NAME {
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Some(id)
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} else {
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None
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}
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})
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.collect::<Vec<_>>();
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for id in wit_section_ids {
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wasm_module.customs.delete(id);
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}
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wasm_module
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}
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