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use super::custom::WITCustom;
use super::errors::WITParserError;
use walrus::ModuleConfig;
use wasmer_wit::{
ast::Interfaces,
decoders::wat::{parse, Buffer},
encoders::binary::ToBytes,
};
use std::path::PathBuf;
pub fn embed_text_wit(
in_wasm_path: PathBuf,
out_wasm_path: PathBuf,
wit: &str,
) -> Result<(), WITParserError> {
let module = ModuleConfig::new()
.parse_file(&in_wasm_path)
.map_err(WITParserError::CorruptedWasmFile)?;
let buffer = Buffer::new(wit)?;
let ast = parse(&buffer)?;
let mut module = embed_wit(module, &ast);
module
.emit_wasm_file(&out_wasm_path)
.map_err(WITParserError::WasmEmitError)?;
Ok(())
}
pub fn embed_wit(mut wasm_module: walrus::Module, interfaces: &Interfaces<'_>) -> walrus::Module {
let mut bytes = vec![];
interfaces.to_bytes(&mut bytes).unwrap();
let custom = WITCustom(bytes);
wasm_module.customs.add(custom);
wasm_module
}