use super::custom::ITCustomSection;
use super::errors::ITParserError;
use crate::ParserResult;
use walrus::ModuleConfig;
use wasmer_it::{
ast::Interfaces,
decoders::wat::{parse, Buffer},
};
use wasmer_it::ToBytes;
use std::path::Path;
pub fn embed_text_it<I, O>(in_wasm_path: I, out_wasm_path: O, it: &str) -> ParserResult<()>
where
I: AsRef<Path>,
O: AsRef<Path>,
{
let module = ModuleConfig::new()
.parse_file(in_wasm_path)
.map_err(ITParserError::CorruptedWasmFile)?;
let buffer = Buffer::new(it)?;
let ast = parse(&buffer)?;
let mut module = embed_it(module, &ast);
module
.emit_wasm_file(out_wasm_path)
.map_err(ITParserError::WasmEmitError)?;
Ok(())
}
pub fn embed_it(mut wasm_module: walrus::Module, interfaces: &Interfaces<'_>) -> walrus::Module {
let mut bytes = vec![];
interfaces.to_bytes(&mut bytes).unwrap();
let custom = ITCustomSection(bytes);
wasm_module.customs.add(custom);
wasm_module
}