37 lines
908 B
Rust
37 lines
908 B
Rust
extern crate lightbeam;
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use lightbeam::translate;
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use std::fs::File;
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use std::io;
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use std::io::Read;
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use std::path::Path;
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fn read_to_end<P: AsRef<Path>>(path: P) -> io::Result<Vec<u8>> {
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let mut buffer = Vec::new();
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if path.as_ref() == Path::new("-") {
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let stdin = io::stdin();
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let mut stdin = stdin.lock();
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stdin.read_to_end(&mut buffer)?;
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} else {
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let mut file = File::open(path)?;
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file.read_to_end(&mut buffer)?;
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}
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Ok(buffer)
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}
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fn maybe_main() -> Result<(), String> {
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let data = read_to_end("test.wasm").map_err(|e| e.to_string())?;
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let translated = translate(&data).map_err(|e| e.to_string())?;
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let result: u32 = translated.execute_func(0, (5u32, 3u32)).unwrap();
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println!("f(5, 3) = {}", result);
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Ok(())
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}
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fn main() {
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match maybe_main() {
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Ok(()) => (),
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Err(e) => eprintln!("error: {}", e),
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}
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}
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