fluencelabs/wasm-utils
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add steps to build util

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This commit is contained in:
NikVolf 2017-08-09 14:30:37 +03:00
parent 71910405bc
commit 665b21e74f
1 changed files with 18 additions and 0 deletions
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18
build/src/main.rs
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@ -3,6 +3,7 @@
extern crate glob; extern crate glob;
extern crate wasm_utils; extern crate wasm_utils;
extern crate clap; extern crate clap;
extern crate parity_wasm;
use std::{fs, io}; use std::{fs, io};
use std::path::PathBuf; use std::path::PathBuf;
@ -23,6 +24,12 @@ impl From<io::Error> for Error {
} }
} }
pub fn wasm_path(target_dir: &str, bin_name: &str) -> String {
let mut path = PathBuf::from(target_dir);
path.push(format!("{}.wasm", bin_name));
path.to_string_lossy().to_string()
}
pub fn process_output(target_dir: &str, bin_name: &str) -> Result<(), Error> { pub fn process_output(target_dir: &str, bin_name: &str) -> Result<(), Error> {
let mut path = PathBuf::from(target_dir); let mut path = PathBuf::from(target_dir);
let wasm_name = bin_name.to_string().replace("-", "_"); let wasm_name = bin_name.to_string().replace("-", "_");
@ -69,4 +76,15 @@ fn main() {
let wasm_binary = matches.value_of("wasm").expect("is required; qed"); let wasm_binary = matches.value_of("wasm").expect("is required; qed");
process_output(target_dir, wasm_binary).expect("Failed to process cargo target directory"); process_output(target_dir, wasm_binary).expect("Failed to process cargo target directory");
let path = wasm_path(target_dir, wasm_binary);
let mut module = wasm_utils::externalize(
parity_wasm::deserialize_file(&path).unwrap(),
vec!["_free", "_malloc"],
);
wasm_utils::optimize(&mut module, vec!["_call"]).expect("Optimizer to finish without errors");
parity_wasm::serialize_to_file(&path, module).unwrap();
} }