fluencelabs/wasm-utils
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This commit is contained in:
NikVolf 2017-08-09 13:51:47 +03:00
parent 0c52bcde1d
commit 71910405bc
1 changed files with 13 additions and 19 deletions
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32
build/src/main.rs
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@ -4,7 +4,7 @@ extern crate glob;
extern crate wasm_utils; extern crate wasm_utils;
extern crate clap; extern crate clap;
use std::{env, fs, io}; use std::{fs, io};
use std::path::PathBuf; use std::path::PathBuf;
use clap::{App, Arg}; use clap::{App, Arg};
@ -23,13 +23,11 @@ impl From<io::Error> for Error {
} }
} }
pub fn process_output(bin_name: &str) -> Result<(), Error> { pub fn process_output(target_dir: &str, bin_name: &str) -> Result<(), Error> {
let out_dir = env::var("OUT_DIR").map_err(|_| Error::NoEnvVar)?; let mut path = PathBuf::from(target_dir);
let mut path = PathBuf::from(out_dir.clone());
let wasm_name = bin_name.to_string().replace("-", "_"); let wasm_name = bin_name.to_string().replace("-", "_");
path.push(".."); path.push("wasm32-unknown-emscripten");
path.push(".."); path.push("release");
path.push("..");
path.push("deps"); path.push("deps");
path.push(format!("{}-*.wasm", wasm_name)); path.push(format!("{}-*.wasm", wasm_name));
@ -45,7 +43,7 @@ pub fn process_output(bin_name: &str) -> Result<(), Error> {
)) ))
} else { } else {
let file = files.drain(..).nth(0).expect("0th element exists").expect("glob err"); let file = files.drain(..).nth(0).expect("0th element exists").expect("glob err");
let mut path = PathBuf::from(out_dir.clone()); let mut path = PathBuf::from(target_dir);
path.push(format!("{}.wasm", bin_name)); path.push(format!("{}.wasm", bin_name));
fs::copy(file, path)?; fs::copy(file, path)?;
} }
@ -57,22 +55,18 @@ fn main() {
wasm_utils::init_log(); wasm_utils::init_log();
let matches = App::new("wasm-opt") let matches = App::new("wasm-opt")
.arg(Arg::with_name("input") .arg(Arg::with_name("target")
.index(1) .index(1)
.required(true) .required(true)
.help("Input WASM file")) .help("Cargo target directory"))
.arg(Arg::with_name("output") .arg(Arg::with_name("wasm")
.index(2) .index(2)
.required(true) .required(true)
.help("Output WASM file")) .help("Wasm binary name"))
.arg(Arg::with_name("exports")
.long("exports")
.short("e")
.takes_value(true)
.value_name("functions")
.help("Comma-separated list of exported functions to keep. Default: _call"))
.get_matches(); .get_matches();
let target_dir = matches.value_of("target").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");
} }