Rename folder tools to cli to keep it consistent with crate naming

2026-06-14 05:11:11 +00:00 · 2018-05-15 20:44:18 +08:00
parent c79681aa5b
commit 245ac89f2d
9 changed files with 1 additions and 1 deletions
@@ -0,0 +1,45 @@
+extern crate parity_wasm;
+extern crate pwasm_utils as utils;
+extern crate pwasm_utils_cli as logger;
+extern crate clap;
+
+use clap::{App, Arg};
+
+fn main() {
+    logger::init_log();
+
+    let matches = App::new("wasm-opt")
+                        .arg(Arg::with_name("input")
+                            .index(1)
+                            .required(true)
+                            .help("Input WASM file"))
+                        .arg(Arg::with_name("output")
+                            .index(2)
+                            .required(true)
+                            .help("Output WASM file"))
+                        .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();
+
+    let exports = matches
+                    .value_of("exports")
+                    .unwrap_or("_call")
+                    .split(',')
+                    .collect();
+
+    let input = matches.value_of("input").expect("is required; qed");
+    let output = matches.value_of("output").expect("is required; qed");
+
+    let mut module = parity_wasm::deserialize_file(&input).unwrap();
+
+    // Invoke optimizer
+    //   Contract is supposed to have only these functions as public api
+    //   All other symbols not usable by this list is optimized away
+    utils::optimize(&mut module, exports).expect("Optimizer to finish without errors");
+
+    parity_wasm::serialize_to_file(&output, module).unwrap();
+}