data inspection example

examples/data.rs

@@ -0,0 +1,25 @@
+extern crate parity_wasm;
+
+use std::env;
+
+fn main() {
+    let args = env::args().collect::<Vec<_>>();
+    if args.len() != 2 {
+        println!("Usage: {} somefile.wasm", args[0]);
+        return;
+    }
+
+    let module = parity_wasm::deserialize_file(&args[1]).expect("Failed to load module");
+
+    let data_section = module.data_section().expect("no data section in module");
+
+    println!("Data segments: {}", data_section.entries().len());
+
+    let mut index = 0;
+    for entry in data_section.entries() {
+        println!("  Entry #{}", index);
+        println!("    init: {}", entry.offset().code()[0]);
+        println!("    size: {}", entry.value().len());
+        index += 1;
+    }
+}