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import inject example

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This commit is contained in:
NikVolf
2017-04-10 13:58:14 +03:00
parent d09a59c6bc
commit 3b949e1c7e
4 changed files with 61 additions and 21 deletions
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17
examples/inject.rs
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@ -3,6 +3,7 @@ extern crate parity_wasm;
use std::env;
use parity_wasm::elements;
use parity_wasm::builder;
pub fn inject_nop(opcodes: &mut elements::Opcodes) {
use parity_wasm::elements::Opcode::*;
@ -38,5 +39,19 @@ fn main() {
}
}
parity_wasm::serialize_to_file(&args[2], module).unwrap();
let mut build = builder::from_module(module);
let import_sig = build.push_signature(
builder::signature()
.param().i32()
.param().i32()
.return_type().i32()
.build_sig()
);
let build = build.import()
.module("env")
.field("log")
.external().func(import_sig)
.build();
parity_wasm::serialize_to_file(&args[2], build.build()).unwrap();
}