7a1b7cdf92
Implement Wasmtime's new API as designed by RFC 11. This is quite a large commit which has had lots of discussion externally, so for more information it's best to read the RFC thread and the PR thread.
55 lines
1.4 KiB
Rust
55 lines
1.4 KiB
Rust
//! The module that implements the `wasmtime wast` command.
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use crate::CommonOptions;
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use anyhow::{Context as _, Result};
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use std::path::PathBuf;
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use structopt::{clap::AppSettings, StructOpt};
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use wasmtime::{Engine, Store};
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use wasmtime_wast::WastContext;
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lazy_static::lazy_static! {
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static ref AFTER_HELP: String = {
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crate::FLAG_EXPLANATIONS.to_string()
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};
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}
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/// Runs a WebAssembly test script file
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#[derive(StructOpt)]
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#[structopt(
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name = "wast",
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version = env!("CARGO_PKG_VERSION"),
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setting = AppSettings::ColoredHelp,
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after_help = AFTER_HELP.as_str(),
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)]
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pub struct WastCommand {
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#[structopt(flatten)]
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common: CommonOptions,
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/// The path of the WebAssembly test script to run
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#[structopt(required = true, value_name = "SCRIPT_FILE", parse(from_os_str))]
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scripts: Vec<PathBuf>,
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}
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impl WastCommand {
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/// Executes the command.
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pub fn execute(self) -> Result<()> {
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self.common.init_logging();
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let config = self.common.config(None)?;
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let store = Store::new(&Engine::new(&config)?, ());
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let mut wast_context = WastContext::new(store);
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wast_context
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.register_spectest()
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.expect("error instantiating \"spectest\"");
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for script in self.scripts.iter() {
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wast_context
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.run_file(script)
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.with_context(|| format!("failed to run script file '{}'", script.display()))?
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}
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Ok(())
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}
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}
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