wasmtime_cli/commands/
wast.rs

1//! The module that implements the `wasmtime wast` command.
2
3use anyhow::{Context as _, Result};
4use clap::Parser;
5use std::path::PathBuf;
6use wasmtime::{Engine, Store};
7use wasmtime_cli_flags::CommonOptions;
8use wasmtime_wast::{SpectestConfig, WastContext};
9
10/// Runs a WebAssembly test script file
11#[derive(Parser, PartialEq)]
12pub struct WastCommand {
13    #[command(flatten)]
14    common: CommonOptions,
15
16    /// The path of the WebAssembly test script to run
17    #[arg(required = true, value_name = "SCRIPT_FILE")]
18    scripts: Vec<PathBuf>,
19}
20
21impl WastCommand {
22    /// Executes the command.
23    pub fn execute(mut self) -> Result<()> {
24        self.common.init_logging()?;
25
26        let config = self.common.config(None, None)?;
27        let store = Store::new(&Engine::new(&config)?, ());
28        let mut wast_context = WastContext::new(store);
29
30        wast_context
31            .register_spectest(&SpectestConfig {
32                use_shared_memory: true,
33                suppress_prints: false,
34            })
35            .expect("error instantiating \"spectest\"");
36
37        for script in self.scripts.iter() {
38            wast_context
39                .run_file(script)
40                .with_context(|| format!("failed to run script file '{}'", script.display()))?
41        }
42
43        Ok(())
44    }
45}
wasmtime_cli/commands/wast.rs

wasmtime_cli/commands/
wast.rs
