Update some dependencies (#1496)

Update the `wast` crate to 13 and handle the new `QuoteModule` case as
well.

crates/wast/Cargo.toml

@@ -13,7 +13,7 @@ edition = "2018"
 [dependencies]
 anyhow = "1.0.19"
 wasmtime = { path = "../api", version = "0.15.0", default-features = false }
-wast = "11.0.0"
+wast = "13.0.0"
 
 [badges]
 maintenance = { status = "actively-developed" }

crates/wast/src/wast.rs

@@ -3,6 +3,8 @@ use anyhow::{anyhow, bail, Context as _, Result};
 use std::path::Path;
 use std::str;
 use wasmtime::*;
+use wast::parser::{self, ParseBuffer};
+use wast::Wat;
 
 /// Translate from a `script::Value` to a `RuntimeValue`.
 fn runtime_value(v: &wast::Expression<'_>) -> Result<Val> {
@@ -234,6 +236,17 @@ impl WastContext {
                 let binary = module.encode()?;
                 self.module(module.id.map(|s| s.name()), &binary)?;
             }
+            QuoteModule { span: _, source } => {
+                let mut module = String::new();
+                for src in source {
+                    module.push_str(str::from_utf8(src)?);
+                    module.push_str(" ");
+                }
+                let buf = ParseBuffer::new(&module)?;
+                let mut wat = parser::parse::<Wat>(&buf)?;
+                let binary = wat.module.encode()?;
+                self.module(wat.module.id.map(|s| s.name()), &binary)?;
+            }
             Register {
                 span: _,
                 name,