Improved test banner

src/build_spectests.rs

@@ -5,6 +5,9 @@ use std::time::SystemTime;
 use wabt::script::{Action, Command, CommandKind, ModuleBinary, ScriptParser, Value};
 use wabt::wasm2wat;
 
+static BANNER: &str = "// Rust test file autogenerated with cargo build (src/build_spectests.rs).
+// Please do NOT modify it by hand, as it will be reseted on next build.\n";
+
 struct WastTestGenerator {
     last_module: i32,
     last_line: u64,
@@ -48,9 +51,9 @@ impl WastTestGenerator {
     }
 
     fn consume(&mut self) {
+        self.buffer.push_str(BANNER);
         self.buffer.push_str(&format!(
-            "// Rust test file autogenerated from {}
-// Please do not modify
+            "// Test based on spectests/{}
 
 use crate::webassembly::{{instantiate, compile, ImportObject, ResultObject, VmCtx, Export}};
 use wabt::wat2wasm;\n\n",
@@ -282,7 +285,7 @@ fn main() {
         .map(|module| format!("mod {};", module))
         .collect();
 
-    modfile_uses.insert(0, "// This file is autogenerated\n".to_string());
+    modfile_uses.insert(0, BANNER.to_string());
     // We add an empty line
     modfile_uses.push("".to_string());
 

src/spectests/br_if.rs

@@ -1,5 +1,6 @@
-// Rust test file autogenerated from br_if.wast
-// Please do not modify
+// Rust test file autogenerated with cargo build (src/build_spectests.rs).
+// Please do NOT modify it by hand, as it will be reseted on next build.
+// Test based on spectests/br_if.wast
 
 use crate::webassembly::{instantiate, compile, ImportObject, ResultObject, VmCtx, Export};
 use wabt::wat2wasm;

src/spectests/call.rs

@@ -1,5 +1,6 @@
-// Rust test file autogenerated from call.wast
-// Please do not modify
+// Rust test file autogenerated with cargo build (src/build_spectests.rs).
+// Please do NOT modify it by hand, as it will be reseted on next build.
+// Test based on spectests/call.wast
 
 use crate::webassembly::{instantiate, compile, ImportObject, ResultObject, VmCtx, Export};
 use wabt::wat2wasm;

src/spectests/i32_.rs

@@ -1,5 +1,6 @@
-// Rust test file autogenerated from i32.wast
-// Please do not modify
+// Rust test file autogenerated with cargo build (src/build_spectests.rs).
+// Please do NOT modify it by hand, as it will be reseted on next build.
+// Test based on spectests/i32_.wast
 
 use crate::webassembly::{instantiate, compile, ImportObject, ResultObject, VmCtx, Export};
 use wabt::wat2wasm;

src/spectests/memory.rs

@@ -1,5 +1,6 @@
-// Rust test file autogenerated from memory.wast
-// Please do not modify
+// Rust test file autogenerated with cargo build (src/build_spectests.rs).
+// Please do NOT modify it by hand, as it will be reseted on next build.
+// Test based on spectests/memory.wast
 
 use crate::webassembly::{instantiate, compile, ImportObject, ResultObject, VmCtx, Export};
 use wabt::wat2wasm;

src/spectests/mod.rs

@@ -1,4 +1,5 @@
-// This file is autogenerated
+// Rust test file autogenerated with cargo build (src/build_spectests.rs).
+// Please do NOT modify it by hand, as it will be reseted on next build.
 
 mod br_if;
 mod call;

src/spectests/types.rs

@@ -1,5 +1,6 @@
-// Rust test file autogenerated from types.wast
-// Please do not modify
+// Rust test file autogenerated with cargo build (src/build_spectests.rs).
+// Please do NOT modify it by hand, as it will be reseted on next build.
+// Test based on spectests/types.wast
 
 use crate::webassembly::{instantiate, compile, ImportObject, ResultObject, VmCtx, Export};
 use wabt::wat2wasm;