[wasm][debug] Extend scope info test

This extends the scope info test to also contain a compiled frame.
Currently, no scope info is shown for this frame. This will change in
the future, and the expected output will be extended accordingly.

R=yangguo@chromium.org
CC=mstarzinger@chromium.org

Bug: v8:9676
Change-Id: Ie57c1fec5f7cbec737d40b18d091fc2d9a00f493
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1876063
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64535}

test/inspector/debugger/wasm-scope-info-expected.txt

 Test retrieving scope information when pausing in wasm functions
 Installing code and global variable.
 Calling instantiate function.
-Waiting for wasm script to be parsed.
+Waiting for two wasm scripts to be parsed.
 Got wasm script!
-Setting breakpoint on line 2 (first instruction)
+Got wasm script!
+Setting breakpoint on line 2 (first instruction) of second function
 {
     columnNumber : 2
     lineNumber : 2
@@ -21,6 +22,7 @@ at func (2:2):
  - scope (local):
    locals: "i32Arg": 4 (number), "local#1": 0 (number), "i64_local": 0 (number), "unicode☼f64": 0 (number)
    stack: 
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -37,6 +39,7 @@ at func (3:2):
  - scope (local):
    locals: "i32Arg": 4 (number), "local#1": 0 (number), "i64_local": 0 (number), "unicode☼f64": 0 (number)
    stack: "0": 11 (number)
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -53,6 +56,7 @@ at func (4:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 0 (number), "i64_local": 0 (number), "unicode☼f64": 0 (number)
    stack: 
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -69,6 +73,7 @@ at func (5:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 0 (number), "i64_local": 0 (number), "unicode☼f64": 0 (number)
    stack: "0": 47 (number)
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -85,6 +90,7 @@ at func (6:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": 0 (number), "unicode☼f64": 0 (number)
    stack: 
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -101,6 +107,7 @@ at func (7:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": 0 (number), "unicode☼f64": 0 (number)
    stack: "0": 9223372036854775807 (string)
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -117,6 +124,7 @@ at func (8:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": 9223372036854775807 (string), "unicode☼f64": 0 (number)
    stack: 
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -133,6 +141,7 @@ at func (9:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": 9223372036854775807 (string), "unicode☼f64": 0 (number)
    stack: "0": -9223372036854775808 (string)
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -149,6 +158,7 @@ at func (10:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": -9223372036854775808 (string), "unicode☼f64": 0 (number)
    stack: 
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -165,6 +175,7 @@ at func (11:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": -9223372036854775808 (string), "unicode☼f64": 0 (number)
    stack: "0": 1 (number)
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -181,6 +192,7 @@ at func (12:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": -9223372036854775808 (string), "unicode☼f64": 0 (number)
    stack: "0": 1 (number)
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -197,6 +209,7 @@ at func (13:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": -9223372036854775808 (string), "unicode☼f64": 0 (number)
    stack: "0": 1 (number), "1": 7 (number)
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -213,6 +226,7 @@ at func (14:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": -9223372036854775808 (string), "unicode☼f64": 0 (number)
    stack: "0": 1 (number), "1": 7 (number)
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -229,6 +243,7 @@ at func (15:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": -9223372036854775808 (string), "unicode☼f64": 0 (number)
    stack: "0": 0.14285714285714285 (number)
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -245,6 +260,7 @@ at func (16:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": -9223372036854775808 (string), "unicode☼f64": 0.14285714285714285 (number)
    stack: 
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -261,6 +277,7 @@ at func (17:2):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": -9223372036854775808 (string), "unicode☼f64": 0.14285714285714285 (number)
    stack: "0": 15 (number)
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals
@@ -277,6 +294,7 @@ at func (18:0):
  - scope (local):
    locals: "i32Arg": 11 (number), "local#1": 47 (number), "i64_local": -9223372036854775808 (string), "unicode☼f64": 0.14285714285714285 (number)
    stack: 
+at call_func (5:2):
 at (anonymous) (0:17):
  - scope (global):
    -- skipped globals

test/inspector/debugger/wasm-scope-info.js

@@ -10,8 +10,8 @@ Protocol.Debugger.enable();
 let evaluate = code => Protocol.Runtime.evaluate({expression: code});
 
 (async function test() {
-  let scriptId = await instantiateWasm();
-  await setBreakpoint(scriptId);
+  let scriptIds = await instantiateWasm();
+  await setBreakpoint(scriptIds);
   printPauseLocationsAndContinue();
   await evaluate('instance.exports.main(4)');
   InspectorTest.log('exports.main returned. Test finished.');
@@ -35,6 +35,16 @@ async function instantiateWasm() {
   var builder = new WasmModuleBuilder();
   builder.addGlobal(kWasmI32, true);
 
+  // Add a function without breakpoint, to check that locals are shown
+  // correctly in compiled code.
+  builder.addFunction('call_func', kSig_v_i).addLocals({f32_count: 1}).addBody([
+    // Set local 1 to 7.2.
+    ...wasmF32Const(7.2), kExprLocalSet, 1,
+    // Call function 'func', forwarding param 0.
+    kExprLocalGet, 0, kExprCallFunction, 1
+  ]).exportAs('main');
+
+  // A second function which will be stepped through.
   builder.addFunction('func', kSig_v_i)
       .addLocals(
           {i32_count: 1, i64_count: 1, f64_count: 1},
@@ -56,8 +66,7 @@ async function instantiateWasm() {
 
         // Set global 0 to 15
         kExprI32Const, 15, kExprGlobalSet, 0,
-      ])
-      .exportAs('main');
+      ]);
 
   var module_bytes = builder.toArray();
 
@@ -77,13 +86,14 @@ async function instantiateWasm() {
   await evaluate('var instance;\n' + instantiate.toString());
   InspectorTest.log('Calling instantiate function.');
   evaluate('instantiate(' + JSON.stringify(module_bytes) + ')');
-  return waitForWasmScript();
+  return waitForWasmScripts();
 }
 
-async function setBreakpoint(scriptId) {
-  InspectorTest.log('Setting breakpoint on line 2 (first instruction)');
+async function setBreakpoint(scriptIds) {
+  InspectorTest.log(
+      'Setting breakpoint on line 2 (first instruction) of second function');
   let breakpoint = await Protocol.Debugger.setBreakpoint(
-      {'location': {'scriptId': scriptId, 'lineNumber': 2}});
+      {'location': {'scriptId': scriptIds[1], 'lineNumber': 2}});
   printFailure(breakpoint);
   InspectorTest.logMessage(breakpoint.result.actualLocation);
 }
@@ -95,17 +105,18 @@ function printFailure(message) {
   return message;
 }
 
-async function waitForWasmScript() {
-  InspectorTest.log('Waiting for wasm script to be parsed.');
-  while (true) {
+async function waitForWasmScripts() {
+  InspectorTest.log('Waiting for two wasm scripts to be parsed.');
+  let wasm_script_ids = [];
+  while (wasm_script_ids.length < 2) {
     let script_msg = await Protocol.Debugger.onceScriptParsed();
     let url = script_msg.params.url;
-    if (!url.startsWith('wasm://')) {
-      continue;
+    if (url.startsWith('wasm://')) {
+      InspectorTest.log('Got wasm script!');
+      wasm_script_ids.push(script_msg.params.scriptId);
     }
-    InspectorTest.log('Got wasm script!');
-    return script_msg.params.scriptId;
   }
+  return wasm_script_ids;
 }
 
 async function getScopeValues(value) {