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[wasm][debugger] View multidimensional array when debugging #60983

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merged 9 commits into from
Nov 16, 2021
Merged

[wasm][debugger] View multidimensional array when debugging #60983

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38368ca
It's working when debug from chrome but not when debug from VS, becau…
thaystg Oct 27, 2021
24a3cbe
Remove unrelated change.
thaystg Oct 27, 2021
8b59dab
Working also on VS.
thaystg Nov 3, 2021
e46fe72
Merge branch 'dotnet:main' into thays_multidimensional_array
thaystg Nov 3, 2021
79255ae
Working also on VS.
thaystg Nov 3, 2021
19ef4a8
merge main
thaystg Nov 3, 2021
ec07dd1
Addressing @lewing and @radical comments
thaystg Nov 15, 2021
3a80364
Change ArrayDimensions to be a record and not a class as suggested by…
thaystg Nov 15, 2021
1d9162a
Addressing @radical comments.
thaystg Nov 16, 2021
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2 changes: 1 addition & 1 deletion src/mono/wasm/debugger/BrowserDebugProxy/MonoProxy.cs
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -555,7 +555,7 @@ private async Task<bool> CallOnFunction(MessageId id, JObject args, Cancellation
args["details"] = await SdbHelper.GetPointerContent(id, int.Parse(objectId.Value), token);
break;
case "array":
args["details"] = await SdbHelper.GetArrayValues(id, int.Parse(objectId.Value), token);
args["details"] = await SdbHelper.GetArrayValuesProxy(id, int.Parse(objectId.Value), token);
break;
case "cfo_res":
{
Expand Down
91 changes: 80 additions & 11 deletions src/mono/wasm/debugger/BrowserDebugProxy/MonoSDBHelper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -358,6 +358,52 @@ internal enum StepSize
Line
}

internal record ArrayDimensions
{
internal int Rank { get; }
internal int [] Bounds { get; }
internal int TotalLength { get; }
public ArrayDimensions(int [] rank)
{
Rank = rank.Length;
Bounds = rank;
TotalLength = 1;
for (int i = 0 ; i < Rank ; i++)
TotalLength *= Bounds[i];
}

public override string ToString()
{
return $"{string.Join(", ", Bounds)}";
}
internal string GetArrayIndexString(int idx)
{
if (idx < 0 || idx >= TotalLength)
return "Invalid Index";
int boundLimit = 1;
int lastBoundLimit = 1;
int[] arrayStr = new int[Rank];
int rankStart = 0;
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Check for idx < 0, and idx >= TotalLength

while (idx > 0)
{
boundLimit = 1;
for (int i = Rank - 1; i >= rankStart; i--)
{
lastBoundLimit = boundLimit;
boundLimit *= Bounds[i];
if (idx < boundLimit)
{
arrayStr[i] = (int)(idx / lastBoundLimit);
idx -= arrayStr[i] * lastBoundLimit;
rankStart = i;
break;
}
}
}
return $"{string.Join(", ", arrayStr)}";
}
}

internal record MethodInfoWithDebugInformation(MethodInfo Info, int DebugId, string Name);

internal class TypeInfoWithDebugInformation
Expand Down Expand Up @@ -1400,7 +1446,8 @@ public async Task<string> GetTypeName(SessionId sessionId, int typeId, Cancellat
string className = await GetTypeNameOriginal(sessionId, typeId, token);
className = className.Replace("+", ".");
className = Regex.Replace(className, @"`\d+", "");
className = className.Replace("[]", "__SQUARED_BRACKETS__");
className = Regex.Replace(className, @"[[, ]+]", "__SQUARED_BRACKETS__");
//className = className.Replace("[]", "__SQUARED_BRACKETS__");
className = className.Replace("[", "<");
className = className.Replace("]", ">");
className = className.Replace("__SQUARED_BRACKETS__", "[]");
Expand Down Expand Up @@ -1451,15 +1498,20 @@ public async Task<string> GetStringValue(SessionId sessionId, int string_id, Can
}
return null;
}
public async Task<int> GetArrayLength(SessionId sessionId, int object_id, CancellationToken token)
public async Task<ArrayDimensions> GetArrayDimensions(SessionId sessionId, int object_id, CancellationToken token)
{
var commandParams = new MemoryStream();
var commandParamsWriter = new MonoBinaryWriter(commandParams);
commandParamsWriter.Write(object_id);
var retDebuggerCmdReader = await SendDebuggerAgentCommand<CmdArray>(sessionId, CmdArray.GetLength, commandParams, token);
var length = retDebuggerCmdReader.ReadInt32();
length = retDebuggerCmdReader.ReadInt32();
return length;
var rank = new int[length];
for (int i = 0 ; i < length; i++)
{
rank[i] = retDebuggerCmdReader.ReadInt32();
retDebuggerCmdReader.ReadInt32(); //lower_bound
}
return new ArrayDimensions(rank);
}
public async Task<List<int>> GetTypeIdFromObject(SessionId sessionId, int object_id, bool withParents, CancellationToken token)
{
Expand Down Expand Up @@ -1778,9 +1830,14 @@ public async Task<JObject> CreateJObjectForString(SessionId sessionId, MonoBinar
public async Task<JObject> CreateJObjectForArray(SessionId sessionId, MonoBinaryReader retDebuggerCmdReader, CancellationToken token)
{
var objectId = retDebuggerCmdReader.ReadInt32();
var value = await GetClassNameFromObject(sessionId, objectId, token);
var length = await GetArrayLength(sessionId, objectId, token);
return CreateJObject<string>(null, "object", $"{value.ToString()}({length})", false, value.ToString(), "dotnet:array:" + objectId, null, "array");
var className = await GetClassNameFromObject(sessionId, objectId, token);
var arrayType = className.ToString();
var length = await GetArrayDimensions(sessionId, objectId, token);
if (arrayType.LastIndexOf('[') > 0)
arrayType = arrayType.Insert(arrayType.LastIndexOf('[')+1, length.ToString());
if (className.LastIndexOf('[') > 0)
className = className.Insert(arrayType.LastIndexOf('[')+1, new string(',', length.Rank-1));
return CreateJObject<string>(null, "object", description : arrayType, writable : false, className.ToString(), "dotnet:array:" + objectId, null, subtype : length.Rank == 1 ? "array" : null);
}

public async Task<JObject> CreateJObjectForObject(SessionId sessionId, MonoBinaryReader retDebuggerCmdReader, int typeIdFromAttribute, bool forDebuggerDisplayAttribute, CancellationToken token)
Expand Down Expand Up @@ -2206,21 +2263,33 @@ public async Task<JArray> GetValueTypeProxy(SessionId sessionId, int valueTypeId

public async Task<JArray> GetArrayValues(SessionId sessionId, int arrayId, CancellationToken token)
{
var length = await GetArrayLength(sessionId, arrayId, token);
var dimensions = await GetArrayDimensions(sessionId, arrayId, token);
var commandParams = new MemoryStream();
var commandParamsWriter = new MonoBinaryWriter(commandParams);
commandParamsWriter.Write(arrayId);
commandParamsWriter.Write(0);
commandParamsWriter.Write(length);
commandParamsWriter.Write(dimensions.TotalLength);
var retDebuggerCmdReader = await SendDebuggerAgentCommand<CmdArray>(sessionId, CmdArray.GetValues, commandParams, token);
JArray array = new JArray();
for (int i = 0 ; i < length ; i++)
for (int i = 0 ; i < dimensions.TotalLength; i++)
{
var var_json = await CreateJObjectForVariableValue(sessionId, retDebuggerCmdReader, i.ToString(), false, -1, false, token);
var var_json = await CreateJObjectForVariableValue(sessionId, retDebuggerCmdReader, dimensions.GetArrayIndexString(i), isOwn : false, -1, forDebuggerDisplayAttribute : false, token);
array.Add(var_json);
}
return array;
}

public async Task<JObject> GetArrayValuesProxy(SessionId sessionId, int arrayId, CancellationToken token)
{
var length = await GetArrayDimensions(sessionId, arrayId, token);
var arrayProxy = JObject.FromObject(new
{
items = await GetArrayValues(sessionId, arrayId, token),
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GetArrayValues also calls GetArrayLength. Instead maybe GetArrayValues can return (JArray, ArrayDimensions), or it can take a `ArrayDimensions argument?

dimensionsDetails = length.Bounds
});
return arrayProxy;
}

public async Task<bool> EnableExceptions(SessionId sessionId, PauseOnExceptionsKind state, CancellationToken token)
{
if (state == PauseOnExceptionsKind.Unset)
Expand Down
107 changes: 80 additions & 27 deletions src/mono/wasm/debugger/DebuggerTestSuite/ArrayTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -198,6 +198,24 @@ public async Task InspectGenericValueTypeArrayLocals2(int line, int col, string
frame_idx: frame_idx,
use_cfo: use_cfo);

async Task<JToken> GetObjectWithCFO(string objectId, JObject fn_args = null)
{
var fn_decl = "function () { return this; }";
var cfo_args = JObject.FromObject(new
{
functionDeclaration = fn_decl,
objectId = objectId
});

if (fn_args != null)
cfo_args["arguments"] = fn_args;

// callFunctionOn
var result = await cli.SendCommand("Runtime.callFunctionOn", cfo_args, token);

return await GetProperties(result.Value["result"]["objectId"]?.Value<string>(), fn_args);
}

async Task TestSimpleArrayLocals(int line, int col, string entry_method_name, string method_name, string etype_name,
string local_var_name_prefix, object[] array, object[] array_elem_props,
bool test_prev_frame = false, int frame_idx = 0, bool use_cfo = false)
Expand All @@ -215,8 +233,8 @@ async Task TestSimpleArrayLocals(int line, int col, string entry_method_name, st

var locals = await GetProperties(pause_location["callFrames"][frame_idx]["callFrameId"].Value<string>());
Assert.Equal(4, locals.Count());
CheckArray(locals, $"{local_var_name_prefix}_arr", $"{etype_name}[]", array?.Length ?? 0);
CheckArray(locals, $"{local_var_name_prefix}_arr_empty", $"{etype_name}[]", 0);
CheckArray(locals, $"{local_var_name_prefix}_arr", $"{etype_name}[]", $"{etype_name}[{array?.Length ?? 0}]");
CheckArray(locals, $"{local_var_name_prefix}_arr_empty", $"{etype_name}[]", $"{etype_name}[0]");
CheckObject(locals, $"{local_var_name_prefix}_arr_null", $"{etype_name}[]", is_null: true);
CheckBool(locals, "call_other", test_prev_frame);

Expand Down Expand Up @@ -264,24 +282,6 @@ async Task TestSimpleArrayLocals(int line, int col, string entry_method_name, st

var props = await GetObjectOnFrame(pause_location["callFrames"][frame_idx], $"{local_var_name_prefix}_arr_empty");
await CheckProps(props, new object[0], "${local_var_name_prefix}_arr_empty");

async Task<JToken> GetObjectWithCFO(string objectId, JObject fn_args = null)
{
var fn_decl = "function () { return this; }";
var cfo_args = JObject.FromObject(new
{
functionDeclaration = fn_decl,
objectId = objectId
});

if (fn_args != null)
cfo_args["arguments"] = fn_args;

// callFunctionOn
var result = await cli.SendCommand("Runtime.callFunctionOn", cfo_args, token);

return await GetProperties(result.Value["result"]["objectId"]?.Value<string>(), fn_args);
}
}

[Theory]
Expand Down Expand Up @@ -313,10 +313,10 @@ public async Task InspectObjectArrayMembers(bool use_cfo)
await CheckProps(c_props, new
{
id = TString("c#id"),
ClassArrayProperty = TArray("DebuggerTests.SimpleClass[]", 3),
ClassArrayField = TArray("DebuggerTests.SimpleClass[]", 3),
PointsProperty = TArray("DebuggerTests.Point[]", 2),
PointsField = TArray("DebuggerTests.Point[]", 2)
ClassArrayProperty = TArray("DebuggerTests.SimpleClass[]", "DebuggerTests.SimpleClass[3]"),
ClassArrayField = TArray("DebuggerTests.SimpleClass[]", "DebuggerTests.SimpleClass[3]"),
PointsProperty = TArray("DebuggerTests.Point[]", "DebuggerTests.Point[2]"),
PointsField = TArray("DebuggerTests.Point[]", "DebuggerTests.Point[2]")
},
"c"
);
Expand Down Expand Up @@ -382,8 +382,8 @@ public async Task InspectValueTypeArrayLocalsStaticAsync(bool use_cfo)
await CheckProps(frame_locals, new
{
call_other = TBool(false),
gvclass_arr = TArray("DebuggerTests.SimpleGenericStruct<DebuggerTests.Point>[]", 2),
gvclass_arr_empty = TArray("DebuggerTests.SimpleGenericStruct<DebuggerTests.Point>[]"),
gvclass_arr = TArray("DebuggerTests.SimpleGenericStruct<DebuggerTests.Point>[]", "DebuggerTests.SimpleGenericStruct<DebuggerTests.Point>[2]"),
gvclass_arr_empty = TArray("DebuggerTests.SimpleGenericStruct<DebuggerTests.Point>[]", "DebuggerTests.SimpleGenericStruct<DebuggerTests.Point>[0]"),
gvclass_arr_null = TObject("DebuggerTests.SimpleGenericStruct<DebuggerTests.Point>[]", is_null: true),
gvclass = TValueType("DebuggerTests.SimpleGenericStruct<DebuggerTests.Point>"),
// BUG: this shouldn't be null!
Expand Down Expand Up @@ -448,7 +448,7 @@ public async Task InspectValueTypeArrayLocalsInstanceAsync(bool use_cfo)
{
t1 = TObject("DebuggerTests.SimpleGenericStruct<DebuggerTests.Point>"),
@this = TObject("DebuggerTests.ArrayTestsClass"),
point_arr = TArray("DebuggerTests.Point[]", 2),
point_arr = TArray("DebuggerTests.Point[]", "DebuggerTests.Point[2]"),
point = TValueType("DebuggerTests.Point")
}, "InspectValueTypeArrayLocalsInstanceAsync#locals");

Expand Down Expand Up @@ -642,6 +642,59 @@ public async Task InvalidAccessors() => await CheckInspectLocalsAtBreakpointSite
AssertEqual("undefined", res.Value["result"]?["type"]?.ToString(), "Expected to get undefined result for non-existant accessor");
}
});

[Theory]
[InlineData(false)]
[InlineData(true)]
public async Task InspectPrimitiveTypeMultiArrayLocals(bool use_cfo)
{
var debugger_test_loc = "dotnet://debugger-test.dll/debugger-array-test.cs";

var eval_expr = "window.setTimeout(function() { invoke_static_method (" +
$"'[debugger-test] DebuggerTests.MultiDimensionalArray:run'" +
"); }, 1);";

var pause_location = await EvaluateAndCheck(eval_expr, debugger_test_loc, 343, 12, "run");

var locals = await GetProperties(pause_location["callFrames"][0]["callFrameId"].Value<string>());
Assert.Equal(3, locals.Count());
var int_arr_1 = !use_cfo ?
await GetProperties(locals[0]["value"]["objectId"].Value<string>()) :
await GetObjectWithCFO((locals[0]["value"]["objectId"].Value<string>()));

CheckNumber(int_arr_1, "0", 0);
CheckNumber(int_arr_1, "1", 1);
var int_arr_2 = !use_cfo ?
await GetProperties(locals[1]["value"]["objectId"].Value<string>()) :
await GetObjectWithCFO((locals[1]["value"]["objectId"].Value<string>()));
CheckNumber(int_arr_2, "0, 0", 0);
CheckNumber(int_arr_2, "0, 1", 1);
CheckNumber(int_arr_2, "0, 2", 2);
CheckNumber(int_arr_2, "1, 0", 10);
CheckNumber(int_arr_2, "1, 1", 11);
CheckNumber(int_arr_2, "1, 2", 12);

var int_arr_3 = !use_cfo ?
await GetProperties(locals[2]["value"]["objectId"].Value<string>()) :
await GetObjectWithCFO((locals[2]["value"]["objectId"].Value<string>()));
CheckNumber(int_arr_3, "0, 0, 0", 0);
CheckNumber(int_arr_3, "0, 0, 1", 1);
CheckNumber(int_arr_3, "0, 0, 2", 2);
CheckNumber(int_arr_3, "0, 1, 0", 10);
CheckNumber(int_arr_3, "0, 1, 1", 11);
CheckNumber(int_arr_3, "0, 1, 2", 12);
CheckNumber(int_arr_3, "0, 2, 0", 20);
CheckNumber(int_arr_3, "0, 2, 1", 21);
CheckNumber(int_arr_3, "0, 2, 2", 22);
CheckNumber(int_arr_3, "1, 0, 0", 100);
CheckNumber(int_arr_3, "1, 0, 1", 101);
CheckNumber(int_arr_3, "1, 0, 2", 102);
CheckNumber(int_arr_3, "1, 1, 0", 110);
CheckNumber(int_arr_3, "1, 1, 1", 111);
CheckNumber(int_arr_3, "1, 1, 2", 112);
CheckNumber(int_arr_3, "1, 2, 0", 120);
CheckNumber(int_arr_3, "1, 2, 1", 121);
CheckNumber(int_arr_3, "1, 2, 2", 122);
}
}
}
2 changes: 1 addition & 1 deletion src/mono/wasm/debugger/DebuggerTestSuite/AssignmentTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ public class AssignmentTests : DebuggerTestBase
{ "MONO_TYPE_CHAR", TSymbol("0 '\u0000'"), TSymbol("97 'a'") },
{ "MONO_TYPE_STRING", TString(default), TString("hello") },
{ "MONO_TYPE_ENUM", TEnum("DebuggerTests.RGB", "Red"), TEnum("DebuggerTests.RGB", "Blue") },
{ "MONO_TYPE_ARRAY", TObject("byte[]", is_null: true), TArray("byte[]", 2) },
{ "MONO_TYPE_ARRAY", TObject("byte[]", is_null: true), TArray("byte[]", "byte[2]") },
{ "MONO_TYPE_VALUETYPE", TValueType("DebuggerTests.Point"), TValueType("DebuggerTests.Point") },
{ "MONO_TYPE_VALUETYPE2", TValueType("System.Decimal","0"), TValueType("System.Decimal", "1.1") },
{ "MONO_TYPE_GENERICINST", TObject("System.Func<int>", is_null: true), TDelegate("System.Func<int>", "int Prepare ()") },
Expand Down
8 changes: 4 additions & 4 deletions src/mono/wasm/debugger/DebuggerTestSuite/CallFunctionOnTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -361,7 +361,7 @@ public async Task RunOnJSObject(bool roundtrip) => await RunCallFunctionOn(
await CheckProps(obj_own_val, new
{
a_obj = TObject("Object"),
b_arr = TArray("Array", 2)
b_arr = TArray("Array", "Array(2)")
}, "obj_own");
});

Expand Down Expand Up @@ -641,7 +641,7 @@ public async Task PropertyGettersTest(string eval_fn, string method_name, int li
// Check arrays through getters

res = await InvokeGetter(obj, get_args_fn(new[] { "IntArray" }), cfo_fn);
await CheckValue(res.Value["result"], TArray("int[]", 2), $"{local_name}.IntArray");
await CheckValue(res.Value["result"], TArray("int[]", "int[2]"), $"{local_name}.IntArray");
{
var arr_elems = await GetProperties(res.Value["result"]?["objectId"]?.Value<string>());
var exp_elems = new[]
Expand All @@ -654,7 +654,7 @@ public async Task PropertyGettersTest(string eval_fn, string method_name, int li
}

res = await InvokeGetter(obj, get_args_fn(new[] { "DTArray" }), cfo_fn);
await CheckValue(res.Value["result"], TArray("System.DateTime[]", 2), $"{local_name}.DTArray");
await CheckValue(res.Value["result"], TArray("System.DateTime[]", "System.DateTime[2]"), $"{local_name}.DTArray");
{
var dt0 = new DateTime(6, 7, 8, 9, 10, 11);
var dt1 = new DateTime(1, 2, 3, 4, 5, 6);
Expand Down Expand Up @@ -944,7 +944,7 @@ async Task CheckCFOResult(Result result)
if (res_array_len < 0)
await CheckValue(result.Value["result"], TObject("Object"), $"cfo-res");
else
await CheckValue(result.Value["result"], TArray("Array", res_array_len), $"cfo-res");
await CheckValue(result.Value["result"], TArray("Array", $"Array({res_array_len})"), $"cfo-res");
}
}
}
Expand Down
2 changes: 1 addition & 1 deletion src/mono/wasm/debugger/DebuggerTestSuite/CustomViewTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ public async Task UsingDebuggerTypeProxy()
var props = await GetObjectOnFrame(frame, "myList");
Assert.Equal(1, props.Count());

CheckArray(props, "Items", "int[]", 4);
CheckArray(props, "Items", "int[]", "int[4]");

CheckObject(locals, "b", "DebuggerTests.WithProxy", description:"DebuggerTests.WithProxy");
props = await GetObjectOnFrame(frame, "b");
Expand Down
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