[wa-info] Show function type and tbl index for call.indirect

Author: radekdoulik

src/mono/wasm/tools/wa-info/WasmReader.cs

@@ -795,6 +795,10 @@ public string FunctionName(UInt32 idx)
         {
             return functionNames[idx];
         }
+        public string FunctionType(UInt32 idx)
+        {
+            return functionTypes[idx].ToString();
+        }
 
         public string GlobalName(UInt32 idx)
         {

src/mono/wasm/tools/wa-info/WasmStucts.cs

@@ -43,6 +43,9 @@ public string ToString(WasmReader? reader)
                     return $"{opStr} {GlobalName(Idx, reader)}";
                 case Opcode.Call:
                     return $"{opStr} {FunctionName(Idx, reader)}";
+                case Opcode.Call_Indirect:
+                    var table = Idx2 == 0 ? "" : $" table:{Idx2}";
+                    return $"{opStr} {FunctionType(Idx, reader)}{table}";
                 case Opcode.I32_Const:
                     return $"{opStr} {I32}";
                 case Opcode.I64_Const:
@@ -92,6 +95,14 @@ static string FunctionName(UInt32 idx, WasmReader? reader)
             return reader.FunctionName(idx);
         }
 
+        static string FunctionType(UInt32 idx, WasmReader? reader)
+        {
+            if (reader == null)
+                return $"[{idx.ToString()}]";
+
+            return reader.FunctionType(idx);
+        }
+
         static string GlobalName(UInt32 idx, WasmReader? reader)
         {
             if (reader == null)