Add runtime support for string indexing.

vddCore · Aug 1, 2024 · 00e214b · 00e214b
1 parent a6389b6
commit 00e214b
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Showing 2 changed files with 13 additions and 1 deletion.
diff --git a/VirtualMachine/EVIL.Ceres/EVIL.Ceres.csproj b/VirtualMachine/EVIL.Ceres/EVIL.Ceres.csproj
@@ -8,7 +8,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <EnableUnsafeBinaryFormatterSerialization>true</EnableUnsafeBinaryFormatterSerialization>
 
-    <Version>7.7.0</Version>
+    <Version>7.8.0</Version>
 
     <IsPackable>false</IsPackable>
   </PropertyGroup>

diff --git a/VirtualMachine/EVIL.Ceres/ExecutionEngine/ExecutionUnit.cs b/VirtualMachine/EVIL.Ceres/ExecutionEngine/ExecutionUnit.cs
@@ -1304,6 +1304,18 @@ public void Step()
                     a = PopValue(); // Key
                     c = PopValue(); // Table
 
+                    if (c.Type == DynamicValueType.String && a.Type == DynamicValueType.String)
+                    {
+                        c = _global.Index("str");
+
+                        if (c.Type != DynamicValueType.Table)
+                        {
+                            throw new UnsupportedDynamicValueOperationException(
+                                "Attempt to index a string value using a string, but no `str' support table found."
+                            );
+                        }
+                    }
+
                     if (c.Type == DynamicValueType.Table)
                     {
                         if (!c.Table!.Contains(a))