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Add support for array initializers as default values for scripting fields

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This commit is contained in:
Wojciech Figat
2021-12-06 16:45:03 +01:00
parent 05a37447a7
commit f4b62ce384
1 changed files with 41 additions and 0 deletions
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41
Source/Tools/Flax.Build/Bindings/BindingsGenerator.CSharp.cs
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@@ -144,6 +144,47 @@ namespace Flax.Build.Bindings
if (apiType != null && apiType.IsStruct)
return null;
// Special case for array initializers
if (value.StartsWith("{") && value.EndsWith("}") && !attribute)
{
if (valueType == null)
throw new Exception("Unknown type for value initializer of default value " + value);
TypeInfo itemType;
if (valueType.Type == "Array")
itemType = valueType.GenericArgs[0];
else if (valueType.IsArray)
{
itemType = (TypeInfo)value.Clone();
itemType.IsArray = false;
}
else
throw new Exception("Cannot use array initializer as default value for type " + valueType);
var sb = new StringBuilder();
var items = new List<string>();
var braces = 0;
for (int i = 1; i < value.Length - 1; i++)
{
var c = value[i];
if (c == ',' && braces == 0)
{
items.Add(sb.ToString());
sb.Clear();
continue;
}
else if (c == '(')
braces++;
else if (c == ')')
braces--;
sb.Append(c);
}
items.Add(sb.ToString());
sb.Clear();
sb.Append("new ").Append(GenerateCSharpNativeToManaged(buildData, valueType, caller)).Append('{');
for(int i = 0; i < items.Count; i++)
sb.Append(GenerateCSharpDefaultValueNativeToManaged(buildData, items[i], caller, itemType, attribute)).Append(',');
sb.Append('}');
return sb.ToString();
}
// Special case for value constructors
if (value.Contains('(') && value.Contains(')'))
return "new " + value;