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Comptime GetCustomAttribute for type/field/method

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This commit is contained in:
Brian Fiete 2022-02-17 05:51:05 -05:00
parent 434a7406de
commit 4c5c89bab5
8 changed files with 110 additions and 13 deletions
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21
IDEHelper/Tests/src/Comptime.bf
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@ -7,6 +7,21 @@ namespace Tests
{
class Comptime
{
[AttributeUsage(.All)]
struct AddFieldAttribute : Attribute
{
public Type mType;
public String mName;
public int mVal;
public this(Type type, String name, int val)
{
mType = type;
mName = name;
mVal = val;
}
}
[AttributeUsage(.All)]
struct IFaceAAttribute : Attribute, IComptimeTypeApply
{
@ -33,6 +48,7 @@ namespace Tests
Compiler.EmitTypeBody(type, scope $"""
public int32 m{mMemberName} = {mInitVal};
public int32 GetVal{mMemberName}() => mC;
""");
}
}
@ -65,6 +81,7 @@ namespace Tests
}
}
[AddField(typeof(float), "D", 4)]
[IFaceA("C", InitVal=345)]
class ClassA
{
@ -76,7 +93,10 @@ namespace Tests
Compiler.EmitTypeBody(typeof(Self), """
public int32 mB = 234;
public int32 GetValB() => mB;
""");
if (var addFieldAttr = typeof(Self).GetCustomAttribute<AddFieldAttribute>())
Compiler.EmitTypeBody(typeof(Self), scope $"public {addFieldAttr.mType} {addFieldAttr.mName} = {addFieldAttr.mVal};");
}
}
@ -469,6 +489,7 @@ namespace Tests
Test.Assert(ca.GetValB() == 234);
Test.Assert(ca.mC == 345);
Test.Assert(ca.GetValC() == 345);
Test.Assert(ca.D == 4);
StructA sa = .();
Test.Assert(sa.mA == 123);