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compiler, reflect: add support for named types

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This commit is contained in:
Damian Gryski
2023-02-28 16:09:00 -08:00
committed by Damian Gryski
parent 45f119de34
commit 7654d86d2c
4 changed files with 43 additions and 5 deletions
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compiler/interface.go
+7 -2
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@@ -112,6 +112,8 @@ func (c *compilerContext) getTypeCode(typ types.Type) llvm.Value {
typeFieldTypes = append(typeFieldTypes,
types.NewVar(token.NoPos, nil, "ptrTo", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "underlying", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "len", types.Typ[types.Uintptr]),
types.NewVar(token.NoPos, nil, "name", types.NewArray(types.Typ[types.Int8], int64(len(typ.Obj().Name())))),
)
case *types.Chan, *types.Slice:
typeFieldTypes = append(typeFieldTypes,
@@ -169,9 +171,12 @@ func (c *compilerContext) getTypeCode(typ types.Type) llvm.Value {
case *types.Basic:
typeFields = []llvm.Value{c.getTypeCode(types.NewPointer(typ))}
case *types.Named:
name := typ.Obj().Name()
typeFields = []llvm.Value{
c.getTypeCode(types.NewPointer(typ)), // ptrTo
c.getTypeCode(typ.Underlying()), // underlying
c.getTypeCode(types.NewPointer(typ)), // ptrTo
c.getTypeCode(typ.Underlying()), // underlying
llvm.ConstInt(c.uintptrType, uint64(len(name)), false), // length
c.ctx.ConstString(name, false), // name
}
metabyte |= 1 << 5 // "named" flag
case *types.Chan:
compiler/testdata/interface.ll
Vendored
+1 -1
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@@ -9,7 +9,7 @@ target triple = "wasm32-unknown-wasi"
@"reflect/types.type:basic:int" = linkonce_odr constant { i8, ptr } { i8 2, ptr @"reflect/types.type:pointer:basic:int" }, align 4
@"reflect/types.type:pointer:basic:int" = linkonce_odr constant { i8, ptr } { i8 21, ptr @"reflect/types.type:basic:int" }, align 4
@"reflect/types.type:pointer:named:error" = linkonce_odr constant { i8, ptr } { i8 21, ptr @"reflect/types.type:named:error" }, align 4
@"reflect/types.type:named:error" = linkonce_odr constant { i8, ptr, ptr } { i8 52, ptr @"reflect/types.type:pointer:named:error", ptr @"reflect/types.type:interface:{Error:func:{}{basic:string}}" }, align 4
@"reflect/types.type:named:error" = linkonce_odr constant { i8, ptr, ptr, i32, [5 x i8] } { i8 52, ptr @"reflect/types.type:pointer:named:error", ptr @"reflect/types.type:interface:{Error:func:{}{basic:string}}", i32 5, [5 x i8] c"error" }, align 4
@"reflect/types.type:interface:{Error:func:{}{basic:string}}" = linkonce_odr constant { i8, ptr } { i8 20, ptr @"reflect/types.type:pointer:interface:{Error:func:{}{basic:string}}" }, align 4
@"reflect/types.type:pointer:interface:{Error:func:{}{basic:string}}" = linkonce_odr constant { i8, ptr } { i8 21, ptr @"reflect/types.type:interface:{Error:func:{}{basic:string}}" }, align 4
@"reflect/types.type:pointer:interface:{String:func:{}{basic:string}}" = linkonce_odr constant { i8, ptr } { i8 21, ptr @"reflect/types.type:interface:{String:func:{}{basic:string}}" }, align 4