introduce the enum literal type

see #683

2 files changed, 19 insertions, 0 deletions

diff --git a/src-self-hosted/ir.zig b/src-self-hosted/ir.zig
index 3f8c45aad7..8cdac92326 100644
--- a/src-self-hosted/ir.zig
+++ b/src-self-hosted/ir.zig
@@ -1186,6 +1186,7 @@ pub const Builder = struct {
             ast.Node.Id.AsyncAttribute => return error.Unimplemented,
             ast.Node.Id.ParamDecl => return error.Unimplemented,
             ast.Node.Id.FieldInitializer => return error.Unimplemented,
+            ast.Node.Id.EnumLiteral => return error.Unimplemented,
         }
     }
 
diff --git a/src-self-hosted/type.zig b/src-self-hosted/type.zig
index 4c9fb58a18..5a8dc47ef9 100644
--- a/src-self-hosted/type.zig
+++ b/src-self-hosted/type.zig
@@ -32,6 +32,7 @@ pub const Type = struct {
             Id.Array => @fieldParentPtr(Array, "base", base).destroy(comp),
             Id.ComptimeFloat => @fieldParentPtr(ComptimeFloat, "base", base).destroy(comp),
             Id.ComptimeInt => @fieldParentPtr(ComptimeInt, "base", base).destroy(comp),
+            Id.EnumLiteral => @fieldParentPtr(EnumLiteral, "base", base).destroy(comp),
             Id.Undefined => @fieldParentPtr(Undefined, "base", base).destroy(comp),
             Id.Null => @fieldParentPtr(Null, "base", base).destroy(comp),
             Id.Optional => @fieldParentPtr(Optional, "base", base).destroy(comp),
@@ -65,6 +66,7 @@ pub const Type = struct {
             Id.Array => return @fieldParentPtr(Array, "base", base).getLlvmType(allocator, llvm_context),
             Id.ComptimeFloat => unreachable,
             Id.ComptimeInt => unreachable,
+            Id.EnumLiteral => unreachable,
             Id.Undefined => unreachable,
             Id.Null => unreachable,
             Id.Optional => return @fieldParentPtr(Optional, "base", base).getLlvmType(allocator, llvm_context),
@@ -85,6 +87,7 @@ pub const Type = struct {
             Id.Type,
             Id.ComptimeFloat,
             Id.ComptimeInt,
+            Id.EnumLiteral,
             Id.Undefined,
             Id.Null,
             Id.BoundFn,
@@ -118,6 +121,7 @@ pub const Type = struct {
             Id.Type,
             Id.ComptimeFloat,
             Id.ComptimeInt,
+            Id.EnumLiteral,
             Id.Undefined,
             Id.Null,
             Id.BoundFn,
@@ -940,6 +944,20 @@ pub const Type = struct {
         }
     };
 
+    pub const EnumLiteral = struct {
+        base: Type,
+
+        /// Adds 1 reference to the resulting type
+        pub fn get(comp: *Compilation) *EnumLiteral {
+            comp.comptime_int_type.base.base.ref();
+            return comp.comptime_int_type;
+        }
+
+        pub fn destroy(self: *EnumLiteral, comp: *Compilation) void {
+            comp.gpa().destroy(self);
+        }
+    };
+
     pub const Undefined = struct {
         base: Type,