zig

commit 9e72f317354de029f7e77600901c8cabcaf48c3e (tree)
parent 6361d7a92824ff2b883625d133fec4fccfb3eef7
Author: Andrew Kelley <andrew@ziglang.org>
Date:   Mon, 10 May 2021 20:34:18 -0700

stage1: ignore enum ContainerLayout for comptime memory purposes

See #2115. The concept of `packed enum` and `extern enum` is
getting removed from the language.

Diffstat:
M
src/stage1/ir.cpp
 | 
23
+++++++----------------

1 file changed, 7 insertions(+), 16 deletions(-)
diff --git a/src/stage1/ir.cpp b/src/stage1/ir.cpp
@@ -30550,22 +30550,13 @@ static Error buf_read_value_bytes(IrAnalyze *ira, CodeGen *codegen, AstNode *sou
         case ZigTypeIdVector:
             return buf_read_value_bytes_array(ira, codegen, source_node, buf, val, val->type->data.vector.elem_type,
                     val->type->data.vector.len);
-        case ZigTypeIdEnum:
-            switch (val->type->data.enumeration.layout) {
-                case ContainerLayoutAuto:
-                    zig_panic("TODO buf_read_value_bytes enum auto");
-                case ContainerLayoutPacked:
-                    zig_panic("TODO buf_read_value_bytes enum packed");
-                case ContainerLayoutExtern: {
-                    ZigType *tag_int_type = val->type->data.enumeration.tag_int_type;
-                    src_assert(tag_int_type->id == ZigTypeIdInt, source_node);
-                    bigint_read_twos_complement(&val->data.x_enum_tag, buf, tag_int_type->data.integral.bit_count,
-                            codegen->is_big_endian, tag_int_type->data.integral.is_signed);
-                    return ErrorNone;
-                }
-            }
-            zig_unreachable();
-        case ZigTypeIdStruct:
+        case ZigTypeIdEnum: {
+            ZigType *tag_int_type = val->type->data.enumeration.tag_int_type;
+            src_assert(tag_int_type->id == ZigTypeIdInt, source_node);
+            bigint_read_twos_complement(&val->data.x_enum_tag, buf, tag_int_type->data.integral.bit_count,
+                    codegen->is_big_endian, tag_int_type->data.integral.is_signed);
+            return ErrorNone;
+        } case ZigTypeIdStruct:
             switch (val->type->data.structure.layout) {
                 case ContainerLayoutAuto: {
                     switch(val->type->data.structure.special){