From 395ec4239eec2e34e1f6df8323c5657c77db2e98 Mon Sep 17 00:00:00 2001
From: TwoClocks <5883156+TwoClocks@users.noreply.github.com>
Date: Tue, 26 Jul 2022 10:20:40 -0700
Subject: [PATCH] Pragma: make pack level nullable

---
 src/Parser.zig       | 2 +-
 src/pragmas/pack.zig | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/Parser.zig b/src/Parser.zig
index f8a1bf7c..6f2cbe53 100644
--- a/src/Parser.zig
+++ b/src/Parser.zig
@@ -161,7 +161,7 @@ record: struct {
 record_members: std.ArrayListUnmanaged(struct { tok: TokenIndex, name: StringId }) = .{},
 @"switch": ?*Switch = null,
 in_loop: bool = false,
-pragma_pack: u8 = 8,
+pragma_pack: ?u8 = null,
 declspec_id: StringId,
 
 fn checkIdentifierCodepoint(comp: *Compilation, codepoint: u21, loc: Source.Location) Compilation.Error!bool {
diff --git a/src/pragmas/pack.zig b/src/pragmas/pack.zig
index 5f857043..4feb1169 100644
--- a/src/pragmas/pack.zig
+++ b/src/pragmas/pack.zig
@@ -63,7 +63,7 @@ fn parserHandler(pragma: *Pragma, p: *Parser, start_idx: TokenIndex) Compilation
                     try p.pp.comp.diag.add(.{
                         .tag = .pragma_pack_show,
                         .loc = arg.loc,
-                        .extra = .{ .unsigned = p.pragma_pack },
+                        .extra = .{ .unsigned = p.pragma_pack orelse 8 },
                     }, arg.expansionSlice());
                 },
                 .push, .pop => {
@@ -96,7 +96,7 @@ fn parserHandler(pragma: *Pragma, p: *Parser, start_idx: TokenIndex) Compilation
                         }
                     }
                     if (action == .push) {
-                        try pack.stack.append(p.pp.comp.gpa, .{ .label = label orelse "", .val = p.pragma_pack });
+                        try pack.stack.append(p.pp.comp.gpa, .{ .label = label orelse "", .val = p.pragma_pack orelse 8 });
                     } else {
                         pack.pop(p, label);
                         if (new_val != null) {
@@ -120,7 +120,7 @@ fn parserHandler(pragma: *Pragma, p: *Parser, start_idx: TokenIndex) Compilation
         .r_paren => if (apple_or_xl) {
             pack.pop(p, null);
         } else {
-            p.pragma_pack = 8;
+            p.pragma_pack = null;
         },
         .integer_literal => {
             idx += 1;