From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.90_1) id 1uAnYT-0001CP-Jq for mharc-qemu-rust@gnu.org; Fri, 02 May 2025 06:23:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uAnYR-0001Bi-MR for qemu-rust@nongnu.org; Fri, 02 May 2025 06:23:39 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uAnYP-0000fy-63 for qemu-rust@nongnu.org; Fri, 02 May 2025 06:23:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1746181416; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=0wGtDv+e42FWFLc2rz5Xnqr0uS39xEo6CeUJ4+JJbog=; b=YNKPZwG7/G3y6lt2qZBKeKMJ0Z5soaDA/HoOXUjCUxBQl6TbpOi5edTZhfbZevJ/TI2NAV ZmHn9DJAqLObuurvX+Sush+X+z+nu+5jA0hduUICH9VT1VuiMK+D3OJjX9hbwNYMFgLJR0 JwxbVyUXc8yxobtzemDxGfFJlXSFsFE= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-266-naQ7wDbGN7GY2D5N2jjVgQ-1; Fri, 02 May 2025 06:23:35 -0400 X-MC-Unique: naQ7wDbGN7GY2D5N2jjVgQ-1 X-Mimecast-MFC-AGG-ID: naQ7wDbGN7GY2D5N2jjVgQ_1746181414 Received: by mail-wr1-f69.google.com with SMTP id ffacd0b85a97d-3913b2d355fso441774f8f.1 for ; Fri, 02 May 2025 03:23:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746181413; x=1746786213; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0wGtDv+e42FWFLc2rz5Xnqr0uS39xEo6CeUJ4+JJbog=; b=VCl3BNPV9+2fUi2Q84mhDIVxhEgzx7UEut9q1FiCIt8PPDeQAEzjFKM8qCy4pWOFNv XHl5H6jz0v5Ps6FOIxVViIcxz6xKNZ9MhF4d3Zo/+xwf7E+3asfHbGeC6gRi6KSn+174 OBOCW3ZycVPEV68R9b4qKG39jx+6s7Qud9Huek/c7vRe7q+HBUBRYRLI9bQMTbvLYUeg +/BuKxttM/DexJsHWa/cfEFA5vSsXmd0IDTs/6UgwYCEI0LG5x3l/JT/iW7GEE6np2sZ Vq+3MkK9OIux/hUJx6RYddsVKIrTad8sgbf/QrxfFDZIW+HwHtdUie3Ip1AG19RLLIMy euZA== X-Gm-Message-State: AOJu0YxN1/Bx0iND/EUsotiqbGesSTlTwQ/HSYQMuU8B18Cgqqs1KR+H HKYwbOZ7G/Vs9PSwfT4xZGpC64Pqs7p+rUYiC169UWtxu4eexxEfhRM+WsCv7CyZ/ovZmGJwcVY AchY5d+9/aT6nhprfmhzmR0+5zjNMV1YKbUJn/p2Ulkc7i1LXC8ByMScNxYk= X-Gm-Gg: ASbGncuZPnUkwacRfgJy5I3ZmhmcGZ3WzOyc0bSy614E0Zyi1v1+jVkLl+LApPaXMdC bliVWgXdFigy7qDNgmWY1MWz8JLe767QusmTM4FEVllprHXM+nT2jsvCVUbJCUhUi5ZU3SX1pGg ubtXISJ8KewbIVLwmy81voerybaFLX84/6ZjZGo6GQV+05fQRP7PBdHsYh1Hnq5XTlpf5uC1atz Pv+B2t/oYltyk17kt3vSCNSpamEmcWphgyzGWDAWArCZcLgKosna0hGdBWaELgdOWch46ji1NkF Dg4gSTjfsKD263I= X-Received: by 2002:a05:6000:2209:b0:399:6dc0:f15b with SMTP id ffacd0b85a97d-3a099af15f3mr1294154f8f.48.1746181413613; Fri, 02 May 2025 03:23:33 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHfMXw17xYz1tqsdhpeJ/VG91CpziOEli/SuErCOrID/k3V9+B2fqQEJvOky4PjVjinZ+XBpA== X-Received: by 2002:a05:6000:2209:b0:399:6dc0:f15b with SMTP id ffacd0b85a97d-3a099af15f3mr1294138f8f.48.1746181413173; Fri, 02 May 2025 03:23:33 -0700 (PDT) Received: from [192.168.10.48] ([151.95.54.106]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a099b16ea2sm1684645f8f.85.2025.05.02.03.23.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 May 2025 03:23:30 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: qemu-rust@nongnu.org Subject: [PATCH 3/9] rust: let bilge use "let ... else" Date: Fri, 2 May 2025 12:23:16 +0200 Message-ID: <20250502102323.104815-4-pbonzini@redhat.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250502102323.104815-1-pbonzini@redhat.com> References: <20250502102323.104815-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: ugMn8qGPoR9IY0qpVYxVCXNhpdmsh6lkYfEbIVmh7r0_1746181414 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true Received-SPF: pass client-ip=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.644, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-rust@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: QEMU Rust-related patches and discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 May 2025 10:23:40 -0000 Signed-off-by: Paolo Bonzini --- docs/devel/rust.rst | 3 -- subprojects/bilge-impl-0.2-rs.wrap | 2 - .../packagefiles/bilge-impl-1.63.0.patch | 45 ------------------- 3 files changed, 50 deletions(-) delete mode 100644 subprojects/packagefiles/bilge-impl-1.63.0.patch diff --git a/docs/devel/rust.rst b/docs/devel/rust.rst index c7dfba98de1..8167ff49aa9 100644 --- a/docs/devel/rust.rst +++ b/docs/devel/rust.rst @@ -76,9 +76,6 @@ are missing: * ``cast_mut()``/``cast_const()`` (1.65.0). Use ``as`` instead. -* "let ... else" (1.65.0). Use ``if let`` instead. This is currently patched - in QEMU's vendored copy of the bilge crate. - * Generic Associated Types (1.65.0) * ``CStr::from_bytes_with_nul()`` as a ``const`` function (1.72.0). diff --git a/subprojects/bilge-impl-0.2-rs.wrap b/subprojects/bilge-impl-0.2-rs.wrap index d14c3dc769b..4ccd376eb98 100644 --- a/subprojects/bilge-impl-0.2-rs.wrap +++ b/subprojects/bilge-impl-0.2-rs.wrap @@ -4,8 +4,6 @@ source_url = https://crates.io/api/v1/crates/bilge-impl/0.2.0/download source_filename = bilge-impl-0.2.0.tar.gz source_hash = feb11e002038ad243af39c2068c8a72bcf147acf05025dcdb916fcc000adb2d8 #method = cargo -patch_directory = bilge-impl-0.2-rs -diff_files = bilge-impl-1.63.0.patch # bump this version number on every change to meson.build or the patches: # v2 diff --git a/subprojects/packagefiles/bilge-impl-1.63.0.patch b/subprojects/packagefiles/bilge-impl-1.63.0.patch deleted file mode 100644 index 987428a6d65..00000000000 --- a/subprojects/packagefiles/bilge-impl-1.63.0.patch +++ /dev/null @@ -1,45 +0,0 @@ ---- a/src/shared/discriminant_assigner.rs -+++ b/src/shared/discriminant_assigner.rs -@@ -26,20 +26,20 @@ - let discriminant_expr = &discriminant.1; - let variant_name = &variant.ident; - -- let Expr::Lit(ExprLit { lit: Lit::Int(int), .. }) = discriminant_expr else { -+ if let Expr::Lit(ExprLit { lit: Lit::Int(int), .. }) = discriminant_expr { -+ let discriminant_value: u128 = int.base10_parse().unwrap_or_else(unreachable); -+ if discriminant_value > self.max_value() { -+ abort!(variant, "Value of variant exceeds the given number of bits") -+ } -+ -+ Some(discriminant_value) -+ } else { - abort!( - discriminant_expr, - "variant `{}` is not a number", variant_name; - help = "only literal integers currently supported" - ) -- }; -- -- let discriminant_value: u128 = int.base10_parse().unwrap_or_else(unreachable); -- if discriminant_value > self.max_value() { -- abort!(variant, "Value of variant exceeds the given number of bits") - } -- -- Some(discriminant_value) - } - - fn assign(&mut self, variant: &Variant) -> u128 { ---- a/src/shared/fallback.rs -+++ b/src/shared/fallback.rs -@@ -22,8 +22,9 @@ - } - Unnamed(fields) => { - let variant_fields = fields.unnamed.iter(); -- let Ok(fallback_value) = variant_fields.exactly_one() else { -- abort!(variant, "fallback variant must have exactly one field"; help = "use only one field or change to a unit variant") -+ let fallback_value = match variant_fields.exactly_one() { -+ Ok(ok) => ok, -+ _ => abort!(variant, "fallback variant must have exactly one field"; help = "use only one field or change to a unit variant") - }; - - if !is_last_variant { -- 2.49.0