From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gateway36.websitewelcome.com (gateway36.websitewelcome.com [50.116.126.2]) by sourceware.org (Postfix) with ESMTPS id C186B3951C0E for ; Sat, 20 Feb 2021 20:16:43 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org C186B3951C0E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=tom@tromey.com Received: from cm16.websitewelcome.com (cm16.websitewelcome.com [100.42.49.19]) by gateway36.websitewelcome.com (Postfix) with ESMTP id 03B77400CA8AB for ; Sat, 20 Feb 2021 14:16:36 -0600 (CST) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with SMTP id DYg7ldObgHPnUDYg7l4D9G; Sat, 20 Feb 2021 14:16:35 -0600 X-Authority-Reason: nr=8 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Sender:Reply-To:Cc:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=9hhPWWp+AaWtB/xyXfI1EQUSV5srvy8/SBqJ9dakBxE=; b=Im1X7pmDrNwoiJfKRNC9KPgZjk /DbTQGdfU/sCijFON/M8d3ruapBOC20DvU4GvRLzLDh0WhtZT8shbadcpojRUAsIlLpmQ+MIdPOxZ WopSz4muKQrK7UpTeZIlZgasm; Received: from 97-122-70-152.hlrn.qwest.net ([97.122.70.152]:52692 helo=localhost.localdomain) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1lDYg7-000GZH-PU for gdb-patches@sourceware.org; Sat, 20 Feb 2021 13:16:35 -0700 From: Tom Tromey To: gdb-patches@sourceware.org Subject: [PATCH v3 106/206] Implement unary increment and decrement operations Date: Sat, 20 Feb 2021 13:14:29 -0700 Message-Id: <20210220201609.838264-107-tom@tromey.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210220201609.838264-1-tom@tromey.com> References: <20210220201609.838264-1-tom@tromey.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - sourceware.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 97.122.70.152 X-Source-L: No X-Exim-ID: 1lDYg7-000GZH-PU X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 97-122-70-152.hlrn.qwest.net (localhost.localdomain) [97.122.70.152]:52692 X-Source-Auth: tom+tromey.com X-Email-Count: 107 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3034.8 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, GIT_PATCH_0, JMQ_SPF_NEUTRAL, RCVD_IN_DNSWL_NONE, SPF_HELO_PASS, SPF_NEUTRAL, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Feb 2021 20:16:53 -0000 This implements the unary increment and decrement operations, "++" and "--". gdb/ChangeLog 2021-02-20 Tom Tromey * expop.h (unop_incr_operation): New template. (preinc_operation, predec_operation, postinc_operation) (postdec_operation): New typedefs. * eval.c (eval_op_preinc, eval_op_predec, eval_op_postinc) (eval_op_postdec): No longer static. --- gdb/ChangeLog | 8 ++++++++ gdb/eval.c | 8 ++++---- gdb/expop.h | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 62 insertions(+), 4 deletions(-) diff --git a/gdb/eval.c b/gdb/eval.c index 7f1b37c7252..f65a2d63791 100644 --- a/gdb/eval.c +++ b/gdb/eval.c @@ -1902,7 +1902,7 @@ eval_op_memval (struct type *expect_type, struct expression *exp, /* A helper function for UNOP_PREINCREMENT. */ -static struct value * +struct value * eval_op_preinc (struct type *expect_type, struct expression *exp, enum noside noside, enum exp_opcode op, struct value *arg1) @@ -1933,7 +1933,7 @@ eval_op_preinc (struct type *expect_type, struct expression *exp, /* A helper function for UNOP_PREDECREMENT. */ -static struct value * +struct value * eval_op_predec (struct type *expect_type, struct expression *exp, enum noside noside, enum exp_opcode op, struct value *arg1) @@ -1964,7 +1964,7 @@ eval_op_predec (struct type *expect_type, struct expression *exp, /* A helper function for UNOP_POSTINCREMENT. */ -static struct value * +struct value * eval_op_postinc (struct type *expect_type, struct expression *exp, enum noside noside, enum exp_opcode op, struct value *arg1) @@ -1998,7 +1998,7 @@ eval_op_postinc (struct type *expect_type, struct expression *exp, /* A helper function for UNOP_POSTDECREMENT. */ -static struct value * +struct value * eval_op_postdec (struct type *expect_type, struct expression *exp, enum noside noside, enum exp_opcode op, struct value *arg1) diff --git a/gdb/expop.h b/gdb/expop.h index abd914ad574..ec73109f8a3 100644 --- a/gdb/expop.h +++ b/gdb/expop.h @@ -162,6 +162,26 @@ extern struct value *eval_op_lognot (struct type *expect_type, enum noside noside, enum exp_opcode op, struct value *arg1); +extern struct value *eval_op_preinc (struct type *expect_type, + struct expression *exp, + enum noside noside, + enum exp_opcode op, + struct value *arg1); +extern struct value *eval_op_predec (struct type *expect_type, + struct expression *exp, + enum noside noside, + enum exp_opcode op, + struct value *arg1); +extern struct value *eval_op_postinc (struct type *expect_type, + struct expression *exp, + enum noside noside, + enum exp_opcode op, + struct value *arg1); +extern struct value *eval_op_postdec (struct type *expect_type, + struct expression *exp, + enum noside noside, + enum exp_opcode op, + struct value *arg1); namespace expr { @@ -1316,6 +1336,36 @@ using unary_complement_operation using unary_logical_not_operation = usual_ax_unop_operation; +/* Handle pre- and post- increment and -decrement. */ +template +class unop_incr_operation + : public tuple_holding_operation +{ +public: + + using tuple_holding_operation::tuple_holding_operation; + + value *evaluate (struct type *expect_type, + struct expression *exp, + enum noside noside) override + { + value *val = std::get<0> (m_storage)->evaluate (expect_type, exp, noside); + return FUNC (expect_type, exp, noside, OP, val); + } + + enum exp_opcode opcode () const override + { return OP; } +}; + +using preinc_operation + = unop_incr_operation; +using predec_operation + = unop_incr_operation; +using postinc_operation + = unop_incr_operation; +using postdec_operation + = unop_incr_operation; + } /* namespace expr */ #endif /* EXPOP_H */ -- 2.26.2