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GET /api/patches/812319/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 812319,
    "url": "http://patchwork.ozlabs.org/api/patches/812319/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170911110623.24981-10-marcandre.lureau@redhat.com/",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api",
        "name": "QEMU Development",
        "link_name": "qemu-devel",
        "list_id": "qemu-devel.nongnu.org",
        "list_email": "qemu-devel@nongnu.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170911110623.24981-10-marcandre.lureau@redhat.com>",
    "list_archive_url": null,
    "date": "2017-09-11T11:05:42",
    "name": "[v3,09/50] qapi: add #if/#endif helpers",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "bc79195134673f2e0213a3010b762f62e7919627",
    "submitter": {
        "id": 66774,
        "url": "http://patchwork.ozlabs.org/api/people/66774/?format=api",
        "name": "Marc-André Lureau",
        "email": "marcandre.lureau@redhat.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170911110623.24981-10-marcandre.lureau@redhat.com/mbox/",
    "series": [
        {
            "id": 2480,
            "url": "http://patchwork.ozlabs.org/api/series/2480/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=2480",
            "date": "2017-09-11T11:05:33",
            "name": "Hi,",
            "version": 3,
            "mbox": "http://patchwork.ozlabs.org/series/2480/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/812319/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/812319/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>",
        "X-Original-To": "incoming@patchwork.ozlabs.org",
        "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org",
        "Authentication-Results": [
            "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)",
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            "ext-mx02.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=marcandre.lureau@redhat.com"
        ],
        "Received": [
            "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xrQJS1fDnz9s7G\n\tfor <incoming@patchwork.ozlabs.org>;\n\tMon, 11 Sep 2017 21:12:56 +1000 (AEST)",
            "from localhost ([::1]:56764 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1drMe6-0001Qi-6m\n\tfor incoming@patchwork.ozlabs.org; Mon, 11 Sep 2017 07:12:54 -0400",
            "from eggs.gnu.org ([2001:4830:134:3::10]:42815)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <marcandre.lureau@redhat.com>) id 1drMYM-00057u-8J\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 07:07:03 -0400",
            "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <marcandre.lureau@redhat.com>) id 1drMYI-0006Ah-Ci\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 07:06:58 -0400",
            "from mx1.redhat.com ([209.132.183.28]:58306)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <marcandre.lureau@redhat.com>)\n\tid 1drMYI-0006AY-6q\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 07:06:54 -0400",
            "from smtp.corp.redhat.com\n\t(int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 5B6A11A2263;\n\tMon, 11 Sep 2017 11:06:53 +0000 (UTC)",
            "from localhost (ovpn-112-47.ams2.redhat.com [10.36.112.47])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 3AB755C684;\n\tMon, 11 Sep 2017 11:06:51 +0000 (UTC)"
        ],
        "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 5B6A11A2263",
        "From": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>",
        "To": "qemu-devel@nongnu.org",
        "Date": "Mon, 11 Sep 2017 13:05:42 +0200",
        "Message-Id": "<20170911110623.24981-10-marcandre.lureau@redhat.com>",
        "In-Reply-To": "<20170911110623.24981-1-marcandre.lureau@redhat.com>",
        "References": "<20170911110623.24981-1-marcandre.lureau@redhat.com>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=UTF-8",
        "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.13",
        "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.26]);\n\tMon, 11 Sep 2017 11:06:53 +0000 (UTC)",
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        "X-Received-From": "209.132.183.28",
        "Subject": "[Qemu-devel] [PATCH v3 09/50] qapi: add #if/#endif helpers",
        "X-BeenThere": "qemu-devel@nongnu.org",
        "X-Mailman-Version": "2.1.21",
        "Precedence": "list",
        "List-Id": "<qemu-devel.nongnu.org>",
        "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>",
        "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>",
        "List-Post": "<mailto:qemu-devel@nongnu.org>",
        "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>",
        "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>",
        "Cc": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n\tarmbru@redhat.com, Michael Roth <mdroth@linux.vnet.ibm.com>",
        "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org",
        "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>"
    },
    "content": "Add helpers to wrap generated code with #if/#endif lines.\n\nAdd a function decorator that will be used to wrap visitor methods.\nThe decorator will check if code was generated before adding #if/#endif\nlines. Used in the following patches.\n\nSigned-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>\n---\n scripts/qapi.py | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 55 insertions(+)",
    "diff": "diff --git a/scripts/qapi.py b/scripts/qapi.py\nindex 2a8e60e975..94b735d8d6 100644\n--- a/scripts/qapi.py\n+++ b/scripts/qapi.py\n@@ -1897,6 +1897,61 @@ def guardend(name):\n                  name=guardname(name))\n \n \n+def gen_if(ifcond):\n+    if not ifcond:\n+        return ''\n+    if isinstance(ifcond, str):\n+        ifcond = [ifcond]\n+    ret = ''\n+    for ifc in ifcond:\n+        ret += mcgen('''\n+#if %(cond)s\n+''', cond=ifc)\n+    return ret\n+\n+\n+def gen_endif(ifcond):\n+    if not ifcond:\n+        return ''\n+    if isinstance(ifcond, str):\n+        ifcond = [ifcond]\n+    ret = ''\n+    for ifc in reversed(ifcond):\n+        ret += mcgen('''\n+#endif /* %(cond)s */\n+''', cond=ifc)\n+    return ret\n+\n+\n+# Wrap a method to add #if / #endif to generated code, only if some\n+# code was generated. The method must have an 'ifcond' argument.\n+# self must have 'if_members' listing the attributes to wrap.\n+def ifcond_decorator(func):\n+\n+    def func_wrapper(self, *args, **kwargs):\n+        import inspect\n+        idx = inspect.getargspec(func).args.index('ifcond')\n+        ifcond = args[idx - 1]\n+        save = {}\n+        for mem in self.if_members:\n+            save[mem] = getattr(self, mem)\n+        func(self, *args, **kwargs)\n+        for mem, val in save.items():\n+            newval = getattr(self, mem)\n+            if newval != val:\n+                assert newval.startswith(val)\n+                newval = newval[len(val):]\n+                if newval[0] == '\\n':\n+                    val += '\\n'\n+                    newval = newval[1:]\n+                val += gen_if(ifcond)\n+                val += newval\n+                val += gen_endif(ifcond)\n+            setattr(self, mem, val)\n+\n+    return func_wrapper\n+\n+\n def gen_enum_lookup(name, values, prefix=None):\n     ret = mcgen('''\n \n",
    "prefixes": [
        "v3",
        "09/50"
    ]
}