Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 258 insertions, 0 deletions

diff --git a/accessible/xpcom/AccEventGen.py b/accessible/xpcom/AccEventGen.py
new file mode 100755
index 0000000000..ef253bd2a9
--- /dev/null
+++ b/accessible/xpcom/AccEventGen.py
@@ -0,0 +1,258 @@
+#!/usr/bin/env python
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+from __future__ import absolute_import
+import os
+
+import buildconfig
+import mozpack.path as mozpath
+
+from xpidl import xpidl
+
+# Load the webidl configuration file.
+glbl = {}
+exec(
+    open(
+        mozpath.join(buildconfig.topsrcdir, "dom", "bindings", "Bindings.conf")
+    ).read(),
+    glbl,
+)
+webidlconfig = glbl["DOMInterfaces"]
+
+# Instantiate the parser.
+p = xpidl.IDLParser()
+
+
+def findIDL(includePath, interfaceFileName):
+    for d in includePath:
+        path = mozpath.join(d, interfaceFileName)
+        if os.path.exists(path):
+            return path
+    raise BaseException(
+        "No IDL file found for interface %s "
+        "in include path %r" % (interfaceFileName, includePath)
+    )
+
+
+def loadEventIDL(parser, includePath, eventname):
+    eventidl = "nsIAccessible%s.idl" % eventname
+    idlFile = findIDL(includePath, eventidl)
+    idl = p.parse(open(idlFile).read(), idlFile)
+    idl.resolve(includePath, p, webidlconfig)
+    return idl, idlFile
+
+
+class Configuration:
+    def __init__(self, filename):
+        config = {}
+        exec(open(filename).read(), config)
+        self.simple_events = config.get("simple_events", [])
+
+
+def firstCap(str):
+    return str[0].upper() + str[1:]
+
+
+def writeAttributeParams(a):
+    return "%s a%s" % (a.realtype.nativeType("in"), firstCap(a.name))
+
+
+def print_header_file(fd, conf, incdirs):
+    idl_paths = set()
+
+    fd.write("/* THIS FILE IS AUTOGENERATED - DO NOT EDIT */\n")
+    fd.write(
+        "#ifndef _mozilla_a11y_generated_AccEvents_h_\n"
+        "#define _mozilla_a11y_generated_AccEvents_h_\n\n"
+    )
+    fd.write('#include "nscore.h"\n')
+    fd.write('#include "nsCOMPtr.h"\n')
+    fd.write('#include "nsCycleCollectionParticipant.h"\n')
+    fd.write('#include "nsString.h"\n')
+    for e in conf.simple_events:
+        fd.write('#include "nsIAccessible%s.h"\n' % e)
+    for e in conf.simple_events:
+        idl, idl_path = loadEventIDL(p, incdirs, e)
+        idl_paths.add(idl_path)
+        for iface in filter(lambda p: p.kind == "interface", idl.productions):
+            classname = "xpcAcc%s" % e
+            baseinterfaces = interfaces(iface)
+
+            fd.write("\nclass %s final : public %s\n" % (classname, iface.name))
+            fd.write("{\n")
+            fd.write("public:\n")
+
+            attributes = allAttributes(iface)
+            args = map(writeAttributeParams, attributes)
+            fd.write("  %s(%s) :\n" % (classname, ", ".join(args)))
+
+            initializers = []
+            for a in attributes:
+                initializers.append("m%s(a%s)" % (firstCap(a.name), firstCap(a.name)))
+            fd.write("  %s\n  {}\n\n" % ", ".join(initializers))
+            fd.write("  NS_DECL_CYCLE_COLLECTING_ISUPPORTS\n")
+            fd.write("  NS_DECL_CYCLE_COLLECTION_CLASS(%s)\n" % (classname))
+
+            for iface in filter(lambda i: i.name != "nsISupports", baseinterfaces):
+                fd.write("  NS_DECL_%s\n" % iface.name.upper())
+
+            fd.write("\nprivate:\n")
+            fd.write("  ~%s() {}\n\n" % classname)
+            for a in attributes:
+                fd.write("  %s\n" % attributeVariableTypeAndName(a))
+            fd.write("};\n\n")
+
+    fd.write("#endif\n")
+
+    return idl_paths
+
+
+def interfaceAttributeTypes(idl):
+    ifaces = filter(lambda p: p.kind == "interface", idl.productions)
+    attributes = []
+    for i in ifaces:
+        ifaceAttributes = allAttributes(i)
+        attributes.extend(ifaceAttributes)
+    ifaceAttrs = filter(lambda a: a.realtype.nativeType("in").endswith("*"), attributes)
+    return map(lambda a: a.realtype.nativeType("in").strip(" *"), ifaceAttrs)
+
+
+def print_cpp(idl, fd, conf, eventname):
+    for p in idl.productions:
+        if p.kind == "interface":
+            write_cpp(eventname, p, fd)
+
+
+def print_cpp_file(fd, conf, incdirs):
+    idl_paths = set()
+    fd.write("/* THIS FILE IS AUTOGENERATED - DO NOT EDIT */\n\n")
+    fd.write('#include "xpcAccEvents.h"\n')
+
+    includes = []
+    for e in conf.simple_events:
+        if e not in includes:
+            includes.append(("nsIAccessible%s" % e))
+
+    types = []
+    for e in conf.simple_events:
+        idl, idl_path = loadEventIDL(p, incdirs, e)
+        idl_paths.add(idl_path)
+        types.extend(interfaceAttributeTypes(idl))
+
+    for c in types:
+        fd.write('#include "%s.h"\n' % c)
+
+    fd.write("\n")
+    for e in conf.simple_events:
+        idl, idl_path = loadEventIDL(p, incdirs, e)
+        idl_paths.add(idl_path)
+        print_cpp(idl, fd, conf, e)
+
+    return idl_paths
+
+
+def attributeVariableTypeAndName(a):
+    if a.realtype.nativeType("in").endswith("*"):
+        l = [
+            "nsCOMPtr<%s> m%s;"
+            % (a.realtype.nativeType("in").strip("* "), firstCap(a.name))
+        ]
+    elif a.realtype.nativeType("in").count("nsAString"):
+        l = ["nsString m%s;" % firstCap(a.name)]
+    elif a.realtype.nativeType("in").count("nsACString"):
+        l = ["nsCString m%s;" % firstCap(a.name)]
+    else:
+        l = ["%sm%s;" % (a.realtype.nativeType("in"), firstCap(a.name))]
+    return ", ".join(l)
+
+
+def writeAttributeGetter(fd, classname, a):
+    fd.write("NS_IMETHODIMP\n")
+    fd.write("%s::Get%s(" % (classname, firstCap(a.name)))
+    if a.realtype.nativeType("in").endswith("*"):
+        fd.write(
+            "%s** a%s" % (a.realtype.nativeType("in").strip("* "), firstCap(a.name))
+        )
+    elif a.realtype.nativeType("in").count("nsAString"):
+        fd.write("nsAString& a%s" % firstCap(a.name))
+    elif a.realtype.nativeType("in").count("nsACString"):
+        fd.write("nsACString& a%s" % firstCap(a.name))
+    else:
+        fd.write("%s*a%s" % (a.realtype.nativeType("in"), firstCap(a.name)))
+    fd.write(")\n")
+    fd.write("{\n")
+    if a.realtype.nativeType("in").endswith("*"):
+        fd.write("  NS_IF_ADDREF(*a%s = m%s);\n" % (firstCap(a.name), firstCap(a.name)))
+    elif a.realtype.nativeType("in").count("nsAString"):
+        fd.write("  a%s = m%s;\n" % (firstCap(a.name), firstCap(a.name)))
+    elif a.realtype.nativeType("in").count("nsACString"):
+        fd.write("  a%s = m%s;\n" % (firstCap(a.name), firstCap(a.name)))
+    else:
+        fd.write("  *a%s = m%s;\n" % (firstCap(a.name), firstCap(a.name)))
+    fd.write("  return NS_OK;\n")
+    fd.write("}\n\n")
+
+
+def interfaces(iface):
+    interfaces = []
+    while iface.base:
+        interfaces.append(iface)
+        iface = iface.idl.getName(xpidl.TypeId(iface.base), iface.location)
+    interfaces.append(iface)
+    interfaces.reverse()
+    return interfaces
+
+
+def allAttributes(iface):
+    attributes = []
+    for i in interfaces(iface):
+        attrs = filter(lambda m: isinstance(m, xpidl.Attribute), i.members)
+        attributes.extend(attrs)
+
+    return attributes
+
+
+def write_cpp(eventname, iface, fd):
+    classname = "xpcAcc%s" % eventname
+    attributes = allAttributes(iface)
+    ccattributes = filter(
+        lambda m: m.realtype.nativeType("in").endswith("*"), attributes
+    )
+    fd.write("NS_IMPL_CYCLE_COLLECTION(%s" % classname)
+    for c in ccattributes:
+        fd.write(", m%s" % firstCap(c.name))
+    fd.write(")\n\n")
+
+    fd.write("NS_IMPL_CYCLE_COLLECTING_ADDREF(%s)\n" % classname)
+    fd.write("NS_IMPL_CYCLE_COLLECTING_RELEASE(%s)\n\n" % classname)
+
+    fd.write("NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(%s)\n" % classname)
+    for baseiface in interfaces(iface):
+        fd.write("  NS_INTERFACE_MAP_ENTRY(%s)\n" % baseiface.name)
+    fd.write("NS_INTERFACE_MAP_END\n\n")
+
+    for a in attributes:
+        writeAttributeGetter(fd, classname, a)
+
+
+def get_conf(conf_file):
+    conf = Configuration(conf_file)
+    inc_dir = [
+        mozpath.join(buildconfig.topsrcdir, "accessible", "interfaces"),
+        mozpath.join(buildconfig.topsrcdir, "xpcom", "base"),
+    ]
+    return conf, inc_dir
+
+
+def gen_files(fd, conf_file):
+    deps = set()
+    conf, inc_dir = get_conf(conf_file)
+    deps.update(print_header_file(fd, conf, inc_dir))
+    with open(
+        os.path.join(os.path.dirname(fd.name), "xpcAccEvents.cpp"), "w"
+    ) as cpp_fd:
+        deps.update(print_cpp_file(cpp_fd, conf, inc_dir))
+    return deps