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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /accessible/xpcom/AccEventGen.py | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rwxr-xr-x | accessible/xpcom/AccEventGen.py | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/accessible/xpcom/AccEventGen.py b/accessible/xpcom/AccEventGen.py new file mode 100755 index 0000000000..791b57827d --- /dev/null +++ b/accessible/xpcom/AccEventGen.py @@ -0,0 +1,256 @@ +#!/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/. + +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 |