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-rw-r--r--Makefile.am8
-rwxr-xr-xobjectivec/DevTools/compile_testing_protos.sh70
-rw-r--r--objectivec/ProtocolBuffers_OSX.xcodeproj/project.pbxproj4
-rw-r--r--objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj4
-rw-r--r--objectivec/Tests/GPBMessageTests+Runtime.m20
-rw-r--r--objectivec/Tests/GPBUnittestProtos.m8
-rw-r--r--objectivec/Tests/GPBUnittestProtos2.m34
-rw-r--r--objectivec/Tests/unittest_cycle.proto6
-rw-r--r--objectivec/Tests/unittest_extension_chain_a.proto51
-rw-r--r--objectivec/Tests/unittest_extension_chain_b.proto47
-rw-r--r--objectivec/Tests/unittest_extension_chain_c.proto45
-rw-r--r--objectivec/Tests/unittest_extension_chain_d.proto49
-rw-r--r--objectivec/Tests/unittest_extension_chain_e.proto40
-rw-r--r--objectivec/Tests/unittest_extension_chain_f.proto44
-rw-r--r--objectivec/Tests/unittest_extension_chain_g.proto41
-rw-r--r--objectivec/google/protobuf/Any.pbobjc.m3
-rw-r--r--objectivec/google/protobuf/Api.pbobjc.m14
-rw-r--r--objectivec/google/protobuf/Duration.pbobjc.m3
-rw-r--r--objectivec/google/protobuf/Empty.pbobjc.m3
-rw-r--r--objectivec/google/protobuf/FieldMask.pbobjc.m3
-rw-r--r--objectivec/google/protobuf/SourceContext.pbobjc.m3
-rw-r--r--objectivec/google/protobuf/Struct.pbobjc.m3
-rw-r--r--objectivec/google/protobuf/Timestamp.pbobjc.m3
-rw-r--r--objectivec/google/protobuf/Type.pbobjc.m14
-rw-r--r--objectivec/google/protobuf/Wrappers.pbobjc.m3
-rw-r--r--src/google/protobuf/compiler/objectivec/objectivec_file.cc189
26 files changed, 626 insertions, 86 deletions
diff --git a/Makefile.am b/Makefile.am
index 41d25823..a4de1bd3 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -534,6 +534,7 @@ objectivec_EXTRA_DIST= \
objectivec/Tests/GPBTestUtilities.h \
objectivec/Tests/GPBTestUtilities.m \
objectivec/Tests/GPBUnittestProtos.m \
+ objectivec/Tests/GPBUnittestProtos2.m \
objectivec/Tests/GPBUnknownFieldSetTest.m \
objectivec/Tests/GPBUtilitiesTests.m \
objectivec/Tests/GPBWellKnownTypesTest.m \
@@ -555,6 +556,13 @@ objectivec_EXTRA_DIST= \
objectivec/Tests/text_format_map_unittest_data.txt \
objectivec/Tests/text_format_unittest_data.txt \
objectivec/Tests/unittest_cycle.proto \
+ objectivec/Tests/unittest_extension_chain_a.proto \
+ objectivec/Tests/unittest_extension_chain_b.proto \
+ objectivec/Tests/unittest_extension_chain_c.proto \
+ objectivec/Tests/unittest_extension_chain_d.proto \
+ objectivec/Tests/unittest_extension_chain_e.proto \
+ objectivec/Tests/unittest_extension_chain_f.proto \
+ objectivec/Tests/unittest_extension_chain_g.proto \
objectivec/Tests/unittest_objc.proto \
objectivec/Tests/unittest_objc_startup.proto \
objectivec/Tests/unittest_runtime_proto2.proto \
diff --git a/objectivec/DevTools/compile_testing_protos.sh b/objectivec/DevTools/compile_testing_protos.sh
index 9a6b7bf2..35a85046 100755
--- a/objectivec/DevTools/compile_testing_protos.sh
+++ b/objectivec/DevTools/compile_testing_protos.sh
@@ -1,17 +1,16 @@
-#!/bin/bash
-
+#!/bin/bash -eu
# Invoked by the Xcode projects to build the protos needed for the unittests.
-set -eu
-
readonly OUTPUT_DIR="${PROJECT_DERIVED_FILE_DIR}/protos"
+# -----------------------------------------------------------------------------
# Helper for bailing.
die() {
echo "Error: $1"
exit 2
}
+# -----------------------------------------------------------------------------
# What to do.
case "${ACTION}" in
"")
@@ -26,12 +25,19 @@ case "${ACTION}" in
;;
esac
-# Move to the top of the protobuf directories.
-cd "${SRCROOT}/.."
+# -----------------------------------------------------------------------------
+# Ensure the output dir exists
+mkdir -p "${OUTPUT_DIR}/google/protobuf"
+# -----------------------------------------------------------------------------
+# Move to the top of the protobuf directories and ensure there is a protoc
+# binary to use.
+cd "${SRCROOT}/.."
[[ -x src/protoc ]] || \
die "Could not find the protoc binary; make sure you have built it (objectivec/DevTools/full_mac_build.sh -h)."
+# -----------------------------------------------------------------------------
+# See the compiler or proto files have changed.
RUN_PROTOC=no
if [[ ! -d "${OUTPUT_DIR}" ]] ; then
RUN_PROTOC=yes
@@ -50,7 +56,7 @@ else
# Find the oldest output file.
readonly OldestOutput=$(find \
"${OUTPUT_DIR}" \
- -type f -print0 \
+ -type f -name "*pbobjc.[hm]" -print0 \
| xargs -0 stat -f "%m %N" \
| sort -n -r | tail -n1 | cut -f2- -d" ")
# If the newest input is newer than the oldest output, regenerate.
@@ -64,8 +70,27 @@ if [[ "${RUN_PROTOC}" != "yes" ]] ; then
exit 0
fi
-# Ensure the output dir exists
-mkdir -p "${OUTPUT_DIR}/google/protobuf"
+# -----------------------------------------------------------------------------
+# Prune out all the files from previous generations to ensure we only have
+# current ones.
+find "${OUTPUT_DIR}" \
+ -type f -name "*pbobjc.[hm]" -print0 \
+ | xargs -0 rm -rf
+
+# -----------------------------------------------------------------------------
+# Helper to invoke protoc
+compile_protos() {
+ src/protoc \
+ --objc_out="${OUTPUT_DIR}/google/protobuf" \
+ --proto_path=src/google/protobuf/ \
+ --proto_path=src \
+ "$@"
+}
+
+# -----------------------------------------------------------------------------
+# Generate most of the proto files that exist in the C++ src tree. Several
+# are used in the tests, but the extra don't hurt in that they ensure ObjC
+# sources can be generated from them.
CORE_PROTO_FILES=(
src/google/protobuf/unittest_arena.proto
@@ -90,23 +115,12 @@ CORE_PROTO_FILES=(
src/google/protobuf/map_lite_unittest.proto
src/google/protobuf/map_proto2_unittest.proto
src/google/protobuf/map_unittest.proto
-)
-
-# The unittest_custom_options.proto extends the messages in descriptor.proto
-# so we build it in to test extending in general. The library doesn't provide
-# a descriptor as it doesn't use the classes/enums.
-CORE_PROTO_FILES+=(
+ # The unittest_custom_options.proto extends the messages in descriptor.proto
+ # so we build it in to test extending in general. The library doesn't provide
+ # a descriptor as it doesn't use the classes/enums.
src/google/protobuf/descriptor.proto
)
-compile_protos() {
- src/protoc \
- --objc_out="${OUTPUT_DIR}/google/protobuf" \
- --proto_path=src/google/protobuf/ \
- --proto_path=src \
- "$@"
-}
-
# Note: there is overlap in package.Message names between some of the test
# files, so they can't be generated all at once. This works because the overlap
# isn't linked into a single binary.
@@ -114,10 +128,18 @@ for a_proto in "${CORE_PROTO_FILES[@]}" ; do
compile_protos "${a_proto}"
done
-# Objective C specific testing protos.
+# -----------------------------------------------------------------------------
+# Generate the Objective C specific testing protos.
compile_protos \
--proto_path="objectivec/Tests" \
objectivec/Tests/unittest_cycle.proto \
+ objectivec/Tests/unittest_extension_chain_a.proto \
+ objectivec/Tests/unittest_extension_chain_b.proto \
+ objectivec/Tests/unittest_extension_chain_c.proto \
+ objectivec/Tests/unittest_extension_chain_d.proto \
+ objectivec/Tests/unittest_extension_chain_e.proto \
+ objectivec/Tests/unittest_extension_chain_f.proto \
+ objectivec/Tests/unittest_extension_chain_g.proto \
objectivec/Tests/unittest_runtime_proto2.proto \
objectivec/Tests/unittest_runtime_proto3.proto \
objectivec/Tests/unittest_objc.proto \
diff --git a/objectivec/ProtocolBuffers_OSX.xcodeproj/project.pbxproj b/objectivec/ProtocolBuffers_OSX.xcodeproj/project.pbxproj
index 32067910..5711a89d 100644
--- a/objectivec/ProtocolBuffers_OSX.xcodeproj/project.pbxproj
+++ b/objectivec/ProtocolBuffers_OSX.xcodeproj/project.pbxproj
@@ -65,6 +65,7 @@
F4E675A11B21D0000054530B /* Struct.pbobjc.m in Sources */ = {isa = PBXBuildFile; fileRef = F4E675911B21D0000054530B /* Struct.pbobjc.m */; };
F4E675A31B21D0000054530B /* Type.pbobjc.m in Sources */ = {isa = PBXBuildFile; fileRef = F4E675931B21D0000054530B /* Type.pbobjc.m */; };
F4E675A51B21D0000054530B /* Wrappers.pbobjc.m in Sources */ = {isa = PBXBuildFile; fileRef = F4E675951B21D0000054530B /* Wrappers.pbobjc.m */; };
+ F4F8D8831D789FD9002CE128 /* GPBUnittestProtos2.m in Sources */ = {isa = PBXBuildFile; fileRef = F4F8D8811D789FCE002CE128 /* GPBUnittestProtos2.m */; };
/* End PBXBuildFile section */
/* Begin PBXContainerItemProxy section */
@@ -211,6 +212,7 @@
F4E675AB1B21D05C0054530B /* struct.proto */ = {isa = PBXFileReference; lastKnownFileType = text; name = struct.proto; path = ../src/google/protobuf/struct.proto; sourceTree = "<group>"; };
F4E675AC1B21D05C0054530B /* type.proto */ = {isa = PBXFileReference; lastKnownFileType = text; name = type.proto; path = ../src/google/protobuf/type.proto; sourceTree = "<group>"; };
F4E675AD1B21D05C0054530B /* wrappers.proto */ = {isa = PBXFileReference; lastKnownFileType = text; name = wrappers.proto; path = ../src/google/protobuf/wrappers.proto; sourceTree = "<group>"; };
+ F4F8D8811D789FCE002CE128 /* GPBUnittestProtos2.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GPBUnittestProtos2.m; sourceTree = "<group>"; };
/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
@@ -408,6 +410,7 @@
7461B6AB0F94FDF800A0C422 /* GPBTestUtilities.h */,
7461B6AC0F94FDF800A0C422 /* GPBTestUtilities.m */,
8BD3981E14BE59D70081D629 /* GPBUnittestProtos.m */,
+ F4F8D8811D789FCE002CE128 /* GPBUnittestProtos2.m */,
7461B6B80F94FDF900A0C422 /* GPBUnknownFieldSetTest.m */,
7461B6BA0F94FDF900A0C422 /* GPBUtilitiesTests.m */,
8B4248DB1A92933A00BC1EC6 /* GPBWellKnownTypesTest.m */,
@@ -659,6 +662,7 @@
F4B51B1E1BBC610700744318 /* GPBObjectiveCPlusPlusTest.mm in Sources */,
F4487C7F1AAF62CD00531423 /* GPBMessageTests+Serialization.m in Sources */,
8B4248DC1A92933A00BC1EC6 /* GPBWellKnownTypesTest.m in Sources */,
+ F4F8D8831D789FD9002CE128 /* GPBUnittestProtos2.m in Sources */,
F4353D1D1AB8822D005A6198 /* GPBDescriptorTests.m in Sources */,
8B4248BB1A8C256A00BC1EC6 /* GPBSwiftTests.swift in Sources */,
5102DABC1891A073002037B6 /* GPBConcurrencyTests.m in Sources */,
diff --git a/objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj b/objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj
index 9f688f8d..b87dea2c 100644
--- a/objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj
+++ b/objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj
@@ -73,6 +73,7 @@
F4E675D51B21D1620054530B /* Struct.pbobjc.m in Sources */ = {isa = PBXBuildFile; fileRef = F4E675C21B21D1440054530B /* Struct.pbobjc.m */; };
F4E675D61B21D1620054530B /* Type.pbobjc.m in Sources */ = {isa = PBXBuildFile; fileRef = F4E675C51B21D1440054530B /* Type.pbobjc.m */; };
F4E675D71B21D1620054530B /* Wrappers.pbobjc.m in Sources */ = {isa = PBXBuildFile; fileRef = F4E675C71B21D1440054530B /* Wrappers.pbobjc.m */; };
+ F4F8D8861D78A193002CE128 /* GPBUnittestProtos2.m in Sources */ = {isa = PBXBuildFile; fileRef = F4F8D8841D78A186002CE128 /* GPBUnittestProtos2.m */; };
/* End PBXBuildFile section */
/* Begin PBXContainerItemProxy section */
@@ -234,6 +235,7 @@
F4E675DD1B21D1DE0054530B /* struct.proto */ = {isa = PBXFileReference; lastKnownFileType = text; name = struct.proto; path = ../src/google/protobuf/struct.proto; sourceTree = "<group>"; };
F4E675DE1B21D1DE0054530B /* type.proto */ = {isa = PBXFileReference; lastKnownFileType = text; name = type.proto; path = ../src/google/protobuf/type.proto; sourceTree = "<group>"; };
F4E675DF1B21D1DE0054530B /* wrappers.proto */ = {isa = PBXFileReference; lastKnownFileType = text; name = wrappers.proto; path = ../src/google/protobuf/wrappers.proto; sourceTree = "<group>"; };
+ F4F8D8841D78A186002CE128 /* GPBUnittestProtos2.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GPBUnittestProtos2.m; sourceTree = "<group>"; };
/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
@@ -446,6 +448,7 @@
7461B6AB0F94FDF800A0C422 /* GPBTestUtilities.h */,
7461B6AC0F94FDF800A0C422 /* GPBTestUtilities.m */,
8BD3981E14BE59D70081D629 /* GPBUnittestProtos.m */,
+ F4F8D8841D78A186002CE128 /* GPBUnittestProtos2.m */,
7461B6B80F94FDF900A0C422 /* GPBUnknownFieldSetTest.m */,
7461B6BA0F94FDF900A0C422 /* GPBUtilitiesTests.m */,
8B4248E51A929C9900BC1EC6 /* GPBWellKnownTypesTest.m */,
@@ -755,6 +758,7 @@
F4487C811AAF62FC00531423 /* GPBMessageTests+Serialization.m in Sources */,
8B4248E61A929C9900BC1EC6 /* GPBWellKnownTypesTest.m in Sources */,
F4353D1F1AB88243005A6198 /* GPBDescriptorTests.m in Sources */,
+ F4F8D8861D78A193002CE128 /* GPBUnittestProtos2.m in Sources */,
F4B51B1C1BBC5C7100744318 /* GPBObjectiveCPlusPlusTest.mm in Sources */,
8B4248B41A8BD96E00BC1EC6 /* GPBSwiftTests.swift in Sources */,
5102DABC1891A073002037B6 /* GPBConcurrencyTests.m in Sources */,
diff --git a/objectivec/Tests/GPBMessageTests+Runtime.m b/objectivec/Tests/GPBMessageTests+Runtime.m
index 2cf9ccef..0058311b 100644
--- a/objectivec/Tests/GPBMessageTests+Runtime.m
+++ b/objectivec/Tests/GPBMessageTests+Runtime.m
@@ -36,6 +36,7 @@
#import "google/protobuf/MapUnittest.pbobjc.h"
#import "google/protobuf/Unittest.pbobjc.h"
+#import "google/protobuf/UnittestCycle.pbobjc.h"
#import "google/protobuf/UnittestObjcStartup.pbobjc.h"
#import "google/protobuf/UnittestRuntimeProto2.pbobjc.h"
#import "google/protobuf/UnittestRuntimeProto3.pbobjc.h"
@@ -49,11 +50,24 @@
// specific.
- (void)testStartupOrdering {
- // Just have to create a message. Nothing else uses the classes from
- // this file, so the first selector invoked on the class will initialize
- // it, which also initializes the root.
+ // Message class/Root class initialization is a little tricky, so these just
+ // create some possible patterns that can be a problem. The messages don't
+ // have to be exercised, just creating them is enough to test. If there
+ // is a problem, the runtime should assert or hang.
+ //
+ // Note: the messages from these proto files should not be used in any other
+ // tests, that way when they are referenced here it will be the first use and
+ // initialization will take place now.
+
TestObjCStartupMessage *message = [TestObjCStartupMessage message];
XCTAssertNotNil(message);
+
+ CycleBaz *baz = [CycleBaz message];
+ CycleBar *bar = [CycleBar message];
+ CycleFoo *foo = [CycleFoo message];
+ XCTAssertNotNil(baz);
+ XCTAssertNotNil(bar);
+ XCTAssertNotNil(foo);
}
- (void)testProto2HasMethodSupport {
diff --git a/objectivec/Tests/GPBUnittestProtos.m b/objectivec/Tests/GPBUnittestProtos.m
index d19beee9..7b938e72 100644
--- a/objectivec/Tests/GPBUnittestProtos.m
+++ b/objectivec/Tests/GPBUnittestProtos.m
@@ -62,3 +62,11 @@
#import "google/protobuf/UnittestPreserveUnknownEnum.pbobjc.m"
#import "google/protobuf/UnittestRuntimeProto2.pbobjc.m"
#import "google/protobuf/UnittestRuntimeProto3.pbobjc.m"
+
+#import "google/protobuf/UnittestExtensionChainA.pbobjc.m"
+#import "google/protobuf/UnittestExtensionChainB.pbobjc.m"
+#import "google/protobuf/UnittestExtensionChainC.pbobjc.m"
+#import "google/protobuf/UnittestExtensionChainD.pbobjc.m"
+#import "google/protobuf/UnittestExtensionChainE.pbobjc.m"
+// See GPBUnittestProtos2.m for for "UnittestExtensionChainF.pbobjc.m"
+#import "google/protobuf/UnittestExtensionChainG.pbobjc.m"
diff --git a/objectivec/Tests/GPBUnittestProtos2.m b/objectivec/Tests/GPBUnittestProtos2.m
new file mode 100644
index 00000000..ef9f0702
--- /dev/null
+++ b/objectivec/Tests/GPBUnittestProtos2.m
@@ -0,0 +1,34 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2016 Google Inc. All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This one file in the chain tests is compiled by itself to ensure if was
+// generated with the extra #imports needed to pull in the indirect Root class
+// used in its Root registry.
+#import "google/protobuf/UnittestExtensionChainF.pbobjc.m"
diff --git a/objectivec/Tests/unittest_cycle.proto b/objectivec/Tests/unittest_cycle.proto
index 5f6f56a1..afc1b0fe 100644
--- a/objectivec/Tests/unittest_cycle.proto
+++ b/objectivec/Tests/unittest_cycle.proto
@@ -31,10 +31,8 @@ syntax = "proto2";
package protobuf_unittest;
-// Cycles in the Message graph can cause problems for the mutable classes
-// since the properties on the mutable class change types. This file just
-// needs to generate source, and that source must compile, to ensure the
-// generated source works for this sort of case.
+// Cycles in the Message graph can cause problems for message class
+// initialization order.
// You can't make a object graph that spans files, so this can only be done
// within a single proto file.
diff --git a/objectivec/Tests/unittest_extension_chain_a.proto b/objectivec/Tests/unittest_extension_chain_a.proto
new file mode 100644
index 00000000..6a227eb9
--- /dev/null
+++ b/objectivec/Tests/unittest_extension_chain_a.proto
@@ -0,0 +1,51 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2016 Google Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto2";
+
+package protobuf_unittest;
+
+import "google/protobuf/unittest.proto";
+
+import "unittest_extension_chain_b.proto";
+import "unittest_extension_chain_c.proto";
+import "unittest_extension_chain_d.proto";
+
+// The Root for this file should end up adding the local extension and merging
+// in the extensions from D's Root (unittest and C will come via D's).
+
+message ChainAMessage {
+ optional ChainBMessage b = 1;
+ optional ChainCMessage c = 2;
+ optional ChainDMessage d = 3;
+}
+
+extend TestAllExtensions {
+ optional int32 chain_a_extension = 10001;
+}
diff --git a/objectivec/Tests/unittest_extension_chain_b.proto b/objectivec/Tests/unittest_extension_chain_b.proto
new file mode 100644
index 00000000..0da7ed3e
--- /dev/null
+++ b/objectivec/Tests/unittest_extension_chain_b.proto
@@ -0,0 +1,47 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2016 Google Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto2";
+
+package protobuf_unittest;
+
+import "google/protobuf/unittest.proto";
+
+import "unittest_extension_chain_c.proto";
+
+// The Root for this file should end up adding the local extension and merging
+// in the extensions from C's Root (unittest will come via C's).
+
+message ChainBMessage {
+ optional ChainCMessage c = 1;
+}
+
+extend TestAllExtensions {
+ optional int32 chain_b_extension = 10002;
+}
diff --git a/objectivec/Tests/unittest_extension_chain_c.proto b/objectivec/Tests/unittest_extension_chain_c.proto
new file mode 100644
index 00000000..c702900a
--- /dev/null
+++ b/objectivec/Tests/unittest_extension_chain_c.proto
@@ -0,0 +1,45 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2016 Google Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto2";
+
+package protobuf_unittest;
+
+import "google/protobuf/unittest.proto";
+
+// The Root for this file should end up adding the local extension and merging
+// in the extensions from unittest.proto's Root.
+
+message ChainCMessage {
+ optional int32 my_field = 1;
+}
+
+extend TestAllExtensions {
+ optional int32 chain_c_extension = 10003;
+}
diff --git a/objectivec/Tests/unittest_extension_chain_d.proto b/objectivec/Tests/unittest_extension_chain_d.proto
new file mode 100644
index 00000000..f9abe3ba
--- /dev/null
+++ b/objectivec/Tests/unittest_extension_chain_d.proto
@@ -0,0 +1,49 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2016 Google Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto2";
+
+package protobuf_unittest;
+
+import "google/protobuf/unittest.proto";
+
+import "unittest_extension_chain_b.proto";
+import "unittest_extension_chain_c.proto";
+
+// The root should end up needing to merge B (C will be merged into B, so it
+// doesn't need to be directly merged).
+
+message ChainDMessage {
+ optional ChainBMessage b = 1;
+ optional ChainCMessage c = 2;
+}
+
+extend TestAllExtensions {
+ optional int32 chain_d_extension = 10004;
+}
diff --git a/objectivec/Tests/unittest_extension_chain_e.proto b/objectivec/Tests/unittest_extension_chain_e.proto
new file mode 100644
index 00000000..fe116631
--- /dev/null
+++ b/objectivec/Tests/unittest_extension_chain_e.proto
@@ -0,0 +1,40 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2016 Google Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto2";
+
+package protobuf_unittest;
+
+import "google/protobuf/unittest.proto";
+
+// The Root for this file should end up just merging in unittest's Root.
+
+message ChainEMessage {
+ optional TestAllTypes my_field = 1;
+}
diff --git a/objectivec/Tests/unittest_extension_chain_f.proto b/objectivec/Tests/unittest_extension_chain_f.proto
new file mode 100644
index 00000000..b9bed723
--- /dev/null
+++ b/objectivec/Tests/unittest_extension_chain_f.proto
@@ -0,0 +1,44 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2016 Google Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto2";
+
+package protobuf_unittest;
+
+import "unittest_extension_chain_g.proto";
+
+// The Root for this file should just be merging in the extensions from C's
+// Root (because G doens't define anything itself).
+
+// The generated source will also have to directly import C's .h file so it can
+// compile the reference to C's Root class.
+
+message ChainFMessage {
+ optional ChainGMessage g = 1;
+}
diff --git a/objectivec/Tests/unittest_extension_chain_g.proto b/objectivec/Tests/unittest_extension_chain_g.proto
new file mode 100644
index 00000000..aee827b1
--- /dev/null
+++ b/objectivec/Tests/unittest_extension_chain_g.proto
@@ -0,0 +1,41 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2016 Google Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto2";
+
+package protobuf_unittest;
+
+import "unittest_extension_chain_c.proto";
+
+// The Root for this file should just be merging in the extensions from C's
+// Root.
+
+message ChainGMessage {
+ optional ChainCMessage c = 1;
+}
diff --git a/objectivec/google/protobuf/Any.pbobjc.m b/objectivec/google/protobuf/Any.pbobjc.m
index 25e5b4c4..deaedc16 100644
--- a/objectivec/google/protobuf/Any.pbobjc.m
+++ b/objectivec/google/protobuf/Any.pbobjc.m
@@ -27,6 +27,9 @@
@implementation GPBAnyRoot
+// No extensions in the file and no imports, so no need to generate
+// +extensionRegistry.
+
@end
#pragma mark - GPBAnyRoot_FileDescriptor
diff --git a/objectivec/google/protobuf/Api.pbobjc.m b/objectivec/google/protobuf/Api.pbobjc.m
index cd37edaa..e73ecf85 100644
--- a/objectivec/google/protobuf/Api.pbobjc.m
+++ b/objectivec/google/protobuf/Api.pbobjc.m
@@ -31,18 +31,8 @@
@implementation GPBApiRoot
-+ (GPBExtensionRegistry*)extensionRegistry {
- // This is called by +initialize so there is no need to worry
- // about thread safety and initialization of registry.
- static GPBExtensionRegistry* registry = nil;
- if (!registry) {
- GPBDebugCheckRuntimeVersion();
- registry = [[GPBExtensionRegistry alloc] init];
- [registry addExtensions:[GPBSourceContextRoot extensionRegistry]];
- [registry addExtensions:[GPBTypeRoot extensionRegistry]];
- }
- return registry;
-}
+// No extensions in the file and none of the imports (direct or indirect)
+// defined extensions, so no need to generate +extensionRegistry.
@end
diff --git a/objectivec/google/protobuf/Duration.pbobjc.m b/objectivec/google/protobuf/Duration.pbobjc.m
index 35daa3df..79fbe007 100644
--- a/objectivec/google/protobuf/Duration.pbobjc.m
+++ b/objectivec/google/protobuf/Duration.pbobjc.m
@@ -27,6 +27,9 @@
@implementation GPBDurationRoot
+// No extensions in the file and no imports, so no need to generate
+// +extensionRegistry.
+
@end
#pragma mark - GPBDurationRoot_FileDescriptor
diff --git a/objectivec/google/protobuf/Empty.pbobjc.m b/objectivec/google/protobuf/Empty.pbobjc.m
index 1bdd4949..83cede25 100644
--- a/objectivec/google/protobuf/Empty.pbobjc.m
+++ b/objectivec/google/protobuf/Empty.pbobjc.m
@@ -27,6 +27,9 @@
@implementation GPBEmptyRoot
+// No extensions in the file and no imports, so no need to generate
+// +extensionRegistry.
+
@end
#pragma mark - GPBEmptyRoot_FileDescriptor
diff --git a/objectivec/google/protobuf/FieldMask.pbobjc.m b/objectivec/google/protobuf/FieldMask.pbobjc.m
index 2721fdfa..906e3cbd 100644
--- a/objectivec/google/protobuf/FieldMask.pbobjc.m
+++ b/objectivec/google/protobuf/FieldMask.pbobjc.m
@@ -27,6 +27,9 @@
@implementation GPBFieldMaskRoot
+// No extensions in the file and no imports, so no need to generate
+// +extensionRegistry.
+
@end
#pragma mark - GPBFieldMaskRoot_FileDescriptor
diff --git a/objectivec/google/protobuf/SourceContext.pbobjc.m b/objectivec/google/protobuf/SourceContext.pbobjc.m
index 6e3c9c07..5c6ca6c0 100644
--- a/objectivec/google/protobuf/SourceContext.pbobjc.m
+++ b/objectivec/google/protobuf/SourceContext.pbobjc.m
@@ -27,6 +27,9 @@
@implementation GPBSourceContextRoot
+// No extensions in the file and no imports, so no need to generate
+// +extensionRegistry.
+
@end
#pragma mark - GPBSourceContextRoot_FileDescriptor
diff --git a/objectivec/google/protobuf/Struct.pbobjc.m b/objectivec/google/protobuf/Struct.pbobjc.m
index 8ea1f124..55c135e6 100644
--- a/objectivec/google/protobuf/Struct.pbobjc.m
+++ b/objectivec/google/protobuf/Struct.pbobjc.m
@@ -28,6 +28,9 @@
@implementation GPBStructRoot
+// No extensions in the file and no imports, so no need to generate
+// +extensionRegistry.
+
@end
#pragma mark - GPBStructRoot_FileDescriptor
diff --git a/objectivec/google/protobuf/Timestamp.pbobjc.m b/objectivec/google/protobuf/Timestamp.pbobjc.m
index 06e3ef94..5e4d5cc1 100644
--- a/objectivec/google/protobuf/Timestamp.pbobjc.m
+++ b/objectivec/google/protobuf/Timestamp.pbobjc.m
@@ -27,6 +27,9 @@
@implementation GPBTimestampRoot
+// No extensions in the file and no imports, so no need to generate
+// +extensionRegistry.
+
@end
#pragma mark - GPBTimestampRoot_FileDescriptor
diff --git a/objectivec/google/protobuf/Type.pbobjc.m b/objectivec/google/protobuf/Type.pbobjc.m
index 6c7b4efd..b48f4d0f 100644
--- a/objectivec/google/protobuf/Type.pbobjc.m
+++ b/objectivec/google/protobuf/Type.pbobjc.m
@@ -31,18 +31,8 @@
@implementation GPBTypeRoot
-+ (GPBExtensionRegistry*)extensionRegistry {
- // This is called by +initialize so there is no need to worry
- // about thread safety and initialization of registry.
- static GPBExtensionRegistry* registry = nil;
- if (!registry) {
- GPBDebugCheckRuntimeVersion();
- registry = [[GPBExtensionRegistry alloc] init];
- [registry addExtensions:[GPBAnyRoot extensionRegistry]];
- [registry addExtensions:[GPBSourceContextRoot extensionRegistry]];
- }
- return registry;
-}
+// No extensions in the file and none of the imports (direct or indirect)
+// defined extensions, so no need to generate +extensionRegistry.
@end
diff --git a/objectivec/google/protobuf/Wrappers.pbobjc.m b/objectivec/google/protobuf/Wrappers.pbobjc.m
index b5405a7d..ebf8e228 100644
--- a/objectivec/google/protobuf/Wrappers.pbobjc.m
+++ b/objectivec/google/protobuf/Wrappers.pbobjc.m
@@ -27,6 +27,9 @@
@implementation GPBWrappersRoot
+// No extensions in the file and no imports, so no need to generate
+// +extensionRegistry.
+
@end
#pragma mark - GPBWrappersRoot_FileDescriptor
diff --git a/src/google/protobuf/compiler/objectivec/objectivec_file.cc b/src/google/protobuf/compiler/objectivec/objectivec_file.cc
index 6d889e63..f70d4d5f 100644
--- a/src/google/protobuf/compiler/objectivec/objectivec_file.cc
+++ b/src/google/protobuf/compiler/objectivec/objectivec_file.cc
@@ -45,6 +45,10 @@
namespace google {
namespace protobuf {
+namespace compiler {
+namespace objectivec {
+
+namespace {
// This is also found in GPBBootstrap.h, and needs to be kept in sync. It
// is the version check done to ensure generated code works with the current
@@ -53,8 +57,106 @@ const int32 GOOGLE_PROTOBUF_OBJC_GEN_VERSION = 30001;
const char* kHeaderExtension = ".pbobjc.h";
-namespace compiler {
-namespace objectivec {
+// Checks if a message contains any extension definitions (on the message or
+// a nested message under it).
+bool MessageContainsExtensions(const Descriptor* message) {
+ if (message->extension_count() > 0) {
+ return true;
+ }
+ for (int i = 0; i < message->nested_type_count(); i++) {
+ if (MessageContainsExtensions(message->nested_type(i))) {
+ return true;
+ }
+ }
+ return false;
+}
+
+// Checks if the file contains any extensions definitions (at the root or
+// nested under a message).
+bool FileContainsExtensions(const FileDescriptor* file) {
+ if (file->extension_count() > 0) {
+ return true;
+ }
+ for (int i = 0; i < file->message_type_count(); i++) {
+ if (MessageContainsExtensions(file->message_type(i))) {
+ return true;
+ }
+ }
+ return false;
+}
+
+// Helper for CollectMinimalFileDepsContainingExtensionsWorker that marks all
+// deps as visited and prunes them from the needed files list.
+void PruneFileAndDepsMarkingAsVisited(
+ const FileDescriptor* file,
+ vector<const FileDescriptor*>* files,
+ set<const FileDescriptor*>* files_visited) {
+ vector<const FileDescriptor*>::iterator iter =
+ std::find(files->begin(), files->end(), file);
+ if (iter != files->end()) {
+ files->erase(iter);
+ }
+ files_visited->insert(file);
+ for (int i = 0; i < file->dependency_count(); i++) {
+ PruneFileAndDepsMarkingAsVisited(file->dependency(i), files, files_visited);
+ }
+}
+
+// Helper for CollectMinimalFileDepsContainingExtensions.
+void CollectMinimalFileDepsContainingExtensionsWorker(
+ const FileDescriptor* file,
+ vector<const FileDescriptor*>* files,
+ set<const FileDescriptor*>* files_visited) {
+ if (files_visited->find(file) != files_visited->end()) {
+ return;
+ }
+ files_visited->insert(file);
+
+ if (FileContainsExtensions(file)) {
+ files->push_back(file);
+ for (int i = 0; i < file->dependency_count(); i++) {
+ const FileDescriptor* dep = file->dependency(i);
+ PruneFileAndDepsMarkingAsVisited(dep, files, files_visited);
+ }
+ } else {
+ for (int i = 0; i < file->dependency_count(); i++) {
+ const FileDescriptor* dep = file->dependency(i);
+ CollectMinimalFileDepsContainingExtensionsWorker(dep, files,
+ files_visited);
+ }
+ }
+}
+
+// Collect the deps of the given file that contain extensions. This can be used to
+// create the chain of roots that need to be wired together.
+//
+// NOTE: If any changes are made to this and the supporting functions, you will
+// need to manually validate what the generated code is for the test files:
+// objectivec/Tests/unittest_extension_chain_*.proto
+// There are comments about what the expected code should be line and limited
+// testing objectivec/Tests/GPBUnittestProtos2.m around compilation (#imports
+// specifically).
+void CollectMinimalFileDepsContainingExtensions(
+ const FileDescriptor* file,
+ vector<const FileDescriptor*>* files) {
+ set<const FileDescriptor*> files_visited;
+ for (int i = 0; i < file->dependency_count(); i++) {
+ const FileDescriptor* dep = file->dependency(i);
+ CollectMinimalFileDepsContainingExtensionsWorker(dep, files,
+ &files_visited);
+ }
+}
+
+bool IsDirectDependency(const FileDescriptor* dep, const FileDescriptor* file) {
+ for (int i = 0; i < file->dependency_count(); i++) {
+ if (dep == file->dependency(i)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+} // namespace
FileGenerator::FileGenerator(const FileDescriptor *file, const Options& options)
: file_(file),
@@ -204,6 +306,9 @@ void FileGenerator::GenerateSource(io::Printer *printer) {
// #import the runtime support.
PrintFileRuntimePreamble(printer, "GPBProtocolBuffers_RuntimeSupport.h");
+ vector<const FileDescriptor*> deps_with_extensions;
+ CollectMinimalFileDepsContainingExtensions(file_, &deps_with_extensions);
+
{
ImportWriter import_writer(
options_.generate_for_named_framework,
@@ -227,6 +332,18 @@ void FileGenerator::GenerateSource(io::Printer *printer) {
}
}
+ // If any indirect dependency provided extensions, it needs to be directly
+ // imported so it can get merged into the root's extensions registry.
+ // See the Note by CollectMinimalFileDepsContainingExtensions before
+ // changing this.
+ for (vector<const FileDescriptor *>::iterator iter =
+ deps_with_extensions.begin();
+ iter != deps_with_extensions.end(); ++iter) {
+ if (!IsDirectDependency(*iter, file_)) {
+ import_writer.AddFile(*iter, header_extension);
+ }
+ }
+
import_writer.Print(printer);
}
@@ -263,29 +380,11 @@ void FileGenerator::GenerateSource(io::Printer *printer) {
"@implementation $root_class_name$\n\n",
"root_class_name", root_class_name_);
- // Generate the extension initialization structures for the top level and
- // any nested messages.
- ostringstream extensions_stringstream;
- if (file_->extension_count() + file_->message_type_count() > 0) {
- io::OstreamOutputStream extensions_outputstream(&extensions_stringstream);
- io::Printer extensions_printer(&extensions_outputstream, '$');
- for (vector<ExtensionGenerator *>::iterator iter =
- extension_generators_.begin();
- iter != extension_generators_.end(); ++iter) {
- (*iter)->GenerateStaticVariablesInitialization(&extensions_printer);
- }
- for (vector<MessageGenerator *>::iterator iter =
- message_generators_.begin();
- iter != message_generators_.end(); ++iter) {
- (*iter)->GenerateStaticVariablesInitialization(&extensions_printer);
- }
- extensions_stringstream.flush();
- }
+ const bool file_contains_extensions = FileContainsExtensions(file_);
// If there were any extensions or this file has any dependencies, output
// a registry to override to create the file specific registry.
- const string& extensions_str = extensions_stringstream.str();
- if (extensions_str.length() > 0 || file_->dependency_count() > 0) {
+ if (file_contains_extensions || !deps_with_extensions.empty()) {
printer->Print(
"+ (GPBExtensionRegistry*)extensionRegistry {\n"
" // This is called by +initialize so there is no need to worry\n"
@@ -298,11 +397,20 @@ void FileGenerator::GenerateSource(io::Printer *printer) {
printer->Indent();
printer->Indent();
- if (extensions_str.length() > 0) {
+ if (file_contains_extensions) {
printer->Print(
"static GPBExtensionDescription descriptions[] = {\n");
printer->Indent();
- printer->Print(extensions_str.c_str());
+ for (vector<ExtensionGenerator *>::iterator iter =
+ extension_generators_.begin();
+ iter != extension_generators_.end(); ++iter) {
+ (*iter)->GenerateStaticVariablesInitialization(printer);
+ }
+ for (vector<MessageGenerator *>::iterator iter =
+ message_generators_.begin();
+ iter != message_generators_.end(); ++iter) {
+ (*iter)->GenerateStaticVariablesInitialization(printer);
+ }
printer->Outdent();
printer->Print(
"};\n"
@@ -315,11 +423,21 @@ void FileGenerator::GenerateSource(io::Printer *printer) {
"}\n");
}
- for (int i = 0; i < file_->dependency_count(); i++) {
- const string root_class_name(FileClassName(file_->dependency(i)));
+ if (deps_with_extensions.empty()) {
printer->Print(
- "[registry addExtensions:[$dependency$ extensionRegistry]];\n",
- "dependency", root_class_name);
+ "// None of the imports (direct or indirect) defined extensions, so no need to add\n"
+ "// them to this registry.\n");
+ } else {
+ printer->Print(
+ "// Merge in the imports (direct or indirect) that defined extensions.\n");
+ for (vector<const FileDescriptor *>::iterator iter =
+ deps_with_extensions.begin();
+ iter != deps_with_extensions.end(); ++iter) {
+ const string root_class_name(FileClassName((*iter)));
+ printer->Print(
+ "[registry addExtensions:[$dependency$ extensionRegistry]];\n",
+ "dependency", root_class_name);
+ }
}
printer->Outdent();
@@ -328,11 +446,20 @@ void FileGenerator::GenerateSource(io::Printer *printer) {
printer->Print(
" }\n"
" return registry;\n"
- "}\n"
- "\n");
+ "}\n");
+ } else {
+ if (file_->dependency_count() > 0) {
+ printer->Print(
+ "// No extensions in the file and none of the imports (direct or indirect)\n"
+ "// defined extensions, so no need to generate +extensionRegistry.\n");
+ } else {
+ printer->Print(
+ "// No extensions in the file and no imports, so no need to generate\n"
+ "// +extensionRegistry.\n");
+ }
}
- printer->Print("@end\n\n");
+ printer->Print("\n@end\n\n");
// File descriptor only needed if there are messages to use it.
if (message_generators_.size() > 0) {