Fix xcodebuild to actually work on Darwin even without ZAP installed.

.github/workflows/darwin.yaml

@@ -31,12 +31,6 @@ jobs:
         if: github.actor != 'restyled-io[bot]'
         runs-on: macos-latest
 
-        env:
-            # NOTE: Generally kept in sync within the repo using
-            #       scripts/tools/zap/version_update.py
-            ZAP_VERSION: v2023.01.18-nightly
-            ZAP_INSTALL_PATH: /usr/local/zap/zap-v2023.01.18-nightly
-
         steps:
             - uses: Wandalen/[email protected]
               name: Checkout
@@ -68,6 +62,12 @@ jobs:
                  unzip zap-mac.zip zap-cli
                  rm zap-mac.zip
                  ./zap-cli --version
+              env:
+                  # NOTE: Generally kept in sync within the repo using
+                  #       scripts/tools/zap/version_update.py
+                  # This is scoped to only the steps that don't use xcodebuild.
+                  ZAP_VERSION: v2023.01.18-nightly
+                  ZAP_INSTALL_PATH: /usr/local/zap/zap-v2023.01.18-nightly
             - name: Bootstrap
               timeout-minutes: 25
               run: scripts/build/gn_bootstrap.sh
@@ -122,14 +122,32 @@ jobs:
               timeout-minutes: 15
               run: |
                   scripts/examples/gn_build_example.sh examples/all-clusters-app/linux out/debug chip_config_network_layer_ble=false
+              env:
+                  # NOTE: Generally kept in sync within the repo using
+                  #       scripts/tools/zap/version_update.py
+                  # This is scoped to only the steps that don't use xcodebuild.
+                  ZAP_VERSION: v2023.01.18-nightly
+                  ZAP_INSTALL_PATH: /usr/local/zap/zap-v2023.01.18-nightly
             - name: Build example OTA Provider
               timeout-minutes: 10
               run: |
                   scripts/examples/gn_build_example.sh examples/ota-provider-app/linux out/debug chip_config_network_layer_ble=false
+              env:
+                  # NOTE: Generally kept in sync within the repo using
+                  #       scripts/tools/zap/version_update.py
+                  # This is scoped to only the steps that don't use xcodebuild.
+                  ZAP_VERSION: v2023.01.18-nightly
+                  ZAP_INSTALL_PATH: /usr/local/zap/zap-v2023.01.18-nightly
             - name: Build example OTA Requestor
               timeout-minutes: 10
               run: |
                   scripts/examples/gn_build_example.sh examples/ota-requestor-app/linux out/debug chip_config_network_layer_ble=false
+              env:
+                  # NOTE: Generally kept in sync within the repo using
+                  #       scripts/tools/zap/version_update.py
+                  # This is scoped to only the steps that don't use xcodebuild.
+                  ZAP_VERSION: v2023.01.18-nightly
+                  ZAP_INSTALL_PATH: /usr/local/zap/zap-v2023.01.18-nightly
             - name: Delete Defaults
               run: defaults delete com.apple.dt.xctest.tool
               continue-on-error: true

scripts/codegen.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Copyright (c) 2022 Project CHIP Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

scripts/codepregen.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Copyright (c) 2022 Project CHIP Authors
 #
@@ -74,7 +74,7 @@ def _ParallelGenerateOne(arg):
 @click.option(
     '--generator',
     default='all',
-    type=click.Choice(['all', 'zap', 'codegen']),
+    type=click.Choice(['all', 'zap', 'codegen', 'codegen-cpp-only']),
     help='To what code generator to restrict the generation.')
 @click.option(
     '--input-glob',
@@ -119,9 +119,12 @@ def main(log_level, parallel, dry_run, generator, input_glob, sdk_root, output_d
 
     if generator == 'zap':
         filter.file_type = IdlFileType.ZAP
-    elif generator == 'codegen':
+    elif generator == 'codegen' or generator == 'codegen-cpp-only':
         filter.file_type = IdlFileType.MATTER
 
+    if generator == 'codegen-cpp-only':
+        filter.cpp_only = True
+
     targets = FindPregenerationTargets(sdk_root, filter, runner)
 
     runner.ensure_directory_exists(output_dir)

scripts/pregenerate/__init__.py

@@ -55,6 +55,8 @@ class TargetFilter:
     # If non-empty only the given paths will be code-generated
     path_glob: List[str] = field(default_factory=list)
 
+    cpp_only: bool = False
+
 
 # TODO: the build GlobMatcher is more complete by supporting `{}` grouping
 #       For now this limited glob seems sufficient.
@@ -98,5 +100,5 @@ def FindPregenerationTargets(sdk_root: str, filter: TargetFilter, runner):
                 continue
 
         for generator in generators:
-            if generator.Accept(idl):
+            if generator.Accept(idl, filter.cpp_only):
                 yield generator.CreateTarget(idl, runner=runner)

scripts/pregenerate/using_codegen.py

@@ -64,7 +64,7 @@ class CodegenBridgePregenerator:
     def __init__(self, sdk_root):
         self.sdk_root = sdk_root
 
-    def Accept(self, idl: InputIdlFile):
+    def Accept(self, idl: InputIdlFile, cpp_only: bool):
         # Bridge is highly specific, a single path is acceptable for dynamic
         # bridge codegen
         return idl.relative_path == "examples/dynamic-bridge-app/bridge-common/bridge-app.matter"
@@ -79,9 +79,12 @@ class CodegenJavaPregenerator:
     def __init__(self, sdk_root):
         self.sdk_root = sdk_root
 
-    def Accept(self, idl: InputIdlFile):
-        # Java is highly specific, a single path is acceptable for dynamic
-        # bridge codegen
+    def Accept(self, idl: InputIdlFile, cpp_only: bool):
+        if cpp_only:
+            return False
+
+        # Java is highly specific, a single path is acceptable for java
+        # codegen
         return idl.relative_path == "src/controller/data_model/controller-clusters.matter"
 
     def CreateTarget(self, idl: InputIdlFile, runner):
@@ -94,7 +97,7 @@ class CodegenCppAppPregenerator:
     def __init__(self, sdk_root):
         self.sdk_root = sdk_root
 
-    def Accept(self, idl: InputIdlFile):
+    def Accept(self, idl: InputIdlFile, cpp_only: bool):
         if idl.file_type != IdlFileType.MATTER:
             return False
 

scripts/pregenerate/using_zap.py

@@ -77,7 +77,7 @@ class ZapApplicationPregenerator:
     def __init__(self, sdk_root):
         self.sdk_root = sdk_root
 
-    def Accept(self, idl: InputIdlFile):
+    def Accept(self, idl: InputIdlFile, cpp_only: bool):
         if idl.file_type != IdlFileType.ZAP:
             return False
 

scripts/tools/zap_regen_all.py

@@ -113,6 +113,41 @@ def generate(self) -> TargetRunStats:
         )
 
 
+class ZAPPregenerateTarget:
+    def __init__(self, input_glob, output_dir, generator=None):
+        self.input_glob = input_glob
+        self.output_dir = output_dir
+        self.script = "./scripts/codepregen.py"
+        self.command = [self.script, "--input-glob", input_glob]
+        self.generator = generator
+
+        if generator is not None:
+            self.command.extend(["--generator", generator])
+        self.command.append(output_dir)
+
+    def distinct_output(self):
+        input_template = self.input_glob
+        if self.generator is not None:
+            input_template += " " + self.generator
+        return ZapDistinctOutput(input_template=input_template, output_directory=self.output_dir)
+
+    def log_command(self):
+        logging.info("  %s" % " ".join(self.command))
+
+    def generate(self) -> TargetRunStats:
+        logging.info("Generating target: %s" % " ".join(self.command))
+
+        generate_start = time.time()
+        subprocess.check_call(self.command)
+        generate_end = time.time()
+
+        return TargetRunStats(
+            generate_time=generate_end - generate_start,
+            config=self.script,
+            template=self.script,
+        )
+
+
 def checkPythonVersion():
     if sys.version_info[0] < 3:
         print('Must use Python 3. Current version is ' +
@@ -200,10 +235,10 @@ def getGlobalTemplatesTargets():
     #
     # TODO: These files can be code generated at compile time, we should figure
     #       out a path for this codegen to not be required.
-    targets.append(ZAPGenerateTarget(
-        'src/controller/data_model/controller-clusters.zap',
-        template="src/app/zap-templates/app-templates.json",
-        output_dir=os.path.join('zzz_generated/darwin/controller-clusters/zap-generated')))
+    targets.append(ZAPPregenerateTarget(
+        "*controller-clusters*", "zzz_generated/darwin", generator="zap"))
+    targets.append(ZAPPregenerateTarget(
+        "*controller-clusters*", "zzz_generated/darwin", generator="codegen-cpp-only"))
 
     return targets
 

src/darwin/Framework/Matter.xcodeproj/project.pbxproj

@@ -1016,7 +1016,7 @@
 					"$(CHIP_ROOT)/zzz_generated/app-common",
 					"$(CHIP_ROOT)/zzz_generated/controller-clusters",
 					/* darwin-specific bypassing compile time codegen for header inclusion */
-					"$(CHIP_ROOT)/zzz_generated/darwin/controller-clusters",
+					"$(CHIP_ROOT)/zzz_generated/darwin/src/controller/data_model/controller-clusters/zap/app-templates",
 				);
 				INFOPLIST_FILE = CHIP/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
@@ -1172,7 +1172,7 @@
 					"$(CHIP_ROOT)/zzz_generated/app-common",
 					"$(CHIP_ROOT)/zzz_generated/controller-clusters",
 					/* darwin-specific bypassing compile time codegen for header inclusion */
-					"$(CHIP_ROOT)/zzz_generated/darwin/controller-clusters",
+					"$(CHIP_ROOT)/zzz_generated/darwin/src/controller/data_model/controller-clusters/zap/app-templates",
 				);
 				INFOPLIST_FILE = CHIP/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";

src/darwin/Framework/chip_xcode_build_connector.sh

@@ -96,6 +96,7 @@ declare -a args=(
     "target_defines=$target_defines"
     "target_cflags=[$target_cflags]"
     "mac_target_arch=\"$target_arch\""
+    "chip_code_pre_generated_directory=\"$CHIP_ROOT/zzz_generated/darwin\""
     "mac_deployment_target=\"$LLVM_TARGET_TRIPLE_OS_VERSION$LLVM_TARGET_TRIPLE_SUFFIX\""
 )
 

zzz_generated/darwin/src/controller/data_model/controller-clusters/codegen/cpp-app/app/PluginApplicationCallbacks.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#define MATTER_PLUGINS_INIT \
+    (void)0; /* No server side clusters */
+