blob: 9e638650aa36817b1abff77a2362f6e9238bc79f [file] [log] [blame]
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:async';
import 'package:meta/meta.dart';
import '../artifacts.dart';
import '../base/context.dart';
import '../base/file_system.dart';
import '../base/io.dart';
import '../base/platform.dart';
import '../base/process.dart';
import '../base/process_manager.dart';
import '../base/utils.dart';
import '../build_info.dart';
import '../cache.dart';
import '../globals.dart';
import '../project.dart';
final RegExp _settingExpr = RegExp(r'(\w+)\s*=\s*(.*)$');
final RegExp _varExpr = RegExp(r'\$\(([^)]*)\)');
String flutterFrameworkDir(BuildMode mode) {
return fs.path.normalize(fs.path.dirname(artifacts.getArtifactPath(Artifact.flutterFramework, TargetPlatform.ios, mode)));
}
/// Writes or rewrites Xcode property files with the specified information.
///
/// targetOverride: Optional parameter, if null or unspecified the default value
/// from xcode_backend.sh is used 'lib/main.dart'.
Future<void> updateGeneratedXcodeProperties({
@required FlutterProject project,
@required BuildInfo buildInfo,
String targetOverride,
}) async {
final StringBuffer localsBuffer = StringBuffer();
localsBuffer.writeln('// This is a generated file; do not edit or check into version control.');
final String flutterRoot = fs.path.normalize(Cache.flutterRoot);
localsBuffer.writeln('FLUTTER_ROOT=$flutterRoot');
// This holds because requiresProjectRoot is true for this command
localsBuffer.writeln('FLUTTER_APPLICATION_PATH=${fs.path.normalize(project.directory.path)}');
// Relative to FLUTTER_APPLICATION_PATH, which is [Directory.current].
if (targetOverride != null)
localsBuffer.writeln('FLUTTER_TARGET=$targetOverride');
// The runtime mode for the current build.
localsBuffer.writeln('FLUTTER_BUILD_MODE=${buildInfo.modeName}');
// The build outputs directory, relative to FLUTTER_APPLICATION_PATH.
localsBuffer.writeln('FLUTTER_BUILD_DIR=${getBuildDirectory()}');
localsBuffer.writeln('SYMROOT=\${SOURCE_ROOT}/../${getIosBuildDirectory()}');
if (!project.isModule) {
// For module projects we do not want to write the FLUTTER_FRAMEWORK_DIR
// explicitly. Rather we rely on the xcode backend script and the Podfile
// logic to derive it from FLUTTER_ROOT and FLUTTER_BUILD_MODE.
localsBuffer.writeln('FLUTTER_FRAMEWORK_DIR=${flutterFrameworkDir(buildInfo.mode)}');
}
final String buildName = buildInfo?.buildName ?? project.manifest.buildName;
if (buildName != null) {
localsBuffer.writeln('FLUTTER_BUILD_NAME=$buildName');
}
final int buildNumber = buildInfo?.buildNumber ?? project.manifest.buildNumber;
if (buildNumber != null) {
localsBuffer.writeln('FLUTTER_BUILD_NUMBER=$buildNumber');
}
if (artifacts is LocalEngineArtifacts) {
final LocalEngineArtifacts localEngineArtifacts = artifacts;
localsBuffer.writeln('LOCAL_ENGINE=${localEngineArtifacts.engineOutPath}');
// Tell Xcode not to build universal binaries for local engines, which are
// single-architecture.
//
// NOTE: this assumes that local engine binary paths are consistent with
// the conventions uses in the engine: 32-bit iOS engines are built to
// paths ending in _arm, 64-bit builds are not.
final String arch = localEngineArtifacts.engineOutPath.endsWith('_arm') ? 'armv7' : 'arm64';
localsBuffer.writeln('ARCHS=$arch');
}
if (buildInfo.trackWidgetCreation) {
localsBuffer.writeln('TRACK_WIDGET_CREATION=true');
}
final File generatedXcodePropertiesFile = project.ios.generatedXcodePropertiesFile;
generatedXcodePropertiesFile.createSync(recursive: true);
generatedXcodePropertiesFile.writeAsStringSync(localsBuffer.toString());
}
XcodeProjectInterpreter get xcodeProjectInterpreter => context[XcodeProjectInterpreter];
/// Interpreter of Xcode projects.
class XcodeProjectInterpreter {
static const String _executable = '/usr/bin/xcodebuild';
static final RegExp _versionRegex = RegExp(r'Xcode ([0-9.]+)');
void _updateVersion() {
if (!platform.isMacOS || !fs.file(_executable).existsSync()) {
return;
}
try {
final ProcessResult result = processManager.runSync(<String>[_executable, '-version']);
if (result.exitCode != 0) {
return;
}
_versionText = result.stdout.trim().replaceAll('\n', ', ');
final Match match = _versionRegex.firstMatch(versionText);
if (match == null)
return;
final String version = match.group(1);
final List<String> components = version.split('.');
_majorVersion = int.parse(components[0]);
_minorVersion = components.length == 1 ? 0 : int.parse(components[1]);
} on ProcessException {
// Ignore: leave values null.
}
}
bool get isInstalled => majorVersion != null;
String _versionText;
String get versionText {
if (_versionText == null)
_updateVersion();
return _versionText;
}
int _majorVersion;
int get majorVersion {
if (_majorVersion == null)
_updateVersion();
return _majorVersion;
}
int _minorVersion;
int get minorVersion {
if (_minorVersion == null)
_updateVersion();
return _minorVersion;
}
Map<String, String> getBuildSettings(String projectPath, String target) {
final String out = runCheckedSync(<String>[
_executable,
'-project',
fs.path.absolute(projectPath),
'-target',
target,
'-showBuildSettings'
], workingDirectory: projectPath);
return parseXcodeBuildSettings(out);
}
XcodeProjectInfo getInfo(String projectPath) {
final String out = runCheckedSync(<String>[
_executable, '-list',
], workingDirectory: projectPath);
return XcodeProjectInfo.fromXcodeBuildOutput(out);
}
}
Map<String, String> parseXcodeBuildSettings(String showBuildSettingsOutput) {
final Map<String, String> settings = <String, String>{};
for (Match match in showBuildSettingsOutput.split('\n').map(_settingExpr.firstMatch)) {
if (match != null) {
settings[match[1]] = match[2];
}
}
return settings;
}
/// Substitutes variables in [str] with their values from the specified Xcode
/// project and target.
String substituteXcodeVariables(String str, Map<String, String> xcodeBuildSettings) {
final Iterable<Match> matches = _varExpr.allMatches(str);
if (matches.isEmpty)
return str;
return str.replaceAllMapped(_varExpr, (Match m) => xcodeBuildSettings[m[1]] ?? m[0]);
}
/// Information about an Xcode project.
///
/// Represents the output of `xcodebuild -list`.
class XcodeProjectInfo {
XcodeProjectInfo(this.targets, this.buildConfigurations, this.schemes);
factory XcodeProjectInfo.fromXcodeBuildOutput(String output) {
final List<String> targets = <String>[];
final List<String> buildConfigurations = <String>[];
final List<String> schemes = <String>[];
List<String> collector;
for (String line in output.split('\n')) {
if (line.isEmpty) {
collector = null;
continue;
} else if (line.endsWith('Targets:')) {
collector = targets;
continue;
} else if (line.endsWith('Build Configurations:')) {
collector = buildConfigurations;
continue;
} else if (line.endsWith('Schemes:')) {
collector = schemes;
continue;
}
collector?.add(line.trim());
}
if (schemes.isEmpty)
schemes.add('Runner');
return XcodeProjectInfo(targets, buildConfigurations, schemes);
}
final List<String> targets;
final List<String> buildConfigurations;
final List<String> schemes;
bool get definesCustomTargets => !(targets.contains('Runner') && targets.length == 1);
bool get definesCustomSchemes => !(schemes.contains('Runner') && schemes.length == 1);
bool get definesCustomBuildConfigurations {
return !(buildConfigurations.contains('Debug') &&
buildConfigurations.contains('Release') &&
buildConfigurations.length == 2);
}
/// The expected scheme for [buildInfo].
static String expectedSchemeFor(BuildInfo buildInfo) {
return toTitleCase(buildInfo.flavor ?? 'runner');
}
/// The expected build configuration for [buildInfo] and [scheme].
static String expectedBuildConfigurationFor(BuildInfo buildInfo, String scheme) {
final String baseConfiguration = _baseConfigurationFor(buildInfo);
if (buildInfo.flavor == null)
return baseConfiguration;
else
return baseConfiguration + '-$scheme';
}
/// Returns unique scheme matching [buildInfo], or null, if there is no unique
/// best match.
String schemeFor(BuildInfo buildInfo) {
final String expectedScheme = expectedSchemeFor(buildInfo);
if (schemes.contains(expectedScheme))
return expectedScheme;
return _uniqueMatch(schemes, (String candidate) {
return candidate.toLowerCase() == expectedScheme.toLowerCase();
});
}
/// Returns unique build configuration matching [buildInfo] and [scheme], or
/// null, if there is no unique best match.
String buildConfigurationFor(BuildInfo buildInfo, String scheme) {
final String expectedConfiguration = expectedBuildConfigurationFor(buildInfo, scheme);
if (buildConfigurations.contains(expectedConfiguration))
return expectedConfiguration;
final String baseConfiguration = _baseConfigurationFor(buildInfo);
return _uniqueMatch(buildConfigurations, (String candidate) {
candidate = candidate.toLowerCase();
if (buildInfo.flavor == null)
return candidate == expectedConfiguration.toLowerCase();
else
return candidate.contains(baseConfiguration.toLowerCase()) && candidate.contains(scheme.toLowerCase());
});
}
static String _baseConfigurationFor(BuildInfo buildInfo) => buildInfo.isDebug ? 'Debug' : 'Release';
static String _uniqueMatch(Iterable<String> strings, bool matches(String s)) {
final List<String> options = strings.where(matches).toList();
if (options.length == 1)
return options.first;
else
return null;
}
@override
String toString() {
return 'XcodeProjectInfo($targets, $buildConfigurations, $schemes)';
}
}