From da284ef10e0ef80776b9fc9b7bb0e6dc8d71ba63 Mon Sep 17 00:00:00 2001 From: Simon Hausmann Date: Mon, 17 Dec 2018 15:09:23 +0100 Subject: Add support for machine-readable JSON output to the MOC The --output-json parameter will make moc produce a .json file next to the regular output file. With --collect-json the .json files for a module can be merged into a single one. Task-number: QTBUG-68796 Change-Id: I0e8fb802d47bd22da219701a8df947973d4bd7b5 Reviewed-by: Simon Hausmann Reviewed-by: Ulf Hermann --- tests/auto/tools/moc/.gitignore | 1 + tests/auto/tools/moc/allmocs_baseline_in.json | 2608 +++++++++++++++++++++++++ tests/auto/tools/moc/moc.pro | 49 + tests/auto/tools/moc/tst_moc.cpp | 53 + 4 files changed, 2711 insertions(+) create mode 100644 tests/auto/tools/moc/allmocs_baseline_in.json (limited to 'tests/auto/tools') diff --git a/tests/auto/tools/moc/.gitignore b/tests/auto/tools/moc/.gitignore index 86a604a776..59a275bc62 100644 --- a/tests/auto/tools/moc/.gitignore +++ b/tests/auto/tools/moc/.gitignore @@ -1 +1,2 @@ tst_moc +allmocs.json diff --git a/tests/auto/tools/moc/allmocs_baseline_in.json b/tests/auto/tools/moc/allmocs_baseline_in.json new file mode 100644 index 0000000000..bde5a1c52b --- /dev/null +++ b/tests/auto/tools/moc/allmocs_baseline_in.json @@ -0,0 +1,2608 @@ +[ + { + "classes": [ + { + "className": "MyBooooooostishClass", + 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"FooNamespace::FooNestedNamespace" + }, + { + "className": "FooMoreNestedNamespace", + "enums": [ + { + "isClass": true, + "isFlag": false, + "name": "Enum4", + "values": [ + "Key7", + "Key8" + ] + } + ], + "gadget": true, + "qualifiedClassName": "FooNamespace::FooNestedNamespace::FooMoreNestedNamespace" + } + ], + "inputFile": "namespace.h", + "outputRevision": 67 + }, + { + "classes": [ + { + "className": "ClassInNamespace", + "enums": [ + { + "isClass": false, + "isFlag": false, + "name": "GadEn", + "values": [ + "Value" + ] + } + ], + "gadget": true, + "qualifiedClassName": "CXX17Namespace::A::B::C::D::ClassInNamespace" + }, + { + "className": "D", + "enums": [ + { + "isClass": false, + "isFlag": false, + "name": "NamEn", + "values": [ + "Value" + ] + } + ], + "gadget": true, + "qualifiedClassName": "CXX17Namespace::A::B::C::D" + } + ], + "inputFile": "cxx17-namespaces.h", + "outputRevision": 67 + } +] diff --git a/tests/auto/tools/moc/moc.pro b/tests/auto/tools/moc/moc.pro index ad8c093add..1794bafd2c 100644 --- a/tests/auto/tools/moc/moc.pro +++ b/tests/auto/tools/moc/moc.pro @@ -32,6 +32,9 @@ HEADERS += using-namespaces.h no-keywords.h task87883.h c-comments.h backslash-n namespace.h cxx17-namespaces.h \ cxx-attributes.h +# No platform specifics in the JSON files, so that we can compare them +JSON_HEADERS = $$HEADERS +JSON_HEADERS -= cxx-attributes.h if(*-g++*|*-icc*|*-clang*|*-llvm):!win32-*: HEADERS += os9-newlines.h win-newlines.h if(*-g++*|*-clang*): HEADERS += dollars.h @@ -50,3 +53,49 @@ QMAKE_MOC_OPTIONS += -Muri=com.company.app -Muri=com.company.app.private # Define macro on the command lines used in parse-defines.h QMAKE_MOC_OPTIONS += "-DDEFINE_CMDLINE_EMPTY=" "\"-DDEFINE_CMDLINE_SIGNAL=void cmdlineSignal(const QMap &i)\"" +QMAKE_MOC_OPTIONS += --output-json + +debug_and_release { + CONFIG(debug, debug|release) { + MOC_CPP_DIR = $$MOC_DIR/debug + } else { + MOC_CPP_DIR = $$MOC_DIR/release + } +} else { + MOC_CPP_DIR = $$MOC_DIR +} + +moc_json_header.input = JSON_HEADERS +moc_json_header.output = $$MOC_CPP_DIR/$${QMAKE_H_MOD_MOC}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_CPP)}.json +moc_json_header.CONFIG = no_link moc_verify +moc_json_header.depends = $$MOC_CPP_DIR/$${QMAKE_H_MOD_MOC}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_CPP)} +moc_json_header.commands = $$escape_expand(\\n) # force creation of rule +moc_json_header.variable_out = MOC_JSON_HEADERS + +BASELINE_IN = allmocs_baseline_in.json +copy_baseline.commands = $${QMAKE_COPY} $$shell_path(${QMAKE_FILE_NAME}) ${QMAKE_FILE_OUT} +copy_baseline.input = BASELINE_IN +copy_baseline.output = $$OUT_PWD/allmocs_baseline.json +copy_baseline.CONFIG = no_link + +qtPrepareTool(MOC_COLLECT_JSON, moc) +jsoncollector.CONFIG += combine +jsoncollector.commands = $$MOC_COLLECT_JSON --collect-json -o ${QMAKE_FILE_OUT} ${QMAKE_FILE_IN} +jsoncollector.input = MOC_JSON_HEADERS +jsoncollector.output = $$OUT_PWD/allmocs.json +jsoncollector.variable_out = GENERATED_FILES + +allmocs_contents = \ + ""\ + ""\ + "allmocs.json"\ + "allmocs_baseline.json"\ + ""\ + "" + +allmocs_file = $$OUT_PWD/allmocs.qrc + +!write_file($$allmocs_file, allmocs_contents): error() +RESOURCES += $$allmocs_file + +QMAKE_EXTRA_COMPILERS += moc_json_header copy_baseline jsoncollector diff --git a/tests/auto/tools/moc/tst_moc.cpp b/tests/auto/tools/moc/tst_moc.cpp index 89f563f11d..9fc00288fe 100644 --- a/tests/auto/tools/moc/tst_moc.cpp +++ b/tests/auto/tools/moc/tst_moc.cpp @@ -33,6 +33,7 @@ #include #include #include +#include #include "using-namespaces.h" #include "assign-namespace.h" @@ -717,6 +718,7 @@ private slots: void testQNamespace(); void cxx17Namespaces(); void cxxAttributes(); + void mocJsonOutput(); signals: void sigWithUnsignedArg(unsigned foo); @@ -3971,6 +3973,57 @@ void tst_Moc::cxxAttributes() QCOMPARE(meta.keyCount(), 7); } +void tst_Moc::mocJsonOutput() +{ + const auto readFile = [](const QString &fileName) { + QFile f(fileName); + f.open(QIODevice::ReadOnly); + return QJsonDocument::fromJson(f.readAll()); + }; + + const QString actualFile = QStringLiteral(":/allmocs.json"); + const QString expectedFile = QStringLiteral(":/allmocs_baseline.json"); + + QVERIFY2(QFile::exists(actualFile), qPrintable(actualFile)); + QVERIFY2(QFile::exists(expectedFile), qPrintable(expectedFile)); + + QJsonDocument actualOutput = readFile(QLatin1String(":/allmocs.json")); + QJsonDocument expectedOutput = readFile(QLatin1String(":/allmocs_baseline.json")); + + const auto showPotentialDiff = [](const QJsonDocument &actual, const QJsonDocument &expected) -> QByteArray { +#if defined(Q_OS_UNIX) + QByteArray actualStr = actual.toJson(); + QByteArray expectedStr = expected.toJson(); + + QTemporaryFile actualFile; + if (!actualFile.open()) + return "Error opening actual temp file"; + actualFile.write(actualStr); + actualFile.flush(); + + QTemporaryFile expectedFile; + if (!expectedFile.open()) + return "Error opening expected temp file"; + expectedFile.write(expectedStr); + expectedFile.flush(); + + QProcess diffProc; + diffProc.setProgram("diff"); + diffProc.setArguments(QStringList() << "-ub" << expectedFile.fileName() << actualFile.fileName()); + diffProc.start(); + if (!diffProc.waitForStarted()) + return "Error waiting for diff process to start."; + if (!diffProc.waitForFinished()) + return "Error waiting for diff process to finish."; + return diffProc.readAllStandardOutput(); +#else + return "Cannot launch diff. Please check allmocs.json and allmocs_baseline.json on disk."; +#endif + }; + + QVERIFY2(actualOutput == expectedOutput, showPotentialDiff(actualOutput, expectedOutput).constData()); +} + QTEST_MAIN(tst_Moc) // the generated code must compile with QT_NO_KEYWORDS -- cgit v1.2.3