Build examples on CMake (#67)

.github/workflows/ci.yml

@@ -48,6 +48,31 @@ jobs:
         if: ${{ matrix.buildType == 'Release' }}
         run: |
           time ./build/run-test262 -m -c test262.conf -a
+  linux-examples:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: build
+        run: |
+          mkdir build
+          cd build
+          cmake -DBUILD_EXAMPLES=ON -DCMAKE_VERBOSE_MAKEFILE=ON ..
+          cd ..
+          cmake --build build -j$(getconf _NPROCESSORS_ONLN)
+      - name: test
+        run: |
+          ldd build/hello
+          ldd build/hello_module
+          ldd build/test_fib
+          ./build/hello
+          ./build/hello_module
+          ./build/test_fib
+          cp build/fib.so examples/
+          cp build/point.so examples/
+          cp build/bjson.so tests/
+          ./build/qjs examples/test_fib.js
+          ./build/qjs examples/test_point.js
+          ./build/qjs tests/test_bjson.js
   linux-shared:
     runs-on: ubuntu-latest
     steps:
@@ -175,6 +200,31 @@ jobs:
           ./build/qjs tests/test_loop.js
           ./build/qjs tests/test_std.js
           ./build/qjs tests/test_worker.js
+  macos-examples:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: build
+        run: |
+          mkdir build
+          cd build
+          cmake -DBUILD_EXAMPLES=ON ..
+          cd ..
+          cmake --build build -j$(getconf _NPROCESSORS_ONLN)
+      - name: test
+        run: |
+          otool -L build/hello
+          otool -L build/hello_module
+          otool -L build/test_fib
+          ./build/hello
+          ./build/hello_module
+          ./build/test_fib
+          cp build/fib.so examples/
+          cp build/point.so examples/
+          cp build/bjson.so tests/
+          ./build/qjs examples/test_fib.js
+          ./build/qjs examples/test_point.js
+          ./build/qjs tests/test_bjson.js
   macos-shared:
     runs-on: macos-latest
     steps:

.gitignore

@@ -1,10 +1,10 @@
 *.a
 *.orig
+*.so
 .obj/
 build/
 examples/hello
 examples/hello_module
-examples/point.so
 examples/test_fib
 hello.c
 microbench

CMakeLists.txt

@@ -56,6 +56,7 @@ if(BUILD_SHARED_LIBS)
     message(STATUS "Building a shared library")
 endif()
 
+option(BUILD_EXAMPLES "Build examples" OFF)
 option(CONFIG_ASAN "Enable AddressSanitizer (ASan)" OFF)
 option(CONFIG_MSAN "Enable MemorySanitizer (MSan)" OFF)
 option(CONFIG_UBSAN "Enable UndefinedBehaviorSanitizer (UBSan)" OFF)
@@ -114,6 +115,10 @@ set(qjs_sources
 )
 
 list(APPEND qjs_defines _GNU_SOURCE)
+list(APPEND qjs_libs qjs m pthread)
+if(NOT MINGW)
+    list(APPEND qjs_libs dl)
+endif()
 
 add_library(qjs ${qjs_sources})
 target_compile_definitions(qjs PRIVATE ${qjs_defines})
@@ -128,6 +133,17 @@ target_include_directories(qjs PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
 # QuickJS bytecode compiler
 #
 
+add_executable(qjsc
+    qjsc.c
+    quickjs-libc.c
+)
+target_compile_definitions(qjsc PRIVATE ${qjs_defines})
+target_link_libraries(qjsc ${qjs_libs})
+
+
+# QuickJS CLI
+#
+
 add_custom_command(
     OUTPUT repl.c
     COMMAND "${CMAKE_CURRENT_BINARY_DIR}/qjsc" -c -o ./repl.c -m ${CMAKE_CURRENT_SOURCE_DIR}/repl.js
@@ -137,20 +153,6 @@ add_custom_command(
     SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/repl.js
 )
 
-add_executable(qjsc
-    qjsc.c
-    quickjs-libc.c
-)
-target_compile_definitions(qjsc PRIVATE ${qjs_defines})
-target_link_libraries(qjsc qjs m pthread)
-if(NOT MINGW)
-    target_link_libraries(qjsc dl)
-endif()
-
-
-# QuickJS CLI
-#
-
 add_executable(qjs_exe
     qjs.c
     quickjs-libc.c
@@ -160,9 +162,9 @@ set_target_properties(qjs_exe PROPERTIES
     OUTPUT_NAME "qjs"
 )
 target_compile_definitions(qjs_exe PRIVATE ${qjs_defines})
-target_link_libraries(qjs_exe qjs m pthread)
+target_link_libraries(qjs_exe ${qjs_libs})
 if(NOT MINGW)
-    target_link_libraries(qjs_exe dl)
+    set_target_properties(qjs_exe PROPERTIES ENABLE_EXPORTS TRUE)
 endif()
 
 
@@ -174,9 +176,113 @@ add_executable(run-test262
     run-test262.c
 )
 target_compile_definitions(run-test262 PRIVATE ${qjs_defines})
-target_link_libraries(run-test262 qjs m pthread)
+target_link_libraries(run-test262 ${qjs_libs})
+
+
+# Examples
+#
+
+if(BUILD_EXAMPLES AND NOT MINGW)
+    list(APPEND HELLO_OPTS
+        -fno-string-normalize
+        -fno-map
+        -fno-promise
+        -fno-typedarray
+        -fno-typedarray
+        -fno-regexp
+        -fno-json
+        -fno-eval
+        -fno-proxy
+        -fno-date
+        -fno-module-loader
+    )
+    add_custom_command(
+        OUTPUT hello.c
+        COMMAND "${CMAKE_CURRENT_BINARY_DIR}/qjsc" -e -o ./hello.c ${HELLO_OPTS} ${CMAKE_CURRENT_SOURCE_DIR}/examples/hello.js
+        DEPENDS qjsc
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+        COMMENT "Compile hello.js to a C file with bytecode embeddee"
+        SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/examples/hello.js
+    )
+    add_executable(hello
+        ${CMAKE_CURRENT_BINARY_DIR}/hello.c
+        quickjs-libc.c
+    )
+    target_include_directories(hello PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+    target_compile_definitions(hello PRIVATE ${qjs_defines})
+    target_link_libraries(hello ${qjs_libs})
+
+    list(APPEND HELLO_MODULE_OPTS
+        -fno-string-normalize
+        -fno-map
+        -fno-typedarray
+        -fno-regexp
+        -fno-json
+        -fno-eval
+        -fno-proxy
+        -fno-date
+    )
+    add_custom_command(
+        OUTPUT hello_module.c
+        COMMAND "${CMAKE_CURRENT_BINARY_DIR}/qjsc" -e -o ./hello_module.c ${HELLO_MODULE_OPTS} -m ${CMAKE_CURRENT_SOURCE_DIR}/examples/hello_module.js
+        DEPENDS qjsc
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+        COMMENT "Compile hello_module.js to a C file with bytecode embeddee"
+        SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/examples/hello_module.js
+    )
+    add_executable(hello_module
+        ${CMAKE_CURRENT_BINARY_DIR}/hello_module.c
+        quickjs-libc.c
+    )
+    target_include_directories(hello_module PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+    target_compile_definitions(hello_module PRIVATE ${qjs_defines})
+    target_link_libraries(hello_module ${qjs_libs})
+
     if(NOT MINGW)
-    target_link_libraries(run-test262 dl)
+        add_library(fib MODULE examples/fib.c)
+        set_target_properties(fib PROPERTIES
+            PREFIX ""
+        )
+        target_compile_definitions(fib PRIVATE JS_SHARED_LIBRARY)
+        if(APPLE)
+            target_link_options(fib PRIVATE -undefined dynamic_lookup)
+        endif()
+
+        add_library(point MODULE examples/point.c)
+        set_target_properties(point PROPERTIES
+            PREFIX ""
+        )
+        target_compile_definitions(point PRIVATE JS_SHARED_LIBRARY)
+        if(APPLE)
+            target_link_options(point PRIVATE -undefined dynamic_lookup)
+        endif()
+
+        add_library(bjson MODULE tests/bjson.c)
+        set_target_properties(bjson PROPERTIES
+            PREFIX ""
+        )
+        target_compile_definitions(bjson PRIVATE JS_SHARED_LIBRARY)
+        if(APPLE)
+            target_link_options(bjson PRIVATE -undefined dynamic_lookup)
+        endif()
+    endif()
+
+    add_custom_command(
+        OUTPUT test_fib.c
+        COMMAND "${CMAKE_CURRENT_BINARY_DIR}/qjsc" -e -o test_fib.c -M ${CMAKE_CURRENT_SOURCE_DIR}/examples/fib.so,fib -m ${CMAKE_CURRENT_SOURCE_DIR}/examples/test_fib.js
+        DEPENDS qjsc
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+        COMMENT "Compile test_fib.js to a C file with bytecode embedded"
+        SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/examples/test_fib.js
+    )
+    add_executable(test_fib
+        ${CMAKE_CURRENT_BINARY_DIR}/test_fib.c
+        examples/fib.c
+        quickjs-libc.c
+    )
+    target_include_directories(test_fib PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+    target_compile_definitions(test_fib PRIVATE ${qjs_defines})
+    target_link_libraries(test_fib ${qjs_libs})
 endif()
 
 

quickjs-libc.c

@@ -486,8 +486,8 @@ static JSModuleDef *js_module_loader_so(JSContext *ctx,
     if (filename != module_name)
         js_free(ctx, filename);
     if (!hd) {
-        JS_ThrowReferenceError(ctx, "could not load module filename '%s' as shared library",
-                               module_name);
+        JS_ThrowReferenceError(ctx, "could not load module filename '%s' as shared library: %s",
+                               module_name, dlerror());
         goto fail;
     }