Change scripting engine from V8 to duktape

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "third_party/gtest"]
 	path = third_party/gtest
 	url = https://github.com/aseprite/gtest.git
+[submodule "third_party/duktape"]
+	path = third_party/duktape
+	url = https://github.com/aseprite/duktape.git

CMakeLists.txt

@@ -111,6 +111,7 @@ set(PIXMAN_DIR          ${CMAKE_SOURCE_DIR}/third_party/pixman)
 set(SIMPLEINI_DIR       ${CMAKE_SOURCE_DIR}/third_party/simpleini)
 set(TINYXML_DIR         ${CMAKE_SOURCE_DIR}/third_party/tinyxml)
 set(ZLIB_DIR            ${CMAKE_SOURCE_DIR}/third_party/zlib)
+set(DUKTAPE_DIR         ${CMAKE_SOURCE_DIR}/third_party/duktape)
 
 # Search in the "cmake" directory for additional CMake modules.
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
@@ -157,6 +158,9 @@ else()
   include_directories(${LIBPNG_DIR})
 endif()
 
+# Include duktape directory
+include_directories(${DUKTAPE_DIR})
+
 # Do not use MMX optimizations in PNG code
 add_definitions(-DPNG_NO_MMX_CODE)
 

cmake/FindV8.cmake

@@ -1,19 +0,0 @@
-# ASEPRITE
-# Copyright (C) 2001-2012  David Capello
-
-find_path(V8_INCLUDE_DIR NAMES v8.h
-  HINTS "$ENV{V8_DIR}/include")
-find_library(V8_BASE NAMES v8_base
-  HINTS "$ENV{V8_DIR}"
-        "$ENV{V8_DIR}/lib"
-        "$ENV{V8_DIR}/build/Release/lib")
-find_library(V8_SNAPSHOT NAMES v8_snapshot
-  HINTS "$ENV{V8_DIR}"
-        "$ENV{V8_DIR}/lib"
-        "$ENV{V8_DIR}/build/Release/lib")
-mark_as_advanced(V8_INCLUDE_DIR V8_BASE V8_SNAPSHOT)
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(V8 DEFAULT_MSG V8_BASE V8_SNAPSHOT V8_INCLUDE_DIR)
-
-set(V8_LIBRARIES ${V8_BASE} ${V8_SNAPSHOT})

src/scripting/CMakeLists.txt

@@ -1,18 +1,7 @@
 # ASEPRITE
-# Copyright (C) 2001-2013  David Capello
-
-find_package(V8)
-
-set(V8_FOUND ${V8_FOUND} PARENT_SCOPE)
-set(V8_INCLUDE_DIR ${V8_INCLUDE_DIR} PARENT_SCOPE)
-set(V8_LIBRARIES ${V8_LIBRARIES} PARENT_SCOPE)
-
-if(V8_FOUND)
-  include_directories(${V8_INCLUDE_DIR})
-  add_definitions(-DHAVE_V8_LIBRARY)
-else()
-  message(WARNING "V8 not found, compiling without JS scripting support")
-endif()
+# Copyright (C) 2001-2013, 2015  David Capello
 
 add_library(scripting-lib
   engine.cpp)
+
+target_link_libraries(scripting-lib duktape)

src/scripting/engine.cpp

@@ -7,11 +7,7 @@
 
 #include "scripting/engine.h"
 
-#ifdef HAVE_V8_LIBRARY
-#include "scripting/engine_v8.h"
-#else
-#include "scripting/engine_none.h"
-#endif
+#include "scripting/engine_duktape.h"
 
 namespace scripting {
 

src/scripting/engine_duktape.h

@@ -1,38 +1,29 @@
-// Aseprite
-// Copyright (C) 2001-2015  David Capello
-//
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License version 2 as
-// published by the Free Software Foundation.
-
-#include "scripting/engine.h"
-
-#include <v8.h>
-
-using namespace v8;
-
-class scripting::Engine::EngineImpl
-{
-public:
-  EngineImpl() { }
-
-  bool supportEval() const {
-    return true;
-  }
-
-  void eval(const std::string& scriptString) {
-    HandleScope handle_scope;
-
-    Persistent<Context> context = Context::New();
-    Context::Scope context_scope(context);
-
-    Handle<String> source = String::New(scriptString.c_str());
-    Handle<Script> script = Script::Compile(source);
-    Handle<Value> result = script->Run();
-    context.Dispose();
-
-    String::AsciiValue ascii(result);
-    printf("%s\n", *ascii);
-  }
-
-};
+// Aseprite
+// Copyright (C) 2001-2015  David Capello
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation.
+
+#include "scripting/engine.h"
+
+#include <duktape.h>
+
+class scripting::Engine::EngineImpl
+{
+public:
+  EngineImpl() { }
+
+  bool supportEval() const {
+    return true;
+  }
+
+  void eval(const std::string& scriptString) {
+    duk_context *ctx = duk_create_heap_default();
+    duk_eval_string(ctx, scriptString.c_str());
+    duk_pop(ctx);
+    printf("%s\n", duk_get_string(ctx, -1));
+    duk_destroy_heap(ctx);
+  }
+
+};

third_party/CMakeLists.txt

@@ -55,3 +55,6 @@ if(NOT USE_SHARED_PIXMAN)
 endif()
 
 add_subdirectory(simpleini)
+
+# Duktape
+add_library(duktape duktape/duktape.c)

third_party/duktape

@@ -0,0 +1 @@
+Subproject commit 90090c7f9277e192af58e1878aee24e5d9f48eaa