package processing.mode.cpp;
import java.io.File;
import processing.app.Base;
import processing.app.Mode;
import processing.app.RunnerListener;
import processing.app.Sketch;
import processing.app.ui.EditorException;
import processing.app.ui.EditorState;
public class CppMode extends Mode {
public CppMode(Base base, File folder) {
super(base, folder);
// Precompile Processing.cpp in background so first Run is fast
new Thread(() -> warmupCache(), "cppmode-warmup").start();
}
private void warmupCache() {
try {
File runtimeDir = getRuntimeDir();
String cacheSubDir = System.getProperty("os.name","").toLowerCase().contains("win")
? "cache/windows-x64" : "cache/linux-x64";
File cacheDir = new File(getRuntimeDir().getParentFile(), cacheSubDir);
cacheDir.mkdirs();
File processingO = new File(cacheDir, "Processing.o");
File processingCpp = new File(runtimeDir, "Processing.cpp");
File processingH = new File(runtimeDir, "Processing.h");
boolean needsRebuild = !processingO.exists()
|| processingCpp.lastModified() > processingO.lastModified()
|| (processingH.exists() && processingH.lastModified() > processingO.lastModified());
if (!needsRebuild) return;
// Find g++
String gpp = "g++";
String os = System.getProperty("os.name","").toLowerCase();
if (os.contains("win")) {
String[] msys = {
"C:\\msys64\\mingw64\\bin\\g++.exe",
"C:\\msys2\\mingw64\\bin\\g++.exe"
};
for (String p : msys) if (new File(p).exists()) { gpp = p; break; }
}
java.util.List cmd = new java.util.ArrayList<>();
cmd.add(gpp);
cmd.add("-std=c++17"); cmd.add("-O2");
cmd.add("-I" + runtimeDir.getAbsolutePath());
cmd.add("-DPROCESSING_HAS_STB_IMAGE");
cmd.add("-c"); cmd.add(processingCpp.getAbsolutePath());
cmd.add("-o"); cmd.add(processingO.getAbsolutePath());
new ProcessBuilder(cmd).redirectErrorStream(true).start().waitFor();
// Also precompile Processing_defaults.cpp
File defaultsO = new File(cacheDir, "Processing_defaults.o");
File defaultsCpp = new File(runtimeDir, "Processing_defaults.cpp");
if (!defaultsO.exists() || defaultsCpp.lastModified() > defaultsO.lastModified()) {
java.util.List cmd2 = new java.util.ArrayList<>();
cmd2.add(gpp);
cmd2.add("-std=c++17"); cmd2.add("-O2");
cmd2.add("-I" + runtimeDir.getAbsolutePath());
cmd2.add("-DPROCESSING_HAS_STB_IMAGE");
cmd2.add("-c"); cmd2.add(defaultsCpp.getAbsolutePath());
cmd2.add("-o"); cmd2.add(defaultsO.getAbsolutePath());
new ProcessBuilder(cmd2).redirectErrorStream(true).start().waitFor();
}
} catch (Exception ignored) {}
}
@Override public String getTitle() { return "C++"; }
@Override public String getDefaultExtension() { return "pde"; }
@Override public String[] getExtensions() { return new String[] { "pde", "cpp" }; }
@Override public String[] getIgnorable() { return new String[] { "pde~", "cpp~" }; }
@Override
public CppEditor createEditor(Base base, String path, EditorState state)
throws EditorException {
return new CppEditor(base, path, state, this);
}
@Override
public File getTemplateFolder() {
return new File(folder, "template");
}
public File getRuntimeDir() {
return new File(folder, "src");
}
public CppRunner handleLaunch(Sketch sketch, RunnerListener listener)
throws Exception {
CppBuild build = new CppBuild(sketch, this);
File binary = build.compile(listener);
if (binary == null) return null;
File sketchFolder = sketch.getFolder();
File runtimeDir = getRuntimeDir();
CppRunner runner = new CppRunner(binary, sketchFolder, runtimeDir, listener);
runner.launch();
return runner;
}
public void handleStop(CppRunner runner) {
if (runner != null) runner.stop();
}
}