ability to compile text (not file)

compiler/cli/src/org/jetbrains/jet/compiler/CompileEnvironment.java

@@ -22,6 +22,8 @@ import com.intellij.openapi.util.Disposer;
 import com.intellij.openapi.util.io.FileUtil;
 import com.intellij.psi.JavaPsiFacade;
 import com.intellij.psi.search.GlobalSearchScope;
+import com.intellij.testFramework.LightVirtualFile;
+import com.intellij.util.LocalTimeCounter;
 import com.intellij.util.Processor;
 import jet.modules.AllModules;
 import jet.modules.Module;
@@ -32,6 +34,7 @@ import org.jetbrains.jet.codegen.GeneratedClassLoader;
 import org.jetbrains.jet.lang.psi.JetFile;
 import org.jetbrains.jet.lang.psi.JetPsiUtil;
 import org.jetbrains.jet.lang.resolve.java.JvmAbi;
+import org.jetbrains.jet.plugin.JetLanguage;
 import org.jetbrains.jet.plugin.JetMainDetector;
 import org.jetbrains.jet.plugin.compiler.PathUtil;
 
@@ -332,6 +335,18 @@ public class CompileEnvironment {
         }
     }
 
+    public ClassLoader compileText(String code) {
+        CompileSession session = new CompileSession(myEnvironment, myFileNameTransformer);
+        session.addSources(new LightVirtualFile("script" + LocalTimeCounter.currentTime() + ".kt", JetLanguage.INSTANCE, code));
+
+        if (!session.analyze(myErrorStream) && !ignoreErrors) {
+            return null;
+        }
+
+        ClassFileFactory factory = session.generate();
+        return new GeneratedClassLoader(factory);
+    }
+
     public boolean compileBunchOfSources(String sourceFileOrDir, String jar, String outputDir, boolean includeRuntime) {
         CompileSession session = new CompileSession(myEnvironment, myFileNameTransformer);
         session.addSources(sourceFileOrDir);

compiler/cli/src/org/jetbrains/jet/compiler/JetCoreEnvironment.java

@@ -26,6 +26,9 @@ import org.jetbrains.jet.lang.types.JetStandardLibrary;
 import org.jetbrains.jet.plugin.JetFileType;
 import org.jetbrains.jet.plugin.compiler.PathUtil;
 
+import java.io.File;
+import java.net.URL;
+import java.net.URLClassLoader;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -68,4 +71,18 @@ public class JetCoreEnvironment extends JavaCoreEnvironment {
     public void setCompilerPlugins(List<CompilerPlugin> compilerPlugins) {
         this.compilerPlugins = compilerPlugins;
     }
+
+    public void addToClasspathFromClassLoader(ClassLoader loader) {
+        ClassLoader parent = loader.getParent();
+        if(parent != null)
+            addToClasspathFromClassLoader(parent);
+        
+        if(loader instanceof URLClassLoader) {
+            for (URL url : ((URLClassLoader) loader).getURLs()) {
+                File file = new File(url.getPath());
+                if(!file.isFile() || file.getPath().endsWith(".jar"))
+                    addToClasspath(file);
+            }
+        }
+    }
 }