new compiler mode: stdlib

include jdk-headers, do not include runtime

build.xml

@@ -52,7 +52,7 @@
         </javac>
     </target>
 
-    <target name="compileStdlib" depends="jar,jarLang">
+    <target name="compileStdlib" depends="jar,jarLang,compileRT">
         <mkdir dir="${output}/classes/stdlib"/>
         <java classname="org.jetbrains.jet.cli.KotlinCompiler" failonerror="true" fork="true">
             <classpath>
@@ -63,6 +63,10 @@
             <arg value="${basedir}/libraries/stdlib/src"/>
             <arg value="-output"/>
             <arg value="${output}/classes/stdlib"/>
+            <arg value="-mode"/>
+            <arg value="stdlib"/>
+            <arg value="-classpath"/>
+            <arg value="${output}/classes/runtime"/>
         </java>
     </target>
 

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

@@ -125,6 +125,8 @@ public class CompileEnvironment {
             ensureRuntime(environment);
         } else if (mode == CompilerSpecialMode.JDK_HEADERS) {
             ensureJdkRuntime(environment);
+        } else if (mode == CompilerSpecialMode.STDLIB) {
+            ensureJdkRuntime(environment);
         } else if (mode == CompilerSpecialMode.BUILTINS) {
             // nop
         } else {

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/CompilerSpecialMode.java

@@ -23,4 +23,10 @@ public enum CompilerSpecialMode {
     REGULAR,
     BUILTINS,
     JDK_HEADERS,
+    STDLIB,
+    ;
+
+    public boolean includeJdkHeaders() {
+        return this == REGULAR || this == STDLIB;
+    }
 }

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/PsiClassFinderForJvm.java

@@ -62,7 +62,7 @@ public class PsiClassFinderForJvm implements PsiClassFinder {
     @PostConstruct
     public void initialize() {
         this.altClassFinder = new AltClassFinder(project,
-                compilerSpecialMode == CompilerSpecialMode.REGULAR ? PathUtil.getAltHeadersRoots() : Collections.<VirtualFile>emptyList());
+                compilerSpecialMode.includeJdkHeaders() ? PathUtil.getAltHeadersRoots() : Collections.<VirtualFile>emptyList());
         this.javaSearchScope = new DelegatingGlobalSearchScope(GlobalSearchScope.allScope(project)) {
             @Override
             public boolean contains(VirtualFile file) {

compiler/tests/org/jetbrains/jet/codegen/ForTestCompileStdlib.java

@@ -98,7 +98,11 @@ public class ForTestCompileStdlib {
     }
 
     private static void compileKotlinPartOfStdlib(File destdir) throws IOException {
-        KotlinCompiler.ExitCode exitCode = new KotlinCompiler().exec(System.err, "-output", destdir.getPath(), "-src", "./libraries/stdlib/src", "-stdlib", destdir.getAbsolutePath());
+        KotlinCompiler.ExitCode exitCode = new KotlinCompiler().exec(System.err,
+                "-output", destdir.getPath(),
+                "-src", "./libraries/stdlib/src",
+                "-mode", "stdlib",
+                "-classpath", "out/production/runtime");
         if (exitCode != KotlinCompiler.ExitCode.OK) {
             throw new IllegalStateException("stdlib for test compilation failed: " + exitCode);
         }