From 09d0780fe6aa7cd42f7aee3c0b3aae8aed8429bf Mon Sep 17 00:00:00 2001
From: Stepan Koltsov <stepan.koltsov@jetbrains.com>
Date: Fri, 6 Jan 2012 21:22:55 +0400
Subject: [PATCH] developer option to exclude sources

to compile stdlib
---
 build.xml                                                   | 1 +
 .../src/org/jetbrains/jet/compiler/CompileEnvironment.java  | 6 ++++--
 compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java  | 4 +++-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/build.xml b/build.xml
index 952ccdd3dba..480951def0d 100644
--- a/build.xml
+++ b/build.xml
@@ -35,6 +35,7 @@
         <mkdir dir="${output}/classes/stdlib"/>
         <java classname="org.jetbrains.jet.cli.KotlinCompiler">
             <classpath refid="classpath.kotlin"/>
+            <arg value="-excludeStdlib"/>
             <arg value="-src"/>
             <arg value="${basedir}/stdlib/ktSrc"/>
             <arg value="-output"/>
diff --git a/compiler/backend/src/org/jetbrains/jet/compiler/CompileEnvironment.java b/compiler/backend/src/org/jetbrains/jet/compiler/CompileEnvironment.java
index 277273aa0ee..66c129f3ef9 100644
--- a/compiler/backend/src/org/jetbrains/jet/compiler/CompileEnvironment.java
+++ b/compiler/backend/src/org/jetbrains/jet/compiler/CompileEnvironment.java
@@ -337,10 +337,12 @@ public class CompileEnvironment {
         }
     }
 
-    public boolean compileBunchOfSources(String sourceFileOrDir, String jar, String outputDir, boolean includeRuntime) {
+    public boolean compileBunchOfSources(String sourceFileOrDir, String jar, String outputDir, boolean includeRuntime, boolean includeSources) {
         CompileSession session = new CompileSession(myEnvironment);
         session.addSources(sourceFileOrDir);
-        session.addStdLibSources(false);
+        if (includeSources) {
+            session.addStdLibSources(false);
+        }
 
         String mainClass = null;
         for (JetFile file : session.getSourceFileNamespaces()) {
diff --git a/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java b/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
index e752317b947..8daf27b6cf8 100644
--- a/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
+++ b/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
@@ -25,6 +25,8 @@ public class KotlinCompiler {
         public String module;
         @Argument(value = "includeRuntime", description = "include Kotlin runtime in to resulting jar")
         public boolean includeRuntime;
+        @Argument(value = "excludeStdlib", description = "do not load stdlib (to compile stdlib itself)")
+        public boolean excludeStdlib;
     }
 
     public static void main(String[] args) {
@@ -59,7 +61,7 @@ public class KotlinCompiler {
                 return;
             }
             else {
-                if (!environment.compileBunchOfSources(arguments.src, arguments.jar, arguments.outputDir, arguments.includeRuntime)) {
+                if (!environment.compileBunchOfSources(arguments.src, arguments.jar, arguments.outputDir, arguments.includeRuntime, !arguments.excludeStdlib)) {
                     System.exit(1);
                     return;
                 }