From 4231583f663e653f8888a4f4b8230dd4961848d9 Mon Sep 17 00:00:00 2001
From: Andrey Breslav <andrey.breslav@jetbrains.com>
Date: Sat, 17 Mar 2012 23:05:23 +0400
Subject: [PATCH] Added a -version option to the compiler

---
 TeamCityBuild.xml                             | 59 ++++++++++++++-----
 .../jetbrains/jet/cli/CompilerArguments.java  |  3 +
 .../jetbrains/jet/cli/CompilerVersion.java    | 26 ++++++++
 .../org/jetbrains/jet/cli/KotlinCompiler.java |  6 ++
 .../jet/plugin/compiler/JetCompiler.java      |  2 +-
 5 files changed, 80 insertions(+), 16 deletions(-)
 create mode 100644 compiler/cli/src/org/jetbrains/jet/cli/CompilerVersion.java

diff --git a/TeamCityBuild.xml b/TeamCityBuild.xml
index d88800f56fd..a20f0e8ebb3 100644
--- a/TeamCityBuild.xml
+++ b/TeamCityBuild.xml
@@ -8,7 +8,11 @@
     <property name="artifact.output.path" value="${basedir}/out/artifacts"/>
     <property name="plugin.xml" value="idea/src/META-INF/plugin.xml"/>
     <property name="plugin.xml.bk" value="${plugin.xml}.bk"/>
-    <property name="plugin.xml.versioned" value="${plugin.xml}.versioned.bk" />
+    <property name="plugin.xml.versioned" value="${plugin.xml}.versioned" />
+
+    <property name="compiler.version.java" value="compiler/cli/src/org/jetbrains/jet/cli/CompilerVersion.java"/>
+    <property name="compiler.version.java.bk" value="${compiler.version.java}.bk"/>
+    <property name="compiler.version.java.versioned" value="${compiler.version.java}.versioned" />
 
     <property name="plugin.verifier" value="${basedir}/PluginVerifier/plugin-verifier-1.0-SNAPSHOT.jar"/>
     <property name="plugin.zip" value="${artifact.output.path}/kotlin-plugin-${build.number}.zip" />
@@ -42,36 +46,61 @@
         <delete dir="${artifact.output.path}" includes="*"/>
     </target>
 
-    <target name="writeVersionToPluginXml">
+    <macrodef name="substituteVersionInFile">
+      <attribute name="target.file"/>
+      <attribute name="test.string"/>
+      <attribute name="target.file.bk" default="@{target.file}.bk"/>
+      <attribute name="target.file.versioned" default="@{target.file}.versioned"/>
+      <attribute name="token.key" default="snapshot"/>
+      <attribute name="version" default="${build.number}"/>
+      <sequential>
         <!-- Create backup. Backup will be restored after build end. This will allow to rebuild project without renew
              plugin.xml from repository. -->
-        <copy file="${plugin.xml}" tofile="${plugin.xml.bk}" />
+        <copy file="@{target.file}" tofile="@{target.file}.bk"/>
 
         <!-- Check that version has correct pattern for substitution -->
         <copy todir="">
-            <fileset file="${plugin.xml.bk}">
-                <contains text="&lt;version&gt;@snapshot@&lt;/version&gt;"/>
+            <fileset file="@{target.file.bk}">
+                <contains text="@{test.string}"/>
             </fileset>
             <filterchain>
                 <replacetokens>
-                    <token key="snapshot" value="${build.number}"/>
+                    <token key="@{token.key}" value="@{version}"/>
                 </replacetokens>
             </filterchain>
-            <mergemapper to="${plugin.xml.versioned}"/>
+            <mergemapper to="@{target.file.versioned}"/>
         </copy>
 
         <!-- If file doesn't exist - there's a problem with original plugin.xml. Probably there's a bad pattern used for version -->
-        <copy file="${plugin.xml.versioned}" tofile="${plugin.xml}" overwrite="true"/>
+        <copy file="@{target.file.versioned}" tofile="@{target.file}" overwrite="true"/>
 
-        <delete file="${plugin.xml.versioned}" quiet="true"/>
+        <delete file="@{target.file.versioned}" quiet="true"/>
+      </sequential>
+    </macrodef>
+
+    <target name="writeVersionToTemplateFiles">
+      <substituteVersionInFile
+          target.file="${plugin.xml}"
+          target.file.bk="${plugin.xml.bk}"
+          target.file.versioned="${plugin.xml.versioned}"
+          test.string="&lt;version&gt;@snapshot@&lt;/version&gt;"/>
+
+      <substituteVersionInFile
+          target.file="${compiler.version.java}"
+          target.file.bk="${compiler.version.java.bk}"
+          target.file.versioned="${compiler.version.java.versioned}"
+          test.string="public static final String VERSION = &quot;@snapshot@&quot;;"/>
     </target>
 
-    <target name="revertPluginXml">
-        <copy file="${plugin.xml.bk}" tofile="${plugin.xml}" overwrite="true"/>
-        <delete file="${plugin.xml.bk}" quiet="true"/>
-    </target>
+  <target name="revertTemplateFiles">
+      <copy file="${plugin.xml.bk}" tofile="${plugin.xml}" overwrite="true"/>
+      <delete file="${plugin.xml.bk}" quiet="true"/>
 
-    <target name="pre_build" depends="cleanupArtifacts, unzipDependencies, dist, writeVersionToPluginXml, generateInjectors">
+      <copy file="${compiler.version.java.bk}" tofile="${compiler.version.java}" overwrite="true"/>
+      <delete file="${compiler.version.java.bk}" quiet="true"/>
+  </target>
+
+    <target name="pre_build" depends="cleanupArtifacts, unzipDependencies, dist, writeVersionToTemplateFiles, generateInjectors">
     </target>
 
     <target name="zipArtifact">
@@ -96,7 +125,7 @@
         -->
     </target>
 
-    <target name="post_build" depends="zipArtifact, revertPluginXml, verifyPlugin"/>
+    <target name="post_build" depends="zipArtifact, revertTemplateFiles, verifyPlugin"/>
 
     <target name="none">
         <fail message="Either specify pre_build or post_build"/>
diff --git a/compiler/cli/src/org/jetbrains/jet/cli/CompilerArguments.java b/compiler/cli/src/org/jetbrains/jet/cli/CompilerArguments.java
index 6aceae7ea6c..01aa2064306 100644
--- a/compiler/cli/src/org/jetbrains/jet/cli/CompilerArguments.java
+++ b/compiler/cli/src/org/jetbrains/jet/cli/CompilerArguments.java
@@ -59,6 +59,9 @@ public class CompilerArguments {
     @Argument(value = "verbose", description = "Enable verbose logging output")
     public boolean verbose;
 
+    @Argument(value = "version", description = "Display compiler version")
+    public boolean version;
+
 
     public String getClasspath() {
         return classpath;
diff --git a/compiler/cli/src/org/jetbrains/jet/cli/CompilerVersion.java b/compiler/cli/src/org/jetbrains/jet/cli/CompilerVersion.java
new file mode 100644
index 00000000000..674ba94041d
--- /dev/null
+++ b/compiler/cli/src/org/jetbrains/jet/cli/CompilerVersion.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.cli;
+
+/**
+ * @author abreslav
+ */
+public class CompilerVersion {
+    // The value of this constant is generated by the build script
+    // DON'T MODIFY IT
+    public static final String VERSION = "@snapshot@";
+}
diff --git a/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java b/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
index 39a0969cd9c..13856d47d4a 100644
--- a/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
+++ b/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
@@ -20,6 +20,7 @@ import com.sampullara.cli.Args;
 import org.jetbrains.jet.compiler.CompileEnvironment;
 import org.jetbrains.jet.compiler.CompileEnvironmentException;
 import org.jetbrains.jet.compiler.MessageRenderer;
+import org.jetbrains.jet.lang.diagnostics.Severity;
 
 import java.io.PrintStream;
 
@@ -91,6 +92,11 @@ public class KotlinCompiler {
         System.setProperty("java.awt.headless", "true");
 
         MessageRenderer messageRenderer = arguments.tags ? MessageRenderer.TAGS : MessageRenderer.PLAIN;
+
+        if (arguments.version) {
+            errStream.println(messageRenderer.render(Severity.INFO, "Kotlin Compiler version " + CompilerVersion.VERSION, null, -1, -1));
+        }
+
         CompileEnvironment environment = new CompileEnvironment(messageRenderer, arguments.verbose);
         try {
             configureEnvironment(environment, arguments, errStream);
diff --git a/idea/src/org/jetbrains/jet/plugin/compiler/JetCompiler.java b/idea/src/org/jetbrains/jet/plugin/compiler/JetCompiler.java
index 5c036dcb1a5..725053e9bb0 100644
--- a/idea/src/org/jetbrains/jet/plugin/compiler/JetCompiler.java
+++ b/idea/src/org/jetbrains/jet/plugin/compiler/JetCompiler.java
@@ -268,7 +268,7 @@ public class JetCompiler implements TranslatingCompiler {
             Class<?> kompiler = Class.forName(compilerClassName, true, loader);
             Method exec = kompiler.getDeclaredMethod("exec", PrintStream.class, String[].class);
 
-            String[] arguments = { "-module", scriptFile.getAbsolutePath(), "-output", path(outputDir), "-tags", "-verbose" };
+            String[] arguments = { "-module", scriptFile.getAbsolutePath(), "-output", path(outputDir), "-tags", "-verbose", "-version" };
 
             context.addMessage(INFORMATION, "Using kotlinHome=" + kotlinHome, "", -1, -1);
             context.addMessage(INFORMATION, "Invoking in-process compiler " + compilerClassName + " with arguments " + Arrays.asList(arguments), "", -1, -1);