Use reflection in Ant task to invoke compiler

This will allow a more controlled management of the runtime that the compiler
is linked against. Incidentally this also allows Ant task to use any of
compiler arguments via <compilerarg> because Ant task is now just a facade for
the CLI compiler.

The test "wrongArguments" is deleted because the full compiler usage is now
printed out on a wrong <compilerarg>, and this will become inconvenient to
update with each change in compiler arguments

 #KT-5618 Fixed

compiler/cli/src/org/jetbrains/jet/cli/common/CLICompiler.java

@@ -58,6 +58,12 @@ public abstract class CLICompiler<A extends CommonCompilerArguments> {
         return exec(errStream, services, MessageRenderer.TAGS, args);
     }
 
+    @SuppressWarnings("UnusedDeclaration") // Used via reflection in KotlinCompilerBaseTask
+    @NotNull
+    public ExitCode execFullPathsInMessages(@NotNull PrintStream errStream, @NotNull String[] args) {
+        return exec(errStream, Services.EMPTY, MessageRenderer.PLAIN, args);
+    }
+
     @Nullable
     private A parseArguments(@NotNull PrintStream errStream, @NotNull MessageRenderer messageRenderer, @NotNull String[] args) {
         try {

compiler/integration-tests/src/org/jetbrains/kotlin/AntTaskJvmTest.java

@@ -17,11 +17,13 @@
 package org.jetbrains.kotlin;
 
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.utils.UtilsPackage;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TestName;
 
 import java.io.File;
+import java.util.Arrays;
 
 public class AntTaskJvmTest extends AntTaskBaseTest {
     private static final String JVM_OUT_FILE = "hello.jar";
@@ -44,7 +46,11 @@ public class AntTaskJvmTest extends AntTaskBaseTest {
     }
 
     private static String getClassPathForAnt() {
-        return getCompilerLib() + File.separator + "kotlin-ant.jar" + File.pathSeparator + getKotlinRuntimePath();
+        return UtilsPackage.join(Arrays.asList(
+                getCompilerLib() + File.separator + "kotlin-ant.jar",
+                getCompilerLib() + File.separator + "kotlin-compiler.jar",
+                getKotlinRuntimePath()
+        ), File.pathSeparator);
     }
 
     private static String getIdeaSdkHome() {
@@ -61,11 +67,6 @@ public class AntTaskJvmTest extends AntTaskBaseTest {
         doJvmAntTest();
     }
 
-    @Test
-    public void wrongArguments() throws Exception {
-        doAntTest(FAILED);
-    }
-
     @Test
     public void jvmClasspath() throws Exception {
         doJvmAntTest();

compiler/integration-tests/testData/ant/jvm/wrongArguments/build.log.expected

@@ -1,13 +0,0 @@
-OUT:
-Buildfile: [TestData]/build.xml
-
-build:
-
-ERR:
-
-BUILD FAILED
-[TestData]/build.xml:5: Invalid argument: -option-never-to-be-supported
-
-Total time: [time]
-
-Return code: 1

compiler/integration-tests/testData/ant/jvm/wrongArguments/build.xml

@@ -1,9 +0,0 @@
-<project name="Ant Task Test" default="build">
-    <taskdef resource="org/jetbrains/jet/buildtools/ant/antlib.xml" classpath="${kotlin.lib}/kotlin-ant.jar"/>
-
-    <target name="build">
-        <kotlinc src="${test.data}/hello.kt" output="${temp}/hello.jar">
-            <compilerarg value="-option-never-to-be-supported"/>
-        </kotlinc>
-    </target>
-</project>

compiler/integration-tests/testData/ant/jvm/wrongArguments/hello.kt

@@ -1,4 +0,0 @@
-package hello
-
-fun main(args : Array<String>) {
-}