From dd6cb26e5eeb11b359aca50dec44864506c755ea Mon Sep 17 00:00:00 2001
From: Eugene Zhuravlev <jeka@intellij.com>
Date: Thu, 13 Dec 2018 14:40:34 +0100
Subject: [PATCH] compilingTool to declare if "javac tree API" is supported

---
 .../jps/builders/impl/java/JavacCompilerTool.java         | 8 ++++++--
 .../jetbrains/jps/builders/java/JavaCompilingTool.java    | 4 ++++
 .../ast/AbstractRefCollectorCompilerToolExtension.java    | 4 ++--
 .../jps/builders/impl/java/EclipseCompilerTool.java       | 8 ++++++--
 4 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/jps/jps-builders-6/src/org/jetbrains/jps/builders/impl/java/JavacCompilerTool.java b/jps/jps-builders-6/src/org/jetbrains/jps/builders/impl/java/JavacCompilerTool.java
index 730eba9f9405..bf785a881277 100644
--- a/jps/jps-builders-6/src/org/jetbrains/jps/builders/impl/java/JavacCompilerTool.java
+++ b/jps/jps-builders-6/src/org/jetbrains/jps/builders/impl/java/JavacCompilerTool.java
@@ -21,8 +21,7 @@ import org.jetbrains.jps.builders.java.CannotCreateJavaCompilerException;
 import org.jetbrains.jps.builders.java.JavaCompilingTool;
 import org.jetbrains.jps.javac.JavacMain;
 
-import javax.tools.JavaCompiler;
-import javax.tools.ToolProvider;
+import javax.tools.*;
 import java.io.File;
 import java.io.PrintWriter;
 import java.io.StringWriter;
@@ -49,6 +48,11 @@ public class JavacCompilerTool extends JavaCompilingTool {
     return ALTERNATIVE_ID;
   }
 
+  @Override
+  public boolean isCompilerTreeAPISupported() {
+    return true;
+  }
+
   @NotNull
   @Override
   public String getDescription() {
diff --git a/jps/jps-builders-6/src/org/jetbrains/jps/builders/java/JavaCompilingTool.java b/jps/jps-builders-6/src/org/jetbrains/jps/builders/java/JavaCompilingTool.java
index a5d684bd7a8b..4a28dc8e3a42 100644
--- a/jps/jps-builders-6/src/org/jetbrains/jps/builders/java/JavaCompilingTool.java
+++ b/jps/jps-builders-6/src/org/jetbrains/jps/builders/java/JavaCompilingTool.java
@@ -36,6 +36,10 @@ public abstract class JavaCompilingTool {
     return null;
   }
 
+  public boolean isCompilerTreeAPISupported() {
+    return false;
+  }
+
   @NotNull
   public abstract String getDescription();
 
diff --git a/jps/jps-builders-6/src/org/jetbrains/jps/javac/ast/AbstractRefCollectorCompilerToolExtension.java b/jps/jps-builders-6/src/org/jetbrains/jps/javac/ast/AbstractRefCollectorCompilerToolExtension.java
index 8212528b0be4..279a683c9f78 100644
--- a/jps/jps-builders-6/src/org/jetbrains/jps/javac/ast/AbstractRefCollectorCompilerToolExtension.java
+++ b/jps/jps-builders-6/src/org/jetbrains/jps/javac/ast/AbstractRefCollectorCompilerToolExtension.java
@@ -22,7 +22,7 @@ import org.jetbrains.jps.javac.DiagnosticOutputConsumer;
 import org.jetbrains.jps.javac.JavaCompilerToolExtension;
 import org.jetbrains.jps.javac.ast.api.JavacFileData;
 
-import javax.tools.JavaCompiler;
+import javax.tools.*;
 import java.util.Collection;
 
 public abstract class AbstractRefCollectorCompilerToolExtension extends JavaCompilerToolExtension {
@@ -31,7 +31,7 @@ public abstract class AbstractRefCollectorCompilerToolExtension extends JavaComp
                                                @NotNull JavaCompiler.CompilationTask task,
                                                @NotNull Collection<String> options,
                                                @NotNull final DiagnosticOutputConsumer diagnosticConsumer) {
-    if (isEnabled()) {
+    if (compilingTool.isCompilerTreeAPISupported() && isEnabled()) {
       JavacReferenceCollector.installOn(task, divideImportsRefs(), new Consumer<JavacFileData>() {
         @Override
         public void consume(JavacFileData data) {
diff --git a/jps/jps-builders/src/org/jetbrains/jps/builders/impl/java/EclipseCompilerTool.java b/jps/jps-builders/src/org/jetbrains/jps/builders/impl/java/EclipseCompilerTool.java
index 3b6637b29c9e..eba6e615af15 100644
--- a/jps/jps-builders/src/org/jetbrains/jps/builders/impl/java/EclipseCompilerTool.java
+++ b/jps/jps-builders/src/org/jetbrains/jps/builders/impl/java/EclipseCompilerTool.java
@@ -24,9 +24,8 @@ import org.jetbrains.jps.builders.java.CannotCreateJavaCompilerException;
 import org.jetbrains.jps.builders.java.JavaCompilingTool;
 import org.jetbrains.jps.model.java.compiler.JavaCompilers;
 
-import javax.tools.JavaCompiler;
+import javax.tools.*;
 import java.io.File;
-import java.io.FilenameFilter;
 import java.util.Collections;
 import java.util.List;
 import java.util.ServiceLoader;
@@ -54,6 +53,11 @@ public class EclipseCompilerTool extends JavaCompilingTool {
     return JavaCompilers.ECLIPSE_EMBEDDED_ID;
   }
 
+  @Override
+  public boolean isCompilerTreeAPISupported() {
+    return false;
+  }
+
   @NotNull
   @Override
   public String getDescription() {