From 1394ba9f1a21cfea049434484a9b808adbf86732 Mon Sep 17 00:00:00 2001
From: Maxim Shafirov <max@jetbrains.com>
Date: Tue, 23 Jun 2009 17:22:27 +0400
Subject: [PATCH] mock filetype manager if no application allows running lexer
 suites.

---
 .../openapi/fileTypes/FileTypeManager.java         |  4 +-
 .../openapi/fileTypes/MockFileTypeManager.java     | 96 ++++++++++++++++++++++
 .../openapi/fileTypes/MockLanguageFileType.java    | 36 ++++++++
 source/com/intellij/lexer/JavaLexer.java           |  4 +
 4 files changed, 139 insertions(+), 1 deletion(-)
 create mode 100644 platform-api/src/com/intellij/openapi/fileTypes/MockFileTypeManager.java
 create mode 100644 platform-api/src/com/intellij/openapi/fileTypes/MockLanguageFileType.java

diff --git a/platform-api/src/com/intellij/openapi/fileTypes/FileTypeManager.java b/platform-api/src/com/intellij/openapi/fileTypes/FileTypeManager.java
index 497f7d738c..af1252df70 100644
--- a/platform-api/src/com/intellij/openapi/fileTypes/FileTypeManager.java
+++ b/platform-api/src/com/intellij/openapi/fileTypes/FileTypeManager.java
@@ -15,6 +15,7 @@
  */
 package com.intellij.openapi.fileTypes;
 
+import com.intellij.openapi.application.Application;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.application.CachedSingletonsRegistry;
 import com.intellij.openapi.vfs.VirtualFile;
@@ -38,7 +39,8 @@ public abstract class FileTypeManager{
    */
   public static FileTypeManager getInstance() {
     if (ourInstance == null) {
-      ourInstance = ApplicationManager.getApplication().getComponent(FileTypeManager.class);
+      Application app = ApplicationManager.getApplication();
+      ourInstance = app != null ? app.getComponent(FileTypeManager.class) : new MockFileTypeManager();
     }
     return ourInstance;
   }
diff --git a/platform-api/src/com/intellij/openapi/fileTypes/MockFileTypeManager.java b/platform-api/src/com/intellij/openapi/fileTypes/MockFileTypeManager.java
new file mode 100644
index 0000000000..a7fe57850c
--- /dev/null
+++ b/platform-api/src/com/intellij/openapi/fileTypes/MockFileTypeManager.java
@@ -0,0 +1,96 @@
+/*
+ * @author max
+ */
+package com.intellij.openapi.fileTypes;
+
+import com.intellij.openapi.vfs.VirtualFile;
+import org.jetbrains.annotations.NonNls;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Collections;
+import java.util.List;
+
+class MockFileTypeManager extends FileTypeManager {
+  @Override
+  public void registerFileType(@NotNull FileType type, @NotNull List<FileNameMatcher> defaultAssociations) {
+    throw new UnsupportedOperationException();
+  }
+
+  @NotNull
+  @Override
+  public FileType getFileTypeByFileName(@NotNull @NonNls String fileName) {
+    return MockLanguageFileType.INSTANCE;
+  }
+
+  @NotNull
+  @Override
+  public FileType getFileTypeByFile(@NotNull VirtualFile file) {
+    return MockLanguageFileType.INSTANCE;
+  }
+
+  @NotNull
+  @Override
+  public FileType getFileTypeByExtension(@NonNls @NotNull String extension) {
+    return MockLanguageFileType.INSTANCE;
+  }
+
+  @NotNull
+  @Override
+  public FileType[] getRegisteredFileTypes() {
+    return new FileType[] {MockLanguageFileType.INSTANCE};
+  }
+
+  @Override
+  public boolean isFileIgnored(@NonNls @NotNull String name) {
+    return false;
+  }
+
+  @NotNull
+  @Override
+  public String[] getAssociatedExtensions(@NotNull FileType type) {
+    return new String[0];
+  }
+
+  @NotNull
+  @Override
+  public List<FileNameMatcher> getAssociations(@NotNull FileType type) {
+    return Collections.emptyList();
+  }
+
+  @Override
+  public void addFileTypeListener(@NotNull FileTypeListener listener) {
+  }
+
+  @Override
+  public void removeFileTypeListener(@NotNull FileTypeListener listener) {
+  }
+
+  @Override
+  public FileType getKnownFileTypeOrAssociate(@NotNull VirtualFile file) {
+    return file.getFileType();
+  }
+
+  @NotNull
+  @Override
+  public String getIgnoredFilesList() {
+    return "";
+  }
+
+  @Override
+  public void setIgnoredFilesList(@NotNull String list) {
+  }
+
+  @Override
+  public void associate(@NotNull FileType type, @NotNull FileNameMatcher matcher) {
+  }
+
+  @Override
+  public void removeAssociation(@NotNull FileType type, @NotNull FileNameMatcher matcher) {
+  }
+
+  @NotNull
+  @Override
+  public FileType getStdFileType(@NotNull @NonNls String fileTypeName) {
+    return MockLanguageFileType.INSTANCE;
+  }
+}
diff --git a/platform-api/src/com/intellij/openapi/fileTypes/MockLanguageFileType.java b/platform-api/src/com/intellij/openapi/fileTypes/MockLanguageFileType.java
new file mode 100644
index 0000000000..15197abf60
--- /dev/null
+++ b/platform-api/src/com/intellij/openapi/fileTypes/MockLanguageFileType.java
@@ -0,0 +1,36 @@
+/*
+ * @author max
+ */
+package com.intellij.openapi.fileTypes;
+
+import com.intellij.lang.Language;
+import org.jetbrains.annotations.NotNull;
+
+import javax.swing.*;
+
+public class MockLanguageFileType extends LanguageFileType {
+  public static LanguageFileType INSTANCE = new MockLanguageFileType();
+
+  private MockLanguageFileType() {
+    super(Language.ANY);
+  }
+
+  @NotNull
+  public String getName() {
+    return "Mock";
+  }
+
+  @NotNull
+  public String getDescription() {
+    return "Mock";
+  }
+
+  @NotNull
+  public String getDefaultExtension() {
+    return ".mockExtensionThatProbablyWon'tEverExist";
+  }
+
+  public Icon getIcon() {
+    return null;
+  }
+}
diff --git a/source/com/intellij/lexer/JavaLexer.java b/source/com/intellij/lexer/JavaLexer.java
index 989e83a3c4..e2449da0ea 100644
--- a/source/com/intellij/lexer/JavaLexer.java
+++ b/source/com/intellij/lexer/JavaLexer.java
@@ -408,6 +408,7 @@ public class JavaLexer extends LexerBase {
     walk(root, stats);
 
     System.out.println("Scanned " + stats.files + " files, total of " + stats.lines + " lines in " + (stats.time / 1000000) + " ms.");
+    System.out.println("Size:" + stats.bytes);
     ProfilingUtil.captureCPUSnapshot();
 
   }
@@ -421,6 +422,8 @@ public class JavaLexer extends LexerBase {
       stats.lines++;
       buf.append(s).append("\n");
     }
+    
+    stats.bytes += buf.length();
 
     long start = System.nanoTime();
     lexText(buf);
@@ -439,6 +442,7 @@ public class JavaLexer extends LexerBase {
     public int files;
     public int lines;
     public long time;
+    public long bytes;
   }
 
   private static void walk(File root, Stats stats) throws IOException {
-- 
2.11.4.GIT