From 34bb8dd348423c83d1872e4c9c3341a4669e65c2 Mon Sep 17 00:00:00 2001
From: Doug Schaefer <doug.schaefer@windriver.com>
Date: Thu, 3 Jun 2004 12:53:47 +0000
Subject: [PATCH] Added a speed test so that I can track the progress of the
 parser performance work.

---
 .../cdt/core/parser/tests/SpeedTest.java      | 125 ++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/SpeedTest.java

diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/SpeedTest.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/SpeedTest.java
new file mode 100644
index 00000000000..bdc0665cc11
--- /dev/null
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/SpeedTest.java
@@ -0,0 +1,125 @@
+/*
+ * Created on Jun 3, 2004
+ *
+ * TODO To change the template for this generated file go to
+ * Window - Preferences - Java - Code Style - Code Templates
+ */
+package org.eclipse.cdt.core.parser.tests;
+
+import java.io.Reader;
+import java.io.StringReader;
+import java.util.Collections;
+import java.util.Hashtable;
+import java.util.Map;
+
+import junit.framework.TestCase;
+
+import org.eclipse.cdt.core.parser.IParser;
+import org.eclipse.cdt.core.parser.IScanner;
+import org.eclipse.cdt.core.parser.IScannerInfo;
+import org.eclipse.cdt.core.parser.ParserFactory;
+import org.eclipse.cdt.core.parser.ParserLanguage;
+import org.eclipse.cdt.core.parser.ParserMode;
+import org.eclipse.cdt.core.parser.ScannerInfo;
+import org.eclipse.cdt.internal.core.parser.QuickParseCallback;
+
+/**
+ * @author Doug Schaefer
+ *
+ * TODO To change the template for this generated type comment go to
+ * Window - Preferences - Java - Code Style - Code Templates
+ */
+public class SpeedTest extends TestCase {
+
+	public void test() throws Exception {
+		String code =
+			"#include <windows.h>\n" +
+			"#include <stdio.h>\n" +
+			"#include <iostream>\n";
+		
+		Reader reader = new StringReader(code);
+		IScannerInfo info = mingwScannerInfo(false);
+		//IScannerInfo info = msvcScannerInfo(quick);
+		testParse(reader, "text", false, info, ParserLanguage.CPP);
+	}
+
+	/**
+	 * @param path
+	 * @param quick TODO
+	 */
+	protected void testParse(Reader reader, String path, boolean quick, IScannerInfo info, ParserLanguage lang) throws Exception {
+		ParserMode mode = quick ? ParserMode.QUICK_PARSE : ParserMode.COMPLETE_PARSE;
+		IScanner scanner = ParserFactory.createScanner(reader, path, info, mode, lang, CALLBACK, null, Collections.EMPTY_LIST ); 
+		IParser parser = ParserFactory.createParser( scanner, CALLBACK, mode, lang, null);
+		long startTime = System.currentTimeMillis();
+		long totalTime;
+		parser.parse();
+		totalTime = System.currentTimeMillis() - startTime;
+		System.out.println( "Resulting parse for " + path + " took " + totalTime + " millisecs"); //$NON-NLS-1$ //$NON-NLS-2$
+	}
+
+	private static final QuickParseCallback CALLBACK = new QuickParseCallback();
+
+	/**
+	 * @param quick
+	 * @return
+	 */
+	protected IScannerInfo msvcScannerInfo(boolean quick) {
+		if( quick )
+			return new ScannerInfo();
+		Map definitions = new Hashtable();
+		//definitions.put( "__GNUC__", "3" );  //$NON-NLS-1$ //$NON-NLS-2$
+
+		String [] includePaths = new String[] {
+			"C:\\Program Files\\Microsoft SDK\\Include",
+			"C:\\Program Files\\Microsoft Visual C++ Toolkit 2003\\include"
+		};
+		return new ScannerInfo( definitions, includePaths );
+	}
+
+	protected IScannerInfo mingwScannerInfo(boolean quick) {
+		if( quick )
+			return new ScannerInfo();
+		Map definitions = new Hashtable();
+		definitions.put("__GNUC__", "3");
+		definitions.put("__GNUC_MINOR__", "2");
+		definitions.put("__GNUC_PATCHLEVEL__", "3");
+		definitions.put("__GXX_ABI_VERSION", "102");
+		definitions.put("_WIN32", "");
+		definitions.put("__WIN32", "");
+		definitions.put("__WIN32__", "");
+		definitions.put("WIN32", "");
+		definitions.put("__MINGW32__", "");
+		definitions.put("__MSVCRT__", "");
+		definitions.put("WINNT", "");
+		definitions.put("_X86_", "1");
+		definitions.put("__WINNT", "");
+		definitions.put("_NO_INLINE__", "");
+		definitions.put("__STDC_HOSTED__", "1");
+		definitions.put("i386", "");
+		definitions.put("__i386", "");
+		definitions.put("__i386__", "");
+		definitions.put("__tune_i586__", "");
+		definitions.put("__tune_pentium__", "");
+		definitions.put("__stdcall", "__attribute__((__stdcall__))");
+		definitions.put("__cdecl", "__attribute__((__cdecl__))");
+		definitions.put("__fastcall", "__attribute__((__fastcall__))");
+		definitions.put("_stdcall", "__attribute__((__stdcall__))");
+		definitions.put("_cdecl", "__attribute__((__cdecl__))");
+		definitions.put("_fastcall", "__attribute__((__fastcall__))");
+		definitions.put("__declspec(x)", "__attribute__((x))");
+		definitions.put("__DEPRECATED", "");
+		definitions.put("__EXCEPTIONS", "");
+		
+		String [] includePaths = new String[] {
+			"c:/mingw/include/c++/3.2.3",
+			"c:/mingw/include/c++/3.2.3/mingw32",
+			"c:/mingw/include/c++/3.2.3/backward",
+			"c:/mingw/include",
+			"c:/mingw/lib/gcc-lib/mingw32/3.2.3/include"
+		};
+
+		return new ScannerInfo( definitions, includePaths );
+	}
+
+}