mirrors/cdt
1
0
Fork 0
mirror of https://github.com/eclipse-cdt/cdt synced 2025-04-29 19:45:01 +02:00
Code Issues Wiki Activity

Update speed test to do multiple parses in a pass.

Browse source
This commit is contained in:
Doug Schaefer 2004-06-07 19:34:15 +00:00
parent 5a66875392
commit 3d0734f6ca
1 changed files with 22 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/SpeedTest.java
View file

@ -10,11 +10,12 @@ import org.eclipse.cdt.core.parser.CodeReader;
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.ISourceElementRequestor;
import org.eclipse.cdt.core.parser.NullSourceElementRequestor;
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;
// A test that just calculates the speed of the parser
// Eventually, we'll peg a max time and fail the test if it exceeds it
@ -22,13 +23,17 @@ public class SpeedTest extends TestCase {
public static void main(String[] args) {
try {
new SpeedTest().test();
new SpeedTest().runTest(1);
} catch (Exception e) {
System.out.println(e);
}
}
public void test() throws Exception {
runTest(10);
}
private void runTest(int n) throws Exception {
String code =
"#include <windows.h>\n" +
"#include <stdio.h>\n" +
@ -36,15 +41,24 @@ public class SpeedTest extends TestCase {
CodeReader reader = new CodeReader(code.toCharArray());
IScannerInfo info = mingwScannerInfo(false);
//IScannerInfo info = msvcScannerInfo(quick);
testParse(reader, false, info, ParserLanguage.CPP);
//IScannerInfo info = msvcScannerInfo(false);
long totalTime = 0;
for (int i = 0; i < n; ++i) {
long time = testParse(reader, false, info, ParserLanguage.CPP);
if (i > 0)
totalTime += time;
}
if (n > 0) {
System.out.println("Average Time: " + (totalTime / (n - 1)) + " millisecs");
}
}
/**
* @param path
* @param quick TODO
*/
protected void testParse(CodeReader reader, boolean quick, IScannerInfo info, ParserLanguage lang) throws Exception {
protected long testParse(CodeReader reader, boolean quick, IScannerInfo info, ParserLanguage lang) throws Exception {
ParserMode mode = quick ? ParserMode.QUICK_PARSE : ParserMode.COMPLETE_PARSE;
IScanner scanner = ParserFactory.createScanner(reader, info, mode, lang, CALLBACK, null, Collections.EMPTY_LIST );
IParser parser = ParserFactory.createParser( scanner, CALLBACK, mode, lang, null);
@ -54,9 +68,10 @@ public class SpeedTest extends TestCase {
totalTime = System.currentTimeMillis() - startTime;
System.out.println( "Resulting parse took " + totalTime + " millisecs " +
scanner.getCount() + " tokens");
return totalTime;
}
private static final QuickParseCallback CALLBACK = new QuickParseCallback();
private static final ISourceElementRequestor CALLBACK = new NullSourceElementRequestor();
/**
* @param quick