Examples with LineMapping org.eclipse.xtext.generator.trace.LineMappingProvider.LineMapping used on opensource projects

Example 1 with LineMapping

use of org.eclipse.xtext.generator.trace.LineMappingProvider.LineMapping in project xtext-core by eclipse.

the class LineMappingNormalizationTest method testNomalization.

@Test
public void testNomalization() {
    Set<LineMapping> mappings = newHashSet(new LineMapping(1, 1, 1, source), new LineMapping(2, 5, 5, source), new LineMapping(1, 6, 6, source), new LineMapping(3, 7, 8, source), new LineMapping(3, 8, 8, source));
    List<LineMapping> info = support.normalizeLineInfo(mappings);
    assertEquals(info.toString(), 4, info.size());
    assertEquals(1, info.get(0).sourceStartLine);
    assertEquals(1, info.get(0).targetStartLine);
    assertEquals(1, info.get(0).targetEndLine);
    assertEquals(2, info.get(1).sourceStartLine);
    assertEquals(5, info.get(1).targetStartLine);
    assertEquals(5, info.get(1).targetEndLine);
    assertEquals(1, info.get(2).sourceStartLine);
    assertEquals(6, info.get(2).targetStartLine);
    assertEquals(6, info.get(2).targetEndLine);
    assertEquals(3, info.get(3).sourceStartLine);
    assertEquals(7, info.get(3).targetStartLine);
    assertEquals(8, info.get(3).targetEndLine);
}

Example 2 with LineMapping

use of org.eclipse.xtext.generator.trace.LineMappingProvider.LineMapping in project xtext-core by eclipse.

the class TraceAsPrimarySourceInstaller method getTargetToSourceLineMapping.

protected int[] getTargetToSourceLineMapping(AbstractTraceRegion rootTraceRegion) {
    List<LineMapping> lineInfo = lineMappingProvider.getLineMapping(rootTraceRegion);
    if (lineInfo == null)
        return null;
    int maxLineEnd = 0;
    for (LineMapping lineMapping : lineInfo) if (maxLineEnd < lineMapping.targetEndLine)
        maxLineEnd = lineMapping.targetEndLine;
    int[] target2source = new int[maxLineEnd + 2];
    Arrays.fill(target2source, -1);
    for (LineMapping lineMapping : lineInfo) for (int targetLine = lineMapping.targetStartLine + 1; targetLine <= lineMapping.targetEndLine + 1; targetLine++) {
        int startLine = lineMapping.sourceStartLine;
        if (target2source[targetLine] == -1 || startLine < target2source[targetLine])
            target2source[targetLine] = startLine;
    }
    return target2source;
}

Example 3 with LineMapping

use of org.eclipse.xtext.generator.trace.LineMappingProvider.LineMapping in project xtext-eclipse by eclipse.

the class JavaBreakPointProvider method getJavaLineNumber.

private int getJavaLineNumber(final IJavaStratumLineBreakpoint breakpoint) throws CoreException {
    ILocationInEclipseResource javaLocation = getJavaLocation(breakpoint);
    if (javaLocation == null)
        return -1;
    IStorage storage = javaLocation.getPlatformResource();
    if (storage == null) {
        ITextRegionWithLineInformation textRegion = javaLocation.getTextRegion();
        if (textRegion == null)
            return -1;
        return textRegion.getEndLineNumber();
    } else {
        AbstractEclipseTrace sourceTrace = (AbstractEclipseTrace) traceForStorageProvider.getTraceToSource(storage);
        if (sourceTrace == null)
            return -1;
        AbstractTraceRegion rootTraceRegion = sourceTrace.getRootTraceRegion();
        if (rootTraceRegion == null)
            return -1;
        List<LineMapping> lineMappings = lineMappingProvider.getLineMapping(rootTraceRegion);
        if (lineMappings == null) {
            return -1;
        }
        for (LineMapping lineMapping : lineMappings) {
            if (lineMapping.sourceStartLine == breakpoint.getLineNumber()) {
                return lineMapping.targetEndLine + 1;
            }
        }
        return -1;
    }
}