Examples with SourceSection com.oracle.truffle.api.source.SourceSection used on opensource projects

Example 1 with SourceSection

use of com.oracle.truffle.api.source.SourceSection in project graal by oracle.

the class DebugStackFrameTest method testSourceSections.

@Test
public void testSourceSections() {
    final Source source = testSource("ROOT(DEFINE(a,ROOT(\n" + "  STATEMENT())\n" + "),\n" + "DEFINE(b,ROOT(\n" + "  CALL(a))\n" + "), \n" + "CALL(b))\n");
    try (DebuggerSession session = startSession()) {
        session.suspendNextExecution();
        startEval(source);
        expectSuspended((SuspendedEvent event) -> {
            DebugStackFrame frame = event.getTopStackFrame();
            SourceSection ss = frame.getSourceSection();
            assertSection(ss, "STATEMENT()", 2, 3, 2, 13);
            SourceSection fss = getFunctionSourceSection(frame);
            assertSection(fss, "ROOT(\n  STATEMENT())\n", 1, 15, 2, 15);
            Iterator<DebugStackFrame> stackFrames = event.getStackFrames().iterator();
            // The top one
            assertEquals(frame, stackFrames.next());
            // b
            frame = stackFrames.next();
            ss = frame.getSourceSection();
            assertSection(ss, "CALL(a)", 5, 3, 5, 9);
            fss = getFunctionSourceSection(frame);
            assertSection(fss, "ROOT(\n  CALL(a))\n", 4, 10, 5, 11);
            // root
            frame = stackFrames.next();
            ss = frame.getSourceSection();
            assertSection(ss, "CALL(b)", 7, 1, 7, 7);
            fss = getFunctionSourceSection(frame);
            assertSection(fss, source.getCharacters().toString(), 1, 1, 7, 9);
            assertFalse(stackFrames.hasNext());
            event.prepareContinue();
        });
        expectDone();
    }
}

Example 2 with SourceSection

use of com.oracle.truffle.api.source.SourceSection in project graal by oracle.

the class SourceSectionTest method emptySourceSectionOnLongSource.

@Test
public void emptySourceSectionOnLongSource() {
    SourceSection section = longSource.createSection(longSource.getCharacters().length() - 1, 0);
    assertNotNull(section);
    assertEquals(longSource.getCharacters().length() - 1, section.getCharIndex());
    assertEquals(0, section.getCharLength(), 0);
    assertEquals(3, section.getStartLine());
    assertEquals(3, section.getEndLine());
    assertEquals(2, section.getStartColumn());
    assertEquals(2, section.getEndColumn());
    SourceSection other = longSource.createSection(longSource.getCharacters().length() - 1, 0);
    assertTrue(section.equals(other));
    assertEquals(other.hashCode(), section.hashCode());
}

Example 3 with SourceSection

use of com.oracle.truffle.api.source.SourceSection in project graal by oracle.

the class SourceSectionTest method emptySourceTest0.

@Test
public void emptySourceTest0() {
    SourceSection section = emptySource.createSection(0, 0);
    assertNotNull(section);
    assertEquals(section.getCharacters(), "");
}

Example 4 with SourceSection

use of com.oracle.truffle.api.source.SourceSection in project graal by oracle.

the class SourceSectionTest method onceObtainedAlwaysTheSame.

@Test
public void onceObtainedAlwaysTheSame() throws Exception {
    File sample = File.createTempFile("hello", ".txt");
    sample.deleteOnExit();
    try (FileWriter w = new FileWriter(sample)) {
        w.write("Hello world!");
    }
    Source complexHello = Source.newBuilder(sample).build();
    SourceSection helloTo = complexHello.createSection(6, 5);
    assertEquals("world", helloTo.getCharacters());
    try (FileWriter w = new FileWriter(sample)) {
        w.write("Hi world!");
    }
    Source simpleHi = Source.newBuilder(sample).build();
    SourceSection hiTo = simpleHi.createSection(3, 5);
    assertEquals("world", hiTo.getCharacters());
    assertEquals("Previously allocated sections remain the same", "world", helloTo.getCharacters());
    sample.delete();
}

Example 5 with SourceSection

use of com.oracle.truffle.api.source.SourceSection in project graal by oracle.

the class SuspendableLocationFinder method findSuspendableLocations.

static Iterable<SourceSection> findSuspendableLocations(SourceSection range, boolean restrictToSingleFunction, TruffleInstrument.Env env) {
    Source source = range.getSource();
    int startIndex = range.getCharIndex();
    int endIndex = range.getCharEndIndex();
    SectionsCollector sectionsCollector = collectSuspendableLocations(source, startIndex, endIndex, restrictToSingleFunction, env);
    List<SourceSection> sections = sectionsCollector.getSections();
    if (sections.isEmpty()) {
        SourceSectionFilter filter = SourceSectionFilter.newBuilder().sourceIs(source).indexIn(IndexRange.between(startIndex, endIndex)).build();
        ContainerNodeCollector nodeCollector = new ContainerNodeCollector(startIndex);
        EventBinding<ContainerNodeCollector> binding = env.getInstrumenter().attachLoadSourceSectionListener(filter, nodeCollector, true);
        binding.dispose();
        if (nodeCollector.getContainerNode() != null) {
            Node suspendableNode = nodeCollector.getContainerNode().findNearestNodeAt(startIndex, SUSPENDABLE_TAGS_SET);
            if (suspendableNode != null) {
                startIndex = Math.min(startIndex, suspendableNode.getSourceSection().getCharIndex());
                endIndex = Math.max(endIndex, suspendableNode.getSourceSection().getCharEndIndex());
                sectionsCollector = collectSuspendableLocations(source, startIndex, endIndex, restrictToSingleFunction, env);
                sections = sectionsCollector.getSections();
            }
        }
    }
    return sections;
}