Examples with IErlElement org.erlide.engine.model.IErlElement used on opensource projects

Example 6 with IErlElement

use of org.erlide.engine.model.IErlElement in project erlide_eclipse by erlang.

the class IErlExportTest method hasFunction.

// public boolean hasFunction(final ErlangFunction f);
@Test
public void hasFunction() throws Exception {
    module.open(null);
    final List<IErlElement> childrenOfKind = module2.getChildrenOfKind(ErlElementKind.EXPORT);
    final IErlElement element = childrenOfKind.get(0);
    final IErlExport export = (IErlExport) element;
    assertTrue(export.hasFunction(functionA.getFunction()));
    assertTrue(export.hasFunction(functionB.getFunction()));
    assertFalse(export.hasFunction(functionC.getFunction()));
}

Example 7 with IErlElement

use of org.erlide.engine.model.IErlElement in project erlide_eclipse by erlang.

the class ErlangEditor method computeHighlightRangeSourceReference.

protected ISourceReference computeHighlightRangeSourceReference() {
    final ISourceViewer sourceViewer = getSourceViewer();
    if (sourceViewer == null) {
        return null;
    }
    final StyledText styledText = sourceViewer.getTextWidget();
    if (styledText == null) {
        return null;
    }
    int caret = 0;
    if (sourceViewer instanceof ITextViewerExtension5) {
        final ITextViewerExtension5 extension = (ITextViewerExtension5) sourceViewer;
        caret = extension.widgetOffset2ModelOffset(styledText.getCaretOffset());
    } else {
        final int offset = sourceViewer.getVisibleRegion().getOffset();
        caret = offset + styledText.getCaretOffset();
    }
    final IErlElement element = getElementAt(caret, false);
    if (!(element instanceof ISourceReference)) {
        return null;
    }
    return (ISourceReference) element;
}

Example 8 with IErlElement

use of org.erlide.engine.model.IErlElement in project erlide_eclipse by erlang.

the class AutoIndentStrategy method indentAfterNewLine.

protected void indentAfterNewLine(final IDocument d, final DocumentCommand c) throws BadLocationException {
    if (editor == null) {
        return;
    }
    final int offset = c.offset;
    String txt = null;
    editor.reconcileNow();
    final IErlElement element = editor.getElementAt(offset, false);
    final IErlMember member = (IErlMember) element;
    if (member != null) {
        final int start = member.getSourceRange().getOffset();
        if (offset >= start) {
            txt = d.get(start, offset - start);
        }
    }
    if (txt == null) {
        txt = "";
    }
    final int lineN = d.getLineOfOffset(offset);
    final int lineOffset = d.getLineOffset(lineN);
    final int lineLength = d.getLineLength(lineN);
    final String oldLine = d.get(offset, lineLength + lineOffset - offset);
    try {
        final int indentw = AutoIndentStrategy.getIndentWidthFromPreferences();
        final int tabw = EditorsUI.getPreferenceStore().getInt(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_TAB_WIDTH);
        final Map<String, String> prefs = new TreeMap<>();
        IndentationPreferencePage.addKeysAndPrefs(prefs);
        SmartTypingPreferencePage.addAutoNLKeysAndPrefs(prefs);
        final boolean useTabs = AutoIndentStrategy.getUseTabsFromPreferences();
        final IndentResult res = ErlangEngine.getInstance().getIndentService().indentLine(oldLine, txt, c.text, indentw, tabw, useTabs, prefs);
        if (res.isAddNewLine()) {
            c.text += "\n";
        }
        c.text += res.getText();
        c.length += res.getRemoveNext();
    } catch (final Exception e) {
        ErlLogger.warn(e);
    }
}

Example 9 with IErlElement

use of org.erlide.engine.model.IErlElement in project erlide_eclipse by erlang.

the class ErlangElementImageProvider method computeDescriptor.

private ImageDescriptor computeDescriptor(final Object element, final int flags) {
    if (element instanceof IErlElement) {
        return ErlangElementImageProvider.getErlImageDescriptor((IErlElement) element, flags);
    } else if (element instanceof IFile) {
        final IFile file = (IFile) element;
        if ("erl".equals(file.getFileExtension())) {
            // $NON-NLS-1$
            return getErlResourceImageDescriptor(file, flags);
        // image for a CU not on the build path
        }
        return getWorkbenchImageDescriptor(file, flags);
    } else if (element instanceof IFolder) {
        final IErlElementLocator model = ErlangEngine.getInstance().getModel();
        final IErlFolder ef = (IErlFolder) model.findElement((IResource) element);
        if (ef != null && (ef.isOnSourcePath() || ef.isOnIncludePath())) {
            return ErlangElementImageProvider.getErlImageDescriptor(ef, flags);
        }
    } else if (element instanceof IAdaptable) {
        return getWorkbenchImageDescriptor((IAdaptable) element, flags);
    }
    return null;
}

Example 10 with IErlElement

use of org.erlide.engine.model.IErlElement in project erlide_eclipse by erlang.

the class ErlangCompletionService method computeCompletions.

@Override
public List<CompletionData> computeCompletions(final IOtpRpc backend, IErlProject project0, IErlModule module0, String elementBefore0, final int offset, final String before0, final boolean inString) throws CoreException {
    // FIXME these should be passed on as parameters, where needed
    project = project0;
    module = module0;
    elementBefore = elementBefore0;
    String before = before0;
    final int commaPos = before.lastIndexOf(',');
    final int colonPos = before.lastIndexOf(':');
    final boolean doubleColon = colonPos >= 0 && before.charAt(colonPos - 1) == ':';
    final int hashMarkPos = before.lastIndexOf('#');
    final int dotPos = before.lastIndexOf('.');
    final int parenPos = before.lastIndexOf('(');
    final int leftBracketPos = before.lastIndexOf('{');
    final int interrogationMarkPos = before.lastIndexOf('?');
    final int arrowPos = before.lastIndexOf("->");
    final String prefix = getPrefix(before);
    List<String> fieldsSoFar = null;
    List<CompletionData> result;
    EnumSet<CompletionFlag> flags = EnumSet.noneOf(CompletionFlag.class);
    int pos;
    String moduleOrRecord = null;
    IErlElement element = getElementAt(offset);
    for (int i = 1; element == null && i <= 15; ++i) {
        element = getElementAt(offset - i);
    }
    RecordCompletion rc = null;
    if (hashMarkPos >= 0) {
        final IErlProject aproject = project;
        if (aproject != null) {
            rc = contextAssistService.checkRecordCompletion(backend, before);
        }
    }
    if (rc != null && rc.isNameWanted()) {
        flags = EnumSet.of(CompletionFlag.RECORD_DEFS);
        pos = hashMarkPos;
        before = rc.getPrefix();
    } else if (rc != null && rc.isFieldWanted()) {
        flags = EnumSet.of(CompletionFlag.RECORD_FIELDS);
        pos = hashMarkPos;
        if (dotPos > hashMarkPos) {
            pos = dotPos;
        } else if (leftBracketPos > hashMarkPos) {
            pos = leftBracketPos;
        } else {
            assert false;
        }
        before = rc.getPrefix();
        moduleOrRecord = rc.getName();
        fieldsSoFar = rc.getFields();
    } else if (colonPos > commaPos && colonPos > parenPos) {
        if (doubleColon) {
            flags = EnumSet.of(CompletionFlag.TYPES);
            pos = colonPos;
            before = before.substring(colonPos + 1);
        } else {
            moduleOrRecord = StringUtils.unquote(getPrefix(before.substring(0, colonPos)));
            flags = EnumSet.of(CompletionFlag.EXTERNAL_FUNCTIONS);
            pos = colonPos;
            before = before.substring(colonPos + 1);
        }
    } else if (interrogationMarkPos > hashMarkPos && interrogationMarkPos > commaPos && interrogationMarkPos > colonPos && interrogationMarkPos > arrowPos) {
        flags = EnumSet.of(CompletionFlag.MACRO_DEFS);
        pos = interrogationMarkPos;
        before = before.substring(interrogationMarkPos + 1);
    } else {
        pos = colonPos;
        before = prefix;
        if (element != null) {
            switch(element.getKind()) {
                case EXPORT:
                    flags = EnumSet.of(CompletionFlag.DECLARED_FUNCTIONS, CompletionFlag.ARITY_ONLY, CompletionFlag.UNEXPORTED_ONLY);
                    break;
                case IMPORT:
                    final IErlImport i = (IErlImport) element;
                    moduleOrRecord = i.getImportModule();
                    flags = EnumSet.of(CompletionFlag.EXTERNAL_FUNCTIONS, CompletionFlag.ARITY_ONLY);
                    break;
                case FUNCTION:
                case CLAUSE:
                    flags = EnumSet.of(CompletionFlag.MODULES);
                    if (module != null) {
                        flags.addAll(EnumSet.of(CompletionFlag.VARIABLES, CompletionFlag.DECLARED_FUNCTIONS, CompletionFlag.IMPORTED_FUNCTIONS, CompletionFlag.AUTO_IMPORTED_FUNCTIONS));
                    }
                    break;
                case ATTRIBUTE:
                    if ("include".equals(element.getName())) {
                        flags = EnumSet.of(CompletionFlag.INCLUDES);
                    } else if ("include_lib".equals(element.getName())) {
                        flags = EnumSet.of(CompletionFlag.INCLUDE_LIBS);
                    }
                    break;
                default:
                    break;
            }
        } else {
            if (doubleColon) {
                flags = EnumSet.of(CompletionFlag.TYPES);
            } else {
                flags = EnumSet.of(CompletionFlag.MODULES);
            }
        }
    }
    // TODO flags = filterFlags(flags);
    result = addCompletions(backend, flags, offset, before, moduleOrRecord, pos, fieldsSoFar, inString);
    return result;
}