Examples with IErlFunctionClause org.erlide.engine.model.erlang.IErlFunctionClause used on opensource projects

Example 11 with IErlFunctionClause

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

the class ErlangEditor method setSelection.

public void setSelection(final ISourceReference reference, final boolean moveCursor) {
    if (getSelectionProvider() == null) {
        return;
    }
    final ISelection selection = getSelectionProvider().getSelection();
    if (selection instanceof TextSelection) {
        final TextSelection textSelection = (TextSelection) selection;
        if (moveCursor && (textSelection.getOffset() != 0 || textSelection.getLength() != 0)) {
            markInNavigationHistory();
        }
    }
    if (reference != null) {
        StyledText textWidget = null;
        final ISourceViewer sourceViewer = getSourceViewer();
        if (sourceViewer == null) {
            return;
        }
        textWidget = sourceViewer.getTextWidget();
        if (textWidget == null) {
            return;
        }
        try {
            ISourceRange range = null;
            range = reference.getSourceRange();
            if (range == null) {
                return;
            }
            int offset = range.getOffset();
            int length = range.getLength();
            if (offset < 0 || length < 0) {
                return;
            }
            setHighlightRange(offset, length, moveCursor);
            if (!moveCursor) {
                return;
            }
            offset = -1;
            length = -1;
            if (reference instanceof IErlMember) {
                range = ((IErlMember) reference).getNameRange();
                if (range != null) {
                    offset = range.getOffset();
                    length = range.getLength();
                }
            } else if (reference instanceof IErlAttribute) {
                range = ((IErlAttribute) reference).getNameRange();
                if (range != null) {
                    offset = range.getOffset();
                    length = range.getLength();
                }
            } else if (reference instanceof IErlFunctionClause) {
                range = ((IErlFunctionClause) reference).getNameRange();
                if (range != null) {
                    offset = range.getOffset();
                    length = range.getLength();
                }
            }
            if (offset > -1 && length > 0) {
                try {
                    textWidget.setRedraw(false);
                    sourceViewer.revealRange(offset, length);
                    sourceViewer.setSelectedRange(offset, length);
                } finally {
                    textWidget.setRedraw(true);
                }
                markInNavigationHistory();
            }
        } catch (final IllegalArgumentException x) {
        }
    } else if (moveCursor) {
        resetHighlightRange();
        markInNavigationHistory();
    }
}

Example 12 with IErlFunctionClause

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

the class CallHierarchyAction method run.

@Override
public void run() {
    if (module == null) {
        return;
    }
    final IErlElement el = editor.getElementAt(editor.getViewer().getSelectedRange().x, false);
    IErlFunction f = null;
    if (el instanceof IErlFunction) {
        f = (IErlFunction) el;
    } else if (el instanceof IErlFunctionClause) {
        f = (IErlFunction) el.getParent();
    }
    if (f == null) {
        return;
    }
    String name = module.getName();
    final int i = name.lastIndexOf('.');
    if (i > 0) {
        name = name.substring(0, i);
    }
    final FunctionRef ref = new FunctionRef(name, f.getFunctionName(), f.getArity());
    final IWorkbenchWindow dw = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
    final IWorkbenchPage page = dw.getActivePage();
    final AsyncCaller<CallHierarchyView> ac = new AsyncCaller<CallHierarchyView>(100) {

        @Override
        protected CallHierarchyView prepare() {
            try {
                final IViewPart p = page.showView("org.erlide.ui.callhierarchy");
                final CallHierarchyView cvh = p.getAdapter(CallHierarchyView.class);
                if (cvh == null) {
                    return null;
                }
                cvh.setMessage("<searching... project " + ErlangEngine.getInstance().getModelUtilService().getProject(module).getName() + ">");
                return cvh;
            } catch (final PartInitException e) {
                ErlLogger.error("could not open Call hierarchy view: ", e.getMessage());
                return null;
            }
        }

        @Override
        protected RpcFuture call() throws BackendException {
            final RpcFuture result = xrefService.addProject(ErlangEngine.getInstance().getModelUtilService().getProject(module));
            return result;
        }

        @Override
        protected void handleResult(final CallHierarchyView context, final RpcFuture result) {
            page.activate(context);
            try {
                context.setRoot(ErlangEngine.getInstance().getModel().findFunction(ref));
            } catch (final ErlModelException e) {
                ErlLogger.error(e);
            }
        }
    };
    ac.run();
}

Example 13 with IErlFunctionClause

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

the class ErlangLineBreakpoint method resetClauseHead.

protected void resetClauseHead(final int lineNumber, final IResource resource) {
    clauseHead = "";
    if (resource instanceof IFile) {
        final IFile file = (IFile) resource;
        final IErlModule m = ErlangEngine.getInstance().getModel().findModule(file);
        if (m != null) {
            try {
                m.open(null);
                final IErlElement e = m.getElementAtLine(lineNumber);
                if (e instanceof IErlFunctionClause) {
                    final IErlFunctionClause clause = (IErlFunctionClause) e;
                    clauseHead = clause.getName() + clause.getHead();
                }
            } catch (final ErlModelException e1) {
                ErlLogger.warn(e1);
            }
        }
    }
}