Examples with IASTName org.eclipse.cdt.core.dom.ast.IASTName used on opensource projects

Example 1 with IASTName

use of org.eclipse.cdt.core.dom.ast.IASTName in project linuxtools by eclipse.

the class LibHover method getFunctionInfo.

@Override
public IFunctionSummary getFunctionInfo(ICHelpInvocationContext context, ICHelpBook[] helpBooks, String name) {
    IFunctionSummary f;
    f = null;
    ITranslationUnit t = context.getTranslationUnit();
    String className = null;
    ICPPFunctionType methodType = null;
    if (t.isCXXLanguage()) {
        try {
            if (context instanceof IHoverHelpInvocationContext) {
                // We know the file offset of the member reference.
                IRegion region = ((IHoverHelpInvocationContext) context).getHoverRegion();
                // Now, let's find the declaration of the method.  We need to do this because we want the specific
                // member prototype to go searching for.  There could be many members called "x" which have different
                // documentation.
                final IASTName[] result = { null };
                EnclosingASTNameJob job = new EnclosingASTNameJob(t, region.getOffset(), region.getLength());
                job.schedule();
                try {
                    job.join();
                } catch (InterruptedException e) {
                    // just return
                    return null;
                }
                if (job.getResult() == Status.OK_STATUS) {
                    result[0] = job.getASTName();
                }
                if (result[0] != null) {
                    final IBinding binding = result[0].getBinding();
                    // Check to see we have a member function.
                    if (binding instanceof ICPPFunction) {
                        methodType = ((ICPPFunction) binding).getType();
                        // We have a member function, find the class name.
                        IBinding owner = ((ICPPFunction) binding).getOwner();
                        if (owner instanceof ICPPClassType) {
                            className = getClassName((ICPPClassType) owner);
                        }
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }
    // Loop through all the documents we have and report first match.
    for (int i = 0; i < helpBooks.length; ++i) {
        LibHoverLibrary l = libraries.get(helpBooks[i]);
        if (name != null) {
            if (className != null) {
                if (l.isCPP()) {
                    f = getMemberSummary(l, className, name, methodType);
                }
            } else {
                f = getFunctionSummary(l, name);
            }
            if (f != null) {
                return f;
            }
        }
    }
    return null;
}

Example 2 with IASTName

use of org.eclipse.cdt.core.dom.ast.IASTName in project linuxtools by eclipse.

the class LibHover method getMatchingFunctions.

@Override
public IFunctionSummary[] getMatchingFunctions(ICHelpInvocationContext context, ICHelpBook[] helpBooks, String prefix) {
    ArrayList<IFunctionSummary> fList = new ArrayList<>();
    ITranslationUnit t = context.getTranslationUnit();
    boolean qualifiedCPP = false;
    if (t.isCXXLanguage()) {
        try {
            if (context instanceof IContentAssistHelpInvocationContext) {
                // We know the file offset of the member reference.
                IASTCompletionNode node = ((IContentAssistHelpInvocationContext) context).getCompletionNode();
                IASTName[] names = node.getNames();
                for (IASTName name : names) {
                    if (name.isQualified()) {
                        qualifiedCPP = true;
                        break;
                    }
                }
            }
        } catch (IllegalArgumentException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    if (!qualifiedCPP) {
        for (int di = 0; di < helpBooks.length; ++di) {
            LibHoverLibrary l = libraries.get(helpBooks[di]);
            LibHoverInfo cppInfo = l.getHoverInfo();
            SortedMap<String, FunctionInfo> map = cppInfo.functions.tailMap(prefix);
            Set<Map.Entry<String, FunctionInfo>> c = map.entrySet();
            for (Iterator<Entry<String, FunctionInfo>> i = c.iterator(); i.hasNext(); ) {
                Map.Entry<String, FunctionInfo> e = i.next();
                FunctionInfo x = e.getValue();
                String name = x.getName();
                // never be offered as a choice for an empty prefix.
                if (name.startsWith(prefix) && !name.startsWith("0")) {
                    // $NON-NLS-1$
                    FunctionSummary f = new FunctionSummary();
                    f.ReturnType = x.getReturnType();
                    f.Prototype = x.getPrototype();
                    f.Summary = x.getDescription();
                    f.Name = x.getName();
                    ArrayList<String> headers = x.getHeaders();
                    for (int i1 = 0; i1 < headers.size(); ++i1) {
                        f.setIncludeName(headers.get(i1));
                    }
                    fList.add(f);
                }
            }
        }
    }
    IFunctionSummary[] summaries = new IFunctionSummary[fList.size()];
    for (int k = 0; k < summaries.length; k++) {
        summaries[k] = fList.get(k);
    }
    return summaries;
}