diff options
Diffstat (limited to 'libhover/org.eclipse.linuxtools.cdt.libhover/src/org/eclipse/linuxtools/internal/cdt/libhover/LibHover.java')
| -rw-r--r-- | libhover/org.eclipse.linuxtools.cdt.libhover/src/org/eclipse/linuxtools/internal/cdt/libhover/LibHover.java | 223 |
1 files changed, 75 insertions, 148 deletions
diff --git a/libhover/org.eclipse.linuxtools.cdt.libhover/src/org/eclipse/linuxtools/internal/cdt/libhover/LibHover.java b/libhover/org.eclipse.linuxtools.cdt.libhover/src/org/eclipse/linuxtools/internal/cdt/libhover/LibHover.java index 5796463935..9585485768 100644 --- a/libhover/org.eclipse.linuxtools.cdt.libhover/src/org/eclipse/linuxtools/internal/cdt/libhover/LibHover.java +++ b/libhover/org.eclipse.linuxtools.cdt.libhover/src/org/eclipse/linuxtools/internal/cdt/libhover/LibHover.java @@ -30,17 +30,18 @@ import java.util.SortedMap; import java.util.Map.Entry; import org.eclipse.cdt.core.dom.ast.DOMException; -import org.eclipse.cdt.core.dom.ast.IASTDeclSpecifier; import org.eclipse.cdt.core.dom.ast.IASTName; -import org.eclipse.cdt.core.dom.ast.IASTNamedTypeSpecifier; -import org.eclipse.cdt.core.dom.ast.IASTNode; -import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration; import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit; import org.eclipse.cdt.core.dom.ast.IBinding; import org.eclipse.cdt.core.dom.ast.IType; -import org.eclipse.cdt.core.dom.ast.cpp.ICPPBinding; +import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType; import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction; import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionType; +import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument; +import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateDefinition; +import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateInstance; +import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter; +import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap; import org.eclipse.cdt.core.model.ILanguage; import org.eclipse.cdt.core.model.ITranslationUnit; import org.eclipse.cdt.ui.ICHelpBook; @@ -256,11 +257,6 @@ public class LibHover implements ICHelpProvider { IFunctionSummary f; f = null; - boolean isPTR = false; - boolean isREF = false; - int offset = -1; - int length = 0; - ITranslationUnit t = context.getTranslationUnit(); String className = null; @@ -271,128 +267,31 @@ public class LibHover implements ICHelpProvider { if (context instanceof IHoverHelpInvocationContext) { // We know the file offset of the member reference. IRegion region = (IRegion)((IHoverHelpInvocationContext)context).getHoverRegion(); - char[] contents = t.getCodeReader().buffer; - int i = region.getOffset(); - // Let's figure out if it is a pointer reference or a direct reference in which case we can - // find the variable and hence it's class. - if (i > 2 && contents[i-1] == '>' && contents[i-2] == '-') { - // Pointer reference - int j = i - 3; - int pointer = 0; - while (j > 0 && isCPPCharacter(contents[j])) { - pointer = j; - --j; - } - if (pointer != 0) { - offset = pointer; - length = region.getOffset() - pointer - 2; - isPTR = true; - // String pointerName = new String(contents, pointer, region.getOffset() - pointer - 2); - // System.out.println("pointer reference to " + pointerName); - } - } else if (i > 1 && contents[i-1] == '.') { - int j = i - 2; - int ref = 0; - while (j > 0 && isCPPCharacter(contents[j])) { - ref = j; - --j; - } - if (ref != 0) { - offset = ref; - length = region.getOffset() - ref - 1; - isREF = true; - // String refName = new String(contents, ref, region.getOffset() - ref - 1); - // System.out.println("regular reference to " + refName); - } - } - final IASTName[] result= {null}; - final int toffset = offset; - final int tlength = length; - - // If we have a pointer or reference variable, get its ASTName. - if (isPTR || isREF) { - EnclosingASTNameJob job = new EnclosingASTNameJob(t, toffset, tlength); - job.schedule(); - try { - job.join(); - } catch (InterruptedException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } - if (job.getResult() == Status.OK_STATUS) - result[0] = job.getASTName(); - } - - // If we get the ASTName for the variable, let's find its declaration which will give us its class. - final IASTName[][] decl = {null}; - if (result[0] != null) { - final IBinding binding = result[0].resolveBinding(); - ASTDeclarationFinderJob job = new ASTDeclarationFinderJob(t, binding); - job.schedule(); - try { - job.join(); - } catch (InterruptedException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } - if (job.getResult() == Status.OK_STATUS) { - decl[0] = job.getDeclarations(); - } - } - - // Look for a simple declaration. - IASTNode n = null; - if (decl[0] != null && decl[0].length > 0) { - n = decl[0][0]; - while (n != null && !(n instanceof IASTSimpleDeclaration)) { - n = n.getParent(); - } - } - - // If we have the simple declaration, get its declaration specifier which hopefully will - // be a named type. - if (n != null) { - IASTSimpleDeclaration d = (IASTSimpleDeclaration)n; - IASTDeclSpecifier s = d.getDeclSpecifier(); - if (s instanceof IASTNamedTypeSpecifier) { - // From the named type, we can get the binding of the type name and from that, - // its qualified name. We need a qualified name (i.e. with namespace) because our - // repository of classes and typedefs are hashed by fully qualified names. - IASTName astName = ((IASTNamedTypeSpecifier)s).getName(); - if (astName != null) { - IBinding nameBinding = astName.resolveBinding(); - if (nameBinding instanceof ICPPBinding) { - String[] qualified = ((ICPPBinding)nameBinding).getQualifiedName(); - className = qualified[0]; - for (int k = 1; k < qualified.length; ++k) - className += "::" + qualified[k]; - } else { - className = nameBinding.getName(); - } - } - } - } -// System.out.println("classname is " + className); // 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. - if (className != null) { - EnclosingASTNameJob job = new EnclosingASTNameJob(t, region.getOffset(), region.getLength()); - job.schedule(); - try { - job.join(); - } catch (InterruptedException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } - if (job.getResult() == Status.OK_STATUS) - result[0] = job.getASTName(); - } + final IASTName[] result= {null}; + EnclosingASTNameJob job = new EnclosingASTNameJob(t, region.getOffset(), region.getLength()); + job.schedule(); + try { + job.join(); + } catch (InterruptedException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + 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); + } } } } @@ -422,6 +321,56 @@ public class LibHover implements ICHelpProvider { return null; } + + // Get the class name for a type, including any instance template parameters + // e.g. std::basic_string<char> + private String getClassName(ICPPClassType c) { + String className = null; + try { + String[] qualified = c.getQualifiedName(); + className = qualified[0]; + for (int k = 1; k < qualified.length; ++k) { + className += "::" + qualified[k]; + } + + // Check if we have an instance of a template class. + if (c instanceof ICPPTemplateInstance) { + ICPPTemplateInstance ti = (ICPPTemplateInstance)c; + // Get a map which tells us the values of the template + // arguments (e.g. _CharT maps to char in the instance). + ICPPTemplateParameterMap tiMap = ti.getTemplateParameterMap(); + ICPPTemplateDefinition td = ti.getTemplateDefinition(); + ICPPTemplateParameter[] templateArgs = td.getTemplateParameters(); + className += "<"; + String separator = ""; + for (int x = 0; x < templateArgs.length; ++x) { + ICPPTemplateParameter tp = templateArgs[x]; + ICPPTemplateArgument ta = tiMap.getArgument(tp); + IType type = null; + // The template may have a type specified or a value. + // In the case of a value, figure out its type and use + // that when we do a lookup. + if (ta.isTypeValue()) + type = ta.getTypeValue(); + else + type = ta.getTypeOfNonTypeValue(); + if (tp.getTemplateNestingLevel() == 0) { + // if the parameter is a class type, use recursion to + // get its class name including template parameters + if (type instanceof ICPPClassType) + className += separator + getClassName((ICPPClassType)type); + else + className += separator + type.toString(); + separator = ","; + } + } + className += ">"; + } + } catch(DOMException e) { + return null; + } + return className; + } private IFunctionSummary getFunctionSummary(LibHoverLibrary l, String name) { FunctionInfo x = l.getFunctionInfo(name); @@ -483,8 +432,8 @@ public class LibHover implements ICHelpProvider { f.ReturnType = m.getReturnType(); f.Prototype = m.getPrototype(); f.Summary = m.getDescription(); - String actualClassName = className.substring(className.indexOf("::")+2); // $NON-NLS-1$ - f.Name = actualClassName + "::" + memberName; // $NON-NLS-1$ +// String actualClassName = className.substring(className.indexOf("::")+2); // $NON-NLS-1$ + f.Name = className + "::" + memberName; // $NON-NLS-1$ String[] templateParms = info.getTemplateParms(); for (int i = 0; i < templateTypes.size(); ++i) { f.ReturnType = f.ReturnType.replaceAll(templateParms[i], templateTypes.get(i)); @@ -569,28 +518,6 @@ public class LibHover implements ICHelpProvider { fList.add(f); } } - -// Document document = l != null ? l.getDocument() : null; -// if ((null != document) && (null != prefix)) { -// NodeList elems = document.getElementsByTagName("construct"); // $NON-NLS-1$ -// for (int i = 0; i < elems.getLength(); ++i) { -// Element elem = (Element)elems.item(i); -// NamedNodeMap attrs = elem.getAttributes(); -// Node id_node = attrs.item(0); -// String elemName = id_node.getNodeValue(); -// if (elemName != null && elemName.startsWith("function-")) { // $NON-NLS-1$ -// String funcName = elemName.substring(9); -// if (funcName != null && funcName.startsWith(prefix)) { -// NodeList functionNodes = elem.getElementsByTagName("function"); // $NON-NLS-1$ -// for (int j = 0; j < functionNodes.getLength(); ++j) { -// Node function_node = functionNodes.item(j); -// FunctionSummary f = getFunctionSummaryFromNode(funcName, function_node, document); -// fList.add(f); -// } -// } -// } -// } -// } } IFunctionSummary[] summaries = new IFunctionSummary[fList.size()]; for (int k = 0; k < summaries.length; k++) { |