Example usage for org.eclipse.jdt.internal.core JavaElement JEM_COMPILATIONUNIT

List of usage examples for org.eclipse.jdt.internal.core JavaElement JEM_COMPILATIONUNIT

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core JavaElement JEM_COMPILATIONUNIT.

Prototype

char JEM_COMPILATIONUNIT

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Usage

From source file:org.eclipse.ajdt.core.AJMementoTokenizer.java

License:Open Source License

public String nextToken() {
    int start = this.index;
    StringBuffer buffer = null;//from   w ww .ja  v  a2s  .  co  m
    switch (this.memento[this.index++]) {
    case JavaElement.JEM_ESCAPE:
        buffer = new StringBuffer();
        buffer.append(this.memento[this.index]);
        start = ++this.index;
        break;
    case JavaElement.JEM_COUNT:
        return COUNT;
    case JavaElement.JEM_JAVAPROJECT:
        return JAVAPROJECT;
    case JavaElement.JEM_PACKAGEFRAGMENTROOT:
        return PACKAGEFRAGMENTROOT;
    case JavaElement.JEM_PACKAGEFRAGMENT:
        return PACKAGEFRAGMENT;
    case JavaElement.JEM_FIELD:
        return FIELD;
    case JavaElement.JEM_METHOD:
        return METHOD;
    case JavaElement.JEM_INITIALIZER:
        return INITIALIZER;
    case JavaElement.JEM_COMPILATIONUNIT:
        return COMPILATIONUNIT;
    case JavaElement.JEM_CLASSFILE:
        return CLASSFILE;
    case JavaElement.JEM_TYPE:
        return TYPE;
    case JavaElement.JEM_PACKAGEDECLARATION:
        return PACKAGEDECLARATION;
    case JavaElement.JEM_IMPORTDECLARATION:
        return IMPORTDECLARATION;
    case JavaElement.JEM_LOCALVARIABLE:
        return LOCALVARIABLE;
    case JavaElement.JEM_TYPE_PARAMETER:
        return TYPE_PARAMETER;
    case JavaElement.JEM_ANNOTATION:
        return ANNOTATION;
    // begin AspectJ change
    case AspectElement.JEM_ADVICE:
        return ADVICE;
    case AspectElement.JEM_ASPECT_TYPE:
        return ASPECT_TYPE;
    case AspectElement.JEM_CODEELEMENT:
        return CODEELEMENT;
    case AspectElement.JEM_ITD_METHOD:
        return ITD_METHOD;
    case AspectElement.JEM_ITD_FIELD:
        return ITD_FIELD;
    case AspectElement.JEM_DECLARE:
        return DECLARE;
    case AspectElement.JEM_POINTCUT:
        return POINTCUT;

    case AspectElement.JEM_ASPECT_CU:
        // only return here if JDT weaving is off
        // if JDT weaving is on, then a * here
        // means that we are in an on demand import declaration
        if (!AspectJPlugin.USING_CU_PROVIDER) {
            return ASPECT_CU;
        }
        // end AspectJ change
    }
    loop: while (this.index < this.length) {
        switch (this.memento[this.index]) {
        case JavaElement.JEM_ESCAPE:
            if (buffer == null)
                buffer = new StringBuffer();
            buffer.append(this.memento, start, this.index - start);
            start = ++this.index;
            break;
        case JavaElement.JEM_COUNT:
        case JavaElement.JEM_JAVAPROJECT:
        case JavaElement.JEM_PACKAGEFRAGMENTROOT:
        case JavaElement.JEM_PACKAGEFRAGMENT:
        case JavaElement.JEM_FIELD:
        case JavaElement.JEM_METHOD:
        case JavaElement.JEM_INITIALIZER:
        case JavaElement.JEM_COMPILATIONUNIT:
        case JavaElement.JEM_CLASSFILE:
        case JavaElement.JEM_TYPE:
        case JavaElement.JEM_PACKAGEDECLARATION:
        case JavaElement.JEM_IMPORTDECLARATION:
        case JavaElement.JEM_LOCALVARIABLE:
        case JavaElement.JEM_TYPE_PARAMETER:
        case JavaElement.JEM_ANNOTATION:
            // begin AspectJ change
        case AspectElement.JEM_ADVICE:
        case AspectElement.JEM_ASPECT_TYPE:
        case AspectElement.JEM_CODEELEMENT:
        case AspectElement.JEM_ITD_METHOD:
        case AspectElement.JEM_ITD_FIELD:
        case AspectElement.JEM_DECLARE:
        case AspectElement.JEM_POINTCUT:
            break loop;
        // end AspectJ change

        // begin AspectJ change
        case AspectElement.JEM_ASPECT_CU:
            // only break here if JDT weaving is off
            // if JDT weaving is on, then a * here
            // means that we are in an on demand import declaration
            if (!AspectJPlugin.USING_CU_PROVIDER) {
                break loop;
            }
            // end AspectJ change
        }
        this.index++;
    }
    if (buffer != null) {
        buffer.append(this.memento, start, this.index - start);
        return buffer.toString();
    }
    return new String(this.memento, start, this.index - start);
}

From source file:org.eclipse.ajdt.core.AspectJCore.java

License:Open Source License

public static IJavaElement create(String handleIdentifier, WorkingCopyOwner owner) {

    if (handleIdentifier == null) {
        return null;
    }//from w  ww  . ja v a2  s.c o  m
    Map aspectsInJavaFiles = new HashMap();

    boolean isCodeElement = false;
    String codeElementHandle = ""; //$NON-NLS-1$

    int codeElementDelimPos = indexOfIgnoringEscapes(handleIdentifier, AspectElement.JEM_CODEELEMENT);
    if (codeElementDelimPos != -1) {
        isCodeElement = true;
        codeElementHandle = handleIdentifier.substring(codeElementDelimPos + 1);
        handleIdentifier = handleIdentifier.substring(0, codeElementDelimPos);
    }

    AJMementoTokenizer memento = new AJMementoTokenizer(handleIdentifier);
    while (memento.hasMoreTokens()) {
        String token = memento.nextToken();
        if ((token.charAt(0) == AspectElement.JEM_ASPECT_CU)
                || (token.charAt(0) == JavaElement.JEM_COMPILATIONUNIT)
                || (token.charAt(0) == JavaElement.JEM_CLASSFILE)) {

            int index;
            if (token.charAt(0) == AspectElement.JEM_ASPECT_CU) {
                index = handleIdentifier.indexOf(AspectElement.JEM_ASPECT_CU);
            } else if (token.charAt(0) == JavaElement.JEM_COMPILATIONUNIT) {
                index = handleIdentifier.indexOf(JavaElement.JEM_COMPILATIONUNIT);
            } else { // JEM_CLASSFILE 
                index = handleIdentifier.indexOf(JavaElement.JEM_CLASSFILE);
            }

            if (index != -1) {
                IJavaElement je = JavaCore.create(handleIdentifier.substring(0, index));
                if (je instanceof PackageFragment) {
                    PackageFragment pf = (PackageFragment) je;
                    String cuName = handleIdentifier.substring(index + 1);
                    int ind1 = cuName.indexOf(JavaElement.JEM_TYPE);
                    if (ind1 != -1) {
                        cuName = cuName.substring(0, ind1);
                    }
                    int ind2 = cuName.indexOf(AspectElement.JEM_ASPECT_TYPE);
                    if (ind2 != -1) {
                        cuName = cuName.substring(0, ind2);
                    }
                    int ind3 = cuName.indexOf(AspectElement.JEM_ITD_METHOD);
                    if (ind3 != -1) {
                        cuName = cuName.substring(0, ind3);
                    }
                    ind3 = cuName.indexOf(AspectElement.JEM_ITD_FIELD);
                    if (ind3 != -1) {
                        cuName = cuName.substring(0, ind3);
                    }
                    int ind4 = cuName.indexOf(AspectElement.JEM_DECLARE);
                    if (ind4 != -1) {
                        cuName = cuName.substring(0, ind4);
                    }
                    int ind5 = cuName.indexOf(AspectElement.JEM_IMPORTDECLARATION);
                    if (ind5 != -1) {
                        cuName = cuName.substring(0, ind5);
                    }
                    int ind6 = cuName.indexOf(AspectElement.JEM_PACKAGEDECLARATION);
                    if (ind6 != -1) {
                        cuName = cuName.substring(0, ind6);
                    }
                    if (CoreUtils.ASPECTJ_SOURCE_ONLY_FILTER.accept(cuName)) {
                        // no need to use a cuprovider because we know this
                        // is an AJCompilationUnit
                        JavaElement cu = new AJCompilationUnit(pf, cuName, owner);
                        token = memento.nextToken();
                        if (!memento.hasMoreTokens()) {
                            return cu;
                        }
                        IJavaElement restEl = cu.getHandleFromMemento(memento.nextToken(), memento, owner);
                        if (restEl != null) {
                            if (isCodeElement) {
                                // there was an AJCodeElement at the end of
                                // the handle
                                IJavaElement codeEl = getCodeElement(codeElementHandle, (JavaElement) restEl);
                                if (codeEl != null) {
                                    return codeEl;
                                }
                            }
                            return restEl;
                        }
                    } else {
                        // Use the default working copy owner for Java elements
                        IJavaElement restEl = pf.getHandleFromMemento(token, memento,
                                DefaultWorkingCopyOwner.PRIMARY);
                        if (restEl != null) {
                            if (isCodeElement) {
                                // there was an AJCodeElement at the end of
                                // the handle
                                IJavaElement codeEl = getCodeElement(codeElementHandle, (JavaElement) restEl);
                                if (codeEl != null) {
                                    return codeEl;
                                }
                            }
                            return restEl;
                        } else if (ind2 != -1) { // An aspect in a .java file...
                            int index3 = handleIdentifier.indexOf(AspectElement.JEM_ASPECT_TYPE);
                            String aspectName = handleIdentifier.substring(index3 + 1);
                            boolean identifierIsAspect = true;
                            int ind7 = aspectName.indexOf(AspectElement.JEM_DECLARE);
                            if (ind7 != -1) {
                                aspectName = aspectName.substring(0, ind7);
                                identifierIsAspect = false;
                            }
                            int ind8 = aspectName.indexOf(AspectElement.JEM_ADVICE);
                            if (ind8 != -1) {
                                aspectName = aspectName.substring(0, ind8);
                                identifierIsAspect = false;
                            }
                            int ind9 = aspectName.indexOf(AspectElement.JEM_ITD_METHOD);
                            if (ind9 != -1) {
                                aspectName = aspectName.substring(0, ind9);
                                identifierIsAspect = false;
                            }
                            ind9 = aspectName.indexOf(AspectElement.JEM_ITD_FIELD);
                            if (ind9 != -1) {
                                aspectName = aspectName.substring(0, ind9);
                                identifierIsAspect = false;
                            }
                            int ind10 = aspectName.indexOf(AspectElement.JEM_ASPECT_TYPE);
                            if (ind10 != -1) {
                                aspectName = aspectName.substring(0, ind10);
                                identifierIsAspect = false;
                            }
                            int ind11 = aspectName.indexOf(AspectElement.JEM_TYPE);
                            if (ind11 != -1) {
                                aspectName = aspectName.substring(0, ind11);
                                identifierIsAspect = false;
                            }
                            int ind12 = aspectName.indexOf(AspectElement.JEM_FIELD);
                            if (ind12 != -1) {
                                aspectName = aspectName.substring(0, ind12);
                                identifierIsAspect = false;
                            }
                            int ind13 = aspectName.indexOf(AspectElement.JEM_METHOD);
                            if (ind13 != -1) {
                                aspectName = aspectName.substring(0, ind13);
                                identifierIsAspect = false;
                            }
                            int ind14 = aspectName.indexOf(AspectElement.JEM_POINTCUT);
                            if (ind14 != -1) {
                                aspectName = aspectName.substring(0, ind14);
                                identifierIsAspect = false;
                            }
                            IOpenable openable;
                            if (cuName.endsWith(".class")) {
                                openable = pf.getClassFile(cuName);
                            } else {
                                openable = pf.getCompilationUnit(cuName);
                            }
                            List l;
                            if (aspectsInJavaFiles.get(openable) instanceof List) {
                                l = (List) aspectsInJavaFiles.get(openable);
                            } else {
                                l = new ArrayList();
                                aspectsInJavaFiles.put(openable, l);
                            }
                            JavaElement aspectEl = null;
                            for (Iterator iter = l.iterator(); iter.hasNext();) {
                                AspectElement element = (AspectElement) iter.next();
                                if (element.getElementName().equals(aspectName)) {
                                    aspectEl = element;
                                }
                            }
                            if (aspectEl == null) {
                                if (openable instanceof ClassFile) {
                                    ClassFile cOpenable = (ClassFile) openable;
                                    aspectEl = new BinaryAspectElement((JavaElement) cOpenable, aspectName);
                                } else {
                                    aspectEl = new AspectElement((JavaElement) openable, aspectName);
                                }
                                l.add(aspectEl);
                            }
                            int afterAspectIndex = index3 + aspectName.length() + 1;

                            if (identifierIsAspect) {
                                return aspectEl;
                            } else {
                                memento.setIndexTo(afterAspectIndex);
                                return aspectEl.getHandleFromMemento(memento.nextToken(), memento, owner);
                            }
                        }
                    }
                }
            }
        }
    }
    // XXX can we get here???
    if (isCodeElement) {
        // an injar aspect with no parent
        return new AJInjarElement(codeElementHandle);
    }
    return JavaCore.create(handleIdentifier);
}

From source file:org.eclipse.ajdt.core.AspectJCore.java

License:Open Source License

/**
* Converts a handle signifying Java class to a handle signifying an
* aspect element./*from  w  ww .j  a v a2  s  .  c  om*/
* 
* This method is necessary because JavaCore does not create
* AspectElements when it is building structure using the {@link AspectsConvertingParser}
* 
* Note that this changes the top level class to being an aspect and keeps 
* all others the same.  This may not work in all situations (eg- an inner aspect)
* 
* @param classHandle
* @return converts the handle to using {@link AspectElement#JEM_ASPECT_CU} and 
* {@link AspectElement#JEM_ASPECT_TYPE}
*/
public static String convertToAspectHandle(String classHandle, IJavaElement elt) {
    String aspectHandle = classHandle.replaceFirst("\\" + Character.toString(JavaElement.JEM_TYPE),
            Character.toString(AspectElement.JEM_ASPECT_TYPE));

    if (CoreUtils.ASPECTJ_SOURCE_ONLY_FILTER.accept(elt.getResource().getName())) {
        aspectHandle = aspectHandle.replace(JavaElement.JEM_COMPILATIONUNIT, AspectElement.JEM_ASPECT_CU);
    }
    return aspectHandle;
}

From source file:org.eclipse.ajdt.core.AspectJCore.java

License:Open Source License

public static String convertToJavaCUHandle(String aspectHandle, IJavaElement elt) {
    String javaHandle = aspectHandle;
    if (elt != null) {
        IResource resource = elt.getResource();
        if (resource != null) {
            if (CoreUtils.ASPECTJ_SOURCE_ONLY_FILTER.accept(resource.getName())) {
                javaHandle = javaHandle.replaceFirst("\\" + AspectElement.JEM_ASPECT_CU,
                        Character.toString(JavaElement.JEM_COMPILATIONUNIT));
            }//from ww w.  j  a  v  a  2s  . c o  m
        }
    }
    return javaHandle;
}

From source file:org.eclipse.ajdt.core.javaelements.AJCompilationUnit.java

License:Open Source License

public String getHandleIdentifier() {
    if (AspectJPlugin.USING_CU_PROVIDER) {
        return super.getHandleIdentifier();
    }//from www  .  ja  v  a2s  .com

    // this horrid code only exists so that when we are not using the weaving service,
    // we don't get exceptions on refactoring
    String callerName = (new RuntimeException()).getStackTrace()[1].getClassName();
    final String deletionClass = "org.eclipse.jdt.internal.corext.refactoring.changes.DeleteSourceManipulationChange"; //$NON-NLS-1$
    // are we being called in the context of a delete operation?
    if (callerName.equals(deletionClass)) {
        AJCompilationUnitManager.INSTANCE.removeFileFromModel((IFile) getResource());
        // need to return a handle identifier that JDT can use (bug 74426)
        String handleIdentifier = JavaCore.create(ajFile).getHandleIdentifier();
        ajFile = null;
        return handleIdentifier;
    }

    // are we being called in the context of a move/DnD operation?
    final String moveClass = "org.eclipse.jdt.internal.corext.refactoring.changes.CompilationUnitReorgChange"; //$NON-NLS-1$
    if (callerName.equals(moveClass)) {
        // need to return a handle identifier that JDT can use (bug 121533)
        String modifiedHandle = super.getHandleIdentifier().replace(AspectElement.JEM_ASPECT_CU,
                JavaElement.JEM_COMPILATIONUNIT);
        return modifiedHandle;
    }
    return super.getHandleIdentifier();
}

From source file:org.eclipse.ajdt.core.model.AJProjectModelFacade.java

License:Open Source License

/**
 * @return a program element that corresponds to the given java element.
 *//*from  ww  w . ja  v a  2s  .  c o m*/
public IProgramElement javaElementToProgramElement(IJavaElement je) {
    if (!isInitialized) {
        return IHierarchy.NO_STRUCTURE;
    }
    String ajHandle = je.getHandleIdentifier();

    boolean isBinary = false;
    if (isBinaryHandle(ajHandle) || je.isReadOnly()) {
        ajHandle = convertToAspectJBinaryHandle(ajHandle, false);
        isBinary = true;
    } else if (isFromExternalProject(je)) {
        ajHandle = convertToAspectJBinaryHandle(ajHandle, true);
        isBinary = true;
    }

    // check to see if we need to replace { (compilation unit) with * (aj compilation unit)
    // if using cuprovider, then aj compilation units have {, but needs to change to *
    ICompilationUnit cu = null;
    if (je instanceof IMember) {
        cu = ((IMember) je).getCompilationUnit();
    } else if (je instanceof IPackageDeclaration) {
        IJavaElement parent = ((IPackageDeclaration) je).getParent();
        if (parent instanceof ICompilationUnit) {
            cu = (ICompilationUnit) parent;
        }
    } else if (je instanceof AJCodeElement) {
        cu = ((AJCodeElement) je).getCompilationUnit();
        // get the occurence count 
        int count = ((AJCodeElement) je).occurrenceCount;
        // need the first bang after the last close paren
        int lastParen = ajHandle.lastIndexOf(')');
        int firstBang = ajHandle.indexOf(JavaElement.JEM_COUNT, lastParen);
        if (firstBang > -1) {
            ajHandle = ajHandle.substring(0, firstBang);
            if (count > 1) {
                // there is more than one element
                // with this name
                ajHandle += "" + JavaElement.JEM_COUNT + count;
            }
        }

    } else if (je instanceof ILocalVariable) {
        IOpenable openable = ((ILocalVariable) je).getOpenable();
        cu = openable instanceof ICompilationUnit ? (ICompilationUnit) openable : null;
    } else if (je instanceof ImportDeclaration) {
        cu = ((ImportDeclaration) je).getCompilationUnit();
    } else if (je instanceof ImportContainer) {
        cu = ((ImportContainer) je).getCompilationUnit();
    } else if (je instanceof ICompilationUnit) {
        cu = (ICompilationUnit) je;
    }
    if (cu != null) {
        IResource resource = cu.getResource();
        if (resource != null && resource.exists()
                && CoreUtils.ASPECTJ_SOURCE_ONLY_FILTER.accept(resource.getName())) {
            ajHandle = ajHandle.replaceFirst("" + JavaElement.JEM_ESCAPE + JavaElement.JEM_COMPILATIONUNIT,
                    Character.toString(AspectElement.JEM_ASPECT_CU));
        }
    }

    IProgramElement ipe = structureModel.findElementForHandleOrCreate(ajHandle, false);
    if (ipe == null) {
        if (isBinary) {
            // might be an aspect in a class file.  JDT doesn't know it is an aspect
            // try looking for handle again, but use an Aspect token
            // problem will be if this is an aspect contained in a class or vice versa
            ajHandle = ajHandle.replace(JavaElement.JEM_TYPE, AspectElement.JEM_ASPECT_TYPE);
            ipe = structureModel.findElementForHandleOrCreate(ajHandle, false);
        }
        if (ipe == null) {
            // occurs when the handles are not working properly
            return IHierarchy.NO_STRUCTURE;
        }
    }
    return ipe;
}

From source file:org.eclipse.ajdt.core.model.AJProjectModelFacade.java

License:Open Source License

private String convertToAspectJBinaryHandle(String ajHandle, boolean isSourceFromDependingProject) {
    int packageIndex = ajHandle.indexOf(JavaElement.JEM_PACKAGEFRAGMENT);
    String newHandle = "" + JavaElement.JEM_JAVAPROJECT + project.getName()
            + JavaElement.JEM_PACKAGEFRAGMENTROOT + "binaries" + ajHandle.substring(packageIndex);

    if (isSourceFromDependingProject) {
        // also must convert from a source unit to a binary unit
        newHandle = newHandle.replace(".aj'", ".class'");
        if (AspectJPlugin.USING_CU_PROVIDER) {
            newHandle = newHandle.replace(JavaElement.JEM_COMPILATIONUNIT, JavaElement.JEM_CLASSFILE);
        } else {/*from w w  w.  j  a v  a  2s .  com*/
            newHandle = newHandle.replace(AspectElement.JEM_ASPECT_CU, JavaElement.JEM_CLASSFILE);
        }
    }

    return newHandle;
}

From source file:org.eclipse.ajdt.core.model.AJProjectModelFacade.java

License:Open Source License

public IJavaElement programElementToJavaElement(String ajHandle) {
    // check to see if this is a spurious handle. 
    // For ITDs, the aspectj compiler generates program elements before the
    // rest of the program is in place, and they therfore have no parent.
    // They should not exist and we can ignore them.
    if (ajHandle.length() == 0 || ajHandle.charAt(0) != JavaElement.JEM_JAVAPROJECT) {
        return ERROR_JAVA_ELEMENT;
    }//from   w w w.  j  a  v  a2 s  .c o  m

    String jHandle = ajHandle;

    // are we dealing with something inside of a classfile?
    // if so, then we have to handle it specially
    // because we want to convert this into a source reference if possible
    if (isBinaryAspectJHandle(jHandle)) {
        // Bug 274558 ADE HACK...fix aspect handles that are supposed to be binary, but are not.
        jHandle = jHandle.replace(AspectElement.JEM_ASPECT_CU, JavaElement.JEM_CLASSFILE);
        jHandle = jHandle.replace(".aj" + JEM_ASPECT_TYPE, ".class" + JEM_ASPECT_TYPE);
        return getElementFromClassFile(jHandle);
    }

    // if using cuprovider, then we don not use the '*' for Aspect compilation units,
    // it uses the '{' of Java Compilation Units
    if (AspectJPlugin.USING_CU_PROVIDER) {
        jHandle = jHandle.replaceFirst("" + JavaElement.JEM_ESCAPE + AspectElement.JEM_ASPECT_CU,
                Character.toString(JavaElement.JEM_COMPILATIONUNIT));
    }

    int codeEltIndex = jHandle.indexOf(AspectElement.JEM_CODEELEMENT);
    if (codeEltIndex != -1) {
        // because code elements are sub classes of local variables
        // must make the code element's handle look like a local
        // variable's handle
        int countIndex = jHandle.lastIndexOf(JavaElement.JEM_COUNT);
        int count = 0;
        if (countIndex > codeEltIndex) {
            try {
                count = Integer.parseInt(jHandle.substring(countIndex + 1));
                jHandle = jHandle.substring(0, countIndex);
            } catch (NumberFormatException e) {
                // if the count is not from the code element, but from one of its parents
                count = 0;
            }
        }
        jHandle += "!0!0!0!0!I!0!false";
        if (count > 1) {
            jHandle += "" + JavaElement.JEM_COUNT + count;
        }
    }

    // add escapes to various sundries
    jHandle = jHandle.replaceFirst("declare @", "declare \\\\@"); // declare declarations
    jHandle = jHandle.replaceFirst("\\.\\*", ".\\\\*"); // on demand imports
    jHandle = jHandle.replaceAll("\\*>", "\\\\*>"); // wild card type parameters

    IJavaElement je = AspectJCore.create(jHandle);
    if (je == null) {
        // occurs when the handles are not working properly
        return ERROR_JAVA_ELEMENT;
    }
    return je;
}

From source file:org.eclipse.jdt.internal.core.CompilationUnit.java

License:Open Source License

/**
 * @see JavaElement#getHandleMementoDelimiter()
 */
protected char getHandleMementoDelimiter() {
    return JavaElement.JEM_COMPILATIONUNIT;
}