Java DocTrees.getSourcePositions方法代码示例

import com.sun.source.util.DocTrees; //导入方法依赖的package包/类
@Override
public DocTree visitIdentifier(com.sun.source.doctree.IdentifierTree node, Element p) {
    DocTrees trees = info.getDocTrees();
    Element el = trees.getElement(getCurrentPath());
    if (el != null && el.equals(toFind)) {
        DocSourcePositions sp = trees.getSourcePositions();
        CompilationUnitTree cut = info.getCompilationUnit();
        DocCommentTree docComment = getCurrentPath().getDocComment();
        long start = sp.getStartPosition(cut, docComment, node);
        long end = sp.getEndPosition(cut, docComment, node);
        if(start != Diagnostic.NOPOS && end != Diagnostic.NOPOS) {
            try {
                MutablePositionRegion region = createRegion(doc, (int)start, (int)end);
                usages.add(region);
            } catch (BadLocationException ex) {
                Exceptions.printStackTrace(ex);
            }
        }
    }
    return super.visitIdentifier(node, p);
}
 

import com.sun.source.util.DocTrees; //导入方法依赖的package包/类
public boolean run(DocletEnvironment root) {
    DocTrees trees = root.getDocTrees();

    SourcePositions sourcePositions = trees.getSourcePositions();
    for (TypeElement klass : ElementFilter.typesIn(root.getIncludedElements())) {
        for (ExecutableElement method : getMethods(klass)) {
            if (method.getSimpleName().toString().equals("tabbedMethod")) {
                TreePath path = trees.getPath(method);
                CompilationUnitTree cu = path.getCompilationUnit();
                long pos = sourcePositions.getStartPosition(cu, path.getLeaf());
                LineMap lineMap = cu.getLineMap();
                long columnNumber = lineMap.getColumnNumber(pos);
                if (columnNumber == 9) {
                    System.out.println(columnNumber + ": OK!");
                    return true;
                } else {
                    System.err.println(columnNumber + ": wrong tab expansion");
                    return false;
                }
            }
        }
    }
    return false;
}
 

import com.sun.source.util.DocTrees; //导入方法依赖的package包/类
public boolean run(DocletEnvironment root) {
    DocTrees trees = root.getDocTrees();

    SourcePositions sourcePositions = trees.getSourcePositions();
    for (TypeElement klass : root.getIncludedClasses()) {
        for (ExecutableElement method : getMethods(klass)) {
            if (method.getSimpleName().toString().equals("tabbedMethod")) {
                TreePath path = trees.getPath(method);
                CompilationUnitTree cu = path.getCompilationUnit();
                long pos = sourcePositions.getStartPosition(cu, path.getLeaf());
                LineMap lineMap = cu.getLineMap();
                long columnNumber = lineMap.getColumnNumber(pos);
                if (columnNumber == 9) {
                    System.out.println(columnNumber + ": OK!");
                    return true;
                } else {
                    System.err.println(columnNumber + ": wrong tab expansion");
                    return false;
                }
            }
        }
    }
    return false;
}
 

import com.sun.source.util.DocTrees; //导入方法依赖的package包/类
@Override
public DocTree visitText(TextTree node, Element p) {
    if(searchComment) {
        DocTrees trees = info.getDocTrees();
        DocSourcePositions sourcePositions = trees.getSourcePositions();
        DocTreePath currentDocPath = getCurrentPath();
        if(toFind.getKind() == ElementKind.PARAMETER) {
            VariableElement var = (VariableElement) toFind;
            Element method = trees.getElement(currentDocPath);
            if(!var.getEnclosingElement().equals(method)) {
                return super.visitText(node, p);
            }
        }
        String text = node.getBody();
        String name = toFind.getSimpleName().toString();
        if(text.contains(name)) {
            int start = (int) sourcePositions.getStartPosition(info.getCompilationUnit(), currentDocPath.getDocComment(), node);
            int length = name.length();
            int offset = -1;
            do {
                offset = text.indexOf(name, ++offset);
                if(offset != -1) {
                    try {
                        MutablePositionRegion region = createRegion(doc, start + offset, start + offset + length);
                        comments.add(region);
                    } catch(BadLocationException ex) {
                        Exceptions.printStackTrace(ex);
                    }
                }
            } while (offset != -1);
        }
    }
    return super.visitText(node, p);
}
 

import com.sun.source.util.DocTrees; //导入方法依赖的package包/类
private boolean resolveContext(CompilationInfo javac, JavadocContext jdctx) throws IOException {
    jdctx.doc = javac.getDocument();
    // find class context: class, method, ...
    DocTrees trees = javac.getDocTrees();
    TreePath javadocFor = JavadocCompletionUtils.findJavadoc(javac, this.caretOffset);
    if (javadocFor == null) {
        return false;
    }
    jdctx.javadocFor = javadocFor;
    DocCommentTree docCommentTree = trees.getDocCommentTree(javadocFor);
    if (docCommentTree == null) {
        return false;
    }
    jdctx.comment = docCommentTree;
    Element elm = trees.getElement(javadocFor);
    if (elm == null) {
        return false;
    }
    jdctx.handle = ElementHandle.create(elm);
    jdctx.commentFor = elm;
    jdctx.jdts = JavadocCompletionUtils.findJavadocTokenSequence(javac, this.caretOffset);
    if (jdctx.jdts == null) {
        return false;
    }
    jdctx.positions = (DocSourcePositions) trees.getSourcePositions();
    return jdctx.positions != null;
}
 

import com.sun.source.util.DocTrees; //导入方法依赖的package包/类
Checker(DocTrees trees) {
    this.trees = trees;
    srcPosns = trees.getSourcePositions();
}