Java源码示例：com.sun.tools.javac.tree.DCTree
示例1
@Override
public Void visitReference(ReferenceTree referenceTree, Void unused) {
DCReference reference = (DCReference) referenceTree;
long basePos =
reference.getSourcePosition((DCTree.DCDocComment) getCurrentPath().getDocComment());
// the position of trees inside the reference node aren't stored, but the qualifier's
// start position is the beginning of the reference node
if (reference.qualifierExpression != null) {
new ReferenceScanner(basePos).scan(reference.qualifierExpression, null);
}
// Record uses inside method parameters. The javadoc tool doesn't use these, but
// IntelliJ does.
if (reference.paramTypes != null) {
for (JCTree param : reference.paramTypes) {
// TODO(cushon): get start positions for the parameters
new ReferenceScanner(-1).scan(param, null);
}
}
return null;
}
示例2
public DCDocComment parse() {
String c = comment.getText();
buf = new char[c.length() + 1];
c.getChars(0, c.length(), buf, 0);
buf[buf.length - 1] = EOI;
buflen = buf.length - 1;
bp = -1;
nextChar();
List<DCTree> body = blockContent();
List<DCTree> tags = blockTags();
int pos = !body.isEmpty()
? body.head.pos
: !tags.isEmpty() ? tags.head.pos : Position.NOPOS;
DCDocComment dc = m.at(pos).newDocCommentTree(comment, body, tags);
return dc;
}
示例3
/**
* Read a single block tag, including its content.
* Standard tags parse their content appropriately.
* Non-standard tags are represented by {@link UnknownBlockTag}.
*/
protected DCTree blockTag() {
int p = bp;
try {
nextChar();
if (isIdentifierStart(ch)) {
Name name = readTagName();
TagParser tp = tagParsers.get(name);
if (tp == null) {
List<DCTree> content = blockContent();
return m.at(p).UnknownBlockTag(name, content);
} else {
switch (tp.getKind()) {
case BLOCK:
return tp.parse(p);
case INLINE:
return erroneous("dc.bad.inline.tag", p);
}
}
}
blockContent();
return erroneous("dc.no.tag.name", p);
} catch (ParseException e) {
blockContent();
return erroneous(e.getMessage(), p);
}
}
示例4
/**
* Read a single block tag, including its content.
* Standard tags parse their content appropriately.
* Non-standard tags are represented by {@link UnknownBlockTag}.
*/
protected DCTree blockTag() {
int p = bp;
try {
nextChar();
if (isIdentifierStart(ch)) {
Name name = readTagName();
TagParser tp = tagParsers.get(name);
if (tp == null) {
List<DCTree> content = blockContent();
return m.at(p).UnknownBlockTag(name, content);
} else {
switch (tp.getKind()) {
case BLOCK:
return tp.parse(p);
case INLINE:
return erroneous("dc.bad.inline.tag", p);
}
}
}
blockContent();
return erroneous("dc.no.tag.name", p);
} catch (ParseException e) {
blockContent();
return erroneous(e.getMessage(), p);
}
}
示例5
protected void inlineTag(ListBuffer<DCTree> list) {
newline = false;
nextChar();
if (ch == '@') {
addPendingText(list, bp - 2);
list.add(inlineTag());
textStart = bp;
lastNonWhite = -1;
} else {
if (textStart == -1)
textStart = bp - 1;
lastNonWhite = bp;
}
}
示例6
/**
* Read a single inline tag, including its content.
* Standard tags parse their content appropriately.
* Non-standard tags are represented by {@link UnknownBlockTag}.
* Malformed tags may be returned as {@link Erroneous}.
*/
protected DCTree inlineTag() {
int p = bp - 1;
try {
nextChar();
if (isIdentifierStart(ch)) {
Name name = readTagName();
skipWhitespace();
TagParser tp = tagParsers.get(name);
if (tp == null) {
DCTree text = inlineText();
if (text != null) {
nextChar();
return m.at(p).UnknownInlineTag(name, List.of(text)).setEndPos(bp);
}
} else if (tp.getKind() == TagParser.Kind.INLINE) {
DCEndPosTree<?> tree = (DCEndPosTree<?>) tp.parse(p);
if (tree != null) {
return tree.setEndPos(bp);
}
} else {
inlineText(); // skip content
nextChar();
}
}
return erroneous("dc.no.tag.name", p);
} catch (ParseException e) {
return erroneous(e.getMessage(), p);
}
}
示例7
protected void addPendingText(ListBuffer<DCTree> list, int textEnd) {
if (textStart != -1) {
if (textStart <= textEnd) {
list.add(m.at(textStart).Text(newString(textStart, textEnd + 1)));
}
textStart = -1;
}
}
示例8
protected void entity(ListBuffer<DCTree> list) {
newline = false;
addPendingText(list, bp - 1);
list.add(entity());
if (textStart == -1) {
textStart = bp;
lastNonWhite = -1;
}
}
示例9
protected void addPendingText(ListBuffer<DCTree> list, int textEnd) {
if (textStart != -1) {
if (textStart <= textEnd) {
list.add(m.at(textStart).newTextTree(newString(textStart, textEnd + 1)));
}
textStart = -1;
}
}
示例10
@Override
public Void visitAuthor(AuthorTree node, Void p) {
printTagName(node);
print(" ");
for (DocTree docTree : node.getName()) {
doAccept((DCTree)docTree);
}
return null;
}
示例11
/**
* Read a single inline tag, including its content.
* Standard tags parse their content appropriately.
* Non-standard tags are represented by {@link UnknownBlockTag}.
* Malformed tags may be returned as {@link Erroneous}.
*/
protected DCTree inlineTag() {
int p = bp - 1;
try {
nextChar();
if (isIdentifierStart(ch)) {
Name name = readTagName();
skipWhitespace();
TagParser tp = tagParsers.get(name);
if (tp == null) {
DCTree text = inlineText();
if (text != null) {
nextChar();
return m.at(p).UnknownInlineTag(name, List.of(text)).setEndPos(bp);
}
} else if (tp.getKind() == TagParser.Kind.INLINE) {
DCEndPosTree<?> tree = (DCEndPosTree<?>) tp.parse(p);
if (tree != null) {
return tree.setEndPos(bp);
}
} else {
inlineText(); // skip content
nextChar();
}
}
return erroneous("dc.no.tag.name", p);
} catch (ParseException e) {
return erroneous(e.getMessage(), p);
}
}
示例12
/**
* Read a single block tag, including its content.
* Standard tags parse their content appropriately.
* Non-standard tags are represented by {@link UnknownBlockTag}.
*/
protected DCTree blockTag() {
int p = bp;
try {
nextChar();
if (isIdentifierStart(ch)) {
Name name = readTagName();
TagParser tp = tagParsers.get(name);
if (tp == null) {
List<DCTree> content = blockContent();
return m.at(p).UnknownBlockTag(name, content);
} else {
switch (tp.getKind()) {
case BLOCK:
return tp.parse(p);
case INLINE:
return erroneous("dc.bad.inline.tag", p);
}
}
}
blockContent();
return erroneous("dc.no.tag.name", p);
} catch (ParseException e) {
blockContent();
return erroneous(e.getMessage(), p);
}
}
示例13
@Override
void check(TreePath path, Name name) throws Exception {
JavaFileObject fo = path.getCompilationUnit().getSourceFile();
final CharSequence cs = fo.getCharContent(true);
final DCDocComment dc = (DCDocComment) trees.getDocCommentTree(path);
DCTree t = (DCTree) trees.getDocCommentTree(path);
DocTreeScanner scanner = new DocTreeScanner<Void,Void>() {
@Override
public Void scan(DocTree node, Void ignore) {
if (node != null) {
try {
String expect = getExpectText(node);
long pos = ((DCTree) node).getSourcePosition(dc);
String found = getFoundText(cs, (int) pos, expect.length());
if (!found.equals(expect)) {
System.err.println("expect: " + expect);
System.err.println("found: " + found);
error("mismatch");
}
} catch (StringIndexOutOfBoundsException e) {
error(node.getClass() + ": " + e.toString());
e.printStackTrace();
}
}
return super.scan(node, ignore);
}
};
scanner.scan(t, null);
}
示例14
@Override
public Void visitValue(ValueTree node, Void p) {
print("{");
printTagName(node);
if (node.getReference() != null) {
print(" ");
print((DCTree)node.getReference());
}
print("}");
return null;
}
示例15
protected void inlineTag(ListBuffer<DCTree> list) {
newline = false;
nextChar();
if (ch == '@') {
addPendingText(list, bp - 2);
list.add(inlineTag());
textStart = bp;
lastNonWhite = -1;
} else {
if (textStart == -1)
textStart = bp - 1;
lastNonWhite = bp;
}
}
示例16
/**
* Read an HTML entity.
* {@literal &identifier; } or {@literal &#digits; } or {@literal &#xhex-digits; }
*/
protected DCTree entity() {
int p = bp;
nextChar();
Name name = null;
boolean checkSemi = false;
if (ch == '#') {
int namep = bp;
nextChar();
if (isDecimalDigit(ch)) {
nextChar();
while (isDecimalDigit(ch))
nextChar();
name = names.fromChars(buf, namep, bp - namep);
} else if (ch == 'x' || ch == 'X') {
nextChar();
if (isHexDigit(ch)) {
nextChar();
while (isHexDigit(ch))
nextChar();
name = names.fromChars(buf, namep, bp - namep);
}
}
} else if (isIdentifierStart(ch)) {
name = readIdentifier();
}
if (name == null)
return erroneous("dc.bad.entity", p);
else {
if (ch != ';')
return erroneous("dc.missing.semicolon", p);
nextChar();
return m.at(p).Entity(name);
}
}
示例17
protected boolean isSentenceBreak(DCTree t) {
switch (t.getKind()) {
case START_ELEMENT:
return isSentenceBreak(((DCStartElement) t).getName());
case END_ELEMENT:
return isSentenceBreak(((DCEndElement) t).getName());
}
return false;
}
示例18
@Override
public Void visitAttribute(AttributeTree node, Void p) {
print(node.getName());
String quote;
switch (node.getValueKind()) {
case EMPTY:
return null;
case UNQUOTED:
quote = "";
break;
case SINGLE:
quote = "'";
break;
case DOUBLE:
quote = "\"";
break;
default:
throw new AssertionError();
}
print("=");
print(quote);
for (DocTree docTree : node.getValue()) {
doAccept((DCTree)docTree);
}
print(quote);
return null;
}
示例19
protected void attrValueChar(ListBuffer<DCTree> list) {
switch (ch) {
case '&':
entity(list);
break;
case '{':
inlineTag(list);
break;
default:
nextChar();
}
}
示例20
protected void attrValueChar(ListBuffer<DCTree> list) {
switch (ch) {
case '&':
entity(list);
break;
case '{':
inlineTag(list);
break;
default:
nextChar();
}
}
示例21
private void printPrecedingComments(JCTree tree, boolean printWhitespace) {
if (!precedingCommentsHandled.add(tree)) {
return;
}
CommentSet commentSet = commentHandler.getComments(tree);
java.util.List<Comment> pc = commentSet.getComments(CommentSet.RelativePosition.PRECEDING);
DocCommentTree doc = tree2Doc.get(tree);
if (!pc.isEmpty()) {
Comment javadoc = null;
for (Comment comment : pc) {
if(comment.style() == Style.JAVADOC) {
javadoc = comment;
}
}
for (Comment c : pc) {
if(doc != null && c == javadoc) {
print((DCTree)doc);
doc = null;
} else {
printComment(c, true, printWhitespace);
}
}
}
if(doc!=null) {
print((DCTree)doc);
}
}
示例22
/**
* Read a series of block tags, including their content.
* Standard tags parse their content appropriately.
* Non-standard tags are represented by {@link UnknownBlockTag}.
*/
protected List<DCTree> blockTags() {
ListBuffer<DCTree> tags = new ListBuffer<DCTree>();
while (ch == '@')
tags.add(blockTag());
return tags.toList();
}
示例23
@Override
public Void visitHidden(HiddenTree node, Void p) {
printTagName(node);
if (!node.getBody().isEmpty()) {
print(" ");
for (DocTree docTree : node.getBody()) {
doAccept((DCTree)docTree);
}
}
return null;
}
示例24
/**
* Read a series of block tags, including their content.
* Standard tags parse their content appropriately.
* Non-standard tags are represented by {@link UnknownBlockTag}.
*/
protected List<DCTree> blockTags() {
ListBuffer<DCTree> tags = new ListBuffer<DCTree>();
while (ch == '@')
tags.add(blockTag());
return tags.toList();
}
示例25
/**
* Read a single block tag, including its content.
* Standard tags parse their content appropriately.
* Non-standard tags are represented by {@link UnknownBlockTag}.
*/
protected DCTree blockTag() {
int p = bp;
try {
nextChar();
if (isIdentifierStart(ch)) {
Name name = readTagName();
TagParser tp = tagParsers.get(name);
if (tp == null) {
List<DCTree> content = blockContent();
return m.at(p).UnknownBlockTag(name, content);
} else {
switch (tp.getKind()) {
case BLOCK:
return tp.parse(p);
case INLINE:
return erroneous("dc.bad.inline.tag", p);
}
}
}
blockContent();
return erroneous("dc.no.tag.name", p);
} catch (ParseException e) {
blockContent();
return erroneous(e.getMessage(), p);
}
}
示例26
protected void inlineTag(ListBuffer<DCTree> list) {
newline = false;
nextChar();
if (ch == '@') {
addPendingText(list, bp - 2);
list.add(inlineTag());
textStart = bp;
lastNonWhite = -1;
} else {
if (textStart == -1)
textStart = bp - 1;
lastNonWhite = bp;
}
}
示例27
@Override
public Void visitUnknownBlockTag(UnknownBlockTagTree node, Void p) {
print("@");
print(node.getTagName());
print(" ");
for (DocTree docTree : node.getContent()) {
doAccept((DCTree)docTree);
}
return null;
}
示例28
/**
* Read an HTML entity.
* {@literal &identifier; } or {@literal &#digits; } or {@literal &#xhex-digits; }
*/
protected DCTree entity() {
int p = bp;
nextChar();
Name name = null;
boolean checkSemi = false;
if (ch == '#') {
int namep = bp;
nextChar();
if (isDecimalDigit(ch)) {
nextChar();
while (isDecimalDigit(ch))
nextChar();
name = names.fromChars(buf, namep, bp - namep);
} else if (ch == 'x' || ch == 'X') {
nextChar();
if (isHexDigit(ch)) {
nextChar();
while (isHexDigit(ch))
nextChar();
name = names.fromChars(buf, namep, bp - namep);
}
}
} else if (isIdentifierStart(ch)) {
name = readIdentifier();
}
if (name == null)
return erroneous("dc.bad.entity", p);
else {
if (ch != ';')
return erroneous("dc.missing.semicolon", p);
nextChar();
return m.at(p).Entity(name);
}
}
示例29
@Override
void check(TreePath path, Name name) throws Exception {
JavaFileObject fo = path.getCompilationUnit().getSourceFile();
final CharSequence cs = fo.getCharContent(true);
final DCDocComment dc = (DCDocComment) trees.getDocCommentTree(path);
DCTree t = (DCTree) trees.getDocCommentTree(path);
DocTreeScanner scanner = new DocTreeScanner<Void,Void>() {
@Override
public Void scan(DocTree node, Void ignore) {
if (node != null) {
try {
String expect = getExpectText(node);
long pos = ((DCTree) node).getSourcePosition(dc);
String found = getFoundText(cs, (int) pos, expect.length());
if (!found.equals(expect)) {
System.err.println("expect: " + expect);
System.err.println("found: " + found);
error("mismatch");
}
} catch (StringIndexOutOfBoundsException e) {
error(node.getClass() + ": " + e.toString());
e.printStackTrace();
}
}
return super.scan(node, ignore);
}
};
scanner.scan(t, null);
}
示例30
/**
* Read an HTML entity.
* {@literal &identifier; } or {@literal &#digits; } or {@literal &#xhex-digits; }
*/
protected DCTree entity() {
int p = bp;
nextChar();
Name name = null;
boolean checkSemi = false;
if (ch == '#') {
int namep = bp;
nextChar();
if (isDecimalDigit(ch)) {
nextChar();
while (isDecimalDigit(ch))
nextChar();
name = names.fromChars(buf, namep, bp - namep);
} else if (ch == 'x' || ch == 'X') {
nextChar();
if (isHexDigit(ch)) {
nextChar();
while (isHexDigit(ch))
nextChar();
name = names.fromChars(buf, namep, bp - namep);
}
}
} else if (isIdentifierStart(ch)) {
name = readIdentifier();
}
if (name == null)
return erroneous("dc.bad.entity", p);
else {
if (ch != ';')
return erroneous("dc.missing.semicolon", p);
nextChar();
return m.at(p).Entity(name);
}
}
