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authorRoel Spilker <r.spilker@gmail.com>2014-04-30 22:14:08 +0200
committerRoel Spilker <r.spilker@gmail.com>2014-05-01 00:06:22 +0200
commit415fa0d8db53ef92420539ba44a134575e73d9d4 (patch)
tree8941315de8df77c4fefc75152d797b5e9e582e04 /src/delombok
parent2a449eee23bebb076c9166445495a679b65dd58f (diff)
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Changed whitespace
Diffstat (limited to 'src/delombok')
-rw-r--r--src/delombok/lombok/delombok/PrettyCommentsPrinter.java2882
1 files changed, 1443 insertions, 1439 deletions
diff --git a/src/delombok/lombok/delombok/PrettyCommentsPrinter.java b/src/delombok/lombok/delombok/PrettyCommentsPrinter.java
index 1657d2a1..0b0936d0 100644
--- a/src/delombok/lombok/delombok/PrettyCommentsPrinter.java
+++ b/src/delombok/lombok/delombok/PrettyCommentsPrinter.java
@@ -119,1307 +119,1307 @@ import com.sun.tools.javac.util.Position;
*/
@SuppressWarnings("all") // Mainly sun code that has other warning settings
public class PrettyCommentsPrinter extends JCTree.Visitor {
- private static final TreeTag PARENS = treeTag("PARENS");
- private static final TreeTag IMPORT = treeTag("IMPORT");
- private static final TreeTag VARDEF = treeTag("VARDEF");
- private static final TreeTag SELECT = treeTag("SELECT");
-
- private static final Map<TreeTag, String> OPERATORS;
-
- static {
- Map<TreeTag, String> map = new HashMap<TreeTag, String>();
-
- map.put(treeTag("POS"), "+");
- map.put(treeTag("NEG"), "-");
- map.put(treeTag("NOT"), "!");
- map.put(treeTag("COMPL"), "~");
- map.put(treeTag("PREINC"), "++");
- map.put(treeTag("PREDEC"), "--");
- map.put(treeTag("POSTINC"), "++");
- map.put(treeTag("POSTDEC"), "--");
- map.put(treeTag("NULLCHK"), "<*nullchk*>");
- map.put(treeTag("OR"), "||");
- map.put(treeTag("AND"), "&&");
- map.put(treeTag("EQ"), "==");
- map.put(treeTag("NE"), "!=");
- map.put(treeTag("LT"), "<");
- map.put(treeTag("GT"), ">");
- map.put(treeTag("LE"), "<=");
- map.put(treeTag("GE"), ">=");
- map.put(treeTag("BITOR"), "|");
- map.put(treeTag("BITXOR"), "^");
- map.put(treeTag("BITAND"), "&");
- map.put(treeTag("SL"), "<<");
- map.put(treeTag("SR"), ">>");
- map.put(treeTag("USR"), ">>>");
- map.put(treeTag("PLUS"), "+");
- map.put(treeTag("MINUS"), "-");
- map.put(treeTag("MUL"), "*");
- map.put(treeTag("DIV"), "/");
- map.put(treeTag("MOD"), "%");
-
- map.put(treeTag("BITOR_ASG"), "|=");
- map.put(treeTag("BITXOR_ASG"), "^=");
- map.put(treeTag("BITAND_ASG"), "&=");
- map.put(treeTag("SL_ASG"), "<<=");
- map.put(treeTag("SR_ASG"), ">>=");
- map.put(treeTag("USR_ASG"), ">>>=");
- map.put(treeTag("PLUS_ASG"), "+=");
- map.put(treeTag("MINUS_ASG"), "-=");
- map.put(treeTag("MUL_ASG"), "*=");
- map.put(treeTag("DIV_ASG"), "/=");
- map.put(treeTag("MOD_ASG"), "%=");
-
- OPERATORS = map;
- }
-
- private List<CommentInfo> comments;
- private final JCCompilationUnit cu;
- private boolean onNewLine = true;
- private boolean aligned = false;
- private boolean inParams = false;
-
- private boolean needsSpace = false;
- private boolean needsNewLine = false;
- private boolean needsAlign = false;
-
- // Flag for try-with-resources to make them not final and not print the last semicolon.
- // This flag is set just before printing the vardef and cleared when printing its modifiers.
- private boolean suppressFinalAndSemicolonsInTry = false;
-
- private final FormatPreferences formatPreferences;
-
- public PrettyCommentsPrinter(Writer out, JCCompilationUnit cu, List<CommentInfo> comments, FormatPreferences preferences) {
- this.out = out;
- this.comments = comments;
- this.cu = cu;
- this.formatPreferences = preferences;
- }
-
- private int endPos(JCTree tree) {
- return getEndPosition(tree, cu);
- }
-
- private void consumeComments(int until) throws IOException {
- consumeComments(until, null);
- }
-
- private void consumeComments(int until, JCTree tree) throws IOException {
- boolean prevNewLine = onNewLine;
- boolean found = false;
- CommentInfo head = comments.head;
- while (comments.nonEmpty() && head.pos < until) {
- printComment(head);
- comments = comments.tail;
- head = comments.head;
- }
- if (!onNewLine && prevNewLine) {
- println();
- }
- }
-
- private void consumeTrailingComments(int from) throws IOException {
- boolean prevNewLine = onNewLine;
- CommentInfo head = comments.head;
- boolean stop = false;
- while (comments.nonEmpty() && head.prevEndPos == from && !stop && !(head.start == StartConnection.ON_NEXT_LINE || head.start == StartConnection.START_OF_LINE)) {
- from = head.endPos;
- printComment(head);
- stop = (head.end == EndConnection.ON_NEXT_LINE);
- comments = comments.tail;
- head = comments.head;
- }
- if (!onNewLine && prevNewLine) {
- println();
- }
- }
-
- private void printComment(CommentInfo comment) throws IOException {
- prepareComment(comment.start);
- print(comment.content);
- switch (comment.end) {
- case ON_NEXT_LINE:
- if (!aligned) {
- needsNewLine = true;
- needsAlign = true;
- }
- break;
- case AFTER_COMMENT:
- needsSpace = true;
- break;
- case DIRECT_AFTER_COMMENT:
- // do nothing
- break;
- }
- }
-
- private void prepareComment(StartConnection start) throws IOException {
- switch (start) {
- case DIRECT_AFTER_PREVIOUS:
- needsSpace = false;
- break;
- case AFTER_PREVIOUS:
- needsSpace = true;
- break;
- case START_OF_LINE:
- needsNewLine = true;
- needsAlign = false;
- break;
- case ON_NEXT_LINE:
- if (!aligned) {
- needsNewLine = true;
- needsAlign = true;
- }
- break;
- }
- }
-
- /** The output stream on which trees are printed.
- */
- Writer out;
-
- /** The current left margin.
- */
- int lmargin = 0;
-
- /** The enclosing class name.
- */
- Name enclClassName;
-
- /** A hashtable mapping trees to their documentation comments
- * (can be null)
- */
- Map<JCTree, String> docComments = null;
- DocCommentTable docTable = null;
-
- String getJavadocFor(JCTree node) {
- if (docComments != null) return docComments.get(node);
- if (docTable != null) return docTable.getCommentText(node);
- return null;
- }
-
- /** Align code to be indented to left margin.
- */
- void align() throws IOException {
- onNewLine = false;
- aligned = true;
- needsAlign = false;
- for (int i = 0; i < lmargin; i++) out.write(formatPreferences.indent());
- }
-
- /** Increase left margin by indentation width.
- */
- void indent() {
- lmargin++;
- }
-
- /** Decrease left margin by indentation width.
- */
- void undent() {
- lmargin--;
- }
-
- /** Enter a new precedence level. Emit a `(' if new precedence level
- * is less than precedence level so far.
- * @param contextPrec The precedence level in force so far.
- * @param ownPrec The new precedence level.
- */
- void open(int contextPrec, int ownPrec) throws IOException {
- if (ownPrec < contextPrec) out.write("(");
- }
-
- /** Leave precedence level. Emit a `(' if inner precedence level
- * is less than precedence level we revert to.
- * @param contextPrec The precedence level we revert to.
- * @param ownPrec The inner precedence level.
- */
- void close(int contextPrec, int ownPrec) throws IOException {
- if (ownPrec < contextPrec) out.write(")");
- }
-
- /** Print string, replacing all non-ascii character with unicode escapes.
- */
- public void print(Object s) throws IOException {
- boolean align = needsAlign;
- if (needsNewLine && !onNewLine) {
- println();
- }
- if (align && !aligned) {
- align();
- }
- if (needsSpace && !onNewLine && !aligned) {
- out.write(' ');
- }
- needsSpace = false;
-
- out.write(Convert.escapeUnicode(s.toString()));
-
- onNewLine = false;
- aligned = false;
- }
-
- /** Print new line.
- */
- public void println() throws IOException {
- onNewLine = true;
- aligned = false;
- needsNewLine = false;
- out.write(lineSep);
- }
-
- String lineSep = System.getProperty("line.separator");
-
- /**************************************************************************
- * Traversal methods
- *************************************************************************/
-
- /** Exception to propagate IOException through visitXXX methods */
- private static class UncheckedIOException extends Error {
- static final long serialVersionUID = -4032692679158424751L;
- UncheckedIOException(IOException e) {
- super(e.getMessage(), e);
- }
- }
-
- /** Visitor argument: the current precedence level.
- */
- int prec;
-
- /** Visitor method: print expression tree.
- * @param prec The current precedence level.
- */
- public void printExpr(JCTree tree, int prec) throws IOException {
-
- int prevPrec = this.prec;
- try {
- this.prec = prec;
- if (tree == null) print("/*missing*/");
- else {
- consumeComments(tree.pos, tree);
- tree.accept(this);
- int endPos = endPos(tree);
+ private static final TreeTag PARENS = treeTag("PARENS");
+ private static final TreeTag IMPORT = treeTag("IMPORT");
+ private static final TreeTag VARDEF = treeTag("VARDEF");
+ private static final TreeTag SELECT = treeTag("SELECT");
+
+ private static final Map<TreeTag, String> OPERATORS;
+
+ static {
+ Map<TreeTag, String> map = new HashMap<TreeTag, String>();
+
+ map.put(treeTag("POS"), "+");
+ map.put(treeTag("NEG"), "-");
+ map.put(treeTag("NOT"), "!");
+ map.put(treeTag("COMPL"), "~");
+ map.put(treeTag("PREINC"), "++");
+ map.put(treeTag("PREDEC"), "--");
+ map.put(treeTag("POSTINC"), "++");
+ map.put(treeTag("POSTDEC"), "--");
+ map.put(treeTag("NULLCHK"), "<*nullchk*>");
+ map.put(treeTag("OR"), "||");
+ map.put(treeTag("AND"), "&&");
+ map.put(treeTag("EQ"), "==");
+ map.put(treeTag("NE"), "!=");
+ map.put(treeTag("LT"), "<");
+ map.put(treeTag("GT"), ">");
+ map.put(treeTag("LE"), "<=");
+ map.put(treeTag("GE"), ">=");
+ map.put(treeTag("BITOR"), "|");
+ map.put(treeTag("BITXOR"), "^");
+ map.put(treeTag("BITAND"), "&");
+ map.put(treeTag("SL"), "<<");
+ map.put(treeTag("SR"), ">>");
+ map.put(treeTag("USR"), ">>>");
+ map.put(treeTag("PLUS"), "+");
+ map.put(treeTag("MINUS"), "-");
+ map.put(treeTag("MUL"), "*");
+ map.put(treeTag("DIV"), "/");
+ map.put(treeTag("MOD"), "%");
+
+ map.put(treeTag("BITOR_ASG"), "|=");
+ map.put(treeTag("BITXOR_ASG"), "^=");
+ map.put(treeTag("BITAND_ASG"), "&=");
+ map.put(treeTag("SL_ASG"), "<<=");
+ map.put(treeTag("SR_ASG"), ">>=");
+ map.put(treeTag("USR_ASG"), ">>>=");
+ map.put(treeTag("PLUS_ASG"), "+=");
+ map.put(treeTag("MINUS_ASG"), "-=");
+ map.put(treeTag("MUL_ASG"), "*=");
+ map.put(treeTag("DIV_ASG"), "/=");
+ map.put(treeTag("MOD_ASG"), "%=");
+
+ OPERATORS = map;
+ }
+
+ private List<CommentInfo> comments;
+ private final JCCompilationUnit cu;
+ private boolean onNewLine = true;
+ private boolean aligned = false;
+ private boolean inParams = false;
+
+ private boolean needsSpace = false;
+ private boolean needsNewLine = false;
+ private boolean needsAlign = false;
+
+ // Flag for try-with-resources to make them not final and not print the last semicolon.
+ // This flag is set just before printing the vardef and cleared when printing its modifiers.
+ private boolean suppressFinalAndSemicolonsInTry = false;
+
+ private final FormatPreferences formatPreferences;
+
+ public PrettyCommentsPrinter(Writer out, JCCompilationUnit cu, List<CommentInfo> comments, FormatPreferences preferences) {
+ this.out = out;
+ this.comments = comments;
+ this.cu = cu;
+ this.formatPreferences = preferences;
+ }
+
+ private int endPos(JCTree tree) {
+ return getEndPosition(tree, cu);
+ }
+
+ private void consumeComments(int until) throws IOException {
+ consumeComments(until, null);
+ }
+
+ private void consumeComments(int until, JCTree tree) throws IOException {
+ boolean prevNewLine = onNewLine;
+ boolean found = false;
+ CommentInfo head = comments.head;
+ while (comments.nonEmpty() && head.pos < until) {
+ printComment(head);
+ comments = comments.tail;
+ head = comments.head;
+ }
+ if (!onNewLine && prevNewLine) {
+ println();
+ }
+ }
+
+ private void consumeTrailingComments(int from) throws IOException {
+ boolean prevNewLine = onNewLine;
+ CommentInfo head = comments.head;
+ boolean stop = false;
+ while (comments.nonEmpty() && head.prevEndPos == from && !stop && !(head.start == StartConnection.ON_NEXT_LINE || head.start == StartConnection.START_OF_LINE)) {
+ from = head.endPos;
+ printComment(head);
+ stop = (head.end == EndConnection.ON_NEXT_LINE);
+ comments = comments.tail;
+ head = comments.head;
+ }
+ if (!onNewLine && prevNewLine) {
+ println();
+ }
+ }
+
+ private void printComment(CommentInfo comment) throws IOException {
+ prepareComment(comment.start);
+ print(comment.content);
+ switch (comment.end) {
+ case ON_NEXT_LINE:
+ if (!aligned) {
+ needsNewLine = true;
+ needsAlign = true;
+ }
+ break;
+ case AFTER_COMMENT:
+ needsSpace = true;
+ break;
+ case DIRECT_AFTER_COMMENT:
+ // do nothing
+ break;
+ }
+ }
+
+ private void prepareComment(StartConnection start) throws IOException {
+ switch (start) {
+ case DIRECT_AFTER_PREVIOUS:
+ needsSpace = false;
+ break;
+ case AFTER_PREVIOUS:
+ needsSpace = true;
+ break;
+ case START_OF_LINE:
+ needsNewLine = true;
+ needsAlign = false;
+ break;
+ case ON_NEXT_LINE:
+ if (!aligned) {
+ needsNewLine = true;
+ needsAlign = true;
+ }
+ break;
+ }
+ }
+
+ /** The output stream on which trees are printed.
+ */
+ Writer out;
+
+ /** The current left margin.
+ */
+ int lmargin = 0;
+
+ /** The enclosing class name.
+ */
+ Name enclClassName;
+
+ /** A hashtable mapping trees to their documentation comments
+ * (can be null)
+ */
+ Map<JCTree, String> docComments = null;
+ DocCommentTable docTable = null;
+
+ String getJavadocFor(JCTree node) {
+ if (docComments != null) return docComments.get(node);
+ if (docTable != null) return docTable.getCommentText(node);
+ return null;
+ }
+
+ /** Align code to be indented to left margin.
+ */
+ void align() throws IOException {
+ onNewLine = false;
+ aligned = true;
+ needsAlign = false;
+ for (int i = 0; i < lmargin; i++) out.write(formatPreferences.indent());
+ }
+
+ /** Increase left margin by indentation width.
+ */
+ void indent() {
+ lmargin++;
+ }
+
+ /** Decrease left margin by indentation width.
+ */
+ void undent() {
+ lmargin--;
+ }
+
+ /** Enter a new precedence level. Emit a `(' if new precedence level
+ * is less than precedence level so far.
+ * @param contextPrec The precedence level in force so far.
+ * @param ownPrec The new precedence level.
+ */
+ void open(int contextPrec, int ownPrec) throws IOException {
+ if (ownPrec < contextPrec) out.write("(");
+ }
+
+ /** Leave precedence level. Emit a `(' if inner precedence level
+ * is less than precedence level we revert to.
+ * @param contextPrec The precedence level we revert to.
+ * @param ownPrec The inner precedence level.
+ */
+ void close(int contextPrec, int ownPrec) throws IOException {
+ if (ownPrec < contextPrec) out.write(")");
+ }
+
+ /** Print string, replacing all non-ascii character with unicode escapes.
+ */
+ public void print(Object s) throws IOException {
+ boolean align = needsAlign;
+ if (needsNewLine && !onNewLine) {
+ println();
+ }
+ if (align && !aligned) {
+ align();
+ }
+ if (needsSpace && !onNewLine && !aligned) {
+ out.write(' ');
+ }
+ needsSpace = false;
+
+ out.write(Convert.escapeUnicode(s.toString()));
+
+ onNewLine = false;
+ aligned = false;
+ }
+
+ /** Print new line.
+ */
+ public void println() throws IOException {
+ onNewLine = true;
+ aligned = false;
+ needsNewLine = false;
+ out.write(lineSep);
+ }
+
+ String lineSep = System.getProperty("line.separator");
+
+ /**************************************************************************
+ * Traversal methods
+ *************************************************************************/
+
+ /** Exception to propagate IOException through visitXXX methods */
+ private static class UncheckedIOException extends Error {
+ static final long serialVersionUID = -4032692679158424751L;
+ UncheckedIOException(IOException e) {
+ super(e.getMessage(), e);
+ }
+ }
+
+ /** Visitor argument: the current precedence level.
+ */
+ int prec;
+
+ /** Visitor method: print expression tree.
+ * @param prec The current precedence level.
+ */
+ public void printExpr(JCTree tree, int prec) throws IOException {
+
+ int prevPrec = this.prec;
+ try {
+ this.prec = prec;
+ if (tree == null) print("/*missing*/");
+ else {
+ consumeComments(tree.pos, tree);
+ tree.accept(this);
+ int endPos = endPos(tree);
consumeTrailingComments(endPos);
- }
- } catch (UncheckedIOException ex) {
- IOException e = new IOException(ex.getMessage());
- e.initCause(ex);
- throw e;
- } finally {
- this.prec = prevPrec;
- }
- }
-
- /** Derived visitor method: print expression tree at minimum precedence level
- * for expression.
- */
- public void printExpr(JCTree tree) throws IOException {
- printExpr(tree, TreeInfo.noPrec);
- }
-
- /** Derived visitor method: print statement tree.
- */
- public void printStat(JCTree tree) throws IOException {
- if (isEmptyStat(tree)) {
- // printEmptyStat(); // -- starting in java 7, these get lost, so to be consistent, we never print them.
- } else {
- printExpr(tree, TreeInfo.notExpression);
- }
- }
-
- public void printEmptyStat() throws IOException {
- print(";");
- }
-
- public boolean isEmptyStat(JCTree tree) {
- if (!(tree instanceof JCBlock)) return false;
- JCBlock block = (JCBlock) tree;
- return (Position.NOPOS == block.pos) && block.stats.isEmpty();
- }
-
- /** Derived visitor method: print list of expression trees, separated by given string.
- * @param sep the separator string
- */
- public <T extends JCTree> void printExprs(List<T> trees, String sep) throws IOException {
- if (trees.nonEmpty()) {
- printExpr(trees.head);
- for (List<T> l = trees.tail; l.nonEmpty(); l = l.tail) {
- print(sep);
- printExpr(l.head);
- }
- }
- }
-
- /** Derived visitor method: print list of expression trees, separated by commas.
- */
- public <T extends JCTree> void printExprs(List<T> trees) throws IOException {
- printExprs(trees, ", ");
- }
-
- /** Derived visitor method: print list of statements, each on a separate line.
- */
- public void printStats(List<? extends JCTree> trees) throws IOException {
- for (List<? extends JCTree> l = trees; l.nonEmpty(); l = l.tail) {
- if (isSuppressed(l.head)) continue;
- if (!suppressAlignmentForEmptyLines(l.head)) align();
- printStat(l.head);
- println();
- }
- }
-
- private boolean suppressAlignmentForEmptyLines(JCTree tree) {
- return !formatPreferences.fillEmpties() && startsWithNewLine(tree);
- }
-
- private boolean startsWithNewLine(JCTree tree) {
- return tree instanceof JCMethodDecl || tree instanceof JCClassDecl;
- }
-
- private boolean isSuppressed(JCTree tree) {
- if (isEmptyStat(tree)) {
- return true;
- }
- if (tree instanceof JCExpressionStatement) {
- return isNoArgsSuperCall(((JCExpressionStatement)tree).expr);
- }
- return false;
- }
-
- /** Print a set of modifiers.
- */
- public void printFlags(long flags) throws IOException {
- if ((flags & SYNTHETIC) != 0) print("/*synthetic*/ ");
- if (suppressFinalAndSemicolonsInTry) {
- flags = flags & ~FINAL;
- suppressFinalAndSemicolonsInTry = false;
- }
- print(TreeInfo.flagNames(flags));
- if ((flags & StandardFlags) != 0) print(" ");
- if ((flags & ANNOTATION) != 0) print("@");
- }
-
- public void printAnnotations(List<JCAnnotation> trees) throws IOException {
- for (List<JCAnnotation> l = trees; l.nonEmpty(); l = l.tail) {
- printStat(l.head);
- if (inParams) {
- print(" ");
- }
- else {
- println();
- align();
- }
- }
- }
-
- /** Print documentation comment, if it exists
- * @param tree The tree for which a documentation comment should be printed.
- */
- public void printDocComment(JCTree tree) throws IOException {
- String dc = getJavadocFor(tree);
- if (dc == null) return;
- print("/**"); println();
- int pos = 0;
- int endpos = lineEndPos(dc, pos);
- boolean atStart = true;
- while (pos < dc.length()) {
- String line = dc.substring(pos, endpos);
- if (line.trim().isEmpty() && atStart) {
- atStart = false;
- continue;
- }
- atStart = false;
- align();
- print(" *");
- if (pos < dc.length() && dc.charAt(pos) > ' ') print(" ");
- print(dc.substring(pos, endpos)); println();
- pos = endpos + 1;
- endpos = lineEndPos(dc, pos);
- }
- align(); print(" */"); println();
- align();
- }
+ }
+ } catch (UncheckedIOException ex) {
+ IOException e = new IOException(ex.getMessage());
+ e.initCause(ex);
+ throw e;
+ } finally {
+ this.prec = prevPrec;
+ }
+ }
+
+ /** Derived visitor method: print expression tree at minimum precedence level
+ * for expression.
+ */
+ public void printExpr(JCTree tree) throws IOException {
+ printExpr(tree, TreeInfo.noPrec);
+ }
+
+ /** Derived visitor method: print statement tree.
+ */
+ public void printStat(JCTree tree) throws IOException {
+ if (isEmptyStat(tree)) {
+ // printEmptyStat(); // -- starting in java 7, these get lost, so to be consistent, we never print them.
+ } else {
+ printExpr(tree, TreeInfo.notExpression);
+ }
+ }
+
+ public void printEmptyStat() throws IOException {
+ print(";");
+ }
+
+ public boolean isEmptyStat(JCTree tree) {
+ if (!(tree instanceof JCBlock)) return false;
+ JCBlock block = (JCBlock) tree;
+ return (Position.NOPOS == block.pos) && block.stats.isEmpty();
+ }
+
+ /** Derived visitor method: print list of expression trees, separated by given string.
+ * @param sep the separator string
+ */
+ public <T extends JCTree> void printExprs(List<T> trees, String sep) throws IOException {
+ if (trees.nonEmpty()) {
+ printExpr(trees.head);
+ for (List<T> l = trees.tail; l.nonEmpty(); l = l.tail) {
+ print(sep);
+ printExpr(l.head);
+ }
+ }
+ }
+
+ /** Derived visitor method: print list of expression trees, separated by commas.
+ */
+ public <T extends JCTree> void printExprs(List<T> trees) throws IOException {
+ printExprs(trees, ", ");
+ }
+
+ /** Derived visitor method: print list of statements, each on a separate line.
+ */
+ public void printStats(List<? extends JCTree> trees) throws IOException {
+ for (List<? extends JCTree> l = trees; l.nonEmpty(); l = l.tail) {
+ if (isSuppressed(l.head)) continue;
+ if (!suppressAlignmentForEmptyLines(l.head)) align();
+ printStat(l.head);
+ println();
+ }
+ }
+
+ private boolean suppressAlignmentForEmptyLines(JCTree tree) {
+ return !formatPreferences.fillEmpties() && startsWithNewLine(tree);
+ }
+
+ private boolean startsWithNewLine(JCTree tree) {
+ return tree instanceof JCMethodDecl || tree instanceof JCClassDecl;
+ }
+
+ private boolean isSuppressed(JCTree tree) {
+ if (isEmptyStat(tree)) {
+ return true;
+ }
+ if (tree instanceof JCExpressionStatement) {
+ return isNoArgsSuperCall(((JCExpressionStatement)tree).expr);
+ }
+ return false;
+ }
+
+ /** Print a set of modifiers.
+ */
+ public void printFlags(long flags) throws IOException {
+ if ((flags & SYNTHETIC) != 0) print("/*synthetic*/ ");
+ if (suppressFinalAndSemicolonsInTry) {
+ flags = flags & ~FINAL;
+ suppressFinalAndSemicolonsInTry = false;
+ }
+ print(TreeInfo.flagNames(flags));
+ if ((flags & StandardFlags) != 0) print(" ");
+ if ((flags & ANNOTATION) != 0) print("@");
+ }
+
+ public void printAnnotations(List<JCAnnotation> trees) throws IOException {
+ for (List<JCAnnotation> l = trees; l.nonEmpty(); l = l.tail) {
+ printStat(l.head);
+ if (inParams) {
+ print(" ");
+ }
+ else {
+ println();
+ align();
+ }
+ }
+ }
+
+ /** Print documentation comment, if it exists
+ * @param tree The tree for which a documentation comment should be printed.
+ */
+ public void printDocComment(JCTree tree) throws IOException {
+ String dc = getJavadocFor(tree);
+ if (dc == null) return;
+ print("/**"); println();
+ int pos = 0;
+ int endpos = lineEndPos(dc, pos);
+ boolean atStart = true;
+ while (pos < dc.length()) {
+ String line = dc.substring(pos, endpos);
+ if (line.trim().isEmpty() && atStart) {
+ atStart = false;
+ continue;
+ }
+ atStart = false;
+ align();
+ print(" *");
+ if (pos < dc.length() && dc.charAt(pos) > ' ') print(" ");
+ print(dc.substring(pos, endpos)); println();
+ pos = endpos + 1;
+ endpos = lineEndPos(dc, pos);
+ }
+ align(); print(" */"); println();
+ align();
+ }
//where
- static int lineEndPos(String s, int start) {
- int pos = s.indexOf('\n', start);
- if (pos < 0) pos = s.length();
- return pos;
- }
-
- /** If type parameter list is non-empty, print it enclosed in "<...>" brackets.
- */
- public void printTypeParameters(List<JCTypeParameter> trees) throws IOException {
- if (trees.nonEmpty()) {
- print("<");
- printExprs(trees);
- print(">");
- }
- }
-
- /** Print a block.
- */
- public void printBlock(List<? extends JCTree> stats, JCTree container) throws IOException {
- print("{");
- println();
- indent();
- printStats(stats);
- consumeComments(endPos(container));
- undent();
- align();
- print("}");
- }
-
- /** Print a block.
- */
- public void printEnumBody(List<JCTree> stats) throws IOException {
- print("{");
- println();
- indent();
- boolean first = true;
- for (List<JCTree> l = stats; l.nonEmpty(); l = l.tail) {
- if (isEnumerator(l.head)) {
- if (!first) {
- print(",");
- println();
- }
- align();
- printStat(l.head);
- first = false;
- }
- }
- print(";");
- println();
- int x = 0;
- for (List<JCTree> l = stats; l.nonEmpty(); l = l.tail) {
- x++;
- if (!isEnumerator(l.head)) {
- if (!suppressAlignmentForEmptyLines(l.head)) align();
- printStat(l.head);
- println();
- }
- }
- undent();
- align();
- print("}");
- }
-
- public void printEnumMember(JCVariableDecl tree) throws IOException {
- printAnnotations(tree.mods.annotations);
- print(tree.name);
- if (tree.init instanceof JCNewClass) {
- JCNewClass constructor = (JCNewClass) tree.init;
- if (constructor.args != null && constructor.args.nonEmpty()) {
- print("(");
- printExprs(constructor.args);
- print(")");
- }
- if (constructor.def != null && constructor.def.defs != null) {
- print(" ");
- printBlock(constructor.def.defs, constructor.def);
- }
- }
- }
-
- /** Is the given tree an enumerator definition? */
- boolean isEnumerator(JCTree t) {
- return VARDEF.equals(treeTag(t)) && (((JCVariableDecl) t).mods.flags & ENUM) != 0;
- }
-
- /** Print unit consisting of package clause and import statements in toplevel,
- * followed by class definition. if class definition == null,
- * print all definitions in toplevel.
- * @param tree The toplevel tree
- * @param cdef The class definition, which is assumed to be part of the
- * toplevel tree.
- */
- public void printUnit(JCCompilationUnit tree, JCClassDecl cdef) throws IOException {
- Object dc = getDocComments(tree);
- loadDocCommentsTable(dc);
- printDocComment(tree);
- if (tree.pid != null) {
- consumeComments(tree.pos, tree);
- print("package ");
- printExpr(tree.pid);
- print(";");
- println();
- }
- boolean firstImport = true;
- for (List<JCTree> l = tree.defs;
- l.nonEmpty() && (cdef == null || IMPORT.equals(treeTag(l.head)));
- l = l.tail) {
- if (IMPORT.equals(treeTag(l.head))) {
- JCImport imp = (JCImport)l.head;
- Name name = TreeInfo.name(imp.qualid);
- if (name == name.table.fromChars(new char[] {'*'}, 0, 1) ||
- cdef == null ||
- isUsed(TreeInfo.symbol(imp.qualid), cdef)) {
- if (firstImport) {
- firstImport = false;
- println();
- }
- printStat(imp);
- }
- } else {
- printStat(l.head);
- }
- }
- if (cdef != null) {
- printStat(cdef);
- println();
- }
- }
- // where
- @SuppressWarnings("unchecked")
- private void loadDocCommentsTable(Object dc) {
- if (dc instanceof Map<?, ?>) this.docComments = (Map) dc;
- else if (dc instanceof DocCommentTable) this.docTable = (DocCommentTable) dc;
- }
-
- boolean isUsed(final Symbol t, JCTree cdef) {
- class UsedVisitor extends TreeScanner {
- public void scan(JCTree tree) {
- if (tree!=null && !result) tree.accept(this);
- }
- boolean result = false;
- public void visitIdent(JCIdent tree) {
- if (tree.sym == t) result = true;
- }
- }
- UsedVisitor v = new UsedVisitor();
- v.scan(cdef);
- return v.result;
- }
-
- /**************************************************************************
- * Visitor methods
- *************************************************************************/
-
- public void visitTopLevel(JCCompilationUnit tree) {
- try {
- printUnit(tree, null);
- consumeComments(Integer.MAX_VALUE);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitImport(JCImport tree) {
- try {
- print("import ");
- if (tree.staticImport) print("static ");
- printExpr(tree.qualid);
- print(";");
- println();
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitClassDef(JCClassDecl tree) {
- try {
- consumeComments(tree.pos, tree);
- println(); align();
- printDocComment(tree);
- printAnnotations(tree.mods.annotations);
- printFlags(tree.mods.flags & ~INTERFACE);
- Name enclClassNamePrev = enclClassName;
- enclClassName = tree.name;
- if ((tree.mods.flags & INTERFACE) != 0) {
- print("interface " + tree.name);
- printTypeParameters(tree.typarams);
- if (tree.implementing.nonEmpty()) {
- print(" extends ");
- printExprs(tree.implementing);
- }
- } else {
- if ((tree.mods.flags & ENUM) != 0)
- print("enum " + tree.name);
- else
- print("class " + tree.name);
- printTypeParameters(tree.typarams);
- if (getExtendsClause(tree) != null) {
- print(" extends ");
- printExpr(getExtendsClause(tree));
- }
- if (tree.implementing.nonEmpty()) {
- print(" implements ");
- printExprs(tree.implementing);
- }
- }
- print(" ");
- // <Added for delombok by Reinier Zwitserloot>
- if ((tree.mods.flags & INTERFACE) != 0) {
- removeImplicitModifiersForInterfaceMembers(tree.defs);
- }
- // </Added for delombok by Reinier Zwitserloot>
- if ((tree.mods.flags & ENUM) != 0) {
- printEnumBody(tree.defs);
- } else {
- printBlock(tree.defs, tree);
- }
- enclClassName = enclClassNamePrev;
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- // Added for delombok by Reinier Zwitserloot
- private void removeImplicitModifiersForInterfaceMembers(List<JCTree> defs) {
- for (JCTree def :defs) {
- if (def instanceof JCVariableDecl) {
- ((JCVariableDecl) def).mods.flags &= ~(Flags.PUBLIC | Flags.STATIC | Flags.FINAL);
- }
- if (def instanceof JCMethodDecl) {
- ((JCMethodDecl) def).mods.flags &= ~(Flags.PUBLIC | Flags.ABSTRACT);
- }
- if (def instanceof JCClassDecl) {
- ((JCClassDecl) def).mods.flags &= ~(Flags.PUBLIC | Flags.STATIC);
- }
- }
- }
-
- public void visitMethodDef(JCMethodDecl tree) {
- try {
- boolean isConstructor = tree.name == tree.name.table.fromChars("<init>".toCharArray(), 0, 6);
- // when producing source output, omit anonymous constructors
- if (isConstructor && enclClassName == null) return;
- boolean isGeneratedConstructor = isConstructor && ((tree.mods.flags & Flags.GENERATEDCONSTR) != 0);
- if (isGeneratedConstructor) return;
- println(); align();
- printDocComment(tree);
- printExpr(tree.mods);
- printTypeParameters(tree.typarams);
- if (tree.typarams != null && tree.typarams.length() > 0) print(" ");
- if (tree.name == tree.name.table.fromChars("<init>".toCharArray(), 0, 6)) {
- print(enclClassName != null ? enclClassName : tree.name);
- } else {
- printExpr(tree.restype);
- print(" " + tree.name);
- }
- print("(");
- inParams = true;
- printExprs(tree.params);
- inParams = false;
- print(")");
- if (tree.thrown.nonEmpty()) {
- print(" throws ");
- printExprs(tree.thrown);
- }
- if (tree.defaultValue != null) {
- print(" default ");
- print(tree.defaultValue);
- }
- if (tree.body != null) {
- print(" ");
- printBlock(tree.body.stats, tree.body);
- } else {
- print(";");
- }
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitVarDef(JCVariableDecl tree) {
- try {
- boolean suppressSemi = suppressFinalAndSemicolonsInTry;
- if (getJavadocFor(tree) != null) {
- println(); align();
- }
- printDocComment(tree);
- if ((tree.mods.flags & ENUM) != 0) {
- printEnumMember(tree);
- } else {
- printExpr(tree.mods);
- if ((tree.mods.flags & VARARGS) != 0) {
- printExpr(((JCArrayTypeTree) tree.vartype).elemtype);
- print("... " + tree.name);
- } else {
- printExpr(tree.vartype);
- print(" " + tree.name);
- }
- if (tree.init != null) {
- print(" = ");
- printExpr(tree.init);
- }
- if (prec == TreeInfo.notExpression && !suppressSemi) print(";");
- }
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitSkip(JCSkip tree) {
- try {
- print(";");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitBlock(JCBlock tree) {
- try {
- consumeComments(tree.pos);
- printFlags(tree.flags);
- printBlock(tree.stats, tree);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitDoLoop(JCDoWhileLoop tree) {
- try {
- print("do ");
- printStat(tree.body);
- align();
- print(" while ");
- if (PARENS.equals(treeTag(tree.cond))) {
- printExpr(tree.cond);
- } else {
- print("(");
- printExpr(tree.cond);
- print(")");
- }
- print(";");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitWhileLoop(JCWhileLoop tree) {
- try {
- print("while ");
- if (PARENS.equals(treeTag(tree.cond))) {
- printExpr(tree.cond);
- } else {
- print("(");
- printExpr(tree.cond);
- print(")");
- }
- print(" ");
- printStat(tree.body);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitForLoop(JCForLoop tree) {
- try {
- print("for (");
- if (tree.init.nonEmpty()) {
- if (VARDEF.equals(treeTag(tree.init.head))) {
- printExpr(tree.init.head);
- for (List<JCStatement> l = tree.init.tail; l.nonEmpty(); l = l.tail) {
- JCVariableDecl vdef = (JCVariableDecl)l.head;
- print(", " + vdef.name + " = ");
- printExpr(vdef.init);
- }
- } else {
- printExprs(tree.init);
- }
- }
- print("; ");
- if (tree.cond != null) printExpr(tree.cond);
- print("; ");
- printExprs(tree.step);
- print(") ");
- printStat(tree.body);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitForeachLoop(JCEnhancedForLoop tree) {
- try {
- print("for (");
- printExpr(tree.var);
- print(" : ");
- printExpr(tree.expr);
- print(") ");
- printStat(tree.body);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitLabelled(JCLabeledStatement tree) {
- try {
- print(tree.label + ":");
- if (isEmptyStat(tree.body) || tree.body instanceof JCSkip) {
- print(" ;");
- } else if (tree.body instanceof JCBlock) {
- print(" ");
- printStat(tree.body);
- } else {
- println();
- align();
- printStat(tree.body);
- }
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitSwitch(JCSwitch tree) {
- try {
- print("switch ");
- if (PARENS.equals(treeTag(tree.selector))) {
- printExpr(tree.selector);
- } else {
- print("(");
- printExpr(tree.selector);
- print(")");
- }
- print(" {");
- println();
- printStats(tree.cases);
- align();
- print("}");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitCase(JCCase tree) {
- try {
- if (tree.pat == null) {
- print("default");
- } else {
- print("case ");
- printExpr(tree.pat);
- }
- print(": ");
- println();
- indent();
- printStats(tree.stats);
- undent();
- align();
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitSynchronized(JCSynchronized tree) {
- try {
- print("synchronized ");
- if (PARENS.equals(treeTag(tree.lock))) {
- printExpr(tree.lock);
- } else {
- print("(");
- printExpr(tree.lock);
- print(")");
- }
- print(" ");
- printStat(tree.body);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitTry(JCTry tree) {
- try {
- print("try ");
- List<?> resources = null;
- try {
- Field f = JCTry.class.getField("resources");
- resources = (List<?>) f.get(tree);
- } catch (Exception ignore) {
- // In JDK6 and down this field does not exist; resources will retain its initializer value which is what we want.
- }
-
- if (resources != null && resources.nonEmpty()) {
- print("(");
- int remaining = resources.size();
- if (remaining == 1) {
- JCTree var = (JCTree) resources.get(0);
- suppressFinalAndSemicolonsInTry = true;
- printStat(var);
- print(") ");
- } else {
- indent(); indent();
- for (Object var0 : resources) {
- println();
- align();
- JCTree var = (JCTree) var0;
- suppressFinalAndSemicolonsInTry = true;
- printStat(var);
- remaining--;
- if (remaining > 0) print(";");
- }
- print(") ");
- undent(); undent();
- }
- }
-
- printStat(tree.body);
- for (List<JCCatch> l = tree.catchers; l.nonEmpty(); l = l.tail) {
- printStat(l.head);
- }
- if (tree.finalizer != null) {
- print(" finally ");
- printStat(tree.finalizer);
- }
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitCatch(JCCatch tree) {
- try {
- print(" catch (");
- printExpr(tree.param);
- print(") ");
- printStat(tree.body);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitConditional(JCConditional tree) {
- try {
- open(prec, TreeInfo.condPrec);
- printExpr(tree.cond, TreeInfo.condPrec);
- print(" ? ");
- printExpr(tree.truepart, TreeInfo.condPrec);
- print(" : ");
- printExpr(tree.falsepart, TreeInfo.condPrec);
- close(prec, TreeInfo.condPrec);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitIf(JCIf tree) {
- try {
- print("if ");
- if (PARENS.equals(treeTag(tree.cond))) {
- printExpr(tree.cond);
- } else {
- print("(");
- printExpr(tree.cond);
- print(")");
- }
- print(" ");
- printStat(tree.thenpart);
- if (tree.elsepart != null) {
- print(" else ");
- printStat(tree.elsepart);
- }
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- private boolean isNoArgsSuperCall(JCExpression expr) {
- if (!(expr instanceof JCMethodInvocation)) return false;
- JCMethodInvocation tree = (JCMethodInvocation) expr;
- if (!tree.typeargs.isEmpty() || !tree.args.isEmpty()) return false;
- if (!(tree.meth instanceof JCIdent)) return false;
- return ((JCIdent) tree.meth).name.toString().equals("super");
- }
-
- public void visitExec(JCExpressionStatement tree) {
- if (isNoArgsSuperCall(tree.expr)) return;
- try {
- printExpr(tree.expr);
- if (prec == TreeInfo.notExpression) print(";");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitBreak(JCBreak tree) {
- try {
- print("break");
- if (tree.label != null) print(" " + tree.label);
- print(";");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitContinue(JCContinue tree) {
- try {
- print("continue");
- if (tree.label != null) print(" " + tree.label);
- print(";");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitReturn(JCReturn tree) {
- try {
- print("return");
- if (tree.expr != null) {
- print(" ");
- printExpr(tree.expr);
- }
- print(";");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitThrow(JCThrow tree) {
- try {
- print("throw ");
- printExpr(tree.expr);
- print(";");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitAssert(JCAssert tree) {
- try {
- print("assert ");
- printExpr(tree.cond);
- if (tree.detail != null) {
- print(" : ");
- printExpr(tree.detail);
- }
- print(";");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitApply(JCMethodInvocation tree) {
- try {
- if (!tree.typeargs.isEmpty()) {
- if (SELECT.equals(treeTag(tree.meth))) {
- JCFieldAccess left = (JCFieldAccess)tree.meth;
- printExpr(left.selected);
- print(".<");
- printExprs(tree.typeargs);
- print(">" + left.name);
- } else {
- print("<");
- printExprs(tree.typeargs);
- print(">");
- printExpr(tree.meth);
- }
- } else {
- printExpr(tree.meth);
- }
- print("(");
- printExprs(tree.args);
- print(")");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitNewClass(JCNewClass tree) {
- try {
- if (tree.encl != null) {
- printExpr(tree.encl);
- print(".");
- }
- print("new ");
- if (!tree.typeargs.isEmpty()) {
- print("<");
- printExprs(tree.typeargs);
- print(">");
- }
- printExpr(tree.clazz);
- print("(");
- printExprs(tree.args);
- print(")");
- if (tree.def != null) {
- Name enclClassNamePrev = enclClassName;
- enclClassName =
- tree.def.name != null ? tree.def.name :
- tree.type != null && tree.type.tsym.name != tree.type.tsym.name.table.fromChars(new char[0], 0, 0) ? tree.type.tsym.name :
- null;
- if ((tree.def.mods.flags & Flags.ENUM) != 0) print("/*enum*/");
- printBlock(tree.def.defs, tree.def);
- enclClassName = enclClassNamePrev;
- }
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitNewArray(JCNewArray tree) {
- try {
- if (tree.elemtype != null) {
- print("new ");
- JCTree elem = tree.elemtype;
- if (elem instanceof JCArrayTypeTree)
- printBaseElementType((JCArrayTypeTree) elem);
- else
- printExpr(elem);
- for (List<JCExpression> l = tree.dims; l.nonEmpty(); l = l.tail) {
- print("[");
- printExpr(l.head);
- print("]");
- }
- if (elem instanceof JCArrayTypeTree)
- printBrackets((JCArrayTypeTree) elem);
- }
- if (tree.elems != null) {
- if (tree.elemtype != null) print("[]");
- print("{");
- printExprs(tree.elems);
- print("}");
- }
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitParens(JCParens tree) {
- try {
- print("(");
- printExpr(tree.expr);
- print(")");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitAssign(JCAssign tree) {
- try {
- open(prec, TreeInfo.assignPrec);
- printExpr(tree.lhs, TreeInfo.assignPrec + 1);
- print(" = ");
- printExpr(tree.rhs, TreeInfo.assignPrec);
- close(prec, TreeInfo.assignPrec);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public String operatorName(TreeTag tag) {
- String result = OPERATORS.get(tag);
- if (result == null) throw new Error();
- return result;
- }
-
- public void visitAssignop(JCAssignOp tree) {
- try {
- open(prec, TreeInfo.assignopPrec);
- printExpr(tree.lhs, TreeInfo.assignopPrec + 1);
- String opname = operatorName(treeTag(tree));
- print(" " + opname + " ");
- printExpr(tree.rhs, TreeInfo.assignopPrec);
- close(prec, TreeInfo.assignopPrec);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitUnary(JCUnary tree) {
- try {
- int ownprec = isOwnPrec(tree);
- String opname = operatorName(treeTag(tree));
- open(prec, ownprec);
- if (isPrefixUnary(tree)) {
- print(opname);
- printExpr(tree.arg, ownprec);
- } else {
- printExpr(tree.arg, ownprec);
- print(opname);
- }
- close(prec, ownprec);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- private int isOwnPrec(JCExpression tree) {
- return treeTag(tree).getOperatorPrecedenceLevel();
- }
-
- private boolean isPrefixUnary(JCUnary tree) {
- return treeTag(tree).isPrefixUnaryOp();
- }
-
- public void visitBinary(JCBinary tree) {
- try {
- int ownprec = isOwnPrec(tree);
- String opname = operatorName(treeTag(tree));
- open(prec, ownprec);
- printExpr(tree.lhs, ownprec);
- print(" " + opname + " ");
- printExpr(tree.rhs, ownprec + 1);
- close(prec, ownprec);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitTypeCast(JCTypeCast tree) {
- try {
- open(prec, TreeInfo.prefixPrec);
- print("(");
- printExpr(tree.clazz);
- print(")");
- printExpr(tree.expr, TreeInfo.prefixPrec);
- close(prec, TreeInfo.prefixPrec);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitTypeTest(JCInstanceOf tree) {
- try {
- open(prec, TreeInfo.ordPrec);
- printExpr(tree.expr, TreeInfo.ordPrec);
- print(" instanceof ");
- printExpr(tree.clazz, TreeInfo.ordPrec + 1);
- close(prec, TreeInfo.ordPrec);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitIndexed(JCArrayAccess tree) {
- try {
- printExpr(tree.indexed, TreeInfo.postfixPrec);
- print("[");
- printExpr(tree.index);
- print("]");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitSelect(JCFieldAccess tree) {
- try {
- printExpr(tree.selected, TreeInfo.postfixPrec);
- print("." + tree.name);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitIdent(JCIdent tree) {
- try {
- print(tree.name);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitLiteral(JCLiteral tree) {
- TypeTag typeTag = typeTag(tree);
- try {
- if (CTC_INT.equals(typeTag)) print(tree.value.toString());
- else if (CTC_LONG.equals(typeTag)) print(tree.value + "L");
- else if (CTC_FLOAT.equals(typeTag)) print(tree.value + "F");
- else if (CTC_DOUBLE.equals(typeTag)) print(tree.value.toString());
- else if (CTC_CHAR.equals(typeTag)) {
- print("\'" + Convert.quote(String.valueOf((char)((Number)tree.value).intValue())) + "\'");
- }
- else if (CTC_BOOLEAN.equals(typeTag)) print(((Number)tree.value).intValue() == 1 ? "true" : "false");
- else if (CTC_BOT.equals(typeTag)) print("null");
- else print("\"" + Convert.quote(tree.value.toString()) + "\"");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
+ static int lineEndPos(String s, int start) {
+ int pos = s.indexOf('\n', start);
+ if (pos < 0) pos = s.length();
+ return pos;
+ }
+
+ /** If type parameter list is non-empty, print it enclosed in "<...>" brackets.
+ */
+ public void printTypeParameters(List<JCTypeParameter> trees) throws IOException {
+ if (trees.nonEmpty()) {
+ print("<");
+ printExprs(trees);
+ print(">");
+ }
+ }
+
+ /** Print a block.
+ */
+ public void printBlock(List<? extends JCTree> stats, JCTree container) throws IOException {
+ print("{");
+ println();
+ indent();
+ printStats(stats);
+ consumeComments(endPos(container));
+ undent();
+ align();
+ print("}");
+ }
+
+ /** Print a block.
+ */
+ public void printEnumBody(List<JCTree> stats) throws IOException {
+ print("{");
+ println();
+ indent();
+ boolean first = true;
+ for (List<JCTree> l = stats; l.nonEmpty(); l = l.tail) {
+ if (isEnumerator(l.head)) {
+ if (!first) {
+ print(",");
+ println();
+ }
+ align();
+ printStat(l.head);
+ first = false;
+ }
+ }
+ print(";");
+ println();
+ int x = 0;
+ for (List<JCTree> l = stats; l.nonEmpty(); l = l.tail) {
+ x++;
+ if (!isEnumerator(l.head)) {
+ if (!suppressAlignmentForEmptyLines(l.head)) align();
+ printStat(l.head);
+ println();
+ }
+ }
+ undent();
+ align();
+ print("}");
+ }
+
+ public void printEnumMember(JCVariableDecl tree) throws IOException {
+ printAnnotations(tree.mods.annotations);
+ print(tree.name);
+ if (tree.init instanceof JCNewClass) {
+ JCNewClass constructor = (JCNewClass) tree.init;
+ if (constructor.args != null && constructor.args.nonEmpty()) {
+ print("(");
+ printExprs(constructor.args);
+ print(")");
+ }
+ if (constructor.def != null && constructor.def.defs != null) {
+ print(" ");
+ printBlock(constructor.def.defs, constructor.def);
+ }
+ }
+ }
+
+ /** Is the given tree an enumerator definition? */
+ boolean isEnumerator(JCTree t) {
+ return VARDEF.equals(treeTag(t)) && (((JCVariableDecl) t).mods.flags & ENUM) != 0;
+ }
+
+ /** Print unit consisting of package clause and import statements in toplevel,
+ * followed by class definition. if class definition == null,
+ * print all definitions in toplevel.
+ * @param tree The toplevel tree
+ * @param cdef The class definition, which is assumed to be part of the
+ * toplevel tree.
+ */
+ public void printUnit(JCCompilationUnit tree, JCClassDecl cdef) throws IOException {
+ Object dc = getDocComments(tree);
+ loadDocCommentsTable(dc);
+ printDocComment(tree);
+ if (tree.pid != null) {
+ consumeComments(tree.pos, tree);
+ print("package ");
+ printExpr(tree.pid);
+ print(";");
+ println();
+ }
+ boolean firstImport = true;
+ for (List<JCTree> l = tree.defs;
+ l.nonEmpty() && (cdef == null || IMPORT.equals(treeTag(l.head)));
+ l = l.tail) {
+ if (IMPORT.equals(treeTag(l.head))) {
+ JCImport imp = (JCImport)l.head;
+ Name name = TreeInfo.name(imp.qualid);
+ if (name == name.table.fromChars(new char[] {'*'}, 0, 1) ||
+ cdef == null ||
+ isUsed(TreeInfo.symbol(imp.qualid), cdef)) {
+ if (firstImport) {
+ firstImport = false;
+ println();
+ }
+ printStat(imp);
+ }
+ } else {
+ printStat(l.head);
+ }
+ }
+ if (cdef != null) {
+ printStat(cdef);
+ println();
+ }
+ }
+ // where
+ @SuppressWarnings("unchecked")
+ private void loadDocCommentsTable(Object dc) {
+ if (dc instanceof Map<?, ?>) this.docComments = (Map) dc;
+ else if (dc instanceof DocCommentTable) this.docTable = (DocCommentTable) dc;
+ }
+
+ boolean isUsed(final Symbol t, JCTree cdef) {
+ class UsedVisitor extends TreeScanner {
+ public void scan(JCTree tree) {
+ if (tree!=null && !result) tree.accept(this);
+ }
+ boolean result = false;
+ public void visitIdent(JCIdent tree) {
+ if (tree.sym == t) result = true;
+ }
+ }
+ UsedVisitor v = new UsedVisitor();
+ v.scan(cdef);
+ return v.result;
+ }
+
+ /**************************************************************************
+ * Visitor methods
+ *************************************************************************/
+
+ public void visitTopLevel(JCCompilationUnit tree) {
+ try {
+ printUnit(tree, null);
+ consumeComments(Integer.MAX_VALUE);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitImport(JCImport tree) {
+ try {
+ print("import ");
+ if (tree.staticImport) print("static ");
+ printExpr(tree.qualid);
+ print(";");
+ println();
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitClassDef(JCClassDecl tree) {
+ try {
+ consumeComments(tree.pos, tree);
+ println(); align();
+ printDocComment(tree);
+ printAnnotations(tree.mods.annotations);
+ printFlags(tree.mods.flags & ~INTERFACE);
+ Name enclClassNamePrev = enclClassName;
+ enclClassName = tree.name;
+ if ((tree.mods.flags & INTERFACE) != 0) {
+ print("interface " + tree.name);
+ printTypeParameters(tree.typarams);
+ if (tree.implementing.nonEmpty()) {
+ print(" extends ");
+ printExprs(tree.implementing);
+ }
+ } else {
+ if ((tree.mods.flags & ENUM) != 0)
+ print("enum " + tree.name);
+ else
+ print("class " + tree.name);
+ printTypeParameters(tree.typarams);
+ if (getExtendsClause(tree) != null) {
+ print(" extends ");
+ printExpr(getExtendsClause(tree));
+ }
+ if (tree.implementing.nonEmpty()) {
+ print(" implements ");
+ printExprs(tree.implementing);
+ }
+ }
+ print(" ");
+ // <Added for delombok by Reinier Zwitserloot>
+ if ((tree.mods.flags & INTERFACE) != 0) {
+ removeImplicitModifiersForInterfaceMembers(tree.defs);
+ }
+ // </Added for delombok by Reinier Zwitserloot>
+ if ((tree.mods.flags & ENUM) != 0) {
+ printEnumBody(tree.defs);
+ } else {
+ printBlock(tree.defs, tree);
+ }
+ enclClassName = enclClassNamePrev;
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ // Added for delombok by Reinier Zwitserloot
+ private void removeImplicitModifiersForInterfaceMembers(List<JCTree> defs) {
+ for (JCTree def :defs) {
+ if (def instanceof JCVariableDecl) {
+ ((JCVariableDecl) def).mods.flags &= ~(Flags.PUBLIC | Flags.STATIC | Flags.FINAL);
+ }
+ if (def instanceof JCMethodDecl) {
+ ((JCMethodDecl) def).mods.flags &= ~(Flags.PUBLIC | Flags.ABSTRACT);
+ }
+ if (def instanceof JCClassDecl) {
+ ((JCClassDecl) def).mods.flags &= ~(Flags.PUBLIC | Flags.STATIC);
+ }
+ }
+ }
+
+ public void visitMethodDef(JCMethodDecl tree) {
+ try {
+ boolean isConstructor = tree.name == tree.name.table.fromChars("<init>".toCharArray(), 0, 6);
+ // when producing source output, omit anonymous constructors
+ if (isConstructor && enclClassName == null) return;
+ boolean isGeneratedConstructor = isConstructor && ((tree.mods.flags & Flags.GENERATEDCONSTR) != 0);
+ if (isGeneratedConstructor) return;
+ println(); align();
+ printDocComment(tree);
+ printExpr(tree.mods);
+ printTypeParameters(tree.typarams);
+ if (tree.typarams != null && tree.typarams.length() > 0) print(" ");
+ if (tree.name == tree.name.table.fromChars("<init>".toCharArray(), 0, 6)) {
+ print(enclClassName != null ? enclClassName : tree.name);
+ } else {
+ printExpr(tree.restype);
+ print(" " + tree.name);
+ }
+ print("(");
+ inParams = true;
+ printExprs(tree.params);
+ inParams = false;
+ print(")");
+ if (tree.thrown.nonEmpty()) {
+ print(" throws ");
+ printExprs(tree.thrown);
+ }
+ if (tree.defaultValue != null) {
+ print(" default ");
+ print(tree.defaultValue);
+ }
+ if (tree.body != null) {
+ print(" ");
+ printBlock(tree.body.stats, tree.body);
+ } else {
+ print(";");
+ }
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitVarDef(JCVariableDecl tree) {
+ try {
+ boolean suppressSemi = suppressFinalAndSemicolonsInTry;
+ if (getJavadocFor(tree) != null) {
+ println(); align();
+ }
+ printDocComment(tree);
+ if ((tree.mods.flags & ENUM) != 0) {
+ printEnumMember(tree);
+ } else {
+ printExpr(tree.mods);
+ if ((tree.mods.flags & VARARGS) != 0) {
+ printExpr(((JCArrayTypeTree) tree.vartype).elemtype);
+ print("... " + tree.name);
+ } else {
+ printExpr(tree.vartype);
+ print(" " + tree.name);
+ }
+ if (tree.init != null) {
+ print(" = ");
+ printExpr(tree.init);
+ }
+ if (prec == TreeInfo.notExpression && !suppressSemi) print(";");
+ }
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitSkip(JCSkip tree) {
+ try {
+ print(";");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitBlock(JCBlock tree) {
+ try {
+ consumeComments(tree.pos);
+ printFlags(tree.flags);
+ printBlock(tree.stats, tree);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitDoLoop(JCDoWhileLoop tree) {
+ try {
+ print("do ");
+ printStat(tree.body);
+ align();
+ print(" while ");
+ if (PARENS.equals(treeTag(tree.cond))) {
+ printExpr(tree.cond);
+ } else {
+ print("(");
+ printExpr(tree.cond);
+ print(")");
+ }
+ print(";");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitWhileLoop(JCWhileLoop tree) {
+ try {
+ print("while ");
+ if (PARENS.equals(treeTag(tree.cond))) {
+ printExpr(tree.cond);
+ } else {
+ print("(");
+ printExpr(tree.cond);
+ print(")");
+ }
+ print(" ");
+ printStat(tree.body);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitForLoop(JCForLoop tree) {
+ try {
+ print("for (");
+ if (tree.init.nonEmpty()) {
+ if (VARDEF.equals(treeTag(tree.init.head))) {
+ printExpr(tree.init.head);
+ for (List<JCStatement> l = tree.init.tail; l.nonEmpty(); l = l.tail) {
+ JCVariableDecl vdef = (JCVariableDecl)l.head;
+ print(", " + vdef.name + " = ");
+ printExpr(vdef.init);
+ }
+ } else {
+ printExprs(tree.init);
+ }
+ }
+ print("; ");
+ if (tree.cond != null) printExpr(tree.cond);
+ print("; ");
+ printExprs(tree.step);
+ print(") ");
+ printStat(tree.body);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitForeachLoop(JCEnhancedForLoop tree) {
+ try {
+ print("for (");
+ printExpr(tree.var);
+ print(" : ");
+ printExpr(tree.expr);
+ print(") ");
+ printStat(tree.body);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitLabelled(JCLabeledStatement tree) {
+ try {
+ print(tree.label + ":");
+ if (isEmptyStat(tree.body) || tree.body instanceof JCSkip) {
+ print(" ;");
+ } else if (tree.body instanceof JCBlock) {
+ print(" ");
+ printStat(tree.body);
+ } else {
+ println();
+ align();
+ printStat(tree.body);
+ }
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitSwitch(JCSwitch tree) {
+ try {
+ print("switch ");
+ if (PARENS.equals(treeTag(tree.selector))) {
+ printExpr(tree.selector);
+ } else {
+ print("(");
+ printExpr(tree.selector);
+ print(")");
+ }
+ print(" {");
+ println();
+ printStats(tree.cases);
+ align();
+ print("}");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitCase(JCCase tree) {
+ try {
+ if (tree.pat == null) {
+ print("default");
+ } else {
+ print("case ");
+ printExpr(tree.pat);
+ }
+ print(": ");
+ println();
+ indent();
+ printStats(tree.stats);
+ undent();
+ align();
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitSynchronized(JCSynchronized tree) {
+ try {
+ print("synchronized ");
+ if (PARENS.equals(treeTag(tree.lock))) {
+ printExpr(tree.lock);
+ } else {
+ print("(");
+ printExpr(tree.lock);
+ print(")");
+ }
+ print(" ");
+ printStat(tree.body);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitTry(JCTry tree) {
+ try {
+ print("try ");
+ List<?> resources = null;
+ try {
+ Field f = JCTry.class.getField("resources");
+ resources = (List<?>) f.get(tree);
+ } catch (Exception ignore) {
+ // In JDK6 and down this field does not exist; resources will retain its initializer value which is what we want.
+ }
+
+ if (resources != null && resources.nonEmpty()) {
+ print("(");
+ int remaining = resources.size();
+ if (remaining == 1) {
+ JCTree var = (JCTree) resources.get(0);
+ suppressFinalAndSemicolonsInTry = true;
+ printStat(var);
+ print(") ");
+ } else {
+ indent(); indent();
+ for (Object var0 : resources) {
+ println();
+ align();
+ JCTree var = (JCTree) var0;
+ suppressFinalAndSemicolonsInTry = true;
+ printStat(var);
+ remaining--;
+ if (remaining > 0) print(";");
+ }
+ print(") ");
+ undent(); undent();
+ }
+ }
+
+ printStat(tree.body);
+ for (List<JCCatch> l = tree.catchers; l.nonEmpty(); l = l.tail) {
+ printStat(l.head);
+ }
+ if (tree.finalizer != null) {
+ print(" finally ");
+ printStat(tree.finalizer);
+ }
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitCatch(JCCatch tree) {
+ try {
+ print(" catch (");
+ printExpr(tree.param);
+ print(") ");
+ printStat(tree.body);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitConditional(JCConditional tree) {
+ try {
+ open(prec, TreeInfo.condPrec);
+ printExpr(tree.cond, TreeInfo.condPrec);
+ print(" ? ");
+ printExpr(tree.truepart, TreeInfo.condPrec);
+ print(" : ");
+ printExpr(tree.falsepart, TreeInfo.condPrec);
+ close(prec, TreeInfo.condPrec);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitIf(JCIf tree) {
+ try {
+ print("if ");
+ if (PARENS.equals(treeTag(tree.cond))) {
+ printExpr(tree.cond);
+ } else {
+ print("(");
+ printExpr(tree.cond);
+ print(")");
+ }
+ print(" ");
+ printStat(tree.thenpart);
+ if (tree.elsepart != null) {
+ print(" else ");
+ printStat(tree.elsepart);
+ }
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ private boolean isNoArgsSuperCall(JCExpression expr) {
+ if (!(expr instanceof JCMethodInvocation)) return false;
+ JCMethodInvocation tree = (JCMethodInvocation) expr;
+ if (!tree.typeargs.isEmpty() || !tree.args.isEmpty()) return false;
+ if (!(tree.meth instanceof JCIdent)) return false;
+ return ((JCIdent) tree.meth).name.toString().equals("super");
+ }
+
+ public void visitExec(JCExpressionStatement tree) {
+ if (isNoArgsSuperCall(tree.expr)) return;
+ try {
+ printExpr(tree.expr);
+ if (prec == TreeInfo.notExpression) print(";");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitBreak(JCBreak tree) {
+ try {
+ print("break");
+ if (tree.label != null) print(" " + tree.label);
+ print(";");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitContinue(JCContinue tree) {
+ try {
+ print("continue");
+ if (tree.label != null) print(" " + tree.label);
+ print(";");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitReturn(JCReturn tree) {
+ try {
+ print("return");
+ if (tree.expr != null) {
+ print(" ");
+ printExpr(tree.expr);
+ }
+ print(";");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitThrow(JCThrow tree) {
+ try {
+ print("throw ");
+ printExpr(tree.expr);
+ print(";");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitAssert(JCAssert tree) {
+ try {
+ print("assert ");
+ printExpr(tree.cond);
+ if (tree.detail != null) {
+ print(" : ");
+ printExpr(tree.detail);
+ }
+ print(";");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitApply(JCMethodInvocation tree) {
+ try {
+ if (!tree.typeargs.isEmpty()) {
+ if (SELECT.equals(treeTag(tree.meth))) {
+ JCFieldAccess left = (JCFieldAccess)tree.meth;
+ printExpr(left.selected);
+ print(".<");
+ printExprs(tree.typeargs);
+ print(">" + left.name);
+ } else {
+ print("<");
+ printExprs(tree.typeargs);
+ print(">");
+ printExpr(tree.meth);
+ }
+ } else {
+ printExpr(tree.meth);
+ }
+ print("(");
+ printExprs(tree.args);
+ print(")");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitNewClass(JCNewClass tree) {
+ try {
+ if (tree.encl != null) {
+ printExpr(tree.encl);
+ print(".");
+ }
+ print("new ");
+ if (!tree.typeargs.isEmpty()) {
+ print("<");
+ printExprs(tree.typeargs);
+ print(">");
+ }
+ printExpr(tree.clazz);
+ print("(");
+ printExprs(tree.args);
+ print(")");
+ if (tree.def != null) {
+ Name enclClassNamePrev = enclClassName;
+ enclClassName =
+ tree.def.name != null ? tree.def.name :
+ tree.type != null && tree.type.tsym.name != tree.type.tsym.name.table.fromChars(new char[0], 0, 0) ? tree.type.tsym.name :
+ null;
+ if ((tree.def.mods.flags & Flags.ENUM) != 0) print("/*enum*/");
+ printBlock(tree.def.defs, tree.def);
+ enclClassName = enclClassNamePrev;
+ }
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitNewArray(JCNewArray tree) {
+ try {
+ if (tree.elemtype != null) {
+ print("new ");
+ JCTree elem = tree.elemtype;
+ if (elem instanceof JCArrayTypeTree)
+ printBaseElementType((JCArrayTypeTree) elem);
+ else
+ printExpr(elem);
+ for (List<JCExpression> l = tree.dims; l.nonEmpty(); l = l.tail) {
+ print("[");
+ printExpr(l.head);
+ print("]");
+ }
+ if (elem instanceof JCArrayTypeTree)
+ printBrackets((JCArrayTypeTree) elem);
+ }
+ if (tree.elems != null) {
+ if (tree.elemtype != null) print("[]");
+ print("{");
+ printExprs(tree.elems);
+ print("}");
+ }
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitParens(JCParens tree) {
+ try {
+ print("(");
+ printExpr(tree.expr);
+ print(")");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitAssign(JCAssign tree) {
+ try {
+ open(prec, TreeInfo.assignPrec);
+ printExpr(tree.lhs, TreeInfo.assignPrec + 1);
+ print(" = ");
+ printExpr(tree.rhs, TreeInfo.assignPrec);
+ close(prec, TreeInfo.assignPrec);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public String operatorName(TreeTag tag) {
+ String result = OPERATORS.get(tag);
+ if (result == null) throw new Error();
+ return result;
+ }
+
+ public void visitAssignop(JCAssignOp tree) {
+ try {
+ open(prec, TreeInfo.assignopPrec);
+ printExpr(tree.lhs, TreeInfo.assignopPrec + 1);
+ String opname = operatorName(treeTag(tree));
+ print(" " + opname + " ");
+ printExpr(tree.rhs, TreeInfo.assignopPrec);
+ close(prec, TreeInfo.assignopPrec);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitUnary(JCUnary tree) {
+ try {
+ int ownprec = isOwnPrec(tree);
+ String opname = operatorName(treeTag(tree));
+ open(prec, ownprec);
+ if (isPrefixUnary(tree)) {
+ print(opname);
+ printExpr(tree.arg, ownprec);
+ } else {
+ printExpr(tree.arg, ownprec);
+ print(opname);
+ }
+ close(prec, ownprec);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ private int isOwnPrec(JCExpression tree) {
+ return treeTag(tree).getOperatorPrecedenceLevel();
+ }
+
+ private boolean isPrefixUnary(JCUnary tree) {
+ return treeTag(tree).isPrefixUnaryOp();
+ }
+
+ public void visitBinary(JCBinary tree) {
+ try {
+ int ownprec = isOwnPrec(tree);
+ String opname = operatorName(treeTag(tree));
+ open(prec, ownprec);
+ printExpr(tree.lhs, ownprec);
+ print(" " + opname + " ");
+ printExpr(tree.rhs, ownprec + 1);
+ close(prec, ownprec);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitTypeCast(JCTypeCast tree) {
+ try {
+ open(prec, TreeInfo.prefixPrec);
+ print("(");
+ printExpr(tree.clazz);
+ print(")");
+ printExpr(tree.expr, TreeInfo.prefixPrec);
+ close(prec, TreeInfo.prefixPrec);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitTypeTest(JCInstanceOf tree) {
+ try {
+ open(prec, TreeInfo.ordPrec);
+ printExpr(tree.expr, TreeInfo.ordPrec);
+ print(" instanceof ");
+ printExpr(tree.clazz, TreeInfo.ordPrec + 1);
+ close(prec, TreeInfo.ordPrec);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitIndexed(JCArrayAccess tree) {
+ try {
+ printExpr(tree.indexed, TreeInfo.postfixPrec);
+ print("[");
+ printExpr(tree.index);
+ print("]");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitSelect(JCFieldAccess tree) {
+ try {
+ printExpr(tree.selected, TreeInfo.postfixPrec);
+ print("." + tree.name);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitIdent(JCIdent tree) {
+ try {
+ print(tree.name);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitLiteral(JCLiteral tree) {
+ TypeTag typeTag = typeTag(tree);
+ try {
+ if (CTC_INT.equals(typeTag)) print(tree.value.toString());
+ else if (CTC_LONG.equals(typeTag)) print(tree.value + "L");
+ else if (CTC_FLOAT.equals(typeTag)) print(tree.value + "F");
+ else if (CTC_DOUBLE.equals(typeTag)) print(tree.value.toString());
+ else if (CTC_CHAR.equals(typeTag)) {
+ print("\'" + Convert.quote(String.valueOf((char)((Number)tree.value).intValue())) + "\'");
+ }
+ else if (CTC_BOOLEAN.equals(typeTag)) print(((Number)tree.value).intValue() == 1 ? "true" : "false");
+ else if (CTC_BOT.equals(typeTag)) print("null");
+ else print("\"" + Convert.quote(tree.value.toString()) + "\"");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
public void visitTypeIdent(JCPrimitiveTypeTree tree) {
TypeTag typetag = typeTag(tree);
try {
@@ -1436,144 +1436,148 @@ public class PrettyCommentsPrinter extends JCTree.Visitor {
} catch (IOException e) {
throw new UncheckedIOException(e);
}
- }
-
- public void visitTypeArray(JCArrayTypeTree tree) {
- try {
- printBaseElementType(tree);
- printBrackets(tree);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- // Prints the inner element type of a nested array
- private void printBaseElementType(JCArrayTypeTree tree) throws IOException {
- JCTree elem = tree.elemtype;
- while (elem instanceof JCWildcard)
- elem = ((JCWildcard) elem).inner;
- if (elem instanceof JCArrayTypeTree)
- printBaseElementType((JCArrayTypeTree) elem);
- else
- printExpr(elem);
- }
-
- // prints the brackets of a nested array in reverse order
- private void printBrackets(JCArrayTypeTree tree) throws IOException {
- JCTree elem;
- while (true) {
- elem = tree.elemtype;
- print("[]");
- if (!(elem instanceof JCArrayTypeTree)) break;
- tree = (JCArrayTypeTree) elem;
- }
- }
-
- public void visitTypeApply(JCTypeApply tree) {
- try {
- printExpr(tree.clazz);
- print("<");
- printExprs(tree.arguments);
- print(">");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitTypeParameter(JCTypeParameter tree) {
- try {
- print(tree.name);
- if (tree.bounds.nonEmpty()) {
- print(" extends ");
- printExprs(tree.bounds, " & ");
- }
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- @Override
- public void visitWildcard(JCWildcard tree) {
- try {
- Object kind = tree.getClass().getField("kind").get(tree);
- print(kind);
- if (kind != null && kind.getClass().getSimpleName().equals("TypeBoundKind")) {
- kind = kind.getClass().getField("kind").get(kind);
- }
-
- if (tree.getKind() != Tree.Kind.UNBOUNDED_WILDCARD)
- printExpr(tree.inner);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- } catch (NoSuchFieldException e) {
- throw new RuntimeException(e);
- } catch (IllegalAccessException e) {
- throw new RuntimeException(e);
- }
- }
-
- public void visitTypeBoundKind(TypeBoundKind tree) {
- try {
- print(String.valueOf(tree.kind));
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitErroneous(JCErroneous tree) {
- try {
- print("(ERROR)");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitLetExpr(LetExpr tree) {
- try {
- print("(let " + tree.defs + " in " + tree.expr + ")");
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitModifiers(JCModifiers mods) {
- try {
- printAnnotations(mods.annotations);
- printFlags(mods.flags);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitAnnotation(JCAnnotation tree) {
- try {
- print("@");
- printExpr(tree.annotationType);
- if (tree.args.nonEmpty()) {
- print("(");
- if (tree.args.length() == 1 && tree.args.get(0) instanceof JCAssign) {
- JCExpression lhs = ((JCAssign)tree.args.get(0)).lhs;
- if (lhs instanceof JCIdent && ((JCIdent)lhs).name.toString().equals("value")) tree.args = List.of(((JCAssign)tree.args.get(0)).rhs);
- }
- printExprs(tree.args);
- print(")");
- }
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
-
- public void visitTree(JCTree tree) {
- try {
- if ("JCTypeUnion".equals(tree.getClass().getSimpleName())) {
- print(tree.toString());
- return;
- } else {
- print("(UNKNOWN: " + tree + ")");
- println();
- }
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- }
+ }
+
+ public void visitTypeArray(JCArrayTypeTree tree) {
+ try {
+ printBaseElementType(tree);
+ printBrackets(tree);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ // Prints the inner element type of a nested array
+ private void printBaseElementType(JCArrayTypeTree tree) throws IOException {
+ JCTree elem = tree.elemtype;
+ while (elem instanceof JCWildcard)
+ elem = ((JCWildcard) elem).inner;
+ if (elem instanceof JCArrayTypeTree)
+ printBaseElementType((JCArrayTypeTree) elem);
+ else
+ printExpr(elem);
+ }
+
+ // prints the brackets of a nested array in reverse order
+ private void printBrackets(JCArrayTypeTree tree) throws IOException {
+ JCTree elem;
+ while (true) {
+ elem = tree.elemtype;
+ print("[]");
+ if (!(elem instanceof JCArrayTypeTree)) break;
+ tree = (JCArrayTypeTree) elem;
+ }
+ }
+
+ public void visitTypeApply(JCTypeApply tree) {
+ try {
+ printExpr(tree.clazz);
+ print("<");
+ printExprs(tree.arguments);
+ print(">");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitTypeParameter(JCTypeParameter tree) {
+ try {
+ print(tree.name);
+ if (tree.bounds.nonEmpty()) {
+ print(" extends ");
+ printExprs(tree.bounds, " & ");
+ }
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ @Override
+ public void visitWildcard(JCWildcard tree) {
+ try {
+ Object kind = tree.getClass().getField("kind").get(tree);
+ print(kind);
+ if (kind != null && kind.getClass().getSimpleName().equals("TypeBoundKind")) {
+ kind = kind.getClass().getField("kind").get(kind);
+ }
+
+ if (tree.getKind() != Tree.Kind.UNBOUNDED_WILDCARD)
+ printExpr(tree.inner);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ } catch (NoSuchFieldException e) {
+ throw new RuntimeException(e);
+ } catch (IllegalAccessException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public void visitTypeBoundKind(TypeBoundKind tree) {
+ try {
+ print(String.valueOf(tree.kind));
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitErroneous(JCErroneous tree) {
+ try {
+ print("(ERROR)");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitLetExpr(LetExpr tree) {
+ try {
+ print("(let " + tree.defs + " in " + tree.expr + ")");
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitModifiers(JCModifiers mods) {
+ try {
+ printAnnotations(mods.annotations);
+ printFlags(mods.flags);
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitAnnotation(JCAnnotation tree) {
+ try {
+ print("@");
+ printExpr(tree.annotationType);
+ if (tree.args.nonEmpty()) {
+ print("(");
+ if (tree.args.length() == 1 && tree.args.get(0) instanceof JCAssign) {
+ JCExpression lhs = ((JCAssign)tree.args.get(0)).lhs;
+ if (lhs instanceof JCIdent && ((JCIdent)lhs).name.toString().equals("value")) tree.args = List.of(((JCAssign)tree.args.get(0)).rhs);
+ }
+ printExprs(tree.args);
+ print(")");
+ }
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ public void visitTree(JCTree tree) {
+ try {
+ String simpleName = tree.getClass().getSimpleName();
+ if ("JCTypeUnion".equals(simpleName)) {
+ print(tree.toString());
+ return;
+ } else if ("JCTypeIntersection".equals(simpleName)) {
+ print(tree.toString());
+ return;
+ } else {
+ print("(UNKNOWN: " + tree + ")");
+ println();
+ }
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
}