import org.eclipse.jface.text.IRegion;
import org.eclipse.ui.texteditor.AbstractDecoratedTextEditorPreferenceConstants;
-
/**
* Uses the {@link net.sourceforge.phpdt.internal.ui.text.JavaHeuristicScanner}to
* get the indentation level for a certain position in a document.
*
* <p>
- * An instance holds some internal position in the document and is therefore
- * not threadsafe.
+ * An instance holds some internal position in the document and is therefore not
+ * threadsafe.
* </p>
*
* @since 3.0
/** The document being scanned. */
private IDocument fDocument;
+
/** The indentation accumulated by <code>findPreviousIndenationUnit</code>. */
private int fIndent;
+
/**
* The absolute (character-counted) indentation offset for special cases
* (method defs, array initializers)
*/
private int fAlign;
+
/** The stateful scanposition for the indentation methods. */
private int fPosition;
+
/** The previous position. */
private int fPreviousPos;
+
/** The most recent token. */
private int fToken;
+
/** The line of <code>fPosition</code>. */
private int fLine;
+
/**
- * The scanner we will use to scan the document. It has to be installed
- * on the same document as the one we get.
+ * The scanner we will use to scan the document. It has to be installed on
+ * the same document as the one we get.
*/
private JavaHeuristicScanner fScanner;
/**
* Creates a new instance.
*
- * @param document the document to scan
- * @param scanner the {@link JavaHeuristicScanner} to be used for scanning
- * the document. It must be installed on the same <code>IDocument</code>.
+ * @param document
+ * the document to scan
+ * @param scanner
+ * the {@link JavaHeuristicScanner} to be used for scanning the
+ * document. It must be installed on the same
+ * <code>IDocument</code>.
*/
public JavaIndenter(IDocument document, JavaHeuristicScanner scanner) {
Assert.isNotNull(document);
Assert.isNotNull(scanner);
- fDocument= document;
- fScanner= scanner;
+ fDocument = document;
+ fScanner = scanner;
}
/**
* Computes the indentation at the reference point of <code>position</code>.
*
- * @param offset the offset in the document
+ * @param offset
+ * the offset in the document
* @return a String which reflects the indentation at the line in which the
- * reference position to <code>offset</code> resides, or <code>null</code>
- * if it cannot be determined
+ * reference position to <code>offset</code> resides, or
+ * <code>null</code> if it cannot be determined
*/
public StringBuffer getReferenceIndentation(int offset) {
return getReferenceIndentation(offset, false);
/**
* Computes the indentation at the reference point of <code>position</code>.
*
- * @param offset the offset in the document
- * @param assumeOpeningBrace <code>true</code> if an opening brace should be assumed
+ * @param offset
+ * the offset in the document
+ * @param assumeOpeningBrace
+ * <code>true</code> if an opening brace should be assumed
* @return a String which reflects the indentation at the line in which the
- * reference position to <code>offset</code> resides, or <code>null</code>
- * if it cannot be determined
+ * reference position to <code>offset</code> resides, or
+ * <code>null</code> if it cannot be determined
*/
- private StringBuffer getReferenceIndentation(int offset, boolean assumeOpeningBrace) {
+ private StringBuffer getReferenceIndentation(int offset,
+ boolean assumeOpeningBrace) {
int unit;
if (assumeOpeningBrace)
- unit= findReferencePosition(offset, Symbols.TokenLBRACE);
+ unit = findReferencePosition(offset, Symbols.TokenLBRACE);
else
- unit= findReferencePosition(offset, peekChar(offset));
+ unit = findReferencePosition(offset, peekChar(offset));
// if we were unable to find anything, return null
if (unit == JavaHeuristicScanner.NOT_FOUND)
/**
* Computes the indentation at <code>offset</code>.
*
- * @param offset the offset in the document
+ * @param offset
+ * the offset in the document
* @return a String which reflects the correct indentation for the line in
* which offset resides, or <code>null</code> if it cannot be
* determined
/**
* Computes the indentation at <code>offset</code>.
*
- * @param offset the offset in the document
- * @param assumeOpeningBrace <code>true</code> if an opening brace should be assumed
+ * @param offset
+ * the offset in the document
+ * @param assumeOpeningBrace
+ * <code>true</code> if an opening brace should be assumed
* @return a String which reflects the correct indentation for the line in
* which offset resides, or <code>null</code> if it cannot be
* determined
*/
- public StringBuffer computeIndentation(int offset, boolean assumeOpeningBrace) {
+ public StringBuffer computeIndentation(int offset,
+ boolean assumeOpeningBrace) {
- StringBuffer indent= getReferenceIndentation(offset, assumeOpeningBrace);
+ StringBuffer indent = getReferenceIndentation(offset,
+ assumeOpeningBrace);
// handle special alignment
if (fAlign != JavaHeuristicScanner.NOT_FOUND) {
try {
// a special case has been detected.
- IRegion line= fDocument.getLineInformationOfOffset(fAlign);
- int lineOffset= line.getOffset();
+ IRegion line = fDocument.getLineInformationOfOffset(fAlign);
+ int lineOffset = line.getOffset();
return createIndent(lineOffset, fAlign);
} catch (BadLocationException e) {
return null;
/**
* Returns the indentation of the line at <code>offset</code> as a
- * <code>StringBuffer</code>. If the offset is not valid, the empty string
- * is returned.
+ * <code>StringBuffer</code>. If the offset is not valid, the empty
+ * string is returned.
*
- * @param offset the offset in the document
+ * @param offset
+ * the offset in the document
* @return the indentation (leading whitespace) of the line in which
- * <code>offset</code> is located
+ * <code>offset</code> is located
*/
private StringBuffer getLeadingWhitespace(int offset) {
- StringBuffer indent= new StringBuffer();
+ StringBuffer indent = new StringBuffer();
try {
- IRegion line= fDocument.getLineInformationOfOffset(offset);
- int lineOffset= line.getOffset();
- int nonWS= fScanner.findNonWhitespaceForwardInAnyPartition(lineOffset, lineOffset + line.getLength());
+ IRegion line = fDocument.getLineInformationOfOffset(offset);
+ int lineOffset = line.getOffset();
+ int nonWS = fScanner.findNonWhitespaceForwardInAnyPartition(
+ lineOffset, lineOffset + line.getLength());
indent.append(fDocument.get(lineOffset, nonWS - lineOffset));
return indent;
} catch (BadLocationException e) {
/**
* Reduces indentation in <code>indent</code> by one indentation unit.
*
- * @param indent the indentation to be modified
+ * @param indent
+ * the indentation to be modified
*/
private void unindent(StringBuffer indent) {
- CharSequence oneIndent= createIndent();
- int i= indent.lastIndexOf(oneIndent.toString()); //$NON-NLS-1$
+ CharSequence oneIndent = createIndent();
+ int i = indent.lastIndexOf(oneIndent.toString()); //$NON-NLS-1$
if (i != -1) {
indent.delete(i, i + oneIndent.length());
}
* [start, indent), with every character replaced by a space except for
* tabs, which are kept as such.
*
- * <p>Every run of the number of spaces that make up a tab are replaced
- * by a tab character.</p>
+ * <p>
+ * Every run of the number of spaces that make up a tab are replaced by a
+ * tab character.
+ * </p>
*
* @return the indentation corresponding to the document content specified
* by <code>start</code> and <code>indent</code>
*/
private StringBuffer createIndent(int start, int indent) {
- final int tabLen= prefTabLength();
- StringBuffer ret= new StringBuffer();
+ final int tabLen = prefTabLength();
+ StringBuffer ret = new StringBuffer();
try {
- int spaces= 0;
+ int spaces = 0;
while (start < indent) {
- char ch= fDocument.getChar(start);
+ char ch = fDocument.getChar(start);
if (ch == '\t') {
ret.append('\t');
- spaces= 0;
- } else if (tabLen == -1){
+ spaces = 0;
+ } else if (tabLen == -1) {
ret.append(' ');
} else {
spaces++;
if (spaces == tabLen) {
ret.append('\t');
- spaces= 0;
+ spaces = 0;
}
}
* Creates a string that represents the given number of indents (can be
* spaces or tabs..)
*
- * @param indent the requested indentation level.
+ * @param indent
+ * the requested indentation level.
*
* @return the indentation specified by <code>indent</code>
*/
public StringBuffer createIndent(int indent) {
- StringBuffer oneIndent= createIndent();
+ StringBuffer oneIndent = createIndent();
- StringBuffer ret= new StringBuffer();
+ StringBuffer ret = new StringBuffer();
while (indent-- > 0)
ret.append(oneIndent);
}
/**
- * Creates a string that represents one indent (can be
- * spaces or tabs..)
+ * Creates a string that represents one indent (can be spaces or tabs..)
*
* @return one indentation
*/
private StringBuffer createIndent() {
- // get a sensible default when running without the infrastructure for testing
- StringBuffer oneIndent= new StringBuffer();
-// JavaCore plugin= JavaCore.getJavaCore();
+ // get a sensible default when running without the infrastructure for
+ // testing
+ StringBuffer oneIndent = new StringBuffer();
+ // JavaCore plugin= JavaCore.getJavaCore();
PHPeclipsePlugin plugin = PHPeclipsePlugin.getDefault();
if (plugin == null) {
oneIndent.append('\t');
} else {
- if (JavaCore.SPACE.equals(JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR))) {
- int tabLen= Integer.parseInt(JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE));
- for (int i= 0; i < tabLen; i++)
+ if (JavaCore.SPACE
+ .equals(JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR))) {
+ int tabLen = Integer
+ .parseInt(JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE));
+ for (int i = 0; i < tabLen; i++)
oneIndent.append(' ');
- } else if (JavaCore.TAB.equals(JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR)))
+ } else if (JavaCore.TAB
+ .equals(JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR)))
oneIndent.append('\t');
else
oneIndent.append('\t'); // default
}
/**
- * Returns the reference position regarding to indentation for <code>offset</code>,
- * or <code>NOT_FOUND</code>. This method calls
- * {@link #findReferencePosition(int, int) findReferencePosition(offset, nextChar)} where
- * <code>nextChar</code> is the next character after <code>offset</code>.
+ * Returns the reference position regarding to indentation for
+ * <code>offset</code>, or <code>NOT_FOUND</code>. This method calls
+ * {@link #findReferencePosition(int, int) findReferencePosition(offset, nextChar)}
+ * where <code>nextChar</code> is the next character after
+ * <code>offset</code>.
*
- * @param offset the offset for which the reference is computed
+ * @param offset
+ * the offset for which the reference is computed
* @return the reference statement relative to which <code>offset</code>
* should be indented, or {@link JavaHeuristicScanner#NOT_FOUND}
*/
* Peeks the next char in the document that comes after <code>offset</code>
* on the same line as <code>offset</code>.
*
- * @param offset the offset into document
- * @return the token symbol of the next element, or TokenEOF if there is none
+ * @param offset
+ * the offset into document
+ * @return the token symbol of the next element, or TokenEOF if there is
+ * none
*/
private int peekChar(int offset) {
if (offset < fDocument.getLength()) {
try {
- IRegion line= fDocument.getLineInformationOfOffset(offset);
- int lineOffset= line.getOffset();
- int next= fScanner.nextToken(offset, lineOffset + line.getLength());
+ IRegion line = fDocument.getLineInformationOfOffset(offset);
+ int lineOffset = line.getOffset();
+ int next = fScanner.nextToken(offset, lineOffset
+ + line.getLength());
return next;
} catch (BadLocationException e) {
}
}
/**
- * Returns the reference position regarding to indentation for <code>position</code>,
- * or <code>NOT_FOUND</code>.
+ * Returns the reference position regarding to indentation for
+ * <code>position</code>, or <code>NOT_FOUND</code>.
*
- * <p>If <code>peekNextChar</code> is <code>true</code>, the next token after
- * <code>offset</code> is read and taken into account when computing the
- * indentation. Currently, if the next token is the first token on the line
- * (i.e. only preceded by whitespace), the following tokens are specially
- * handled:
+ * <p>
+ * If <code>peekNextChar</code> is <code>true</code>, the next token
+ * after <code>offset</code> is read and taken into account when computing
+ * the indentation. Currently, if the next token is the first token on the
+ * line (i.e. only preceded by whitespace), the following tokens are
+ * specially handled:
* <ul>
- * <li><code>switch</code> labels are indented relative to the switch block</li>
- * <li>opening curly braces are aligned correctly with the introducing code</li>
- * <li>closing curly braces are aligned properly with the introducing code of
- * the matching opening brace</li>
- * <li>closing parenthesis' are aligned with their opening peer</li>
- * <li>the <code>else</code> keyword is aligned with its <code>if</code>, anything
- * else is aligned normally (i.e. with the base of any introducing statements).</li>
- * <li>if there is no token on the same line after <code>offset</code>, the indentation
- * is the same as for an <code>else</code> keyword</li>
+ * <li><code>switch</code> labels are indented relative to the switch
+ * block</li>
+ * <li>opening curly braces are aligned correctly with the introducing code</li>
+ * <li>closing curly braces are aligned properly with the introducing code
+ * of the matching opening brace</li>
+ * <li>closing parenthesis' are aligned with their opening peer</li>
+ * <li>the <code>else</code> keyword is aligned with its <code>if</code>,
+ * anything else is aligned normally (i.e. with the base of any introducing
+ * statements).</li>
+ * <li>if there is no token on the same line after <code>offset</code>,
+ * the indentation is the same as for an <code>else</code> keyword</li>
* </ul>
*
- * @param offset the offset for which the reference is computed
- * @param nextToken the next token to assume in the document
+ * @param offset
+ * the offset for which the reference is computed
+ * @param nextToken
+ * the next token to assume in the document
* @return the reference statement relative to which <code>offset</code>
* should be indented, or {@link JavaHeuristicScanner#NOT_FOUND}
*/
public int findReferencePosition(int offset, int nextToken) {
- boolean danglingElse= false;
- boolean unindent= false;
- boolean indent= false;
- boolean matchBrace= false;
- boolean matchParen= false;
- boolean matchCase= false;
-
- // account for unindenation characters already typed in, but after position
+ boolean danglingElse = false;
+ boolean unindent = false;
+ boolean indent = false;
+ boolean matchBrace = false;
+ boolean matchParen = false;
+ boolean matchCase = false;
+
+ // account for unindenation characters already typed in, but after
+ // position
// if they are on a line by themselves, the indentation gets adjusted
// accordingly
//
// also account for a dangling else
if (offset < fDocument.getLength()) {
try {
- IRegion line= fDocument.getLineInformationOfOffset(offset);
- int lineOffset= line.getOffset();
- int prevPos= Math.max(offset - 1, 0);
- boolean isFirstTokenOnLine= fDocument.get(lineOffset, prevPos + 1 - lineOffset).trim().length() == 0;
- int prevToken= fScanner.previousToken(prevPos, JavaHeuristicScanner.UNBOUND);
- boolean bracelessBlockStart= fScanner.isBracelessBlockStart(prevPos, JavaHeuristicScanner.UNBOUND);
+ IRegion line = fDocument.getLineInformationOfOffset(offset);
+ int lineOffset = line.getOffset();
+ int prevPos = Math.max(offset - 1, 0);
+ boolean isFirstTokenOnLine = fDocument.get(lineOffset,
+ prevPos + 1 - lineOffset).trim().length() == 0;
+ int prevToken = fScanner.previousToken(prevPos,
+ JavaHeuristicScanner.UNBOUND);
+ boolean bracelessBlockStart = fScanner.isBracelessBlockStart(
+ prevPos, JavaHeuristicScanner.UNBOUND);
switch (nextToken) {
- case Symbols.TokenEOF:
- case Symbols.TokenELSE:
- danglingElse= true;
- break;
- case Symbols.TokenCASE:
- case Symbols.TokenDEFAULT:
- if (isFirstTokenOnLine)
- matchCase= true;
- break;
- case Symbols.TokenLBRACE: // for opening-brace-on-new-line style
-// if (bracelessBlockStart && !prefIndentBracesForBlocks())
-// unindent= true;
-// else if ((prevToken == Symbols.TokenCOLON || prevToken == Symbols.TokenEQUAL || prevToken == Symbols.TokenRBRACKET) && !prefIndentBracesForArrays())
-// unindent= true;
-// else if (!bracelessBlockStart && prefIndentBracesForMethods())
-// indent= true;
-// break;
- if (bracelessBlockStart )
- unindent= true;
- else if ((prevToken == Symbols.TokenCOLON || prevToken == Symbols.TokenEQUAL || prevToken == Symbols.TokenRBRACKET) )
- unindent= true;
- else if (!bracelessBlockStart)
- indent= true;
- break;
- case Symbols.TokenRBRACE: // closing braces get unindented
- if (isFirstTokenOnLine)
- matchBrace= true;
- break;
- case Symbols.TokenRPAREN:
- if (isFirstTokenOnLine)
- matchParen= true;
- break;
- }
+ case Symbols.TokenEOF:
+ case Symbols.TokenELSE:
+ danglingElse = true;
+ break;
+ case Symbols.TokenCASE:
+ case Symbols.TokenDEFAULT:
+ if (isFirstTokenOnLine)
+ matchCase = true;
+ break;
+ case Symbols.TokenLBRACE: // for opening-brace-on-new-line
+ // style
+ // if (bracelessBlockStart && !prefIndentBracesForBlocks())
+ // unindent= true;
+ // else if ((prevToken == Symbols.TokenCOLON || prevToken ==
+ // Symbols.TokenEQUAL || prevToken == Symbols.TokenRBRACKET) &&
+ // !prefIndentBracesForArrays())
+ // unindent= true;
+ // else if (!bracelessBlockStart &&
+ // prefIndentBracesForMethods())
+ // indent= true;
+ // break;
+ if (bracelessBlockStart)
+ unindent = true;
+ else if ((prevToken == Symbols.TokenCOLON
+ || prevToken == Symbols.TokenEQUAL || prevToken == Symbols.TokenRBRACKET))
+ unindent = true;
+ else if (!bracelessBlockStart)
+ indent = true;
+ break;
+ case Symbols.TokenRBRACE: // closing braces get unindented
+ if (isFirstTokenOnLine)
+ matchBrace = true;
+ break;
+ case Symbols.TokenRPAREN:
+ if (isFirstTokenOnLine)
+ matchParen = true;
+ break;
+ }
} catch (BadLocationException e) {
}
} else {
// assume an else could come if we are at the end of file
- danglingElse= true;
+ danglingElse = true;
}
- int ref= findReferencePosition(offset, danglingElse, matchBrace, matchParen, matchCase);
+ int ref = findReferencePosition(offset, danglingElse, matchBrace,
+ matchParen, matchCase);
if (unindent)
fIndent--;
if (indent)
}
/**
- * Returns the reference position regarding to indentation for <code>position</code>,
- * or <code>NOT_FOUND</code>.<code>fIndent</code> will contain the
- * relative indentation (in indentation units, not characters) after the
- * call. If there is a special alignment (e.g. for a method declaration
- * where parameters should be aligned), <code>fAlign</code> will contain
- * the absolute position of the alignment reference in <code>fDocument</code>,
- * otherwise <code>fAlign</code> is set to <code>JavaHeuristicScanner.NOT_FOUND</code>.
+ * Returns the reference position regarding to indentation for
+ * <code>position</code>, or <code>NOT_FOUND</code>.<code>fIndent</code>
+ * will contain the relative indentation (in indentation units, not
+ * characters) after the call. If there is a special alignment (e.g. for a
+ * method declaration where parameters should be aligned),
+ * <code>fAlign</code> will contain the absolute position of the alignment
+ * reference in <code>fDocument</code>, otherwise <code>fAlign</code>
+ * is set to <code>JavaHeuristicScanner.NOT_FOUND</code>.
*
- * @param offset the offset for which the reference is computed
- * @param danglingElse whether a dangling else should be assumed at <code>position</code>
- * @param matchBrace whether the position of the matching brace should be
+ * @param offset
+ * the offset for which the reference is computed
+ * @param danglingElse
+ * whether a dangling else should be assumed at
+ * <code>position</code>
+ * @param matchBrace
+ * whether the position of the matching brace should be returned
+ * instead of doing code analysis
+ * @param matchParen
+ * whether the position of the matching parenthesis should be
* returned instead of doing code analysis
- * @param matchParen whether the position of the matching parenthesis
- * should be returned instead of doing code analysis
- * @param matchCase whether the position of a switch statement reference
- * should be returned (either an earlier case statement or the
- * switch block brace)
+ * @param matchCase
+ * whether the position of a switch statement reference should be
+ * returned (either an earlier case statement or the switch block
+ * brace)
* @return the reference statement relative to which <code>position</code>
* should be indented, or {@link JavaHeuristicScanner#NOT_FOUND}
*/
- public int findReferencePosition(int offset, boolean danglingElse, boolean matchBrace, boolean matchParen, boolean matchCase) {
- fIndent= 0; // the indentation modification
- fAlign= JavaHeuristicScanner.NOT_FOUND;
- fPosition= offset;
+ public int findReferencePosition(int offset, boolean danglingElse,
+ boolean matchBrace, boolean matchParen, boolean matchCase) {
+ fIndent = 0; // the indentation modification
+ fAlign = JavaHeuristicScanner.NOT_FOUND;
+ fPosition = offset;
// forward cases
- // an unindentation happens sometimes if the next token is special, namely on braces, parens and case labels
- // align braces, but handle the case where we align with the method declaration start instead of
+ // an unindentation happens sometimes if the next token is special,
+ // namely on braces, parens and case labels
+ // align braces, but handle the case where we align with the method
+ // declaration start instead of
// the opening brace.
-// if (matchBrace) {
-// if (skipScope(Symbols.TokenLBRACE, Symbols.TokenRBRACE)) {
-// try {
-// // align with the opening brace that is on a line by its own
-// int lineOffset= fDocument.getLineOffset(fLine);
-// if (lineOffset <= fPosition && fDocument.get(lineOffset, fPosition - lineOffset).trim().length() == 0)
-// return fPosition;
-// } catch (BadLocationException e) {
-// // concurrent modification - walk default path
-// }
-// // if the opening brace is not on the start of the line, skip to the start
-// int pos= skipToStatementStart(true, true);
-// fIndent= 0; // indent is aligned with reference position
-// return pos;
-// } else {
-// // if we can't find the matching brace, the heuristic is to unindent
-// // by one against the normal position
-// int pos= findReferencePosition(offset, danglingElse, false, matchParen, matchCase);
-// fIndent--;
-// return pos;
-// }
-// }
+ // if (matchBrace) {
+ // if (skipScope(Symbols.TokenLBRACE, Symbols.TokenRBRACE)) {
+ // try {
+ // // align with the opening brace that is on a line by its own
+ // int lineOffset= fDocument.getLineOffset(fLine);
+ // if (lineOffset <= fPosition && fDocument.get(lineOffset, fPosition -
+ // lineOffset).trim().length() == 0)
+ // return fPosition;
+ // } catch (BadLocationException e) {
+ // // concurrent modification - walk default path
+ // }
+ // // if the opening brace is not on the start of the line, skip to the
+ // start
+ // int pos= skipToStatementStart(true, true);
+ // fIndent= 0; // indent is aligned with reference position
+ // return pos;
+ // } else {
+ // // if we can't find the matching brace, the heuristic is to unindent
+ // // by one against the normal position
+ // int pos= findReferencePosition(offset, danglingElse, false,
+ // matchParen, matchCase);
+ // fIndent--;
+ // return pos;
+ // }
+ // }
// align parenthesis'
if (matchParen) {
if (skipScope(Symbols.TokenLPAREN, Symbols.TokenRPAREN))
return fPosition;
else {
- // if we can't find the matching paren, the heuristic is to unindent
+ // if we can't find the matching paren, the heuristic is to
+ // unindent
// by one against the normal position
- int pos= findReferencePosition(offset, danglingElse, matchBrace, false, matchCase);
+ int pos = findReferencePosition(offset, danglingElse,
+ matchBrace, false, matchCase);
fIndent--;
return pos;
}
}
- // the only reliable way to get case labels aligned (due to many different styles of using braces in a block)
+ // the only reliable way to get case labels aligned (due to many
+ // different styles of using braces in a block)
// is to go for another case statement, or the scope opening brace
-// if (matchCase) {
-// return matchCaseAlignment();
-// }
+ // if (matchCase) {
+ // return matchCaseAlignment();
+ // }
nextToken();
switch (fToken) {
- case Symbols.TokenRBRACE:
- // skip the block and fall through
- // if we can't complete the scope, reset the scan position
- int pos= fPosition;
- if (!skipScope())
- fPosition= pos;
- case Symbols.TokenSEMICOLON:
- // this is the 90% case: after a statement block
- // the end of the previous statement / block previous.end
- // search to the end of the statement / block before the previous; the token just after that is previous.start
- return skipToStatementStart(danglingElse, false);
+ case Symbols.TokenRBRACE:
+ // skip the block and fall through
+ // if we can't complete the scope, reset the scan position
+ int pos = fPosition;
+ if (!skipScope())
+ fPosition = pos;
+ case Symbols.TokenSEMICOLON:
+ // this is the 90% case: after a statement block
+ // the end of the previous statement / block previous.end
+ // search to the end of the statement / block before the previous;
+ // the token just after that is previous.start
+ return skipToStatementStart(danglingElse, false);
// scope introduction: special treat who special is
- case Symbols.TokenLPAREN:
- case Symbols.TokenLBRACE:
- case Symbols.TokenLBRACKET:
- return handleScopeIntroduction(offset + 1);
-
- case Symbols.TokenEOF:
- // trap when hitting start of document
- return 0;
-
- case Symbols.TokenEQUAL:
- // indent assignments
- fIndent= prefAssignmentIndent();
+ case Symbols.TokenLPAREN:
+ case Symbols.TokenLBRACE:
+ case Symbols.TokenLBRACKET:
+ return handleScopeIntroduction(offset + 1);
+
+ case Symbols.TokenEOF:
+ // trap when hitting start of document
+ return 0;
+
+ case Symbols.TokenEQUAL:
+ // indent assignments
+ fIndent = prefAssignmentIndent();
+ return fPosition;
+
+ case Symbols.TokenCOLON:
+ // TODO handle ternary deep indentation
+ fIndent = prefCaseBlockIndent();
+ return fPosition;
+
+ case Symbols.TokenQUESTIONMARK:
+ if (prefTernaryDeepAlign()) {
+ setFirstElementAlignment(fPosition, offset + 1);
return fPosition;
-
- case Symbols.TokenCOLON:
- // TODO handle ternary deep indentation
- fIndent= prefCaseBlockIndent();
+ } else {
+ fIndent = prefTernaryIndent();
return fPosition;
+ }
- case Symbols.TokenQUESTIONMARK:
- if (prefTernaryDeepAlign()) {
- setFirstElementAlignment(fPosition, offset + 1);
- return fPosition;
- } else {
- fIndent= prefTernaryIndent();
+ // indentation for blockless introducers:
+ case Symbols.TokenDO:
+ case Symbols.TokenWHILE:
+ case Symbols.TokenELSE:
+ fIndent = prefSimpleIndent();
+ return fPosition;
+ case Symbols.TokenRPAREN:
+ int line = fLine;
+ if (skipScope(Symbols.TokenLPAREN, Symbols.TokenRPAREN)) {
+ int scope = fPosition;
+ nextToken();
+ if (fToken == Symbols.TokenIF || fToken == Symbols.TokenWHILE
+ || fToken == Symbols.TokenFOR) {
+ fIndent = prefSimpleIndent();
return fPosition;
}
-
- // indentation for blockless introducers:
- case Symbols.TokenDO:
- case Symbols.TokenWHILE:
- case Symbols.TokenELSE:
- fIndent= prefSimpleIndent();
- return fPosition;
- case Symbols.TokenRPAREN:
- int line= fLine;
- if (skipScope(Symbols.TokenLPAREN, Symbols.TokenRPAREN)) {
- int scope= fPosition;
- nextToken();
- if (fToken == Symbols.TokenIF || fToken == Symbols.TokenWHILE || fToken == Symbols.TokenFOR) {
- fIndent= prefSimpleIndent();
- return fPosition;
- }
- fPosition= scope;
- if (looksLikeMethodDecl()) {
- return skipToStatementStart(danglingElse, false);
- }
+ fPosition = scope;
+ if (looksLikeMethodDecl()) {
+ return skipToStatementStart(danglingElse, false);
}
- // restore
- fPosition= offset;
- fLine= line;
- // else: fall through to default
-
- case Symbols.TokenCOMMA:
- // inside a list of some type
- // easy if there is already a list item before with its own indentation - we just align
- // if not: take the start of the list ( LPAREN, LBRACE, LBRACKET ) and either align or
- // indent by list-indent
- default:
- // inside whatever we don't know about: similar to the list case:
- // if we are inside a continued expression, then either align with a previous line that has indentation
- // or indent from the expression start line (either a scope introducer or the start of the expr).
- return skipToPreviousListItemOrListStart();
+ }
+ // restore
+ fPosition = offset;
+ fLine = line;
+ // else: fall through to default
+
+ case Symbols.TokenCOMMA:
+ // inside a list of some type
+ // easy if there is already a list item before with its own
+ // indentation - we just align
+ // if not: take the start of the list ( LPAREN, LBRACE, LBRACKET )
+ // and either align or
+ // indent by list-indent
+ default:
+ // inside whatever we don't know about: similar to the list case:
+ // if we are inside a continued expression, then either align with a
+ // previous line that has indentation
+ // or indent from the expression start line (either a scope
+ // introducer or the start of the expr).
+ return skipToPreviousListItemOrListStart();
}
}
/**
* Skips to the start of a statement that ends at the current position.
*
- * @param danglingElse whether to indent aligned with the last <code>if</code>
- * @param isInBlock whether the current position is inside a block, which limits the search scope to the next scope introducer
- * @return the reference offset of the start of the statement
+ * @param danglingElse
+ * whether to indent aligned with the last <code>if</code>
+ * @param isInBlock
+ * whether the current position is inside a block, which limits
+ * the search scope to the next scope introducer
+ * @return the reference offset of the start of the statement
*/
private int skipToStatementStart(boolean danglingElse, boolean isInBlock) {
while (true) {
if (isInBlock) {
switch (fToken) {
- // exit on all block introducers
- case Symbols.TokenIF:
- case Symbols.TokenELSE:
- case Symbols.TokenSYNCHRONIZED:
- case Symbols.TokenCOLON:
- case Symbols.TokenSTATIC:
- case Symbols.TokenCATCH:
- case Symbols.TokenDO:
- case Symbols.TokenWHILE:
- case Symbols.TokenFINALLY:
- case Symbols.TokenFOR:
- case Symbols.TokenTRY:
- return fPosition;
-
- case Symbols.TokenSWITCH:
- fIndent= prefCaseIndent();
- return fPosition;
+ // exit on all block introducers
+ case Symbols.TokenIF:
+ case Symbols.TokenELSE:
+ case Symbols.TokenSYNCHRONIZED:
+ case Symbols.TokenCOLON:
+ case Symbols.TokenSTATIC:
+ case Symbols.TokenCATCH:
+ case Symbols.TokenDO:
+ case Symbols.TokenWHILE:
+ case Symbols.TokenFINALLY:
+ case Symbols.TokenFOR:
+ case Symbols.TokenTRY:
+ return fPosition;
+
+ case Symbols.TokenSWITCH:
+ fIndent = prefCaseIndent();
+ return fPosition;
}
}
switch (fToken) {
- // scope introduction through: LPAREN, LBRACE, LBRACKET
- // search stop on SEMICOLON, RBRACE, COLON, EOF
- // -> the next token is the start of the statement (i.e. previousPos when backward scanning)
- case Symbols.TokenLPAREN:
- case Symbols.TokenLBRACE:
- case Symbols.TokenLBRACKET:
- case Symbols.TokenSEMICOLON:
- case Symbols.TokenEOF:
- return fPreviousPos;
+ // scope introduction through: LPAREN, LBRACE, LBRACKET
+ // search stop on SEMICOLON, RBRACE, COLON, EOF
+ // -> the next token is the start of the statement (i.e. previousPos
+ // when backward scanning)
+ case Symbols.TokenLPAREN:
+ case Symbols.TokenLBRACE:
+ case Symbols.TokenLBRACKET:
+ case Symbols.TokenSEMICOLON:
+ case Symbols.TokenEOF:
+ return fPreviousPos;
- case Symbols.TokenCOLON:
- int pos= fPreviousPos;
- if (!isConditional())
- return pos;
- break;
+ case Symbols.TokenCOLON:
+ int pos = fPreviousPos;
+ if (!isConditional())
+ return pos;
+ break;
- case Symbols.TokenRBRACE:
- // RBRACE is a little tricky: it can be the end of an array definition, but
- // usually it is the end of a previous block
- pos= fPreviousPos; // store state
- if (skipScope() && looksLikeArrayInitializerIntro())
- continue; // it's an array
- else
- return pos; // it's not - do as with all the above
+ case Symbols.TokenRBRACE:
+ // RBRACE is a little tricky: it can be the end of an array
+ // definition, but
+ // usually it is the end of a previous block
+ pos = fPreviousPos; // store state
+ if (skipScope() && looksLikeArrayInitializerIntro())
+ continue; // it's an array
+ else
+ return pos; // it's not - do as with all the above
// scopes: skip them
- case Symbols.TokenRPAREN:
- case Symbols.TokenRBRACKET:
- pos= fPreviousPos;
- if (skipScope())
- break;
- else
- return pos;
+ case Symbols.TokenRPAREN:
+ case Symbols.TokenRBRACKET:
+ pos = fPreviousPos;
+ if (skipScope())
+ break;
+ else
+ return pos;
- // IF / ELSE: align the position after the conditional block with the if
+ // IF / ELSE: align the position after the conditional block
+ // with the if
// so we are ready for an else, except if danglingElse is false
// in order for this to work, we must skip an else to its if
- case Symbols.TokenIF:
- if (danglingElse)
- return fPosition;
- else
- break;
- case Symbols.TokenELSE:
- // skip behind the next if, as we have that one covered
- pos= fPosition;
- if (skipNextIF())
- break;
- else
- return pos;
-
- case Symbols.TokenDO:
- // align the WHILE position with its do
+ case Symbols.TokenIF:
+ if (danglingElse)
return fPosition;
+ else
+ break;
+ case Symbols.TokenELSE:
+ // skip behind the next if, as we have that one covered
+ pos = fPosition;
+ if (skipNextIF())
+ break;
+ else
+ return pos;
- case Symbols.TokenWHILE:
- // this one is tricky: while can be the start of a while loop
- // or the end of a do - while
- pos= fPosition;
- if (hasMatchingDo()) {
- // continue searching from the DO on
- break;
- } else {
- // continue searching from the WHILE on
- fPosition= pos;
- break;
- }
- default:
- // keep searching
+ case Symbols.TokenDO:
+ // align the WHILE position with its do
+ return fPosition;
+
+ case Symbols.TokenWHILE:
+ // this one is tricky: while can be the start of a while loop
+ // or the end of a do - while
+ pos = fPosition;
+ if (hasMatchingDo()) {
+ // continue searching from the DO on
+ break;
+ } else {
+ // continue searching from the WHILE on
+ fPosition = pos;
+ break;
+ }
+ default:
+ // keep searching
}
}
/**
- * Returns true if the colon at the current position is part of a conditional
- * (ternary) expression, false otherwise.
+ * Returns true if the colon at the current position is part of a
+ * conditional (ternary) expression, false otherwise.
*
- * @return true if the colon at the current position is part of a conditional
+ * @return true if the colon at the current position is part of a
+ * conditional
*/
private boolean isConditional() {
while (true) {
nextToken();
switch (fToken) {
- // search for case, otherwise return true
- case Symbols.TokenIDENT:
- continue;
- case Symbols.TokenCASE:
- return false;
+ // search for case, otherwise return true
+ case Symbols.TokenIDENT:
+ continue;
+ case Symbols.TokenCASE:
+ return false;
- default:
- return true;
+ default:
+ return true;
}
}
}
/**
* Returns as a reference any previous <code>switch</code> labels (<code>case</code>
- * or <code>default</code>) or the offset of the brace that scopes the switch
- * statement. Sets <code>fIndent</code> to <code>prefCaseIndent</code> upon
- * a match.
- *
+ * or <code>default</code>) or the offset of the brace that scopes the
+ * switch statement. Sets <code>fIndent</code> to
+ * <code>prefCaseIndent</code> upon a match.
+ *
* @return the reference offset for a <code>switch</code> label
*/
-// private int matchCaseAlignment() {
-// while (true) {
-// nextToken();
-// switch (fToken) {
-// // invalid cases: another case label or an LBRACE must come before a case
-// // -> bail out with the current position
-// case Symbols.TokenLPAREN:
-// case Symbols.TokenLBRACKET:
-// case Symbols.TokenEOF:
-// return fPosition;
-// case Symbols.TokenLBRACE:
-// // opening brace of switch statement
-// fIndent= prefCaseIndent();
-// return fPosition;
-// case Symbols.TokenCASE:
-// case Symbols.TokenDEFAULT:
-// // align with previous label
-// fIndent= 0;
-// return fPosition;
-//
-// // scopes: skip them
-// case Symbols.TokenRPAREN:
-// case Symbols.TokenRBRACKET:
-// case Symbols.TokenRBRACE:
-// skipScope();
-// break;
-//
-// default:
-// // keep searching
-// continue;
-//
-// }
-// }
-// }
-
+ // private int matchCaseAlignment() {
+ // while (true) {
+ // nextToken();
+ // switch (fToken) {
+ // // invalid cases: another case label or an LBRACE must come before a case
+ // // -> bail out with the current position
+ // case Symbols.TokenLPAREN:
+ // case Symbols.TokenLBRACKET:
+ // case Symbols.TokenEOF:
+ // return fPosition;
+ // case Symbols.TokenLBRACE:
+ // // opening brace of switch statement
+ // fIndent= prefCaseIndent();
+ // return fPosition;
+ // case Symbols.TokenCASE:
+ // case Symbols.TokenDEFAULT:
+ // // align with previous label
+ // fIndent= 0;
+ // return fPosition;
+ //
+ // // scopes: skip them
+ // case Symbols.TokenRPAREN:
+ // case Symbols.TokenRBRACKET:
+ // case Symbols.TokenRBRACE:
+ // skipScope();
+ // break;
+ //
+ // default:
+ // // keep searching
+ // continue;
+ //
+ // }
+ // }
+ // }
/**
- * Returns the reference position for a list element. The algorithm
- * tries to match any previous indentation on the same list. If there is none,
- * the reference position returned is determined depending on the type of list:
+ * Returns the reference position for a list element. The algorithm tries to
+ * match any previous indentation on the same list. If there is none, the
+ * reference position returned is determined depending on the type of list:
* The indentation will either match the list scope introducer (e.g. for
* method declarations), so called deep indents, or simply increase the
- * indentation by a number of standard indents. See also {@link #handleScopeIntroduction(int)}.
+ * indentation by a number of standard indents. See also
+ * {@link #handleScopeIntroduction(int)}.
*
- * @return the reference position for a list item: either a previous list item
- * that has its own indentation, or the list introduction start.
+ * @return the reference position for a list item: either a previous list
+ * item that has its own indentation, or the list introduction
+ * start.
*/
private int skipToPreviousListItemOrListStart() {
- int startLine= fLine;
- int startPosition= fPosition;
+ int startLine = fLine;
+ int startPosition = fPosition;
while (true) {
nextToken();
// if any line item comes with its own indentation, adapt to it
if (fLine < startLine) {
try {
- int lineOffset= fDocument.getLineOffset(startLine);
- int bound= Math.min(fDocument.getLength(), startPosition + 1);
- fAlign= fScanner.findNonWhitespaceForwardInAnyPartition(lineOffset, bound);
+ int lineOffset = fDocument.getLineOffset(startLine);
+ int bound = Math.min(fDocument.getLength(),
+ startPosition + 1);
+ fAlign = fScanner.findNonWhitespaceForwardInAnyPartition(
+ lineOffset, bound);
} catch (BadLocationException e) {
// ignore and return just the position
}
}
switch (fToken) {
- // scopes: skip them
- case Symbols.TokenRPAREN:
- case Symbols.TokenRBRACKET:
- case Symbols.TokenRBRACE:
- skipScope();
- break;
+ // scopes: skip them
+ case Symbols.TokenRPAREN:
+ case Symbols.TokenRBRACKET:
+ case Symbols.TokenRBRACE:
+ skipScope();
+ break;
- // scope introduction: special treat who special is
- case Symbols.TokenLPAREN:
- case Symbols.TokenLBRACE:
- case Symbols.TokenLBRACKET:
- return handleScopeIntroduction(startPosition + 1);
+ // scope introduction: special treat who special is
+ case Symbols.TokenLPAREN:
+ case Symbols.TokenLBRACE:
+ case Symbols.TokenLBRACKET:
+ return handleScopeIntroduction(startPosition + 1);
- case Symbols.TokenSEMICOLON:
+ case Symbols.TokenSEMICOLON:
+ return fPosition;
+ case Symbols.TokenQUESTIONMARK:
+ if (prefTernaryDeepAlign()) {
+ setFirstElementAlignment(fPosition - 1, fPosition + 1);
return fPosition;
- case Symbols.TokenQUESTIONMARK:
- if (prefTernaryDeepAlign()) {
- setFirstElementAlignment(fPosition - 1, fPosition + 1);
- return fPosition;
- } else {
- fIndent= prefTernaryIndent();
- return fPosition;
- }
- case Symbols.TokenEOF:
- return 0;
+ } else {
+ fIndent = prefTernaryIndent();
+ return fPosition;
+ }
+ case Symbols.TokenEOF:
+ return 0;
}
}
}
/**
- * Skips a scope and positions the cursor (<code>fPosition</code>) on the
- * token that opens the scope. Returns <code>true</code> if a matching peer
- * could be found, <code>false</code> otherwise. The current token when calling
- * must be one out of <code>Symbols.TokenRPAREN</code>, <code>Symbols.TokenRBRACE</code>,
- * and <code>Symbols.TokenRBRACKET</code>.
+ * Skips a scope and positions the cursor (<code>fPosition</code>) on
+ * the token that opens the scope. Returns <code>true</code> if a matching
+ * peer could be found, <code>false</code> otherwise. The current token
+ * when calling must be one out of <code>Symbols.TokenRPAREN</code>,
+ * <code>Symbols.TokenRBRACE</code>, and
+ * <code>Symbols.TokenRBRACKET</code>.
*
- * @return <code>true</code> if a matching peer was found, <code>false</code> otherwise
+ * @return <code>true</code> if a matching peer was found,
+ * <code>false</code> otherwise
*/
private boolean skipScope() {
switch (fToken) {
- case Symbols.TokenRPAREN:
- return skipScope(Symbols.TokenLPAREN, Symbols.TokenRPAREN);
- case Symbols.TokenRBRACKET:
- return skipScope(Symbols.TokenLBRACKET, Symbols.TokenRBRACKET);
- case Symbols.TokenRBRACE:
- return skipScope(Symbols.TokenLBRACE, Symbols.TokenRBRACE);
- default:
- Assert.isTrue(false);
- return false;
+ case Symbols.TokenRPAREN:
+ return skipScope(Symbols.TokenLPAREN, Symbols.TokenRPAREN);
+ case Symbols.TokenRBRACKET:
+ return skipScope(Symbols.TokenLBRACKET, Symbols.TokenRBRACKET);
+ case Symbols.TokenRBRACE:
+ return skipScope(Symbols.TokenLBRACE, Symbols.TokenRBRACE);
+ default:
+ Assert.isTrue(false);
+ return false;
}
}
/**
- * Handles the introduction of a new scope. The current token must be one out
- * of <code>Symbols.TokenLPAREN</code>, <code>Symbols.TokenLBRACE</code>,
- * and <code>Symbols.TokenLBRACKET</code>. Returns as the reference position
- * either the token introducing the scope or - if available - the first
- * java token after that.
+ * Handles the introduction of a new scope. The current token must be one
+ * out of <code>Symbols.TokenLPAREN</code>,
+ * <code>Symbols.TokenLBRACE</code>, and
+ * <code>Symbols.TokenLBRACKET</code>. Returns as the reference position
+ * either the token introducing the scope or - if available - the first java
+ * token after that.
*
- * <p>Depending on the type of scope introduction, the indentation will align
- * (deep indenting) with the reference position (<code>fAlign</code> will be
- * set to the reference position) or <code>fIndent</code> will be set to
- * the number of indentation units.
+ * <p>
+ * Depending on the type of scope introduction, the indentation will align
+ * (deep indenting) with the reference position (<code>fAlign</code> will
+ * be set to the reference position) or <code>fIndent</code> will be set
+ * to the number of indentation units.
* </p>
*
- * @param bound the bound for the search for the first token after the scope
- * introduction.
+ * @param bound
+ * the bound for the search for the first token after the scope
+ * introduction.
* @return
*/
private int handleScopeIntroduction(int bound) {
switch (fToken) {
- // scope introduction: special treat who special is
- case Symbols.TokenLPAREN:
- int pos= fPosition; // store
+ // scope introduction: special treat who special is
+ case Symbols.TokenLPAREN:
+ int pos = fPosition; // store
- // special: method declaration deep indentation
- if (looksLikeMethodDecl()) {
- if (prefMethodDeclDeepIndent())
+ // special: method declaration deep indentation
+ if (looksLikeMethodDecl()) {
+ if (prefMethodDeclDeepIndent())
+ return setFirstElementAlignment(pos, bound);
+ else {
+ fIndent = prefMethodDeclIndent();
+ return pos;
+ }
+ } else {
+ fPosition = pos;
+ if (looksLikeMethodCall()) {
+ if (prefMethodCallDeepIndent())
return setFirstElementAlignment(pos, bound);
else {
- fIndent= prefMethodDeclIndent();
+ fIndent = prefMethodCallIndent();
return pos;
}
- } else {
- fPosition= pos;
- if (looksLikeMethodCall()) {
- if (prefMethodCallDeepIndent())
- return setFirstElementAlignment(pos, bound);
- else {
- fIndent= prefMethodCallIndent();
- return pos;
- }
- } else if (prefParenthesisDeepIndent())
- return setFirstElementAlignment(pos, bound);
- }
+ } else if (prefParenthesisDeepIndent())
+ return setFirstElementAlignment(pos, bound);
+ }
- // normal: return the parenthesis as reference
- fIndent= prefParenthesisIndent();
- return pos;
+ // normal: return the parenthesis as reference
+ fIndent = prefParenthesisIndent();
+ return pos;
- case Symbols.TokenLBRACE:
- pos= fPosition; // store
+ case Symbols.TokenLBRACE:
+ pos = fPosition; // store
- // special: array initializer
- if (looksLikeArrayInitializerIntro())
- if (prefArrayDeepIndent())
- return setFirstElementAlignment(pos, bound);
- else
- fIndent= prefArrayIndent();
+ // special: array initializer
+ if (looksLikeArrayInitializerIntro())
+ if (prefArrayDeepIndent())
+ return setFirstElementAlignment(pos, bound);
else
- fIndent= prefBlockIndent();
+ fIndent = prefArrayIndent();
+ else
+ fIndent = prefBlockIndent();
- // normal: skip to the statement start before the scope introducer
- // opening braces are often on differently ending indents than e.g. a method definition
- fPosition= pos; // restore
- return skipToStatementStart(true, true); // set to true to match the first if
+ // normal: skip to the statement start before the scope introducer
+ // opening braces are often on differently ending indents than e.g.
+ // a method definition
+ fPosition = pos; // restore
+ return skipToStatementStart(true, true); // set to true to match
+ // the first if
- case Symbols.TokenLBRACKET:
- pos= fPosition; // store
+ case Symbols.TokenLBRACKET:
+ pos = fPosition; // store
- // special: method declaration deep indentation
- if (prefArrayDimensionsDeepIndent()) {
- return setFirstElementAlignment(pos, bound);
- }
+ // special: method declaration deep indentation
+ if (prefArrayDimensionsDeepIndent()) {
+ return setFirstElementAlignment(pos, bound);
+ }
- // normal: return the bracket as reference
- fIndent= prefBracketIndent();
- return pos; // restore
+ // normal: return the bracket as reference
+ fIndent = prefBracketIndent();
+ return pos; // restore
- default:
- Assert.isTrue(false);
- return -1; // dummy
+ default:
+ Assert.isTrue(false);
+ return -1; // dummy
}
}
/**
- * Sets the deep indent offset (<code>fAlign</code>) to either the offset
- * right after <code>scopeIntroducerOffset</code> or - if available - the
- * first Java token after <code>scopeIntroducerOffset</code>, but before
- * <code>bound</code>.
+ * Sets the deep indent offset (<code>fAlign</code>) to either the
+ * offset right after <code>scopeIntroducerOffset</code> or - if available -
+ * the first Java token after <code>scopeIntroducerOffset</code>, but
+ * before <code>bound</code>.
*
- * @param scopeIntroducerOffset the offset of the scope introducer
- * @param bound the bound for the search for another element
+ * @param scopeIntroducerOffset
+ * the offset of the scope introducer
+ * @param bound
+ * the bound for the search for another element
* @return the reference position
*/
private int setFirstElementAlignment(int scopeIntroducerOffset, int bound) {
- int firstPossible= scopeIntroducerOffset + 1; // align with the first position after the scope intro
- fAlign= fScanner.findNonWhitespaceForwardInAnyPartition(firstPossible, bound);
+ int firstPossible = scopeIntroducerOffset + 1; // align with the first
+ // position after the
+ // scope intro
+ fAlign = fScanner.findNonWhitespaceForwardInAnyPartition(firstPossible,
+ bound);
if (fAlign == JavaHeuristicScanner.NOT_FOUND)
- fAlign= firstPossible;
+ fAlign = firstPossible;
return fAlign;
}
-
/**
* Returns <code>true</code> if the next token received after calling
- * <code>nextToken</code> is either an equal sign or an array designator ('[]').
+ * <code>nextToken</code> is either an equal sign or an array designator
+ * ('[]').
*
- * @return <code>true</code> if the next elements look like the start of an array definition
+ * @return <code>true</code> if the next elements look like the start of
+ * an array definition
*/
private boolean looksLikeArrayInitializerIntro() {
nextToken();
}
/**
- * Skips over the next <code>if</code> keyword. The current token when calling
- * this method must be an <code>else</code> keyword. Returns <code>true</code>
- * if a matching <code>if</code> could be found, <code>false</code> otherwise.
- * The cursor (<code>fPosition</code>) is set to the offset of the <code>if</code>
- * token.
+ * Skips over the next <code>if</code> keyword. The current token when
+ * calling this method must be an <code>else</code> keyword. Returns
+ * <code>true</code> if a matching <code>if</code> could be found,
+ * <code>false</code> otherwise. The cursor (<code>fPosition</code>)
+ * is set to the offset of the <code>if</code> token.
*
- * @return <code>true</code> if a matching <code>if</code> token was found, <code>false</code> otherwise
+ * @return <code>true</code> if a matching <code>if</code> token was
+ * found, <code>false</code> otherwise
*/
private boolean skipNextIF() {
Assert.isTrue(fToken == Symbols.TokenELSE);
while (true) {
nextToken();
switch (fToken) {
- // scopes: skip them
- case Symbols.TokenRPAREN:
- case Symbols.TokenRBRACKET:
- case Symbols.TokenRBRACE:
- skipScope();
- break;
+ // scopes: skip them
+ case Symbols.TokenRPAREN:
+ case Symbols.TokenRBRACKET:
+ case Symbols.TokenRBRACE:
+ skipScope();
+ break;
- case Symbols.TokenIF:
- // found it, return
- return true;
- case Symbols.TokenELSE:
- // recursively skip else-if blocks
- skipNextIF();
- break;
+ case Symbols.TokenIF:
+ // found it, return
+ return true;
+ case Symbols.TokenELSE:
+ // recursively skip else-if blocks
+ skipNextIF();
+ break;
- // shortcut scope starts
- case Symbols.TokenLPAREN:
- case Symbols.TokenLBRACE:
- case Symbols.TokenLBRACKET:
- case Symbols.TokenEOF:
- return false;
- }
+ // shortcut scope starts
+ case Symbols.TokenLPAREN:
+ case Symbols.TokenLBRACE:
+ case Symbols.TokenLBRACKET:
+ case Symbols.TokenEOF:
+ return false;
+ }
}
}
-
/**
* while(condition); is ambiguous when parsed backwardly, as it is a valid
- * statement by its own, so we have to check whether there is a matching
- * do. A <code>do</code> can either be separated from the while by a
- * block, or by a single statement, which limits our search distance.
+ * statement by its own, so we have to check whether there is a matching do.
+ * A <code>do</code> can either be separated from the while by a block, or
+ * by a single statement, which limits our search distance.
*
* @return <code>true</code> if the <code>while</code> currently in
* <code>fToken</code> has a matching <code>do</code>.
Assert.isTrue(fToken == Symbols.TokenWHILE);
nextToken();
switch (fToken) {
- case Symbols.TokenRBRACE:
- skipScope(); // and fall thru
- case Symbols.TokenSEMICOLON:
- skipToStatementStart(false, false);
- return fToken == Symbols.TokenDO;
+ case Symbols.TokenRBRACE:
+ skipScope(); // and fall thru
+ case Symbols.TokenSEMICOLON:
+ skipToStatementStart(false, false);
+ return fToken == Symbols.TokenDO;
}
return false;
}
/**
* Skips brackets if the current token is a RBRACKET. There can be nothing
- * but whitespace in between, this is only to be used for <code>[]</code> elements.
+ * but whitespace in between, this is only to be used for <code>[]</code>
+ * elements.
*
* @return <code>true</code> if a <code>[]</code> could be scanned, the
* current token is left at the LBRACKET.
}
/**
- * Reads the next token in backward direction from the heuristic scanner
- * and sets the fields <code>fToken, fPreviousPosition</code> and <code>fPosition</code>
- * accordingly.
+ * Reads the next token in backward direction from the heuristic scanner and
+ * sets the fields <code>fToken, fPreviousPosition</code> and
+ * <code>fPosition</code> accordingly.
*/
private void nextToken() {
nextToken(fPosition);
/**
* Reads the next token in backward direction of <code>start</code> from
- * the heuristic scanner and sets the fields <code>fToken, fPreviousPosition</code>
- * and <code>fPosition</code> accordingly.
+ * the heuristic scanner and sets the fields
+ * <code>fToken, fPreviousPosition</code> and <code>fPosition</code>
+ * accordingly.
*/
private void nextToken(int start) {
- fToken= fScanner.previousToken(start - 1, JavaHeuristicScanner.UNBOUND);
- fPreviousPos= start;
- fPosition= fScanner.getPosition() + 1;
+ fToken = fScanner
+ .previousToken(start - 1, JavaHeuristicScanner.UNBOUND);
+ fPreviousPos = start;
+ fPosition = fScanner.getPosition() + 1;
try {
- fLine= fDocument.getLineOfOffset(fPosition);
+ fLine = fDocument.getLineOfOffset(fPosition);
} catch (BadLocationException e) {
- fLine= -1;
+ fLine = -1;
}
}
* Returns <code>true</code> if the current tokens look like a method
* declaration header (i.e. only the return type and method name). The
* heuristic calls <code>nextToken</code> and expects an identifier
- * (method name) and a type declaration (an identifier with optional
+ * (method name) and a type declaration (an identifier with optional
* brackets) which also covers the visibility modifier of constructors; it
- * does not recognize package visible constructors.
+ * does not recognize package visible constructors.
*
* @return <code>true</code> if the current position looks like a method
* declaration header.
private boolean looksLikeMethodDecl() {
/*
* TODO This heuristic does not recognize package private constructors
- * since those do have neither type nor visibility keywords.
- * One option would be to go over the parameter list, but that might
- * be empty as well - hard to do without an AST...
+ * since those do have neither type nor visibility keywords. One option
+ * would be to go over the parameter list, but that might be empty as
+ * well - hard to do without an AST...
*/
nextToken();
if (fToken == Symbols.TokenIDENT) { // method name
- do nextToken();
- while (skipBrackets()); // optional brackets for array valued return types
+ do
+ nextToken();
+ while (skipBrackets()); // optional brackets for array valued return
+ // types
return fToken == Symbols.TokenIDENT; // type name
}
}
/**
- * Returns <code>true</code> if the current tokens look like a method
- * call header (i.e. an identifier as opposed to a keyword taking parenthesized
+ * Returns <code>true</code> if the current tokens look like a method call
+ * header (i.e. an identifier as opposed to a keyword taking parenthesized
* parameters such as <code>if</code>).
- * <p>The heuristic calls <code>nextToken</code> and expects an identifier
+ * <p>
+ * The heuristic calls <code>nextToken</code> and expects an identifier
* (method name).
*
- * @return <code>true</code> if the current position looks like a method call
- * header.
+ * @return <code>true</code> if the current position looks like a method
+ * call header.
*/
private boolean looksLikeMethodCall() {
nextToken();
}
/**
- * Scans tokens for the matching opening peer. The internal cursor
- * (<code>fPosition</code>) is set to the offset of the opening peer if found.
+ * Scans tokens for the matching opening peer. The internal cursor (<code>fPosition</code>)
+ * is set to the offset of the opening peer if found.
*
- * @return <code>true</code> if a matching token was found, <code>false</code>
- * otherwise
+ * @return <code>true</code> if a matching token was found,
+ * <code>false</code> otherwise
*/
private boolean skipScope(int openToken, int closeToken) {
- int depth= 1;
+ int depth = 1;
while (true) {
nextToken();
if (depth == 0)
return true;
} else if (fToken == Symbols.TokenEOF) {
- return false;
+ return false;
}
}
}
private int prefTabLength() {
int tabLen;
-// JavaCore core= JavaCore.getJavaCore();
- PHPeclipsePlugin plugin= PHPeclipsePlugin.getDefault();
-// if (core != null && plugin != null)
- if (plugin != null)
- if (JavaCore.SPACE.equals(JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR)))
- // if the formatter uses chars to mark indentation, then don't substitute any chars
- tabLen= -1; // results in no tabs being substituted for space runs
+ // JavaCore core= JavaCore.getJavaCore();
+ PHPeclipsePlugin plugin = PHPeclipsePlugin.getDefault();
+ // if (core != null && plugin != null)
+ if (plugin != null)
+ if (JavaCore.SPACE
+ .equals(JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR)))
+ // if the formatter uses chars to mark indentation, then don't
+ // substitute any chars
+ tabLen = -1; // results in no tabs being substituted for
+ // space runs
else
- // if the formatter uses tabs to mark indentations, use the visual setting from the editor
+ // if the formatter uses tabs to mark indentations, use the
+ // visual setting from the editor
// to get nicely aligned indentations
- tabLen= plugin.getPreferenceStore().getInt(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_TAB_WIDTH);
+ tabLen = plugin
+ .getPreferenceStore()
+ .getInt(
+ AbstractDecoratedTextEditorPreferenceConstants.EDITOR_TAB_WIDTH);
else
- tabLen= 4; // sensible default for testing
+ tabLen = 4; // sensible default for testing
return tabLen;
}
}
private int prefArrayIndent() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_EXPRESSIONS_IN_ARRAY_INITIALIZER);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_EXPRESSIONS_IN_ARRAY_INITIALIZER);
try {
if (DefaultCodeFormatterConstants.getIndentStyle(option) == DefaultCodeFormatterConstants.INDENT_BY_ONE)
return 1;
}
private boolean prefArrayDeepIndent() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_EXPRESSIONS_IN_ARRAY_INITIALIZER);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_EXPRESSIONS_IN_ARRAY_INITIALIZER);
try {
return DefaultCodeFormatterConstants.getIndentStyle(option) == DefaultCodeFormatterConstants.INDENT_ON_COLUMN;
} catch (IllegalArgumentException e) {
}
private boolean prefTernaryDeepAlign() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_CONDITIONAL_EXPRESSION);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_CONDITIONAL_EXPRESSION);
try {
return DefaultCodeFormatterConstants.getIndentStyle(option) == DefaultCodeFormatterConstants.INDENT_ON_COLUMN;
} catch (IllegalArgumentException e) {
}
private int prefTernaryIndent() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_CONDITIONAL_EXPRESSION);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_CONDITIONAL_EXPRESSION);
try {
if (DefaultCodeFormatterConstants.getIndentStyle(option) == DefaultCodeFormatterConstants.INDENT_BY_ONE)
return 1;
}
private int prefCaseIndent() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- if (DefaultCodeFormatterConstants.TRUE.equals(JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH)))
+ if (DefaultCodeFormatterConstants.TRUE
+ .equals(JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH)))
return prefBlockIndent();
else
return 0;
if (true)
return prefBlockIndent();
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- if (DefaultCodeFormatterConstants.TRUE.equals(JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES)))
+ if (DefaultCodeFormatterConstants.TRUE
+ .equals(JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES)))
return prefBlockIndent();
else
return 0;
}
private boolean prefMethodDeclDeepIndent() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_PARAMETERS_IN_METHOD_DECLARATION);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_PARAMETERS_IN_METHOD_DECLARATION);
try {
return DefaultCodeFormatterConstants.getIndentStyle(option) == DefaultCodeFormatterConstants.INDENT_ON_COLUMN;
} catch (IllegalArgumentException e) {
}
private int prefMethodDeclIndent() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_PARAMETERS_IN_METHOD_DECLARATION);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_PARAMETERS_IN_METHOD_DECLARATION);
try {
if (DefaultCodeFormatterConstants.getIndentStyle(option) == DefaultCodeFormatterConstants.INDENT_BY_ONE)
return 1;
}
private boolean prefMethodCallDeepIndent() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_ARGUMENTS_IN_METHOD_INVOCATION);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_ARGUMENTS_IN_METHOD_INVOCATION);
try {
return DefaultCodeFormatterConstants.getIndentStyle(option) == DefaultCodeFormatterConstants.INDENT_ON_COLUMN;
} catch (IllegalArgumentException e) {
}
private int prefMethodCallIndent() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_ARGUMENTS_IN_METHOD_INVOCATION);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_ARGUMENTS_IN_METHOD_INVOCATION);
try {
if (DefaultCodeFormatterConstants.getIndentStyle(option) == DefaultCodeFormatterConstants.INDENT_BY_ONE)
return 1;
if (true) // don't do parenthesis deep indentation
return false;
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_CONTINUATION_INDENTATION);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_CONTINUATION_INDENTATION);
try {
return DefaultCodeFormatterConstants.getIndentStyle(option) == DefaultCodeFormatterConstants.INDENT_ON_COLUMN;
} catch (IllegalArgumentException e) {
}
private boolean prefIndentBracesForBlocks() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_BLOCK);
- return option.equals(DefaultCodeFormatterConstants.NEXT_LINE_SHIFTED);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_BLOCK);
+ return option
+ .equals(DefaultCodeFormatterConstants.NEXT_LINE_SHIFTED);
}
return false; // sensible default
}
private boolean prefIndentBracesForArrays() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_ARRAY_INITIALIZER);
- return option.equals(DefaultCodeFormatterConstants.NEXT_LINE_SHIFTED);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_ARRAY_INITIALIZER);
+ return option
+ .equals(DefaultCodeFormatterConstants.NEXT_LINE_SHIFTED);
}
return false; // sensible default
}
private boolean prefIndentBracesForMethods() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_METHOD_DECLARATION);
- return option.equals(DefaultCodeFormatterConstants.NEXT_LINE_SHIFTED);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_METHOD_DECLARATION);
+ return option
+ .equals(DefaultCodeFormatterConstants.NEXT_LINE_SHIFTED);
}
return false; // sensible default
}
private int prefContinuationIndent() {
- Plugin plugin= JavaCore.getPlugin();
+ Plugin plugin = JavaCore.getPlugin();
if (plugin != null) {
- String option= JavaCore.getOption(DefaultCodeFormatterConstants.FORMATTER_CONTINUATION_INDENTATION);
+ String option = JavaCore
+ .getOption(DefaultCodeFormatterConstants.FORMATTER_CONTINUATION_INDENTATION);
try {
return Integer.parseInt(option);
} catch (NumberFormatException e) {
git://git.phpeclipse.com / phpeclipse.git / blobdiff