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Code Issues Wiki Activity

More code formatter heuristics and stay Eclipse 3.2 compatible.

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This commit is contained in:
Anton Leherbauer 2006-11-10 23:05:48 +00:00
parent b3495a8044
commit 67654f8f4f
3 changed files with 62 additions and 35 deletions
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51
core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java
View file

@ -211,7 +211,15 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
private final TextEdit failedToFormat(AbortFormatting e) {
if (DEBUG) {
CCorePlugin.log("Could not format: " + e.getMessage());
String errorMessage= e.getMessage();
if (errorMessage == null) {
if (e.nestedException != null) {
errorMessage= e.nestedException.getClass().getName();
} else {
errorMessage= "Unknown error";
}
}
CCorePlugin.log(CCorePlugin.createStatus("Could not format: " + errorMessage, e.nestedException));
System.out.println("COULD NOT FORMAT: " + e.getMessage());
System.out.println(scribe.scanner); //$NON-NLS-1$
System.out.println(scribe);
@ -930,6 +938,15 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
int i;
for (i = 0; i < elementsLength; i++) {
if (i > 0) {
// handle missing parameter
int token= peekNextToken();
if (token == Token.tIDENTIFIER) {
if (!scribe.skipToToken(Token.tCOMMA)) {
break;
}
} else if (token == Token.tRPAREN) {
break;
}
scribe.printNextToken(Token.tCOMMA, align.fSpaceBeforeComma);
scribe.printTrailingComment();
}
@ -956,12 +973,13 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
}
} while (!ok);
scribe.exitAlignment(listAlignment, true);
if (encloseInParen)
scribe.printNextToken(Token.tRPAREN, align.fSpaceBeforeClosingParen);
} else {
if (encloseInParen)
scribe.printNextToken(Token.tRPAREN, align.fSpaceBeforeClosingParen);
}
if (encloseInParen) {
// handle missing parameter
if (peekNextToken() == Token.tIDENTIFIER) {
scribe.skipToToken(Token.tRPAREN);
}
scribe.printNextToken(Token.tRPAREN, align.fSpaceBeforeClosingParen);
}
}
@ -1529,6 +1547,13 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
}
private void formatBlock(IASTCompoundStatement block, String block_brace_position, boolean insertSpaceBeforeOpeningBrace, boolean indentStatements) {
IASTNodeLocation[] locations= block.getNodeLocations();
if (locations.length == 0) {
return;
} else if (locations[0] instanceof IASTMacroExpansion) {
formatNode(block);
return;
}
formatOpeningBrace(block_brace_position, insertSpaceBeforeOpeningBrace);
IASTStatement[] statements = block.getStatements();
final int statementsLength = statements.length;
@ -1648,7 +1673,7 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
}
protected int peekNextToken() {
localScanner.resetTo(scribe.scanner.startPosition, scribe.scannerEndPosition - 1);
localScanner.resetTo(scribe.scanner.getCurrentPosition(), scribe.scannerEndPosition - 1);
return localScanner.getNextToken();
}
@ -1674,6 +1699,16 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
}
private boolean isGuardClause(IASTCompoundStatement block, List statements) {
IASTNodeLocation[] locations= block.getNodeLocations();
if (locations.length == 0) {
return false;
} else if (locations[0] instanceof IASTMacroExpansion) {
return false;
}
IASTNodeLocation fileLocation= block.getFileLocation();
if (fileLocation == null) {
return false;
}
int blockStartPosition= block.getFileLocation().getNodeOffset();
int blockLength= block.getFileLocation().getNodeLength();
if (commentStartsBlock(blockStartPosition, blockLength)) return false;

34
core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/Scribe.java
View file

@ -629,9 +629,6 @@ public class Scribe {
indent();
}
formatOpeningBrace(formatter.preferences.brace_position_for_block, hasWhitespace);
// print(currentToken.getLength(), hasWhitespace);
// printNewLine();
// indent();
break;
case Token.tRBRACE:
scanner.resetTo(scanner.getCurrentTokenStartPosition(), scannerEndPosition-1);
@ -639,9 +636,6 @@ public class Scribe {
unIndent();
}
formatClosingBrace(formatter.preferences.brace_position_for_block);
// printNewLine(scanner.getCurrentTokenStartPosition());
// unIndent();
// print(currentToken.getLength(), hasWhitespace);
break;
case Token.tLPAREN:
print(currentToken.getLength(), hasWhitespace);
@ -1606,14 +1600,14 @@ public class Scribe {
}
/**
* Skip to the next occurrence one of the given token types.
* If successful, the next token will be one of the epxected tokens,
* Skip to the next occurrence of the given token type.
* If successful, the next token will be the epxected token,
* otherwise the scanner position is left unchanged.
*
* @param expectedTokenTypes
* @param expectedTokenType
* @return <code>true</code> if a matching token was skipped to
*/
public boolean skipToToken(int[] expectedTokenTypes) {
public boolean skipToToken(int expectedTokenType) {
int skipStart= scanner.getCurrentPosition();
int braceLevel= 0;
int parenLevel= 0;
@ -1639,22 +1633,20 @@ public class Scribe {
case Token.tPREPROCESSOR_INCLUDE:
continue;
}
if (braceLevel <= 0 && parenLevel == 0) {
for (int i= 0; i < expectedTokenTypes.length; i++) {
if (currentToken.type == expectedTokenTypes[i]) {
printRaw(skipStart, scanner.getCurrentTokenEndPosition() - skipStart + 1);
scanner.resetTo(scanner.getCurrentTokenEndPosition() + 1, scannerEndPosition - 1);
return true;
}
if (braceLevel <= 0 && parenLevel <= 0) {
if (currentToken.type == expectedTokenType) {
int tokenStart= scanner.getCurrentTokenStartPosition();
printRaw(skipStart, tokenStart - skipStart);
scanner.resetTo(tokenStart, scannerEndPosition - 1);
return true;
}
}
if (braceLevel < 0 || parenLevel < 0) {
break;
}
}
scanner.resetTo(skipStart, scannerEndPosition - 1);
return false;
}
public boolean skipToToken(int expectedTokenType) {
return skipToToken(new int[] { expectedTokenType });
}
}

12
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/preferences/formatter/ModifyDialog.java
View file

@ -334,7 +334,7 @@ public abstract class ModifyDialog extends StatusDialog {
private void doValidate() {
if (!hasChanges()) {
updateStatus(new Status(IStatus.ERROR, CUIPlugin.PLUGIN_ID, "")); //$NON-NLS-1$
updateStatus(new Status(IStatus.ERROR, CUIPlugin.PLUGIN_ID, 0, "", null)); //$NON-NLS-1$
return;
}
@ -346,12 +346,12 @@ public abstract class ModifyDialog extends StatusDialog {
String name= fProfileNameField.getText().trim();
if (!name.equals(fProfile.getName()) && fProfileManager.containsName(name)) {
updateStatus(new Status(IStatus.ERROR, CUIPlugin.PLUGIN_ID, FormatterMessages.ModifyDialog_Duplicate_Status));
updateStatus(new Status(IStatus.ERROR, CUIPlugin.PLUGIN_ID, 0, FormatterMessages.ModifyDialog_Duplicate_Status, null));
return;
}
if (fProfile.isBuiltInProfile() || fProfile.isSharedProfile()) {
updateStatus(new Status(IStatus.INFO, CUIPlugin.PLUGIN_ID, FormatterMessages.ModifyDialog_NewCreated_Status));
updateStatus(new Status(IStatus.INFO, CUIPlugin.PLUGIN_ID, 0, FormatterMessages.ModifyDialog_NewCreated_Status, null));
return;
}
@ -363,18 +363,18 @@ public abstract class ModifyDialog extends StatusDialog {
if (fProfile.isBuiltInProfile()) {
if (fProfile.getName().equals(name)) {
return new Status(IStatus.ERROR, CUIPlugin.PLUGIN_ID, FormatterMessages.ModifyDialog_BuiltIn_Status);
return new Status(IStatus.ERROR, CUIPlugin.PLUGIN_ID, 0, FormatterMessages.ModifyDialog_BuiltIn_Status, null);
}
}
if (fProfile.isSharedProfile()) {
if (fProfile.getName().equals(name)) {
return new Status(IStatus.ERROR, CUIPlugin.PLUGIN_ID, FormatterMessages.ModifyDialog_Shared_Status);
return new Status(IStatus.ERROR, CUIPlugin.PLUGIN_ID, 0, FormatterMessages.ModifyDialog_Shared_Status, null);
}
}
if (name.length() == 0) {
return new Status(IStatus.ERROR, CUIPlugin.PLUGIN_ID, FormatterMessages.ModifyDialog_EmptyName_Status);
return new Status(IStatus.ERROR, CUIPlugin.PLUGIN_ID, 0, FormatterMessages.ModifyDialog_EmptyName_Status, null);
}
return StatusInfo.OK_STATUS;