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Code Issues Wiki Activity

Fix for 200961: [formatter] the formatter fails to break long constant initialization line

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and 200959: [formatter] problem when breaking lines with throw() statement
This commit is contained in:
Anton Leherbauer 2007-08-28 11:27:24 +00:00
parent 8bcd679163
commit e31cd6e520
2 changed files with 87 additions and 5 deletions
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75
core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java
View file

@ -785,16 +785,16 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
private int visit(ICPPASTFunctionDeclarator node) {
visit((IASTStandardFunctionDeclarator)node);
skipConstVolatile();
final IASTTypeId[] exceptionSpecification= node.getExceptionSpecification();
if (exceptionSpecification != null) {
if (peekNextToken() == Token.t_throw) {
// TLETODO [formatter] need special alignment for exception specification
scribe.printNextToken(Token.t_throw, true);
final ListAlignment align= new ListAlignment(Alignment.M_COMPACT_SPLIT);
formatList(Arrays.asList(exceptionSpecification), align, true, false);
formatExceptionSpecification(exceptionSpecification);
}
}
final ICPPASTConstructorChainInitializer[] constructorChain= node.getConstructorChain();
if (constructorChain != null && constructorChain.length > 0) {
// TLETODO [formatter] need special constructor chain alignment
@ -809,9 +809,53 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
// skip the rest (=0)
skipNode(node);
}
return PROCESS_SKIP;
}
private void formatExceptionSpecification(final IASTTypeId[] exceptionSpecification) {
// TLETODO [formatter] need special alignment for exception specification
if (exceptionSpecification.length > 0) {
Alignment alignment =scribe.createAlignment(
"exceptionSpecification", //$NON-NLS-1$
// need configurable alignment
Alignment.M_COMPACT_SPLIT,
exceptionSpecification.length,
scribe.scanner.getCurrentPosition());
scribe.enterAlignment(alignment);
boolean ok = false;
do {
try {
scribe.alignFragment(alignment, 0);
scribe.printNextToken(Token.t_throw, true);
scribe.printNextToken(Token.tLPAREN, scribe.printComment());
exceptionSpecification[0].accept(this);
for (int i = 1; i < exceptionSpecification.length; i++) {
// insert_space_before_comma_in_method_declaration_throws
scribe.printNextToken(Token.tCOMMA, preferences.insert_space_before_comma_in_array_initializer);
scribe.printTrailingComment();
// insert_space_after_comma_in_method_declaration_throws
if (preferences.insert_space_after_comma_in_array_initializer) {
scribe.space();
}
scribe.alignFragment(alignment, i);
exceptionSpecification[i].accept(this);
}
scribe.printNextToken(Token.tRPAREN, scribe.printComment());
ok = true;
} catch (AlignmentException e) {
scribe.redoAlignment(e);
}
} while (!ok);
scribe.exitAlignment(alignment, true);
} else {
scribe.printNextToken(Token.t_throw, true);
scribe.printNextToken(Token.tLPAREN, scribe.printComment());
scribe.printNextToken(Token.tRPAREN, scribe.printComment());
}
}
private void skipConstVolatile() {
int token= peekNextToken();
while (token == Token.t_const || token == Token.t_volatile) {
@ -1355,7 +1399,28 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
}
private int visit(IASTInitializerExpression node) {
node.getExpression().accept(this);
Alignment expressionAlignment =scribe.createAlignment(
"assignmentExpression", //$NON-NLS-1$
// need configurable alignment
Alignment.M_COMPACT_SPLIT,
1,
scribe.scanner.getCurrentPosition());
scribe.enterAlignment(expressionAlignment);
boolean ok = false;
do {
try {
scribe.alignFragment(expressionAlignment, 0);
// r-value
node.getExpression().accept(this);
ok = true;
} catch (AlignmentException e) {
scribe.redoAlignment(e);
}
} while (!ok);
scribe.exitAlignment(expressionAlignment, true);
return PROCESS_SKIP;
}

17
core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java
View file

@ -206,4 +206,21 @@ public class CodeFormatterTest extends BaseUITestCase {
public void testAccessSpecifierAsMacro_Bug197494() throws Exception {
assertFormatterResult();
}
//int verylooooooooooooooooooooooooooooooooooongname = 0000000000000000000000000000000;
//int verylooooooooooooooooooooooooooooooooooongname =
// 0000000000000000000000000000000;
public void testLineWrappingOfInitializerExpression_Bug200961() throws Exception {
assertFormatterResult();
}
//void functionWithLooooooooooooooooooooooooooooooooooooooooooooooooongName() throw(float);
//void functionWithLooooooooooooooooooooooooooooooooooooooooooooooooongName()
// throw(float);
public void testLineWrappingOfThrowSpecification_Bug200959() throws Exception {
assertFormatterResult();
}
}