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Code Issues Wiki Activity

Fix for 191021: Code formatter fails in switch statement: indentation incorrect due to typecast

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This commit is contained in:
Anton Leherbauer 2007-06-06 11:04:25 +00:00
parent a7da016b95
commit 4271cea90d
2 changed files with 138 additions and 12 deletions
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101
core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java
View file

@ -25,6 +25,7 @@ import org.eclipse.cdt.core.dom.ast.IASTArrayModifier;
import org.eclipse.cdt.core.dom.ast.IASTBinaryExpression;
import org.eclipse.cdt.core.dom.ast.IASTBreakStatement;
import org.eclipse.cdt.core.dom.ast.IASTCaseStatement;
import org.eclipse.cdt.core.dom.ast.IASTCastExpression;
import org.eclipse.cdt.core.dom.ast.IASTCompositeTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTCompoundStatement;
import org.eclipse.cdt.core.dom.ast.IASTConditionalExpression;
@ -89,6 +90,7 @@ import org.eclipse.cdt.core.dom.ast.c.ICASTElaboratedTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.c.ICASTEnumerationSpecifier;
import org.eclipse.cdt.core.dom.ast.c.ICASTPointer;
import org.eclipse.cdt.core.dom.ast.cpp.CPPASTVisitor;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCastExpression;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCompositeTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTConstructorChainInitializer;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTConstructorInitializer;
@ -533,10 +535,12 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
visit((IASTBinaryExpression)node);
} else if (node instanceof IASTLiteralExpression) {
visit((IASTLiteralExpression)node);
} else if (node instanceof IASTUnaryExpression) {
visit((IASTUnaryExpression)node);
} else if (node instanceof IASTIdExpression) {
visit((IASTIdExpression)node);
} else if (node instanceof IASTCastExpression) {
visit((IASTCastExpression)node);
} else if (node instanceof IASTUnaryExpression) {
visit((IASTUnaryExpression)node);
} else if (node instanceof IASTProblemExpression) {
visit((IASTProblemExpression)node);
} else {
@ -1290,6 +1294,49 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
return PROCESS_SKIP;
}
private int visit(IASTCastExpression node) {
switch (node.getOperator()) {
case IASTCastExpression.op_cast:
scribe.printNextToken(Token.tLPAREN, scribe.printComment());
if (scribe.printComment()) {
scribe.space();
}
node.getTypeId().accept(this);
scribe.printNextToken(Token.tRPAREN, scribe.printComment());
if (scribe.printComment()) {
scribe.space();
}
// operand
node.getOperand().accept(this);
if (scribe.printComment()) {
scribe.space();
}
break;
case ICPPASTCastExpression.op_const_cast:
case ICPPASTCastExpression.op_dynamic_cast:
case ICPPASTCastExpression.op_reinterpret_cast:
case ICPPASTCastExpression.op_static_cast:
scribe.printNextToken(peekNextToken(), scribe.printComment());
scribe.printNextToken(Token.tLT, scribe.printComment());
if (scribe.printComment()) {
scribe.space();
}
node.getTypeId().accept(this);
scribe.printNextToken(Token.tGT, scribe.printComment());
// operand
scribe.printNextToken(Token.tLPAREN, scribe.printComment());
node.getOperand().accept(this);
scribe.printNextToken(Token.tRPAREN, scribe.printComment());
if (scribe.printComment()) {
scribe.space();
}
break;
default:
skipToNode(node.getOperand());
}
return PROCESS_SKIP;
}
private int visit(IASTTypeIdExpression node) {
scribe.printNextToken(peekNextToken());
scribe.printNextToken(Token.tLPAREN);
@ -1853,23 +1900,44 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
scribe.unIndent();
}
bracePosition = preferences.brace_position_for_block_in_case;
formatBlock((IASTCompoundStatement) statement, bracePosition,
preferences.insert_space_after_colon_in_case,
preferences.indent_statements_compare_to_block);
try {
formatBlock((IASTCompoundStatement) statement, bracePosition,
preferences.insert_space_after_colon_in_case,
preferences.indent_statements_compare_to_block);
} catch (ASTProblemException e) {
if (i < statementsLength - 1) {
final IASTStatement nextStatement = (IASTStatement) statements.get(i + 1);
skipToNode(nextStatement);
}
}
if (preferences.indent_switchstatements_compare_to_cases) {
scribe.indent();
}
} else {
bracePosition = preferences.brace_position_for_block;
formatBlock((IASTCompoundStatement) statement, bracePosition,
preferences.insert_space_before_opening_brace_in_block,
preferences.indent_statements_compare_to_block);
try {
formatBlock((IASTCompoundStatement) statement, bracePosition,
preferences.insert_space_before_opening_brace_in_block,
preferences.indent_statements_compare_to_block);
} catch (ASTProblemException e) {
if (i < statementsLength - 1) {
final IASTStatement nextStatement = (IASTStatement) statements.get(i + 1);
skipToNode(nextStatement);
}
}
}
wasAStatement = true;
wasACase = false;
} else {
scribe.startNewLine();
statement.accept(this);
try {
statement.accept(this);
} catch (ASTProblemException e) {
if (i < statementsLength - 1) {
final IASTStatement nextStatement = (IASTStatement) statements.get(i + 1);
skipToNode(nextStatement);
}
}
wasAStatement = true;
wasACase = false;
}
@ -2089,7 +2157,11 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
final int statementsLength = statements.size();
if (statementsLength > 1) {
IASTStatement previousStatement = (IASTStatement) statements.get(0);
previousStatement.accept(this);
try {
previousStatement.accept(this);
} catch (ASTProblemException e) {
skipToNode((IASTStatement) statements.get(1));
}
final boolean previousStatementIsNullStmt = previousStatement instanceof IASTNullStatement;
for (int i = 1; i < statementsLength - 1; i++) {
final IASTStatement statement = (IASTStatement) statements.get(i);
@ -2098,7 +2170,11 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
|| (!previousStatementIsNullStmt && !statementIsNullStmt)) {
scribe.startNewLine();
}
statement.accept(this);
try {
statement.accept(this);
} catch (ASTProblemException e) {
skipToNode((IASTStatement) statements.get(i + 1));
}
previousStatement = statement;
}
final IASTStatement statement = ((IASTStatement) statements.get(statementsLength - 1));
@ -2109,7 +2185,8 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
}
statement.accept(this);
} else {
((IASTStatement) statements.get(0)).accept(this);
final IASTStatement statement = (IASTStatement) statements.get(0);
statement.accept(this);
}
if (insertNewLineAfterLastStatement) {
scribe.startNewLine();

49
core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java
View file

@ -73,4 +73,53 @@ public class CodeFormatterTest extends BaseUITestCase {
fOptions.put(DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_OPENING_PAREN_IN_METHOD_DECLARATION, CCorePlugin.INSERT);
assertFormatterResult();
}
//void FailSwitchFormatting(void)
//{
// switch (confusefomatter)
// {
//
// case START_CONFUSION:
// SomeFunctionCallWithTypecast(( castConfusion_t)myvar1,
// (castNoAdditionalConfusion_t) myvar2);
// break;
//
// case REVEAL_CONFUSION:
// if (myBlockIndentIsOk)
// {
// myBlockstuff();
// }
// break;
//
// case CONTINUE_CONFUSION:
// {
// //the indentation problem continues...
// }
// default://....still not right
// }
//}
//void FailSwitchFormatting(void) {
// switch (confusefomatter) {
//
// case START_CONFUSION:
// SomeFunctionCallWithTypecast(( castConfusion_t)myvar1,
// (castNoAdditionalConfusion_t) myvar2);
// break;
//
// case REVEAL_CONFUSION:
// if (myBlockIndentIsOk) {
// myBlockstuff();
// }
// break;
//
// case CONTINUE_CONFUSION: {
// //the indentation problem continues...
// }
// default://....still not right
// }
//}
public void testIndentConfusionByCastExpression_Bug191021() throws Exception {
assertFormatterResult();
}
}