private void visitBreak(IASTStatement statement)
throws ScopeTraceException, BadLocationException {
if (_scopeStack.isEmpty())
throw new ScopeTraceException("break without scope: " + statement); // $NON-NLS-1$
ScopeInfo scope = _scopeStack.peek();
String hintType;
if (scope._statement instanceof IASTForStatement) hintType = "break-for"; // $NON-NLS-1$
else if (scope._statement instanceof IASTWhileStatement)
hintType = "break-while"; // $NON-NLS-1$
else if (scope._statement instanceof IASTDoStatement) hintType = "break-do"; // $NON-NLS-1$
else if (scope._statement instanceof IASTCaseStatement
|| scope._statement instanceof IASTDefaultStatement) hintType = "break-case"; // $NON-NLS-1$
else
throw new ScopeTraceException(
"Unexpect scope ("
+ scope._statement
+ ") on break/continue:"
+ statement); //$NON-NLS-1$ //$NON-NLS-2$
int endLoc =
statement.getFileLocation().getNodeOffset()
+ statement.getFileLocation().getNodeLength()
- 1;
_container.add(new Hint(hintType, scope._offset, endLoc, scope._str));
}
private void visitIf(IASTIfStatement statement) throws BadLocationException {
/* TODO: specific params: don't show the if hint if there's an "else if" after it (by checking if the elseClause is an instance of ifstatment) */
String hint = ""; // $NON-NLS-1$
if (statement.getConditionExpression() != null) {
hint = statement.getConditionExpression().getRawSignature();
} else {
if ((statement instanceof ICPPASTIfStatement)
&& ((ICPPASTIfStatement) statement).getConditionDeclaration() != null) {
hint = ((ICPPASTIfStatement) statement).getConditionDeclaration().getRawSignature();
}
}
IASTStatement thenClause = statement.getThenClause();
IASTStatement elseClause = statement.getElseClause();
boolean showIfHint = (elseClause == null);
int endLoc = -1;
if (!showIfHint) {
if (elseClause.getFileLocation().getStartingLineNumber()
!= thenClause.getFileLocation().getEndingLineNumber()) {
showIfHint = true;
}
// if the else looks like this "} else {", then show the hint on the "{"
if (!showIfHint && !(elseClause instanceof IASTIfStatement)) {
endLoc = elseClause.getFileLocation().getNodeOffset();
showIfHint = true;
}
}
if (showIfHint && !(thenClause instanceof IASTCompoundStatement)) showIfHint = false;
if (showIfHint) {
IASTFileLocation location = thenClause.getFileLocation();
if (endLoc == -1) endLoc = location.getNodeOffset() + location.getNodeLength() - 1;
int startLoc = statement.getFileLocation().getNodeOffset();
_container.add(
new Hint(
"if",
startLoc,
endLoc,
"if( " + hint + " )")); // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
if (elseClause != null
&& !(elseClause instanceof IASTIfStatement)
&& (elseClause instanceof IASTCompoundStatement)) {
IASTFileLocation location = elseClause.getFileLocation();
endLoc = location.getNodeOffset() + location.getNodeLength() - 1;
int startLoc = location.getNodeOffset();
_container.add(
new Hint(
"if",
startLoc,
endLoc,
"else_of_if( " + hint + " )")); // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
}
private void visitFunc(IASTFunctionDefinition declaration) throws BadLocationException {
IASTStatement body = declaration.getBody();
if (!(body instanceof IASTCompoundStatement)) return;
// starting a function empties the stack... (which should already be empty on good flow)
_scopeStack.clear();
IASTFileLocation location = body.getFileLocation();
int endLoc = location.getNodeOffset() + location.getNodeLength() - 1;
IASTFunctionDeclarator declerator = declaration.getDeclarator();
int startLoc = declerator.getFileLocation().getNodeOffset();
StringBuffer hint = new StringBuffer();
hint.append(declerator.getName().getRawSignature());
/* TODO: specific params: exclude function parameters (show only the name) */
hint.append("( "); // $NON-NLS-1$
IASTNode[] decChildren = declerator.getChildren();
boolean firstParam = true;
for (int i = 0; i < decChildren.length; i++) {
IASTNode node = decChildren[i];
if (node instanceof IASTParameterDeclaration) {
IASTParameterDeclaration param = (IASTParameterDeclaration) node;
if (firstParam) firstParam = false;
else hint.append(", "); // $NON-NLS-1$
hint.append(param.getDeclarator().getName());
}
}
hint.append(" )"); // $NON-NLS-1$
_container.add(new Hint("function", startLoc, endLoc, hint.toString())); // $NON-NLS-1$
}
private void visitCase(IASTStatement statement) throws ScopeTraceException {
/* TODO: specific params: don't show the switch part (only the case argument) */
ScopeInfo scope = _scopeStack.peek();
if (!(scope._statement instanceof IASTSwitchStatement)) {
if (!((scope._statement instanceof IASTCaseStatement)
|| (scope._statement instanceof IASTDefaultStatement))) {
throw new ScopeTraceException(
"Lost track of stack (in case), found:" + scope._statement); // $NON-NLS-1$
}
_scopeStack.pop();
scope = _scopeStack.peek();
}
if (!(scope._statement instanceof IASTSwitchStatement)) {
throw new ScopeTraceException(
"Lost track of stack (in case2), found:" + scope._statement); // $NON-NLS-1$
}
String hint = ""; // $NON-NLS-1$
if (statement instanceof IASTCaseStatement) {
IASTExpression cond = ((IASTCaseStatement) statement).getExpression();
if (cond != null) hint = cond.getRawSignature();
hint = "case: " + hint; // $NON-NLS-1$
} else // default
{
hint = "default"; // $NON-NLS-1$
}
int startLoc = statement.getFileLocation().getNodeOffset();
_scopeStack.push(new ScopeInfo(scope._str + " - " + hint, startLoc, statement)); // $NON-NLS-1$
}
protected int writeMixedStatement(IASTStatement statement) {
IFile file = FileHelper.getFileFromNode(statement);
int offset = statement.getFileLocation().getNodeOffset();
int length = statement.getFileLocation().getNodeLength();
String code = FileContentHelper.getContent(file, offset, length);
scribe.println(code);
return ASTVisitor.PROCESS_SKIP;
}
private void visitWhile(IASTWhileStatement statement) throws BadLocationException {
IASTExpression cond = statement.getCondition();
String hint = ""; // $NON-NLS-1$
if (cond != null) hint = cond.getRawSignature();
hint = "while( " + hint + " )"; // $NON-NLS-1$ //$NON-NLS-2$
int startLoc = statement.getFileLocation().getNodeOffset();
_scopeStack.push(new ScopeInfo(hint, startLoc, statement));
IASTStatement body = statement.getBody();
if (body instanceof IASTCompoundStatement) {
IASTFileLocation location = body.getFileLocation();
int endLoc = location.getNodeOffset() + location.getNodeLength() - 1;
_container.add(new Hint("while", startLoc, endLoc, hint)); // $NON-NLS-1$
}
}
private void visitFor(IASTForStatement statement) throws BadLocationException {
/* TODO: specific params: show also initializer && increment expressions */
IASTExpression cond = statement.getConditionExpression();
String hint = ""; // $NON-NLS-1$
if (cond != null) hint = cond.getRawSignature();
hint = "for( " + hint + " )"; // $NON-NLS-1$ //$NON-NLS-2$
int startLoc = statement.getFileLocation().getNodeOffset();
_scopeStack.push(new ScopeInfo(hint, startLoc, statement));
IASTStatement body = statement.getBody();
if (body instanceof IASTCompoundStatement) {
IASTFileLocation location = body.getFileLocation();
int endLoc = location.getNodeOffset() + location.getNodeLength() - 1;
_container.add(new Hint("for", startLoc, endLoc, hint)); // $NON-NLS-1$
}
}