@SuppressWarnings("unchecked")
protected static StatementSequence findEnclosingStatementSequence(
IFortranAST ast, ITextSelection selection) {
Token firstToken = findFirstTokenAfter(ast, selection.getOffset());
Token lastToken = findLastTokenBefore(ast, selection.getOffset() + selection.getLength());
if (firstToken == null || lastToken == null) return null;
IASTListNode<? extends IASTNode> listContainingFirstToken =
firstToken.findNearestAncestor(IASTListNode.class);
IASTListNode<? extends IASTNode> listContainingLastToken =
lastToken.findNearestAncestor(IASTListNode.class);
if (listContainingFirstToken == null
|| listContainingLastToken == null
|| listContainingFirstToken != listContainingLastToken) return null;
IASTListNode<? extends IASTNode> listContainingStmts = listContainingFirstToken;
int startIndex = -1;
int endIndex = -1;
for (int i = 0; i < listContainingStmts.size(); i++) {
IASTNode node = listContainingStmts.get(i);
if (contains(node, firstToken)) startIndex = i;
if (contains(node, lastToken)) endIndex = i;
}
if (startIndex < 0 || endIndex < 0 || endIndex < startIndex)
throw new Error(
"INTERNAL ERROR: Unable to locate selected statements in IASTListNode"); //$NON-NLS-1$
return new StatementSequence(
listContainingStmts.findNearestAncestor(ScopingNode.class),
listContainingStmts,
startIndex,
endIndex);
}
protected static <T extends IASTNode> T getNode(
Token firstToken, Token lastToken, Class<T> node) {
assert (firstToken != null);
assert (lastToken != null);
T firstTokenNode = firstToken.findNearestAncestor(node);
T lastTokenNode = lastToken.findNearestAncestor(node);
if (firstTokenNode == null || lastTokenNode == null || firstTokenNode != lastTokenNode)
return null;
return firstTokenNode;
// return null;
}
private Set<ASTCallStmtNode> getCallSites() {
List<Definition> subroutineDefinitions =
selectedSubroutine.getSubroutineName().getSubroutineName().resolveBinding();
HashSet<ASTCallStmtNode> result = new HashSet<ASTCallStmtNode>();
if (subroutineDefinitions.size() != 1)
return result; // probably should throw an error of some sort!
for (PhotranTokenRef tokenRef : subroutineDefinitions.get(0).findAllReferences(true)) {
Token token = tokenRef.findToken();
ASTCallStmtNode callStmtNode = token.findNearestAncestor(ASTCallStmtNode.class);
if (callStmtNode != null) result.add(callStmtNode);
}
return result;
}