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fix segfault when pressing f or t in graph mode without a defined func

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Vasco-jofra 2018-09-07 23:32:30 +01:00 committed by Florian Märkl
parent 9501ecf38c
commit f7d1ce8771
1 changed files with 10 additions and 2 deletions
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12
src/widgets/DisassemblerGraphView.cpp
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@ -433,7 +433,7 @@ void DisassemblerGraphView::drawBlock(QPainter &p, GraphView::GraphBlock &block)
while ((pos = instr.plainText.indexOf(highlight_token->content, pos + 1)) != -1) {
int tokenEnd = pos + highlight_token->content.length();
if ((pos > 0 && instr.plainText[pos - 1].isLetterOrNumber())
if ((pos > 0 && instr.plainText[pos - 1].isLetterOrNumber())
|| (tokenEnd < instr.plainText.length() && instr.plainText[tokenEnd].isLetterOrNumber())) {
continue;
}
@ -653,6 +653,10 @@ void DisassemblerGraphView::zoomReset()
void DisassemblerGraphView::takeTrue()
{
DisassemblyBlock *db = blockForAddress(seekable->getOffset());
if (!db) {
return;
}
if (db->true_path != RVA_INVALID) {
seekable->seek(db->true_path);
} else if (blocks[db->entry].exits.size()) {
@ -663,6 +667,10 @@ void DisassemblerGraphView::takeTrue()
void DisassemblerGraphView::takeFalse()
{
DisassemblyBlock *db = blockForAddress(seekable->getOffset());
if (!db) {
return;
}
if (db->false_path != RVA_INVALID) {
seekable->seek(db->false_path);
} else if (blocks[db->entry].exits.size()) {
@ -735,7 +743,7 @@ DisassemblerGraphView::Token * DisassemblerGraphView::getToken(Instr * instr, in
while (i.hasNext()) {
QRegularExpressionMatch match = i.next();
if (match.capturedStart() <= clickedCharPos && match.capturedEnd() > clickedCharPos) {
Token * t = new Token;
t->start = match.capturedStart();