This revision was automatically updated to reflect the committed changes.
Closed by commit rL302225: Fix segfault resulting from empty print prompt
(authored by labath).
Changed prior to commit:
https://reviews.llvm.org/D32421?vs=97717&id=97937#toc
Repository:
rL LLVM
https://reviews.llvm.org/D32421
Files:
lldb/trunk/packages/Python/lldbsuite/test/expression_command/multiline/TestMultilineExpressions.py
lldb/trunk/source/Host/common/Editline.cpp
Index:
lldb/trunk/packages/Python/lldbsuite/test/expression_command/multiline/TestMultilineExpressions.py
===================================================================
---
lldb/trunk/packages/Python/lldbsuite/test/expression_command/multiline/TestMultilineExpressions.py
+++
lldb/trunk/packages/Python/lldbsuite/test/expression_command/multiline/TestMultilineExpressions.py
@@ -12,6 +12,7 @@
class MultilineExpressionsTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
+ NO_DEBUG_INFO_TESTCASE = True
def setUp(self):
# Call super's setUp().
@@ -60,3 +61,30 @@
child.expect_exact(prompt)
self.expect(child.before, exe=False,
patterns=['= 5'])
+
+ @skipIfRemote
+ @expectedFailureAll(
+ oslist=["windows"],
+ bugnumber="llvm.org/pr22274: need a pexpect replacement for windows")
+ def test_empty_list(self):
+ """Test printing an empty list of expressions"""
+ import pexpect
+ prompt = "(lldb) "
+
+ # So that the child gets torn down after the test
+ self.child = pexpect.spawn(
+ "%s %s" %
+ (lldbtest_config.lldbExec, self.lldbOption))
+ child = self.child
+
+ # Turn on logging for what the child sends back.
+ if self.TraceOn():
+ child.logfile_read = sys.stdout
+
+ # We expect a prompt, then send "print" to start a list of expressions,
+ # then an empty line. We expect a prompt back.
+ child.expect_exact(prompt)
+ child.sendline("print")
+ child.expect_exact('1:')
+ child.sendline("")
+ child.expect_exact(prompt)
Index: lldb/trunk/source/Host/common/Editline.cpp
===================================================================
--- lldb/trunk/source/Host/common/Editline.cpp
+++ lldb/trunk/source/Host/common/Editline.cpp
@@ -367,7 +367,7 @@
if (to == CursorLocation::EditingCursor) {
toColumn =
editline_cursor_position - (editline_cursor_row * m_terminal_width) +
1;
- } else if (to == CursorLocation::BlockEnd) {
+ } else if (to == CursorLocation::BlockEnd && !m_input_lines.empty()) {
toColumn =
((m_input_lines[m_input_lines.size() - 1].length() + GetPromptWidth())
%
80) +
Index: lldb/trunk/packages/Python/lldbsuite/test/expression_command/multiline/TestMultilineExpressions.py
===================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/expression_command/multiline/TestMultilineExpressions.py
+++ lldb/trunk/packages/Python/lldbsuite/test/expression_command/multiline/TestMultilineExpressions.py
@@ -12,6 +12,7 @@
class MultilineExpressionsTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
+ NO_DEBUG_INFO_TESTCASE = True
def setUp(self):
# Call super's setUp().
@@ -60,3 +61,30 @@
child.expect_exact(prompt)
self.expect(child.before, exe=False,
patterns=['= 5'])
+
+ @skipIfRemote
+ @expectedFailureAll(
+ oslist=["windows"],
+ bugnumber="llvm.org/pr22274: need a pexpect replacement for windows")
+ def test_empty_list(self):
+ """Test printing an empty list of expressions"""
+ import pexpect
+ prompt = "(lldb) "
+
+ # So that the child gets torn down after the test
+ self.child = pexpect.spawn(
+ "%s %s" %
+ (lldbtest_config.lldbExec, self.lldbOption))
+ child = self.child
+
+ # Turn on logging for what the child sends back.
+ if self.TraceOn():
+ child.logfile_read = sys.stdout
+
+ # We expect a prompt, then send "print" to start a list of expressions,
+ # then an empty line. We expect a prompt back.
+ child.expect_exact(prompt)
+ child.sendline("print")
+ child.expect_exact('1:')
+ child.sendline("")
+ child.expect_exact(prompt)
Index: lldb/trunk/source/Host/common/Editline.cpp
===================================================================
--- lldb/trunk/source/Host/common/Editline.cpp
+++ lldb/trunk/source/Host/common/Editline.cpp
@@ -367,7 +367,7 @@
if (to == CursorLocation::EditingCursor) {
toColumn =
editline_cursor_position - (editline_cursor_row * m_terminal_width) + 1;
- } else if (to == CursorLocation::BlockEnd) {
+ } else if (to == CursorLocation::BlockEnd && !m_input_lines.empty()) {
toColumn =
((m_input_lines[m_input_lines.size() - 1].length() + GetPromptWidth()) %
80) +
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