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"""
Test setting a breakpoint by line and column.
"""
import re
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class BreakpointByLineAndColumnTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
## Skip gcc version less 7.1 since it doesn't support -gcolumn-info
@skipIf(compiler="gcc", compiler_version=['<', '7.1'])
def testBreakpointByLineAndColumn(self):
self.build()
src_file = lldb.SBFileSpec("main.cpp")
line = line_number("main.cpp",
"At the beginning of a function name (col:50)") + 1 # Next line after comment
_, _, _, breakpoint = lldbutil.run_to_line_breakpoint(self,
src_file, line, 50)
self.expect("fr v did_call", substrs=['1'])
in_then = False
for i in range(breakpoint.GetNumLocations()):
b_loc = breakpoint.GetLocationAtIndex(i).GetAddress().GetLineEntry()
self.assertEqual(b_loc.GetLine(), line)
in_then |= b_loc.GetColumn() == 50
self.assertTrue(in_then)
## Skip gcc version less 7.1 since it doesn't support -gcolumn-info
@skipIf(compiler="gcc", compiler_version=['<', '7.1'])
def testBreakpointByLine(self):
self.build()
src_file = lldb.SBFileSpec("main.cpp")
line = line_number("main.cpp",
"At the beginning of a function name (col:50)") + 1 # Next line after comment
_, _, _, breakpoint = lldbutil.run_to_line_breakpoint(self, src_file,
line)
self.expect("fr v did_call", substrs=['0'])
in_condition = False
for i in range(breakpoint.GetNumLocations()):
b_loc = breakpoint.GetLocationAtIndex(i).GetAddress().GetLineEntry()
self.assertEqual(b_loc.GetLine(), line)
in_condition |= b_loc.GetColumn() < 30
self.assertTrue(in_condition)
@skipIfWindows
## Skip gcc version less 7.1 since it doesn't support -gcolumn-info
@skipIf(compiler="gcc", compiler_version=['<', '7.1'])
def testBreakpointByLineAndColumnNearestCode(self):
self.build()
patterns = [
"In the middle of a function name (col:42)",
"In the middle of the lambda declaration argument (col:23)",
"Inside the lambda (col:26)"
]
source_loc = []
for pattern in patterns:
line = line_number("main.cpp", pattern) + 1
column = int(re.search('\(col:([0-9]+)\)', pattern).group(1))
source_loc.append({'line':line, 'column':column})
target = self.createTestTarget()
for loc in source_loc:
src_file = lldb.SBFileSpec("main.cpp")
line = loc['line']
column = loc['column']
indent = 0
module_list = lldb.SBFileSpecList()
valid_bpkt = target.BreakpointCreateByLocation(src_file, line,
column, indent,
module_list, True)
self.assertTrue(valid_bpkt, VALID_BREAKPOINT)
self.assertEqual(valid_bpkt.GetNumLocations(), 1)
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
nearest_column = [7, 17, 26]
for idx,loc in enumerate(source_loc):
bpkt = target.GetBreakpointAtIndex(idx)
bpkt_loc = bpkt.GetLocationAtIndex(0)
self.assertEqual(bpkt_loc.GetHitCount(), 1)
self.assertSuccess(process.Continue())
bpkt_loc_desc = lldb.SBStream()
self.assertTrue(bpkt_loc.GetDescription(bpkt_loc_desc, lldb.eDescriptionLevelVerbose))
self.assertIn("main.cpp:{}:{}".format(loc['line'], nearest_column[idx]),
bpkt_loc_desc.GetData())
bpkt_loc_addr = bpkt_loc.GetAddress()
self.assertTrue(bpkt_loc_addr)
list = target.FindCompileUnits(lldb.SBFileSpec("main.cpp", False))
# Executable has been built just from one source file 'main.cpp',
# so we may check only the first element of list.
compile_unit = list[0].GetCompileUnit()
found = False
for line_entry in compile_unit:
if line_entry.GetStartAddress() == bpkt_loc_addr:
self.assertEqual(line_entry.GetFileSpec().GetFilename(),
"main.cpp")
self.assertEqual(line_entry.GetLine(), loc['line'])
self.assertEqual(line_entry.GetColumn(), nearest_column[idx])
found = True
break
self.assertTrue(found)
line = line_number("main.cpp", "// This is a random comment.")
column = len("// This is a random comment.")
indent = 2
invalid_bpkt = target.BreakpointCreateByLocation(src_file, line, column,
indent, module_list, False)
self.assertTrue(invalid_bpkt, VALID_BREAKPOINT)
self.assertEqual(invalid_bpkt.GetNumLocations(), 0)
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