323 lines
19 KiB
Python
323 lines
19 KiB
Python
"""
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Test lldb-mi -var-xxx commands.
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"""
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import lldbmi_testcase
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from lldbtest import *
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import unittest2
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class MiVarTestCase(lldbmi_testcase.MiTestCaseBase):
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mydir = TestBase.compute_mydir(__file__)
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@lldbmi_test
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
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@expectedFailureAll("llvm.org/pr23560", oslist=["linux"], compiler="gcc", compiler_version=[">=","4.9"], archs=["i386"])
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def test_lldbmi_eval(self):
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"""Test that 'lldb-mi --interpreter' works for evaluating."""
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self.spawnLldbMi(args = None)
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# Load executable
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self.runCmd("-file-exec-and-symbols %s" % self.myexe)
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self.expect("\^done")
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# Run to program return
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line = line_number('main.cpp', '// BP_return')
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self.runCmd("-break-insert main.cpp:%d" % line)
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self.expect("\^done,bkpt={number=\"1\"")
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self.runCmd("-exec-run")
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self.expect("\^running")
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self.expect("\*stopped,reason=\"breakpoint-hit\"")
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# Print non-existant variable
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self.runCmd("-var-create var1 * undef")
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self.expect("\^error,msg=\"error: error: use of undeclared identifier \'undef\'\\\\nerror: 1 errors parsing expression\\\\n\"")
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self.runCmd("-data-evaluate-expression undef")
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self.expect("\^error,msg=\"Could not evaluate expression\"")
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# Print global "g_MyVar", modify, delete and create again
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self.runCmd("-data-evaluate-expression g_MyVar")
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self.expect("\^done,value=\"3\"")
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self.runCmd("-var-create var2 * g_MyVar")
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self.expect("\^done,name=\"var2\",numchild=\"0\",value=\"3\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
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self.runCmd("-var-evaluate-expression var2")
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self.expect("\^done,value=\"3\"")
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self.runCmd("-var-show-attributes var2")
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self.expect("\^done,status=\"editable\"")
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self.runCmd("-var-list-children var2")
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self.expect("\^done,numchild=\"0\",has_more=\"0\"")
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self.runCmd("-data-evaluate-expression \"g_MyVar=30\"")
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self.expect("\^done,value=\"30\"")
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self.runCmd("-var-update --all-values var2")
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#self.expect("\^done,changelist=\[\{name=\"var2\",value=\"30\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]") #FIXME -var-update doesn't work
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self.runCmd("-var-delete var2")
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self.expect("\^done")
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self.runCmd("-var-create var2 * g_MyVar")
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self.expect("\^done,name=\"var2\",numchild=\"0\",value=\"30\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
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# Print static "s_MyVar", modify, delete and create again
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self.runCmd("-data-evaluate-expression s_MyVar")
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self.expect("\^done,value=\"30\"")
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self.runCmd("-var-create var3 * s_MyVar")
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self.expect("\^done,name=\"var3\",numchild=\"0\",value=\"30\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
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self.runCmd("-var-evaluate-expression var3")
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self.expect("\^done,value=\"30\"")
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self.runCmd("-var-show-attributes var3")
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self.expect("\^done,status=\"editable\"")
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self.runCmd("-var-list-children var3")
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self.expect("\^done,numchild=\"0\",has_more=\"0\"")
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self.runCmd("-data-evaluate-expression \"s_MyVar=3\"")
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self.expect("\^done,value=\"3\"")
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self.runCmd("-var-update --all-values var3")
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#self.expect("\^done,changelist=\[\{name=\"var3\",value=\"3\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]") #FIXME -var-update doesn't work
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self.runCmd("-var-delete var3")
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self.expect("\^done")
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self.runCmd("-var-create var3 * s_MyVar")
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self.expect("\^done,name=\"var3\",numchild=\"0\",value=\"3\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
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# Print local "b", modify, delete and create again
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self.runCmd("-data-evaluate-expression b")
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self.expect("\^done,value=\"20\"")
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self.runCmd("-var-create var4 * b")
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self.expect("\^done,name=\"var4\",numchild=\"0\",value=\"20\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
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self.runCmd("-var-evaluate-expression var4")
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self.expect("\^done,value=\"20\"")
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self.runCmd("-var-show-attributes var4")
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self.expect("\^done,status=\"editable\"")
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self.runCmd("-var-list-children var4")
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self.expect("\^done,numchild=\"0\",has_more=\"0\"")
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self.runCmd("-data-evaluate-expression \"b=2\"")
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self.expect("\^done,value=\"2\"")
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self.runCmd("-var-update --all-values var4")
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#self.expect("\^done,changelist=\[\{name=\"var4\",value=\"2\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]") #FIXME -var-update doesn't work
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self.runCmd("-var-delete var4")
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self.expect("\^done")
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self.runCmd("-var-create var4 * b")
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self.expect("\^done,name=\"var4\",numchild=\"0\",value=\"2\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
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# Print temp "a + b"
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self.runCmd("-data-evaluate-expression \"a + b\"")
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self.expect("\^done,value=\"12\"")
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self.runCmd("-var-create var5 * \"a + b\"")
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self.expect("\^done,name=\"var5\",numchild=\"0\",value=\"12\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
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self.runCmd("-var-evaluate-expression var5")
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self.expect("\^done,value=\"12\"")
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self.runCmd("-var-show-attributes var5")
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self.expect("\^done,status=\"editable\"") #FIXME editable or not?
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self.runCmd("-var-list-children var5")
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self.expect("\^done,numchild=\"0\",has_more=\"0\"")
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# Print argument "argv[0]"
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self.runCmd("-data-evaluate-expression \"argv[0]\"")
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self.expect("\^done,value=\"0x[0-9a-f]+ \\\\\\\".*?%s\\\\\\\"\"" % self.myexe)
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self.runCmd("-var-create var6 * \"argv[0]\"")
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self.expect("\^done,name=\"var6\",numchild=\"1\",value=\"0x[0-9a-f]+ \\\\\\\".*?%s\\\\\\\"\",type=\"const char \*\",thread-id=\"1\",has_more=\"0\"" % self.myexe)
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self.runCmd("-var-evaluate-expression var6")
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self.expect("\^done,value=\"0x[0-9a-f]+ \\\\\\\".*?%s\\\\\\\"\"" % self.myexe)
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self.runCmd("-var-show-attributes var6")
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self.expect("\^done,status=\"editable\"")
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self.runCmd("-var-list-children --all-values var6")
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# FIXME: The name below is not correct. It should be "var.*argv[0]".
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self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var6\.\*\$[0-9]+\",exp=\"\*\$[0-9]+\",numchild=\"0\",type=\"const char\",thread-id=\"4294967295\",value=\"47 '/'\",has_more=\"0\"\}\],has_more=\"0\"") #FIXME -var-list-children shows invalid thread-id
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@lldbmi_test
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
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@skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
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def test_lldbmi_var_update(self):
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"""Test that 'lldb-mi --interpreter' works for -var-update."""
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self.spawnLldbMi(args = None)
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# Load executable
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self.runCmd("-file-exec-and-symbols %s" % self.myexe)
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self.expect("\^done")
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# Run to BP_var_update_test_init
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line = line_number('main.cpp', '// BP_var_update_test_init')
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self.runCmd("-break-insert main.cpp:%d" % line)
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self.expect("\^done,bkpt={number=\"1\"")
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self.runCmd("-exec-run")
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self.expect("\^running")
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self.expect("\*stopped,reason=\"breakpoint-hit\"")
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# Setup variables
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self.runCmd("-var-create var_l * l")
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self.expect("\^done,name=\"var_l\",numchild=\"0\",value=\"1\",type=\"long\",thread-id=\"1\",has_more=\"0\"")
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self.runCmd("-var-create var_complx * complx")
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self.expect("\^done,name=\"var_complx\",numchild=\"3\",value=\"\{\.\.\.\}\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"")
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self.runCmd("-var-create var_complx_array * complx_array")
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self.expect("\^done,name=\"var_complx_array\",numchild=\"2\",value=\"\[2\]\",type=\"complex_type \[2\]\",thread-id=\"1\",has_more=\"0\"")
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# Go to BP_var_update_test_l
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line = line_number('main.cpp', '// BP_var_update_test_l')
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self.runCmd("-break-insert main.cpp:%d" % line)
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self.expect("\^done,bkpt={number=\"2\"")
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self.runCmd("-exec-continue")
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self.expect("\^running")
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self.expect("\*stopped,reason=\"breakpoint-hit\"")
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# Test that var_l was updated
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self.runCmd("-var-update --all-values var_l")
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self.expect("\^done,changelist=\[\{name=\"var_l\",value=\"0\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]")
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# Go to BP_var_update_test_complx
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line = line_number('main.cpp', '// BP_var_update_test_complx')
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self.runCmd("-break-insert main.cpp:%d" % line)
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self.expect("\^done,bkpt={number=\"3\"")
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self.runCmd("-exec-continue")
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self.expect("\^running")
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self.expect("\*stopped,reason=\"breakpoint-hit\"")
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# Test that var_complx was updated
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self.runCmd("-var-update --all-values var_complx")
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self.expect("\^done,changelist=\[\{name=\"var_complx\",value=\"\{\.\.\.\}\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]")
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# Go to BP_var_update_test_complx_array
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line = line_number('main.cpp', '// BP_var_update_test_complx_array')
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self.runCmd("-break-insert main.cpp:%d" % line)
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self.expect("\^done,bkpt={number=\"4\"")
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self.runCmd("-exec-continue")
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self.expect("\^running")
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self.expect("\*stopped,reason=\"breakpoint-hit\"")
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# Test that var_complex_array was updated
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self.runCmd("-var-update --all-values var_complx_array")
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self.expect("\^done,changelist=\[\{name=\"var_complx_array\",value=\"\[2\]\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]")
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@lldbmi_test
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
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def test_lldbmi_var_create_register(self):
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"""Test that 'lldb-mi --interpreter' works for -var-create $regname."""
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self.spawnLldbMi(args = None)
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# Load executable
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self.runCmd("-file-exec-and-symbols %s" % self.myexe)
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self.expect("\^done")
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# Run to main
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self.runCmd("-break-insert -f main")
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self.expect("\^done,bkpt={number=\"1\"")
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self.runCmd("-exec-run")
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self.expect("\^running")
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self.expect("\*stopped,reason=\"breakpoint-hit\"")
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# Find name of register 0
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self.runCmd("-data-list-register-names 0")
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self.expect("\^done,register-names=\[\".+?\"\]")
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register_name = self.child.after.split("\"")[1]
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# Create variable for register 0
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# Note that message is different in Darwin and Linux:
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# Darwin: "^done,name=\"var_reg\",numchild=\"0\",value=\"0x[0-9a-f]+\",type=\"unsigned long\",thread-id=\"1\",has_more=\"0\"
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# Linux: "^done,name=\"var_reg\",numchild=\"0\",value=\"0x[0-9a-f]+\",type=\"unsigned int\",thread-id=\"1\",has_more=\"0\"
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self.runCmd("-var-create var_reg * $%s" % register_name)
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self.expect("\^done,name=\"var_reg\",numchild=\"0\",value=\"0x[0-9a-f]+\",type=\"unsigned (long|int)\",thread-id=\"1\",has_more=\"0\"")
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# Assign value to variable
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self.runCmd("-var-assign var_reg \"6\"")
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#FIXME: the output has different format for 32bit and 64bit values
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self.expect("\^done,value=\"0x0*?6\"")
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# Assert register 0 updated
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self.runCmd("-data-list-register-values d 0")
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self.expect("\^done,register-values=\[{number=\"0\",value=\"6\"")
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@lldbmi_test
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
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@skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
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def test_lldbmi_var_list_children(self):
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"""Test that 'lldb-mi --interpreter' works for -var-list-children."""
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self.spawnLldbMi(args = None)
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# Load executable
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self.runCmd("-file-exec-and-symbols %s" % self.myexe)
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self.expect("\^done")
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# Run to BP_var_list_children_test
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line = line_number('main.cpp', '// BP_var_list_children_test')
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self.runCmd("-break-insert main.cpp:%d" % line)
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self.expect("\^done,bkpt={number=\"1\"")
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self.runCmd("-exec-run")
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self.expect("\^running")
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self.expect("\*stopped,reason=\"breakpoint-hit\"")
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# Create variable
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self.runCmd("-var-create var_complx * complx")
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self.expect("\^done,name=\"var_complx\",numchild=\"3\",value=\"\{\.\.\.\}\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"")
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self.runCmd("-var-create var_complx_array * complx_array")
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self.expect("\^done,name=\"var_complx_array\",numchild=\"2\",value=\"\[2\]\",type=\"complex_type \[2\]\",thread-id=\"1\",has_more=\"0\"")
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self.runCmd("-var-create var_pcomplx * pcomplx")
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self.expect("\^done,name=\"var_pcomplx\",numchild=\"2\",value=\"\{\.\.\.\}\",type=\"pcomplex_type\",thread-id=\"1\",has_more=\"0\"")
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# Test that -var-list-children lists empty children if range is empty
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# (and that print-values is optional)
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self.runCmd("-var-list-children var_complx 0 0")
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self.expect("\^done,numchild=\"0\",has_more=\"1\"")
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self.runCmd("-var-list-children var_complx 99 0")
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self.expect("\^done,numchild=\"0\",has_more=\"1\"")
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self.runCmd("-var-list-children var_complx 99 3")
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self.expect("\^done,numchild=\"0\",has_more=\"0\"")
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# Test that -var-list-children lists all children with their values
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# (and that from and to are optional)
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self.runCmd("-var-list-children --all-values var_complx")
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self.expect("\^done,numchild=\"3\",children=\[child=\{name=\"var_complx\.i\",exp=\"i\",numchild=\"0\",type=\"int\",thread-id=\"1\",value=\"3\",has_more=\"0\"\},child=\{name=\"var_complx\.inner\",exp=\"inner\",numchild=\"1\",type=\"complex_type::\(anonymous struct\)\",thread-id=\"1\",value=\"\{\.\.\.\}\",has_more=\"0\"\},child=\{name=\"var_complx\.complex_ptr\",exp=\"complex_ptr\",numchild=\"3\",type=\"complex_type \*\",thread-id=\"1\",value=\"0x[0-9a-f]+\",has_more=\"0\"\}\],has_more=\"0\"")
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self.runCmd("-var-list-children --simple-values var_complx_array")
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self.expect("\^done,numchild=\"2\",children=\[child=\{name=\"var_complx_array\.\[0\]\",exp=\"\[0\]\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"\},child=\{name=\"var_complx_array\.\[1\]\",exp=\"\[1\]\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"0\"")
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self.runCmd("-var-list-children 0 var_pcomplx")
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self.expect("\^done,numchild=\"2\",children=\[child=\{name=\"var_pcomplx\.complex_type\",exp=\"complex_type\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"\},child={name=\"var_pcomplx\.complx\",exp=\"complx\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"0\"")
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# Test that -var-list-children lists children without values
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self.runCmd("-var-list-children 0 var_complx 0 1")
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self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx\.i\",exp=\"i\",numchild=\"0\",type=\"int\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"1\"")
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self.runCmd("-var-list-children --no-values var_complx 0 1")
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self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx\.i\",exp=\"i\",numchild=\"0\",type=\"int\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"1\"")
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self.runCmd("-var-list-children --no-values var_complx_array 0 1")
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self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx_array\.\[0\]\",exp=\"\[0\]\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"1\"")
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self.runCmd("-var-list-children --no-values var_pcomplx 0 1")
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self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_pcomplx\.complex_type\",exp=\"complex_type\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"1\"")
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# Test that -var-list-children lists children with all values
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self.runCmd("-var-list-children 1 var_complx 1 2")
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self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx\.inner\",exp=\"inner\",numchild=\"1\",type=\"complex_type::\(anonymous struct\)\",thread-id=\"1\",value=\"\{\.\.\.\}\",has_more=\"0\"\}\],has_more=\"1\"")
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self.runCmd("-var-list-children --all-values var_complx 1 2")
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self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx\.inner\",exp=\"inner\",numchild=\"1\",type=\"complex_type::\(anonymous struct\)\",thread-id=\"1\",value=\"\{\.\.\.\}\",has_more=\"0\"\}\],has_more=\"1\"")
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self.runCmd("-var-list-children --all-values var_complx_array 1 2")
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self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx_array\.\[1\]\",exp=\"\[1\]\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",value=\"\{\.\.\.\}\",has_more=\"0\"\}\],has_more=\"0\"")
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self.runCmd("-var-list-children --all-values var_pcomplx 1 2")
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self.expect("\^done,numchild=\"1\",children=\[child={name=\"var_pcomplx\.complx\",exp=\"complx\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",value=\"\{\.\.\.\}\",has_more=\"0\"\}\],has_more=\"0\"")
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# Test that -var-list-children lists children with simple values
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self.runCmd("-var-list-children 2 var_complx 2 4")
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self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx\.complex_ptr\",exp=\"complex_ptr\",numchild=\"3\",type=\"complex_type \*\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"0\"")
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self.runCmd("-var-list-children --simple-values var_complx 2 4")
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self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx\.complex_ptr\",exp=\"complex_ptr\",numchild=\"3\",type=\"complex_type \*\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"0\"")
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self.runCmd("-var-list-children --simple-values var_complx_array 2 4")
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self.expect("\^done,numchild=\"0\",has_more=\"0\"")
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self.runCmd("-var-list-children --simple-values var_pcomplx 2 4")
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self.expect("\^done,numchild=\"0\",has_more=\"0\"")
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# Test that an invalid from is handled
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# FIXME: -1 is treated as unsigned int
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self.runCmd("-var-list-children 0 var_complx -1 0")
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#self.expect("\^error,msg=\"Command 'var-list-children'\. Variable children range invalid\"")
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# Test that an invalid to is handled
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# FIXME: -1 is treated as unsigned int
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self.runCmd("-var-list-children 0 var_complx 0 -1")
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#self.expect("\^error,msg=\"Command 'var-list-children'\. Variable children range invalid\"")
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# Test that a missing low-frame or high-frame is handled
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self.runCmd("-var-list-children 0 var_complx 0")
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self.expect("\^error,msg=\"Command 'var-list-children'. Variable children range invalid\"")
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if __name__ == '__main__':
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unittest2.main()
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