================
@@ -0,0 +1,233 @@
+"""
+Make sure 'frame var' using DIL parser/evaultor works for C-Style casts.
+"""
+
+import lldb
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test.decorators import *
+from lldbsuite.test import lldbutil
+
+import os
+import shutil
+import time
+
+class TestFrameVarDILCStyleCast(TestBase):
+ NO_DEBUG_INFO_TESTCASE = True
+
+ def expect_var_path(self, expr, compare_to_framevar=False, value=None,
type=None):
+ value_dil = super().expect_var_path(expr, value=value, type=type)
+ if compare_to_framevar:
+ self.runCmd("settings set target.experimental.use-DIL false")
+ value_frv = super().expect_var_path(expr, value=value, type=type)
+ self.runCmd("settings set target.experimental.use-DIL true")
+ self.assertEqual(value_dil.GetValue(), value_frv.GetValue())
+
+ def test_type_cast(self):
+ self.build()
+ (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
+ self, "Set a breakpoint here", lldb.SBFileSpec("main.cpp")
+ )
+
+ self.runCmd("settings set target.experimental.use-DIL true")
+
+ # TestCStyleCastBUiltins
+
+ self.expect_var_path("(int)1", value="1", type="int")
+ self.expect_var_path("(long long)1", value="1", type="long long")
+ self.expect_var_path("(unsigned long)1", value="1", type="unsigned
long")
+ self.expect_var_path("(char*)1", value="0x0000000000000001",
type="char *")
+ self.expect_var_path("(long long**)1", value="0x0000000000000001",
type="long long **")
+
+ self.expect("frame variable '(long&*)1'", error=True,
+ substrs=["'type name' declared as a pointer to a reference"
+ " of type 'long &'"])
+
+ self.expect("frame variable '(long& &)1'", error=True,
+ substrs=["type name declared as a reference to a
reference"])
+
+ self.expect("frame variable '(long 1)1'", error=True,
+ substrs=["expected 'r_paren', got: <'1' "
+ "(integer_constant)>"])
+
+ # TestCStyleCastBasicType
+
+ # Test with integer literals.
+ self.expect_var_path("(char)1", type="char", value="'\\x01'")
+ self.expect_var_path("(long long)1", type="long long", value="1")
+ self.expect_var_path("(short)65534", type="short", value="-2")
+ self.expect_var_path("(unsigned short)100000",
+ type="unsigned short", value="34464")
+ self.expect_var_path("(float)1", type="float", value="1")
+ self.expect_var_path("(float)1.1", type="float", value="1.10000002")
+ self.expect_var_path("(float)1.1f", type="float", value="1.10000002")
+ self.expect_var_path("(double)1", type="double", value="1")
+ self.expect_var_path("(double)1.1",
+ type="double", value="1.1000000000000001")
+ self.expect_var_path("(double)1.1f",
+ type="double", value="1.1000000238418579")
+ self.expect_var_path("(int)1.1", type="int", value="1")
+ self.expect_var_path("(int)1.1f", type="int", value="1")
+ self.expect_var_path("(long)1.1", type="long", value="1")
+ self.expect_var_path("(bool)0", type="bool", value="false")
+ self.expect_var_path("(bool)0.0", type="bool", value="false")
+ self.expect_var_path("(bool)0.0f", type="bool", value="false")
+ self.expect_var_path("(bool)3", type="bool", value="true")
+
+ self.expect("frame variable '&(int)1'", error=True,
+ substrs=["'result' doesn't have a valid address"])
+
+ # Test with variables.
+ self.expect_var_path("(char)a", type="char", value="'\\x01'")
+ self.expect_var_path("(unsigned char)na", type="unsigned char",
value="'\\xff'")
+ self.expect_var_path("(short)na", type="short", value="-1")
+ self.expect_var_path("(long long)a", type="long long", value="1")
+ self.expect_var_path("(float)a", type="float", value="1")
+ self.expect_var_path("(float)f", type="float", value="1.10000002")
+ self.expect_var_path("(double)f",
+ type="double", value="1.1000000238418579")
+ self.expect_var_path("(int)f", type="int", value="1")
+ self.expect_var_path("(long)f", type="long", value="1")
+ self.expect_var_path("(bool)finf", type="bool", value="true")
+ self.expect_var_path("(bool)fnan", type="bool", value="true")
+ self.expect_var_path("(bool)fsnan", type="bool", value="true")
+ self.expect_var_path("(bool)fmax", type="bool", value="true")
+ self.expect_var_path("(bool)fdenorm", type="bool", value="true")
+ self.expect("frame variable '(int)ns_foo_'", error=True,
+ substrs=["cannot convert 'ns::Foo' to 'int' without a "
+ "conversion operator"])
+
+ # Test with typedefs and namespaces.
+ self.expect_var_path("(myint)1", type="myint", value="1")
+ self.expect_var_path("(myint)1LL", type="myint", value="1")
+ self.expect_var_path("(ns::myint)1", type="ns::myint", value="1")
+ self.expect_var_path("(::ns::myint)1", type="ns::myint", value="1")
+ self.expect_var_path("(::ns::myint)myint_", type="ns::myint",
value="1")
+
+ self.expect_var_path("(int)myint_", type="int", value="1")
+ self.expect_var_path("(int)ns_myint_", type="int", value="2")
+ self.expect_var_path("(long long)myint_", type="long long", value="1")
+ self.expect_var_path("(long long)ns_myint_", type="long long",
value="2")
+ self.expect_var_path("(::ns::myint)myint_", type="ns::myint",
value="1")
+
+ self.expect_var_path("(ns::inner::mydouble)1",
type="ns::inner::mydouble", value="1")
+ self.expect_var_path("(::ns::inner::mydouble)1.2",
+ type="ns::inner::mydouble", value="1.2")
+ self.expect_var_path("(ns::inner::mydouble)myint_",
+ type="ns::inner::mydouble", value="1")
+ self.expect_var_path("(::ns::inner::mydouble)ns_inner_mydouble_",
+ type="ns::inner::mydouble", value="1.2")
+ self.expect_var_path("(myint)ns_inner_mydouble_",
+ type="myint", value="1")
+
+ # Test with pointers and arrays.
+ self.expect_var_path("(long long)ap", type="long long")
+ self.expect_var_path("(unsigned long long)vp", type="unsigned long
long")
+ self.expect_var_path("(long long)arr", type="long long")
+ self.expect_var_path("(bool)ap", type="bool", value="true")
+ self.expect_var_path("(bool)(int*)0x00000000",
+ type="bool", value="false")
+ self.expect_var_path("(bool)arr", type="bool", value="true")
+ self.expect("frame variable '(char)ap'", error=True,
+ substrs=["cast from pointer to smaller type 'char' loses "
+ "information"])
+ Is32Bit = False
+ if self.target().GetAddressByteSize() == 4:
+ Is32Bit = True;
+
+ if Is32Bit:
+ self.expect("frame variable '(int)arr'", error=True,
+ substrs=["cast from pointer to smaller type 'int' loses"
+ " information"])
----------------
kuilpd wrote:
Shouldn't this success on a 32-bit system?
https://github.com/llvm/llvm-project/pull/159500
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