f56cb520d8
Currently we are not emitting debug-info for all cases of structured bindings a C++17 feature which allows us to bind names to subobjects in an initializer. A structured binding is represented by a DecompositionDecl AST node and the binding are represented by a BindingDecl. It looks the original implementation only covered the tuple like case which be represented by a DeclRefExpr which contains a VarDecl. If the binding is to a subobject of the struct the binding will contain a MemberExpr and in the case of arrays it will contain an ArraySubscriptExpr. This PR adds support emitting debug-info for the MemberExpr and ArraySubscriptExpr cases as well as llvm and lldb tests for these cases as well as the tuple case. Differential Revision: https://reviews.llvm.org/D119178
85 lines
4.4 KiB
Python
85 lines
4.4 KiB
Python
import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class TestStructuredBinding(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@skipIf(compiler="clang", compiler_version=['<', '14.0'])
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def test(self):
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self.build()
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lldbutil.run_to_source_breakpoint(self, "// break here", lldb.SBFileSpec("main.cpp"))
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self.expect_expr("a1", result_type="A",
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result_children=[ValueCheck(name="x", type="int"),
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ValueCheck(name="y", type="int")])
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self.expect_expr("b1", result_type="char", result_value="'a'")
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self.expect_expr("c1", result_type="char", result_value="'b'")
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self.expect_expr("d1", result_type="short", result_value="50")
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self.expect_expr("e1", result_type="int", result_value="60")
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self.expect_expr("f1", result_type="char", result_value="'c'")
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self.expect_expr("a2", result_type="A",
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result_children=[ValueCheck(name="x", type="int"),
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ValueCheck(name="y", type="int")])
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self.expect_expr("b2", result_type="char", result_value="'a'")
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self.expect_expr("c2", result_type="char", result_value="'b'")
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self.expect_expr("d2", result_type="short", result_value="50")
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self.expect_expr("e2", result_type="int", result_value="60")
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self.expect_expr("f2", result_type="char", result_value="'c'")
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self.expect_expr("a3", result_type="A",
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result_children=[ValueCheck(name="x", type="int"),
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ValueCheck(name="y", type="int")])
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self.expect_expr("b3", result_type="char", result_value="'a'")
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self.expect_expr("c3", result_type="char", result_value="'b'")
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self.expect_expr("d3", result_type="short", result_value="50")
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self.expect_expr("e3", result_type="int", result_value="60")
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self.expect_expr("f3", result_type="char", result_value="'c'")
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self.expect_expr("carr_ref1", result_type="char", result_value="'a'")
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self.expect_expr("carr_ref2", result_type="char", result_value="'b'")
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self.expect_expr("carr_ref3", result_type="char", result_value="'c'")
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self.expect_expr("sarr_ref1", result_type="short", result_value="11")
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self.expect_expr("sarr_ref2", result_type="short", result_value="12")
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self.expect_expr("sarr_ref3", result_type="short", result_value="13")
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self.expect_expr("iarr_ref1", result_type="int", result_value="22")
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self.expect_expr("iarr_ref2", result_type="int", result_value="33")
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self.expect_expr("iarr_ref3", result_type="int", result_value="44")
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self.expect_expr("carr_rref1", result_type="char", result_value="'a'")
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self.expect_expr("carr_rref2", result_type="char", result_value="'b'")
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self.expect_expr("carr_rref3", result_type="char", result_value="'c'")
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self.expect_expr("sarr_rref1", result_type="short", result_value="11")
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self.expect_expr("sarr_rref2", result_type="short", result_value="12")
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self.expect_expr("sarr_rref3", result_type="short", result_value="13")
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self.expect_expr("iarr_rref1", result_type="int", result_value="22")
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self.expect_expr("iarr_rref2", result_type="int", result_value="33")
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self.expect_expr("iarr_rref3", result_type="int", result_value="44")
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self.expect_expr("carr_copy1", result_type="char", result_value="'a'")
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self.expect_expr("carr_copy2", result_type="char", result_value="'b'")
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self.expect_expr("carr_copy3", result_type="char", result_value="'c'")
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self.expect_expr("sarr_copy1", result_type="short", result_value="11")
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self.expect_expr("sarr_copy2", result_type="short", result_value="12")
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self.expect_expr("sarr_copy3", result_type="short", result_value="13")
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self.expect_expr("iarr_copy1", result_type="int", result_value="22")
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self.expect_expr("iarr_copy2", result_type="int", result_value="33")
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self.expect_expr("iarr_copy3", result_type="int", result_value="44")
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self.expect_expr("tx1", result_type="float", result_value="4")
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self.expect_expr("ty1", result_type="char", result_value="'z'")
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self.expect_expr("tz1", result_type="int", result_value="10")
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self.expect_expr("tx2", result_type="float", result_value="4")
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self.expect_expr("ty2", result_type="char", result_value="'z'")
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self.expect_expr("tz2", result_type="int", result_value="10")
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