[lldb] Add std::array to the supported template list of the CxxModuleHandler

Identical to the other patches that add STL containers to the supported
templated list.

lldb/test/API/commands/expression/import-std-module/array/TestArrayFromStdModule.py

@@ -0,0 +1,86 @@
+"""
+Test basic std::array functionality.
+"""
+
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class TestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @add_test_categories(["libc++"])
+    @skipIf(compiler=no_match("clang"))
+    def test(self):
+        self.build()
+
+        lldbutil.run_to_source_breakpoint(self,
+                                          "// Set break point at this line.",
+                                          lldb.SBFileSpec("main.cpp"))
+
+        self.runCmd("settings set target.import-std-module true")
+
+
+        # Test inspecting an array of integers.
+        array_type = "std::array<int, 3>"
+        size_type = "std::array::size_type"
+        value_type = array_type + "::value_type"
+
+        iterator = array_type + "::iterator"
+        riterator = array_type + "::reverse_iterator"
+
+        self.expect_expr("a",
+                         result_type=array_type,
+                         result_children=[
+                             ValueCheck(name="__elems_", children=[
+                                 ValueCheck(value="3"),
+                                 ValueCheck(value="1"),
+                                 ValueCheck(value="2"),
+                             ])
+                         ])
+        self.expect_expr("a.size()", result_type=size_type, result_value="3")
+        self.expect_expr("a.front()", result_type=value_type, result_value="3")
+        self.expect_expr("a[1]", result_type=value_type, result_value="1")
+        self.expect_expr("a.back()", result_type=value_type, result_value="2")
+
+        # Both are just pointers to the underlying elements.
+        self.expect_expr("a.begin()", result_type=iterator)
+        self.expect_expr("a.rbegin()", result_type=riterator)
+
+        self.expect_expr("*a.begin()", result_type=value_type, result_value="3")
+        self.expect_expr("*a.rbegin()", result_type="int", result_value="2")
+
+        self.expect_expr("a.at(0)", result_type=value_type, result_value="3")
+
+
+        # Same again with an array that has an element type from debug info.
+        array_type = "std::array<DbgInfo, 1>"
+        size_type = "std::array::size_type"
+        value_type = array_type + "::value_type"
+
+        iterator = array_type + "::iterator"
+        riterator = array_type + "::reverse_iterator"
+        dbg_info_elem_children = [ValueCheck(value="4")]
+        dbg_info_elem = [ValueCheck(children=dbg_info_elem_children)]
+
+        self.expect_expr("b",
+                         result_type=array_type,
+                         result_children=[
+                             ValueCheck(name="__elems_", children=dbg_info_elem)
+                         ])
+        self.expect_expr("b.size()", result_type=size_type, result_value="1")
+        self.expect_expr("b.front()", result_type=value_type, result_children=dbg_info_elem_children)
+        self.expect_expr("b[0]", result_type=value_type, result_children=dbg_info_elem_children)
+        self.expect_expr("b.back()", result_type=value_type, result_children=dbg_info_elem_children)
+
+        # Both are just pointers to the underlying elements.
+        self.expect_expr("b.begin()", result_type=iterator)
+        self.expect_expr("b.rbegin()", result_type=riterator)
+
+        self.expect_expr("*b.begin()", result_type=value_type, result_children=dbg_info_elem_children)
+        self.expect_expr("*b.rbegin()", result_type="DbgInfo", result_children=dbg_info_elem_children)
+
+        self.expect_expr("b.at(0)", result_type=value_type, result_children=dbg_info_elem_children)
+