Add Swift tests for memory read -t <typename>

Author: kastiglione

lldb/test/API/lang/swift/command_memory_read/Makefile

@@ -0,0 +1,3 @@
+SWIFT_SOURCES := main.swift
+SWIFTFLAGS_EXTRAS := -parse-as-library
+include Makefile.rules

lldb/test/API/lang/swift/command_memory_read/TestSwiftMemoryRead.py

@@ -0,0 +1,58 @@
+import lldb
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test.decorators import *
+import lldbsuite.test.lldbutil as lldbutil
+
+
+class TestCase(TestBase):
+    @swiftTest
+    def test_scalar_types(self):
+        self.build()
+        _, _, thread, _ = lldbutil.run_to_source_breakpoint(
+            self, "break here", lldb.SBFileSpec("main.swift")
+        )
+        frame = thread.selected_frame
+
+        child = frame.var("name")
+        for t in ("String", "$sSSD"):
+            self.expect(
+                f"memory read -t {t} {child.load_addr}",
+                substrs=[f'(String) 0x{child.load_addr:x} = "dirk"'],
+            )
+
+        child = frame.var("number")
+        for t in ("Int", "$sSiD"):
+            self.expect(
+                f"memory read -t {t} {child.load_addr}",
+                substrs=[f"(Int) 0x{child.load_addr:x} = 41"],
+            )
+
+        child = frame.var("fact")
+        for t in ("Bool", "$sSbD"):
+            self.expect(
+                f"memory read -t {t} {child.load_addr}",
+                substrs=[f"(Bool) 0x{child.load_addr:x} = true"],
+            )
+
+    @swiftTest
+    @expectedFailureAll
+    def test_generic_types(self):
+        self.build()
+        _, _, thread, _ = lldbutil.run_to_source_breakpoint(
+            self, "break here", lldb.SBFileSpec("main.swift")
+        )
+        frame = thread.selected_frame
+
+        child = frame.var("maybe")
+        for t in ("UInt64?", "$ss6UInt64VSgD"):
+            self.expect(
+                f"memory read -t {t} {child.load_addr}",
+                substrs=[f"(UInt64?) 0x{child.load_addr:x} = nil"],
+            )
+
+        child = frame.var("bytes")
+        for t in ("[UInt8]", "$sSays5UInt8VGD"):
+            self.expect(
+                f"memory read -t {t} {child.load_addr}",
+                substrs=[f"([UInt8]) 0x{child.load_addr:x} = [1, 2, 4, 8]"],
+            )

lldb/test/API/lang/swift/command_memory_read/main.swift

@@ -0,0 +1,10 @@
+@main enum Entry {
+    static func main() {
+        var name: String = "dirk"
+        var number: Int = 41
+        var fact: Bool = true
+        var maybe: UInt64? = nil
+        var bytes: [UInt8] = [1, 2, 4, 8]
+        print("break here", name, number, fact, maybe, bytes)
+    }
+}