Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

3 files changed, 106 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/blocks/Makefile b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/blocks/Makefile
new file mode 100644
index 00000000000..57083c95274
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/blocks/Makefile
@@ -0,0 +1,4 @@
+C_SOURCES := main.c
+CFLAGS_EXTRAS := -fblocks
+
+include Makefile.rules
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/blocks/TestBlocks.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/blocks/TestBlocks.py
new file mode 100644
index 00000000000..cd82d159248
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/blocks/TestBlocks.py
@@ -0,0 +1,81 @@
+"""Test that lldb can invoke blocks and access variables inside them"""
+
+
+
+import unittest2
+import lldb
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test.decorators import *
+import lldbsuite.test.lldbutil as lldbutil
+
+
+class BlocksTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+    lines = []
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line numbers to break at.
+        self.lines.append(line_number('main.c', '// Set breakpoint 0 here.'))
+        self.lines.append(line_number('main.c', '// Set breakpoint 1 here.'))
+
+    def launch_common(self):
+        self.build()
+        exe = self.getBuildArtifact("a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        self.is_started = False
+
+        # Break inside the foo function which takes a bar_ptr argument.
+        for line in self.lines:
+            lldbutil.run_break_set_by_file_and_line(
+                self, "main.c", line, num_expected_locations=1, loc_exact=True)
+
+        self.wait_for_breakpoint()
+
+    @skipUnlessDarwin
+    def test_expr(self):
+        self.launch_common()
+
+        self.expect("expression a + b", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["= 7"])
+
+        self.expect("expression c", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["= 1"])
+
+        self.wait_for_breakpoint()
+
+        # This should display correctly.
+        self.expect("expression (int)neg (-12)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["= 12"])
+
+    @skipUnlessDarwin
+    def test_define(self):
+        self.launch_common()
+
+        self.runCmd(
+            "expression int (^$add)(int, int) = ^int(int a, int b) { return a + b; };")
+        self.expect(
+            "expression $add(2,3)",
+            VARIABLES_DISPLAYED_CORRECTLY,
+            substrs=[" = 5"])
+
+        self.runCmd("expression int $a = 3")
+        self.expect(
+            "expression int (^$addA)(int) = ^int(int b) { return $a + b; };",
+            "Proper error is reported on capture",
+            error=True)
+
+    def wait_for_breakpoint(self):
+        if not self.is_started:
+            self.is_started = True
+            self.runCmd("process launch", RUN_SUCCEEDED)
+        else:
+            self.runCmd("process continue", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+                    substrs=['stopped',
+                             'stop reason = breakpoint'])
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/blocks/main.c b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/blocks/main.c
new file mode 100644
index 00000000000..415e6c6d033
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/c/blocks/main.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+
+int main()
+{
+    int c = 1;
+
+    int (^add)(int, int) = ^int(int a, int b)
+    {
+        return a + b + c; // Set breakpoint 0 here.
+    };
+
+    int (^neg)(int) = ^int(int a)
+    {
+        return -a;
+    };
+
+    printf("%d\n", add(3, 4));
+    printf("%d\n", neg(-5)); // Set breakpoint 1 here.
+
+    return 0;
+}