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# TestSwiftInterfaceDSYM.py
#
# This source file is part of the Swift.org open source project
#
# Copyright (c) 2019 Apple Inc. and the Swift project authors
# Licensed under Apache License v2.0 with Runtime Library Exception
#
# See https://swift.org/LICENSE.txt for license information
# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
#
# -----------------------------------------------------------------------------
import lldb
import os
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
import unittest2
class TestSwiftInterfaceDSYM(TestBase):
@swiftTest
@skipIf(archs=no_match("x86_64"))
@skipIf(debug_info=no_match(["dsym"]))
def test_dsym_swiftinterface(self):
"""Test that LLDB can import .swiftinterface files inside a .dSYM bundle."""
self.build()
self.assertFalse(os.path.isdir(self.getBuildArtifact("AA.dylib.dSYM")),
"dylib dsym exists")
# The custom swift module cache location
swift_mod_cache = self.getBuildArtifact("cache")
self.assertTrue(os.path.isfile(self.getBuildArtifact(
"a.out.dSYM/Contents/Resources/Swift/x86_64/AA.swiftinterface")),
"dsymutil doesn't support Swift interfaces")
# Delete the .swiftinterface form the build dir.
os.remove(self.getBuildArtifact("AA.swiftinterface"))
# Clear the swift module cache (populated by the Makefile build)
shutil.rmtree(swift_mod_cache)
import glob
self.assertFalse(os.path.isdir(swift_mod_cache),
"module cache should not exist")
# Update the settings to use the custom module cache location
self.runCmd('settings set symbols.clang-modules-cache-path "%s"'
% swift_mod_cache)
# Set a breakpoint in and launch the main executable
lldbutil.run_to_source_breakpoint(
self, "break here", lldb.SBFileSpec("main.swift"))
# Check we are able to access the public fields of variables whose
# types are from the .swiftinterface-only dylibs
var = self.frame().FindVariable("x")
lldbutil.check_variable(self, var, False, typename="AA.MyPoint")
child_y = var.GetChildMemberWithName("y") # MyPoint.y is public
lldbutil.check_variable(self, child_y, False, value="0")
# MyPoint.x isn't public, but LLDB can find it through type metadata.
child_x = var.GetChildMemberWithName("x")
self.assertTrue(child_x.IsValid())
# Expression evaluation using types from the .swiftinterface only
# dylibs should work too
lldbutil.check_expression(
self, self.frame(), "y.magnitudeSquared", "404", use_summary=False)
lldbutil.check_expression(
self, self.frame(), "MyPoint(x: 1, y: 2).magnitudeSquared", "5",
use_summary=False)
# Check the swift module cache was populated with the .swiftmodule
# files of the loaded modules
self.assertTrue(os.path.isdir(swift_mod_cache), "module cache exists")
a_modules = glob.glob(os.path.join(swift_mod_cache, 'AA-*.swiftmodule'))
self.assertEqual(len(a_modules), 1)
@swiftTest
@skipIf(archs=no_match("x86_64"))
@skipIf(debug_info=no_match(["dsym"]))
def test_sanity_negative(self):
"""without the swiftinterface the test should fail"""
self.build()
self.assertFalse(os.path.isdir(self.getBuildArtifact("AA.dylib.dSYM")),
"dylib dsym exists")
swift_mod_cache = self.getBuildArtifact("cache")
# Delete the .swiftinterfaces from the .dSYM bundle.
shutil.rmtree(
self.getBuildArtifact("a.out.dSYM/Contents/Resources/Swift"),
ignore_errors=True)
# Delete the .swiftinterface form the build dir.
os.remove(self.getBuildArtifact("AA.swiftinterface"))
shutil.rmtree(swift_mod_cache)
self.runCmd('settings set symbols.clang-modules-cache-path "%s"'
% swift_mod_cache)
# Set a breakpoint in and launch the main executable
lldbutil.run_to_source_breakpoint(
self, "break here", lldb.SBFileSpec("main.swift"))
# We should not find a type for x.
var = self.frame().FindVariable("x")
# This was true for SwiftASTContext, but
# TypeSystemSwiftTyperef succeeds, because this test it only
# prints the type *name*.
self.assertEqual(var.GetTypeName(), "AA.MyPoint")
# Evaluating an expression fails, though.
self.expect("expression x", error=1)
@swiftTest
@skipIf(archs=no_match("x86_64"))
@skipIf(debug_info=no_match(["dsym"]))
def test_sanity_positive(self):
"""Test that the presence of a .swiftinterface doesn't shadow a
.swiftmodule"""
self.build(dictionary={'DYLIB_DSYM': 'YES'})
self.assertTrue(os.path.isdir(self.getBuildArtifact("libAA.dylib.dSYM")),
"dylib dsym exists")
swift_mod_cache = self.getBuildArtifact("cache")
self.assertTrue(os.path.isdir("%s.dSYM/Contents/Resources/Swift"
%self.getBuildArtifact()),
"dsymutil doesn't support Swift interfaces")
shutil.rmtree(swift_mod_cache)
self.runCmd('settings set symbols.clang-modules-cache-path "%s"'
% swift_mod_cache)
# Set a breakpoint in and launch the main executable
target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
self, "break here", lldb.SBFileSpec("main.swift"))
self.expect('breakpoint set -f AA.swift -l 11')
#
# main.swift
#
# We *should* find a type for x.
var = self.frame().FindVariable("x")
lldbutil.check_variable(self, var, typename="AA.MyPoint")
# MyPoint.x is private.
child_x = var.GetChildMemberWithName("x")
self.assertTrue(child_x.IsValid())
# The expression evaluator sees the whole program, so it also
# sees the private members.
self.expect("expression x", substrs=["x = 10"])
# FIXME: this doesn't work, the summary/value is null/null.
#lldbutil.check_expression(
# self, frame, "x", "x = 10", use_summary=False)
#
# AA.swift
#
process.Continue()
var = self.frame().FindVariable("self")
lldbutil.check_variable(self, var, typename="AA.MyPoint")
# MyPoint.x is private and we should still see it.
child_x = var.GetChildMemberWithName("x")
lldbutil.check_variable(self, child_x, value="10")
self.expect("expression self", substrs=["x = 10"])
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