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import lldb
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbtest as lldbtest
import lldbsuite.test.lldbutil as lldbutil
import unittest2
import os
class TestSwiftMacro(lldbtest.TestBase):
NO_DEBUG_INFO_TESTCASE = True
def setupPluginServerForTesting(self):
# Find the path to the just-built swift-plugin-server.
# FIXME: this is not very robust.
def replace_last(old, new, string):
return new.join(string.rsplit(old, 1))
swift_plugin_server = replace_last('clang', 'swift-plugin-server',
self.getCompiler())
if not os.path.exists(swift_plugin_server):
swift_plugin_server = replace_last('llvm', 'swift',
swift_plugin_server)
self.assertTrue(os.path.exists(swift_plugin_server),
'could not find swift-plugin-server, tried "%s"'
%swift_plugin_server)
self.runCmd(
'settings set target.experimental.swift-plugin-server-for-path %s=%s'
% (self.getBuildDir(), swift_plugin_server))
@swiftTest
# At the time of writing swift/test/Macros/macro_expand.swift is also disabled.
@expectedFailureAll(oslist=["linux"])
def testDebugging(self):
"""Test Swift macros"""
self.build(dictionary={'SWIFT_SOURCES': 'main.swift'})
self.setupPluginServerForTesting()
target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
self, 'break here', lldb.SBFileSpec('main.swift'))
thread.StepOver()
thread.StepInto()
# This is the expanded macro source, we should be able to step into it.
self.expect('reg read pc', substrs=[
'[inlined] freestanding macro expansion #1 of stringify in module a file main.swift line 5 column 11',
'stringify'
])
self.expect('expression -- #stringify(1)', substrs=['0 = 1', '1 = "1"'])
# Make sure we can set a symbolic breakpoint on a macro.
b = target.BreakpointCreateByName("stringify")
self.assertGreaterEqual(b.GetNumLocations(), 1)
@swiftTest
# At the time of writing swift/test/Macros/macro_expand.swift is also disabled.
@expectedFailureAll(oslist=["linux"])
def testInteractive(self):
"""Test Swift macros that are loaded via a user-initiated import"""
self.build(dictionary={'SWIFT_SOURCES': 'empty.swift'})
self.setupPluginServerForTesting()
target, process, thread, bkpt = lldbutil.run_to_name_breakpoint(
self, "main"
)
types_log = self.getBuildArtifact('types.log')
self.expect('log enable lldb types -f "%s"' % types_log)
self.expect('expression -- import Macro')
self.expect('expression -- #stringify(1)', substrs=['0 = 1', '1 = "1"'])
self.filecheck('platform shell cat "%s"' % types_log, __file__)
# CHECK: CacheUserImports(){{.*}}: Macro.
# CHECK: SwiftASTContextForExpressions{{.*}}::LoadOneModule(){{.*}}Imported module Macro from {kind = Serialized Swift AST, filename = "{{.*}}Macro.swiftmodule";}
# CHECK: CacheUserImports(){{.*}}Scanning for search paths in{{.*}}Macro.swiftmodule
# The bots have too old an Xcode for this.
# DISABLED: SwiftASTContextForExpressions{{.*}}::LogConfiguration(){{.*}} -external-plugin-path {{.*}}/Developer/Platforms/{{.*}}.platform/Developer/usr/local/lib/swift/host/plugins{{.*}}#{{.*}}/swift-plugin-server
# CHECK: SwiftASTContextForExpressions{{.*}}::LogConfiguration(){{.*}} -external-plugin-path {{.*}}/lang/swift/macro/{{.*}}#{{.*}}/swift-plugin-server
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