Michael137 updated this revision to Diff 469267.
Michael137 added a comment.
- Support certain special tokens
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D136306/new/
https://reviews.llvm.org/D136306
Files:
lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.cpp
lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.h
lldb/test/API/functionalities/step-avoids-regexp/TestStepAvoidsRegexp.py
lldb/test/API/functionalities/step-avoids-regexp/main.cpp
lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp
Index: lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp
===================================================================
--- lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp
+++ lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp
@@ -120,7 +120,47 @@
"test_return_auto<int>", "()", "const", "std::test_return_auto<int>"},
{"decltype(auto) std::test_return_auto<int>(int) const", "std",
"test_return_auto<int>", "(int)", "const",
- "std::test_return_auto<int>"}};
+ "std::test_return_auto<int>"},
+
+ // abi_tag on class
+ {"v1::v2::Dummy[abi:c1][abi:c2]<v1::v2::Dummy[abi:c1][abi:c2]<int>> "
+ "v1::v2::Dummy[abi:c1][abi:c2]<v1::v2::Dummy[abi:c1][abi:c2]<int>>"
+ "::method2<v1::v2::Dummy[abi:c1][abi:c2]<v1::v2::Dummy[abi:c1][abi:c2]<int>>>(int, v1::v2::Dummy<int>) const &&",
+ // Context
+ "v1::v2::Dummy[abi:c1][abi:c2]<v1::v2::Dummy[abi:c1][abi:c2]<int>>",
+ // Basename
+ "method2<v1::v2::Dummy[abi:c1][abi:c2]<v1::v2::Dummy[abi:c1][abi:c2]<int>>>",
+ // Args, qualifiers
+ "(int, v1::v2::Dummy<int>)", "const &&",
+ // Full scope-qualified name without args
+ "v1::v2::Dummy[abi:c1][abi:c2]<v1::v2::Dummy[abi:c1][abi:c2]<int>>"
+ "::method2<v1::v2::Dummy[abi:c1][abi:c2]<v1::v2::Dummy[abi:c1][abi:c2]<int>>>"},
+
+ // abi_tag on free function and template argument
+ {"v1::v2::Dummy[abi:c1][abi:c2]<v1::v2::Dummy[abi:c1][abi:c2]<int>> "
+ "v1::v2::with_tag_in_ns[abi:f1][abi:f2]<v1::v2::Dummy[abi:c1][abi:c2]"
+ "<v1::v2::Dummy[abi:c1][abi:c2]<int>>>(int, v1::v2::Dummy<int>) const &&",
+ // Context
+ "v1::v2",
+ // Basename
+ "with_tag_in_ns[abi:f1][abi:f2]<v1::v2::Dummy[abi:c1][abi:c2]<v1::v2::Dummy[abi:c1][abi:c2]<int>>>",
+ // Args, qualifiers
+ "(int, v1::v2::Dummy<int>)", "const &&",
+ // Full scope-qualified name without args
+ "v1::v2::with_tag_in_ns[abi:f1][abi:f2]<v1::v2::Dummy[abi:c1][abi:c2]<v1::v2::Dummy[abi:c1][abi:c2]<int>>>"},
+
+ // abi_tag with special characters
+ {"auto ns::with_tag_in_ns[abi:special tag,0.0][abi:special tag,1.0]<Dummy<int>>"
+ "(float) const &&",
+ // Context
+ "ns",
+ // Basename
+ "with_tag_in_ns[abi:special tag,0.0][abi:special tag,1.0]<Dummy<int>>",
+ // Args, qualifiers
+ "(float)", "const &&",
+ // Full scope-qualified name without args
+ "ns::with_tag_in_ns[abi:special tag,0.0][abi:special tag,1.0]<Dummy<int>>"}
+ };
for (const auto &test : test_cases) {
CPlusPlusLanguage::MethodName method(ConstString(test.input));
Index: lldb/test/API/functionalities/step-avoids-regexp/main.cpp
===================================================================
--- lldb/test/API/functionalities/step-avoids-regexp/main.cpp
+++ lldb/test/API/functionalities/step-avoids-regexp/main.cpp
@@ -1,4 +1,6 @@
namespace ignore {
+struct Dummy {};
+
template <typename T> auto auto_ret(T x) { return 0; }
[[gnu::abi_tag("test")]] int with_tag() { return 0; }
template <typename T> [[gnu::abi_tag("test")]] int with_tag_template() {
@@ -8,9 +10,15 @@
template <typename T> decltype(auto) decltype_auto_ret(T x) { return 0; }
} // namespace ignore
+template <typename T>
+[[gnu::abi_tag("test")]] ignore::Dummy with_tag_template_returns_ignore(T x) {
+ return {};
+}
+
int main() {
auto v1 = ignore::auto_ret<int>(5);
auto v2 = ignore::with_tag();
auto v3 = ignore::decltype_auto_ret<int>(5);
auto v4 = ignore::with_tag_template<int>();
+ auto v5 = with_tag_template_returns_ignore<int>(5);
}
Index: lldb/test/API/functionalities/step-avoids-regexp/TestStepAvoidsRegexp.py
===================================================================
--- lldb/test/API/functionalities/step-avoids-regexp/TestStepAvoidsRegexp.py
+++ lldb/test/API/functionalities/step-avoids-regexp/TestStepAvoidsRegexp.py
@@ -37,13 +37,10 @@
self.thread.StepInto()
self.hit_correct_function("main")
- @skipIfWindows
- @expectedFailureAll(bugnumber="rdar://100645742")
- def test_step_avoid_regex_abi_tagged_template(self):
- """Tests stepping into an ABI tagged function that matches the avoid regex"""
- self.build()
- (_, _, self.thread, _) = lldbutil.run_to_source_breakpoint(self, "with_tag_template", lldb.SBFileSpec('main.cpp'))
-
# Try to step into ignore::with_tag_template
self.thread.StepInto()
self.hit_correct_function("main")
+
+ # Step into with_tag_template_returns_ignore (outside 'ignore::' namespace)
+ self.thread.StepInto()
+ self.hit_correct_function("with_tag_template_returns_ignore")
Index: lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.h
===================================================================
--- lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.h
+++ lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.h
@@ -117,6 +117,7 @@
void Advance();
void TakeBack();
bool ConsumeToken(clang::tok::TokenKind kind);
+
template <typename... Ts> bool ConsumeToken(Ts... kinds);
Bookmark SetBookmark();
size_t GetCurrentPosition();
@@ -164,6 +165,16 @@
// Consumes full type name like 'Namespace::Class<int>::Method()::InnerClass'
bool ConsumeTypename();
+ /// Consumes ABI tags enclosed within '[abi:' ... ']'
+ ///
+ /// Since there is no restriction on what the ABI tag
+ /// string may contain, this API supports parsing a small
+ /// set of special characters.
+ ///
+ /// The following regex describes the set of supported characters:
+ /// [A-Za-z,.\s\d]+
+ bool ConsumeAbiTag();
+
llvm::Optional<ParsedNameRanges> ParseFullNameImpl();
llvm::StringRef GetTextForRange(const Range &range);
Index: lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.cpp
===================================================================
--- lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.cpp
+++ lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.cpp
@@ -226,9 +226,15 @@
Advance();
break;
case tok::l_square:
- if (!ConsumeBrackets(tok::l_square, tok::r_square))
+ // Handle templates tagged with an ABI tag.
+ // An example demangled/prettified version is:
+ // func[abi:tag1][abi:tag2]<type[abi:tag3]>(int)
+ if (ConsumeAbiTag())
+ can_open_template = true;
+ else if (ConsumeBrackets(tok::l_square, tok::r_square))
+ can_open_template = false;
+ else
return false;
- can_open_template = false;
break;
case tok::l_paren:
if (!ConsumeArguments())
@@ -249,6 +255,34 @@
return true;
}
+bool CPlusPlusNameParser::ConsumeAbiTag() {
+ Bookmark start_position = SetBookmark();
+ if (!ConsumeToken(tok::l_square)) {
+ return false;
+ }
+
+ if (HasMoreTokens() && Peek().is(tok::raw_identifier)
+ && Peek().getRawIdentifier() == "abi") {
+ Advance();
+ } else {
+ return false;
+ }
+
+ if (!ConsumeToken(tok::colon))
+ return false;
+
+ // Consume the actual tag string (and allow some special characters)
+ while (ConsumeToken(tok::raw_identifier, tok::comma,
+ tok::period, tok::numeric_constant))
+ ;
+
+ if (!ConsumeToken(tok::r_square))
+ return false;
+
+ start_position.Remove();
+ return true;
+}
+
bool CPlusPlusNameParser::ConsumeAnonymousNamespace() {
Bookmark start_position = SetBookmark();
if (!ConsumeToken(tok::l_paren)) {
@@ -519,6 +553,19 @@
Advance();
state = State::AfterIdentifier;
break;
+ case tok::l_square: // ABI tag
+ // Handles types or functions that were tagged
+ // with, e.g.,
+ // [[gnu::abi_tag("tag1","tag2")]] func()
+ // and demangled/prettified into:
+ // func[abi:tag1][abi:tag2]()
+ if (state == State::AfterIdentifier) {
+ // Anything other than an ABI tag is invalid at this point.
+ if (!ConsumeAbiTag()) {
+ continue_parsing = false;
+ }
+ }
+ break;
case tok::l_paren: {
if (state == State::Beginning || state == State::AfterTwoColons) {
// (anonymous namespace)
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