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Comment parsing: fix crash on \tparam followed immediately by another block 

command, for example: \tparam\brief.

llvm-svn: 161361
This commit is contained in:
Dmitri Gribenko 2012-08-06 23:48:44 +00:00
parent 5c97c2f7b0
commit 6297fa8a14
2 changed files with 60 additions and 9 deletions
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5
clang/lib/AST/CommentParser.cpp
View File

@ -334,8 +334,11 @@ BlockCommandComment *Parser::parseBlockCommand() {
ParagraphComment *Paragraph = S.actOnParagraphComment(
ArrayRef<InlineContentComment *>());
if (IsParam) {
S.actOnBlockCommandFinish(PC, Paragraph);
S.actOnParamCommandFinish(PC, Paragraph);
return PC;
} else if (IsTParam) {
S.actOnTParamCommandFinish(TPC, Paragraph);
return TPC;
} else {
S.actOnBlockCommandFinish(BC, Paragraph);
return BC;

64
clang/unittests/AST/CommentParser.cpp
View File

@ -205,11 +205,11 @@ template <typename T>
<< " direction, "
"expected " << (IsDirectionExplicit ? "explicit" : "implicit");
if (!PCC->hasParamName())
if (!ParamName.empty() && !PCC->hasParamName())
return ::testing::AssertionFailure()
<< "ParamCommandComment has no parameter name";
StringRef ActualParamName = PCC->getParamName();
StringRef ActualParamName = PCC->hasParamName() ? PCC->getParamName() : "";
if (ActualParamName != ParamName)
return ::testing::AssertionFailure()
<< "ParamCommandComment has parameter name \"" << ActualParamName.str()
@ -238,11 +238,11 @@ template <typename T>
<< "TParamCommandComment has name \"" << ActualCommandName.str() << "\", "
"expected \"" << CommandName.str() << "\"";
if (!TPCC->hasParamName())
if (!ParamName.empty() && !TPCC->hasParamName())
return ::testing::AssertionFailure()
<< "TParamCommandComment has no parameter name";
StringRef ActualParamName = TPCC->getParamName();
StringRef ActualParamName = TPCC->hasParamName() ? TPCC->getParamName() : "";
if (ActualParamName != ParamName)
return ::testing::AssertionFailure()
<< "TParamCommandComment has parameter name \"" << ActualParamName.str()
@ -729,6 +729,31 @@ TEST_F(CommentParserTest, ParamCommand1) {
}
TEST_F(CommentParserTest, ParamCommand2) {
const char *Source = "// \\param\\brief";
FullComment *FC = parseString(Source);
ASSERT_TRUE(HasChildCount(FC, 3));
ASSERT_TRUE(HasParagraphCommentAt(FC, 0, " "));
{
ParamCommandComment *PCC;
ParagraphComment *PC;
ASSERT_TRUE(HasParamCommandAt(FC, 1, PCC, "param",
ParamCommandComment::In,
/* IsDirectionExplicit = */ false,
"", PC));
ASSERT_TRUE(HasChildCount(PCC, 1));
ASSERT_TRUE(HasChildCount(PC, 0));
}
{
BlockCommandComment *BCC;
ParagraphComment *PC;
ASSERT_TRUE(HasBlockCommandAt(FC, 2, BCC, "brief", PC));
ASSERT_TRUE(HasChildCount(PC, 0));
}
}
TEST_F(CommentParserTest, ParamCommand3) {
const char *Sources[] = {
"// \\param aaa Bbb\n",
"// \\param\n"
@ -757,7 +782,7 @@ TEST_F(CommentParserTest, ParamCommand2) {
}
}
TEST_F(CommentParserTest, ParamCommand3) {
TEST_F(CommentParserTest, ParamCommand4) {
const char *Sources[] = {
"// \\param [in] aaa Bbb\n",
"// \\param[in] aaa Bbb\n",
@ -787,7 +812,7 @@ TEST_F(CommentParserTest, ParamCommand3) {
}
}
TEST_F(CommentParserTest, ParamCommand4) {
TEST_F(CommentParserTest, ParamCommand5) {
const char *Sources[] = {
"// \\param [out] aaa Bbb\n",
"// \\param[out] aaa Bbb\n",
@ -817,7 +842,7 @@ TEST_F(CommentParserTest, ParamCommand4) {
}
}
TEST_F(CommentParserTest, ParamCommand5) {
TEST_F(CommentParserTest, ParamCommand6) {
const char *Sources[] = {
"// \\param [in,out] aaa Bbb\n",
"// \\param[in,out] aaa Bbb\n",
@ -848,7 +873,7 @@ TEST_F(CommentParserTest, ParamCommand5) {
}
}
TEST_F(CommentParserTest, ParamCommand6) {
TEST_F(CommentParserTest, ParamCommand7) {
const char *Source =
"// \\param aaa \\% Bbb \\$ ccc\n";
@ -901,6 +926,29 @@ TEST_F(CommentParserTest, TParamCommand1) {
}
}
TEST_F(CommentParserTest, TParamCommand2) {
const char *Source = "// \\tparam\\brief";
FullComment *FC = parseString(Source);
ASSERT_TRUE(HasChildCount(FC, 3));
ASSERT_TRUE(HasParagraphCommentAt(FC, 0, " "));
{
TParamCommandComment *TPCC;
ParagraphComment *PC;
ASSERT_TRUE(HasTParamCommandAt(FC, 1, TPCC, "tparam", "", PC));
ASSERT_TRUE(HasChildCount(TPCC, 1));
ASSERT_TRUE(HasChildCount(PC, 0));
}
{
BlockCommandComment *BCC;
ParagraphComment *PC;
ASSERT_TRUE(HasBlockCommandAt(FC, 2, BCC, "brief", PC));
ASSERT_TRUE(HasChildCount(PC, 0));
}
}
TEST_F(CommentParserTest, InlineCommand1) {
const char *Source = "// \\c";