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Fix and improve C comment indent heuristic

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Jonathan Müller 2018-01-15 09:08:48 +01:00
commit 1e5271a4b7
2 changed files with 16 additions and 6 deletions
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17
src/libclang/preprocessor.cpp
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@ -192,7 +192,7 @@ namespace
{
public:
position(ts::object_ref<std::string> result, const char* ptr) noexcept
: result_(result), cur_line_(1u), ptr_(ptr), write_(true)
: result_(result), cur_line_(1u), cur_column_(0u), ptr_(ptr), write_(true)
{
}
@ -436,13 +436,20 @@ namespace
while (!result.comment.empty() && result.comment.back() == ' ')
result.comment.pop_back();
// skip newline
p.skip_with_linecount();
result.comment += '\n';
// skip newline(s)
while (starts_with(p, "\n"))
{
p.skip_with_linecount();
result.comment += '\n';
}
// skip indentation
auto actual_indent = 0u;
for (auto i = 0u; i < indent && starts_with(p, " "); ++i)
{
++actual_indent;
p.skip();
}
auto extra_indent = 0u;
while (starts_with(p, " "))
@ -463,6 +470,8 @@ namespace
{
// insert extra indent again
result.comment += std::string(extra_indent, ' ');
// use minimum indent in the future
indent = std::min(actual_indent, indent);
}
}
else

5
test/cpp_preprocessor.cpp
View file

@ -202,7 +202,8 @@ TEST_CASE("comment content")
/** Multiline
C
comment */
comment
with indent */
/** Multiline
C
@ -227,7 +228,7 @@ comment */
REQUIRE(comments[2u].content == "multi\nline\ncomment");
REQUIRE(comments[3u].content == "C comment");
REQUIRE(comments[4u].content == "C comment no space");
REQUIRE(comments[5u].content == "Multiline\nC\ncomment");
REQUIRE(comments[5u].content == "Multiline\nC\n comment\nwith indent");
REQUIRE(comments[6u].content == "Multiline\nC\n comment\n with\n indent");
REQUIRE(comments[7u].content == "Multiline\nC\ncomment\nwith\nindent\nstar");
}