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Add tokenizer

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This commit is contained in:
Jonathan Müller 2017-02-21 20:06:07 +01:00
commit 1d083978ca
5 changed files with 282 additions and 11 deletions
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41
src/libclang/raii_wrapper.hpp
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@ -10,6 +10,7 @@
#include <utility>
#include <clang-c/Index.h>
#include <type_safe/optional.hpp>
#include <cppast/detail/assert.hpp>
@ -89,22 +90,33 @@ namespace cppast
class cxstring
{
public:
explicit cxstring(CXString str) noexcept
: str_(str), c_str_(clang_getCString(str)), length_(std::strlen(c_str_))
explicit cxstring(CXString str) noexcept : str_(string(str))
{
}
cxstring(const cxstring&) = delete;
cxstring& operator=(const cxstring&) = delete;
cxstring(cxstring&& other) noexcept : str_(other.str_)
{
other.str_.reset();
}
cxstring& operator=(cxstring&& other) noexcept
{
if (str_)
clang_disposeString(str_.value().str);
str_ = other.str_;
other.str_.reset();
return *this;
}
~cxstring() noexcept
{
clang_disposeString(str_);
if (str_)
clang_disposeString(str_.value().str);
}
const char* c_str() const noexcept
{
return c_str_;
return str_ ? str_.value().c_str : "";
}
char operator[](std::size_t i) const noexcept
@ -114,13 +126,22 @@ namespace cppast
std::size_t length() const noexcept
{
return length_;
return str_ ? str_.value().length : 0u;
}
private:
CXString str_;
const char* c_str_;
std::size_t length_;
struct string
{
CXString str;
const char* c_str;
std::size_t length;
explicit string(CXString str)
: str(std::move(str)), c_str(clang_getCString(str)), length(std::strlen(c_str))
{
}
};
type_safe::optional<string> str_;
};
inline bool operator==(const cxstring& a, const cxstring& b) noexcept