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🚨 fix warnings

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Niels Lohmann committed 2020-06-06 14:30:17 +02:00
1 parent 7444c7fa25
commit bf2e714e96
8 files changed
+163 -142
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include/nlohmann/detail/input/lexer.hpp
+41 -30
View File
@@ -106,12 +106,14 @@ class lexer : public lexer_base<BasicJsonType>
using number_unsigned_t = typename BasicJsonType::number_unsigned_t;
using number_float_t = typename BasicJsonType::number_float_t;
using string_t = typename BasicJsonType::string_t;
using char_type = typename InputAdapterType::char_type;
using char_int_type = typename std::char_traits<char_type>::int_type;
public:
using token_type = typename lexer_base<BasicJsonType>::token_type;
explicit lexer(InputAdapterType&& adapter)
: ia(std::move(adapter)), decimal_point_char(get_decimal_point()) {}
: ia(std::move(adapter)), decimal_point_char(static_cast<char_type>(get_decimal_point())) {}
// delete because of pointer members
lexer(const lexer&) = delete;
@@ -201,7 +203,7 @@ class lexer : public lexer_base<BasicJsonType>
@return true if and only if no range violation was detected
*/
bool next_byte_in_range(std::initializer_list<int> ranges)
bool next_byte_in_range(std::initializer_list<char_int_type> ranges)
{
assert(ranges.size() == 2 or ranges.size() == 4 or ranges.size() == 6);
add(current);
@@ -252,7 +254,7 @@ class lexer : public lexer_base<BasicJsonType>
switch (get())
{
// end of file while parsing string
case std::char_traits<char>::eof():
case std::char_traits<char_type>::eof():
{
error_message = "invalid string: missing closing quote";
return token_type::parse_error;
@@ -370,28 +372,28 @@ class lexer : public lexer_base<BasicJsonType>
if (codepoint < 0x80)
{
// 1-byte characters: 0xxxxxxx (ASCII)
add(codepoint);
add(static_cast<char_int_type>(codepoint));
}
else if (codepoint <= 0x7FF)
{
// 2-byte characters: 110xxxxx 10xxxxxx
add(static_cast<int>(0xC0u | (static_cast<unsigned int>(codepoint) >> 6u)));
add(static_cast<int>(0x80u | (static_cast<unsigned int>(codepoint) & 0x3Fu)));
add(static_cast<char_int_type>(0xC0u | (static_cast<unsigned int>(codepoint) >> 6u)));
add(static_cast<char_int_type>(0x80u | (static_cast<unsigned int>(codepoint) & 0x3Fu)));
}
else if (codepoint <= 0xFFFF)
{
// 3-byte characters: 1110xxxx 10xxxxxx 10xxxxxx
add(static_cast<int>(0xE0u | (static_cast<unsigned int>(codepoint) >> 12u)));
add(static_cast<int>(0x80u | ((static_cast<unsigned int>(codepoint) >> 6u) & 0x3Fu)));
add(static_cast<int>(0x80u | (static_cast<unsigned int>(codepoint) & 0x3Fu)));
add(static_cast<char_int_type>(0xE0u | (static_cast<unsigned int>(codepoint) >> 12u)));
add(static_cast<char_int_type>(0x80u | ((static_cast<unsigned int>(codepoint) >> 6u) & 0x3Fu)));
add(static_cast<char_int_type>(0x80u | (static_cast<unsigned int>(codepoint) & 0x3Fu)));
}
else
{
// 4-byte characters: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
add(static_cast<int>(0xF0u | (static_cast<unsigned int>(codepoint) >> 18u)));
add(static_cast<int>(0x80u | ((static_cast<unsigned int>(codepoint) >> 12u) & 0x3Fu)));
add(static_cast<int>(0x80u | ((static_cast<unsigned int>(codepoint) >> 6u) & 0x3Fu)));
add(static_cast<int>(0x80u | (static_cast<unsigned int>(codepoint) & 0x3Fu)));
add(static_cast<char_int_type>(0xF0u | (static_cast<unsigned int>(codepoint) >> 18u)));
add(static_cast<char_int_type>(0x80u | ((static_cast<unsigned int>(codepoint) >> 12u) & 0x3Fu)));
add(static_cast<char_int_type>(0x80u | ((static_cast<unsigned int>(codepoint) >> 6u) & 0x3Fu)));
add(static_cast<char_int_type>(0x80u | (static_cast<unsigned int>(codepoint) & 0x3Fu)));
}
break;
@@ -1213,13 +1215,13 @@ scan_number_done:
@param[in] return_type the token type to return on success
*/
JSON_HEDLEY_NON_NULL(2)
token_type scan_literal(const char* literal_text, const std::size_t length,
token_type scan_literal(const char_type* literal_text, const std::size_t length,
token_type return_type)
{
assert(current == literal_text[0]);
for (std::size_t i = 1; i < length; ++i)
{
if (JSON_HEDLEY_UNLIKELY(get() != literal_text[i]))
if (JSON_HEDLEY_UNLIKELY(std::char_traits<char_type>::to_char_type(get()) != literal_text[i]))
{
error_message = "invalid literal";
return token_type::parse_error;
@@ -1237,7 +1239,7 @@ scan_number_done:
{
token_buffer.clear();
token_string.clear();
token_string.push_back(std::char_traits<char>::to_char_type(current));
token_string.push_back(std::char_traits<char_type>::to_char_type(current));
}
/*
@@ -1250,7 +1252,7 @@ scan_number_done:
@return character read from the input
*/
std::char_traits<char>::int_type get()
char_int_type get()
{
++position.chars_read_total;
++position.chars_read_current_line;
@@ -1265,9 +1267,9 @@ scan_number_done:
current = ia.get_character();
}
if (JSON_HEDLEY_LIKELY(current != std::char_traits<char>::eof()))
if (JSON_HEDLEY_LIKELY(current != std::char_traits<char_type>::eof()))
{
token_string.push_back(std::char_traits<char>::to_char_type(current));
token_string.push_back(std::char_traits<char_type>::to_char_type(current));
}
if (current == '\n')
@@ -1306,7 +1308,7 @@ scan_number_done:
--position.chars_read_current_line;
}
if (JSON_HEDLEY_LIKELY(current != std::char_traits<char>::eof()))
if (JSON_HEDLEY_LIKELY(current != std::char_traits<char_type>::eof()))
{
assert(not token_string.empty());
token_string.pop_back();
@@ -1314,9 +1316,9 @@ scan_number_done:
}
/// add a character to token_buffer
void add(int c)
void add(char_int_type c)
{
token_buffer.push_back(std::char_traits<char>::to_char_type(c));
token_buffer.push_back(static_cast<typename string_t::value_type>(c));
}
public:
@@ -1377,7 +1379,7 @@ scan_number_done:
else
{
// add character as is
result.push_back(c);
result.push_back(static_cast<std::string::value_type>(c));
}
}
@@ -1447,11 +1449,20 @@ scan_number_done:
// literals
case 't':
return scan_literal("true", 4, token_type::literal_true);
{
char_type true_literal[] = "true";
return scan_literal(true_literal, 4, token_type::literal_true);
}
case 'f':
return scan_literal("false", 5, token_type::literal_false);
{
char_type false_literal[] = "false";
return scan_literal(false_literal, 5, token_type::literal_false);
}
case 'n':
return scan_literal("null", 4, token_type::literal_null);
{
char_type null_literal[] = "null";
return scan_literal(null_literal, 4, token_type::literal_null);
}
// string
case '\"':
@@ -1474,7 +1485,7 @@ scan_number_done:
// end of input (the null byte is needed when parsing from
// string literals)
case '\0':
case std::char_traits<char>::eof():
case std::char_traits<char_type>::eof():
return token_type::end_of_input;
// error
@@ -1489,7 +1500,7 @@ scan_number_done:
InputAdapterType ia;
/// the current character
std::char_traits<char>::int_type current = std::char_traits<char>::eof();
char_int_type current = std::char_traits<char_type>::eof();
/// whether the next get() call should just return current
bool next_unget = false;
@@ -1498,7 +1509,7 @@ scan_number_done:
position_t position {};
/// raw input token string (for error messages)
std::vector<char> token_string {};
std::vector<char_type> token_string {};
/// buffer for variable-length tokens (numbers, strings)
string_t token_buffer {};
@@ -1512,7 +1523,7 @@ scan_number_done:
number_float_t value_float = 0;
/// the decimal point
const char decimal_point_char = '.';
const char_type decimal_point_char = '.';
};
} // namespace detail
} // namespace nlohmann