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rename member variables; add whitespace tests

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This commit is contained in:
Niels 2015-02-10 23:20:30 +01:00
parent f9797f8eb2
commit 0433e71fc3
3 changed files with 100 additions and 100 deletions
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148
src/json.hpp
View File

@ -2414,9 +2414,9 @@ class basic_json
inline parser(const std::string& s) : buffer(s)
{
// set buffer for RE2C
buffer_re2c = reinterpret_cast<const lexer_char_t*>(buffer.c_str());
m_cursor = reinterpret_cast<const lexer_char_t*>(buffer.c_str());
// set a pointer past the end of the buffer
buffer_re2c_limit = buffer_re2c + buffer.size();
m_limit = m_cursor + buffer.size();
// read first token
get_token();
}
@ -2432,9 +2432,9 @@ class basic_json
}
// set buffer for RE2C
buffer_re2c = reinterpret_cast<const lexer_char_t*>(buffer.c_str());
m_cursor = reinterpret_cast<const lexer_char_t*>(buffer.c_str());
// set a pointer past the end of the buffer
buffer_re2c_limit = buffer_re2c + buffer.size();
m_limit = m_cursor + buffer.size();
// read first token
get_token();
}
@ -2538,10 +2538,10 @@ class basic_json
case (token_type::value_number):
{
// The pointer current_re2c points to the beginning of the
// The pointer m_begin points to the beginning of the
// parsed number. We pass this pointer to std::strtod which
// sets endptr to the first character past the converted
// number. If this pointer is not the same as buffer_re2c,
// number. If this pointer is not the same as m_cursor,
// then either more or less characters have been used
// during the comparison. This can happen for inputs like
// "01" which will be treated like number 0 followed by
@ -2549,13 +2549,13 @@ class basic_json
// conversion
char* endptr;
const auto float_val = std::strtod(reinterpret_cast<const char*>(current_re2c), &endptr);
const auto float_val = std::strtod(reinterpret_cast<const char*>(m_begin), &endptr);
// check if strtod read beyond the end of the lexem
if (reinterpret_cast<const lexer_char_t*>(endptr) != buffer_re2c)
if (reinterpret_cast<const lexer_char_t*>(endptr) != m_cursor)
{
throw std::invalid_argument(std::string("parse error - ") +
reinterpret_cast<const char*>(current_re2c) + " is not a number");
reinterpret_cast<const char*>(m_begin) + " is not a number");
}
// check if conversion loses precision
@ -2575,7 +2575,7 @@ class basic_json
default:
{
std::string error_msg = "parse error - unexpected \'";
error_msg += static_cast<char>(current_re2c[0]);
error_msg += static_cast<char>(m_begin[0]);
error_msg += "\' (";
error_msg += token_type_name(last_token) + ")";
throw std::invalid_argument(error_msg);
@ -2599,16 +2599,16 @@ class basic_json
inline token_type get_token()
{
// needed by RE2C
const lexer_char_t* marker;
const lexer_char_t* marker = nullptr;
// set up RE2C
lexer_start:
// set current to the begin of the buffer
current_re2c = buffer_re2c;
m_begin = m_cursor;
if (current_re2c == buffer_re2c_limit)
if (m_begin == m_limit)
{
return last_token = token_type::end_of_input;
}
@ -2653,7 +2653,7 @@ lexer_start:
64, 64, 64, 64, 64, 64, 64, 64,
};
yych = *buffer_re2c;
yych = *m_cursor;
if (yych <= ':')
{
if (yych <= '!')
@ -2777,25 +2777,25 @@ json_parser_2:
goto lexer_start;
}
json_parser_3:
++buffer_re2c;
++m_cursor;
json_parser_4:
{
return last_token = token_type::parse_error;
}
json_parser_5:
yych = *++buffer_re2c;
yych = *++m_cursor;
goto json_parser_60;
json_parser_6:
yyaccept = 0;
yych = *(marker = ++buffer_re2c);
yych = *(marker = ++m_cursor);
goto json_parser_51;
json_parser_7:
++buffer_re2c;
++m_cursor;
{
return last_token = token_type::value_separator;
}
json_parser_9:
yych = *++buffer_re2c;
yych = *++m_cursor;
if (yych <= '/')
{
goto json_parser_4;
@ -2811,7 +2811,7 @@ json_parser_9:
goto json_parser_4;
json_parser_10:
yyaccept = 1;
yych = *(marker = ++buffer_re2c);
yych = *(marker = ++m_cursor);
if (yych <= 'D')
{
if (yych == '.')
@ -2836,26 +2836,26 @@ json_parser_11:
}
json_parser_12:
yyaccept = 1;
yych = *(marker = ++buffer_re2c);
yych = *(marker = ++m_cursor);
goto json_parser_41;
json_parser_13:
++buffer_re2c;
++m_cursor;
{
return last_token = token_type::name_separator;
}
json_parser_15:
++buffer_re2c;
++m_cursor;
{
return last_token = token_type::begin_array;
}
json_parser_17:
++buffer_re2c;
++m_cursor;
{
return last_token = token_type::end_array;
}
json_parser_19:
yyaccept = 0;
yych = *(marker = ++buffer_re2c);
yych = *(marker = ++m_cursor);
if (yych == 'a')
{
goto json_parser_35;
@ -2863,7 +2863,7 @@ json_parser_19:
goto json_parser_4;
json_parser_20:
yyaccept = 0;
yych = *(marker = ++buffer_re2c);
yych = *(marker = ++m_cursor);
if (yych == 'u')
{
goto json_parser_31;
@ -2871,30 +2871,30 @@ json_parser_20:
goto json_parser_4;
json_parser_21:
yyaccept = 0;
yych = *(marker = ++buffer_re2c);
yych = *(marker = ++m_cursor);
if (yych == 'r')
{
goto json_parser_26;
}
goto json_parser_4;
json_parser_22:
++buffer_re2c;
++m_cursor;
{
return last_token = token_type::begin_object;
}
json_parser_24:
++buffer_re2c;
++m_cursor;
{
return last_token = token_type::end_object;
}
json_parser_26:
yych = *++buffer_re2c;
yych = *++m_cursor;
if (yych == 'u')
{
goto json_parser_28;
}
json_parser_27:
buffer_re2c = marker;
m_cursor = marker;
if (yyaccept == 0)
{
goto json_parser_4;
@ -2904,54 +2904,54 @@ json_parser_27:
goto json_parser_11;
}
json_parser_28:
yych = *++buffer_re2c;
yych = *++m_cursor;
if (yych != 'e')
{
goto json_parser_27;
}
++buffer_re2c;
++m_cursor;
{
return last_token = token_type::literal_true;
}
json_parser_31:
yych = *++buffer_re2c;
yych = *++m_cursor;
if (yych != 'l')
{
goto json_parser_27;
}
yych = *++buffer_re2c;
yych = *++m_cursor;
if (yych != 'l')
{
goto json_parser_27;
}
++buffer_re2c;
++m_cursor;
{
return last_token = token_type::literal_null;
}
json_parser_35:
yych = *++buffer_re2c;
yych = *++m_cursor;
if (yych != 'l')
{
goto json_parser_27;
}
yych = *++buffer_re2c;
yych = *++m_cursor;
if (yych != 's')
{
goto json_parser_27;
}
yych = *++buffer_re2c;
yych = *++m_cursor;
if (yych != 'e')
{
goto json_parser_27;
}
++buffer_re2c;
++m_cursor;
{
return last_token = token_type::literal_false;
}
json_parser_40:
yyaccept = 1;
marker = ++buffer_re2c;
yych = *buffer_re2c;
marker = ++m_cursor;
yych = *m_cursor;
json_parser_41:
if (yybm[0 + yych] & 32)
{
@ -2977,7 +2977,7 @@ json_parser_41:
goto json_parser_11;
}
json_parser_42:
yych = *++buffer_re2c;
yych = *++m_cursor;
if (yych <= '/')
{
goto json_parser_27;
@ -2988,7 +2988,7 @@ json_parser_42:
}
goto json_parser_27;
json_parser_43:
yych = *++buffer_re2c;
yych = *++m_cursor;
if (yych <= ',')
{
if (yych != '+')
@ -3013,7 +3013,7 @@ json_parser_43:
goto json_parser_27;
}
json_parser_44:
yych = *++buffer_re2c;
yych = *++m_cursor;
if (yych <= '/')
{
goto json_parser_27;
@ -3023,8 +3023,8 @@ json_parser_44:
goto json_parser_27;
}
json_parser_45:
++buffer_re2c;
yych = *buffer_re2c;
++m_cursor;
yych = *m_cursor;
if (yych <= '/')
{
goto json_parser_11;
@ -3036,8 +3036,8 @@ json_parser_45:
goto json_parser_11;
json_parser_47:
yyaccept = 1;
marker = ++buffer_re2c;
yych = *buffer_re2c;
marker = ++m_cursor;
yych = *m_cursor;
if (yych <= 'D')
{
if (yych <= '/')
@ -3064,7 +3064,7 @@ json_parser_47:
}
json_parser_49:
yyaccept = 1;
yych = *(marker = ++buffer_re2c);
yych = *(marker = ++m_cursor);
if (yych <= 'D')
{
if (yych == '.')
@ -3086,8 +3086,8 @@ json_parser_49:
goto json_parser_11;
}
json_parser_50:
++buffer_re2c;
yych = *buffer_re2c;
++m_cursor;
yych = *m_cursor;
json_parser_51:
if (yybm[0 + yych] & 64)
{
@ -3097,8 +3097,8 @@ json_parser_51:
{
goto json_parser_53;
}
++buffer_re2c;
yych = *buffer_re2c;
++m_cursor;
yych = *m_cursor;
if (yych <= 'e')
{
if (yych <= '/')
@ -3172,13 +3172,13 @@ json_parser_51:
}
}
json_parser_53:
++buffer_re2c;
++m_cursor;
{
return last_token = token_type::value_string;
}
json_parser_55:
++buffer_re2c;
yych = *buffer_re2c;
++m_cursor;
yych = *m_cursor;
if (yych <= '@')
{
if (yych <= '/')
@ -3206,8 +3206,8 @@ json_parser_55:
}
}
json_parser_56:
++buffer_re2c;
yych = *buffer_re2c;
++m_cursor;
yych = *m_cursor;
if (yych <= '@')
{
if (yych <= '/')
@ -3235,8 +3235,8 @@ json_parser_56:
}
}
json_parser_57:
++buffer_re2c;
yych = *buffer_re2c;
++m_cursor;
yych = *m_cursor;
if (yych <= '@')
{
if (yych <= '/')
@ -3264,8 +3264,8 @@ json_parser_57:
}
}
json_parser_58:
++buffer_re2c;
yych = *buffer_re2c;
++m_cursor;
yych = *m_cursor;
if (yych <= '@')
{
if (yych <= '/')
@ -3295,8 +3295,8 @@ json_parser_58:
goto json_parser_27;
}
json_parser_59:
++buffer_re2c;
yych = *buffer_re2c;
++m_cursor;
yych = *m_cursor;
json_parser_60:
if (yybm[0 + yych] & 128)
{
@ -3347,7 +3347,7 @@ json_parser_60:
if (t != last_token)
{
std::string error_msg = "parse error - unexpected \'";
error_msg += static_cast<char>(current_re2c[0]);
error_msg += static_cast<char>(m_begin[0]);
error_msg += "\' (" + token_type_name(last_token);
error_msg += "); expected " + token_type_name(t);
throw std::invalid_argument(error_msg);
@ -3355,9 +3355,9 @@ json_parser_60:
}
/*!
The pointer current_re2c points to the opening quote of the string, and
buffer_re2c past the closing quote of the string. We create a std::string from
the character after the opening quotes (current_re2c+1) until the character
The pointer m_begin points to the opening quote of the string, and
m_cursor past the closing quote of the string. We create a std::string from
the character after the opening quotes (m_begin+1) until the character
before the closing quotes (hence subtracting 2 characters from the pointer
difference of the two pointers).
@ -3368,8 +3368,8 @@ json_parser_60:
inline std::string get_string() const
{
return std::string(
reinterpret_cast<const char*>(current_re2c + 1),
static_cast<std::size_t>(buffer_re2c - current_re2c - 2)
reinterpret_cast<const char*>(m_begin + 1),
static_cast<std::size_t>(m_cursor - m_begin - 2)
);
}
@ -3377,11 +3377,11 @@ json_parser_60:
/// the buffer
std::string buffer;
/// a pointer to the next character to read from the buffer
const lexer_char_t* buffer_re2c = nullptr;
const lexer_char_t* m_cursor = nullptr;
/// a pointer past the last character of the buffer
const lexer_char_t* buffer_re2c_limit = nullptr;
const lexer_char_t* m_limit = nullptr;
/// a pointer to the beginning of the current token
const lexer_char_t* current_re2c = nullptr;
const lexer_char_t* m_begin = nullptr;
/// the type of the last read token
token_type last_token = token_type::uninitialized;
};

48
src/json.hpp.re2c
View File

@ -2414,9 +2414,9 @@ class basic_json
inline parser(const std::string& s) : buffer(s)
{
// set buffer for RE2C
buffer_re2c = reinterpret_cast<const lexer_char_t*>(buffer.c_str());
m_cursor = reinterpret_cast<const lexer_char_t*>(buffer.c_str());
// set a pointer past the end of the buffer
buffer_re2c_limit = buffer_re2c + buffer.size();
m_limit = m_cursor + buffer.size();
// read first token
get_token();
}
@ -2432,9 +2432,9 @@ class basic_json
}
// set buffer for RE2C
buffer_re2c = reinterpret_cast<const lexer_char_t*>(buffer.c_str());
m_cursor = reinterpret_cast<const lexer_char_t*>(buffer.c_str());
// set a pointer past the end of the buffer
buffer_re2c_limit = buffer_re2c + buffer.size();
m_limit = m_cursor + buffer.size();
// read first token
get_token();
}
@ -2538,10 +2538,10 @@ class basic_json
case (token_type::value_number):
{
// The pointer current_re2c points to the beginning of the
// The pointer m_begin points to the beginning of the
// parsed number. We pass this pointer to std::strtod which
// sets endptr to the first character past the converted
// number. If this pointer is not the same as buffer_re2c,
// number. If this pointer is not the same as m_cursor,
// then either more or less characters have been used
// during the comparison. This can happen for inputs like
// "01" which will be treated like number 0 followed by
@ -2549,13 +2549,13 @@ class basic_json
// conversion
char* endptr;
const auto float_val = std::strtod(reinterpret_cast<const char*>(current_re2c), &endptr);
const auto float_val = std::strtod(reinterpret_cast<const char*>(m_begin), &endptr);
// check if strtod read beyond the end of the lexem
if (reinterpret_cast<const lexer_char_t*>(endptr) != buffer_re2c)
if (reinterpret_cast<const lexer_char_t*>(endptr) != m_cursor)
{
throw std::invalid_argument(std::string("parse error - ") +
reinterpret_cast<const char*>(current_re2c) + " is not a number");
reinterpret_cast<const char*>(m_begin) + " is not a number");
}
// check if conversion loses precision
@ -2575,7 +2575,7 @@ class basic_json
default:
{
std::string error_msg = "parse error - unexpected \'";
error_msg += static_cast<char>(current_re2c[0]);
error_msg += static_cast<char>(m_begin[0]);
error_msg += "\' (";
error_msg += token_type_name(last_token) + ")";
throw std::invalid_argument(error_msg);
@ -2599,24 +2599,24 @@ class basic_json
inline token_type get_token()
{
// needed by RE2C
const lexer_char_t* marker;
const lexer_char_t* marker = nullptr;
// set up RE2C
/*!re2c
re2c:labelprefix = "json_parser_";
re2c:yyfill:enable = 0;
re2c:define:YYCURSOR = buffer_re2c;
re2c:define:YYCURSOR = m_cursor;
re2c:define:YYCTYPE = lexer_char_t;
re2c:define:YYMARKER = marker;
re2c:indent:string = " ";
re2c:define:YYLIMIT = buffer_re2c_limit;
re2c:define:YYLIMIT = m_limit;
*/
lexer_start:
// set current to the begin of the buffer
current_re2c = buffer_re2c;
m_begin = m_cursor;
if (current_re2c == buffer_re2c_limit)
if (m_begin == m_limit)
{
return last_token = token_type::end_of_input;
}
@ -2707,7 +2707,7 @@ lexer_start:
if (t != last_token)
{
std::string error_msg = "parse error - unexpected \'";
error_msg += static_cast<char>(current_re2c[0]);
error_msg += static_cast<char>(m_begin[0]);
error_msg += "\' (" + token_type_name(last_token);
error_msg += "); expected " + token_type_name(t);
throw std::invalid_argument(error_msg);
@ -2715,9 +2715,9 @@ lexer_start:
}
/*!
The pointer current_re2c points to the opening quote of the string, and
buffer_re2c past the closing quote of the string. We create a std::string from
the character after the opening quotes (current_re2c+1) until the character
The pointer m_begin points to the opening quote of the string, and
m_cursor past the closing quote of the string. We create a std::string from
the character after the opening quotes (m_begin+1) until the character
before the closing quotes (hence subtracting 2 characters from the pointer
difference of the two pointers).
@ -2728,8 +2728,8 @@ lexer_start:
inline std::string get_string() const
{
return std::string(
reinterpret_cast<const char*>(current_re2c + 1),
static_cast<std::size_t>(buffer_re2c - current_re2c - 2)
reinterpret_cast<const char*>(m_begin + 1),
static_cast<std::size_t>(m_cursor - m_begin - 2)
);
}
@ -2737,11 +2737,11 @@ lexer_start:
/// the buffer
std::string buffer;
/// a pointer to the next character to read from the buffer
const lexer_char_t* buffer_re2c = nullptr;
const lexer_char_t* m_cursor = nullptr;
/// a pointer past the last character of the buffer
const lexer_char_t* buffer_re2c_limit = nullptr;
const lexer_char_t* m_limit = nullptr;
/// a pointer to the beginning of the current token
const lexer_char_t* current_re2c = nullptr;
const lexer_char_t* m_begin = nullptr;
/// the type of the last read token
token_type last_token = token_type::uninitialized;
};

4
test/unit.cpp
View File

@ -4008,7 +4008,7 @@ TEST_CASE("parser class")
CHECK(json::parser("8").last_token == json::parser::token_type::value_number);
CHECK(json::parser("9").last_token == json::parser::token_type::value_number);
}
/*
SECTION("whitespace")
{
CHECK(json::parser(" 0").last_token == json::parser::token_type::value_number);
@ -4017,7 +4017,7 @@ TEST_CASE("parser class")
CHECK(json::parser("\r0").last_token == json::parser::token_type::value_number);
CHECK(json::parser(" \t\n\r\n\t 0").last_token == json::parser::token_type::value_number);
}
*/
/*
SECTION("parse errors on first character")
{