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json
Commit a6b02828 by Théo DELRIEU
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move conjunction/disjunction to the top of detail

parent d566bb81
Showing with 898 additions and 420 deletions
src/json.hpp
...@@ -168,6 +168,25 @@ using is_unscoped_enum = ...@@ -168,6 +168,25 @@ using is_unscoped_enum =
namespace detail namespace detail
{ {
// Implementation of 2 C++17 constructs: conjunction, negation.
// This is needed to avoid evaluating all the traits in a condition
//
// For example: not std::is_same<void, T>::value and has_value_type<T>::value
// will not compile when T = void (on MSVC at least)
// Whereas conjunction<negation<std::is_same<void, T>>, has_value_type<T>>::value
// will stop evaluating if negation<...>::value == false
//
// Please note that those constructs must be used with caution, since symbols can
// become very long quickly (which can slow down compilation and cause MSVC internal compiler errors)
// Only use it when you have too (see example ahead)
template <class...> struct conjunction : std::true_type {};
template <class B1> struct conjunction<B1> : B1 {};
template <class B1, class... Bn>
struct conjunction<B1, Bn...>
: std::conditional<bool(B1::value), conjunction<Bn...>, B1>::type {};
template <class B> struct negation : std::integral_constant < bool, !B::value > {};
template <typename Json> std::string type_name(const Json& j) template <typename Json> std::string type_name(const Json& j)
{ {
switch (j.m_type) switch (j.m_type)
...@@ -317,25 +336,6 @@ struct external_constructor<value_t::object> ...@@ -317,25 +336,6 @@ struct external_constructor<value_t::object>
} }
}; };
// Implementation of 2 C++17 constructs: conjunction, negation.
// This is needed to avoid evaluating all the traits in a condition
//
// For example: not std::is_same<void, T>::value and has_value_type<T>::value
// will not compile when T = void (on MSVC at least)
// Whereas conjunction<negation<std::is_same<void, T>>, has_value_type<T>>::value
// will stop evaluating if negation<...>::value == false
//
// Please note that those constructs must be used with caution, since symbols can
// become very long quickly (which can slow down compilation and cause MSVC internal compiler errors)
// Only use it when you have too (see example ahead)
template <class...> struct conjunction : std::true_type {};
template <class B1> struct conjunction<B1> : B1 {};
template <class B1, class... Bn>
struct conjunction<B1, Bn...>
: std::conditional<bool(B1::value), conjunction<Bn...>, B1>::type {};
template <class B> struct negation : std::integral_constant < bool, !B::value > {};
/*! /*!
@brief Helper to determine whether there's a key_type for T. @brief Helper to determine whether there's a key_type for T.
...@@ -9468,437 +9468,915 @@ class basic_json ...@@ -9468,437 +9468,915 @@ class basic_json
m_start = m_cursor; m_start = m_cursor;
assert(m_start != nullptr); assert(m_start != nullptr);
{ {
lexer_char_t yych; lexer_char_t yych;
unsigned int yyaccept = 0; unsigned int yyaccept = 0;
static const unsigned char yybm[] = { static const unsigned char yybm[] =
0, 0, 0, 0, 0, 0, 0, 0, {
0, 32, 32, 0, 0, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 32, 0, 0, 32, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
160, 128, 0, 128, 128, 128, 128, 128, 0, 0, 0, 0, 0, 0, 0, 0,
128, 128, 128, 128, 128, 128, 128, 128, 160, 128, 0, 128, 128, 128, 128, 128,
192, 192, 192, 192, 192, 192, 192, 192, 128, 128, 128, 128, 128, 128, 128, 128,
192, 192, 128, 128, 128, 128, 128, 128, 192, 192, 192, 192, 192, 192, 192, 192,
128, 128, 128, 128, 128, 128, 128, 128, 192, 192, 128, 128, 128, 128, 128, 128,
128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128, 128, 128, 128, 0, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 0, 128, 128, 128,
128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, 128, 128, 128, 128,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
}; 0, 0, 0, 0, 0, 0, 0, 0,
if ((m_limit - m_cursor) < 5) fill_line_buffer(5); // LCOV_EXCL_LINE };
yych = *m_cursor; if ((m_limit - m_cursor) < 5)
if (yybm[0+yych] & 32) { {
goto basic_json_parser_6; fill_line_buffer(5); // LCOV_EXCL_LINE
} }
if (yych <= '[') { yych = *m_cursor;
if (yych <= '-') { if (yybm[0 + yych] & 32)
if (yych <= '"') { {
if (yych <= 0x00) goto basic_json_parser_2; goto basic_json_parser_6;
if (yych <= '!') goto basic_json_parser_4; }
goto basic_json_parser_9; if (yych <= '[')
} else { {
if (yych <= '+') goto basic_json_parser_4; if (yych <= '-')
if (yych <= ',') goto basic_json_parser_10; {
goto basic_json_parser_12; if (yych <= '"')
} {
} else { if (yych <= 0x00)
if (yych <= '9') { {
if (yych <= '/') goto basic_json_parser_4; goto basic_json_parser_2;
if (yych <= '0') goto basic_json_parser_13; }
goto basic_json_parser_15; if (yych <= '!')
} else { {
if (yych <= ':') goto basic_json_parser_17; goto basic_json_parser_4;
if (yych <= 'Z') goto basic_json_parser_4; }
goto basic_json_parser_19; goto basic_json_parser_9;
} }
} else
} else { {
if (yych <= 'n') { if (yych <= '+')
if (yych <= 'e') { {
if (yych == ']') goto basic_json_parser_21; goto basic_json_parser_4;
goto basic_json_parser_4; }
} else { if (yych <= ',')
if (yych <= 'f') goto basic_json_parser_23; {
if (yych <= 'm') goto basic_json_parser_4; goto basic_json_parser_10;
goto basic_json_parser_24; }
} goto basic_json_parser_12;
} else { }
if (yych <= 'z') { }
if (yych == 't') goto basic_json_parser_25; else
goto basic_json_parser_4; {
} else { if (yych <= '9')
if (yych <= '{') goto basic_json_parser_26; {
if (yych == '}') goto basic_json_parser_28; if (yych <= '/')
goto basic_json_parser_4; {
} goto basic_json_parser_4;
} }
} if (yych <= '0')
{
goto basic_json_parser_13;
}
goto basic_json_parser_15;
}
else
{
if (yych <= ':')
{
goto basic_json_parser_17;
}
if (yych <= 'Z')
{
goto basic_json_parser_4;
}
goto basic_json_parser_19;
}
}
}
else
{
if (yych <= 'n')
{
if (yych <= 'e')
{
if (yych == ']')
{
goto basic_json_parser_21;
}
goto basic_json_parser_4;
}
else
{
if (yych <= 'f')
{
goto basic_json_parser_23;
}
if (yych <= 'm')
{
goto basic_json_parser_4;
}
goto basic_json_parser_24;
}
}
else
{
if (yych <= 'z')
{
if (yych == 't')
{
goto basic_json_parser_25;
}
goto basic_json_parser_4;
}
else
{
if (yych <= '{')
{
goto basic_json_parser_26;
}
if (yych == '}')
{
goto basic_json_parser_28;
}
goto basic_json_parser_4;
}
}
}
basic_json_parser_2: basic_json_parser_2:
++m_cursor; ++m_cursor;
{ last_token_type = token_type::end_of_input; break; } {
last_token_type = token_type::end_of_input;
break;
}
basic_json_parser_4: basic_json_parser_4:
++m_cursor; ++m_cursor;
basic_json_parser_5: basic_json_parser_5:
{ last_token_type = token_type::parse_error; break; } {
last_token_type = token_type::parse_error;
break;
}
basic_json_parser_6: basic_json_parser_6:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yybm[0+yych] & 32) { fill_line_buffer(1); // LCOV_EXCL_LINE
goto basic_json_parser_6; }
} yych = *m_cursor;
{ continue; } if (yybm[0 + yych] & 32)
{
goto basic_json_parser_6;
}
{
continue;
}
basic_json_parser_9: basic_json_parser_9:
yyaccept = 0; yyaccept = 0;
yych = *(m_marker = ++m_cursor); yych = *(m_marker = ++m_cursor);
if (yych <= 0x1F) goto basic_json_parser_5; if (yych <= 0x1F)
if (yych <= 0x7F) goto basic_json_parser_31; {
if (yych <= 0xC1) goto basic_json_parser_5; goto basic_json_parser_5;
if (yych <= 0xF4) goto basic_json_parser_31; }
goto basic_json_parser_5; if (yych <= 0x7F)
{
goto basic_json_parser_31;
}
if (yych <= 0xC1)
{
goto basic_json_parser_5;
}
if (yych <= 0xF4)
{
goto basic_json_parser_31;
}
goto basic_json_parser_5;
basic_json_parser_10: basic_json_parser_10:
++m_cursor; ++m_cursor;
{ last_token_type = token_type::value_separator; break; } {
last_token_type = token_type::value_separator;
break;
}
basic_json_parser_12: basic_json_parser_12:
yych = *++m_cursor; yych = *++m_cursor;
if (yych <= '/') goto basic_json_parser_5; if (yych <= '/')
if (yych <= '0') goto basic_json_parser_13; {
if (yych <= '9') goto basic_json_parser_15; goto basic_json_parser_5;
goto basic_json_parser_5; }
if (yych <= '0')
{
goto basic_json_parser_13;
}
if (yych <= '9')
{
goto basic_json_parser_15;
}
goto basic_json_parser_5;
basic_json_parser_13: basic_json_parser_13:
yyaccept = 1; yyaccept = 1;
yych = *(m_marker = ++m_cursor); yych = *(m_marker = ++m_cursor);
if (yych <= 'D') { if (yych <= 'D')
if (yych == '.') goto basic_json_parser_43; {
} else { if (yych == '.')
if (yych <= 'E') goto basic_json_parser_44; {
if (yych == 'e') goto basic_json_parser_44; goto basic_json_parser_43;
} }
}
else
{
if (yych <= 'E')
{
goto basic_json_parser_44;
}
if (yych == 'e')
{
goto basic_json_parser_44;
}
}
basic_json_parser_14: basic_json_parser_14:
{ last_token_type = token_type::value_number; break; } {
last_token_type = token_type::value_number;
break;
}
basic_json_parser_15: basic_json_parser_15:
yyaccept = 1; yyaccept = 1;
m_marker = ++m_cursor; m_marker = ++m_cursor;
if ((m_limit - m_cursor) < 3) fill_line_buffer(3); // LCOV_EXCL_LINE if ((m_limit - m_cursor) < 3)
yych = *m_cursor; {
if (yybm[0+yych] & 64) { fill_line_buffer(3); // LCOV_EXCL_LINE
goto basic_json_parser_15; }
} yych = *m_cursor;
if (yych <= 'D') { if (yybm[0 + yych] & 64)
if (yych == '.') goto basic_json_parser_43; {
goto basic_json_parser_14; goto basic_json_parser_15;
} else { }
if (yych <= 'E') goto basic_json_parser_44; if (yych <= 'D')
if (yych == 'e') goto basic_json_parser_44; {
goto basic_json_parser_14; if (yych == '.')
} {
goto basic_json_parser_43;
}
goto basic_json_parser_14;
}
else
{
if (yych <= 'E')
{
goto basic_json_parser_44;
}
if (yych == 'e')
{
goto basic_json_parser_44;
}
goto basic_json_parser_14;
}
basic_json_parser_17: basic_json_parser_17:
++m_cursor; ++m_cursor;
{ last_token_type = token_type::name_separator; break; } {
last_token_type = token_type::name_separator;
break;
}
basic_json_parser_19: basic_json_parser_19:
++m_cursor; ++m_cursor;
{ last_token_type = token_type::begin_array; break; } {
last_token_type = token_type::begin_array;
break;
}
basic_json_parser_21: basic_json_parser_21:
++m_cursor; ++m_cursor;
{ last_token_type = token_type::end_array; break; } {
last_token_type = token_type::end_array;
break;
}
basic_json_parser_23: basic_json_parser_23:
yyaccept = 0; yyaccept = 0;
yych = *(m_marker = ++m_cursor); yych = *(m_marker = ++m_cursor);
if (yych == 'a') goto basic_json_parser_45; if (yych == 'a')
goto basic_json_parser_5; {
goto basic_json_parser_45;
}
goto basic_json_parser_5;
basic_json_parser_24: basic_json_parser_24:
yyaccept = 0; yyaccept = 0;
yych = *(m_marker = ++m_cursor); yych = *(m_marker = ++m_cursor);
if (yych == 'u') goto basic_json_parser_46; if (yych == 'u')
goto basic_json_parser_5; {
goto basic_json_parser_46;
}
goto basic_json_parser_5;
basic_json_parser_25: basic_json_parser_25:
yyaccept = 0; yyaccept = 0;
yych = *(m_marker = ++m_cursor); yych = *(m_marker = ++m_cursor);
if (yych == 'r') goto basic_json_parser_47; if (yych == 'r')
goto basic_json_parser_5; {
goto basic_json_parser_47;
}
goto basic_json_parser_5;
basic_json_parser_26: basic_json_parser_26:
++m_cursor; ++m_cursor;
{ last_token_type = token_type::begin_object; break; } {
last_token_type = token_type::begin_object;
break;
}
basic_json_parser_28: basic_json_parser_28:
++m_cursor; ++m_cursor;
{ last_token_type = token_type::end_object; break; } {
last_token_type = token_type::end_object;
break;
}
basic_json_parser_30: basic_json_parser_30:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
fill_line_buffer(1); // LCOV_EXCL_LINE
}
yych = *m_cursor;
basic_json_parser_31: basic_json_parser_31:
if (yybm[0+yych] & 128) { if (yybm[0 + yych] & 128)
goto basic_json_parser_30; {
} goto basic_json_parser_30;
if (yych <= 0xE0) { }
if (yych <= '\\') { if (yych <= 0xE0)
if (yych <= 0x1F) goto basic_json_parser_32; {
if (yych <= '"') goto basic_json_parser_33; if (yych <= '\\')
goto basic_json_parser_35; {
} else { if (yych <= 0x1F)
if (yych <= 0xC1) goto basic_json_parser_32; {
if (yych <= 0xDF) goto basic_json_parser_36; goto basic_json_parser_32;
goto basic_json_parser_37; }
} if (yych <= '"')
} else { {
if (yych <= 0xEF) { goto basic_json_parser_33;
if (yych == 0xED) goto basic_json_parser_39; }
goto basic_json_parser_38; goto basic_json_parser_35;
} else { }
if (yych <= 0xF0) goto basic_json_parser_40; else
if (yych <= 0xF3) goto basic_json_parser_41; {
if (yych <= 0xF4) goto basic_json_parser_42; if (yych <= 0xC1)
} {
} goto basic_json_parser_32;
}
if (yych <= 0xDF)
{
goto basic_json_parser_36;
}
goto basic_json_parser_37;
}
}
else
{
if (yych <= 0xEF)
{
if (yych == 0xED)
{
goto basic_json_parser_39;
}
goto basic_json_parser_38;
}
else
{
if (yych <= 0xF0)
{
goto basic_json_parser_40;
}
if (yych <= 0xF3)
{
goto basic_json_parser_41;
}
if (yych <= 0xF4)
{
goto basic_json_parser_42;
}
}
}
basic_json_parser_32: basic_json_parser_32:
m_cursor = m_marker; m_cursor = m_marker;
if (yyaccept == 0) { if (yyaccept == 0)
goto basic_json_parser_5; {
} else { goto basic_json_parser_5;
goto basic_json_parser_14; }
} else
{
goto basic_json_parser_14;
}
basic_json_parser_33: basic_json_parser_33:
++m_cursor; ++m_cursor;
{ last_token_type = token_type::value_string; break; } {
last_token_type = token_type::value_string;
break;
}
basic_json_parser_35: basic_json_parser_35:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= 'e') { fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= '/') { }
if (yych == '"') goto basic_json_parser_30; yych = *m_cursor;
if (yych <= '.') goto basic_json_parser_32; if (yych <= 'e')
goto basic_json_parser_30; {
} else { if (yych <= '/')
if (yych <= '\\') { {
if (yych <= '[') goto basic_json_parser_32; if (yych == '"')
goto basic_json_parser_30; {
} else { goto basic_json_parser_30;
if (yych == 'b') goto basic_json_parser_30; }
goto basic_json_parser_32; if (yych <= '.')
} {
} goto basic_json_parser_32;
} else { }
if (yych <= 'q') { goto basic_json_parser_30;
if (yych <= 'f') goto basic_json_parser_30; }
if (yych == 'n') goto basic_json_parser_30; else
goto basic_json_parser_32; {
} else { if (yych <= '\\')
if (yych <= 's') { {
if (yych <= 'r') goto basic_json_parser_30; if (yych <= '[')
goto basic_json_parser_32; {
} else { goto basic_json_parser_32;
if (yych <= 't') goto basic_json_parser_30; }
if (yych <= 'u') goto basic_json_parser_48; goto basic_json_parser_30;
goto basic_json_parser_32; }
} else
} {
} if (yych == 'b')
{
goto basic_json_parser_30;
}
goto basic_json_parser_32;
}
}
}
else
{
if (yych <= 'q')
{
if (yych <= 'f')
{
goto basic_json_parser_30;
}
if (yych == 'n')
{
goto basic_json_parser_30;
}
goto basic_json_parser_32;
}
else
{
if (yych <= 's')
{
if (yych <= 'r')
{
goto basic_json_parser_30;
}
goto basic_json_parser_32;
}
else
{
if (yych <= 't')
{
goto basic_json_parser_30;
}
if (yych <= 'u')
{
goto basic_json_parser_48;
}
goto basic_json_parser_32;
}
}
}
basic_json_parser_36: basic_json_parser_36:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= 0x7F) goto basic_json_parser_32; fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= 0xBF) goto basic_json_parser_30; }
goto basic_json_parser_32; yych = *m_cursor;
if (yych <= 0x7F)
{
goto basic_json_parser_32;
}
if (yych <= 0xBF)
{
goto basic_json_parser_30;
}
goto basic_json_parser_32;
basic_json_parser_37: basic_json_parser_37:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= 0x9F) goto basic_json_parser_32; fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= 0xBF) goto basic_json_parser_36; }
goto basic_json_parser_32; yych = *m_cursor;
if (yych <= 0x9F)
{
goto basic_json_parser_32;
}
if (yych <= 0xBF)
{
goto basic_json_parser_36;
}
goto basic_json_parser_32;
basic_json_parser_38: basic_json_parser_38:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= 0x7F) goto basic_json_parser_32; fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= 0xBF) goto basic_json_parser_36; }
goto basic_json_parser_32; yych = *m_cursor;
if (yych <= 0x7F)
{
goto basic_json_parser_32;
}
if (yych <= 0xBF)
{
goto basic_json_parser_36;
}
goto basic_json_parser_32;
basic_json_parser_39: basic_json_parser_39:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= 0x7F) goto basic_json_parser_32; fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= 0x9F) goto basic_json_parser_36; }
goto basic_json_parser_32; yych = *m_cursor;
if (yych <= 0x7F)
{
goto basic_json_parser_32;
}
if (yych <= 0x9F)
{
goto basic_json_parser_36;
}
goto basic_json_parser_32;
basic_json_parser_40: basic_json_parser_40:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= 0x8F) goto basic_json_parser_32; fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= 0xBF) goto basic_json_parser_38; }
goto basic_json_parser_32; yych = *m_cursor;
if (yych <= 0x8F)
{
goto basic_json_parser_32;
}
if (yych <= 0xBF)
{
goto basic_json_parser_38;
}
goto basic_json_parser_32;
basic_json_parser_41: basic_json_parser_41:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= 0x7F) goto basic_json_parser_32; fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= 0xBF) goto basic_json_parser_38; }
goto basic_json_parser_32; yych = *m_cursor;
if (yych <= 0x7F)
{
goto basic_json_parser_32;
}
if (yych <= 0xBF)
{
goto basic_json_parser_38;
}
goto basic_json_parser_32;
basic_json_parser_42: basic_json_parser_42:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= 0x7F) goto basic_json_parser_32; fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= 0x8F) goto basic_json_parser_38; }
goto basic_json_parser_32; yych = *m_cursor;
if (yych <= 0x7F)
{
goto basic_json_parser_32;
}
if (yych <= 0x8F)
{
goto basic_json_parser_38;
}
goto basic_json_parser_32;
basic_json_parser_43: basic_json_parser_43:
yych = *++m_cursor; yych = *++m_cursor;
if (yych <= '/') goto basic_json_parser_32; if (yych <= '/')
if (yych <= '9') goto basic_json_parser_49; {
goto basic_json_parser_32; goto basic_json_parser_32;
}
if (yych <= '9')
{
goto basic_json_parser_49;
}
goto basic_json_parser_32;
basic_json_parser_44: basic_json_parser_44:
yych = *++m_cursor; yych = *++m_cursor;
if (yych <= ',') { if (yych <= ',')
if (yych == '+') goto basic_json_parser_51; {
goto basic_json_parser_32; if (yych == '+')
} else { {
if (yych <= '-') goto basic_json_parser_51; goto basic_json_parser_51;
if (yych <= '/') goto basic_json_parser_32; }
if (yych <= '9') goto basic_json_parser_52; goto basic_json_parser_32;
goto basic_json_parser_32; }
} else
{
if (yych <= '-')
{
goto basic_json_parser_51;
}
if (yych <= '/')
{
goto basic_json_parser_32;
}
if (yych <= '9')
{
goto basic_json_parser_52;
}
goto basic_json_parser_32;
}
basic_json_parser_45: basic_json_parser_45:
yych = *++m_cursor; yych = *++m_cursor;
if (yych == 'l') goto basic_json_parser_54; if (yych == 'l')
goto basic_json_parser_32; {
goto basic_json_parser_54;
}
goto basic_json_parser_32;
basic_json_parser_46: basic_json_parser_46:
yych = *++m_cursor; yych = *++m_cursor;
if (yych == 'l') goto basic_json_parser_55; if (yych == 'l')
goto basic_json_parser_32; {
goto basic_json_parser_55;
}
goto basic_json_parser_32;
basic_json_parser_47: basic_json_parser_47:
yych = *++m_cursor; yych = *++m_cursor;
if (yych == 'u') goto basic_json_parser_56; if (yych == 'u')
goto basic_json_parser_32; {
goto basic_json_parser_56;
}
goto basic_json_parser_32;
basic_json_parser_48: basic_json_parser_48:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= '@') { fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= '/') goto basic_json_parser_32; }
if (yych <= '9') goto basic_json_parser_57; yych = *m_cursor;
goto basic_json_parser_32; if (yych <= '@')
} else { {
if (yych <= 'F') goto basic_json_parser_57; if (yych <= '/')
if (yych <= '`') goto basic_json_parser_32; {
if (yych <= 'f') goto basic_json_parser_57; goto basic_json_parser_32;
goto basic_json_parser_32; }
} if (yych <= '9')
{
goto basic_json_parser_57;
}
goto basic_json_parser_32;
}
else
{
if (yych <= 'F')
{
goto basic_json_parser_57;
}
if (yych <= '`')
{
goto basic_json_parser_32;
}
if (yych <= 'f')
{
goto basic_json_parser_57;
}
goto basic_json_parser_32;
}
basic_json_parser_49: basic_json_parser_49:
yyaccept = 1; yyaccept = 1;
m_marker = ++m_cursor; m_marker = ++m_cursor;
if ((m_limit - m_cursor) < 3) fill_line_buffer(3); // LCOV_EXCL_LINE if ((m_limit - m_cursor) < 3)
yych = *m_cursor; {
if (yych <= 'D') { fill_line_buffer(3); // LCOV_EXCL_LINE
if (yych <= '/') goto basic_json_parser_14; }
if (yych <= '9') goto basic_json_parser_49; yych = *m_cursor;
goto basic_json_parser_14; if (yych <= 'D')
} else { {
if (yych <= 'E') goto basic_json_parser_44; if (yych <= '/')
if (yych == 'e') goto basic_json_parser_44; {
goto basic_json_parser_14; goto basic_json_parser_14;
} }
if (yych <= '9')
{
goto basic_json_parser_49;
}
goto basic_json_parser_14;
}
else
{
if (yych <= 'E')
{
goto basic_json_parser_44;
}
if (yych == 'e')
{
goto basic_json_parser_44;
}
goto basic_json_parser_14;
}
basic_json_parser_51: basic_json_parser_51:
yych = *++m_cursor; yych = *++m_cursor;
if (yych <= '/') goto basic_json_parser_32; if (yych <= '/')
if (yych >= ':') goto basic_json_parser_32; {
goto basic_json_parser_32;
}
if (yych >= ':')
{
goto basic_json_parser_32;
}
basic_json_parser_52: basic_json_parser_52:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= '/') goto basic_json_parser_14; fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= '9') goto basic_json_parser_52; }
goto basic_json_parser_14; yych = *m_cursor;
if (yych <= '/')
{
goto basic_json_parser_14;
}
if (yych <= '9')
{
goto basic_json_parser_52;
}
goto basic_json_parser_14;
basic_json_parser_54: basic_json_parser_54:
yych = *++m_cursor; yych = *++m_cursor;
if (yych == 's') goto basic_json_parser_58; if (yych == 's')
goto basic_json_parser_32; {
goto basic_json_parser_58;
}
goto basic_json_parser_32;
basic_json_parser_55: basic_json_parser_55:
yych = *++m_cursor; yych = *++m_cursor;
if (yych == 'l') goto basic_json_parser_59; if (yych == 'l')
goto basic_json_parser_32; {
goto basic_json_parser_59;
}
goto basic_json_parser_32;
basic_json_parser_56: basic_json_parser_56:
yych = *++m_cursor; yych = *++m_cursor;
if (yych == 'e') goto basic_json_parser_61; if (yych == 'e')
goto basic_json_parser_32; {
goto basic_json_parser_61;
}
goto basic_json_parser_32;
basic_json_parser_57: basic_json_parser_57:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= '@') { fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= '/') goto basic_json_parser_32; }
if (yych <= '9') goto basic_json_parser_63; yych = *m_cursor;
goto basic_json_parser_32; if (yych <= '@')
} else { {
if (yych <= 'F') goto basic_json_parser_63; if (yych <= '/')
if (yych <= '`') goto basic_json_parser_32; {
if (yych <= 'f') goto basic_json_parser_63; goto basic_json_parser_32;
goto basic_json_parser_32; }
} if (yych <= '9')
{
goto basic_json_parser_63;
}
goto basic_json_parser_32;
}
else
{
if (yych <= 'F')
{
goto basic_json_parser_63;
}
if (yych <= '`')
{
goto basic_json_parser_32;
}
if (yych <= 'f')
{
goto basic_json_parser_63;
}
goto basic_json_parser_32;
}
basic_json_parser_58: basic_json_parser_58:
yych = *++m_cursor; yych = *++m_cursor;
if (yych == 'e') goto basic_json_parser_64; if (yych == 'e')
goto basic_json_parser_32; {
goto basic_json_parser_64;
}
goto basic_json_parser_32;
basic_json_parser_59: basic_json_parser_59:
++m_cursor; ++m_cursor;
{ last_token_type = token_type::literal_null; break; } {
last_token_type = token_type::literal_null;
break;
}
basic_json_parser_61: basic_json_parser_61:
++m_cursor; ++m_cursor;
{ last_token_type = token_type::literal_true; break; } {
last_token_type = token_type::literal_true;
break;
}
basic_json_parser_63: basic_json_parser_63:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= '@') { fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= '/') goto basic_json_parser_32; }
if (yych <= '9') goto basic_json_parser_66; yych = *m_cursor;
goto basic_json_parser_32; if (yych <= '@')
} else { {
if (yych <= 'F') goto basic_json_parser_66; if (yych <= '/')
if (yych <= '`') goto basic_json_parser_32; {
if (yych <= 'f') goto basic_json_parser_66; goto basic_json_parser_32;
goto basic_json_parser_32; }
} if (yych <= '9')
{
goto basic_json_parser_66;
}
goto basic_json_parser_32;
}
else
{
if (yych <= 'F')
{
goto basic_json_parser_66;
}
if (yych <= '`')
{
goto basic_json_parser_32;
}
if (yych <= 'f')
{
goto basic_json_parser_66;
}
goto basic_json_parser_32;
}
basic_json_parser_64: basic_json_parser_64:
++m_cursor; ++m_cursor;
{ last_token_type = token_type::literal_false; break; } {
last_token_type = token_type::literal_false;
break;
}
basic_json_parser_66: basic_json_parser_66:
++m_cursor; ++m_cursor;
if (m_limit <= m_cursor) fill_line_buffer(1); // LCOV_EXCL_LINE if (m_limit <= m_cursor)
yych = *m_cursor; {
if (yych <= '@') { fill_line_buffer(1); // LCOV_EXCL_LINE
if (yych <= '/') goto basic_json_parser_32; }
if (yych <= '9') goto basic_json_parser_30; yych = *m_cursor;
goto basic_json_parser_32; if (yych <= '@')
} else { {
if (yych <= 'F') goto basic_json_parser_30; if (yych <= '/')
if (yych <= '`') goto basic_json_parser_32; {
if (yych <= 'f') goto basic_json_parser_30; goto basic_json_parser_32;
goto basic_json_parser_32; }
} if (yych <= '9')
} {
goto basic_json_parser_30;
}
goto basic_json_parser_32;
}
else
{
if (yych <= 'F')
{
goto basic_json_parser_30;
}
if (yych <= '`')
{
goto basic_json_parser_32;
}
if (yych <= 'f')
{
goto basic_json_parser_30;
}
goto basic_json_parser_32;
}
}
} }
......
src/json.hpp.re2c
...@@ -168,6 +168,25 @@ using is_unscoped_enum = ...@@ -168,6 +168,25 @@ using is_unscoped_enum =
namespace detail namespace detail
{ {
// Implementation of 2 C++17 constructs: conjunction, negation.
// This is needed to avoid evaluating all the traits in a condition
//
// For example: not std::is_same<void, T>::value and has_value_type<T>::value
// will not compile when T = void (on MSVC at least)
// Whereas conjunction<negation<std::is_same<void, T>>, has_value_type<T>>::value
// will stop evaluating if negation<...>::value == false
//
// Please note that those constructs must be used with caution, since symbols can
// become very long quickly (which can slow down compilation and cause MSVC internal compiler errors)
// Only use it when you have too (see example ahead)
template <class...> struct conjunction : std::true_type {};
template <class B1> struct conjunction<B1> : B1 {};
template <class B1, class... Bn>
struct conjunction<B1, Bn...>
: std::conditional<bool(B1::value), conjunction<Bn...>, B1>::type {};
template <class B> struct negation : std::integral_constant < bool, !B::value > {};
template <typename Json> std::string type_name(const Json& j) template <typename Json> std::string type_name(const Json& j)
{ {
switch (j.m_type) switch (j.m_type)
...@@ -317,25 +336,6 @@ struct external_constructor<value_t::object> ...@@ -317,25 +336,6 @@ struct external_constructor<value_t::object>
} }
}; };
// Implementation of 2 C++17 constructs: conjunction, negation.
// This is needed to avoid evaluating all the traits in a condition
//
// For example: not std::is_same<void, T>::value and has_value_type<T>::value
// will not compile when T = void (on MSVC at least)
// Whereas conjunction<negation<std::is_same<void, T>>, has_value_type<T>>::value
// will stop evaluating if negation<...>::value == false
//
// Please note that those constructs must be used with caution, since symbols can
// become very long quickly (which can slow down compilation and cause MSVC internal compiler errors)
// Only use it when you have too (see example ahead)
template <class...> struct conjunction : std::true_type {};
template <class B1> struct conjunction<B1> : B1 {};
template <class B1, class... Bn>
struct conjunction<B1, Bn...>
: std::conditional<bool(B1::value), conjunction<Bn...>, B1>::type {};
template <class B> struct negation : std::integral_constant < bool, !B::value > {};
/*! /*!
@brief Helper to determine whether there's a key_type for T. @brief Helper to determine whether there's a key_type for T.
......
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