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Apply patch from @chris0e3

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This commit is contained in:
Jason Turner 2018-03-01 11:22:20 -07:00
parent d5faaeca1a
commit 1acfb4f7b8
1 changed files with 31 additions and 6 deletions
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37
include/chaiscript/language/chaiscript_parser.hpp
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@ -1036,7 +1036,7 @@ namespace chaiscript
bool saw_interpolation_marker = false;
bool is_octal = false;
bool is_hex = false;
bool is_unicode = false;
char is_unicode = 0;
const bool interpolation_allowed;
string_type octal_matches;
@ -1086,11 +1086,34 @@ namespace chaiscript
void process_unicode()
{
auto val = stoll(hex_matches, nullptr, 16);
unsigned ch = std::stoi(hex_matches, nullptr, 16);
hex_matches.clear();
match += detail::Char_Parser_Helper<string_type>::str_from_ll(val);
char buf[4];
if (ch < 0x80)
match += static_cast<char>(ch);
else if (ch < 0x800)
{
buf[0] = 0xC0 | (ch >> 6);
buf[1] = 0x80 | (ch & 0x3F);
match.append(buf, 2);
}
else if (ch < 0x10000)
{
buf[0] = 0xE0 | (ch >> 12);
buf[1] = 0x80 | ((ch >> 6) & 0x3F);
buf[2] = 0x80 | (ch & 0x3F);
match.append(buf, 3);
}
else //if (ch < 0x200000)
{
buf[0] = 0xF0 | (ch >> 18);
buf[1] = 0x80 | ((ch >> 12) & 0x3F);
buf[2] = 0x80 | ((ch >> 6) & 0x3F);
buf[3] = 0x80 | (ch & 0x3F);
match.append(buf, 4);
}
is_escaped = false;
is_unicode = false;
is_unicode = 0;
}
void parse(const char_type t_char, const int line, const int col, const std::string &filename) {
@ -1130,7 +1153,7 @@ namespace chaiscript
if (is_hex_char) {
hex_matches.push_back(t_char);
if(hex_matches.size() == 4) {
if(hex_matches.size() == is_unicode) {
// Format is specified to be 'slash'uABCD
// on collecting from A to D do parsing
process_unicode();
@ -1158,7 +1181,9 @@ namespace chaiscript
} else if (t_char == 'x') {
is_hex = true;
} else if (t_char == 'u') {
is_unicode = true;
is_unicode = 4;
} else if (t_char == 'U') {
is_unicode = 6;
} else {
switch (t_char) {
case ('\'') : match.push_back('\''); break;