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agsearch.cpp
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agsearch.cpp
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#include <windows.h>
#include "agsearch.h"
#include <cwctype>
#include <cmath>
#include <algorithm>
#include <tuple>
#include <set>
namespace {
static constexpr std::wstring_view whitespace = L" \f\n\r\t\v\x1680\x180E\x2002\x2003\x2004\x2005\x2006\x2007\x2008\x2009\x200A\x200B\x202F\x205F\x2060\x3000\xFEFF\xFFFD\0";
static constexpr std::wstring_view multi_character_tokens [] = {
L"::", L"...", L"->*", L"->", L".*",
L"==", L"!=", L"<=", L">=", L"<=>",
L"++", L"--", L"<<", L">>",
L"+=", L"-=", L"*=", L"/=", L"%=", L"&=", L"|=", L"^=", L"<<=", L">>=",
L"&&", L"||",
};
static constexpr std::pair <std::wstring_view, wchar_t> alternative_tokens [] = {
{ L"<%", L'{' }, { L"%>", L'}' },
{ L"<:", L'[' }, { L":>", L']' },
{ L"%:", L'#' },
};
static constexpr std::pair <std::wstring_view, wchar_t> trigraph_tokens [] = {
{ L"??<", L'{' }, { L"??>", L'}' },
{ L"??(", L'[' }, { L"??)", L']' },
{ L"??=", L'#' },
{ L"??/", L'\\' },
{ L"??'", L'^' },
{ L"??!", L'|' },
{ L"??-", L'~' },
};
static constexpr std::pair <std::wstring_view, std::wstring_view> iso646_tokens [] = {
{ L"and", L"&&" }, { L"and_eq", L"&=" }, { L"bitand", L"&" },
{ L"or", L"||" }, { L"or_eq", L"|=" }, { L"bitor", L"|" },
{ L"xor", L"^" }, { L"xor_eq", L"^=" }, { L"compl", L"~" },
{ L"not", L"!" }, { L"not_eq", L"!=" },
};
static const std::map <wchar_t, wchar_t> single_letter_escape_sequences = {
{ 'a', '\a' }, { 'b', '\b' },
{ 'f', '\f' },
{ 'r', '\r' }, { 'n', '\n' },
{ 't', '\t' }, { 'v', '\v' },
};
struct alternative_spelling {
bool agsearch::parameter_set::* option;
std::set <std::wstring> spellings;
bool operator < (const alternative_spelling & other) const noexcept {
return this->spellings < other.spellings;
}
};
static const std::set <alternative_spelling> alternative_spellings = {
{ &agsearch::parameter_set::match_ifs_and_conditional, { L"if", L"?" } },
{ &agsearch::parameter_set::match_class_struct_typename, { L"class", L"struct", L"typename" } },
{ &agsearch::parameter_set::match_float_and_double_decl, { L"float", L"double" } },
{ &agsearch::parameter_set::match_using_and_typedef, { L"using", L"typedef" } },
};
static const std::set <alternative_spelling> alternative_spellings_optional = {
{ &agsearch::parameter_set::match_ifs_and_conditional, { L"else", L":" } },
};
struct ignored_pattern {
bool agsearch::parameter_set::* option;
std::wstring prefix;
std::set <std::wstring> optional;
bool operator < (const ignored_pattern & other) const noexcept {
return std::tie (this->prefix, this->optional)
< std::tie (other.prefix, other.optional);
}
};
static const std::set <ignored_pattern> ignored_patterns = {
{ &agsearch::parameter_set::match_any_inheritance_type, L":", { L"virtual", L"public", L"protected", L"private" } },
{ &agsearch::parameter_set::match_any_integer_decl_style, L"long", { L"int", L"unsigned", L"long" } },
{ &agsearch::parameter_set::match_any_integer_decl_style, L"short", { L"int", L"unsigned" } },
{ &agsearch::parameter_set::match_any_integer_decl_style, L"signed", { L"char", L"short", L"int", L"long" } },
{ &agsearch::parameter_set::match_any_integer_decl_style, L"unsigned", { L"char", L"short", L"int", L"long" } },
};
}
void agsearch::clear () {
this->pattern.clear ();
this->current.mode = token::type::code;
this->current.location.row = 0;
this->current.location.column = 0;
}
namespace {
template <typename IT>
inline IT get_preceeding_iterator (IT it) {
--it;
return it;
}
template <typename IT>
inline bool is_preceeding_iterator (IT it, IT e) {
++it;
return it == e;
}
}
std::size_t agsearch::find (std::wstring_view needle_text) {
// convert needle to pattern
agsearch needle;
needle.parameters = this->parameters;
needle.process_text (needle_text);
needle.normalize_needle ();
// no cleverness about empty sets
if (!this->pattern.empty () && !needle.pattern.empty ()) {
// basic search algorithm
// TODO: parallel search in 'strings' and 'reordered' - remember last result and ignore repeats
auto ipattern = this->pattern.cbegin ();
auto epattern = this->pattern.cend ();
auto is = needle.pattern.cbegin ();
auto es = needle.pattern.cend ();
location prev_b = { (std::uint32_t) -1, (std::uint32_t) -1 };
location prev_e = { (std::uint32_t) -1, (std::uint32_t) -1 };
std::size_t n = 0;
while (true) {
std::uint32_t fx = 0; // start index in partially found first token
std::uint32_t lx = 0; // length of partially found last token
auto i = ipattern;
auto s = is;
const std::set <std::wstring> * ignore = nullptr;
bool ignore_skip_prefix = false;
while (true) {
if (s == es) {
auto lastfind = get_preceeding_iterator (i);
location found_b = { ipattern->location.row, ipattern->location.column + fx };
location found_e = { lastfind->location.row, lastfind->location.column + lastfind->length - lx };
if (this->found (needle_text, n++, found_b, found_e)) {
std::advance (ipattern, needle.pattern.size () - 1);
prev_b = found_b;
prev_e = found_e;
break;
} else
return n;
}
// end of search
if (i == epattern)
return n;
// check for optional patterns
for (const auto & ip : ignored_patterns) {
if (this->parameters.*ip.option)
if (s->value == ip.prefix/* && s->second.type == token::type::code or idetifier*/) {
ignore = &ip.optional;
ignore_skip_prefix = true;
break;
}
}
bool skip = false;
if (ignore) {
if (ignore_skip_prefix) {
ignore_skip_prefix = false;
} else {
if (ignore->contains (i->value)) {
skip = true;
} else {
ignore = nullptr;
}
}
}
// compare tokens properly
auto equivalent = this->compare_tokens (*i, *s,
(s == is) ? &fx : nullptr,
is_preceeding_iterator (s, es) ? &lx : nullptr);
if (equivalent) {
++i;
++s;
} else
if (skip) {
++i;
} else
break;
}
++ipattern;
}
} else
return 0;
}
bool agsearch::compare_tokens (const token & a, const token & b, std::uint32_t * first, std::uint32_t * last) {
// NOTE: 'a' is the pattern/haystack, 'b' is always the searched query/needle
if (parameters.numbers) {
if ((a.type == token::type::numeric) && (b.type == token::type::numeric)) {
if (this->parameters.match_floats_and_integers) {
if ((a.integer == b.integer) && (a.decimal == b.decimal))
return true;
} else {
if ((a.is_decimal == b.is_decimal) && (a.integer == b.integer) && (a.decimal == b.decimal))
return true;
}
}
}
if ((a.type == token::type::code) || (b.type == token::type::code)) {
// fast path for language symbols comparison
if ((a.type == token::type::code) && (b.type == token::type::code))
if (a.value == b.value)
return true;
} else {
if (this->parameters.orthogonal) {
// code/string/comment must match in orthogonal search
// - for this 'numeric' and 'identifier' are equivalent
switch (b.type) {
case token::type::numeric:
case token::type::identifier:
switch (a.type) {
case token::type::numeric:
case token::type::identifier:
break;
default:
return false;
}
break;
case token::type::string:
case token::type::comment:
if (a.type != b.type)
return false;
}
} else {
// if I enter regular query, I want it match everything
// - if I explicitly enter "string" I want it to match only strings
// - if I explicitly enter //comment I want it to match only comments
switch (b.type) {
case token::type::string:
case token::type::comment:
if (a.type != b.type)
return false;
}
}
DWORD flags = 0;
if ((a.type == token::type::numeric) || (b.type == token::type::numeric)) {
if (this->parameters.case_insensitive_numbers) {
flags |= LINGUISTIC_IGNORECASE;// | NORM_IGNORECASE | NORM_LINGUISTIC_CASING | NORM_IGNOREWIDTH | NORM_IGNOREKANATYPE;
}
}
if ((a.type == token::type::string) || (b.type == token::type::string)) {
if (this->parameters.case_insensitive_strings) {
flags |= LINGUISTIC_IGNORECASE;
}
if (this->parameters.fold_and_ignore_diacritics_strings) {
flags |= LINGUISTIC_IGNOREDIACRITIC;
}
}
if ((a.type == token::type::comment) || (b.type == token::type::comment)) {
if (this->parameters.case_insensitive_comments) {
flags |= LINGUISTIC_IGNORECASE;
}
if (this->parameters.fold_and_ignore_diacritics_comments) {
flags |= LINGUISTIC_IGNOREDIACRITIC;
}
}
if ((a.type == token::type::identifier) || (b.type == token::type::identifier)) {
if (this->parameters.case_insensitive_identifiers) {
flags |= LINGUISTIC_IGNORECASE;// | NORM_IGNORECASE | NORM_LINGUISTIC_CASING | NORM_IGNOREWIDTH | NORM_IGNOREKANATYPE;
}
if (this->parameters.fold_and_ignore_diacritics_identifiers) {
flags |= LINGUISTIC_IGNOREDIACRITIC;// | NORM_IGNORENONSPACE;
}
}
// compare values
if (this->compare_strings (flags, a.value, b.value, first, last))
return true;
// compare alternative
bool aa = !a.alternative.empty ();
bool ab = !b.alternative.empty ();
if (aa || ab) {
if (ab) {
if (this->compare_strings (flags, a.value, b.alternative, first, last))
return true;
}
if (aa) {
if (this->compare_strings (flags, a.alternative, b.value, first, last))
return true;
}
if (aa && ab) {
if (this->compare_strings (flags, a.alternative, b.alternative, first, last))
return true;
}
}
}
// alternative spellings
for (auto & as : alternative_spellings) {
if (this->parameters.*as.option)
if (as.spellings.contains (a.value) && as.spellings.contains (b.value))
return true;
}
if (a.opt_alt_spelling_allowed || b.opt_alt_spelling_allowed) {
for (auto & as : alternative_spellings_optional)
if (this->parameters.*as.option)
if (as.spellings.contains (a.value) && as.spellings.contains (b.value))
return true;
}
return false;
}
bool agsearch::compare_strings (DWORD flags, const std::wstring & a, const std::wstring & b, std::uint32_t * first, std::uint32_t * last) {
if (this->parameters.whole_words) {
if (CompareStringEx (LOCALE_NAME_INVARIANT, flags,
a.data (), (int) a.size (),
b.data (), (int) b.size (),
NULL, NULL, 0) == CSTR_EQUAL)
return true;
} else
if (this->parameters.individual_partial_words) {
if (FindNLSStringEx (LOCALE_NAME_INVARIANT, flags,
a.data (), (int) a.size (),
b.data (), (int) b.size (),
NULL, NULL, NULL, 0) != -1)
return true;
} else {
if (first || last) {
auto length = 0;
auto offset = FindNLSStringEx (LOCALE_NAME_INVARIANT, flags,
a.data (), (int) a.size (),
b.data (), (int) b.size (),
&length, NULL, NULL, 0);
if (offset != -1) {
if (first) {
*first = (std::uint32_t) offset;
}
if (last) {
*last = (std::uint32_t) (a.size () - length - offset);
}
return true;
}
} else {
if (CompareStringEx (LOCALE_NAME_INVARIANT, flags,
a.data (), (int) a.size (),
b.data (), (int) b.size (),
NULL, NULL, 0) == CSTR_EQUAL)
return true;
}
}
return false;
}
void agsearch::process_text (std::wstring_view input) {
auto i = std::wstring_view::npos;
while ((i = input.find (L'\n', i + 1)) != std::wstring_view::npos) {
this->process_line (input.substr (0, i));
input.remove_prefix (i + 1);
}
this->process_line (input);
}
namespace {
bool any_of (wchar_t c, std::wstring_view sv) {
return sv.find (c) != std::wstring_view::npos;
}
}
bool agsearch::is_identifier_initial (wchar_t c) {
return std::iswalpha (c) // TODO: Unicode
|| c == L'_'
;
}
bool agsearch::is_identifier_continuation (wchar_t c) {
switch (this->current.mode) {
case token::type::string:
if (parameters.ignore_accelerator_hints_in_strings) {
if (c == L'&')
return true;
}
break;
}
return std::iswalnum (c) // TODO: Unicode
|| c == L'_'
;
}
bool agsearch::is_numeric_initial (std::wstring_view line) {
return std::iswdigit (line [0])
|| ((line.length () > 1)
&& (line [0] == L'.')
&& std::iswdigit (line [1]));
}
std::size_t agsearch::parse_integer_part (std::wstring_view line, integer_parse_state & state) {
std::size_t i = 0;
if ((line.length () > 1) && (line [0] == L'0')) {
switch (line [1]) {
case L'x': case L'X': state.radix = 16; i = 2; break;
case L'b': case L'B': state.radix = 2; i = 2; break;
default: state.radix = 8; i = 1; break;
}
}
for (; i != line.length (); ++i) {
switch (state.radix) {
case 16:
switch (line [i]) {
case L'0': case L'1': case L'2': case L'3': case L'4': case L'5': case L'6': case L'7': case L'8': case L'9':
state.integer *= 16;
state.integer += line [i] - L'0';
break;
case L'a': case L'b': case L'c': case L'd': case L'e': case L'f':
state.integer *= 16;
state.integer += 10 + (line [i] - L'a');
break;
case L'A': case L'B': case L'C': case L'D': case L'E': case L'F':
state.integer *= 16;
state.integer += 10 + (line [i] - L'A');
break;
case L'.': case L'p': case L'P':
state.real = true;
return i;
case L'\'':
break;
default:
return i;
}
break;
case 10:
switch (line [i]) {
case L'0': case L'1': case L'2': case L'3': case L'4': case L'5': case L'6': case L'7': case L'8': case L'9':
state.integer *= 10;
state.integer += line [i] - L'0';
break;
case L'.': case L'e': case L'E':
state.real = true;
return i;
case L'\'':
break;
default:
return i;
}
break;
case 8:
switch (line [i]) {
case L'0': case L'1': case L'2': case L'3': case L'4': case L'5': case L'6': case L'7':
state.integer *= 8;
state.integer += line [i] - L'0';
break;
case L'\'':
break;
default:
return i;
}
break;
case 2:
switch (line [i]) {
case L'0': state.integer *= 2; break;
case L'1': state.integer *= 2; ++state.integer; break;
case L'\'':
break;
default:
return i;
}
break;
}
}
return i;
}
std::size_t agsearch::parse_decimal_part (std::wstring_view line, integer_parse_state & state) {
if (line [0] == L'.') {
std::size_t i = 1;
for (; i != line.length (); ++i) {
double multiplier = 1.0;
switch (state.radix) {
case 16:
switch (line [i]) {
case L'0': case L'1': case L'2': case L'3': case L'4': case L'5': case L'6': case L'7': case L'8': case L'9':
multiplier /= 16.0;
state.decimal += multiplier * (line [i] - L'0');
break;
case L'a': case L'b': case L'c': case L'd': case L'e': case L'f':
multiplier /= 16.0;
state.decimal += multiplier * (10 + (line [i] - L'a'));
break;
case L'A': case L'B': case L'C': case L'D': case L'E': case L'F':
multiplier /= 16.0;
state.decimal += multiplier * (10 + (line [i] - L'A'));
break;
case L'\'':
break;
default:
return i + this->parse_decimal_exponent (line.substr (i), state);
}
break;
case 10:
switch (line [i]) {
case L'0': case L'1': case L'2': case L'3': case L'4': case L'5': case L'6': case L'7': case L'8': case L'9':
multiplier /= 10.0;
state.decimal += multiplier * (line [i] - L'0');
break;
case L'\'':
break;
default:
return i + this->parse_decimal_exponent (line.substr (i), state);
}
break;
case 8:
switch (line [i]) {
case L'0': case L'1': case L'2': case L'3': case L'4': case L'5': case L'6': case L'7':
multiplier /= 8.0;
state.decimal += multiplier * (line [i] - L'0');
break;
case L'\'':
break;
default:
return i + this->parse_decimal_exponent (line.substr (i), state);
}
break;
}
}
return i;
} else
return this->parse_decimal_exponent (line, state);
}
std::size_t agsearch::parse_decimal_exponent (std::wstring_view line, integer_parse_state & state) {
if (line.length () > 1) {
switch (line [0]) {
case L'p':
case L'P':
case L'e':
case L'E':
// parse exponent
std::size_t i = 1;
bool negative = false;
if (line [i] == '-') {
negative = true;
++i;
}
if (i < line.length ()) {
int exponent = 0;
for (; i != line.length (); ++i) {
switch (line [i]) {
case L'0': case L'1': case L'2': case L'3': case L'4': case L'5': case L'6': case L'7': case L'8': case L'9':
exponent *= 10;
exponent += line [i] - L'0';
break;
case L'\'':
break;
default:
goto apply;
}
}
apply:
if (negative) {
exponent = -exponent;
}
state.decimal += state.integer;
switch (line [0]) {
case L'p':
case L'P':
state.decimal *= std::pow (2, exponent);
break;
case L'e':
case L'E':
state.decimal *= std::pow (10.0, exponent);
break;
}
state.integer = state.decimal;
state.decimal -= state.integer;
return i;
}
}
}
return 0;
}
namespace {
template <typename C>
C at_or_0 (std::basic_string_view <C> & sv, std::size_t i) {
if (i < sv.length ()) {
return sv [i];
} else
return C (0);
}
// assume line[0] == L'\'';
std::size_t character_literal_length (std::wstring_view line) {
std::size_t e = 1u;
while (e < line.length ()) {
switch (line [e]) {
case L'\'':
return e + 1;
case L'\\':
e += 2;
break;
default:
e += 1;
}
}
return line.length ();
}
}
std::size_t agsearch::parse_numeric_suffix (std::wstring_view line, integer_parse_state & state) {
if (!line.empty ()) {
if (state.real) {
// floating-point suffixes
switch (line [0]) {
case L'f':
case L'F':
case L'l':
case L'L':
return 1;
}
} else {
// integer suffixes
switch (line [0]) {
case L'u':
case L'U':
switch (at_or_0 (line, 1)) {
case L'l':
case L'L':
switch (at_or_0 (line, 2)) {
case L'l':
case L'L':
return 3;
}
return 2;
case L'z':
case L'Z':
return 2;
}
return 1;
case L'l':
case L'L':
switch (at_or_0 (line, 1)) {
case L'l':
case L'L':
switch (at_or_0 (line, 2)) {
case L'u':
case L'U':
return 3;
}
return 2;
case L'u':
case L'U':
return 2;
}
return 1;
case L'z':
case L'Z':
switch (at_or_0 (line, 1)) {
case L'u':
case L'U':
return 2;
}
return 1;
}
}
}
return 0;
}
void agsearch::process_line (std::wstring_view line) {
// un-escape and similar transformations
// - 'unescaped' is local copy of 'line' in case it needs to be modified
std::wstring unescaped;
if (this->parameters.unescape/* || this->parameters.accelerators*/) {
// this->unescape_strings (line, unescaped);
}
// strings
/*switch (this->current.mode) {
case token::type::string:
// find ending "
break;
case token::type::code:
break;
}*/
// trim the end
// - makes some options below easier
line = line.substr (0, line.find_last_not_of (whitespace) + 1);
// process
while (!line.empty ()) {
next:
// skip whitespace
auto skipped_whitespace = line.find_first_not_of (whitespace);
if (skipped_whitespace != std::wstring_view::npos) {
this->current.location.column += skipped_whitespace;
line.remove_prefix (skipped_whitespace);
} else
break;
if (this->is_numeric_initial (line)) {
// integers and floating point literals
integer_parse_state state;
auto i = this->parse_integer_part (line, state);
if (i < line.length ()) {
if (state.real) {
i += this->parse_decimal_part (line.substr (i), state);
}
}
if (i < line.length ()) {
i += this->parse_numeric_suffix (line.substr (i), state);
}
this->append_numeric (line.substr (0, i), state.integer, state.real ? &state.decimal : nullptr, i);
line.remove_prefix (i);
} else
if (this->is_identifier_initial (line [0])) {
// identifiers, functions, names, word operators, etc.
std::size_t length = 1u;
while ((length < line.length ()) && this->is_identifier_continuation (line [length])) {
++length;
}
auto identifier = line.substr (0, length);
if (parameters.iso646) {
for (auto & [iso646, simple ] : iso646_tokens) {
if (identifier == iso646) {
line.remove_prefix (length);
this->append_token (simple, length);
goto next;
}
}
}
if (parameters.nullptr_is_0) {
if (identifier == L"nullptr" || identifier == L"NULL") {
line.remove_prefix (length);
this->append_numeric (identifier, 0, nullptr, length);
goto next;
}
}
if (parameters.boolean_is_integer) {
if (identifier == L"true" || identifier == L"false") {
line.remove_prefix (length);
this->append_numeric (identifier, (identifier == L"true") ? 1 : 0, nullptr, length);
goto next;
}
}
this->append_identifier (identifier, length);
line.remove_prefix (length);
} else {
// code/comment/string switching
switch (this->current.mode) {
case token::type::code:
if (line.starts_with (L"/*")) {
line.remove_prefix (2);
this->current.location.column += 2;
this->current.mode = token::type::comment;
goto next;
}
if (line.starts_with (L"//")) {
line.remove_prefix (2);
this->current.location.column += 2;
this->current.mode = token::type::comment;
if (line.ends_with (L'\\')) {
this->single_line_comment = 2;
} else {
this->single_line_comment = 1;
}
goto next;
}
if (line.starts_with (L'\'')) {
if (auto e = character_literal_length (line)) {
// encode string prefix, e.g.: 'L' in L'x'
if (!this->pattern.empty ()) {
auto & last = *this->pattern.crbegin ();
if ((last.type == token::type::identifier) && (last.value.length () == 1)) {
this->current.string_type = (char) last.value [0];
// remove the token with the letter
this->pattern.erase (get_preceeding_iterator (this->pattern.end ()));
}
}
if (e > 1) {
this->current.mode = token::type::string;
this->append_token (line.substr (1, e - 2), e);
this->current.mode = token::type::code;
}
line.remove_prefix (e);
goto next;
}
}
if (line.starts_with (L'"')) {
line.remove_prefix (1);
this->current.location.column += 1;
this->current.mode = token::type::string;
// encode string prefix, e.g.: 'L' in L"string"
if (!this->pattern.empty ()) {
auto & last = *this->pattern.crbegin ();
if ((last.type == token::type::identifier) && (last.value.length () == 1)) {
this->current.string_type = (char) last.value [0];
// remove the token with the letter
this->pattern.erase (get_preceeding_iterator (this->pattern.end ()));
}
}
goto next;
}
break;
case token::type::comment:
if (line.starts_with (L"*/") && !this->single_line_comment) {
line.remove_prefix (2);
this->current.location.column += 2;
this->current.mode = token::type::code;
goto next;
}
if (this->parameters.undecorate_comments) {
if (line.starts_with (L'*') || line.starts_with (L'/')) {
line.remove_prefix (1);
this->current.location.column += 1;
goto next;
}
}
break;
case token::type::string:
if (line.starts_with (L"\\\"")) {
line.remove_prefix (2);
this->append_token (L"\"", 2);
goto next;
}
if (line.starts_with (L'"')) {
line.remove_prefix (1);
this->current.location.column += 1;
this->current.mode = token::type::code;
this->current.string_type = 0;
goto next;
}
break;
}
for (auto & mct : multi_character_tokens) {
if (line.starts_with (mct)) {
line.remove_prefix (mct.length ());
if (parameters.ignore_all_syntactic_tokens) {
this->current.location.column += mct.length ();
} else {
this->append_token (mct, mct.length ());
}
goto next;
}
}
if (this->parameters.digraphs) {
for (auto & digraph : alternative_tokens) {
if (line.starts_with (digraph.first)) {
line.remove_prefix (digraph.first.length ());
if (parameters.ignore_all_syntactic_tokens) {
this->current.location.column += digraph.first.length ();
} else {
this->append_token (digraph.second);
}
goto next;
}
}
}
if (this->parameters.trigraphs) {
for (auto & trigraph : trigraph_tokens) {
if (line.starts_with (trigraph.first)) {
line.remove_prefix (trigraph.first.length ());
if (parameters.ignore_all_syntactic_tokens) {
this->current.location.column += trigraph.first.length ();
} else {
this->append_token (trigraph.second);
}
goto next;
}
}
}
if (parameters.ignore_all_syntactic_tokens) {
++this->current.location.column;
line.remove_prefix (1);
goto next;
}
if (parameters.ignore_all_parentheses && ((line [0] == L'(') || (line [0] == L')'))) {
++this->current.location.column;
line.remove_prefix (1);
goto next;
}
if (parameters.ignore_all_brackets && ((line [0] == L'[') || (line [0] == L']'))) {
++this->current.location.column;
line.remove_prefix (1);
goto next;
}
if (parameters.ignore_all_braces && ((line [0] == L'{') || (line [0] == L'}'))) {
++this->current.location.column;
line.remove_prefix (1);
goto next;
}
if (parameters.ignore_all_commas && (line [0] == L',')) {
++this->current.location.column;