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-rw-r--r--server/lexer/details/parse.cpp34
1 files changed, 16 insertions, 18 deletions
diff --git a/server/lexer/details/parse.cpp b/server/lexer/details/parse.cpp
index 5e9ce9f..9f56573 100644
--- a/server/lexer/details/parse.cpp
+++ b/server/lexer/details/parse.cpp
@@ -23,7 +23,7 @@ namespace {
class RegexNumberMatcher {
public:
bool match(const std::string_view& input) {
- if (!basic_match(input)) {
+ if (!match_regex(input)) {
return false;
}
// If we have the numeric part of a number followed by 'e' and no
@@ -36,7 +36,7 @@ public:
return true;
}
- virtual std::string_view get() const = 0;
+ virtual std::string_view to_view() const = 0;
protected:
// This is a hacky attempt to describe a C-like grammar for floating-point
@@ -45,7 +45,7 @@ protected:
static constexpr std::string_view NUMBER_REGEX{R"REGEX(^(?:\d+(?:\.\d*)?|\.\d+)(e[+-]?(\d*))?)REGEX"};
private:
- virtual bool basic_match(const std::string_view& input) = 0;
+ virtual bool match_regex(const std::string_view& input) = 0;
virtual std::string to_str() const = 0;
@@ -56,15 +56,14 @@ private:
class StdNumberMatcher : public RegexNumberMatcher {
public:
- std::string_view get() const override {
- return {m_match[0].first, static_cast<std::size_t>(m_match[0].length())};
+ std::string_view to_view() const override {
+ return {&*m_match[0].first, static_cast<std::size_t>(m_match[0].length())};
+ // ^ I fucking hate C++.
}
private:
- bool basic_match(const std::string_view& input) override {
- const auto begin = input.data();
- const auto end = begin + input.length();
- return std::regex_search(begin, end, m_match, get_regex());
+ bool match_regex(const std::string_view& input) override {
+ return std::regex_search(input.cbegin(), input.cend(), m_match, get_regex());
}
static const std::regex& get_regex() {
@@ -81,20 +80,19 @@ private:
bool matched_e_power() const override { return m_match[2].matched && m_match[2].length() != 0; }
- std::cmatch m_match;
+ std::match_results<std::string_view::const_iterator> m_match;
};
class BoostNumberMatcher : public RegexNumberMatcher {
public:
- std::string_view get() const override {
- return {m_match[0].first, static_cast<std::size_t>(m_match[0].length())};
+ std::string_view to_view() const override {
+ return {&*m_match[0].first, static_cast<std::size_t>(m_match[0].length())};
+ // ^ I fucking hate C++.
}
private:
- bool basic_match(const std::string_view& input) override {
- const auto begin = input.data();
- const auto end = begin + input.length();
- return boost::regex_search(begin, end, m_match, get_regex());
+ bool match_regex(const std::string_view& input) override {
+ return boost::regex_search(input.cbegin(), input.cend(), m_match, get_regex());
}
static const boost::regex& get_regex() {
@@ -111,14 +109,14 @@ private:
bool matched_e_power() const override { return m_match[2].matched && m_match[2].length() != 0; }
- boost::cmatch m_match;
+ boost::match_results<std::string_view::const_iterator> m_match;
};
std::optional<double> parse_number(const std::string_view& input, RegexNumberMatcher&& matcher, std::string_view& token) {
if (!matcher.match(input)) {
return {};
}
- const auto view = matcher.get();
+ const auto view = matcher.to_view();
try {
const auto result = std::stod(std::string{view});
token = view;