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Use std::string_view in peg::parser

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yhirose 2021-01-22 09:16:42 -05:00
parent 02f428ab67
commit 217d551744
1 changed files with 17 additions and 18 deletions
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35
peglib.h
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@ -3955,11 +3955,12 @@ public:
load_grammar(s, n, rules); load_grammar(s, n, rules);
} }
parser(const char *s, const Rules &rules) : parser(s, strlen(s), rules) {} parser(std::string_view sv, const Rules &rules)
: parser(sv.data(), sv.size(), rules) {}
parser(const char *s, size_t n) : parser(s, n, Rules()) {} parser(const char *s, size_t n) : parser(s, n, Rules()) {}
parser(const char *s) : parser(s, strlen(s), Rules()) {} parser(std::string_view sv) : parser(sv.data(), sv.size(), Rules()) {}
operator bool() { return grammar_ != nullptr; } operator bool() { return grammar_ != nullptr; }
@ -3972,14 +3973,12 @@ public:
return load_grammar(s, n, Rules()); return load_grammar(s, n, Rules());
} }
bool load_grammar(const char *s, const Rules &rules) { bool load_grammar(std::string_view sv, const Rules &rules) {
auto n = strlen(s); return load_grammar(sv.data(), sv.size(), rules);
return load_grammar(s, n, rules);
} }
bool load_grammar(const char *s) { bool load_grammar(std::string_view sv) {
auto n = strlen(s); return load_grammar(sv.data(), sv.size());
return load_grammar(s, n);
} }
bool parse_n(const char *s, size_t n, const char *path = nullptr) const { bool parse_n(const char *s, size_t n, const char *path = nullptr) const {
@ -3990,9 +3989,8 @@ public:
return false; return false;
} }
bool parse(const char *s, const char *path = nullptr) const { bool parse(std::string_view sv, const char *path = nullptr) const {
auto n = strlen(s); return parse_n(sv.data(), sv.size(), path);
return parse_n(s, n, path);
} }
bool parse_n(const char *s, size_t n, std::any &dt, bool parse_n(const char *s, size_t n, std::any &dt,
@ -4004,9 +4002,9 @@ public:
return false; return false;
} }
bool parse(const char *s, std::any &dt, const char *path = nullptr) const { bool parse(std::string_view sv, std::any &dt,
auto n = strlen(s); const char *path = nullptr) const {
return parse_n(s, n, dt, path); return parse_n(sv.data(), sv.size(), dt, path);
} }
template <typename T> template <typename T>
@ -4020,9 +4018,8 @@ public:
} }
template <typename T> template <typename T>
bool parse(const char *s, T &val, const char *path = nullptr) const { bool parse(std::string_view sv, T &val, const char *path = nullptr) const {
auto n = strlen(s); return parse_n(sv.data(), sv.size(), val, path);
return parse_n(s, n, val, path);
} }
template <typename T> template <typename T>
@ -4077,7 +4074,9 @@ public:
return *this; return *this;
} }
template <typename T> std::shared_ptr<T> optimize_ast(std::shared_ptr<T> ast, bool opt_mode = true) const { template <typename T>
std::shared_ptr<T> optimize_ast(std::shared_ptr<T> ast,
bool opt_mode = true) const {
return AstOptimizer(opt_mode, get_no_ast_opt_rules()).optimize(ast); return AstOptimizer(opt_mode, get_no_ast_opt_rules()).optimize(ast);
} }