acad97cfd2
This way, we can hide auxiliary symbols from library users, but still allow them to use hidden symbols
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
#ifndef tree_sitter_compiler_h
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#define tree_sitter_compiler_h
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#include <vector>
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#include <map>
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#include <set>
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#include <string>
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#include <memory>
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namespace tree_sitter {
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namespace rules {
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class Rule;
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class Symbol;
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struct CharacterRange {
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char min;
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char max;
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CharacterRange(char);
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CharacterRange(char, char);
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bool operator==(const CharacterRange &) const;
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bool operator<(const CharacterRange &) const;
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std::string to_string() const;
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};
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}
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}
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namespace std {
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template<>
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struct hash<tree_sitter::rules::CharacterRange> {
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size_t operator()(const tree_sitter::rules::CharacterRange &range) const {
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return (hash<char>()(range.min) ^ hash<char>()(range.max));
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}
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};
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}
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namespace tree_sitter {
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namespace rules {
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typedef std::shared_ptr<Rule> rule_ptr;
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std::ostream& operator<<(std::ostream& stream, const rule_ptr &rule);
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rule_ptr blank();
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rule_ptr character(const std::set<CharacterRange> &matches);
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rule_ptr character(const std::set<CharacterRange> &matches, bool);
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rule_ptr choice(const std::vector<rule_ptr> &rules);
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rule_ptr pattern(const std::string &value);
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rule_ptr repeat(const rule_ptr content);
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rule_ptr seq(const std::vector<rule_ptr> &rules);
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rule_ptr str(const std::string &value);
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rule_ptr sym(const std::string &name);
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rule_ptr _sym(const std::string &name);
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}
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}
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namespace tree_sitter {
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class Grammar {
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typedef std::map<const std::string, const rules::rule_ptr> rule_map;
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public:
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Grammar(std::string start_rule_name, const rule_map &rules);
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Grammar(std::string start_rule_name, const rule_map &rules, const rule_map &aux_rules);
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bool operator==(const Grammar &other) const;
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bool has_definition(const rules::Symbol &symbol) const;
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const rules::rule_ptr rule(const rules::Symbol &symbol) const;
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const std::string start_rule_name;
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const rule_map rules;
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const rule_map aux_rules;
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};
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std::ostream& operator<<(std::ostream &stream, const Grammar &grammar);
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std::string compile(const Grammar &grammar, std::string name);
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}
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#endif
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