72 lines
2.4 KiB
C++
72 lines
2.4 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 <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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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 choice(const std::vector<rule_ptr> &rules);
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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 sym(const std::string &name);
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rule_ptr pattern(const std::string &value);
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rule_ptr str(const std::string &value);
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rule_ptr keyword(const std::string &value);
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rule_ptr err(const rule_ptr &rule);
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rule_ptr prec(int precedence, rule_ptr rule);
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rule_ptr token(rule_ptr rule);
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}
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class Grammar {
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protected:
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std::vector<std::string> ubiquitous_tokens_;
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const std::vector<std::pair<std::string, rules::rule_ptr>> rules_;
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public:
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Grammar(const std::vector<std::pair<std::string, rules::rule_ptr>> &rules);
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bool operator==(const Grammar &other) const;
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std::string start_rule_name() const;
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const rules::rule_ptr rule(const std::string &name) const;
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const std::vector<std::string> & ubiquitous_tokens() const;
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const Grammar & ubiquitous_tokens(const std::vector<std::string> &ubiquitous_tokens);
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const std::vector<std::pair<std::string, rules::rule_ptr>> & rules() const;
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};
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struct Conflict {
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Conflict(std::string description);
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std::string description;
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bool operator==(const Conflict &other) const;
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bool operator<(const Conflict &other) const;
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};
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enum GrammarErrorType {
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GrammarErrorTypeRegex,
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GrammarErrorTypeUndefinedSymbol
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};
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class GrammarError {
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public:
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GrammarError(GrammarErrorType type, std::string message);
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bool operator==(const GrammarError &other) const;
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GrammarErrorType type;
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std::string message;
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};
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std::ostream& operator<<(std::ostream &stream, const Grammar &grammar);
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std::ostream& operator<<(std::ostream &stream, const Conflict &conflict);
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std::ostream& operator<<(std::ostream &stream, const GrammarError *error);
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std::tuple<std::string, std::vector<Conflict>, const GrammarError *>
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compile(const Grammar &grammar, std::string name);
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}
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#endif // TREE_SITTER_COMPILER_H_
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