tree-sitter/src/compiler/prepared_grammar.h
Max Brunsfeld 7df35f9b8d Make separate types for syntax and lexical grammars
This way, the separator characters can be added as a field to
lexical grammars only
2014-06-25 13:27:16 -07:00

48 lines
1.6 KiB
C++

#ifndef COMPILER_PREPARED_GRAMMAR_H_
#define COMPILER_PREPARED_GRAMMAR_H_
#include <vector>
#include <string>
#include <utility>
#include "tree_sitter/compiler.h"
#include "compiler/rules/symbol.h"
namespace tree_sitter {
class PreparedGrammar {
public:
PreparedGrammar();
PreparedGrammar(
const std::vector<std::pair<std::string, rules::rule_ptr>> &rules,
const std::vector<std::pair<std::string, rules::rule_ptr>> &aux_rules);
const std::vector<std::pair<std::string, rules::rule_ptr>> rules;
const std::vector<std::pair<std::string, rules::rule_ptr>> aux_rules;
const std::string & rule_name(const rules::Symbol &symbol) const;
const rules::rule_ptr & rule(const rules::Symbol &symbol) const;
};
class SyntaxGrammar : public PreparedGrammar {
public:
SyntaxGrammar();
SyntaxGrammar(
const std::vector<std::pair<std::string, rules::rule_ptr>> &rules,
const std::vector<std::pair<std::string, rules::rule_ptr>> &aux_rules,
const std::vector<rules::Symbol> &ubiquitous_tokens);
std::vector<rules::Symbol> ubiquitous_tokens;
};
class LexicalGrammar : public PreparedGrammar {
public:
LexicalGrammar();
LexicalGrammar(
const std::vector<std::pair<std::string, rules::rule_ptr>> &rules,
const std::vector<std::pair<std::string, rules::rule_ptr>> &aux_rules,
const std::vector<char> &separators);
std::vector<char> separators;
};
}
#endif // COMPILER_PREPARED_GRAMMAR_H_