42 lines
968 B
C++
42 lines
968 B
C++
#ifndef COMPILER_SYNTAX_GRAMMAR_H_
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#define COMPILER_SYNTAX_GRAMMAR_H_
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#include <vector>
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#include <string>
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#include <set>
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#include "compiler/rule.h"
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#include "compiler/grammar.h"
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namespace tree_sitter {
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struct ProductionStep {
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inline bool operator==(const ProductionStep &other) const {
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return symbol == other.symbol && precedence == other.precedence &&
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associativity == other.associativity;
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}
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rules::Symbol symbol;
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int precedence;
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rules::Associativity associativity;
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};
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typedef std::vector<ProductionStep> Production;
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struct SyntaxVariable {
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std::string name;
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VariableType type;
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std::vector<Production> productions;
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};
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using ConflictSet = std::set<rules::Symbol>;
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struct SyntaxGrammar {
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std::vector<SyntaxVariable> variables;
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std::set<rules::Symbol> extra_tokens;
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std::set<ConflictSet> expected_conflicts;
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std::vector<ExternalToken> external_tokens;
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};
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} // namespace tree_sitter
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#endif // COMPILER_SYNTAX_GRAMMAR_H_
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