47 lines
1.1 KiB
C++
47 lines
1.1 KiB
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 "tree_sitter/compiler.h"
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#include "compiler/rules/symbol.h"
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#include "compiler/variable.h"
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namespace tree_sitter {
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struct ProductionStep {
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ProductionStep(const rules::Symbol &, int, Associativity);
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ProductionStep(const rules::Symbol &, int, Associativity, int);
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bool operator==(const ProductionStep &) const;
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rules::Symbol symbol;
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int precedence;
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Associativity associativity;
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int rule_id;
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};
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typedef std::vector<ProductionStep> Production;
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struct SyntaxVariable {
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SyntaxVariable(const std::string &, VariableType,
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const std::vector<Production> &);
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std::string name;
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std::vector<Production> productions;
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VariableType type;
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};
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typedef std::set<rules::Symbol> ConflictSet;
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struct SyntaxGrammar {
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const std::vector<Production> &productions(const rules::Symbol &) const;
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std::vector<SyntaxVariable> variables;
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std::set<rules::Symbol> ubiquitous_tokens;
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std::set<ConflictSet> expected_conflicts;
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};
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} // namespace tree_sitter
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#endif // COMPILER_SYNTAX_GRAMMAR_H_
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