2df56f01c8
Now, you can't a particular occurrence of a symbol in a grammar. You can only hide a symbol globally (right now, by beginning its name with an underscore).
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
#ifndef COMPILER_RULES_SYMBOL_H_
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#define COMPILER_RULES_SYMBOL_H_
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#include <string>
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#include <utility>
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#include "compiler/rules/rule.h"
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namespace tree_sitter {
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namespace rules {
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typedef enum {
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SymbolTypeNormal,
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SymbolTypeAuxiliary,
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SymbolTypeBuiltIn
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} SymbolType;
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class Symbol : public Rule {
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public:
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explicit Symbol(const std::string &name);
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Symbol(const std::string &name, SymbolType type);
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bool operator==(const Rule& other) const;
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bool operator==(const Symbol &other) const;
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size_t hash_code() const;
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rule_ptr copy() const;
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std::string to_string() const;
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void accept(Visitor *visitor) const;
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bool operator<(const Symbol &other) const;
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bool is_built_in() const;
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bool is_hidden() const;
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bool is_auxiliary() const;
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std::string name;
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SymbolType type;
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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::Symbol> {
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size_t operator()(const tree_sitter::rules::Symbol &rule) const {
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return rule.hash_code();
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}
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};
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}
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#endif // COMPILER_RULES_SYMBOL_H_
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