traxys/tree-sitter
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This commit is contained in:
Max Brunsfeld 2014-07-20 21:43:27 -07:00
parent b8d8386e63
commit 98cc2f2264
105 changed files with 4223 additions and 4052 deletions
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125
src/compiler/parse_table.h
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@ -9,75 +9,82 @@
#include "compiler/rules/symbol.h"
namespace tree_sitter {
typedef uint64_t ParseStateId;
typedef enum {
ParseActionTypeError,
ParseActionTypeShift,
ParseActionTypeShiftExtra,
ParseActionTypeReduce,
ParseActionTypeReduceExtra,
ParseActionTypeAccept,
} ParseActionType;
typedef uint64_t ParseStateId;
class ParseAction {
ParseAction(ParseActionType type,
ParseStateId state_index,
rules::Symbol symbol,
size_t consumed_symbol_count,
std::set<int> precedence_values);
public:
ParseAction();
static ParseAction Accept();
static ParseAction Error();
static ParseAction Shift(ParseStateId state_index, std::set<int> precedence_values);
static ParseAction Reduce(rules::Symbol symbol, size_t consumed_symbol_count, int precedence);
static ParseAction ShiftExtra();
static ParseAction ReduceExtra(rules::Symbol symbol);
bool operator==(const ParseAction &action) const;
typedef enum {
ParseActionTypeError,
ParseActionTypeShift,
ParseActionTypeShiftExtra,
ParseActionTypeReduce,
ParseActionTypeReduceExtra,
ParseActionTypeAccept,
} ParseActionType;
ParseActionType type;
rules::Symbol symbol;
ParseStateId state_index;
size_t consumed_symbol_count;
std::set<int> precedence_values;
};
class ParseAction {
ParseAction(ParseActionType type, ParseStateId state_index,
rules::Symbol symbol, size_t consumed_symbol_count,
std::set<int> precedence_values);
std::ostream& operator<<(std::ostream &stream, const ParseAction &item);
}
public:
ParseAction();
static ParseAction Accept();
static ParseAction Error();
static ParseAction Shift(ParseStateId state_index,
std::set<int> precedence_values);
static ParseAction Reduce(rules::Symbol symbol, size_t consumed_symbol_count,
int precedence);
static ParseAction ShiftExtra();
static ParseAction ReduceExtra(rules::Symbol symbol);
bool operator==(const ParseAction &action) const;
ParseActionType type;
rules::Symbol symbol;
ParseStateId state_index;
size_t consumed_symbol_count;
std::set<int> precedence_values;
};
std::ostream &operator<<(std::ostream &stream, const ParseAction &item);
} // namespace tree_sitter
namespace std {
template<>
struct hash<tree_sitter::ParseAction> {
size_t operator()(const tree_sitter::ParseAction &action) const {
return (
hash<int>()(action.type) ^
hash<tree_sitter::rules::Symbol>()(action.symbol) ^
hash<size_t>()(action.state_index) ^
hash<size_t>()(action.consumed_symbol_count));
}
};
}
template <>
struct hash<tree_sitter::ParseAction> {
size_t operator()(const tree_sitter::ParseAction &action) const {
return (hash<int>()(action.type) ^
hash<tree_sitter::rules::Symbol>()(action.symbol) ^
hash<size_t>()(action.state_index) ^
hash<size_t>()(action.consumed_symbol_count));
}
};
} // namespace std
namespace tree_sitter {
class ParseState {
public:
ParseState();
std::map<rules::Symbol, ParseAction> actions;
std::set<rules::Symbol> expected_inputs() const;
LexStateId lex_state_id;
};
std::ostream& operator<<(std::ostream &stream, const ParseState &state);
class ParseState {
public:
ParseState();
std::map<rules::Symbol, ParseAction> actions;
std::set<rules::Symbol> expected_inputs() const;
LexStateId lex_state_id;
};
class ParseTable {
public:
ParseStateId add_state();
void add_action(ParseStateId state_id, rules::Symbol symbol, ParseAction action);
std::ostream &operator<<(std::ostream &stream, const ParseState &state);
std::vector<ParseState> states;
std::set<rules::Symbol> symbols;
};
}
class ParseTable {
public:
ParseStateId add_state();
void add_action(ParseStateId state_id, rules::Symbol symbol,
ParseAction action);
std::vector<ParseState> states;
std::set<rules::Symbol> symbols;
};
} // namespace tree_sitter
#endif // COMPILER_PARSE_TABLE_H_