traxys/tree-sitter
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Add rule precedence construct

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Still need to add some way of expressing left and right
associativity
This commit is contained in:
Max Brunsfeld 2014-04-14 23:11:10 -07:00
parent e23604ac52
commit a437d39773
23 changed files with 750 additions and 1504 deletions
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8
src/compiler/parse_table.h
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@ -20,19 +20,21 @@ namespace tree_sitter {
ParseAction(ParseActionType type,
size_t state_index,
rules::Symbol symbol,
size_t consumed_symbol_count);
size_t consumed_symbol_count,
std::set<int> precedence_values);
public:
ParseAction();
static ParseAction Accept();
static ParseAction Error();
static ParseAction Shift(size_t state_index);
static ParseAction Reduce(rules::Symbol symbol, size_t consumed_symbol_count);
static ParseAction Shift(size_t state_index, std::set<int> precedence_values);
static ParseAction Reduce(rules::Symbol symbol, size_t consumed_symbol_count, int precedence);
bool operator==(const ParseAction &action) const;
ParseActionType type;
rules::Symbol symbol;
size_t state_index;
size_t consumed_symbol_count;
std::set<int> precedence_values;
};
std::ostream& operator<<(std::ostream &stream, const ParseAction &item);