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Store error recovery actions in the normal parse table

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This commit is contained in:
Max Brunsfeld 2016-06-27 14:07:47 -07:00
parent 08e47001f1
commit 8c26d99353
11 changed files with 84 additions and 112 deletions
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7
src/compiler/parse_table.cc
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@ -53,6 +53,11 @@ ParseAction ParseAction::Shift(ParseStateId state_index,
precedence_range, rules::AssociativityNone, nullptr);
}
ParseAction ParseAction::Recover(ParseStateId state_index) {
return ParseAction(ParseActionTypeRecover, state_index, Symbol(-1), 0,
PrecedenceRange(), rules::AssociativityNone, nullptr);
}
ParseAction ParseAction::ShiftExtra() {
ParseAction action;
action.type = ParseActionTypeShift;
@ -138,7 +143,7 @@ set<Symbol> ParseState::expected_inputs() const {
void ParseState::each_advance_action(function<void(ParseAction *)> fn) {
for (auto &entry : entries)
for (ParseAction &action : entry.second.actions)
if (action.type == ParseActionTypeShift)
if (action.type == ParseActionTypeShift || ParseActionTypeRecover)
fn(&action);
}