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Code Issues Packages Projects Releases 10 Wiki Activity

Let variables (#1095)

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* Modify parser and AST nodes to include let statement

* Implement let variables

* Remove redundant code in fail_match_choice test

* Add comment for has_value_category()

* Apply suggestions from code review

Co-authored-by: Jon Meow <46229924+jonmeow@users.noreply.github.com>

* clang-format changes

* Update comments for new BindingPattern methods

* Implement nested vars in patterns

* Apply suggestions from @geoffromer's code review

Co-authored-by: Geoff Romer <gromer@google.com>

* Implement changes from code review.

* Remove maybe_var_pattern grammar rule

Co-authored-by: Jon Meow <46229924+jonmeow@users.noreply.github.com>
Co-authored-by: Geoff Romer <gromer@google.com>
This commit is contained in:
Darshal Shetty
2022-03-11 16:30:24 -05:00
committed by GitHub
co-authored by Jon Meow Geoff Romer
parent 93842ad878
commit 20b272446f
20 changed files with 340 additions and 23 deletions
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executable_semantics/interpreter/interpreter.cpp
+7
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@@ -760,6 +760,13 @@ void Interpreter::StepPattern() {
} else {
return todo_.FinishAction(act.results()[0]);
}
case PatternKind::VarPattern:
if (act.pos() == 0) {
return todo_.Spawn(std::make_unique<PatternAction>(
&cast<VarPattern>(pattern).pattern()));
} else {
return todo_.FinishAction(act.results()[0]);
}
}
}