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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/ast/pattern.cpp
+6
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@@ -48,6 +48,9 @@ void Pattern::Print(llvm::raw_ostream& out) const {
case PatternKind::ExpressionPattern:
out << cast<ExpressionPattern>(*this).expression();
break;
case PatternKind::VarPattern:
out << "var" << cast<VarPattern>(*this).pattern();
break;
}
}
@@ -71,6 +74,9 @@ static void GetBindingsImpl(
case PatternKind::AutoPattern:
case PatternKind::ExpressionPattern:
return;
case PatternKind::VarPattern:
GetBindingsImpl(cast<VarPattern>(pattern).pattern(), bindings);
return;
}
}