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Switch Expression to use inheritance+cast (#712)

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Co-authored-by: Geoff Romer <gromer@google.com>
This commit is contained in:
Jon Meow
2021-08-06 15:43:25 -07:00
committed by GitHub
co-authored by Geoff Romer
parent 4e0307efbc
commit dbcd6ad20d
9 changed files with 527 additions and 556 deletions
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executable_semantics/ast/pattern.h
+2 -2
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@@ -111,7 +111,7 @@ class TuplePattern : public Pattern {
// Converts tuple_literal to a TuplePattern, by wrapping each field in an
// ExpressionPattern.
//
// REQUIRES: tuple_literal->Tag() == ExpressionKind::TupleLiteral
// REQUIRES: tuple_literal->Tag() == Expression::Kind::TupleLiteral
explicit TuplePattern(const Expression* tuple_literal);
static auto classof(const Pattern* pattern) -> bool {
@@ -182,7 +182,7 @@ class AlternativePattern : public Pattern {
class ExpressionPattern : public Pattern {
public:
ExpressionPattern(const Expression* expression)
: Pattern(Kind::ExpressionPattern, expression->line_num),
: Pattern(Kind::ExpressionPattern, expression->LineNumber()),
expression(expression) {}
static auto classof(const Pattern* pattern) -> bool {