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Fix handling of repeated tuple indexing. (#4733)

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Per [the
design](https://docs.carbon-lang.dev/docs/design/lexical_conventions/),
`x.1.2` should lex as `(x.1).2`, not as `x.(1.2)`.
This commit is contained in:
Richard Smith
2024-12-21 06:57:14 +00:00
committed by GitHub
parent 266fd6aa75
commit 28602a87c2
10 changed files with 191 additions and 36 deletions
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toolchain/lex/tokenized_buffer_test.cpp
+3 -1
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@@ -337,7 +337,9 @@ TEST_F(LexerTest, SplitsNumericLiteralsProperly) {
// newline
{.kind = TokenKind::RealLiteral, .text = "9.0"},
{.kind = TokenKind::Period},
{.kind = TokenKind::RealLiteral, .text = "9.5"},
{.kind = TokenKind::IntLiteral, .text = "9"},
{.kind = TokenKind::Period},
{.kind = TokenKind::IntLiteral, .text = "5"},
// newline
{.kind = TokenKind::Error, .text = "10.foo"},
// newline