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Reject invalid string literal whitespace on unescape (#793)
This is based on discussion on #732: that we should probably parse the invalid whitespace, then reject it as part of string validation, rather than having different parses. I worry the question of "how is this parsed" may lead to subtly unexpected results if we aren't consistent, so I'm switching the logic from the lexer to the unescape library (and also adjusting the list of rejected whitespace).
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,2 +1,2 @@ | ||
COMPILATION ERROR: executable_semantics/testdata/string_fail6.carbon:6: invalid character '\x22' in source file. | ||
COMPILATION ERROR: executable_semantics/testdata/string_fail6.carbon:6: Invalid escaping in string: "new line" | ||
EXIT CODE: 255 |