mirror of
https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
b06fcc97f6
- Escape dumped token strings (what got me here) - Change the quoting from backticks to quotes - Also add a `FormatEscaped` helper function for this, updating other `.write_escaped` uses
99 lines
4.7 KiB
Plaintext
99 lines
4.7 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lex/testdata/string_literals.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lex/testdata/string_literals.carbon
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// --- fail_decimal_escape.carbon
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// CHECK:STDOUT: - filename: fail_decimal_escape.carbon
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// CHECK:STDOUT: tokens:
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// CHECK:STDERR: fail_decimal_escape.carbon:[[@LINE+4]]:4: error: decimal digit follows `\0` escape sequence. Use `\x00` instead of `\0` if the next character is a digit [DecimalEscapeSequence]
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// CHECK:STDERR: "\01"
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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"\01"
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// CHECK:STDOUT: - { index: 1, kind: "StringLiteral", line: {{ *}}[[@LINE-1]], column: 1, indent: 1, spelling: "\"\\01\"", value: "\x001", has_leading_space: true }
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// --- fail_unterminated.carbon
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// CHECK:STDOUT: - filename: fail_unterminated.carbon
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// CHECK:STDOUT: tokens:
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// CHECK:STDERR: fail_unterminated.carbon:[[@LINE+4]]:1: error: string is missing a terminator [UnterminatedString]
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// CHECK:STDERR: "s
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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"s
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// CHECK:STDOUT: - { index: 1, kind: "Error", line: {{ *}}[[@LINE-1]], column: 1, indent: 1, spelling: "\"s", has_leading_space: true }
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// --- fail_unknown_escape.carbon
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// CHECK:STDOUT: - filename: fail_unknown_escape.carbon
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// CHECK:STDOUT: tokens:
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// CHECK:STDERR: fail_unknown_escape.carbon:[[@LINE+4]]:3: error: unrecognized escape sequence `w` [UnknownEscapeSequence]
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// CHECK:STDERR: "\w"
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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"\w"
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// CHECK:STDOUT: - { index: 1, kind: "StringLiteral", line: {{ *}}[[@LINE-1]], column: 1, indent: 1, spelling: "\"\\w\"", value: "w", has_leading_space: true }
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// --- fail_unicode_escape_missing_braced_digits.carbon
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// CHECK:STDOUT: - filename: fail_unicode_escape_missing_braced_digits.carbon
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// CHECK:STDOUT: tokens:
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// CHECK:STDERR: fail_unicode_escape_missing_braced_digits.carbon:[[@LINE+4]]:4: error: escape sequence `\u` must be followed by a braced sequence of uppercase hexadecimal digits, for example `\u{70AD}}` [UnicodeEscapeMissingBracedDigits]
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// CHECK:STDERR: "\u"
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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"\u"
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// CHECK:STDOUT: - { index: 1, kind: "StringLiteral", line: {{ *}}[[@LINE-1]], column: 1, indent: 1, spelling: "\"\\u\"", value: "u", has_leading_space: true }
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// --- fail_hex_escape_missing_digits.carbon
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// CHECK:STDOUT: - filename: fail_hex_escape_missing_digits.carbon
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// CHECK:STDOUT: tokens:
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// CHECK:STDERR: fail_hex_escape_missing_digits.carbon:[[@LINE+4]]:4: error: escape sequence `\x` must be followed by two uppercase hexadecimal digits, for example `\x0F` [HexadecimalEscapeMissingDigits]
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// CHECK:STDERR: "\x"
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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"\x"
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// CHECK:STDOUT: - { index: 1, kind: "StringLiteral", line: {{ *}}[[@LINE-1]], column: 1, indent: 1, spelling: "\"\\x\"", value: "x", has_leading_space: true }
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// --- fail_literal_tab_in_string.carbon
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// CHECK:STDOUT: - filename: fail_literal_tab_in_string.carbon
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// CHECK:STDOUT: tokens:
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// CHECK:STDERR: fail_literal_tab_in_string.carbon:[[@LINE+4]]:2: error: whitespace other than plain space must be expressed with an escape sequence in a string literal [InvalidHorizontalWhitespaceInString]
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// CHECK:STDERR: "{{\t}}"
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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" "
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// CHECK:STDOUT: - { index: 1, kind: "StringLiteral", line: {{ *}}[[@LINE-1]], column: 1, indent: 1, spelling: "\"\t\"", value: "\t", has_leading_space: true }
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// --- fail_unicode_surrogate.carbon
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// CHECK:STDOUT: - filename: fail_unicode_surrogate.carbon
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// CHECK:STDOUT: tokens:
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// CHECK:STDERR: fail_unicode_surrogate.carbon:[[@LINE+4]]:5: error: code point specified by `\u{...}}` escape is a surrogate character [UnicodeEscapeSurrogate]
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// CHECK:STDERR: "\u{D800}"
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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"\u{D800}"
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// CHECK:STDOUT: - { index: 1, kind: "StringLiteral", line: {{ *}}[[@LINE-1]], column: 1, indent: 1, spelling: "\"\\u{D800}\"", value: "u{D800}", has_leading_space: true }
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// --- fail_unicode_length.carbon
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// CHECK:STDOUT: - filename: fail_unicode_length.carbon
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// CHECK:STDOUT: tokens:
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// CHECK:STDERR: fail_unicode_length.carbon:[[@LINE+4]]:5: error: code point specified by `\u{...}}` escape is greater than 0x10FFFF [UnicodeEscapeTooLarge]
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// CHECK:STDERR: "\u{FFFFFFFF}"
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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"\u{FFFFFFFF}"
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// CHECK:STDOUT: - { index: 1, kind: "StringLiteral", line: {{ *}}[[@LINE-1]], column: 1, indent: 1, spelling: "\"\\u{FFFFFFFF}\"", value: "u{FFFFFFFF}", has_leading_space: true }
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