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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/tools/rust-analyzer/crates/parser/test_data/lexer/err
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/rust-analyzer/crates/parser/test_data/lexer/err')
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-rw-r--r--src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_with_ascii.txt9
171 files changed, 391 insertions, 0 deletions
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_exponent.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_exponent.rast
new file mode 100644
index 000000000..af03d73ce
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_exponent.rast
@@ -0,0 +1,48 @@
+FLOAT_NUMBER "0e" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "0E" error: Missing digits after the exponent symbol
+WHITESPACE "\n\n"
+FLOAT_NUMBER "42e+" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42e-" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42E+" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42E-" error: Missing digits after the exponent symbol
+WHITESPACE "\n\n"
+INT_NUMBER "42"
+DOT "."
+IDENT "e"
+PLUS "+"
+WHITESPACE "\n"
+INT_NUMBER "42"
+DOT "."
+IDENT "e"
+MINUS "-"
+WHITESPACE "\n"
+INT_NUMBER "42"
+DOT "."
+IDENT "E"
+PLUS "+"
+WHITESPACE "\n"
+INT_NUMBER "42"
+DOT "."
+IDENT "E"
+MINUS "-"
+WHITESPACE "\n\n"
+FLOAT_NUMBER "42.2e+" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42.2e-" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42.2E+" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42.2E-" error: Missing digits after the exponent symbol
+WHITESPACE "\n\n"
+FLOAT_NUMBER "42.2e+f32" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42.2e-f32" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42.2E+f32" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42.2E-f32" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_exponent.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_exponent.rs
new file mode 100644
index 000000000..286584c88
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_exponent.rs
@@ -0,0 +1,22 @@
+0e
+0E
+
+42e+
+42e-
+42E+
+42E-
+
+42.e+
+42.e-
+42.E+
+42.E-
+
+42.2e+
+42.2e-
+42.2E+
+42.2E-
+
+42.2e+f32
+42.2e-f32
+42.2E+f32
+42.2E-f32
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_exponent.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_exponent.txt
new file mode 100644
index 000000000..af03d73ce
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_exponent.txt
@@ -0,0 +1,48 @@
+FLOAT_NUMBER "0e" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "0E" error: Missing digits after the exponent symbol
+WHITESPACE "\n\n"
+FLOAT_NUMBER "42e+" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42e-" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42E+" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42E-" error: Missing digits after the exponent symbol
+WHITESPACE "\n\n"
+INT_NUMBER "42"
+DOT "."
+IDENT "e"
+PLUS "+"
+WHITESPACE "\n"
+INT_NUMBER "42"
+DOT "."
+IDENT "e"
+MINUS "-"
+WHITESPACE "\n"
+INT_NUMBER "42"
+DOT "."
+IDENT "E"
+PLUS "+"
+WHITESPACE "\n"
+INT_NUMBER "42"
+DOT "."
+IDENT "E"
+MINUS "-"
+WHITESPACE "\n\n"
+FLOAT_NUMBER "42.2e+" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42.2e-" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42.2E+" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42.2E-" error: Missing digits after the exponent symbol
+WHITESPACE "\n\n"
+FLOAT_NUMBER "42.2e+f32" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42.2e-f32" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42.2E+f32" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
+FLOAT_NUMBER "42.2E-f32" error: Missing digits after the exponent symbol
+WHITESPACE "\n"
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_int.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_int.rast
new file mode 100644
index 000000000..7f7194f45
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_int.rast
@@ -0,0 +1,26 @@
+INT_NUMBER "0b" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0o" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0x" error: Missing digits after the integer base prefix
+WHITESPACE "\n\n"
+INT_NUMBER "0b_" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0o_" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0x_" error: Missing digits after the integer base prefix
+WHITESPACE "\n\n"
+INT_NUMBER "0bnoDigit" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0onoDigit" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0xnoDigit" error: Missing digits after the integer base prefix
+WHITESPACE "\n\n"
+INT_NUMBER "0xG" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0xg" error: Missing digits after the integer base prefix
+WHITESPACE "\n\n"
+INT_NUMBER "0x_g" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0x_G" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_int.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_int.rs
new file mode 100644
index 000000000..aa2a9fdca
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_int.rs
@@ -0,0 +1,17 @@
+0b
+0o
+0x
+
+0b_
+0o_
+0x_
+
+0bnoDigit
+0onoDigit
+0xnoDigit
+
+0xG
+0xg
+
+0x_g
+0x_G
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_int.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_int.txt
new file mode 100644
index 000000000..7f7194f45
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/empty_int.txt
@@ -0,0 +1,26 @@
+INT_NUMBER "0b" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0o" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0x" error: Missing digits after the integer base prefix
+WHITESPACE "\n\n"
+INT_NUMBER "0b_" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0o_" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0x_" error: Missing digits after the integer base prefix
+WHITESPACE "\n\n"
+INT_NUMBER "0bnoDigit" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0onoDigit" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0xnoDigit" error: Missing digits after the integer base prefix
+WHITESPACE "\n\n"
+INT_NUMBER "0xG" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0xg" error: Missing digits after the integer base prefix
+WHITESPACE "\n\n"
+INT_NUMBER "0x_g" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
+INT_NUMBER "0x_G" error: Missing digits after the integer base prefix
+WHITESPACE "\n"
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/lifetime_starts_with_a_number.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/lifetime_starts_with_a_number.rast
new file mode 100644
index 000000000..e919bf2a4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/lifetime_starts_with_a_number.rast
@@ -0,0 +1,4 @@
+LIFETIME_IDENT "'1" error: Lifetime name cannot start with a number
+WHITESPACE "\n"
+LIFETIME_IDENT "'1lifetime" error: Lifetime name cannot start with a number
+WHITESPACE "\n"
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/lifetime_starts_with_a_number.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/lifetime_starts_with_a_number.rs
new file mode 100644
index 000000000..a7698a404
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/lifetime_starts_with_a_number.rs
@@ -0,0 +1,2 @@
+'1
+'1lifetime
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/lifetime_starts_with_a_number.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/lifetime_starts_with_a_number.txt
new file mode 100644
index 000000000..e919bf2a4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/lifetime_starts_with_a_number.txt
@@ -0,0 +1,4 @@
+LIFETIME_IDENT "'1" error: Lifetime name cannot start with a number
+WHITESPACE "\n"
+LIFETIME_IDENT "'1lifetime" error: Lifetime name cannot start with a number
+WHITESPACE "\n"
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_at_eof.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_at_eof.rast
new file mode 100644
index 000000000..7d2c32976
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_at_eof.rast
@@ -0,0 +1 @@
+COMMENT "/*" error: Missing trailing `*/` symbols to terminate the block comment
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_at_eof.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_at_eof.rs
new file mode 100644
index 000000000..22e83649f
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_at_eof.rs
@@ -0,0 +1 @@
+/* \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_at_eof.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_at_eof.txt
new file mode 100644
index 000000000..7d2c32976
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_at_eof.txt
@@ -0,0 +1 @@
+COMMENT "/*" error: Missing trailing `*/` symbols to terminate the block comment
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_with_content.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_with_content.rast
new file mode 100644
index 000000000..227a20660
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_with_content.rast
@@ -0,0 +1 @@
+COMMENT "/* comment\n" error: Missing trailing `*/` symbols to terminate the block comment
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_with_content.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_with_content.rs
new file mode 100644
index 000000000..c45c2844d
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_with_content.rs
@@ -0,0 +1 @@
+/* comment
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_with_content.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_with_content.txt
new file mode 100644
index 000000000..227a20660
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_block_comment_with_content.txt
@@ -0,0 +1 @@
+COMMENT "/* comment\n" error: Missing trailing `*/` symbols to terminate the block comment
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_at_eof.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_at_eof.rast
new file mode 100644
index 000000000..36944dbb2
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_at_eof.rast
@@ -0,0 +1 @@
+BYTE "b'" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_at_eof.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_at_eof.rs
new file mode 100644
index 000000000..795dc7e25
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_at_eof.rs
@@ -0,0 +1 @@
+b' \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_at_eof.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_at_eof.txt
new file mode 100644
index 000000000..36944dbb2
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_at_eof.txt
@@ -0,0 +1 @@
+BYTE "b'" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_at_eof.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_at_eof.rast
new file mode 100644
index 000000000..534a3cadc
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_at_eof.rast
@@ -0,0 +1 @@
+BYTE_STRING "b\"" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_at_eof.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_at_eof.rs
new file mode 100644
index 000000000..36f4f4321
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_at_eof.rs
@@ -0,0 +1 @@
+b" \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_at_eof.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_at_eof.txt
new file mode 100644
index 000000000..534a3cadc
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_at_eof.txt
@@ -0,0 +1 @@
+BYTE_STRING "b\"" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ascii_escape.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ascii_escape.rast
new file mode 100644
index 000000000..03f61de9a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ascii_escape.rast
@@ -0,0 +1 @@
+BYTE_STRING "b\"\\x7f" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ascii_escape.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ascii_escape.rs
new file mode 100644
index 000000000..836c112c1
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ascii_escape.rs
@@ -0,0 +1 @@
+b"\x7f \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ascii_escape.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ascii_escape.txt
new file mode 100644
index 000000000..03f61de9a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ascii_escape.txt
@@ -0,0 +1 @@
+BYTE_STRING "b\"\\x7f" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ferris.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ferris.rast
new file mode 100644
index 000000000..e11d49d1e
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ferris.rast
@@ -0,0 +1 @@
+BYTE_STRING "b\"🦀" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ferris.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ferris.rs
new file mode 100644
index 000000000..3c23a0372
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ferris.rs
@@ -0,0 +1 @@
+b"🦀 \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ferris.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ferris.txt
new file mode 100644
index 000000000..e11d49d1e
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_ferris.txt
@@ -0,0 +1 @@
+BYTE_STRING "b\"🦀" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash.rast
new file mode 100644
index 000000000..4e374b120
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash.rast
@@ -0,0 +1 @@
+BYTE_STRING "b\"\\" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash.rs
new file mode 100644
index 000000000..cce661538
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash.rs
@@ -0,0 +1 @@
+b"\ \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash.txt
new file mode 100644
index 000000000..4e374b120
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash.txt
@@ -0,0 +1 @@
+BYTE_STRING "b\"\\" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_double_quote.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_double_quote.rast
new file mode 100644
index 000000000..ee1997586
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_double_quote.rast
@@ -0,0 +1 @@
+BYTE_STRING "b\"\\\"" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_double_quote.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_double_quote.rs
new file mode 100644
index 000000000..f2ff58ba9
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_double_quote.rs
@@ -0,0 +1 @@
+b"\" \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_double_quote.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_double_quote.txt
new file mode 100644
index 000000000..ee1997586
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_double_quote.txt
@@ -0,0 +1 @@
+BYTE_STRING "b\"\\\"" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_n.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_n.rast
new file mode 100644
index 000000000..b109d8629
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_n.rast
@@ -0,0 +1 @@
+BYTE_STRING "b\"\\n" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_n.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_n.rs
new file mode 100644
index 000000000..5e680aabb
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_n.rs
@@ -0,0 +1 @@
+b"\n \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_n.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_n.txt
new file mode 100644
index 000000000..b109d8629
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_slash_n.txt
@@ -0,0 +1 @@
+BYTE_STRING "b\"\\n" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_space.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_space.rast
new file mode 100644
index 000000000..eaca94fa4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_space.rast
@@ -0,0 +1 @@
+BYTE_STRING "b\" " error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_space.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_space.rs
new file mode 100644
index 000000000..d6898541e
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_space.rs
@@ -0,0 +1 @@
+b" \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_space.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_space.txt
new file mode 100644
index 000000000..eaca94fa4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_space.txt
@@ -0,0 +1 @@
+BYTE_STRING "b\" " error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_unicode_escape.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_unicode_escape.rast
new file mode 100644
index 000000000..3b79f48bc
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_unicode_escape.rast
@@ -0,0 +1 @@
+BYTE_STRING "b\"\\u{20AA}" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_unicode_escape.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_unicode_escape.rs
new file mode 100644
index 000000000..1c6df1d00
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_unicode_escape.rs
@@ -0,0 +1 @@
+b"\u{20AA} \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_unicode_escape.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_unicode_escape.txt
new file mode 100644
index 000000000..3b79f48bc
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_string_with_unicode_escape.txt
@@ -0,0 +1 @@
+BYTE_STRING "b\"\\u{20AA}" error: Missing trailing `"` symbol to terminate the byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ascii_escape.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ascii_escape.rast
new file mode 100644
index 000000000..5525376f4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ascii_escape.rast
@@ -0,0 +1 @@
+BYTE "b'\\x7f" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ascii_escape.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ascii_escape.rs
new file mode 100644
index 000000000..d146a8090
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ascii_escape.rs
@@ -0,0 +1 @@
+b'\x7f \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ascii_escape.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ascii_escape.txt
new file mode 100644
index 000000000..5525376f4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ascii_escape.txt
@@ -0,0 +1 @@
+BYTE "b'\\x7f" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ferris.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ferris.rast
new file mode 100644
index 000000000..e7a8be4f6
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ferris.rast
@@ -0,0 +1 @@
+BYTE "b'🦀" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ferris.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ferris.rs
new file mode 100644
index 000000000..c9230dc24
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ferris.rs
@@ -0,0 +1 @@
+b'🦀 \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ferris.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ferris.txt
new file mode 100644
index 000000000..e7a8be4f6
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_ferris.txt
@@ -0,0 +1 @@
+BYTE "b'🦀" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash.rast
new file mode 100644
index 000000000..d9937135a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash.rast
@@ -0,0 +1 @@
+BYTE "b'\\" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash.rs
new file mode 100644
index 000000000..abffa5037
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash.rs
@@ -0,0 +1 @@
+b'\ \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash.txt
new file mode 100644
index 000000000..d9937135a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash.txt
@@ -0,0 +1 @@
+BYTE "b'\\" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_n.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_n.rast
new file mode 100644
index 000000000..c408cdb2b
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_n.rast
@@ -0,0 +1 @@
+BYTE "b'\\n" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_n.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_n.rs
new file mode 100644
index 000000000..4f46836a9
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_n.rs
@@ -0,0 +1 @@
+b'\n \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_n.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_n.txt
new file mode 100644
index 000000000..c408cdb2b
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_n.txt
@@ -0,0 +1 @@
+BYTE "b'\\n" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_single_quote.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_single_quote.rast
new file mode 100644
index 000000000..b331f9560
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_single_quote.rast
@@ -0,0 +1 @@
+BYTE "b'\\'" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_single_quote.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_single_quote.rs
new file mode 100644
index 000000000..645b641ee
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_single_quote.rs
@@ -0,0 +1 @@
+b'\' \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_single_quote.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_single_quote.txt
new file mode 100644
index 000000000..b331f9560
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_slash_single_quote.txt
@@ -0,0 +1 @@
+BYTE "b'\\'" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_space.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_space.rast
new file mode 100644
index 000000000..80c0e1c00
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_space.rast
@@ -0,0 +1 @@
+BYTE "b' " error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_space.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_space.rs
new file mode 100644
index 000000000..93b7f9c87
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_space.rs
@@ -0,0 +1 @@
+b' \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_space.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_space.txt
new file mode 100644
index 000000000..80c0e1c00
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_space.txt
@@ -0,0 +1 @@
+BYTE "b' " error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_unicode_escape.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_unicode_escape.rast
new file mode 100644
index 000000000..e1c3dc141
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_unicode_escape.rast
@@ -0,0 +1 @@
+BYTE "b'\\u{20AA}" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_unicode_escape.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_unicode_escape.rs
new file mode 100644
index 000000000..a3dec7c25
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_unicode_escape.rs
@@ -0,0 +1 @@
+b'\u{20AA} \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_unicode_escape.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_unicode_escape.txt
new file mode 100644
index 000000000..e1c3dc141
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_byte_with_unicode_escape.txt
@@ -0,0 +1 @@
+BYTE "b'\\u{20AA}" error: Missing trailing `'` symbol to terminate the byte literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_at_eof.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_at_eof.rast
new file mode 100644
index 000000000..218c7a2d7
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_at_eof.rast
@@ -0,0 +1 @@
+CHAR "'" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_at_eof.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_at_eof.rs
new file mode 100644
index 000000000..ad2823b48
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_at_eof.rs
@@ -0,0 +1 @@
+' \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_at_eof.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_at_eof.txt
new file mode 100644
index 000000000..218c7a2d7
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_at_eof.txt
@@ -0,0 +1 @@
+CHAR "'" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ascii_escape.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ascii_escape.rast
new file mode 100644
index 000000000..a0d8e1b83
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ascii_escape.rast
@@ -0,0 +1 @@
+CHAR "'\\x7f" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ascii_escape.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ascii_escape.rs
new file mode 100644
index 000000000..cf74b4dad
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ascii_escape.rs
@@ -0,0 +1 @@
+'\x7f \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ascii_escape.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ascii_escape.txt
new file mode 100644
index 000000000..a0d8e1b83
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ascii_escape.txt
@@ -0,0 +1 @@
+CHAR "'\\x7f" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ferris.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ferris.rast
new file mode 100644
index 000000000..56f19cce0
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ferris.rast
@@ -0,0 +1 @@
+CHAR "'🦀" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ferris.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ferris.rs
new file mode 100644
index 000000000..e264a4152
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ferris.rs
@@ -0,0 +1 @@
+'🦀 \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ferris.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ferris.txt
new file mode 100644
index 000000000..56f19cce0
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_ferris.txt
@@ -0,0 +1 @@
+CHAR "'🦀" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash.rast
new file mode 100644
index 000000000..cfa0e0752
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash.rast
@@ -0,0 +1 @@
+CHAR "'\\" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash.rs
new file mode 100644
index 000000000..6ba258b10
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash.rs
@@ -0,0 +1 @@
+'\ \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash.txt
new file mode 100644
index 000000000..cfa0e0752
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash.txt
@@ -0,0 +1 @@
+CHAR "'\\" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_n.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_n.rast
new file mode 100644
index 000000000..6a42a4e22
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_n.rast
@@ -0,0 +1 @@
+CHAR "'\\n" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_n.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_n.rs
new file mode 100644
index 000000000..78bef7e3e
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_n.rs
@@ -0,0 +1 @@
+'\n \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_n.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_n.txt
new file mode 100644
index 000000000..6a42a4e22
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_n.txt
@@ -0,0 +1 @@
+CHAR "'\\n" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_single_quote.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_single_quote.rast
new file mode 100644
index 000000000..1275f6aa8
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_single_quote.rast
@@ -0,0 +1 @@
+CHAR "'\\'" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_single_quote.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_single_quote.rs
new file mode 100644
index 000000000..a0e722065
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_single_quote.rs
@@ -0,0 +1 @@
+'\' \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_single_quote.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_single_quote.txt
new file mode 100644
index 000000000..1275f6aa8
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_slash_single_quote.txt
@@ -0,0 +1 @@
+CHAR "'\\'" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_space.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_space.rast
new file mode 100644
index 000000000..746c425c4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_space.rast
@@ -0,0 +1 @@
+CHAR "' " error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_space.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_space.rs
new file mode 100644
index 000000000..309ecfe47
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_space.rs
@@ -0,0 +1 @@
+' \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_space.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_space.txt
new file mode 100644
index 000000000..746c425c4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_space.txt
@@ -0,0 +1 @@
+CHAR "' " error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_unicode_escape.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_unicode_escape.rast
new file mode 100644
index 000000000..9abd59098
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_unicode_escape.rast
@@ -0,0 +1 @@
+CHAR "'\\u{20AA}" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_unicode_escape.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_unicode_escape.rs
new file mode 100644
index 000000000..50be91f68
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_unicode_escape.rs
@@ -0,0 +1 @@
+'\u{20AA} \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_unicode_escape.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_unicode_escape.txt
new file mode 100644
index 000000000..9abd59098
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_char_with_unicode_escape.txt
@@ -0,0 +1 @@
+CHAR "'\\u{20AA}" error: Missing trailing `'` symbol to terminate the character literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_entirely.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_entirely.rast
new file mode 100644
index 000000000..15ce8905a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_entirely.rast
@@ -0,0 +1 @@
+COMMENT "/* /* /*\n" error: Missing trailing `*/` symbols to terminate the block comment
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_entirely.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_entirely.rs
new file mode 100644
index 000000000..3fcfc9660
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_entirely.rs
@@ -0,0 +1 @@
+/* /* /*
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_entirely.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_entirely.txt
new file mode 100644
index 000000000..15ce8905a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_entirely.txt
@@ -0,0 +1 @@
+COMMENT "/* /* /*\n" error: Missing trailing `*/` symbols to terminate the block comment
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_partially.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_partially.rast
new file mode 100644
index 000000000..e9b74ee7f
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_partially.rast
@@ -0,0 +1 @@
+COMMENT "/** /*! /* comment */ */\n" error: Missing trailing `*/` symbols to terminate the block comment
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_partially.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_partially.rs
new file mode 100644
index 000000000..26c898f01
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_partially.rs
@@ -0,0 +1 @@
+/** /*! /* comment */ */
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_partially.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_partially.txt
new file mode 100644
index 000000000..e9b74ee7f
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_nested_block_comment_partially.txt
@@ -0,0 +1 @@
+COMMENT "/** /*! /* comment */ */\n" error: Missing trailing `*/` symbols to terminate the block comment
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_at_eof.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_at_eof.rast
new file mode 100644
index 000000000..6ec1780c3
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_at_eof.rast
@@ -0,0 +1 @@
+BYTE_STRING "br##\"" error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_at_eof.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_at_eof.rs
new file mode 100644
index 000000000..ae5bae622
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_at_eof.rs
@@ -0,0 +1 @@
+br##" \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_at_eof.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_at_eof.txt
new file mode 100644
index 000000000..6ec1780c3
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_at_eof.txt
@@ -0,0 +1 @@
+BYTE_STRING "br##\"" error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ascii_escape.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ascii_escape.rast
new file mode 100644
index 000000000..d65f1bb2f
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ascii_escape.rast
@@ -0,0 +1 @@
+BYTE_STRING "br##\"\\x7f" error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ascii_escape.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ascii_escape.rs
new file mode 100644
index 000000000..d50270afe
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ascii_escape.rs
@@ -0,0 +1 @@
+br##"\x7f \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ascii_escape.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ascii_escape.txt
new file mode 100644
index 000000000..d65f1bb2f
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ascii_escape.txt
@@ -0,0 +1 @@
+BYTE_STRING "br##\"\\x7f" error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ferris.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ferris.rast
new file mode 100644
index 000000000..0f9e0a165
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ferris.rast
@@ -0,0 +1 @@
+BYTE_STRING "br##\"🦀" error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ferris.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ferris.rs
new file mode 100644
index 000000000..9ef01207a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ferris.rs
@@ -0,0 +1 @@
+br##"🦀 \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ferris.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ferris.txt
new file mode 100644
index 000000000..0f9e0a165
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_ferris.txt
@@ -0,0 +1 @@
+BYTE_STRING "br##\"🦀" error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash.rast
new file mode 100644
index 000000000..202dcd2d4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash.rast
@@ -0,0 +1 @@
+BYTE_STRING "br##\"\\" error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash.rs
new file mode 100644
index 000000000..0b3c015d7
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash.rs
@@ -0,0 +1 @@
+br##"\ \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash.txt
new file mode 100644
index 000000000..202dcd2d4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash.txt
@@ -0,0 +1 @@
+BYTE_STRING "br##\"\\" error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash_n.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash_n.rast
new file mode 100644
index 000000000..d45485b52
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash_n.rast
@@ -0,0 +1 @@
+BYTE_STRING "br##\"\\n" error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash_n.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash_n.rs
new file mode 100644
index 000000000..0d8b0e7ab
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash_n.rs
@@ -0,0 +1 @@
+br##"\n \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash_n.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash_n.txt
new file mode 100644
index 000000000..d45485b52
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_slash_n.txt
@@ -0,0 +1 @@
+BYTE_STRING "br##\"\\n" error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_space.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_space.rast
new file mode 100644
index 000000000..1bfabbc3a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_space.rast
@@ -0,0 +1 @@
+BYTE_STRING "br##\" " error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_space.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_space.rs
new file mode 100644
index 000000000..14c602fd2
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_space.rs
@@ -0,0 +1 @@
+br##" \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_space.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_space.txt
new file mode 100644
index 000000000..1bfabbc3a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_space.txt
@@ -0,0 +1 @@
+BYTE_STRING "br##\" " error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_unicode_escape.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_unicode_escape.rast
new file mode 100644
index 000000000..104ab8aae
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_unicode_escape.rast
@@ -0,0 +1 @@
+BYTE_STRING "br##\"\\u{20AA}" error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_unicode_escape.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_unicode_escape.rs
new file mode 100644
index 000000000..90e299a1a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_unicode_escape.rs
@@ -0,0 +1 @@
+br##"\u{20AA} \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_unicode_escape.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_unicode_escape.txt
new file mode 100644
index 000000000..104ab8aae
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_byte_string_with_unicode_escape.txt
@@ -0,0 +1 @@
+BYTE_STRING "br##\"\\u{20AA}" error: Missing trailing `"` with `#` symbols to terminate the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_at_eof.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_at_eof.rast
new file mode 100644
index 000000000..71b20fd19
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_at_eof.rast
@@ -0,0 +1 @@
+STRING "r##\"" error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_at_eof.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_at_eof.rs
new file mode 100644
index 000000000..557c59b62
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_at_eof.rs
@@ -0,0 +1 @@
+r##" \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_at_eof.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_at_eof.txt
new file mode 100644
index 000000000..71b20fd19
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_at_eof.txt
@@ -0,0 +1 @@
+STRING "r##\"" error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ascii_escape.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ascii_escape.rast
new file mode 100644
index 000000000..dc106dd24
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ascii_escape.rast
@@ -0,0 +1 @@
+STRING "r##\"\\x7f" error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ascii_escape.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ascii_escape.rs
new file mode 100644
index 000000000..5bec883dc
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ascii_escape.rs
@@ -0,0 +1 @@
+r##"\x7f \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ascii_escape.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ascii_escape.txt
new file mode 100644
index 000000000..dc106dd24
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ascii_escape.txt
@@ -0,0 +1 @@
+STRING "r##\"\\x7f" error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ferris.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ferris.rast
new file mode 100644
index 000000000..30ee029f6
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ferris.rast
@@ -0,0 +1 @@
+STRING "r##\"🦀" error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ferris.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ferris.rs
new file mode 100644
index 000000000..bd046e4bb
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ferris.rs
@@ -0,0 +1 @@
+r##"🦀 \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ferris.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ferris.txt
new file mode 100644
index 000000000..30ee029f6
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_ferris.txt
@@ -0,0 +1 @@
+STRING "r##\"🦀" error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash.rast
new file mode 100644
index 000000000..8a6f6cc43
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash.rast
@@ -0,0 +1 @@
+STRING "r##\"\\" error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash.rs
new file mode 100644
index 000000000..9242077b8
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash.rs
@@ -0,0 +1 @@
+r##"\ \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash.txt
new file mode 100644
index 000000000..8a6f6cc43
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash.txt
@@ -0,0 +1 @@
+STRING "r##\"\\" error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash_n.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash_n.rast
new file mode 100644
index 000000000..f46eff251
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash_n.rast
@@ -0,0 +1 @@
+STRING "r##\"\\n" error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash_n.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash_n.rs
new file mode 100644
index 000000000..db1c16f2b
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash_n.rs
@@ -0,0 +1 @@
+r##"\n \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash_n.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash_n.txt
new file mode 100644
index 000000000..f46eff251
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_slash_n.txt
@@ -0,0 +1 @@
+STRING "r##\"\\n" error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_space.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_space.rast
new file mode 100644
index 000000000..49b6afea4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_space.rast
@@ -0,0 +1 @@
+STRING "r##\" " error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_space.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_space.rs
new file mode 100644
index 000000000..f104bae4f
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_space.rs
@@ -0,0 +1 @@
+r##" \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_space.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_space.txt
new file mode 100644
index 000000000..49b6afea4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_space.txt
@@ -0,0 +1 @@
+STRING "r##\" " error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_unicode_escape.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_unicode_escape.rast
new file mode 100644
index 000000000..d10d6d8e8
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_unicode_escape.rast
@@ -0,0 +1 @@
+STRING "r##\"\\u{20AA}" error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_unicode_escape.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_unicode_escape.rs
new file mode 100644
index 000000000..bf05c3913
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_unicode_escape.rs
@@ -0,0 +1 @@
+r##"\u{20AA} \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_unicode_escape.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_unicode_escape.txt
new file mode 100644
index 000000000..d10d6d8e8
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_raw_string_with_unicode_escape.txt
@@ -0,0 +1 @@
+STRING "r##\"\\u{20AA}" error: Missing trailing `"` with `#` symbols to terminate the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_at_eof.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_at_eof.rast
new file mode 100644
index 000000000..3b89ce0ca
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_at_eof.rast
@@ -0,0 +1 @@
+STRING "\"" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_at_eof.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_at_eof.rs
new file mode 100644
index 000000000..9d68933c4
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_at_eof.rs
@@ -0,0 +1 @@
+" \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_at_eof.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_at_eof.txt
new file mode 100644
index 000000000..3b89ce0ca
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_at_eof.txt
@@ -0,0 +1 @@
+STRING "\"" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ascii_escape.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ascii_escape.rast
new file mode 100644
index 000000000..6694cf17a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ascii_escape.rast
@@ -0,0 +1 @@
+STRING "\"\\x7f" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ascii_escape.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ascii_escape.rs
new file mode 100644
index 000000000..56186a344
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ascii_escape.rs
@@ -0,0 +1 @@
+"\x7f \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ascii_escape.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ascii_escape.txt
new file mode 100644
index 000000000..6694cf17a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ascii_escape.txt
@@ -0,0 +1 @@
+STRING "\"\\x7f" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ferris.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ferris.rast
new file mode 100644
index 000000000..5f4501c18
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ferris.rast
@@ -0,0 +1 @@
+STRING "\"🦀" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ferris.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ferris.rs
new file mode 100644
index 000000000..d439b8d2a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ferris.rs
@@ -0,0 +1 @@
+"🦀 \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ferris.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ferris.txt
new file mode 100644
index 000000000..5f4501c18
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_ferris.txt
@@ -0,0 +1 @@
+STRING "\"🦀" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash.rast
new file mode 100644
index 000000000..a8ac565ac
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash.rast
@@ -0,0 +1 @@
+STRING "\"\\" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash.rs
new file mode 100644
index 000000000..00a258400
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash.rs
@@ -0,0 +1 @@
+"\ \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash.txt
new file mode 100644
index 000000000..a8ac565ac
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash.txt
@@ -0,0 +1 @@
+STRING "\"\\" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_double_quote.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_double_quote.rast
new file mode 100644
index 000000000..919183b91
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_double_quote.rast
@@ -0,0 +1 @@
+STRING "\"\\\"" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_double_quote.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_double_quote.rs
new file mode 100644
index 000000000..403c2d6dd
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_double_quote.rs
@@ -0,0 +1 @@
+"\" \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_double_quote.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_double_quote.txt
new file mode 100644
index 000000000..919183b91
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_double_quote.txt
@@ -0,0 +1 @@
+STRING "\"\\\"" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_n.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_n.rast
new file mode 100644
index 000000000..39e288af9
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_n.rast
@@ -0,0 +1 @@
+STRING "\"\\n" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_n.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_n.rs
new file mode 100644
index 000000000..a0c29b8cf
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_n.rs
@@ -0,0 +1 @@
+"\n \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_n.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_n.txt
new file mode 100644
index 000000000..39e288af9
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_slash_n.txt
@@ -0,0 +1 @@
+STRING "\"\\n" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_space.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_space.rast
new file mode 100644
index 000000000..dcff94d7e
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_space.rast
@@ -0,0 +1 @@
+STRING "\" " error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_space.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_space.rs
new file mode 100644
index 000000000..72cdc841f
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_space.rs
@@ -0,0 +1 @@
+" \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_space.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_space.txt
new file mode 100644
index 000000000..dcff94d7e
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_space.txt
@@ -0,0 +1 @@
+STRING "\" " error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_unicode_escape.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_unicode_escape.rast
new file mode 100644
index 000000000..ac232b530
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_unicode_escape.rast
@@ -0,0 +1 @@
+STRING "\"\\u{20AA}" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_unicode_escape.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_unicode_escape.rs
new file mode 100644
index 000000000..ed24095c3
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_unicode_escape.rs
@@ -0,0 +1 @@
+"\u{20AA} \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_unicode_escape.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_unicode_escape.txt
new file mode 100644
index 000000000..ac232b530
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unclosed_string_with_unicode_escape.txt
@@ -0,0 +1 @@
+STRING "\"\\u{20AA}" error: Missing trailing `"` symbol to terminate the string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_at_eof.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_at_eof.rast
new file mode 100644
index 000000000..cf942c92f
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_at_eof.rast
@@ -0,0 +1 @@
+BYTE_STRING "br##" error: Missing `"` symbol after `#` symbols to begin the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_at_eof.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_at_eof.rs
new file mode 100644
index 000000000..7e8cadf4f
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_at_eof.rs
@@ -0,0 +1 @@
+br## \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_at_eof.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_at_eof.txt
new file mode 100644
index 000000000..cf942c92f
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_at_eof.txt
@@ -0,0 +1 @@
+BYTE_STRING "br##" error: Missing `"` symbol after `#` symbols to begin the raw byte string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_with_ascii.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_with_ascii.rast
new file mode 100644
index 000000000..042769c27
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_with_ascii.rast
@@ -0,0 +1,9 @@
+BYTE_STRING "br## " error: Missing `"` symbol after `#` symbols to begin the raw byte string literal
+IDENT "I"
+WHITESPACE " "
+IDENT "lack"
+WHITESPACE " "
+IDENT "a"
+WHITESPACE " "
+IDENT "quote"
+BANG "!"
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_with_ascii.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_with_ascii.rs
new file mode 100644
index 000000000..d9b55455a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_with_ascii.rs
@@ -0,0 +1 @@
+br## I lack a quote! \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_with_ascii.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_with_ascii.txt
new file mode 100644
index 000000000..042769c27
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_byte_string_with_ascii.txt
@@ -0,0 +1,9 @@
+BYTE_STRING "br## " error: Missing `"` symbol after `#` symbols to begin the raw byte string literal
+IDENT "I"
+WHITESPACE " "
+IDENT "lack"
+WHITESPACE " "
+IDENT "a"
+WHITESPACE " "
+IDENT "quote"
+BANG "!"
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_at_eof.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_at_eof.rast
new file mode 100644
index 000000000..2f7c7529a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_at_eof.rast
@@ -0,0 +1 @@
+STRING "r##" error: Missing `"` symbol after `#` symbols to begin the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_at_eof.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_at_eof.rs
new file mode 100644
index 000000000..eddf8d080
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_at_eof.rs
@@ -0,0 +1 @@
+r## \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_at_eof.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_at_eof.txt
new file mode 100644
index 000000000..2f7c7529a
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_at_eof.txt
@@ -0,0 +1 @@
+STRING "r##" error: Missing `"` symbol after `#` symbols to begin the raw string literal
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_with_ascii.rast b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_with_ascii.rast
new file mode 100644
index 000000000..4a06b0abe
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_with_ascii.rast
@@ -0,0 +1,9 @@
+STRING "r## " error: Missing `"` symbol after `#` symbols to begin the raw string literal
+IDENT "I"
+WHITESPACE " "
+IDENT "lack"
+WHITESPACE " "
+IDENT "a"
+WHITESPACE " "
+IDENT "quote"
+BANG "!"
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_with_ascii.rs b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_with_ascii.rs
new file mode 100644
index 000000000..534668a9b
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_with_ascii.rs
@@ -0,0 +1 @@
+r## I lack a quote! \ No newline at end of file
diff --git a/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_with_ascii.txt b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_with_ascii.txt
new file mode 100644
index 000000000..4a06b0abe
--- /dev/null
+++ b/src/tools/rust-analyzer/crates/parser/test_data/lexer/err/unstarted_raw_string_with_ascii.txt
@@ -0,0 +1,9 @@
+STRING "r## " error: Missing `"` symbol after `#` symbols to begin the raw string literal
+IDENT "I"
+WHITESPACE " "
+IDENT "lack"
+WHITESPACE " "
+IDENT "a"
+WHITESPACE " "
+IDENT "quote"
+BANG "!"