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byte literals

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This commit is contained in:
Aleksey Kladov
2018-08-23 20:04:13 +03:00
parent f3e1e6df42
commit ec70617564
3 changed files with 11 additions and 14 deletions
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16
crates/libsyntax2/src/lexer/strings.rs
View File

@@ -102,23 +102,11 @@ pub(crate) fn scan_raw_string(ptr: &mut Ptr) {
} }
fn scan_byte(ptr: &mut Ptr) { fn scan_byte(ptr: &mut Ptr) {
if ptr.next_is('\'') { scan_char(ptr)
ptr.bump();
return;
}
ptr.bump();
if ptr.next_is('\'') {
ptr.bump();
return;
}
} }
fn scan_byte_string(ptr: &mut Ptr) { fn scan_byte_string(ptr: &mut Ptr) {
while let Some(c) = ptr.bump() { scan_string(ptr)
if c == '"' {
return;
}
}
} }
fn scan_raw_byte_string(ptr: &mut Ptr) { fn scan_raw_byte_string(ptr: &mut Ptr) {

1
crates/libsyntax2/tests/data/lexer/0008_byte_strings.rs
View File

@@ -1,2 +1,3 @@
b'' b'x' b"foo" br"" b'' b'x' b"foo" br""
b''suf b""ix br""br b''suf b""ix br""br
b'\n' b'\\' b'\'' b'hello'

8
crates/libsyntax2/tests/data/lexer/0008_byte_strings.txt
View File

@@ -12,3 +12,11 @@ BYTE_STRING 5 "b\"\"ix"
WHITESPACE 1 " " WHITESPACE 1 " "
RAW_BYTE_STRING 6 "br\"\"br" RAW_BYTE_STRING 6 "br\"\"br"
WHITESPACE 1 "\n" WHITESPACE 1 "\n"
BYTE 5 "b\'\\n\'"
WHITESPACE 1 " "
BYTE 5 "b\'\\\\\'"
WHITESPACE 1 " "
BYTE 5 "b\'\\\'\'"
WHITESPACE 1 " "
BYTE 8 "b\'hello\'"
WHITESPACE 1 "\n"