Commit 3b09262c12
Changed files (1)
lib
std
lib/std/zig/tokenizer.zig
@@ -772,6 +772,10 @@ pub const Tokenizer = struct {
},
.char_literal_unicode_escape_saw_u => switch (c) {
+ 0 => {
+ result.tag = .invalid;
+ break;
+ },
'{' => {
state = .char_literal_unicode_escape;
},
@@ -782,6 +786,10 @@ pub const Tokenizer = struct {
},
.char_literal_unicode_escape => switch (c) {
+ 0 => {
+ result.tag = .invalid;
+ break;
+ },
'0'...'9', 'a'...'f', 'A'...'F' => {},
'}' => {
state = .char_literal_end; // too many/few digits handled later
@@ -1922,8 +1930,10 @@ test "tokenizer - invalid builtin identifiers" {
try testTokenize("@0()", &.{ .invalid, .integer_literal, .l_paren, .r_paren });
}
-test "tokenizer - backslash before eof in string literal" {
+test "tokenizer - invalid token with unfinished escape right before eof" {
try testTokenize("\"\\", &.{.invalid});
+ try testTokenize("'\\", &.{.invalid});
+ try testTokenize("'\\u", &.{.invalid});
}
fn testTokenize(source: [:0]const u8, expected_tokens: []const Token.Tag) !void {