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[GDScript] Check string literals for Unicode direction control characters.

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This commit is contained in:
bruvzg
2021-11-11 15:41:59 +02:00
parent 9547d6d543
commit 74b9892f7a
1 changed files with 9 additions and 0 deletions
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9
modules/gdscript/gdscript_tokenizer.cpp
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@@ -795,6 +795,15 @@ GDScriptTokenizer::Token GDScriptTokenizer::string() {
char32_t ch = _peek();
if (ch == 0x200E || ch == 0x200F || (ch >= 0x202A && ch <= 0x202E) || (ch >= 0x2066 && ch <= 0x2069)) {
Token error = make_error("Invisible text direction control character present in the string, escape it (\"\\u" + String::num_int64(ch, 16) + "\") to avoid confusion.");
error.start_column = column;
error.leftmost_column = error.start_column;
error.end_column = column + 1;
error.rightmost_column = error.end_column;
push_error(error);
}
if (ch == '\\') {
// Escape pattern.
_advance();