diff options
Diffstat (limited to 'parse.y')
-rw-r--r-- | parse.y | 17 |
1 files changed, 8 insertions, 9 deletions
@@ -5661,20 +5661,20 @@ parser_tokadd_codepoint(struct parser_params *parser, rb_encoding **encp, int regexp_literal, int wide) { size_t numlen; - int codepoint = scan_hex(lex_p, wide ? 6 : 4, &numlen); + int codepoint = scan_hex(lex_p, wide ? lex_pend - lex_p : 4, &numlen); literal_flush(lex_p); lex_p += numlen; - if (wide ? (numlen == 0) : (numlen < 4)) { + if (wide ? (numlen == 0 || numlen > 6) : (numlen < 4)) { yyerror("invalid Unicode escape"); - return FALSE; + return wide && numlen > 0; } if (codepoint > 0x10ffff) { yyerror("invalid Unicode codepoint (too large)"); - return FALSE; + return wide; } if ((codepoint & 0xfffff800) == 0xd800) { yyerror("invalid Unicode codepoint"); - return FALSE; + return wide; } if (regexp_literal) { tokcopy((int)numlen); @@ -5687,7 +5687,7 @@ parser_tokadd_codepoint(struct parser_params *parser, rb_encoding **encp, char *mesg = alloca(len); snprintf(mesg, len, mixed_utf8, rb_enc_name(*encp)); yyerror(mesg); - return TRUE; + return wide; } *encp = utf8; tokaddmbc(codepoint, *encp); @@ -5718,7 +5718,7 @@ parser_tokadd_utf8(struct parser_params *parser, rb_encoding **encp, int c, last = nextc(); if (lex_p >= lex_pend) goto unterminated; while (ISSPACE(c = *lex_p) && ++lex_p < lex_pend); - while (!string_literal || c != close_brace) { + do { if (regexp_literal) tokadd(last); if (!parser_tokadd_codepoint(parser, encp, regexp_literal, TRUE)) { break; @@ -5727,8 +5727,7 @@ parser_tokadd_utf8(struct parser_params *parser, rb_encoding **encp, if (++lex_p >= lex_pend) goto unterminated; last = c; } - if (!string_literal) break; - } + } while (c != close_brace); if (c != close_brace) { unterminated: |