diff options
Diffstat (limited to 'gcc/java/lex.c')
| -rw-r--r-- | gcc/java/lex.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/java/lex.c b/gcc/java/lex.c index 861b6eb..d221476 100644 --- a/gcc/java/lex.c +++ b/gcc/java/lex.c @@ -991,6 +991,7 @@ java_lex (java_lval) /* End borrowed section */ char literal_token [256]; int literal_index = 0, radix = 10, long_suffix = 0, overflow = 0, bytes; + int found_hex_digits = 0; int i; #ifndef JC1_LITE int number_beginning = ctxp->c_line->current; @@ -1060,6 +1061,10 @@ java_lex (java_lval) int numeric = (RANGE (c, '0', '9') ? c-'0' : 10 +(c|0x20)-'a'); int count; + /* Remember when we find a valid hexadecimal digit */ + if (radix == 16) + found_hex_digits = 1; + literal_token [literal_index++] = c; /* This section of code if borrowed from gcc/c-lex.c */ for (count = 0; count < TOTAL_PARTS; count++) @@ -1179,6 +1184,10 @@ java_lex (java_lval) } } /* JAVA_ASCCI_FPCHAR (c) */ + if (radix == 16 && ! found_hex_digits) + java_lex_error + ("0x must be followed by at least one hexadecimal digit", 0); + /* Here we get back to converting the integral literal. */ if (c == 'L' || c == 'l') long_suffix = 1; |