diff options
Diffstat (limited to 'gcc/java/jvspec.c')
| -rw-r--r-- | gcc/java/jvspec.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc/java/jvspec.c b/gcc/java/jvspec.c index dba2ee6..5bb3e9d 100644 --- a/gcc/java/jvspec.c +++ b/gcc/java/jvspec.c @@ -46,6 +46,7 @@ The Free Software Foundation is independent of Sun Microsystems, Inc. */ #define RESOURCE_FILE_ARG (1<<7) static char *find_spec_file PARAMS ((const char *)); +static int verify_class_name PARAMS ((const char *)); static const char *main_class_name = NULL; int lang_specific_extra_outfiles = 0; @@ -98,6 +99,45 @@ find_spec_file (dir) return NULL; } +/* FIXME: these should come from lex.h. */ +#define JAVA_START_CHAR_P(c) (c < 128 && (ISIDST (c) || c == '$')) +#define JAVA_PART_CHAR_P(c) (c < 128 \ + && (ISIDNUM (c) \ + || c == '$' \ + || (c >= 0x00 && c <= 0x08) \ + || (c >= 0x0e && c <= 0x1b) \ + || c == 0x7f)) + +/* Verify that NAME is a valid Java class name that might contain + `main'. Return 0 on failure. */ +static int +verify_class_name (name) + const char *name; +{ + /* FIXME: what encoding do we use for command-line arguments? For + now we assume plain ASCII, which of course is wrong. */ + while (*name) + { + int ch = *name++; + if (ch < 0 || ! JAVA_START_CHAR_P (ch)) + return 0; + while (*name) + { + ch = *name++; + if (ch < 0) + return 0; + /* We found a break between class names. Next character + must be an identifier start again. */ + if (ch == '.') + break; + if (! JAVA_PART_CHAR_P (ch)) + return 0; + } + } + + return 1; +} + void lang_specific_driver (in_argc, in_argv, in_added_libraries) int *in_argc; @@ -383,6 +423,9 @@ lang_specific_driver (in_argc, in_argv, in_added_libraries) if (saw_D && ! main_class_name) fatal ("can't specify `-D' without `--main'\n"); + if (main_class_name && ! verify_class_name (main_class_name)) + fatal ("`%s' is not a valid class name", main_class_name); + num_args = argc + added; if (saw_R) { |