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| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-01-07 14:00:48 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-12 10:05:31 -0500 |
| commit | 959bd8973bfcfced69715a522007662929ae6d48 (patch) | |
| tree | 18c00b9c8fde48546638c613e4db9d0fa84d06c6 /validation | |
| parent | 15cfba61d99668e9c14782779766f48834490ead (diff) | |
| download | sparse-dev-959bd8973bfcfced69715a522007662929ae6d48.tar.gz | |
switch to delayed handling of escape sequences
#define A(x) #x
A('\12')
should *not* yield "'\\n'"; the problem is that we are doing the conversion
too early.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'validation')
| -rw-r--r-- | validation/escapes.c | 17 | ||||
| -rw-r--r-- | validation/preprocessor/stringify.c | 29 |
2 files changed, 37 insertions, 9 deletions
diff --git a/validation/escapes.c b/validation/escapes.c index 13f8f9c8..4a1b030e 100644 --- a/validation/escapes.c +++ b/validation/escapes.c @@ -8,14 +8,13 @@ static int bad_e[] = { '\c', '\0123', '\789', '\xdefg' }; * check-name: Character escape sequences * * check-error-start -escapes.c:6:27: warning: Unknown escape 'c' -escapes.c:6:35: error: Bad character constant -escapes.c:6:38: error: Bad character constant -escapes.c:6:42: error: Bad character constant -escapes.c:6:46: error: Bad character constant -escapes.c:6:53: error: Bad character constant -escapes.c:6:56: error: Bad character constant -escapes.c:6:42: error: Expected } at end of initializer -escapes.c:6:42: error: got 89 +escapes.c:6:26: warning: Unknown escape 'c' +escapes.c:3:34: warning: hex escape sequence out of range +escapes.c:3:44: warning: hex escape sequence out of range +escapes.c:4:18: warning: hex escape sequence out of range +escapes.c:6:30: warning: multi-character character constant +escapes.c:6:39: warning: multi-character character constant +escapes.c:6:47: warning: hex escape sequence out of range +escapes.c:6:47: warning: multi-character character constant * check-error-end */ diff --git a/validation/preprocessor/stringify.c b/validation/preprocessor/stringify.c new file mode 100644 index 00000000..7fe965d5 --- /dev/null +++ b/validation/preprocessor/stringify.c @@ -0,0 +1,29 @@ +#define A(x) #x +A('a') +A("a") +A(a) +A(\n) +A('\n') +A("\n") +A('"') +A("a\nb") +A(L"a\nb") +A('\12') +/* + * check-name: Preprocessor #14 + * check-command: sparse -E $file + * + * check-output-start + +"'a'" +"\"a\"" +"a" +"\n" +"'\\n'" +"\"\\n\"" +"'\"'" +"\"a\\nb\"" +"L\"a\\nb\"" +"'\\12'" + * check-output-end + */ |