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Prefer compound statements to lambdas

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Compound statements produce better error messages.
This commit is contained in:
Kp 2014-07-31 02:44:14 +00:00
parent 2550f635a9
commit ecc49d0a11
1 changed files with 18 additions and 4 deletions
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22
SConstruct
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@ -274,10 +274,6 @@ void b(){
context.sconf.Define('__attribute_error(M)', '__attribute__((__error__(M)))')
else:
context.sconf.Define('__attribute_error(M)', self.comment_not_supported)
context.sconf.Define('DXX_ALWAYS_ERROR_FUNCTION(F,S)', r'([]() { \
void F() __attribute_error(S); \
F(); \
}())')
@_custom_test
def check_builtin_constant_p(self,context):
"""
@ -317,6 +313,24 @@ int main(int argc, char **argv){
self.Link(context, text=f % 'a()', msg='whether compiler optimizes __builtin_object_size'):
context.sconf.Define('DXX_HAVE_BUILTIN_OBJECT_SIZE')
@_custom_test
def check_embedded_compound_statement(self,context):
f = '''
int main(int, char **);
int main(int, char **){
return ({ 1 + 2; });
}
'''
if self.Compile(context, text=f, msg='whether compiler understands embedded compound statements'):
context.sconf.Define('DXX_BEGIN_COMPOUND_STATEMENT', '')
context.sconf.Define('DXX_END_COMPOUND_STATEMENT', '')
else:
context.sconf.Define('DXX_BEGIN_COMPOUND_STATEMENT', '[&]')
context.sconf.Define('DXX_END_COMPOUND_STATEMENT', '()')
context.sconf.Define('DXX_ALWAYS_ERROR_FUNCTION(F,S)', r'( DXX_BEGIN_COMPOUND_STATEMENT { \
void F() __attribute_error(S); \
F(); \
} DXX_END_COMPOUND_STATEMENT )')
@_custom_test
def check_attribute_alloc_size(self,context):
"""
help:assume compiler supports __attribute__((alloc_size))