On 05/24/2016 05:21 PM, Larry Evans via cfe-users wrote:
On 05/24/2016 04:09 PM, Richard Trieu via cfe-users wrote:
Hi Larry,
Right now, the template type diffing only works when there are two
templated types in the diagnostics message, and the templated types
share the same base. It your first example, the two types are
vector<double> and vector<float>.
In the second error message, only one type is printed with the
diagnostic message. This does not trigger the template type diffing.
The first message is "no member named 'size' in <<very long type name>>"
and the second message is "in instantiation of function template
specialization <<long type name>> requested here"
Richard
Thanks Richard.
That's too bad. It finally dawned on me that I might could use
clang-format on the part of the error message I wanted indented.
It worked:
OOPS. I was very mistaken. I jumped to the conclusion based
on only a brief look at the output which only seemed to
show tree-like indentation. When I tried using
clang-format on the templed test.cpp, it showed no tree like output :(
I guess I could make a feature request for this type of tree-link
output in the clang diagnostic, a feature which I've wanted for
several years and I think would help people better understand
complicated template diagnostics.
Sorry for noise.
~/prog_dev/clang/libcxx/sandbox/libs/gram_stk/sandbox $ head test.cpp
texpressions<my_symbols>::gram_defs<my_attrs,
composite_storage::type_sequence<texpressions<my_symbols>::gram_def1<my_symbols<symb_kinds::varble_kind>::syms::varble0,
def_ops::def_act, composite_storage::top (),
var_ptr_bool::var_ptr_yes,
texpressions<my_symbols>::gram_expr<op_assoc<ops_non_nullary::op_bitor,
associativity::assoc_left>,
texpressions<my_symbols>::gram_expr<texpressions<my_symbols>::op_symb<symb_kinds::literl_kind,
my_symbols<symb_kinds::literl_kind>::syms::literl0>>,
texpressions<my_symbols>::gram_expr<op_assoc<ops_non_nullary::op_bitand,
associativity::assoc_left>,
texpressions<my_symbols>::gram_expr<texpressions<my_symbols>::op_symb<symb_kinds::literl_kind,
my_symbols<symb_kinds::literl_kind>::syms::literl1>>,
texpressions<my_symbols>::gram_expr<texpressions<my_symbols>::op_symb<symb_kinds::literl_kind,
~/prog_dev/clang/libcxx/sandbox/libs/gram_stk/sandbox $ clang-format
test.cpp|head
Can't find usable .clang-format, using LLVM style
texpressions<my_symbols>::gram_defs<
my_attrs,
composite_storage::type_sequence<texpressions<my_symbols>::gram_def1<
my_symbols<symb_kinds::varble_kind>::syms::varble0,
def_ops::def_act,
composite_storage::top(), var_ptr_bool::var_ptr_yes,
texpressions<my_symbols>::gram_expr<
op_assoc<ops_non_nullary::op_bitor,
associativity::assoc_left>,
texpressions<my_symbols>::gram_expr<
texpressions<my_symbols>::op_symb<
~/prog_dev/clang/libcxx/sandbox/libs/gram_stk/sandbox $
Hope that helps others which have similar problem deciphering
error messages ;)
-regards,
Larry
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