[cfe-commits] r163022 - in /cfe/trunk: include/clang/Lex/Token.h lib/Lex/PPMacroExpansion.cpp lib/Lex/TokenLexer.cpp test/Preprocessor/microsoft-ext.c
João Matos
ripzonetriton at gmail.com
Wed Dec 12 17:17:36 PST 2012
On Thu, Dec 13, 2012 at 12:48 AM, Will Wilson <will at indefiant.com> wrote:
> Thanks for the info Joåo. Do you think it'll be a lot of work to get to
> get it working against the test case?
It does not seem too hard if you understand the preprocessor code and
concepts.
By the way, the original test case I added is wrong, as Nico pointed out
earlier.
If someone wants to work on it, this is one test case that shows the
problem:
# define M3(x, y, z) x + y + z
# define M2(x, y) M3(x, y)
# define P(x, y) {x, y}
# define M(x, y) M2(x, P(x, y))
M(a, b)
cl.exe preprocessor:
pp.c(24) : warning C4003: not enough actual parameters for macro 'M3'
a + {a, b} +
clang.exe preprocessor:
a + {a + b}
--
João Matos
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