llvm-capstone/macro_paste_hashhash.c at e71759103e72dae502775ce97c97c3d2bd3ef8c2 - llvm-capstone - Gitea: Git with a cup of tea

Magic-Mirror/llvm-capstone

mirror of https://github.com/capstone-engine/llvm-capstone.git synced 2024-12-08 06:38:02 +00:00

Argyrios Kyrtzidis e245aa2a93 When expanding macro arguments, treat '##' coming from an argument as a normal token.

e.g.

#define M(x) A x B
M(##) // should expand to 'A ## B', not 'AB'

llvm-svn: 134588

2011-07-07 03:40:37 +00:00

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 // RUN: %clang_cc1 -E %s | FileCheck %s
 #define hash_hash # ## #
 #define mkstr(a) # a
 #define in_between(a) mkstr(a)
 #define join(c, d) in_between(c hash_hash d)
 // CHECK: "x ## y";
 join(x, y);
 #define FOO(x) A x B
 // CHECK: A ## B;
 FOO(##);