#include int main() { #error This was inevitable... #if HELLO printf("hello, world\n"); return 0; #else abort(); #endif } /* This comment gets lexed along with the input above! We just don't CHECK it. RUN: clang-pseudo -source %s -print-directive-tree | FileCheck %s -check-prefix=PPT --strict-whitespace PPT: #include (7 tokens) PPT-NEXT: code (5 tokens) PPT-NEXT: #error (6 tokens) PPT-NEXT: #if (3 tokens) TAKEN PPT-NEXT: code (8 tokens) PPT-NEXT: #else (2 tokens) PPT-NEXT: code (4 tokens) PPT-NEXT: #endif (2 tokens) PPT-NEXT: code (2 tokens) ^ including this block comment RUN: clang-pseudo -source %s -strip-directives -print-source | FileCheck %s --strict-whitespace CHECK: int main() { CHECK-NEXT: printf("hello, world\n"); CHECK-NEXT: return 0; CHECK-NEXT: } RUN: clang-pseudo -source %s -strip-directives -print-tokens | FileCheck %s --check-prefix=TOKEN TOKEN: 0: raw_identifier 1:0 "int" flags=1 TOKEN-NEXT: raw_identifier 1:0 "main" TOKEN-NEXT: l_paren 1:0 "(" TOKEN-NEXT: r_paren 1:0 ")" TOKEN-NEXT: l_brace 1:0 "{" TOKEN-NEXT: raw_identifier 4:2 "printf" flags=1 TOKEN-NEXT: l_paren 4:2 "(" TOKEN-NEXT: string_literal 4:2 "\22hello, world\\n\22" TOKEN-NEXT: r_paren 4:2 ")" TOKEN-NEXT: semi 4:2 ";" TOKEN-NEXT: raw_identifier 5:2 "return" flags=1 TOKEN-NEXT: numeric_constant 5:2 "0" TOKEN-NEXT: semi 5:2 ";" TOKEN-NEXT: r_brace 9:0 "}" flags=1 *******************************************************************************/