clang/test/ClangScanDeps/modules-minimize-extension.c

   1 // RUN: rm -rf %t
   2 // RUN: split-file %s %t
   3
   4 // This test checks that source files with uncommon extensions still undergo
   5 // dependency directives scan. If header.pch would not and b.h would, the scan
   6 // would fail when parsing `void function(B)` and not knowing the symbol B.
   7
   8 //--- module.modulemap
   9 module __PCH { header "header.pch" }
  10 module B { header "b.h" }
  11
  12 //--- header.pch
  13 #include "b.h"
  14 void function(B);
  15
  16 //--- b.h
  17 typedef int B;
  18
  19 //--- tu.c
  20 int main() {
  21   function(0);
  22   return 0;
  23 }
  24
  25 //--- cdb.json.in
  26 [{
  27   "directory": "DIR",
  28   "file": "DIR/tu.c",
  29   "command": "clang -c DIR/tu.c -fmodules -fmodules-cache-path=DIR/cache -fimplicit-module-maps -include DIR/header.pch"
  30 }]
  31
  32 // RUN: sed -e "s|DIR|%/t|g" %t/cdb.json.in > %t/cdb.json
  33 // RUN: clang-scan-deps -compilation-database %t/cdb.json -format experimental-full > %t/deps.json