xref: /aosp_15_r20/external/angle/third_party/clspv/gn/llvm/tablegen/clang_tablegen.gni (revision 8975f5c5ed3d1c378011245431ada316dfb6f244) 
1# Modified `clang/cutils/TableGen/clang_tablegen.gni` to suit the clspv build
2# structure.
3
4import("//build_overrides/clspv.gni")
5
6# This file introduces a template for running clang-tblgen.
7#
8# Parameters:
9#
10#   args (required)
11#       [list of strings] Flags to pass to clang-tblgen.
12#
13#   output_name (optional)
14#       Basename of the generated output file.
15#       Defaults to target name with ".inc" appended.
16#
17#   td_file (optional)
18#       The .td file to pass to llvm-tblgen.
19#       Defaults to target name with ".td" appended.
20#
21#   visibility (optional)
22#       GN's regular visibility attribute, see `gn help visibility`.
23#
24# Example of usage:
25#
26#   clang_tablegen("DiagnosticGroups") {
27#     args = [ "-gen-clang-diag-groups" ]
28#     td_file = "Diagnostic.td"
29#   }
30
31import("tablegen.gni")
32
33template("clang_tablegen") {
34  tablegen(target_name) {
35    forward_variables_from(invoker,
36                           [
37                             "output_path",
38                             "output_name",
39                             "td_file",
40                             "visibility",
41                           ])
42
43    args = [
44             "-I",
45             rebase_path("//$clspv_llvm_dir/clang/include", root_build_dir),
46           ] + invoker.args
47    tblgen_target = "../tools:clspv-tool-clang-tblgen"
48  }
49}
50