{ "default-PROTOC":
  { "vars": ["defaults-transition"]
  , "imports": {"list_provider": ["./", "../..", "field_list_provider"]}
  , "expression":
    { "type": "let*"
    , "bindings":
      [ ["fieldname", "proto-defaults"]
      , ["provider", "PROTOC"]
      , ["transition", {"type": "var", "name": "defaults-transition"}]
      ]
    , "body": {"type": "CALL_EXPRESSION", "name": "list_provider"}
    }
  }
, "default-PROTOCFLAGS":
  { "vars": ["defaults-transition"]
  , "imports": {"list_provider": ["./", "../..", "field_list_provider"]}
  , "expression":
    { "type": "let*"
    , "bindings":
      [ ["fieldname", "proto-defaults"]
      , ["provider", "PROTOCFLAGS"]
      , ["transition", {"type": "var", "name": "defaults-transition"}]
      ]
    , "body": {"type": "CALL_EXPRESSION", "name": "list_provider"}
    }
  }
, "default-LDFLAGS":
  { "vars": ["defaults-transition"]
  , "imports": {"list_provider": ["./", "../..", "field_list_provider"]}
  , "expression":
    { "type": "let*"
    , "bindings":
      [ ["fieldname", "proto-defaults"]
      , ["provider", "LDFLAGS"]
      , ["transition", {"type": "var", "name": "defaults-transition"}]
      ]
    , "body": {"type": "CALL_EXPRESSION", "name": "list_provider"}
    }
  }
, "default-GRPC_PLUGIN":
  { "vars": ["defaults-transition"]
  , "imports": {"list_provider": ["./", "../..", "field_list_provider"]}
  , "expression":
    { "type": "let*"
    , "bindings":
      [ ["fieldname", "proto-defaults"]
      , ["provider", "GRPC_PLUGIN"]
      , ["transition", {"type": "var", "name": "defaults-transition"}]
      ]
    , "body": {"type": "CALL_EXPRESSION", "name": "list_provider"}
    }
  }
, "default-ENV":
  { "vars": ["defaults-transition"]
  , "imports": {"map_provider": ["./", "../..", "field_map_provider"]}
  , "expression":
    { "type": "let*"
    , "bindings":
      [ ["fieldname", "proto-defaults"]
      , ["provider", "ENV"]
      , ["transition", {"type": "var", "name": "defaults-transition"}]
      , ["default", {"type": "empty_map"}]
      ]
    , "body": {"type": "CALL_EXPRESSION", "name": "map_provider"}
    }
  }
, "default-PATH":
  { "vars": ["defaults-transition"]
  , "imports": {"list_provider": ["./", "../..", "field_list_provider"]}
  , "expression":
    { "type": "let*"
    , "bindings":
      [ ["fieldname", "proto-defaults"]
      , ["provider", "PATH"]
      , ["transition", {"type": "var", "name": "defaults-transition"}]
      ]
    , "body": {"type": "CALL_EXPRESSION", "name": "list_provider"}
    }
  }
, "default-TOOLCHAIN":
  { "vars": ["defaults-transition"]
  , "imports": {"map_provider": ["./", "../..", "field_map_provider"]}
  , "expression":
    { "type": "let*"
    , "bindings":
      [ ["fieldname", "proto-defaults"]
      , ["provider", "TOOLCHAIN"]
      , ["transition", {"type": "var", "name": "defaults-transition"}]
      , ["default", {"type": "empty_map"}]
      ]
    , "body": {"type": "CALL_EXPRESSION", "name": "map_provider"}
    }
  }
, "default-NON_SYSTEM_TOOLS":
  { "vars": ["defaults-transition"]
  , "expression":
    { "type": "map_union"
    , "$1":
      { "type": "foreach"
      , "var": "x"
      , "range": {"type": "FIELD", "name": "proto-defaults"}
      , "body":
        { "type": "DEP_PROVIDES"
        , "dep": {"type": "var", "name": "x"}
        , "provider": "NON_SYSTEM_TOOLS"
        , "transition":
          { "type": "var"
          , "name": "defaults-transition"
          , "default": {"type": "empty_map"}
          }
        , "default": {"type": "empty_map"}
        }
      }
    }
  }
, "protoc-deps":
  { "imports": {"map_provider": ["./", "../..", "field_map_provider"]}
  , "expression":
    { "type": "let*"
    , "bindings": [["fieldname", "deps"], ["provider", "protoc-deps"]]
    , "body": {"type": "CALL_EXPRESSION", "name": "map_provider"}
    }
  }
, "protoc-compile":
  { "vars":
    [ "CXX"
    , "CXXFLAGS"
    , "ADD_CXXFLAGS"
    , "AR"
    , "ENV"
    , "DEBUG"
    , "name"
    , "stage"
    , "service support"
    , "public-fieldnames"
    , "private-fieldnames"
    ]
  , "imports":
    { "stage": ["", "stage_singleton_field"]
    , "result": ["./", "..", "lib result"]
    , "runfiles": ["./", "../..", "field_runfiles"]
    , "artifacts_list": ["./", "../..", "field_artifacts_list"]
    , "protoc-deps": "protoc-deps"
    , "default-PROTOC": "default-PROTOC"
    , "default-PROTOCFLAGS": "default-PROTOCFLAGS"
    , "default-LDFLAGS": "default-LDFLAGS"
    , "default-GRPC_PLUGIN": "default-GRPC_PLUGIN"
    , "default-ENV": "default-ENV"
    , "default-PATH": "default-PATH"
    , "default-TOOLCHAIN": "default-TOOLCHAIN"
    , "default-NON_SYSTEM_TOOLS": "default-NON_SYSTEM_TOOLS"
    }
  , "expression":
    { "type": "let*"
    , "bindings":
      [ ["pure C", false]
      , ["TOOLCHAIN_DIR", "toolchain"]
      , ["TOOLCHAIN", {"type": "CALL_EXPRESSION", "name": "default-TOOLCHAIN"}]
      , [ "TOOLCHAIN"
        , { "type": "to_subdir"
          , "subdir": {"type": "var", "name": "TOOLCHAIN_DIR"}
          , "$1": {"type": "var", "name": "TOOLCHAIN"}
          }
        ]
      , [ "NON_SYSTEM_TOOLS"
        , {"type": "CALL_EXPRESSION", "name": "default-NON_SYSTEM_TOOLS"}
        ]
      , [ "PROTOC"
        , { "type": "join"
          , "$1":
            { "type": "++"
            , "$1":
              [ { "type": "if"
                , "cond":
                  { "type": "lookup"
                  , "key": "PROTOC"
                  , "map": {"type": "var", "name": "NON_SYSTEM_TOOLS"}
                  }
                , "then": ["./", {"type": "var", "name": "TOOLCHAIN_DIR"}, "/"]
                }
              , {"type": "CALL_EXPRESSION", "name": "default-PROTOC"}
              ]
            }
          }
        ]
      , [ "GRPC_PLUGIN"
        , { "type": "join"
          , "$1":
            { "type": "++"
            , "$1":
              [ { "type": "if"
                , "cond":
                  { "type": "lookup"
                  , "key": "GRPC_PLUGIN"
                  , "map": {"type": "var", "name": "NON_SYSTEM_TOOLS"}
                  }
                , "then": ["./", {"type": "var", "name": "TOOLCHAIN_DIR"}, "/"]
                }
              , {"type": "CALL_EXPRESSION", "name": "default-GRPC_PLUGIN"}
              ]
            }
          }
        ]
      , [ "ENV"
        , { "type": "map_union"
          , "$1":
            [ {"type": "CALL_EXPRESSION", "name": "default-ENV"}
            , {"type": "var", "name": "ENV", "default": {"type": "empty_map"}}
            ]
          }
        ]
      , [ "ENV_PATH"
        , { "type": "lookup"
          , "map": {"type": "var", "name": "ENV"}
          , "key": "PATH"
          }
        ]
      , [ "protoc-ENV"
        , { "type": "map_union"
          , "$1":
            [ {"type": "var", "name": "ENV"}
            , { "type": "singleton_map"
              , "key": "PATH"
              , "value":
                { "type": "join"
                , "separator": ":"
                , "$1":
                  { "type": "++"
                  , "$1":
                    [ {"type": "CALL_EXPRESSION", "name": "default-PATH"}
                    , { "type": "if"
                      , "cond": {"type": "var", "name": "ENV_PATH"}
                      , "then": [{"type": "var", "name": "ENV_PATH"}]
                      }
                    ]
                  }
                }
              }
            ]
          }
        ]
      , ["protoc-deps", {"type": "CALL_EXPRESSION", "name": "protoc-deps"}]
      , [ "proto srcs"
        , { "type": "disjoint_map_union"
          , "msg": "Sources may not conflict"
          , "$1":
            { "type": "let*"
            , "bindings": [["fieldname", "srcs"]]
            , "body": {"type": "CALL_EXPRESSION", "name": "artifacts_list"}
            }
          }
        ]
      , [ "all proto srcs"
        , { "type": "disjoint_map_union"
          , "msg": "Conflict with proto files of dependencies"
          , "$1":
            [ {"type": "var", "name": "protoc-deps"}
            , {"type": "var", "name": "proto srcs"}
            ]
          }
        ]
      , [ "staged srcs"
        , { "type": "to_subdir"
          , "subdir": "work"
          , "$1": {"type": "var", "name": "proto srcs"}
          }
        ]
      , [ "staged all proto srcs"
        , { "type": "to_subdir"
          , "subdir": "work"
          , "$1": {"type": "var", "name": "all proto srcs"}
          }
        ]
      , [ "outs"
        , { "type": "++"
          , "$1":
            { "type": "foreach"
            , "var": "f"
            , "range":
              {"type": "keys", "$1": {"type": "var", "name": "staged srcs"}}
            , "body":
              { "type": "++"
              , "$1":
                [ [ { "type": "change_ending"
                    , "$1": {"type": "var", "name": "f"}
                    , "ending": ".pb.h"
                    }
                  , { "type": "change_ending"
                    , "$1": {"type": "var", "name": "f"}
                    , "ending": ".pb.cc"
                    }
                  ]
                , { "type": "if"
                  , "cond": {"type": "var", "name": "service support"}
                  , "then":
                    [ { "type": "change_ending"
                      , "$1": {"type": "var", "name": "f"}
                      , "ending": ".grpc.pb.h"
                      }
                    , { "type": "change_ending"
                      , "$1": {"type": "var", "name": "f"}
                      , "ending": ".grpc.pb.cc"
                      }
                    ]
                  , "else": []
                  }
                ]
              }
            }
          }
        ]
      , [ "cmd"
        , { "type": "++"
          , "$1":
            [ [{"type": "var", "name": "PROTOC"}]
            , {"type": "CALL_EXPRESSION", "name": "default-PROTOCFLAGS"}
            , ["--proto_path=work", "--cpp_out=work"]
            , { "type": "if"
              , "cond": {"type": "var", "name": "service support"}
              , "then":
                [ "--grpc_out=work"
                , { "type": "join"
                  , "$1":
                    [ "--plugin=protoc-gen-grpc="
                    , {"type": "var", "name": "GRPC_PLUGIN"}
                    ]
                  }
                ]
              , "else": []
              }
            , {"type": "keys", "$1": {"type": "var", "name": "staged srcs"}}
            ]
          }
        ]
      , [ "generated"
        , { "type": "ACTION"
          , "inputs":
            { "type": "map_union"
            , "$1":
              [ {"type": "var", "name": "staged all proto srcs"}
              , {"type": "var", "name": "TOOLCHAIN"}
              ]
            }
          , "outs": {"type": "var", "name": "outs"}
          , "cmd": {"type": "var", "name": "cmd"}
          , "env": {"type": "var", "name": "protoc-ENV"}
          }
        ]
      , [ "srcs"
        , { "type": "map_union"
          , "$1":
            { "type": "foreach"
            , "var": "name"
            , "range":
              {"type": "keys", "$1": {"type": "var", "name": "proto srcs"}}
            , "body":
              { "type": "map_union"
              , "$1":
                [ { "type": "singleton_map"
                  , "key":
                    { "type": "change_ending"
                    , "$1": {"type": "var", "name": "name"}
                    , "ending": ".pb.cc"
                    }
                  , "value":
                    { "type": "lookup"
                    , "map": {"type": "var", "name": "generated"}
                    , "key":
                      { "type": "join"
                      , "$1":
                        [ "work/"
                        , { "type": "change_ending"
                          , "$1": {"type": "var", "name": "name"}
                          , "ending": ".pb.cc"
                          }
                        ]
                      }
                    }
                  }
                , { "type": "if"
                  , "cond": {"type": "var", "name": "service support"}
                  , "then":
                    { "type": "singleton_map"
                    , "key":
                      { "type": "change_ending"
                      , "$1": {"type": "var", "name": "name"}
                      , "ending": ".grpc.pb.cc"
                      }
                    , "value":
                      { "type": "lookup"
                      , "map": {"type": "var", "name": "generated"}
                      , "key":
                        { "type": "join"
                        , "$1":
                          [ "work/"
                          , { "type": "change_ending"
                            , "$1": {"type": "var", "name": "name"}
                            , "ending": ".grpc.pb.cc"
                            }
                          ]
                        }
                      }
                    }
                  , "else": {"type": "empty_map"}
                  }
                ]
              }
            }
          }
        ]
      , [ "hdrs"
        , { "type": "map_union"
          , "$1":
            { "type": "foreach"
            , "var": "name"
            , "range":
              {"type": "keys", "$1": {"type": "var", "name": "proto srcs"}}
            , "body":
              { "type": "map_union"
              , "$1":
                [ { "type": "singleton_map"
                  , "key":
                    { "type": "change_ending"
                    , "$1": {"type": "var", "name": "name"}
                    , "ending": ".pb.h"
                    }
                  , "value":
                    { "type": "lookup"
                    , "map": {"type": "var", "name": "generated"}
                    , "key":
                      { "type": "join"
                      , "$1":
                        [ "work/"
                        , { "type": "change_ending"
                          , "$1": {"type": "var", "name": "name"}
                          , "ending": ".pb.h"
                          }
                        ]
                      }
                    }
                  }
                , { "type": "if"
                  , "cond": {"type": "var", "name": "service support"}
                  , "then":
                    { "type": "singleton_map"
                    , "key":
                      { "type": "change_ending"
                      , "$1": {"type": "var", "name": "name"}
                      , "ending": ".grpc.pb.h"
                      }
                    , "value":
                      { "type": "lookup"
                      , "map": {"type": "var", "name": "generated"}
                      , "key":
                        { "type": "join"
                        , "$1":
                          [ "work/"
                          , { "type": "change_ending"
                            , "$1": {"type": "var", "name": "name"}
                            , "ending": ".grpc.pb.h"
                            }
                          ]
                        }
                      }
                    }
                  , "else": {"type": "empty_map"}
                  }
                ]
              }
            }
          }
        ]
      , ["private-hdrs", {"type": "empty_map"}]
      , [ "extra-provides"
        , { "type": "singleton_map"
          , "key": "protoc-deps"
          , "value": {"type": "var", "name": "all proto srcs"}
          }
        ]
      , ["cflags", []]
      , ["private-cflags", []]
      , [ "private-ldflags"
        , {"type": "CALL_EXPRESSION", "name": "default-LDFLAGS"}
        ]
      ]
    , "body": {"type": "CALL_EXPRESSION", "name": "result"}
    }
  }
}