sneeker
53ac3ffb4c
Targets carry sources, includes, flags and uses; rule instances carry resolved inputs and outputs. This is the shape every later stage consumes.
82 lines
1.8 KiB
OCaml
82 lines
1.8 KiB
OCaml
type lang = C | Cxx | Asm
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type tkind = Lib | Shared | Bin | Test
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let kind_name = function Lib -> "lib" | Shared -> "shared" | Bin -> "bin" | Test -> "test"
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type target = {
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name : string;
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kind : tkind;
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dir : string;
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srcs : string list;
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gen_srcs : string list;
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includes : string list;
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uses : string list;
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cflags : string list;
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cxxflags : string list;
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ldflags : string list;
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defines : string list;
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pkgs : string list;
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install : string option;
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soname : string option;
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args : string list;
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span : Span.t;
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}
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type rule = {
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rname : string;
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rin : string list;
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routs : string list;
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rcmd : string list;
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rdesc : string;
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rspan : Span.t;
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}
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type toolchain = {
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cc : string;
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cxx : string;
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ar : string;
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ranlib : string;
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cflags : string list;
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cxxflags : string list;
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ldflags : string list;
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builddir : string;
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}
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type install_item = { from : string; dest : string }
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type define = { dname : string; dvalue : string option }
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type project = {
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pname : string;
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tc : toolchain;
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targets : target list;
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rules : rule list;
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defines : define list;
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config_header : string option;
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installs : install_item list;
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prefix : string;
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platform : string;
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}
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let find p name = List.find_opt (fun t -> t.name = name) p.targets
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let rec deps_of p t =
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List.concat_map
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(fun u -> match find p u with None -> [] | Some x -> deps_of p x @ [ x ])
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t.uses
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let uniq_targets ts =
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let seen = Hashtbl.create 8 in
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List.filter (fun t -> if Hashtbl.mem seen t.name then false else (Hashtbl.add seen t.name (); true)) ts
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let order p ts = uniq_targets (List.concat_map (fun t -> deps_of p t @ [ t ]) ts)
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let lang_of path =
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match String.lowercase_ascii (Filename.extension path) with
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| ".cc" | ".cpp" | ".cxx" | ".c++" | ".mm" -> Cxx
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| ".s" | ".asm" -> Asm
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| _ -> C
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let all_srcs t = t.srcs @ t.gen_srcs
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