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{ "defaults":
{ "doc":
[ "A rule to provide defaults for foreign rules."
, "All foreign rules take their defaults for MAKE, CMAKE, etc from"
, "the target [\"CC/foreign\", \"defaults\"]."
]
, "target_fields": ["base", "toolchain"]
, "string_fields": ["MAKE", "CMAKE", "PATH", "SYSTEM_TOOLS"]
, "field_doc":
{ "base": ["Other targets (using the same rule) to inherit values from."]
, "toolchain":
[ "Optional toolchain directory. A collection of artifacts that provide"
, "the tools MAKE, CMAKE. Note that only artifacts of"
, "the specified targets are considered (no runfiles etc.). Specifying"
, "this field extends artifacts from \"base\"."
]
, "MAKE": ["The make binary to use"]
, "CMAKE": ["The cmake binary to use"]
, "SYSTEM_TOOLS":
[ "List of tools (\"MAKE\", \"CMAKE\") that should be taken from"
, "the system instead of from \"toolchain\" (if specified)."
]
, "PATH":
[ "Path for looking up the tools. Individual paths are joined with"
, "with \":\". Specifying this field extends values from \"base\"."
]
}
, "config_vars": ["ARCH", "HOST_ARCH"]
, "imports":
{ "base-provides": ["./", "..", "defaults-base-provides"]
, "base-provides-++": ["./", "..", "defaults-base-provides-++"]
, "base-provides-list": ["./", "..", "defaults-base-provides-list"]
, "artifacts_list": ["./", "../..", "field_artifacts_list"]
, "for host": ["transitions", "for host"]
}
, "config_transitions":
{"toolchain": [{"type": "CALL_EXPRESSION", "name": "for host"}]}
, "expression":
{ "type": "let*"
, "bindings":
[ ["MAKE", {"type": "FIELD", "name": "MAKE"}]
, ["CMAKE", {"type": "FIELD", "name": "CMAKE"}]
, ["PATH", {"type": "FIELD", "name": "PATH"}]
, ["provider", "MAKE"]
, [ "MAKE"
, { "type": "if"
, "cond": {"type": "var", "name": "MAKE"}
, "then": {"type": "var", "name": "MAKE"}
, "else": {"type": "CALL_EXPRESSION", "name": "base-provides"}
}
]
, ["provider", "CMAKE"]
, [ "CMAKE"
, { "type": "if"
, "cond": {"type": "var", "name": "CMAKE"}
, "then": {"type": "var", "name": "CMAKE"}
, "else": {"type": "CALL_EXPRESSION", "name": "base-provides"}
}
]
, ["provider", "PATH"]
, [ "PATH"
, { "type": "nub_left"
, "$1":
{ "type": "++"
, "$1":
[ {"type": "var", "name": "PATH"}
, {"type": "CALL_EXPRESSION", "name": "base-provides-++"}
]
}
}
]
, ["provider", "ENV"]
, ["default", {"type": "empty_map"}]
, ["ENV", {"type": "CALL_EXPRESSION", "name": "base-provides"}]
, ["provider", "NON_SYSTEM_TOOLS"]
, ["default", {"type": "empty_map"}]
, [ "NON_SYSTEM_TOOLS"
, { "type": "map_union"
, "$1":
{ "type": "++"
, "$1":
[ {"type": "CALL_EXPRESSION", "name": "base-provides-list"}
, { "type": "if"
, "cond": {"type": "FIELD", "name": "MAKE"}
, "then":
[ { "type": "singleton_map"
, "key": "MAKE"
, "value":
{ "type": "if"
, "cond": {"type": "FIELD", "name": "toolchain"}
, "then": true
, "else": false
}
}
]
}
, { "type": "if"
, "cond": {"type": "FIELD", "name": "CMAKE"}
, "then":
[ { "type": "singleton_map"
, "key": "CMAKE"
, "value":
{ "type": "if"
, "cond": {"type": "FIELD", "name": "toolchain"}
, "then": true
, "else": false
}
}
]
}
, { "type": "foreach"
, "range": {"type": "FIELD", "name": "SYSTEM_TOOLS"}
, "var": "tool"
, "body":
{ "type": "singleton_map"
, "key": {"type": "var", "name": "tool"}
, "value": false
}
}
]
}
}
]
, ["provider", "TOOLCHAIN"]
, ["default", {"type": "empty_map"}]
, [ "TOOLCHAIN"
, { "type": "disjoint_map_union"
, "msg": "toolchain artifacts may not overlap"
, "$1":
{ "type": "++"
, "$1":
[ {"type": "CALL_EXPRESSION", "name": "base-provides-list"}
, { "type": "if"
, "cond": {"type": "FIELD", "name": "toolchain"}
, "then":
{ "type": "let*"
, "bindings":
[ ["fieldname", "toolchain"]
, [ "transition"
, {"type": "CALL_EXPRESSION", "name": "for host"}
]
]
, "body":
{"type": "CALL_EXPRESSION", "name": "artifacts_list"}
}
}
]
}
}
]
]
, "body":
{ "type": "RESULT"
, "provides":
{ "type": "env"
, "vars":
["MAKE", "CMAKE", "PATH", "ENV", "TOOLCHAIN", "NON_SYSTEM_TOOLS"]
}
}
}
}
}
|
