Lines Matching refs:facade

20 # Declare a facade.
22 # A Pigweed facade is an API layer that has a single implementation it must
29 #     implementation (backend). Users of the facade should depend on this.
30 #   $target_name.facade: A private source_set that provides ONLY the API. ONLY
33 # If the target name matches the directory name (e.g. //foo:foo), a ":facade"
34 # alias of the facade target (e.g. //foo:facade) is also provided. This avoids
37 # The facade's headers are split out into the *.facade target to avoid circular
49 #     deps = [ ":foo.facade" ]
55 #   foo.facade  <-.
68 #  backend: (required) The dependency that implements this facade (a GN
70 #  public: (required) The headers exposed by this facade. A facade acts as a
72 #    include headers from the facade itself. If the facade doesn't expose any
78          "pw_facade requires a reference to a backend variable for the facade")
80          "If your facade does not explicitly expose an API that a backend " +
84   _facade_name = "$target_name.facade"
88     group("facade") {
95     # it only applies to headers, so should be in the .facade target.
106     # Try to guess the name of the facade's backend variable.
118     # attempting to build the facade without a backend fails with a relevant
123         "Attempted to build the $_label facade with no backend.",
125         "If you are using this facade, ensure you have configured a backend ",
126         "properly. The build arg for the facade must be set to a valid ",
132         "If you are NOT using this facade, this error may have been triggered ",
138   # Create a target that defines the main facade library. Always emit this