Add missing stubs to Compiler.
Add missing stubs to Compiler.

Added missing stubs to class Compiler for the methods:
  * compute_int
  * has_members
  * has_type
  * symbols_have_underscore_prefix

QuLogic/meson,QuLogic/meson,jpakkane/meson,QuLogic/meson,jpakkane/meson,mesonbuild/meson,mesonbuild/meson,thiblahute/meson,pexip/meson,jeandet/meson,pexip/meson,becm/meson,QuLogic/meson,MathieuDuponchelle/meson,pexip/meson,thiblahute/meson,QuLogic/meson,becm/meson,QuLogic/meson,becm/meson,mesonbuild/meson,becm/meson,mesonbuild/meson,MathieuDuponchelle/meson,pexip/meson,thiblahute/meson,jeandet/meson,MathieuDuponchelle/meson,thiblahute/meson,jeandet/meson,jeandet/meson,becm/meson,jpakkane/meson,mesonbuild/meson,becm/meson,mesonbuild/meson,pexip/meson,jeandet/meson,jeandet/meson,MathieuDuponchelle/meson,pexip/meson,mesonbuild/meson,pexip/meson,mesonbuild/meson,MathieuDuponchelle/meson,jpakkane/meson,becm/meson,jpakkane/meson,thiblahute/meson,pexip/meson,QuLogic/meson,thiblahute/meson,becm/meson,jeandet/meson,pexip/meson,MathieuDuponchelle/meson,MathieuDuponchelle/meson,jpakkane/meson,jpakkane/meson,jpakkane/meson,thiblahute/meson,thiblahute/meson,jpakkane/meson,jeandet/meson,MathieuDuponchelle/meson,becm/meson,becm/meson,QuLogic/meson,QuLogic/meson,mesonbuild/meson,jeandet/meson,thiblahute/meson,mesonbuild/meson,pexip/meson,MathieuDuponchelle/meson