coverage: cache parsed C files to avoid parsing them again
coverage: cache parsed C files to avoid parsing them again

JelleZijlstra/cython,mrGeen/cython,hhsprings/cython,mcanthony/cython,hickford/cython,acrispin/cython,fperez/cython,hickford/cython,acrispin/cython,slonik-az/cython,slonik-az/cython,da-woods/cython,da-woods/cython,madjar/cython,acrispin/cython,mrGeen/cython,hhsprings/cython,encukou/cython,ChristopherHogan/cython,ChristopherHogan/cython,da-woods/cython,dahebolangkuan/cython,fabianrost84/cython,marscher/cython,encukou/cython,mrGeen/cython,fabianrost84/cython,andreasvc/cython,achernet/cython,hickford/cython,slonik-az/cython,cython/cython,andreasvc/cython,achernet/cython,c-blake/cython,roxyboy/cython,encukou/cython,acrispin/cython,JelleZijlstra/cython,dahebolangkuan/cython,c-blake/cython,mrGeen/cython,hhsprings/cython,hickford/cython,madjar/cython,marscher/cython,mcanthony/cython,fperez/cython,slonik-az/cython,c-blake/cython,roxyboy/cython,hhsprings/cython,acrispin/cython,roxyboy/cython,JelleZijlstra/cython,ChristopherHogan/cython,c-blake/cython,roxyboy/cython,dahebolangkuan/cython,andreasvc/cython,achernet/cython,fabianrost84/cython,cython/cython,marscher/cython,fabianrost84/cython,achernet/cython,mcanthony/cython,mcanthony/cython,mrGeen/cython,madjar/cython,scoder/cython,cython/cython,fperez/cython,encukou/cython,scoder/cython,cython/cython,slonik-az/cython,marscher/cython,andreasvc/cython,madjar/cython,hickford/cython,fabianrost84/cython,da-woods/cython,dahebolangkuan/cython,fperez/cython,andreasvc/cython,JelleZijlstra/cython,JelleZijlstra/cython,achernet/cython,mcanthony/cython,madjar/cython,encukou/cython,c-blake/cython,dahebolangkuan/cython,marscher/cython,hhsprings/cython,scoder/cython,scoder/cython,roxyboy/cython,fperez/cython