src/test.src at master · LucAlexander/src · GitHub

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pattern Comment = Comment '//' Anything_EOL;
pattern Anything_EOL = EOL '$'
                     | Anything * Anything_EOL;

bind (Comment '//' anything) = ;

pattern CompSegment = CompSegment 'comptime' '{' UntilRun;
pattern UntilRun = Run '}'
                 | MidRun '{' UntilRun UntilRun
                 | Until * UntilRun;

bind 'BlockRun' (Until text next) = text BlockRun next;
bind 'BlockRun' (Run '}') = ;
bind 'BlockRun' (MidRun '{' next after) = BlockRun next BlockRun after;

bind (CompSegment 'comptime' '{' rest) =
	comp
	BlockRun rest
	mov r0 !1
	int
	run
;

pattern UntilIn = In 'in'
                | Untilin * UntilIn;

bind 'let' (* name) '=' (UntilIn value) '{' (UntilRun body) =
	comptime {
		BlockRun Body
	}
	bind name = BlockIn value
where
	bind 'BlockIn' (Untilin text next) = text BlockIn next;
	bind 'BlockIn' (In 'in') = ;
;

let syscall = r1 in {
	mov r1 !1
}
mov r0 !syscall
// mov r0 !2
int