grammar.peg


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%{
#include <stdio.h>
#include <stdlib.h>
#include "ast.h"

AstVec numbers;
%}


Numberlist = ( n:NUMBER { astvec_append(&numbers, astnode_new_num(n)); }
             )+


NUMBER = < [0-9]+ > [ \t]* { $$ = atoi(yytext); }

%%

int main() {
	printf("len %ld cap %ld vals %p\n", numbers.len, numbers.cap, numbers.vals);
	while (yyparse())   ;
	printf("len %ld cap %ld vals %p\n", numbers.len, numbers.cap, numbers.vals);
	for (int i = 0; i < numbers.len; i++) {
		printf("[%d] ",numbers.vals[i].as.num);
	}

	return 0;
}