initial

1 files changed, 27 insertions, 0 deletions

diff --git a/grammar.peg b/grammar.peg
new file mode 100644
index 0000000..fc7db48
--- /dev/null
+++ b/grammar.peg
@@ -0,0 +1,27 @@
+%{
+#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;
+}