1 files changed, 38 insertions, 11 deletions

diff --git a/expr.y b/expr.y
index 1060e27..785b004 100644
--- a/expr.y
+++ b/expr.y
@@ -12,9 +12,12 @@ static void breakpoint(void) { }
 %token INTEGER
 %token STRING
 %token '(' ')'
-%left MATCH MULTIPLICATION 
+%left ':'
+%left '*' '/' '%'
 %left '+' '-'
-%left COMPARISON AND OR
+%left '=' '<' '>' LE GE NE
+%left '&'
+%left '|'
 
 %start expr
 
@@ -27,15 +30,25 @@ expr	: STRING {
 	}
 
 	| '(' expr ')' {
-		printf("a parenthesized expression\n");
 	}
 
-	| expr MATCH expr {
-		printf("match two\n");
+	| expr ':' expr {
+		printf("match\n");
 	}
 
-	| expr MULTIPLICATION expr {
-		printf("multiplicationish\n");
+	| expr '*' expr {
+		$$.u.i = $1.u.i * $3.u.i;
+		printf("%d\n", $$.u.i);
+	}
+
+	| expr '/' expr {
+		$$.u.i = $1.u.i / $3.u.i;
+		printf("%d\n", $$.u.i);
+	}
+
+	| expr '%' expr {
+		$$.u.i = $1.u.i % $3.u.i;
+		printf("%d\n", $$.u.i);
 	}
 
 	| expr '+' expr {
@@ -48,15 +61,29 @@ expr	: STRING {
 		printf("%d\n", $$.u.i);
 	}
 
-	| expr COMPARISON expr {
-		printf("compare\n");
+	| expr '=' expr {
+	}
+
+	| expr NE expr {
+	}
+
+	| expr '<' expr {
+	}
+
+	| expr LE expr {
+	}
+
+	| expr '>' expr {
+	}
+
+	| expr GE expr {
 	}
 
-	| expr AND expr {
+	| expr '&' expr {
 		printf("and\n");
 	}
 
-	| expr OR expr {
+	| expr '|' expr {
 		printf("or\n");
 	}
 	;