From ac3e97014885af00b5a2eb01df232221482db023 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Sat, 20 Mar 2010 15:55:52 -0400
Subject: Support max() and min().

---
 dimension/common.rules | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'dimension/common.rules')

diff --git a/dimension/common.rules b/dimension/common.rules
index e5b9e67..c8e0767 100644
--- a/dimension/common.rules
+++ b/dimension/common.rules
@@ -453,6 +453,12 @@ ARITH_EXPR: FLOAT_LITERAL
           | "log" "(" ARITH_EXPR ")" {
             $$ = dmnsn_new_astnode1(DMNSN_AST_LOG, @$, $3);
           }
+          | "max" "(" MAX_LIST ")" {
+            $$ = $3;
+          }
+          | "min" "(" MIN_LIST ")" {
+            $$ = $3;
+          }
           | "mod" "(" ARITH_EXPR "," ARITH_EXPR ")" {
             $$ = dmnsn_new_astnode2(DMNSN_AST_MOD, @$, $3, $5);
           }
@@ -501,6 +507,22 @@ ARITH_EXPR: FLOAT_LITERAL
           | "t" { $$ = dmnsn_new_ast_ivector(0, 0, 0, 1, 0); }
 ;
 
+MAX_LIST: ARITH_EXPR "," ARITH_EXPR {
+          $$ = dmnsn_new_astnode2(DMNSN_AST_MAX, @$, $1, $3);
+        }
+        | MAX_LIST "," ARITH_EXPR {
+          $$ = dmnsn_new_astnode2(DMNSN_AST_MAX, @$, $1, $3);
+        }
+;
+
+MIN_LIST: ARITH_EXPR "," ARITH_EXPR {
+          $$ = dmnsn_new_astnode2(DMNSN_AST_MIN, @$, $1, $3);
+        }
+        | MIN_LIST "," ARITH_EXPR {
+          $$ = dmnsn_new_astnode2(DMNSN_AST_MIN, @$, $1, $3);
+        }
+;
+
 /* Colors */
 
 COLOR: COLOR_BODY {
-- 
cgit v1.2.3