Fix demo of unbalanced behaviour - use graphviz

[tiger.ml.git] / exercises / ch01 / Makefile

diff --git a/exercises/ch01/Makefile b/exercises/ch01/Makefile
index 0dc75b0..3c986c0 100644 (file)
--- a/exercises/ch01/Makefile
+++ b/exercises/ch01/Makefile
@@ -3,7 +3,7 @@ MAKEFLAGS := --no-builtin-rules
 OCAMLC_OPTIONS := -w A -warn-error A
 OCAMLC_BYTE    := ocamlc.opt   $(OCAMLC_OPTIONS)
 
-.PHONY: build clean
+.PHONY: build clean demo_unbalanced
 
 build : \
        straight_line_program_interpreter \
@@ -20,3 +20,9 @@ build : \
 
 clean:
        rm -f straight_line_program_interpreter
+
+tree.png: tree
+       ./tree a b c d e f g h i j k l m n o p q r s t u v foo bar kgkvbkvg lkhjlk gfjyfjf fdtrdchfhtr trhfgfch hjlilijhl iygkyugkgkhy | neato -T png > tree.png
+
+demo_unbalanced: tree.png
+       sxiv ./tree.png