Implement support for <, >, <=, >= in eval context

Now can write:

if ($build.version > 30000)

4 files changed, 25 insertions, 0 deletions

diff --git a/tests/eval/buildfile b/tests/eval/buildfile
index b1e5350..f26a9a0 100644
--- a/tests/eval/buildfile
+++ b/tests/eval/buildfile
@@ -58,3 +58,15 @@ n =
 print ($n == )
 n = {}
 print ($n == "")
+
+#print ([uint64] 01 == [string] 01)
+
+# <, <=, >, >= evaluation
+#
+print (a < b)
+print (a b > a a)
+print (123 <= 123)
+print ([uint64] 02 > [uint64] 01)
+print (a > [null])
+print ([uint64] 02 > [null])
+print ($build.version > 30000)
diff --git a/tests/eval/test.out b/tests/eval/test.out
index bad003e..555853f 100644
--- a/tests/eval/test.out
+++ b/tests/eval/test.out
@@ -27,3 +27,10 @@ true
 true
 true
 true
+true
+true
+true
+true
+true
+true
+true
diff --git a/tests/if-else/buildfile b/tests/if-else/buildfile
index 2b87b8c..a54092d 100644
--- a/tests/if-else/buildfile
+++ b/tests/if-else/buildfile
@@ -123,6 +123,11 @@ if!(foo == bar)
   print 1
 }
 
+if ([uint64] 01 == [uint64] 1)
+{
+  print 1
+}
+
 # EOF test.
 #
 if true
diff --git a/tests/if-else/test.out b/tests/if-else/test.out
index 4dff9ef..71c9a23 100644
--- a/tests/if-else/test.out
+++ b/tests/if-else/test.out
@@ -10,3 +10,4 @@
 1
 1
 1
+1