Add basic builtin-function support

This isn't really super extendible for now, but it's a start and gives
us the `print` builtin which allows us to finally actually print out
values to the screen, so we can move away from testing with exit codes
eventually.

1 files changed, 17 insertions, 0 deletions

diff --git a/examples/hello.cup b/examples/hello.cup
new file mode 100644
index 0000000..eef63eb
--- /dev/null
+++ b/examples/hello.cup
@@ -0,0 +1,17 @@
+
+fn main(): int {
+    putc(72);
+    putc(101);
+    putc(108);
+    putc(108);
+    putc(111);
+    putc(44);
+    putc(32);
+    putc(87);
+    putc(111);
+    putc(114);
+    putc(108);
+    putc(100);
+    putc(33);
+    putc(10);
+}