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authorKartik Agaram <vc@akkartik.com>2020-06-15 23:06:07 -0700
committerKartik Agaram <vc@akkartik.com>2020-06-15 23:06:07 -0700
commit99a8ea89e2954f011e1795955f8832bffad84df3 (patch)
treeeeaf95cafb8851c6dc034af88bfe7b66a5293ebc
parentcdc9a7f57f860e2196ec00bdc22458bb0c61c64b (diff)
downloadmu-99a8ea89e2954f011e1795955f8832bffad84df3.tar.gz
6539 - arith: start on mul/div
-rw-r--r--apps/arith.mu9
1 files changed, 7 insertions, 2 deletions
diff --git a/apps/arith.mu b/apps/arith.mu
index 18e572e4..6821efcf 100644
--- a/apps/arith.mu
+++ b/apps/arith.mu
@@ -23,7 +23,7 @@ fn simplify -> result/eax: int, look/esi: byte {
   # prime the pump
   look <- get-char  # prime the pump
   look <- skip-spaces look
-  result, look <- num look
+  result, look <- term look
   $simplify:loop: {
     # operator
     var op/ecx: byte <- copy 0
@@ -38,7 +38,7 @@ fn simplify -> result/eax: int, look/esi: byte {
     look <- skip-spaces look
     {
       var tmp/eax: int <- copy 0
-      tmp, look <- num look
+      tmp, look <- term look
       second <- copy tmp
     }
     # perform op
@@ -61,6 +61,11 @@ fn simplify -> result/eax: int, look/esi: byte {
   look <- skip-spaces look
 }
 
+fn term _look: byte -> result/eax: int, look/esi: byte {
+  look <- copy _look  # should be a no-op
+  result, look <- num look
+}
+
 fn operator _look: byte -> op/ecx: byte, look/esi: byte {
   op <- copy _look
   look <- get-char