diff options
author | Kartik Agaram <vc@akkartik.com> | 2020-06-15 23:26:13 -0700 |
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committer | Kartik Agaram <vc@akkartik.com> | 2020-06-15 23:26:13 -0700 |
commit | 076f837af60371aa3b7b11ebb2a9613cd93c8bb0 (patch) | |
tree | 7cd509f19d38c6fc61e71ee1b29a8743d351c50f /apps | |
parent | 525c3986368b3609c964b2bcfc69c246477cd46c (diff) | |
download | mu-076f837af60371aa3b7b11ebb2a9613cd93c8bb0.tar.gz |
6541 - arith: start on bracket support
Diffstat (limited to 'apps')
-rw-r--r-- | apps/arith.mu | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/apps/arith.mu b/apps/arith.mu index 743480de..53566ed5 100644 --- a/apps/arith.mu +++ b/apps/arith.mu @@ -64,7 +64,7 @@ fn simplify -> result/eax: int, look/esi: byte { fn term _look: byte -> result/eax: int, look/esi: byte { look <- copy _look # should be a no-op look <- skip-spaces look - result, look <- num look + result, look <- factor look $term:loop: { # operator var op/ecx: byte <- copy 0 @@ -84,7 +84,7 @@ fn term _look: byte -> result/eax: int, look/esi: byte { look <- skip-spaces look { var tmp/eax: int <- copy 0 - tmp, look <- num look + tmp, look <- factor look second <- copy tmp } # perform op @@ -106,6 +106,12 @@ fn term _look: byte -> result/eax: int, look/esi: byte { } } +fn factor _look: byte -> result/eax: int, look/esi: byte { + look <- copy _look # should be a no-op + look <- skip-spaces look + result, look <- num look +} + fn is-mul-or-div? c: byte -> result/eax: bool { $is-mul-or-div?:body: { compare c, 0x2a |