add ds9 width/height parsers

1 files changed, 28 insertions, 0 deletions

diff --git a/ds9/parsers/widthparser.tac b/ds9/parsers/widthparser.tac
new file mode 100644
index 0000000..b7d03df
--- /dev/null
+++ b/ds9/parsers/widthparser.tac
@@ -0,0 +1,28 @@
+%{
+%}
+
+#include numeric.tin
+#include string.tin
+
+%start command
+
+%%
+
+#include numeric.trl
+
+command : width 
+ | width {yyclearin; YYACCEPT} STRING_
+ ;
+
+width : INT_ {CanvasCmdSet width $1 UpdateView}
+ ;
+
+%%
+
+proc width::yyerror {msg} {
+     variable yycnt
+     variable yy_current_buffer
+     variable index_
+
+     ParserError $msg $yycnt $yy_current_buffer $index_
+}