From 7cfa08b0968e0af4bc64ea0eab90d2b3f315fcbc Mon Sep 17 00:00:00 2001
From: William Joye <wjoye@cfa.harvard.edu>
Date: Tue, 8 May 2018 15:41:03 -0400
Subject: add ds9 mask parser

---
 ds9/parsers/iislex.fcl     | 15 +++++++++++++++
 ds9/parsers/iisparser.tac  | 31 +++++++++++++++++++++++++++++++
 ds9/parsers/masklex.fcl    | 20 ++++++++++++++++++++
 ds9/parsers/maskparser.tac | 41 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 107 insertions(+)
 create mode 100644 ds9/parsers/iislex.fcl
 create mode 100644 ds9/parsers/iisparser.tac
 create mode 100644 ds9/parsers/masklex.fcl
 create mode 100644 ds9/parsers/maskparser.tac

diff --git a/ds9/parsers/iislex.fcl b/ds9/parsers/iislex.fcl
new file mode 100644
index 0000000..7795f16
--- /dev/null
+++ b/ds9/parsers/iislex.fcl
@@ -0,0 +1,15 @@
+#tab iisparser.tab.tcl
+
+%{
+%}
+
+#include defs.fin
+
+%%
+
+filename    {return $FILENAME_}
+
+#include numeric.fin
+#include string.fin
+
+%%
diff --git a/ds9/parsers/iisparser.tac b/ds9/parsers/iisparser.tac
new file mode 100644
index 0000000..e486cbb
--- /dev/null
+++ b/ds9/parsers/iisparser.tac
@@ -0,0 +1,31 @@
+%{
+%}
+
+#include numeric.tin
+#include string.tin
+
+%start command
+
+%token FILENAME_
+
+%%
+
+#include numeric.trl
+
+command : iis 
+ | iis {yyclearin; YYACCEPT} STRING_
+ ;
+
+iis : FILENAME_ STRING_ {IISCmd $2}
+ | FILENAME_ STRING_ INT_ {IISCmd $2 $3}
+ ;
+
+%%
+
+proc iis::yyerror {msg} {
+     variable yycnt
+     variable yy_current_buffer
+     variable index_
+
+     ParserError $msg $yycnt $yy_current_buffer $index_
+}
diff --git a/ds9/parsers/masklex.fcl b/ds9/parsers/masklex.fcl
new file mode 100644
index 0000000..a64b52f
--- /dev/null
+++ b/ds9/parsers/masklex.fcl
@@ -0,0 +1,20 @@
+#tab maskparser.tab.tcl
+
+%{
+%}
+
+#include defs.fin
+
+%%
+
+close	    {return $CLOSE_}
+clear	    {return $CLEAR_}
+color	    {return $COLOR_}
+mark	    {return $MARK_}
+open	    {return $OPEN_}
+transparency {return $TRANSPARENCY_}
+
+#include numeric.fin
+#include string.fin
+
+%%
diff --git a/ds9/parsers/maskparser.tac b/ds9/parsers/maskparser.tac
new file mode 100644
index 0000000..4d37592
--- /dev/null
+++ b/ds9/parsers/maskparser.tac
@@ -0,0 +1,41 @@
+%{
+%}
+
+#include numeric.tin
+#include string.tin
+
+%start command
+
+%token CLEAR_
+%token CLOSE_
+%token COLOR_
+%token MARK_
+%token OPEN_
+%token TRANSPARENCY_
+
+%%
+
+#include numeric.trl
+
+command : mask 
+ | mask {yyclearin; YYACCEPT} STRING_
+ ;
+
+mask : {MaskCmdSet rr mask}
+ | OPEN_ {MaskDialog}
+ | CLOSE_ {MaskDestroyDialog}
+ | CLEAR_ {MaskClear}
+ | COLOR_ STRING_ {MaskCmdSet color $2 MaskColor}
+ | MARK_ INT_ {MaskCmdSet mark $2 MaskMark}
+ | TRANSPARENCY_ INT_ {MaskCmdSet transparency $2 MaskTransparency}
+ ;
+
+%%
+
+proc mask::yyerror {msg} {
+     variable yycnt
+     variable yy_current_buffer
+     variable index_
+
+     ParserError $msg $yycnt $yy_current_buffer $index_
+}
-- 
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