From 237eb51e0bdbab7b65e2f36b4bcc455785b167b7 Mon Sep 17 00:00:00 2001
From: William Joye <wjoye@cfa.harvard.edu>
Date: Mon, 11 Jun 2018 13:11:55 -0400
Subject: add ds9 xpa send parser

---
 ds9/library/source.tcl        |  2 ++
 ds9/library/xpa.tcl           | 10 +++++++---
 ds9/parsers/xpasendlex.fcl    | 14 ++++++++++++++
 ds9/parsers/xpasendparser.tac | 22 ++++++++++++++++++++++
 4 files changed, 45 insertions(+), 3 deletions(-)
 create mode 100644 ds9/parsers/xpasendlex.fcl
 create mode 100644 ds9/parsers/xpasendparser.tac

diff --git a/ds9/library/source.tcl b/ds9/library/source.tcl
index 0623c54..e6e75e4 100644
--- a/ds9/library/source.tcl
+++ b/ds9/library/source.tcl
@@ -432,6 +432,8 @@ source $ds9(root)/library/widthparser.tcl
 source $ds9(root)/library/widthlex.tcl
 source $ds9(root)/library/xpaparser.tcl
 source $ds9(root)/library/xpalex.tcl
+source $ds9(root)/library/xpasendparser.tcl
+source $ds9(root)/library/xpasendlex.tcl
 source $ds9(root)/library/xpafirstparser.tcl
 source $ds9(root)/library/xpafirstlex.tcl
 source $ds9(root)/library/zscaleparser.tcl
diff --git a/ds9/library/xpa.tcl b/ds9/library/xpa.tcl
index 16aa16b..5dde6b5 100644
--- a/ds9/library/xpa.tcl
+++ b/ds9/library/xpa.tcl
@@ -2222,7 +2222,11 @@ proc ProcessXPACmd {varname iname} {
 }
 
 proc ProcessSendXPACmd {proc id param {sock {}} {fn {}}} {
-    switch -- [string tolower [lindex $param 0]] {
-	info {$proc $id [XPAInfoResult]} 
-    }
+    global parse
+    set parse(proc) $proc
+    set parse(id) $id
+
+    xpasend::YY_FLUSH_BUFFER
+    xpasend::yy_scan_string $param
+    xpasend::yyparse
 }
diff --git a/ds9/parsers/xpasendlex.fcl b/ds9/parsers/xpasendlex.fcl
new file mode 100644
index 0000000..024d7b8
--- /dev/null
+++ b/ds9/parsers/xpasendlex.fcl
@@ -0,0 +1,14 @@
+#tab xpasendparser.tab.tcl
+
+%{
+%}
+
+#include defs.fin
+
+%%
+
+info	    {return $INFO_}
+
+#include ws.fin
+
+%%
diff --git a/ds9/parsers/xpasendparser.tac b/ds9/parsers/xpasendparser.tac
new file mode 100644
index 0000000..c27b80f
--- /dev/null
+++ b/ds9/parsers/xpasendparser.tac
@@ -0,0 +1,22 @@
+%{
+%}
+
+%start xpasend
+
+%token INFO_
+
+%%
+
+xpasend : {global parse; $parse(proc) $parse(id) [XPAInfoResult]}
+ | INFO_ {global parse; $parse(proc) $parse(id) [XPAInfoResult]}
+ ;
+
+%%
+
+proc xpasend::yyerror {msg} {
+     variable yycnt
+     variable yy_current_buffer
+     variable index_
+
+     ParserError $msg $yycnt $yy_current_buffer $index_
+}
-- 
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