From abebccd43ae4ebf24ef336ef5c1c2bf18a03becc Mon Sep 17 00:00:00 2001
From: William Joye <wjoye@cfa.harvard.edu>
Date: Thu, 10 May 2018 17:16:35 -0400
Subject: add ds9 mosaicimageiraf parser

---
 ds9/library/mosaicimageiraf.tcl       | 35 ++++++++++++++++++++++++++++++++---
 ds9/library/source.tcl                |  2 ++
 ds9/parsers/mosaicimageiraflex.fcl    | 15 +++++++++++++++
 ds9/parsers/mosaicimageirafparser.tac | 34 ++++++++++++++++++++++++++++++++++
 4 files changed, 83 insertions(+), 3 deletions(-)
 create mode 100644 ds9/parsers/mosaicimageiraflex.fcl
 create mode 100644 ds9/parsers/mosaicimageirafparser.tac

diff --git a/ds9/library/mosaicimageiraf.tcl b/ds9/library/mosaicimageiraf.tcl
index 4cf0ce4..f12db74 100644
--- a/ds9/library/mosaicimageiraf.tcl
+++ b/ds9/library/mosaicimageiraf.tcl
@@ -47,11 +47,19 @@ proc ProcessMosaicImageIRAFCmd {varname iname sock fn} {
     upvar $varname var
     upvar $iname i
 
-    global loadParam
-    global current
+    global debug
+    if {$debug(tcl,parser)} {
+	global parse
+	set parse(sock) $sock
+	set parse(fn) $fn
 
-    set layer {}
+	mosaicimageiraf::YY_FLUSH_BUFFER
+	mosaicimageiraf::yy_scan_string [lrange $var $i end]
+	mosaicimageiraf::yyparse
+	incr i [expr $mosaicimageiraf::yycnt-1]
+    } else {
 
+    set layer {}
     switch -- [string tolower [lindex $var $i]] {
 	new {
 	    incr i
@@ -84,3 +92,24 @@ proc ProcessMosaicImageIRAFCmd {varname iname sock fn} {
     }
     FinishLoad
 }
+}
+
+proc MosaicImageIRAFCmdLoad {param layer} {
+    global parse
+    
+    if {$parse(sock) != {}} {
+	# xpa
+	if {![LoadMosaicImageIRAFSocket $parse(sock) $param $layer]} {
+	    InitError xpa
+	    LoadMosaicImageIRAFFile $param $layer
+	}
+    } else {
+	# comm
+	if {$parse(fn) != {}} {
+	    LoadMosaicImageIRAFAlloc $parse(fn) $param $layer
+	} else {
+	    LoadMosaicImageIRAFFile $param $layer
+	}
+    }
+    FinishLoad
+}
diff --git a/ds9/library/source.tcl b/ds9/library/source.tcl
index ca3f34c..15cd215 100644
--- a/ds9/library/source.tcl
+++ b/ds9/library/source.tcl
@@ -256,6 +256,8 @@ source $ds9(root)/library/minmaxparser.tcl
 source $ds9(root)/library/minmaxlex.tcl
 source $ds9(root)/library/modeparser.tcl
 source $ds9(root)/library/modelex.tcl
+source $ds9(root)/library/mosaicimageirafparser.tcl
+source $ds9(root)/library/mosaicimageiraflex.tcl
 source $ds9(root)/library/mosaicimagewcsparser.tcl
 source $ds9(root)/library/mosaicimagewcslex.tcl
 source $ds9(root)/library/multiframeparser.tcl
diff --git a/ds9/parsers/mosaicimageiraflex.fcl b/ds9/parsers/mosaicimageiraflex.fcl
new file mode 100644
index 0000000..31be3ff
--- /dev/null
+++ b/ds9/parsers/mosaicimageiraflex.fcl
@@ -0,0 +1,15 @@
+#tab mosaicimageirafparser.tab.tcl
+
+%{
+%}
+
+#include defs.fin
+
+%%
+
+mask	    {return $MASK_}
+new	    {return $NEW_}
+
+#include string.fin
+
+%%
diff --git a/ds9/parsers/mosaicimageirafparser.tac b/ds9/parsers/mosaicimageirafparser.tac
new file mode 100644
index 0000000..819c260
--- /dev/null
+++ b/ds9/parsers/mosaicimageirafparser.tac
@@ -0,0 +1,34 @@
+%{
+%}
+
+#include string.tin
+
+%start command
+
+%token MASK_
+%token NEW_
+
+%%
+
+command : mosaicimageiraf 
+ | mosaicimageiraf {yyclearin; YYACCEPT} STRING_
+ ;
+
+mosaicimageiraf : opts {MosaicImageIRAFCmdLoad {} $1}
+ | opts STRING_ {MosaicImageIRAFCmdLoad $2 $1}
+ ;
+
+opts :
+ | NEW_ {CreateFrame; set _ {}}
+ | MASK_ {set _ mask}
+ ;
+
+%%
+
+proc mosaicimageiraf::yyerror {msg} {
+     variable yycnt
+     variable yy_current_buffer
+     variable index_
+
+     ParserError $msg $yycnt $yy_current_buffer $index_
+}
-- 
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