add block ds9 parser

1 files changed, 51 insertions, 0 deletions

diff --git a/ds9/parsers/blockparser.tac b/ds9/parsers/blockparser.tac
new file mode 100644
index 0000000..53a22ca
--- /dev/null
+++ b/ds9/parsers/blockparser.tac
@@ -0,0 +1,51 @@
+%{
+%}
+
+#include yesno.tin
+#include base.tin
+
+%start command
+
+%token CLOSE_
+%token FIT_
+%token IN_
+%token LOCK_
+%token MATCH_
+%token OPEN_
+%token OUT_
+%token TO_
+
+%%
+
+#include yesno.trl
+#include base.trl
+
+command : block
+ | block {yyclearin; YYACCEPT} CMD_
+ ;
+
+block : CLOSE_ {BlockDestroyDialog}
+ | OPEN_ {BlockDialog}
+ | MATCH_ {MatchBlockCurrent}
+ | LOCK_ yesno {global block; set block(lock) $2; LockBlockCurrent}
+ | numeric {Block $1 $1}
+ | numeric numeric {Block $1 $2}
+ | IN_ {Block .5 .5}
+ | OUT_ {Block 2 2}
+ | TO_ blockTo
+ ;
+
+blockTo : numeric {global block; set block(factor) "$1 $1"; ChangeBlock}
+ | numeric numeric {global block; set block(factor) "$1 $2"; ChangeBlock}
+ | FIT_ {BlockToFit}
+ ; 
+
+%%
+
+proc block::yyerror {msg} {
+     variable yycnt
+     variable yy_current_buffer
+     variable index_
+
+     ParserError $msg $yycnt $yy_current_buffer $index_
+}