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authoraarne <aarne@cs.chalmers.se>2008-05-21 09:26:44 +0000
committeraarne <aarne@cs.chalmers.se>2008-05-21 09:26:44 +0000
commit055c0d0d5a5bb0dc75904fe53df7f2e4f5732a8f (patch)
tree0e63fb68c69c8f6ad0f78893c63420f0a3600e1c /src-3.0/GF/CFGM/CFG.cf
parent915a1de71783ab8446b1af9e72c7ba7dfbc12d3f (diff)
GF/src is now for 2.9, and the new sources are in src-3.0 - keep it this way until the release of GF 3
Diffstat (limited to 'src-3.0/GF/CFGM/CFG.cf')
-rw-r--r--src-3.0/GF/CFGM/CFG.cf36
1 files changed, 36 insertions, 0 deletions
diff --git a/src-3.0/GF/CFGM/CFG.cf b/src-3.0/GF/CFGM/CFG.cf
new file mode 100644
index 000000000..fa722f4a4
--- /dev/null
+++ b/src-3.0/GF/CFGM/CFG.cf
@@ -0,0 +1,36 @@
+entrypoints Grammars;
+
+Grammars. Grammars ::= [Grammar];
+
+Grammar. Grammar ::= "grammar" Ident [Flag] [Rule] "end" "grammar";
+separator Grammar "";
+
+StartCat. Flag ::= "startcat" Category;
+terminator Flag ";";
+
+Rule. Rule ::= Fun ":" Profiles "." Category "->" [Symbol];
+terminator Rule ";";
+
+Cons. Fun ::= Ident ;
+Coerce. Fun ::= "_" ;
+
+Profiles. Profiles ::= "[" [Profile] "]";
+
+separator Profile ",";
+
+UnifyProfile. Profile ::= "[" [Integer] "]";
+ConstProfile. Profile ::= Ident ;
+
+separator Integer ",";
+
+CatS. Symbol ::= Category;
+TermS. Symbol ::= String;
+
+-- separator Symbol "";
+[]. [Symbol] ::= "." ;
+(:[]). [Symbol] ::= Symbol ;
+(:). [Symbol] ::= Symbol [Symbol] ;
+
+Category. Category ::= SingleQuoteString ;
+
+token SingleQuoteString '\'' ((char - ["'\\"]) | ('\\' ["'\\"]))* '\'' ;