Makefile: `all` generate manpages as `pandoc` is no more required

[nit.git] / contrib / nitcc / src / nitcc.sablecc

diff --git a/contrib/nitcc/src/nitcc.sablecc b/contrib/nitcc/src/nitcc.sablecc
index 4eacff1..c3208ae 100644 (file)
--- a/contrib/nitcc/src/nitcc.sablecc
+++ b/contrib/nitcc/src/nitcc.sablecc
@@ -15,6 +15,9 @@ str = '\'' (ch-'\\'-'\''|'\\'ch)* '\'';
 // A char by decimal ascii
 ch_dec = '#' ('0'..'9')+ ;
 
+// A char by hexadecimal ascii
+ch_hex = '#' ('x'|'X') ('0'..'9'|'a'..'z'|'A'..'Z')+ ;
+
 // A single-line comment
 comment = '//' ch* '\n'?;
 
@@ -34,7 +37,7 @@ Parser
 Ignored blank;
 Rejected unknown_keyword;
 
-grammar = 'Grammar' id ';' lexer_part? parser_part?;
+grammar = 'Grammar' id ';' lexer_part? parser_part? tree_part?;
 
 lexer_part = 'Lexer' expr*;
 
@@ -65,11 +68,13 @@ re3 {-> re} =
        {par:} '(' re ')' |
        {class:} text '.' '.' text |
        {any:} 'Any' |
+       {end:} 'End' |
        {text:} text ;
 
 text {-> re} =
        {str:} str |
-       {ch_dec:} ch_dec ;
+       {ch_dec:} ch_dec |
+       {ch_hex:} ch_hex ;
 
 parser_part = 'Parser' ign? rej? prod*;
 
@@ -77,7 +82,7 @@ ign = 'Ignored' elem_list ';' ;
 
 rej = 'Rejected' elem_list ';' ;
 
-prod = id ptrans? '=' alts ';';
+prod = id ptrans? '=' alts priority* ';';
 
 ptrans = '{' '->' id '}';
 atrans = '{' '->' '}';
@@ -105,3 +110,10 @@ elem =
        {ques:} elem '?' |
        {plus:} elem '+' |
        {empty:} 'Empty' ;
+
+priority =
+       {left:} 'Left' alts |
+       {right:} 'Right' alts |
+       {unary:} 'Unary' alts ;
+
+tree_part = 'Tree' prod*;