Author: bernhard
Date: Tue Jan 30 14:10:29 2007
New Revision: 16847
Modified:
trunk/languages/plumhead/src/partridge/Plumhead.pg
Log:
[Plumhead partridge]
Play with parser and lexer grammar.
Modified: trunk/languages/plumhead/src/partridge/Plumhead.pg
==============================================================================
--- trunk/languages/plumhead/src/partridge/Plumhead.pg (original)
+++ trunk/languages/plumhead/src/partridge/Plumhead.pg Tue Jan 30 14:10:29 2007
@@ -9,26 +9,29 @@
regex sea { .* <before: \<> }
-token DOUBLEQUOTE_STRING { ' <-[']>* ' }
+token DOUBLEQUOTE_STRING { " <-["]>* " }
token SINGLEQUOTE_STRING { ' <-[']>* ' }
+token NUMBER { 1 }
+
token start_code { \< \? p h p }
token end_code { \? \> }
-token echo { echo }
+token echo { e c h o }
token ws { \s* }
rule statement { <echo> }
-rule program { ^<sea><code>? }
+token program { ^ <sea> <code> }
-rule code { <start_code> <statement>? <end_code> }
+rule code { <start_code> <statement>* <end_code> }
rule statement { <echo> <expression> ; }
-token expression { DOUBLEQUOTE_STRING
- | SINGLEQUOTE_STRING
- }
+token expression { <DOUBLEQUOTE_STRING> | <adding_expression> }
+
+rule adding_expression { <NUMBER> }
+
