Big fat merge for epist.

This adds a config parser, chaining, and a tonne of other stuff.
Still need to fix up build system for the lex and yacc stuff.

1 files changed, 83 insertions, 0 deletions

diff --git a/util/epist/epist.y b/util/epist/epist.y
new file mode 100644
index 00000000..60fe9aaa
--- /dev/null
+++ b/util/epist/epist.y
@@ -0,0 +1,83 @@
+%{
+#include <stdio.h>
+#include <string.h>
+#include "parser.hh"
+    
+#define YYPARSE_PARAM parser_obj
+#define YYSTYPE char*
+    
+extern "C" {
+    int yylex();
+    int yywrap() {
+        return 1;
+    }
+}
+
+void yyerror(const char *c) {
+    printf("ERROR: %s\n", c);
+}
+
+
+%}
+
+%token OBRACE EBRACE SEMICOLON DASH ACTION BINDING NUMBER QUOTES WORD  
+
+%%
+
+commands:
+    | commands command
+    ;
+
+command:
+    action_command | chain_command
+    ;
+
+action_command:
+    binding ACTION parameter SEMICOLON
+    {
+        ((parser*)parser_obj)->setAction($2);
+        ((parser*)parser_obj)->endAction();
+    }
+    
+    ;
+
+chain_command:
+    binding obrace commands ebrace
+    {
+        ((parser*)parser_obj)->endChain();
+    }
+    ;
+
+binding:
+    binding_w_modifier bind_key
+    ;
+
+obrace:
+    OBRACE { ((parser*)parser_obj)->startChain(); }
+    ;
+
+ebrace:
+    EBRACE { /* ((parser*)parser_obj)->endChain(); */ }
+    ;
+    
+binding_w_modifier:
+    | BINDING DASH binding_w_modifier { ((parser*)parser_obj)->addModifier($1); }
+    ;
+
+bind_key:
+    OBRACE       { ((parser*)parser_obj)->setKey($1); }
+    | EBRACE     { ((parser*)parser_obj)->setKey($1); }
+    | DASH       { ((parser*)parser_obj)->setKey($1); }
+    | SEMICOLON  { ((parser*)parser_obj)->setKey($1); }
+    | NUMBER     { ((parser*)parser_obj)->setKey($1); }
+    | WORD       { ((parser*)parser_obj)->setKey($1); }
+    ;
+    
+parameter:
+    | NUMBER      { ((parser*)parser_obj)->setArgument($1); }
+    | DASH NUMBER { ((parser*)parser_obj)->setArgument($1); }
+    | QUOTES      { ((parser*)parser_obj)->setArgument($1); }
+    ;
+
+%%
+