From f1a48f173922785a4f18ad789f1d0cd7080bb3d1 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Fri, 6 Jan 2012 18:50:14 +1000
Subject: Added most of the expression parser.

---
 LuaSL/src/LuaSL_yaccer.y | 50 +++++++++++++++++++++++++++++++++++-------------
 1 file changed, 37 insertions(+), 13 deletions(-)

(limited to 'LuaSL/src/LuaSL_yaccer.y')

diff --git a/LuaSL/src/LuaSL_yaccer.y b/LuaSL/src/LuaSL_yaccer.y
index 5d01f46..fd5a461 100644
--- a/LuaSL/src/LuaSL_yaccer.y
+++ b/LuaSL/src/LuaSL_yaccer.y
@@ -9,28 +9,52 @@
 
 %define api.pure
 
-%left '+' LSL_ADD
-%left '*' LSL_MULTIPLY
+%token <integerValue> LSL_INTEGER
 
-%token LSL_ADD
-%token LSL_MULTIPLY
-%token LSL_PARENTHESIS_OPEN LSL_PARENTHESIS_CLOSE
+%left LSL_BOOL_AND
+%left LSL_BOOL_OR
+%left LSL_BIT_AND LSL_BIT_XOR LSL_BIT_OR
+%left LSL_EQUAL LSL_NOT_EQUAL
+%left LSL_LESS_THAN LSL_GREATER_THAN LSL_LESS_EQUAL LSL_GREATER_EQUAL
+%left LSL_LEFT_SHIFT LSL_RIGHT_SHIFT
+%left LSL_SUBTRACT LSL_ADD
+%left LSL_DIVIDE LSL_MODULO LSL_MULTIPLY
+%right LSL_BIT_NOT LSL_BOOL_NOT LSL_NEGATION
 
-%token <integerValue> LSL_INTEGER
+%token LSL_PARENTHESIS_OPEN LSL_PARENTHESIS_CLOSE
 
 %type <expressionValue> expr
 
 %%
 
-input: 
-        expr { ((LuaSL_yyparseParam*)data)->expression = $1; }
-        ;
+input : 
+    expr { ((LuaSL_yyparseParam*)data)->expression = $1; }
+;
 
-expr:
-     LSL_PARENTHESIS_OPEN expr LSL_PARENTHESIS_CLOSE { $$ = $2; }
-    | expr LSL_MULTIPLY expr { $$ = addOperation( LSL_MULTIPLY, $1, $3 ); }
+expr :
+    LSL_INTEGER { $$ = addInteger($1); }
+    | expr LSL_BOOL_AND expr { $$ = addOperation( LSL_BOOL_AND, $1, $3 ); }
+    | expr LSL_BOOL_OR expr { $$ = addOperation( LSL_BOOL_OR, $1, $3 ); }
+    | expr LSL_BIT_OR expr { $$ = addOperation( LSL_BIT_OR, $1, $3 ); }
+    | expr LSL_BIT_XOR expr { $$ = addOperation( LSL_BIT_XOR, $1, $3 ); }
+    | expr LSL_BIT_AND expr { $$ = addOperation( LSL_BIT_AND, $1, $3 ); }
+    | expr LSL_NOT_EQUAL expr { $$ = addOperation( LSL_NOT_EQUAL, $1, $3 ); }
+    | expr LSL_EQUAL expr { $$ = addOperation( LSL_EQUAL, $1, $3 ); }
+    | expr LSL_GREATER_EQUAL expr { $$ = addOperation( LSL_GREATER_EQUAL, $1, $3 ); }
+    | expr LSL_LESS_EQUAL expr { $$ = addOperation( LSL_LESS_EQUAL, $1, $3 ); }
+    | expr LSL_GREATER_THAN expr { $$ = addOperation( LSL_GREATER_THAN, $1, $3 ); }
+    | expr LSL_LESS_THAN expr { $$ = addOperation( LSL_LESS_THAN, $1, $3 ); }
+    | expr LSL_RIGHT_SHIFT expr { $$ = addOperation( LSL_RIGHT_SHIFT, $1, $3 ); }
+    | expr LSL_LEFT_SHIFT expr { $$ = addOperation( LSL_LEFT_SHIFT, $1, $3 ); }
     | expr LSL_ADD expr { $$ = addOperation( LSL_ADD, $1, $3 ); }
-    | LSL_INTEGER { $$ = addInteger($1); }
+    | expr LSL_SUBTRACT expr { $$ = addOperation( LSL_SUBTRACT, $1, $3 ); }
+    | expr LSL_MULTIPLY expr { $$ = addOperation( LSL_MULTIPLY, $1, $3 ); }
+    | expr LSL_MODULO expr { $$ = addOperation( LSL_MODULO, $1, $3 ); }
+    | expr LSL_DIVIDE expr { $$ = addOperation( LSL_DIVIDE, $1, $3 ); }
+    | LSL_BIT_NOT expr { $$ = addOperation( LSL_BIT_NOT, NULL, $2 ); }
+    | LSL_BOOL_NOT expr { $$ = addOperation( LSL_BOOL_NOT, NULL, $2 ); }
+    | LSL_SUBTRACT expr { $$ = addOperation( LSL_NEGATION, NULL, $2 ); }  %prec LSL_NEGATION
+    | LSL_PARENTHESIS_OPEN expr LSL_PARENTHESIS_CLOSE { $$ = $2; }
 ;
 
 %%
-- 
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