ASSOCIATIVITY, DO WE EVER PARSE IT??????!!!!111!one!111eleven

[cc1516.git] / src / grammar.txt

diff --git a/src/grammar.txt b/src/grammar.txt
index 697cca2..ab2e4db 100644 (file)
--- a/src/grammar.txt
+++ b/src/grammar.txt
@@ -1,35 +1,27 @@
-<Expr>    ::= <ExprWithoutOp> <ExprMaybeOp>
-
-
-<ExprMaybeOp> ::= '+' <Expr>
-
-<ModExpr>      ::= <PlusMinExpr> ['%' <ModExpr>]
-
-<PlusMinExpr>  ::= <TimesDivExpr> [('+' | '-') <PlusMinExpr>]
-
-<TimesDivExpr> ::= <BasicExpr> ['*' | '/' | '%'] <TimesDivExpr>]
-
+<Expr>         ::= <BinOrExpr> [':' <Expr>]
+<BinOrExpr>    ::= <BinAndExpr> ['||' <BinOrExpr>]
+<BinAndExpr>   ::= <CompareExpr> ['&&' <BinAndExpr>]
+<CompareExpr>  ::= <PlusMinExpr> [('==' | '<' | '>' | '<=' | '>=' | '!=') <CompareExpr>]
+<PlusMinExpr>  ::= <TimesDivExpr> (('+' | '-') <TimesDivExpr>)*
+<TimesDivExpr> ::= <BasicExpr> ('*' | '/' | '%'] <BasicExpr>)*
 <BasicExpr>    ::= <id> ['hd'|'tl'|'fst'|'snd]
-                      | <Op1> <Expr>
-                      | <int>
-                      | <char>
-                      | 'False'
-                      | 'True'
-                      | '(' <Expr> ')'
-                      | <id> '(' [<ActArgs>] ')'
-                      | '[]' <Expr>
-                      | '(' <Expr> ',' <Expr> ')'
-
-<Op2>     ::= '+' | '-' | '*' | '/' | '%' | '==' | '<' | '>' | '<=' | '>='
-          |    '!=' | '&&' | '||' | ':'
-
-<ActArgs> ::= <Expr> [',' ActArgs]
-
-<VarDecl> ::= (<Type> | 'var') <id> '=' <Expr> ';'
-
-<Type> ::= 'Int'
-       | 'Bool'
-       | 'Char'
-       | '(' Type ',' Type ')'
-       | '[' Type ']'
-       | <id>
+                 | <Op1> <Expr>
+                 | <int>
+                 | <char>
+                 | 'False'
+                 | 'True'
+                 | '(' <Expr> ')'
+                 | <id> '(' [<ActArgs>] ')'
+                 | '[]' <Expr>
+                 | '(' <Expr> ',' <Expr> ')'
+
+<ActArgs>      ::= <Expr> [',' ActArgs]
+
+<VarDecl>      ::= (<Type> | 'var') <id> '=' <Expr> ';'
+
+<Type>         ::= 'Int'
+                 | 'Bool'
+                 | 'Char'
+                 | '(' Type ',' Type ')'
+                 | '[' Type ']'
+                 | <id>