src/parser/parse-expr-{proto,impl}.lisp: Fully hide the parser state.

[sod] / src / parser / parser-expr-proto.lisp

diff --git a/src/parser/parser-expr-proto.lisp b/src/parser/parser-expr-proto.lisp
index 326f3e5..9052e54 100644 (file)
--- a/src/parser/parser-expr-proto.lisp
+++ b/src/parser/parser-expr-proto.lisp
@@ -28,29 +28,6 @@
 ;;;--------------------------------------------------------------------------
 ;;; Basic protocol.
 
-(export 'push-operator)
-(defgeneric push-operator (operator state)
-  (:documentation
-   "Push an OPERATOR onto the STATE's operator stack.
-
-   This should apply existing stacked operators as necessary to obey the
-   language's precedence rules."))
-
-(export 'push-value)
-(defgeneric push-value (value state)
-  (:documentation
-   "Push VALUE onto the STATE's value stack.
-
-   The default method just does that without any fuss.  It's unlikely that
-   this will need changing unless you invent some really weird values."))
-
-(export 'apply-operator)
-(defgeneric apply-operator (operator state)
-  (:documentation
-   "Apply the OPERATOR to argument on the STATE's value stack.
-
-   This should pop any necessary arguments, and push the result."))
-
 (export 'operator-push-action)
 (defgeneric operator-push-action (left right)
   (:documentation
@@ -149,9 +126,7 @@
    Prefix operators are special because they are pushed at a time when the
    existing topmost operator on the stack may not have its operand
    available.  It is therefore incorrect to attempt to apply any existing
-   operators without careful checking.  This class provides a method on
-   `push-operator' which immediately pushes the new operator without
-   inspecting the existing stack."))
+   operators without careful checking."))
 
 (export 'simple-operator)
 (defclass simple-operator ()