зеркало из https://github.com/mozilla/pjs.git
1149 строки
52 KiB
Common Lisp
1149 строки
52 KiB
Common Lisp
;;; The contents of this file are subject to the Netscape Public License
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;;; Version 1.0 (the "NPL"); you may not use this file except in
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;;; compliance with the NPL. You may obtain a copy of the NPL at
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;;; http://www.mozilla.org/NPL/
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;;;
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;;; Software distributed under the NPL is distributed on an "AS IS" basis,
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;;; WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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;;; for the specific language governing rights and limitations under the
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;;; NPL.
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;;;
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;;; The Initial Developer of this code under the NPL is Netscape
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;;; Communications Corporation. Portions created by Netscape are
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;;; Copyright (C) 1998 Netscape Communications Corporation. All Rights
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;;; Reserved.
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;;;
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;;; ECMAScript semantic calculus markup emitters
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;;;
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;;; Waldemar Horwat (waldemar@netscape.com)
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;;;
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(defvar *hide-$-nonterminals* t) ; Should rules and actions expanding nonterminals starting with $ be invisible?
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(defvar *styled-text-world*)
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(defun hidden-nonterminal? (general-nonterminal)
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(and *hide-$-nonterminals*
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(eql (first-symbol-char (general-grammar-symbol-symbol general-nonterminal)) #\$)))
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; Return true if this action call should be replaced by a plain reference to the action's nonterminal.
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(defun default-action? (action-name)
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(equal (symbol-name action-name) "$DEFAULT-ACTION"))
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;;; ------------------------------------------------------------------------------------------------------
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;;; SEMANTIC DEPICTION UTILITIES
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(defparameter *semantic-keywords*
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'(not and or is type oneof tuple action function if then else in new case of end let letexc))
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; Emit markup for one of the semantic keywords, as specified by keyword-symbol.
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(defun depict-semantic-keyword (markup-stream keyword-symbol)
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(assert-true (find keyword-symbol *semantic-keywords* :test #'eq))
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(depict-char-style (markup-stream :semantic-keyword)
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(depict markup-stream (string-downcase (symbol-name keyword-symbol)))))
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; If test is true, depict an opening parenthesis, evaluate body, and depict a closing
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; parentheses. Otherwise, just evaluate body.
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; Return the result value of body.
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(defmacro depict-optional-parentheses ((markup-stream test) &body body)
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(let ((temp (gensym "PAREN")))
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`(let ((,temp ,test))
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(when ,temp
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(depict ,markup-stream "("))
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(prog1
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(progn ,@body)
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(when ,temp
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(depict ,markup-stream ")"))))))
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;;; ------------------------------------------------------------------------------------------------------
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;;; DEPICT-ENV
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; A depict-env holds state that helps in depicting a grammar or lexer.
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(defstruct (depict-env (:constructor make-depict-env (visible-semantics)))
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(visible-semantics t :type bool) ;Nil if semantics are not to be depicted
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(grammar-info nil :type (or null grammar-info)) ;The current grammar-info or nil if none
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(seen-nonterminals nil :type (or null hash-table)) ;Hash table (nonterminal -> t) of nonterminals already depicted
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(seen-grammar-arguments nil :type (or null hash-table)) ;Hash table (grammar-argument -> t) of grammar-arguments already depicted
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(mode nil :type (member nil :syntax :semantics)) ;Current heading (:syntax or :semantics) or nil if none
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(pending-actions-reverse nil :type list)) ;Reverse-order list of closures of actions pending for a %print-actions
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(defun checked-depict-env-grammar-info (depict-env)
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(or (depict-env-grammar-info depict-env)
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(error "Grammar needed")))
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; Set the mode to the given mode, emitting a heading if necessary.
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; Return true if the contents should be visible, nil if not.
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(defun depict-mode (markup-stream depict-env mode)
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(unless (eq mode (depict-env-mode depict-env))
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(when (depict-env-visible-semantics depict-env)
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(ecase mode
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(:syntax (depict-paragraph (markup-stream ':grammar-header)
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(depict markup-stream "Syntax")))
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(:semantics (depict-paragraph (markup-stream ':grammar-header)
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(depict markup-stream "Semantics")))
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((nil))))
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(setf (depict-env-mode depict-env) mode))
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(or (depict-env-visible-semantics depict-env)
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(not (eq mode :semantics))))
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; Emit markup paragraphs for a command.
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(defun depict-command (markup-stream world depict-env command)
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(handler-bind ((error #'(lambda (condition)
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(declare (ignore condition))
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(format *error-output* "~&While depicting: ~:W~%" command))))
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(let ((depictor (and (consp command)
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(identifier? (first command))
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(get (world-intern world (first command)) :depict-command))))
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(if depictor
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(apply depictor markup-stream world depict-env (rest command))
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(error "Bad command: ~S" command)))))
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; Emit markup paragraphs for the world's commands.
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(defun depict-world-commands (markup-stream world &key (visible-semantics t))
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(let ((depict-env (make-depict-env visible-semantics)))
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(dolist (command (world-commands-source world))
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(depict-command markup-stream world depict-env command))
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(depict-clear-grammar markup-stream world depict-env)))
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;;; ------------------------------------------------------------------------------------------------------
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;;; DEPICTING TYPES
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;;; The level argument indicates what kinds of component types may be represented without being placed
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;;; in parentheses.
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(defparameter *type-level* (make-partial-order))
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(def-partial-order-element *type-level* %%primary%%) ;id, oneof, tuple, (type), {type}
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(def-partial-order-element *type-level* %%suffix%% %%primary%%) ;type[], type^
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(def-partial-order-element *type-level* %%function%% %%suffix%%) ;type x type -> type
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(defparameter %%max%% %%function%%)
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; Emit markup for the name of a type, which must be a symbol.
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; link should be one of:
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; :reference if this is a reference of this type name;
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; :external if this is an external reference of this type name;
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; :definition if this is a definition of this type name;
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; nil if this use of the type name should not be cross-referenced.
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(defun depict-type-name (markup-stream type-name link)
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(let ((name (symbol-upper-mixed-case-name type-name)))
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(depict-link (markup-stream link "T-" name nil)
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(depict-char-style (markup-stream :type-name)
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(depict markup-stream name)))))
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; Emit markup for the name of a tuple or oneof field, which must be a symbol.
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; link should be one of:
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; :reference if this is a reference of this general-nonterminal;
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; :external if this is an external reference of this general-nonterminal;
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; :definition if this is a definition of this general-nonterminal;
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; nil if this use of the general-nonterminal should not be cross-referenced.
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; type is the tuple or oneof type that contains the field or nil if not known
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; (it's only needed if link is :reference or :external).
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(defun depict-field-name (markup-stream field-name link &optional type)
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(labels
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((depict-it (markup-stream)
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(depict-char-style (markup-stream :field-name)
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(depict markup-stream (symbol-lower-mixed-case-name field-name)))))
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(if (or (eq link :reference) (eq link :external))
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(let ((type-name (type-name type)))
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(assert-true (field-type type field-name))
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(if type-name
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(depict-link (markup-stream link "T-" (symbol-upper-mixed-case-name type-name) nil)
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(depict-it markup-stream))
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(progn
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(warn "Reference to field ~S of anonymous type ~S" field-name type)
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(depict-it markup-stream))))
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(depict-it markup-stream))))
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; If level < threshold, depict an opening parenthesis, evaluate body, and depict a closing
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; parentheses. Otherwise, just evaluate body.
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; Return the result value of body.
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(defmacro depict-type-parentheses ((markup-stream level threshold) &body body)
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`(depict-optional-parentheses (,markup-stream (partial-order-< ,level ,threshold))
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,@body))
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; Emit markup for the given type expression. level is non-nil if this is a recursive
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; call to depict-type-expr for which the markup-stream's style is :type-expression.
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; In this case level indicates the binding level imposed by the enclosing type expression.
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(defun depict-type-expr (markup-stream world type-expr &optional level)
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(cond
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((identifier? type-expr)
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(let ((type-name (world-intern world type-expr)))
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(depict-type-name markup-stream type-expr (if (symbol-type-user-defined type-name) :reference :external))))
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((type? type-expr)
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(let ((type-str (print-type-to-string type-expr)))
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(warn "Depicting raw type ~A" type-str)
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(depict markup-stream "<<<" type-str ">>>")))
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(t (let ((depictor (get (world-intern world (first type-expr)) :depict-type-constructor)))
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(if level
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(apply depictor markup-stream world level (rest type-expr))
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(depict-char-style (markup-stream :type-expression)
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(apply depictor markup-stream world %%max%% (rest type-expr))))))))
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; (-> (<arg-type1> ... <arg-typen>) <result-type>)
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; "<arg-type1> x ... x <arg-typen> -> <result-type>"
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(defun depict--> (markup-stream world level arg-type-exprs result-type-expr)
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(depict-type-parentheses (markup-stream level %%function%%)
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(depict-list markup-stream
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#'(lambda (markup-stream arg-type-expr)
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(depict-type-expr markup-stream world arg-type-expr %%suffix%%))
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arg-type-exprs
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:separator '(" " :cartesian-product-10 " ")
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:empty "()")
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(depict markup-stream " " :function-arrow-10 " ")
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(depict-type-expr markup-stream world result-type-expr %%suffix%%)))
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; (vector <element-type>)
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; "<element-type>[]"
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(defun depict-vector (markup-stream world level element-type-expr)
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(depict-type-parentheses (markup-stream level %%suffix%%)
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(depict-type-expr markup-stream world element-type-expr %%suffix%%)
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(depict markup-stream "[]")))
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; (set <element-type>)
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; "{<element-type>}"
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(defun depict-set (markup-stream world level element-type-expr)
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(declare (ignore level))
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(depict markup-stream "{")
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(depict-type-expr markup-stream world element-type-expr %%max%%)
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(depict markup-stream "}"))
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; (address <element-type>)
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; "<element-type>^"
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(defun depict-address (markup-stream world level element-type-expr)
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(depict-type-parentheses (markup-stream level %%suffix%%)
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(depict-type-expr markup-stream world element-type-expr %%suffix%%)
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(depict markup-stream :up-arrow-10)))
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(defun depict-tuple-or-oneof (markup-stream world keyword-symbol tag-pairs)
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(depict-semantic-keyword markup-stream keyword-symbol)
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(depict-list
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markup-stream
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#'(lambda (markup-stream tag-pair)
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(if (identifier? tag-pair)
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(depict-field-name markup-stream tag-pair :definition)
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(progn
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(depict-field-name markup-stream (first tag-pair) :definition)
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(depict markup-stream ": ")
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(depict-type-expr markup-stream world (second tag-pair) %%max%%))))
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tag-pairs
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:indent 6
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:prefix " {"
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:prefix-break 0
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:suffix "}"
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:separator ";"
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:break 1
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:empty nil))
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; (oneof (<tag1> <type1>) ... (<tagn> <typen>))
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; "ONEOF{<tag1>: <type1>; ...; <tagn>:<typen>}"
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(defun depict-oneof (markup-stream world level &rest tags-and-types)
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(declare (ignore level))
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(depict-tuple-or-oneof markup-stream world 'oneof tags-and-types))
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; (tuple (<tag1> <type1>) ... (<tagn> <typen>))
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; "TUPLE{<tag1>: <type1>; ...; <tagn>:<typen>}"
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(defun depict-tuple (markup-stream world level &rest tags-and-types)
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(declare (ignore level))
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(depict-tuple-or-oneof markup-stream world 'tuple tags-and-types))
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;;; ------------------------------------------------------------------------------------------------------
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;;; DEPICTING EXPRESSIONS
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;;; The level argument indicates what kinds of subexpressions may be represented without being placed
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;;; in parentheses (or on a separate line for the case of function and if/then/else).
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; If primitive-level is not a superset of threshold, depict an opening parenthesis,
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; evaluate body, and depict a closing parentheses. Otherwise, just evaluate body.
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; Return the result value of body.
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(defmacro depict-expr-parentheses ((markup-stream primitive-level threshold) &body body)
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`(depict-optional-parentheses (,markup-stream (partial-order-< ,primitive-level ,threshold))
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,@body))
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; Emit markup for the name of a global variable, which must be a symbol.
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; link should be one of:
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; :reference if this is a reference of this global variable;
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; :external if this is an external reference of this global variable;
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; :definition if this is a definition of this global variable;
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; nil if this use of the global variable should not be cross-referenced.
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(defun depict-global-variable (markup-stream global-name link)
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(let ((name (symbol-lower-mixed-case-name global-name)))
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(depict-link (markup-stream link "V-" name nil)
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(depict-char-style (markup-stream :global-variable)
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(depict markup-stream name)))))
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; Emit markup for the name of a local variable, which must be a symbol.
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(defun depict-local-variable (markup-stream name)
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(depict-char-style (markup-stream :local-variable)
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(depict markup-stream (symbol-lower-mixed-case-name name))))
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; Emit markup for the name of an action, which must be a symbol.
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(defun depict-action-name (markup-stream action-name)
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(depict-char-style (markup-stream :action-name)
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(depict markup-stream (symbol-upper-mixed-case-name action-name))))
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; Emit markup for the value constant.
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(defun depict-constant (markup-stream constant)
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(cond
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((integerp constant)
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(depict-integer markup-stream constant))
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((floatp constant)
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(depict markup-stream (format nil (if (= constant (floor constant 1)) "~,1F" "~F") constant)))
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((characterp constant)
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(depict markup-stream ':left-single-quote)
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(depict-char-style (markup-stream ':character-literal)
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(depict-character markup-stream constant nil))
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(depict markup-stream ':right-single-quote))
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((stringp constant)
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(depict-string markup-stream constant))
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(t (error "Bad constant ~S" constant))))
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; Emit markup for the primitive when it is not called in a function call.
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(defun depict-primitive (markup-stream primitive)
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(unless (eq (primitive-appearance primitive) ':global)
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(error "Can't depict primitive ~S outside a call" primitive))
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(let ((markup (primitive-markup1 primitive))
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(external-name (primitive-markup2 primitive)))
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(if external-name
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(depict-link (markup-stream :external "V-" external-name nil)
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(depict-item-or-group-list markup-stream markup))
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(depict-item-or-group-list markup-stream markup))))
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; Emit markup for the parameters to a function call.
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(defun depict-call-parameters (markup-stream world annotated-parameters)
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(depict-list markup-stream
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#'(lambda (markup-stream parameter)
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(depict-annotated-value-expr markup-stream world parameter))
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annotated-parameters
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:indent 4
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:prefix "("
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:prefix-break 0
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:suffix ")"
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:separator ","
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:break 1
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:empty nil))
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; Emit markup for the function or primitive call. level indicates the binding level imposed
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; by the enclosing expression.
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(defun depict-call (markup-stream world level annotated-function-expr &rest annotated-arg-exprs)
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(if (eq (first annotated-function-expr) 'expr-annotation:primitive)
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(let ((primitive (symbol-primitive (second annotated-function-expr))))
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(depict-expr-parentheses (markup-stream level (primitive-level primitive))
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(ecase (primitive-appearance primitive)
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(:global
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(depict-primitive markup-stream primitive)
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(depict-call-parameters markup-stream world annotated-arg-exprs))
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(:infix
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(assert-true (= (length annotated-arg-exprs) 2))
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(depict-logical-block (markup-stream 0)
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(depict-annotated-value-expr markup-stream world (first annotated-arg-exprs) (primitive-level1 primitive))
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(let ((spaces (primitive-markup2 primitive)))
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(when spaces
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(depict-space markup-stream))
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(depict-item-or-group-list markup-stream (primitive-markup1 primitive))
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(depict-break markup-stream (if spaces 1 0)))
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(depict-annotated-value-expr markup-stream world (second annotated-arg-exprs) (primitive-level2 primitive))))
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(:unary
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(assert-true (= (length annotated-arg-exprs) 1))
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(depict-item-or-group-list markup-stream (primitive-markup1 primitive))
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(depict-annotated-value-expr markup-stream world (first annotated-arg-exprs) (primitive-level1 primitive))
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(depict-item-or-group-list markup-stream (primitive-markup2 primitive)))
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(:phantom
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(assert-true (= (length annotated-arg-exprs) 1))
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(depict-annotated-value-expr markup-stream world (first annotated-arg-exprs) level)))))
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(depict-expr-parentheses (markup-stream level %suffix%)
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(depict-annotated-value-expr markup-stream world annotated-function-expr %suffix%)
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(depict-call-parameters markup-stream world annotated-arg-exprs))))
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; Emit markup for the reference to the action on the given general grammar symbol.
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(defun depict-action-reference (markup-stream action-name general-grammar-symbol &optional index)
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(let ((action-default (default-action? action-name)))
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(unless action-default
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(depict-action-name markup-stream action-name)
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(depict markup-stream :action-begin))
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(depict-general-grammar-symbol markup-stream general-grammar-symbol :reference index)
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(unless action-default
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(depict markup-stream :action-end))))
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; Emit markup for the given annotated value expression. level indicates the binding level imposed
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; by the enclosing expression.
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(defun depict-annotated-value-expr (markup-stream world annotated-expr &optional (level %expr%))
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(let ((annotation (first annotated-expr))
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(args (rest annotated-expr)))
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(ecase annotation
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(expr-annotation:constant (depict-constant markup-stream (first args)))
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(expr-annotation:primitive (depict-primitive markup-stream (symbol-primitive (first args))))
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(expr-annotation:local (depict-local-variable markup-stream (first args)))
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(expr-annotation:global (depict-global-variable markup-stream (first args) :reference))
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(expr-annotation:call (apply #'depict-call markup-stream world level args))
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(expr-annotation:action (apply #'depict-action-reference markup-stream args))
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(expr-annotation:special-form
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(apply (get (first args) :depict-special-form) markup-stream world level (rest args)))
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(expr-annotation:macro
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(let ((depictor (get (first args) :depict-macro)))
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(if depictor
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(apply depictor markup-stream world level (rest args))
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(depict-annotated-value-expr markup-stream world (second args) level)))))))
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;;; ------------------------------------------------------------------------------------------------------
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;;; DEPICTING SPECIAL FORMS
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(defmacro depict-statement ((markup-stream keyword &optional (space t)) &body body)
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`(depict-logical-block (,markup-stream 0)
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(when (partial-order-< level %stmt%)
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(depict-break ,markup-stream))
|
|
(depict-expr-parentheses (,markup-stream level %stmt%)
|
|
(depict-semantic-keyword ,markup-stream ,keyword)
|
|
,@(and space `((depict-space ,markup-stream)))
|
|
,@body)))
|
|
|
|
|
|
; (bottom <type>)
|
|
(defun depict-bottom (markup-stream world level type-expr)
|
|
(declare (ignore world level type-expr))
|
|
(depict markup-stream ':bottom-10))
|
|
|
|
|
|
(defun depict-function-bindings (markup-stream world arg-binding-exprs)
|
|
(depict-list markup-stream
|
|
#'(lambda (markup-stream arg-binding)
|
|
(depict-local-variable markup-stream (first arg-binding))
|
|
(depict markup-stream ": ")
|
|
(depict-type-expr markup-stream world (second arg-binding)))
|
|
arg-binding-exprs
|
|
:prefix "("
|
|
:suffix ")"
|
|
:separator ", "
|
|
:empty nil))
|
|
|
|
; (function ((<var1> <type1> [:unused]) ... (<varn> <typen> [:unused])) <body>)
|
|
(defun depict-function (markup-stream world level arg-binding-exprs body-annotated-expr)
|
|
(depict-statement (markup-stream 'function nil)
|
|
(depict-function-bindings markup-stream world arg-binding-exprs)
|
|
(depict-logical-block (markup-stream 4)
|
|
(depict-break markup-stream)
|
|
(depict-annotated-value-expr markup-stream world body-annotated-expr %stmt%))))
|
|
|
|
|
|
; (if <condition-expr> <true-expr> <false-expr>)
|
|
(defun depict-if (markup-stream world level condition-annotated-expr true-annotated-expr false-annotated-expr)
|
|
(depict-statement (markup-stream 'if)
|
|
(depict-logical-block (markup-stream 4)
|
|
(depict-annotated-value-expr markup-stream world condition-annotated-expr))
|
|
(depict-break markup-stream)
|
|
(depict-semantic-keyword markup-stream 'then)
|
|
(depict-space markup-stream)
|
|
(depict-logical-block (markup-stream 7)
|
|
(depict-annotated-value-expr markup-stream world true-annotated-expr %stmt%))
|
|
(depict-break markup-stream)
|
|
(depict-semantic-keyword markup-stream 'else)
|
|
(depict-space markup-stream)
|
|
(depict-logical-block (markup-stream (if (special-form-annotated-expr? 'if false-annotated-expr) nil 6))
|
|
(depict-annotated-value-expr markup-stream world false-annotated-expr %stmt%))))
|
|
|
|
|
|
;;; Vectors
|
|
|
|
; (vector <element-expr> <element-expr> ... <element-expr>)
|
|
(defun depict-vector-form (markup-stream world level &rest element-annotated-exprs)
|
|
(declare (ignore level))
|
|
(depict-list markup-stream
|
|
#'(lambda (markup-stream element-annotated-expr)
|
|
(depict-annotated-value-expr markup-stream world element-annotated-expr))
|
|
element-annotated-exprs
|
|
:indent 1
|
|
:prefix ':vector-begin
|
|
:suffix ':vector-end
|
|
:separator ","
|
|
:break 1))
|
|
|
|
|
|
(defun depict-subscript-type-expr (markup-stream world type-expr)
|
|
(depict-char-style (markup-stream 'sub)
|
|
(depict-type-expr markup-stream world type-expr)))
|
|
|
|
|
|
; (vector-of <element-type>)
|
|
(defun depict-vector-of (markup-stream world level element-type-expr)
|
|
(declare (ignore level))
|
|
(depict markup-stream ':empty-vector)
|
|
(depict-subscript-type-expr markup-stream world element-type-expr))
|
|
|
|
|
|
#|
|
|
(defun depict-special-function (markup-stream world name-str &rest arg-annotated-exprs)
|
|
(depict-link (markup-stream :external "V-" name-str nil)
|
|
(depict-char-style (markup-stream :global-variable)
|
|
(depict markup-stream name-str)))
|
|
(depict-call-parameters markup-stream world arg-annotated-exprs))
|
|
|#
|
|
|
|
|
|
; (empty <vector-expr>)
|
|
(defun depict-empty (markup-stream world level vector-annotated-expr)
|
|
(depict-expr-parentheses (markup-stream level %relational%)
|
|
(depict-logical-block (markup-stream 0)
|
|
(depict-length markup-stream world %term% vector-annotated-expr)
|
|
(depict markup-stream " = ")
|
|
(depict-constant markup-stream 0))))
|
|
|
|
|
|
; (length <vector-expr>)
|
|
(defun depict-length (markup-stream world level vector-annotated-expr)
|
|
(declare (ignore level))
|
|
(depict markup-stream "|")
|
|
(depict-annotated-value-expr markup-stream world vector-annotated-expr)
|
|
(depict markup-stream "|"))
|
|
|
|
|
|
; (nth <vector-expr> <n-expr>)
|
|
(defun depict-nth (markup-stream world level vector-annotated-expr n-annotated-expr)
|
|
(depict-expr-parentheses (markup-stream level %suffix%)
|
|
(depict-annotated-value-expr markup-stream world vector-annotated-expr %suffix%)
|
|
(depict markup-stream "[")
|
|
(depict-annotated-value-expr markup-stream world n-annotated-expr)
|
|
(depict markup-stream "]")))
|
|
|
|
|
|
; (subseq <vector-expr> <low-expr> [<high-expr>])
|
|
(defun depict-subseq (markup-stream world level vector-annotated-expr low-annotated-expr high-annotated-expr)
|
|
(depict-expr-parentheses (markup-stream level %suffix%)
|
|
(depict-annotated-value-expr markup-stream world vector-annotated-expr %suffix%)
|
|
(depict-logical-block (markup-stream 4)
|
|
(depict markup-stream "[")
|
|
(depict-annotated-value-expr markup-stream world low-annotated-expr)
|
|
(depict markup-stream " ...")
|
|
(when high-annotated-expr
|
|
(depict-break markup-stream 1)
|
|
(depict-annotated-value-expr markup-stream world high-annotated-expr))
|
|
(depict markup-stream "]"))))
|
|
|
|
|
|
; (set-nth <vector-expr> <n-expr> <value-expr>)
|
|
(defun depict-set-nth (markup-stream world level vector-annotated-expr n-annotated-expr value-annotated-expr)
|
|
(depict-expr-parentheses (markup-stream level %suffix%)
|
|
(depict-annotated-value-expr markup-stream world vector-annotated-expr %suffix%)
|
|
(depict-logical-block (markup-stream 4)
|
|
(depict markup-stream "[")
|
|
(depict-annotated-value-expr markup-stream world n-annotated-expr)
|
|
(depict markup-stream " " :vector-assign-10)
|
|
(depict-break markup-stream 1)
|
|
(depict-annotated-value-expr markup-stream world value-annotated-expr)
|
|
(depict markup-stream "]"))))
|
|
|
|
|
|
; (append <vector-expr> <vector-expr>)
|
|
(defun depict-append (markup-stream world level vector1-annotated-expr vector2-annotated-expr)
|
|
(depict-expr-parentheses (markup-stream level %term%)
|
|
(depict-logical-block (markup-stream 0)
|
|
(depict-annotated-value-expr markup-stream world vector1-annotated-expr %term%)
|
|
(depict markup-stream " " :vector-append)
|
|
(depict-break markup-stream 1)
|
|
(depict-annotated-value-expr markup-stream world vector2-annotated-expr %term%))))
|
|
|
|
|
|
;;; Sets
|
|
|
|
; (set-of-ranges <element-type> <low-expr> <high-expr> ... <low-expr> <high-expr>)
|
|
(defun depict-set-of-ranges (markup-stream world level element-type-expr &rest element-annotated-exprs)
|
|
(declare (ignore level))
|
|
(labels
|
|
((combine-exprs (element-annotated-exprs)
|
|
(if (endp element-annotated-exprs)
|
|
nil
|
|
(acons (first element-annotated-exprs) (second element-annotated-exprs)
|
|
(combine-exprs (cddr element-annotated-exprs))))))
|
|
(depict-list markup-stream
|
|
#'(lambda (markup-stream element-annotated-expr-range)
|
|
(let ((element-annotated-expr1 (car element-annotated-expr-range))
|
|
(element-annotated-expr2 (cdr element-annotated-expr-range)))
|
|
(depict-annotated-value-expr markup-stream world element-annotated-expr1)
|
|
(when element-annotated-expr2
|
|
(depict markup-stream " ...")
|
|
(depict-break markup-stream 1)
|
|
(depict-annotated-value-expr markup-stream world element-annotated-expr2))))
|
|
(combine-exprs element-annotated-exprs)
|
|
:indent 1
|
|
:prefix "{"
|
|
:suffix "}"
|
|
:separator ","
|
|
:break 1
|
|
:empty nil)
|
|
(when (null element-annotated-exprs)
|
|
(depict-subscript-type-expr markup-stream world element-type-expr))))
|
|
|
|
|
|
;;; Oneofs
|
|
|
|
; (oneof <tag> <value-expr> [type])
|
|
; [type] was added by scan-oneof-form.
|
|
(defun depict-oneof-form (markup-stream world level tag value-annotated-expr type)
|
|
(depict-expr-parentheses (markup-stream level %prefix%)
|
|
(depict-field-name markup-stream tag :reference type)
|
|
(when value-annotated-expr
|
|
(depict-logical-block (markup-stream 4)
|
|
(depict-break markup-stream 1)
|
|
(depict-annotated-value-expr markup-stream world value-annotated-expr %unary%)))))
|
|
|
|
|
|
; (typed-oneof <type-expr> <tag> <value-expr> [type])
|
|
(defun depict-typed-oneof (markup-stream world level type-expr tag value-annotated-expr type)
|
|
(depict-expr-parentheses (markup-stream level %prefix%)
|
|
(depict-field-name markup-stream tag :reference type)
|
|
(depict-subscript-type-expr markup-stream world type-expr)
|
|
(when value-annotated-expr
|
|
(depict-logical-block (markup-stream 4)
|
|
(depict-break markup-stream 1)
|
|
(depict-annotated-value-expr markup-stream world value-annotated-expr %unary%)))))
|
|
|
|
|
|
; (case <oneof-expr> [oneof-expr-type] (<tag-spec> <value-expr>) (<tag-spec> <value-expr>) ... (<tag-spec> <value-expr>))
|
|
; where each <tag-spec> is either ((<tag> <tag> ... <tag>) nil nil) or ((<tag>) <var> <type>)
|
|
(defun depict-case (markup-stream world level oneof-annotated-expr oneof-expr-type &rest annotated-cases)
|
|
(depict-statement (markup-stream 'case)
|
|
(depict-logical-block (markup-stream 6)
|
|
(depict-annotated-value-expr markup-stream world oneof-annotated-expr))
|
|
(depict-space markup-stream)
|
|
(depict-semantic-keyword markup-stream 'of)
|
|
(depict-logical-block (markup-stream 3)
|
|
(mapl #'(lambda (annotated-cases)
|
|
(let* ((annotated-case (first annotated-cases))
|
|
(tag-spec (first annotated-case))
|
|
(tags (first tag-spec))
|
|
(var (second tag-spec))
|
|
(value-annotated-expr (second annotated-case)))
|
|
(depict-break markup-stream)
|
|
(depict-logical-block (markup-stream 6)
|
|
(depict-list markup-stream
|
|
#'(lambda (markup-stream field-name)
|
|
(depict-field-name markup-stream field-name :reference oneof-expr-type))
|
|
tags
|
|
:indent 0
|
|
:separator ","
|
|
:break 1)
|
|
(when var
|
|
(depict markup-stream "(")
|
|
(depict-local-variable markup-stream var)
|
|
(depict markup-stream ": ")
|
|
(depict-type-expr markup-stream world (third tag-spec))
|
|
(depict markup-stream ")"))
|
|
(depict markup-stream ":")
|
|
(depict-break markup-stream 1)
|
|
(depict-annotated-value-expr markup-stream world value-annotated-expr %stmt%)
|
|
(when (cdr annotated-cases)
|
|
(depict markup-stream ";")))))
|
|
annotated-cases)
|
|
(depict-break markup-stream)
|
|
(depict-semantic-keyword markup-stream 'end))))
|
|
|
|
|
|
; (select <tag> <oneof-expr> [oneof-expr-type])
|
|
; (& <tag> <tuple-expr> [tuple-expr-type])
|
|
(defun depict-select-or-& (markup-stream world level tag annotated-expr expr-type)
|
|
(depict-expr-parentheses (markup-stream level %suffix%)
|
|
(depict-annotated-value-expr markup-stream world annotated-expr %suffix%)
|
|
(depict markup-stream ".")
|
|
(depict-field-name markup-stream tag :reference expr-type)))
|
|
|
|
|
|
; (is <tag> <oneof-expr> [oneof-expr-type])
|
|
(defun depict-is (markup-stream world level tag oneof-annotated-expr oneof-expr-type)
|
|
(depict-expr-parentheses (markup-stream level %relational%)
|
|
(depict-annotated-value-expr markup-stream world oneof-annotated-expr %suffix%)
|
|
(depict-space markup-stream)
|
|
(depict-semantic-keyword markup-stream 'is)
|
|
(depict-space markup-stream)
|
|
(depict-field-name markup-stream tag :reference oneof-expr-type)))
|
|
|
|
|
|
;;; Tuples
|
|
|
|
; (tuple <tuple-type> [type] <field-expr1> ... <field-exprn>)
|
|
(defun depict-tuple-form (markup-stream world level type-expr type &rest annotated-exprs)
|
|
(declare (ignore level type-expr))
|
|
(let ((tags (type-tags type)))
|
|
(assert-true (= (length tags) (length annotated-exprs)))
|
|
(depict-list markup-stream
|
|
#'(lambda (markup-stream parameter)
|
|
(let ((tag (pop tags)))
|
|
(depict-field-name markup-stream tag :reference type)
|
|
(depict-logical-block (markup-stream 4)
|
|
(depict-break markup-stream 1)
|
|
(depict-annotated-value-expr markup-stream world parameter %unary%))))
|
|
annotated-exprs
|
|
:indent 4
|
|
:prefix ':tuple-begin
|
|
:prefix-break 0
|
|
:suffix ':tuple-end
|
|
:separator ","
|
|
:break 1
|
|
:empty nil)))
|
|
|
|
|
|
;;; Addresses
|
|
|
|
; (new <value-expr>)
|
|
(defun depict-new (markup-stream world level value-annotated-expr)
|
|
(depict-logical-block (markup-stream 5)
|
|
(depict-semantic-keyword markup-stream 'new)
|
|
(depict-space markup-stream)
|
|
(depict-expr-parentheses (markup-stream level %unparenthesized-new%)
|
|
(depict-annotated-value-expr markup-stream world value-annotated-expr
|
|
(if (partial-order-< level %unparenthesized-new%) %expr% %prefix%)))))
|
|
|
|
|
|
; (@ <address-expr>)
|
|
(defun depict-@ (markup-stream world level address-annotated-expr)
|
|
(depict-expr-parentheses (markup-stream level %prefix%)
|
|
(depict-logical-block (markup-stream 2)
|
|
(depict markup-stream "@")
|
|
(depict-annotated-value-expr markup-stream world address-annotated-expr %prefix%))))
|
|
|
|
|
|
; (@= <address-expr> <value-expr>)
|
|
(defun depict-@= (markup-stream world level address-annotated-expr value-annotated-expr)
|
|
(depict-expr-parentheses (markup-stream level %stmt%)
|
|
(depict-logical-block (markup-stream 0)
|
|
(depict markup-stream "@")
|
|
(depict-annotated-value-expr markup-stream world address-annotated-expr %prefix%)
|
|
(depict markup-stream " :=")
|
|
(depict-logical-block (markup-stream 6)
|
|
(depict-break markup-stream 1)
|
|
(depict-annotated-value-expr markup-stream world value-annotated-expr %stmt%)))))
|
|
|
|
|
|
; (address-equal <address-expr1> <address-expr2>)
|
|
(defun depict-address-equal (markup-stream world level address1-annotated-expr address2-annotated-expr)
|
|
(depict-expr-parentheses (markup-stream level %relational%)
|
|
(depict-logical-block (markup-stream 0)
|
|
(depict-annotated-value-expr markup-stream world address1-annotated-expr %term%)
|
|
(depict markup-stream " " :identical-10)
|
|
(depict-break markup-stream 1)
|
|
(depict-annotated-value-expr markup-stream world address2-annotated-expr %term%))))
|
|
|
|
|
|
;;; Macros
|
|
|
|
(defun depict-let-binding (markup-stream world var type-expr value-annotated-expr)
|
|
(depict-logical-block (markup-stream 4)
|
|
(depict-local-variable markup-stream var)
|
|
(depict markup-stream ": ")
|
|
(depict-type-expr markup-stream world type-expr)
|
|
(depict-break markup-stream 1)
|
|
(depict-logical-block (markup-stream 3)
|
|
(depict markup-stream "= ")
|
|
(depict-annotated-value-expr markup-stream world value-annotated-expr %stmt%))))
|
|
|
|
|
|
(defun depict-let-body (markup-stream world body-annotated-expr)
|
|
(depict-break markup-stream)
|
|
(depict-semantic-keyword markup-stream 'in)
|
|
(depict-space markup-stream)
|
|
(depict-logical-block (markup-stream (if (or (macro-annotated-expr? 'let body-annotated-expr)
|
|
(macro-annotated-expr? 'letexc body-annotated-expr))
|
|
nil
|
|
4))
|
|
(depict-annotated-value-expr markup-stream world body-annotated-expr %stmt%)))
|
|
|
|
|
|
; (let ((<var1> <type1> <expr1> [:unused]) ... (<varn> <typen> <exprn> [:unused])) <body>) ==>
|
|
; ((function ((<var1> <type1> [:unused]) ... (<varn> <typen> [:unused])) <body>) <expr1> ... <exprn>)
|
|
(defun depict-let (markup-stream world level annotated-expansion)
|
|
(assert-true (eq (first annotated-expansion) 'expr-annotation:call))
|
|
(let ((function-annotated-expr (second annotated-expansion))
|
|
(arg-annotated-exprs (cddr annotated-expansion)))
|
|
(assert-true (special-form-annotated-expr? 'function function-annotated-expr))
|
|
(let ((arg-binding-exprs (third function-annotated-expr))
|
|
(body-annotated-expr (fourth function-annotated-expr)))
|
|
(depict-statement (markup-stream 'let)
|
|
(depict-list markup-stream
|
|
#'(lambda (markup-stream arg-binding)
|
|
(depict-let-binding markup-stream world (first arg-binding) (second arg-binding) (pop arg-annotated-exprs)))
|
|
arg-binding-exprs
|
|
:indent 4
|
|
:separator ";"
|
|
:break t
|
|
:empty nil)
|
|
(depict-let-body markup-stream world body-annotated-expr)))))
|
|
|
|
|
|
; (letexc (<var> <type> <expr> [:unused]) <body>) ==>
|
|
; (case <expr> [expr-type]
|
|
; ((abrupt x exception) (typed-oneof <body-type> abrupt x [body-type]))
|
|
; ((normal <var> <type> [:unused]) <body>)))
|
|
(defun depict-letexc (markup-stream world level annotated-expansion)
|
|
(assert-true (special-form-annotated-expr? 'case annotated-expansion))
|
|
(let* ((expr-annotated-expr (third annotated-expansion))
|
|
(abrupt-binding (fifth annotated-expansion))
|
|
(abrupt-tag-spec (first abrupt-binding))
|
|
(normal-binding (sixth annotated-expansion))
|
|
(normal-tag-spec (first normal-binding)))
|
|
(assert-true (equal (first abrupt-tag-spec) '(abrupt)))
|
|
(assert-true (equal (first normal-tag-spec) '(normal)))
|
|
(let* ((var (second normal-tag-spec))
|
|
(type-expr (third normal-tag-spec))
|
|
(body-annotated-expr (second normal-binding)))
|
|
(depict-statement (markup-stream 'letexc)
|
|
(depict-logical-block (markup-stream 9)
|
|
(depict-let-binding markup-stream world var type-expr expr-annotated-expr))
|
|
(depict-let-body markup-stream world body-annotated-expr)))))
|
|
|
|
|
|
;;; ------------------------------------------------------------------------------------------------------
|
|
;;; DEPICTING COMMANDS
|
|
|
|
|
|
(defmacro depict-semantics ((markup-stream depict-env &optional (paragraph-style ':semantics)) &body body)
|
|
`(when (depict-mode ,markup-stream ,depict-env :semantics)
|
|
(depict-paragraph (,markup-stream ,paragraph-style)
|
|
,@body)))
|
|
|
|
|
|
; (%section "section-name")
|
|
(defun depict-%section (markup-stream world depict-env section-name)
|
|
(declare (ignore world))
|
|
(assert-type section-name string)
|
|
(when (depict-mode markup-stream depict-env nil)
|
|
(depict-paragraph (markup-stream ':section-heading)
|
|
(depict markup-stream section-name))))
|
|
|
|
|
|
; (%subsection "subsection-name")
|
|
(defun depict-%subsection (markup-stream world depict-env section-name)
|
|
(declare (ignore world))
|
|
(assert-type section-name string)
|
|
(when (depict-mode markup-stream depict-env nil)
|
|
(depict-paragraph (markup-stream ':subsection-heading)
|
|
(depict markup-stream section-name))))
|
|
|
|
|
|
; (%text <mode> . <styled-text>)
|
|
; <mode> is one of:
|
|
; :syntax This is a comment about the syntax
|
|
; :semantics This is a comment about the semantics (not displayed when semantics are not displayed)
|
|
; nil This is a general comment
|
|
(defun depict-%text (markup-stream world depict-env mode &rest text)
|
|
(when (depict-mode markup-stream depict-env mode)
|
|
(depict-paragraph (markup-stream ':body-text)
|
|
(let ((grammar-info (depict-env-grammar-info depict-env))
|
|
(*styled-text-world* world))
|
|
(if grammar-info
|
|
(let ((*styled-text-grammar-parametrization* (grammar-info-grammar grammar-info)))
|
|
(depict-styled-text markup-stream text))
|
|
(depict-styled-text markup-stream text))))))
|
|
|
|
|
|
; (grammar-argument <argument> <attribute> <attribute> ... <attribute>)
|
|
(defun depict-grammar-argument (markup-stream world depict-env argument &rest attributes)
|
|
(declare (ignore world))
|
|
(let ((seen-grammar-arguments (depict-env-seen-grammar-arguments depict-env))
|
|
(abbreviated-argument (symbol-abbreviation argument)))
|
|
(unless (gethash abbreviated-argument seen-grammar-arguments)
|
|
(when (depict-mode markup-stream depict-env :syntax)
|
|
(depict-paragraph (markup-stream :grammar-argument)
|
|
(depict-nonterminal-argument markup-stream argument)
|
|
(depict markup-stream " " :member-10 " ")
|
|
(depict-list markup-stream
|
|
#'(lambda (markup-stream attribute)
|
|
(depict-nonterminal-attribute markup-stream attribute))
|
|
attributes
|
|
:prefix "{"
|
|
:suffix "}"
|
|
:separator ", ")))
|
|
(setf (gethash abbreviated-argument seen-grammar-arguments) t))))
|
|
|
|
|
|
; (%rule <general-nonterminal-source>)
|
|
(defun depict-%rule (markup-stream world depict-env general-nonterminal-source)
|
|
(declare (ignore world))
|
|
(let* ((grammar-info (checked-depict-env-grammar-info depict-env))
|
|
(grammar (grammar-info-grammar grammar-info))
|
|
(general-nonterminal (grammar-parametrization-intern grammar general-nonterminal-source))
|
|
(seen-nonterminals (depict-env-seen-nonterminals depict-env)))
|
|
(when (grammar-info-charclass grammar-info general-nonterminal)
|
|
(error "Shouldn't use %rule on a lexer charclass nonterminal ~S" general-nonterminal))
|
|
(labels
|
|
((seen-nonterminal? (nonterminal)
|
|
(gethash nonterminal seen-nonterminals)))
|
|
(unless (or (hidden-nonterminal? general-nonterminal)
|
|
(every #'seen-nonterminal? (general-grammar-symbol-instances grammar general-nonterminal)))
|
|
(let ((visible (depict-mode markup-stream depict-env :syntax)))
|
|
(dolist (general-rule (grammar-general-rules grammar general-nonterminal))
|
|
(let ((rule-lhs-nonterminals (general-grammar-symbol-instances grammar (general-rule-lhs general-rule))))
|
|
(unless (every #'seen-nonterminal? rule-lhs-nonterminals)
|
|
(when (some #'seen-nonterminal? rule-lhs-nonterminals)
|
|
(warn "General rule for ~S listed before specific ones; use %rule to disambiguate" general-nonterminal))
|
|
(when visible
|
|
(depict-general-rule markup-stream general-rule))
|
|
(dolist (nonterminal rule-lhs-nonterminals)
|
|
(setf (gethash nonterminal seen-nonterminals) t))))))))))
|
|
;******** May still have a problem when a specific rule precedes a general one.
|
|
|
|
|
|
; (%charclass <nonterminal>)
|
|
(defun depict-%charclass (markup-stream world depict-env nonterminal-source)
|
|
(let* ((grammar-info (checked-depict-env-grammar-info depict-env))
|
|
(grammar (grammar-info-grammar grammar-info))
|
|
(nonterminal (grammar-parametrization-intern grammar nonterminal-source))
|
|
(charclass (grammar-info-charclass grammar-info nonterminal)))
|
|
(unless charclass
|
|
(error "%charclass with a non-charclass ~S" nonterminal))
|
|
(if (gethash nonterminal (depict-env-seen-nonterminals depict-env))
|
|
(warn "Duplicate charclass ~S" nonterminal)
|
|
(progn
|
|
(when (depict-mode markup-stream depict-env :syntax)
|
|
(depict-charclass markup-stream charclass)
|
|
(dolist (action-cons (charclass-actions charclass))
|
|
(depict-charclass-action world depict-env (car action-cons) (cdr action-cons) nonterminal)))
|
|
(setf (gethash nonterminal (depict-env-seen-nonterminals depict-env)) t)))))
|
|
|
|
|
|
; (%print-actions)
|
|
(defun depict-%print-actions (markup-stream world depict-env)
|
|
(declare (ignore world))
|
|
(dolist (pending-action (nreverse (depict-env-pending-actions-reverse depict-env)))
|
|
(funcall pending-action markup-stream depict-env))
|
|
(setf (depict-env-pending-actions-reverse depict-env) nil))
|
|
|
|
|
|
; (deftype <name> <type>)
|
|
(defun depict-deftype (markup-stream world depict-env name type-expr)
|
|
(depict-semantics (markup-stream depict-env)
|
|
(depict-logical-block (markup-stream 2)
|
|
(depict-semantic-keyword markup-stream 'type)
|
|
(depict-space markup-stream)
|
|
(depict-type-name markup-stream name :definition)
|
|
(depict-break markup-stream 1)
|
|
(depict-logical-block (markup-stream 3)
|
|
(depict markup-stream "= ")
|
|
(depict-type-expr markup-stream world type-expr)))))
|
|
|
|
|
|
; (define <name> <type> <value> <destructured>)
|
|
; <destructured> is a flag that is true if this define was originally in the form
|
|
; (define (<name> (<arg1> <type1>) ... (<argn> <typen>)) <result-type> <value>)
|
|
; and converted into
|
|
; (define <name> (-> (<type1> ... <typen>) <result-type>)
|
|
; (function ((<arg1> <type1>) ... (<argn> <typen>)) <value>)
|
|
; t)
|
|
(defun depict-define (markup-stream world depict-env name type-expr value-expr destructured)
|
|
(depict-semantics (markup-stream depict-env)
|
|
(depict-logical-block (markup-stream 2)
|
|
(depict-global-variable markup-stream name :definition)
|
|
(flet
|
|
((depict-type-and-value (markup-stream type-expr annotated-value-expr)
|
|
(depict-logical-block (markup-stream 0)
|
|
(depict-break markup-stream 1)
|
|
(depict markup-stream ": ")
|
|
(depict-type-expr markup-stream world type-expr))
|
|
(depict-break markup-stream 1)
|
|
(depict-logical-block (markup-stream 3)
|
|
(depict markup-stream "= ")
|
|
(depict-annotated-value-expr markup-stream world annotated-value-expr %max%))))
|
|
|
|
(let ((annotated-value-expr (nth-value 2 (scan-value world *null-type-env* value-expr))))
|
|
(if destructured
|
|
(progn
|
|
(assert-true (eq (first type-expr) '->))
|
|
(assert-true (special-form-annotated-expr? 'function annotated-value-expr))
|
|
(depict-function-bindings markup-stream world (third annotated-value-expr))
|
|
(depict-type-and-value markup-stream (third type-expr) (fourth annotated-value-expr)))
|
|
(depict-type-and-value markup-stream type-expr annotated-value-expr)))))))
|
|
|
|
|
|
; (set-grammar <name>)
|
|
(defun depict-set-grammar (markup-stream world depict-env name)
|
|
(depict-clear-grammar markup-stream world depict-env)
|
|
(let ((grammar-info (world-grammar-info world name)))
|
|
(unless grammar-info
|
|
(error "Unknown grammar ~A" name))
|
|
(setf (depict-env-grammar-info depict-env) grammar-info)
|
|
(setf (depict-env-seen-nonterminals depict-env) (make-hash-table :test #'eq))
|
|
(setf (depict-env-seen-grammar-arguments depict-env) (make-hash-table :test #'eq))))
|
|
|
|
|
|
; (clear-grammar)
|
|
(defun depict-clear-grammar (markup-stream world depict-env)
|
|
(depict-%print-actions markup-stream world depict-env)
|
|
(depict-mode markup-stream depict-env nil)
|
|
(let ((grammar-info (depict-env-grammar-info depict-env)))
|
|
(when grammar-info
|
|
(let ((seen-nonterminals (depict-env-seen-nonterminals depict-env))
|
|
(missed-nonterminals nil))
|
|
(dolist (nonterminal (grammar-nonterminals-list (grammar-info-grammar grammar-info)))
|
|
(unless (or (gethash nonterminal seen-nonterminals)
|
|
(eq nonterminal *start-nonterminal*)
|
|
(hidden-nonterminal? nonterminal))
|
|
(push nonterminal missed-nonterminals)))
|
|
(when missed-nonterminals
|
|
(warn "Nonterminals not printed: ~S" missed-nonterminals)))
|
|
(setf (depict-env-grammar-info depict-env) nil)
|
|
(setf (depict-env-seen-nonterminals depict-env) nil)
|
|
(setf (depict-env-seen-grammar-arguments depict-env) nil))))
|
|
|
|
|
|
(defmacro depict-delayed-action ((markup-stream depict-env) &body depictor)
|
|
`(push #'(lambda (,markup-stream ,depict-env) ,@depictor)
|
|
(depict-env-pending-actions-reverse ,depict-env)))
|
|
|
|
|
|
(defun depict-declare-action-contents (markup-stream world action-name general-grammar-symbol type-expr)
|
|
(depict-semantic-keyword markup-stream 'action)
|
|
(depict-space markup-stream)
|
|
(depict-action-name markup-stream action-name)
|
|
(depict markup-stream :action-begin)
|
|
(depict-general-grammar-symbol markup-stream general-grammar-symbol :reference)
|
|
(depict markup-stream :action-end)
|
|
(depict-break markup-stream 1)
|
|
(depict-logical-block (markup-stream 2)
|
|
(depict markup-stream ": ")
|
|
(depict-type-expr markup-stream world type-expr)))
|
|
|
|
|
|
; (declare-action <action-name> <general-grammar-symbol> <type>)
|
|
(defun depict-declare-action (markup-stream world depict-env action-name general-grammar-symbol-source type-expr)
|
|
(declare (ignore markup-stream))
|
|
(let* ((grammar-info (checked-depict-env-grammar-info depict-env))
|
|
(general-grammar-symbol (grammar-parametrization-intern (grammar-info-grammar grammar-info) general-grammar-symbol-source)))
|
|
(unless (or (and (general-nonterminal? general-grammar-symbol) (hidden-nonterminal? general-grammar-symbol))
|
|
(grammar-info-charclass-or-partition grammar-info general-grammar-symbol))
|
|
(depict-delayed-action (markup-stream depict-env)
|
|
(depict-semantics (markup-stream depict-env)
|
|
(depict-logical-block (markup-stream 4)
|
|
(depict-declare-action-contents markup-stream world action-name general-grammar-symbol type-expr)))))))
|
|
|
|
|
|
; Declare and define the lexer-action on the charclass given by nonterminal.
|
|
(defun depict-charclass-action (world depict-env action-name lexer-action nonterminal)
|
|
(unless (default-action? action-name)
|
|
(depict-delayed-action (markup-stream depict-env)
|
|
(depict-semantics (markup-stream depict-env)
|
|
(depict-logical-block (markup-stream 4)
|
|
(depict-declare-action-contents markup-stream world action-name
|
|
nonterminal (lexer-action-type-expr lexer-action))
|
|
(depict-break markup-stream 1)
|
|
(depict-logical-block (markup-stream 3)
|
|
(depict markup-stream "= ")
|
|
(depict-global-variable markup-stream (lexer-action-function-name lexer-action) :external)
|
|
(depict markup-stream "(")
|
|
(depict-general-nonterminal markup-stream nonterminal :reference)
|
|
(depict markup-stream ")")))))))
|
|
|
|
|
|
; (action <action-name> <production-name> <body>)
|
|
; <destructured> is a flag that is true if this define was originally in the form
|
|
; (action (<action-name> (<arg1> <type1>) ... (<argn> <typen>)) <production-name> <body>)
|
|
; and converted into
|
|
; (action <action-name> <production-name> (function ((<arg1> <type1>) ... (<argn> <typen>)) <body>) t)
|
|
(defun depict-action (markup-stream world depict-env action-name production-name body-expr destructured)
|
|
(declare (ignore markup-stream))
|
|
(let* ((grammar-info (checked-depict-env-grammar-info depict-env))
|
|
(grammar (grammar-info-grammar grammar-info))
|
|
(general-production (grammar-general-production grammar production-name))
|
|
(lhs (general-production-lhs general-production)))
|
|
(unless (or (grammar-info-charclass grammar-info lhs)
|
|
(hidden-nonterminal? lhs))
|
|
(depict-delayed-action (markup-stream depict-env)
|
|
(depict-semantics (markup-stream depict-env :semantics-next)
|
|
(depict-logical-block (markup-stream 2)
|
|
(let* ((initial-env (general-production-action-env grammar general-production))
|
|
(body-annotated-expr (nth-value 2 (scan-value world initial-env body-expr)))
|
|
(action-grammar-symbols (annotated-expr-grammar-symbols body-annotated-expr)))
|
|
(depict-action-name markup-stream action-name)
|
|
(depict markup-stream :action-begin)
|
|
(depict-general-production markup-stream general-production :reference action-grammar-symbols)
|
|
(depict markup-stream :action-end)
|
|
(flet
|
|
((depict-body (markup-stream body-annotated-expr)
|
|
(depict-break markup-stream 1)
|
|
(depict-logical-block (markup-stream 3)
|
|
(depict markup-stream "= ")
|
|
(depict-annotated-value-expr markup-stream world body-annotated-expr %stmt%))))
|
|
|
|
(if destructured
|
|
(progn
|
|
(assert-true (special-form-annotated-expr? 'function body-annotated-expr))
|
|
(depict-logical-block (markup-stream 10)
|
|
(depict-break markup-stream 0)
|
|
(depict-function-bindings markup-stream world (third body-annotated-expr)))
|
|
(depict-body markup-stream (fourth body-annotated-expr)))
|
|
(depict-body markup-stream body-annotated-expr))))))))))
|
|
|
|
|
|
; (terminal-action <action-name> <terminal> <lisp-function>)
|
|
(defun depict-terminal-action (markup-stream world depict-env action-name terminal function)
|
|
(declare (ignore markup-stream world depict-env action-name terminal function)))
|
|
|
|
|
|
;;; ------------------------------------------------------------------------------------------------------
|
|
;;; DEPICTING STYLED TEXT
|
|
|
|
; Styled text can include the formats below as long as *styled-text-world* is bound around the call
|
|
; to depict-styled-text.
|
|
|
|
; (:type <type-expression>)
|
|
(defun depict-styled-text-type (markup-stream type-expression)
|
|
(depict-type-expr markup-stream *styled-text-world* type-expression))
|
|
|
|
(setf (styled-text-depictor :type) #'depict-styled-text-type)
|
|
|
|
|
|
; (:field <name> <type-expression>)
|
|
(defun depict-styled-text-field (markup-stream name type-expression)
|
|
(depict-field-name markup-stream name :reference (scan-type *styled-text-world* type-expression)))
|
|
|
|
(setf (styled-text-depictor :field) #'depict-styled-text-field)
|
|
|
|
|
|
; (:global <name>)
|
|
(defun depict-styled-text-global-variable (markup-stream name)
|
|
(depict-global-variable markup-stream name :reference))
|
|
|
|
(setf (styled-text-depictor :global) #'depict-styled-text-global-variable)
|
|
|
|
|
|
; (:local <name>)
|
|
(setf (styled-text-depictor :local) #'depict-local-variable)
|
|
|
|
|
|
; (:constant <value>)
|
|
; <value> can be either an integer, a float, a character, or a string.
|
|
(setf (styled-text-depictor :constant) #'depict-constant)
|
|
|
|
|
|
; (:action <name>)
|
|
(setf (styled-text-depictor :action) #'depict-action-name)
|
|
|