mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 04:05:49 +00:00
618 lines
39 KiB
Common Lisp
618 lines
39 KiB
Common Lisp
;;; The contents of this file are subject to the Netscape Public License
|
|
;;; Version 1.0 (the "NPL"); you may not use this file except in
|
|
;;; compliance with the NPL. You may obtain a copy of the NPL at
|
|
;;; http://www.mozilla.org/NPL/
|
|
;;;
|
|
;;; Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
;;; WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
;;; for the specific language governing rights and limitations under the
|
|
;;; NPL.
|
|
;;;
|
|
;;; The Initial Developer of this code under the NPL is Netscape
|
|
;;; Communications Corporation. Portions created by Netscape are
|
|
;;; Copyright (C) 1999 Netscape Communications Corporation. All Rights
|
|
;;; Reserved.
|
|
|
|
;;;
|
|
;;; Sample JavaScript 2.0 grammar
|
|
;;;
|
|
;;; Waldemar Horwat (waldemar@netscape.com)
|
|
;;;
|
|
|
|
(declaim (optimize (debug 3)))
|
|
|
|
(progn
|
|
(defparameter *jw*
|
|
(generate-world
|
|
"J"
|
|
'((grammar code-grammar :lr-1 :program)
|
|
|
|
|
|
(%section "Expressions")
|
|
(grammar-argument :alpha normal initial)
|
|
(grammar-argument :beta allow-in no-in)
|
|
|
|
(%subsection "Identifiers")
|
|
(production :identifier ($identifier) identifier-identifier)
|
|
;(production :identifier (const) identifier-const)
|
|
(production :identifier (version) identifier-version)
|
|
(production :identifier (override) identifier-override)
|
|
;(production :identifier (field) identifier-field)
|
|
(production :identifier (method) identifier-method)
|
|
(production :identifier (constructor) identifier-constructor)
|
|
|
|
(production :qualified-identifier (:identifier) qualified-identifier-identifier)
|
|
(production :qualified-identifier (:qualified-identifier \:\: :identifier) qualified-identifier-multi-level)
|
|
(production :qualified-identifier (:parenthesized-expression \:\: :identifier) qualified-identifier-parenthesized-expression)
|
|
|
|
|
|
(%subsection "Primary Expressions")
|
|
(production (:primary-expression :alpha) (:simple-expression) primary-expression-simple-expression)
|
|
(production (:primary-expression normal) (:function-expression) primary-expression-function-expression)
|
|
(production (:primary-expression normal) (:object-literal) primary-expression-object-literal)
|
|
|
|
(production :simple-expression (this) simple-expression-this)
|
|
(production :simple-expression (null) simple-expression-null)
|
|
(production :simple-expression (true) simple-expression-true)
|
|
(production :simple-expression (false) simple-expression-false)
|
|
(production :simple-expression (*) simple-expression-any-type)
|
|
(production :simple-expression ($number) simple-expression-number)
|
|
(production :simple-expression ($string) simple-expression-string)
|
|
(production :simple-expression (:qualified-identifier) simple-expression-qualified-identifier)
|
|
(production :simple-expression ($regular-expression) simple-expression-regular-expression)
|
|
(production :simple-expression (:parenthesized-expression) simple-expression-parenthesized-expression)
|
|
(production :simple-expression (:array-literal) simple-expression-array-literal)
|
|
|
|
(production :parenthesized-expression (\( (:expression normal allow-in) \)) parenthesized-expression-expression)
|
|
|
|
|
|
(%subsection "Function Expressions")
|
|
(production :function-expression (:anonymous-function) function-expression-anonymous-function)
|
|
(production :function-expression (:named-function) function-expression-named-function)
|
|
|
|
|
|
(%subsection "Object Literals")
|
|
(production :object-literal (\{ \}) object-literal-empty)
|
|
(production :object-literal (\{ :field-list \}) object-literal-list)
|
|
|
|
(production :field-list (:literal-field) field-list-one)
|
|
(production :field-list (:field-list \, :literal-field) field-list-more)
|
|
|
|
(production :literal-field (:qualified-identifier \: (:assignment-expression normal allow-in)) literal-field-assignment-expression)
|
|
|
|
|
|
(%subsection "Array Literals")
|
|
(production :array-literal ([ ]) array-literal-empty)
|
|
(production :array-literal ([ :element-list ]) array-literal-list)
|
|
|
|
(production :element-list (:literal-element) element-list-one)
|
|
(production :element-list (:element-list \, :literal-element) element-list-more)
|
|
|
|
(production :literal-element ((:assignment-expression normal allow-in)) literal-element-assignment-expression)
|
|
|
|
|
|
(%subsection "Postfix Unary Operators")
|
|
(production (:postfix-expression :alpha) ((:full-postfix-expression :alpha)) postfix-expression-full-postfix-expression)
|
|
(production (:postfix-expression :alpha) (:short-new-expression) postfix-expression-short-new-expression)
|
|
|
|
(production (:full-postfix-expression :alpha) ((:primary-expression :alpha)) full-postfix-expression-primary-expression)
|
|
(production (:full-postfix-expression :alpha) (:full-new-expression) full-postfix-expression-full-new-expression)
|
|
(production (:full-postfix-expression :alpha) ((:full-postfix-expression :alpha) :member-operator) full-postfix-expression-member-operator)
|
|
(production (:full-postfix-expression :alpha) ((:full-postfix-expression :alpha) :arguments) full-postfix-expression-call)
|
|
(production (:full-postfix-expression :alpha) ((:postfix-expression :alpha) ++) full-postfix-expression-increment)
|
|
(production (:full-postfix-expression :alpha) ((:postfix-expression :alpha) --) full-postfix-expression-decrement)
|
|
(production (:full-postfix-expression :alpha) ((:postfix-expression :alpha) !) full-postfix-expression-null-augmented-type)
|
|
(production (:full-postfix-expression :alpha) ((:postfix-expression :alpha) ~) full-postfix-expression-undefined-augmented-type)
|
|
|
|
(production :full-new-expression (new :full-new-subexpression :arguments) full-new-expression-new)
|
|
|
|
(production :short-new-expression (new :short-new-subexpression) short-new-expression-new)
|
|
|
|
(production :full-new-subexpression ((:primary-expression normal)) full-new-subexpression-primary-expression)
|
|
(production :full-new-subexpression (:full-new-subexpression :member-operator) full-new-subexpression-member-operator)
|
|
(production :full-new-subexpression (:full-new-expression) full-new-subexpression-full-new-expression)
|
|
|
|
(production :short-new-subexpression (:full-new-subexpression) short-new-subexpression-new-full)
|
|
(production :short-new-subexpression (:short-new-expression) short-new-subexpression-new-short)
|
|
|
|
(production :member-operator ([ ]) member-operator-array-declaration)
|
|
(production :member-operator ([ (:expression normal allow-in) ]) member-operator-array)
|
|
(production :member-operator (\. :qualified-identifier) member-operator-property)
|
|
(production :member-operator (\. :parenthesized-expression) member-operator-indirect-property)
|
|
|
|
(production :arguments (\( \)) arguments-empty)
|
|
(production :arguments (\( :argument-list \)) arguments-list)
|
|
|
|
(production :argument-list ((:assignment-expression normal allow-in)) argument-list-one)
|
|
(production :argument-list (:argument-list \, (:assignment-expression normal allow-in)) argument-list-more)
|
|
|
|
|
|
(%subsection "Prefix Unary Operators")
|
|
(production (:unary-expression :alpha) ((:postfix-expression :alpha)) unary-expression-postfix)
|
|
(production (:unary-expression :alpha) (delete (:postfix-expression normal)) unary-expression-delete)
|
|
(production (:unary-expression :alpha) (typeof (:unary-expression normal)) unary-expression-typeof)
|
|
(production (:unary-expression :alpha) (eval (:unary-expression normal)) unary-expression-eval)
|
|
(production (:unary-expression :alpha) (++ (:postfix-expression normal)) unary-expression-increment)
|
|
(production (:unary-expression :alpha) (-- (:postfix-expression normal)) unary-expression-decrement)
|
|
(production (:unary-expression :alpha) (+ (:unary-expression normal)) unary-expression-plus)
|
|
(production (:unary-expression :alpha) (- (:unary-expression normal)) unary-expression-minus)
|
|
(production (:unary-expression :alpha) (~ (:unary-expression normal)) unary-expression-bitwise-not)
|
|
(production (:unary-expression :alpha) (! (:unary-expression normal)) unary-expression-logical-not)
|
|
|
|
|
|
(%subsection "Multiplicative Operators")
|
|
(production (:multiplicative-expression :alpha) ((:unary-expression :alpha)) multiplicative-expression-unary)
|
|
(production (:multiplicative-expression :alpha) ((:multiplicative-expression :alpha) * (:unary-expression normal)) multiplicative-expression-multiply)
|
|
(production (:multiplicative-expression :alpha) ((:multiplicative-expression :alpha) / (:unary-expression normal)) multiplicative-expression-divide)
|
|
(production (:multiplicative-expression :alpha) ((:multiplicative-expression :alpha) % (:unary-expression normal)) multiplicative-expression-remainder)
|
|
|
|
|
|
(%subsection "Additive Operators")
|
|
(production (:additive-expression :alpha) ((:multiplicative-expression :alpha)) additive-expression-multiplicative)
|
|
(production (:additive-expression :alpha) ((:additive-expression :alpha) + (:multiplicative-expression normal)) additive-expression-add)
|
|
(production (:additive-expression :alpha) ((:additive-expression :alpha) - (:multiplicative-expression normal)) additive-expression-subtract)
|
|
|
|
|
|
(%subsection "Bitwise Shift Operators")
|
|
(production (:shift-expression :alpha) ((:additive-expression :alpha)) shift-expression-additive)
|
|
(production (:shift-expression :alpha) ((:shift-expression :alpha) << (:additive-expression normal)) shift-expression-left)
|
|
(production (:shift-expression :alpha) ((:shift-expression :alpha) >> (:additive-expression normal)) shift-expression-right-signed)
|
|
(production (:shift-expression :alpha) ((:shift-expression :alpha) >>> (:additive-expression normal)) shift-expression-right-unsigned)
|
|
|
|
|
|
(%subsection "Relational Operators")
|
|
(exclude (:relational-expression initial no-in))
|
|
(production (:relational-expression :alpha :beta) ((:shift-expression :alpha)) relational-expression-shift)
|
|
(production (:relational-expression :alpha :beta) ((:relational-expression :alpha :beta) < (:shift-expression normal)) relational-expression-less)
|
|
(production (:relational-expression :alpha :beta) ((:relational-expression :alpha :beta) > (:shift-expression normal)) relational-expression-greater)
|
|
(production (:relational-expression :alpha :beta) ((:relational-expression :alpha :beta) <= (:shift-expression normal)) relational-expression-less-or-equal)
|
|
(production (:relational-expression :alpha :beta) ((:relational-expression :alpha :beta) >= (:shift-expression normal)) relational-expression-greater-or-equal)
|
|
(production (:relational-expression :alpha :beta) ((:relational-expression :alpha :beta) instanceof (:shift-expression normal)) relational-expression-instanceof)
|
|
(production (:relational-expression :alpha allow-in) ((:relational-expression :alpha allow-in) in (:shift-expression normal)) relational-expression-in)
|
|
|
|
|
|
(%subsection "Equality Operators")
|
|
(exclude (:equality-expression initial no-in))
|
|
(production (:equality-expression :alpha :beta) ((:relational-expression :alpha :beta)) equality-expression-relational)
|
|
(production (:equality-expression :alpha :beta) ((:equality-expression :alpha :beta) == (:relational-expression normal :beta)) equality-expression-equal)
|
|
(production (:equality-expression :alpha :beta) ((:equality-expression :alpha :beta) != (:relational-expression normal :beta)) equality-expression-not-equal)
|
|
(production (:equality-expression :alpha :beta) ((:equality-expression :alpha :beta) === (:relational-expression normal :beta)) equality-expression-strict-equal)
|
|
(production (:equality-expression :alpha :beta) ((:equality-expression :alpha :beta) !== (:relational-expression normal :beta)) equality-expression-strict-not-equal)
|
|
|
|
|
|
(%subsection "Binary Bitwise Operators")
|
|
(exclude (:bitwise-and-expression initial no-in))
|
|
(production (:bitwise-and-expression :alpha :beta) ((:equality-expression :alpha :beta)) bitwise-and-expression-equality)
|
|
(production (:bitwise-and-expression :alpha :beta) ((:bitwise-and-expression :alpha :beta) & (:equality-expression normal :beta)) bitwise-and-expression-and)
|
|
|
|
(exclude (:bitwise-xor-expression initial no-in))
|
|
(production (:bitwise-xor-expression :alpha :beta) ((:bitwise-and-expression :alpha :beta)) bitwise-xor-expression-bitwise-and)
|
|
(production (:bitwise-xor-expression :alpha :beta) ((:bitwise-xor-expression :alpha :beta) ^ (:bitwise-and-expression normal :beta)) bitwise-xor-expression-xor)
|
|
|
|
(exclude (:bitwise-or-expression initial no-in))
|
|
(production (:bitwise-or-expression :alpha :beta) ((:bitwise-xor-expression :alpha :beta)) bitwise-or-expression-bitwise-xor)
|
|
(production (:bitwise-or-expression :alpha :beta) ((:bitwise-or-expression :alpha :beta) \| (:bitwise-xor-expression normal :beta)) bitwise-or-expression-or)
|
|
|
|
|
|
(%subsection "Binary Logical Operators")
|
|
(exclude (:logical-and-expression initial no-in))
|
|
(production (:logical-and-expression :alpha :beta) ((:bitwise-or-expression :alpha :beta)) logical-and-expression-bitwise-or)
|
|
(production (:logical-and-expression :alpha :beta) ((:logical-and-expression :alpha :beta) && (:bitwise-or-expression normal :beta)) logical-and-expression-and)
|
|
|
|
(exclude (:logical-or-expression initial no-in))
|
|
(production (:logical-or-expression :alpha :beta) ((:logical-and-expression :alpha :beta)) logical-or-expression-logical-and)
|
|
(production (:logical-or-expression :alpha :beta) ((:logical-or-expression :alpha :beta) \|\| (:logical-and-expression normal :beta)) logical-or-expression-or)
|
|
|
|
|
|
(%subsection "Conditional Operator")
|
|
(exclude (:conditional-expression initial no-in))
|
|
(production (:conditional-expression :alpha :beta) ((:logical-or-expression :alpha :beta)) conditional-expression-logical-or)
|
|
(production (:conditional-expression :alpha :beta) ((:logical-or-expression :alpha :beta) ? (:assignment-expression normal :beta) \: (:assignment-expression normal :beta)) conditional-expression-conditional)
|
|
|
|
(exclude (:non-assignment-expression initial no-in))
|
|
(production (:non-assignment-expression :alpha :beta) ((:logical-or-expression :alpha :beta)) non-assignment-expression-logical-or)
|
|
(production (:non-assignment-expression :alpha :beta) ((:logical-or-expression :alpha :beta) ? (:non-assignment-expression normal :beta) \: (:non-assignment-expression normal :beta)) non-assignment-expression-conditional)
|
|
|
|
|
|
(%subsection "Assignment Operators")
|
|
(exclude (:assignment-expression initial no-in))
|
|
(production (:assignment-expression :alpha :beta) ((:conditional-expression :alpha :beta)) assignment-expression-conditional)
|
|
(production (:assignment-expression :alpha :beta) ((:postfix-expression :alpha) = (:assignment-expression normal :beta)) assignment-expression-assignment)
|
|
(production (:assignment-expression :alpha :beta) ((:postfix-expression :alpha) :compound-assignment (:assignment-expression normal :beta)) assignment-expression-compound)
|
|
|
|
(production :compound-assignment (*=) compound-assignment-multiply)
|
|
(production :compound-assignment (/=) compound-assignment-divide)
|
|
(production :compound-assignment (%=) compound-assignment-remainder)
|
|
(production :compound-assignment (+=) compound-assignment-add)
|
|
(production :compound-assignment (-=) compound-assignment-subtract)
|
|
(production :compound-assignment (<<=) compound-assignment-shift-left)
|
|
(production :compound-assignment (>>=) compound-assignment-shift-right)
|
|
(production :compound-assignment (>>>=) compound-assignment-shift-right-unsigned)
|
|
(production :compound-assignment (&=) compound-assignment-and)
|
|
(production :compound-assignment (^=) compound-assignment-or)
|
|
(production :compound-assignment (\|=) compound-assignment-xor)
|
|
|
|
|
|
(%subsection "Expressions")
|
|
(exclude (:expression initial no-in))
|
|
(production (:expression :alpha :beta) ((:assignment-expression :alpha :beta)) expression-assignment)
|
|
(production (:expression :alpha :beta) ((:expression :alpha :beta) \, (:assignment-expression normal :beta)) expression-comma)
|
|
|
|
(production :optional-expression ((:expression normal allow-in)) optional-expression-expression)
|
|
(production :optional-expression () optional-expression-empty)
|
|
|
|
|
|
(%subsection "Type Expressions")
|
|
(exclude (:type-expression initial no-in))
|
|
(production (:type-expression :alpha :beta) ((:non-assignment-expression :alpha :beta)) type-expression-non-assignment-expression)
|
|
|
|
|
|
(%section "Statements")
|
|
|
|
(grammar-argument :delta
|
|
top ;top level in a package or program
|
|
class ;top level in a class definition
|
|
block) ;top level in a block
|
|
(grammar-argument :omega
|
|
abbrev ;optional semicolon when followed by a '}', 'else', or 'while' in a do-while
|
|
abbrev-non-empty ;optional semicolon as long as statement isn't empty
|
|
abbrev-no-short-if ;optional semicolon, but statement must not end with an if without an else
|
|
full) ;semicolon required at the end
|
|
(grammar-argument :omega_3 abbrev abbrev-non-empty full)
|
|
(grammar-argument :omega_2 abbrev full)
|
|
|
|
(production (:statement :delta :omega_3) ((:code-statement :omega_3)) statement-code-statement)
|
|
(production (:statement :delta :omega_3) ((:definition :delta :omega_3)) statement-definition)
|
|
|
|
(production (:code-statement :omega) ((:empty-statement :omega)) code-statement-empty-statement)
|
|
(production (:code-statement :omega) (:expression-statement (:semicolon :omega)) code-statement-expression-statement)
|
|
(production (:code-statement :omega) ((:block block)) code-statement-block)
|
|
(production (:code-statement :omega) ((:labeled-statement :omega)) code-statement-labeled-statement)
|
|
(production (:code-statement :omega) ((:if-statement :omega)) code-statement-if-statement)
|
|
(production (:code-statement :omega) (:switch-statement) code-statement-switch-statement)
|
|
(production (:code-statement :omega) (:do-statement (:semicolon :omega)) code-statement-do-statement)
|
|
(production (:code-statement :omega) ((:while-statement :omega)) code-statement-while-statement)
|
|
(production (:code-statement :omega) ((:for-statement :omega)) code-statement-for-statement)
|
|
(production (:code-statement :omega) (:continue-statement (:semicolon :omega)) code-statement-continue-statement)
|
|
(production (:code-statement :omega) (:break-statement (:semicolon :omega)) code-statement-break-statement)
|
|
(production (:code-statement :omega) (:return-statement (:semicolon :omega)) code-statement-return-statement)
|
|
(production (:code-statement :omega) (:throw-statement (:semicolon :omega)) code-statement-throw-statement)
|
|
(production (:code-statement :omega) (:try-statement) code-statement-try-statement)
|
|
(production (:code-statement :omega) ((:import-statement :omega)) code-statement-import-statement)
|
|
|
|
(production (:semicolon :omega) (\;) semicolon-semicolon)
|
|
(production (:semicolon abbrev) () semicolon-abbrev)
|
|
(production (:semicolon abbrev-non-empty) () semicolon-abbrev-non-empty)
|
|
(production (:semicolon abbrev-no-short-if) () semicolon-abbrev-no-short-if)
|
|
|
|
|
|
(%subsection "Empty Statement")
|
|
(production (:empty-statement :omega) (\;) empty-statement-semicolon)
|
|
(production (:empty-statement abbrev) () empty-statement-abbrev)
|
|
(production (:empty-statement abbrev-no-short-if) () empty-statement-abbrev-no-short-if)
|
|
|
|
|
|
(%subsection "Expression Statement")
|
|
(production :expression-statement ((:expression initial allow-in)) expression-statement-expression)
|
|
|
|
|
|
(%subsection "Block")
|
|
(exclude (:block top))
|
|
(production (:block :delta) ({ (:statements :delta) }) block-statements)
|
|
|
|
(production (:statements :delta) ((:statement :delta abbrev)) statements-one)
|
|
(production (:statements :delta) ((:statements-prefix :delta) (:statement :delta abbrev-non-empty)) statements-more)
|
|
|
|
(production (:statements-prefix :delta) ((:statement :delta full)) statements-prefix-one)
|
|
(production (:statements-prefix :delta) ((:statements-prefix :delta) (:statement :delta full)) statements-prefix-more)
|
|
|
|
|
|
(%subsection "Labeled Statements")
|
|
(production (:labeled-statement :omega) (:identifier \: (:code-statement :omega)) labeled-statement-label)
|
|
|
|
|
|
(%subsection "If Statement")
|
|
(production (:if-statement abbrev) (if :parenthesized-expression (:code-statement abbrev)) if-statement-if-then-abbrev)
|
|
(production (:if-statement abbrev-non-empty) (if :parenthesized-expression (:code-statement abbrev-non-empty)) if-statement-if-then-abbrev-non-empty)
|
|
(production (:if-statement full) (if :parenthesized-expression (:code-statement full)) if-statement-if-then-full)
|
|
(production (:if-statement :omega) (if :parenthesized-expression (:code-statement abbrev-no-short-if)
|
|
else (:code-statement :omega)) if-statement-if-then-else)
|
|
|
|
|
|
(%subsection "Switch Statement")
|
|
(production :switch-statement (switch :parenthesized-expression { }) switch-statement-empty)
|
|
(production :switch-statement (switch :parenthesized-expression { :case-groups :last-case-group }) switch-statement-cases)
|
|
|
|
(production :case-groups () case-groups-empty)
|
|
(production :case-groups (:case-groups :case-group) case-groups-more)
|
|
|
|
(production :case-group (:case-guards :case-statements-prefix) case-group-case-statements-prefix)
|
|
|
|
(production :last-case-group (:case-guards :case-statements) last-case-group-case-statements)
|
|
|
|
(production :case-guards (:case-guard) case-guards-one)
|
|
(production :case-guards (:case-guards :case-guard) case-guards-more)
|
|
|
|
(production :case-guard (case (:expression normal allow-in) \:) case-guard-case)
|
|
(production :case-guard (default \:) case-guard-default)
|
|
|
|
(production :case-statements ((:code-statement abbrev)) case-statements-one)
|
|
(production :case-statements (:case-statements-prefix (:code-statement abbrev-non-empty)) case-statements-more)
|
|
|
|
(production :case-statements-prefix ((:code-statement full)) case-statements-prefix-one)
|
|
(production :case-statements-prefix (:case-statements-prefix (:code-statement full)) case-statements-prefix-more)
|
|
|
|
|
|
(%subsection "Do-While Statement")
|
|
(production :do-statement (do (:code-statement abbrev-non-empty) while :parenthesized-expression) do-statement-do-while)
|
|
|
|
|
|
(%subsection "While Statement")
|
|
(production (:while-statement :omega) (while :parenthesized-expression (:code-statement :omega)) while-statement-while)
|
|
|
|
|
|
(%subsection "For Statements")
|
|
(production (:for-statement :omega) (for \( :for-initializer \; :optional-expression \; :optional-expression \)
|
|
(:code-statement :omega)) for-statement-c-style)
|
|
(production (:for-statement :omega) (for \( :for-in-binding in (:expression normal allow-in) \) (:code-statement :omega)) for-statement-in)
|
|
|
|
(production :for-initializer () for-initializer-empty)
|
|
(production :for-initializer ((:expression normal no-in)) for-initializer-expression)
|
|
(production :for-initializer (:variable-declaration-kind (:variable-declaration-list no-in)) for-initializer-variable-declaration)
|
|
|
|
(production :for-in-binding ((:postfix-expression normal)) for-in-binding-expression)
|
|
(production :for-in-binding (:variable-declaration-kind (:variable-declaration no-in)) for-in-binding-variable-declaration)
|
|
|
|
|
|
(%subsection "Continue and Break Statements")
|
|
(production :continue-statement (continue :optional-label) continue-statement-optional-label)
|
|
|
|
(production :break-statement (break :optional-label) break-statement-optional-label)
|
|
|
|
(production :optional-label () optional-label-default)
|
|
(production :optional-label (:identifier) optional-label-identifier)
|
|
|
|
|
|
(%subsection "Return Statement")
|
|
(production :return-statement (return :optional-expression) return-statement-optional-expression)
|
|
|
|
|
|
(%subsection "Throw Statement")
|
|
(production :throw-statement (throw (:expression normal allow-in)) throw-statement-throw)
|
|
|
|
|
|
(%subsection "Try Statement")
|
|
(production :try-statement (try (:block block) :catch-clauses) try-statement-catch-clauses)
|
|
(production :try-statement (try (:block block) :finally-clause) try-statement-finally-clause)
|
|
(production :try-statement (try (:block block) :catch-clauses :finally-clause) try-statement-catch-clauses-finally-clause)
|
|
|
|
(production :catch-clauses (:catch-clause) catch-clauses-one)
|
|
(production :catch-clauses (:catch-clauses :catch-clause) catch-clauses-more)
|
|
|
|
(production :catch-clause (catch \( (:typed-identifier allow-in) \) (:block block)) catch-clause-block)
|
|
|
|
(production :finally-clause (finally (:block block)) finally-clause-block)
|
|
|
|
|
|
(%subsection "Import Statement")
|
|
(production (:import-statement :omega) (import :import-list (:semicolon :omega)) import-statement-import)
|
|
(production (:import-statement abbrev) (import :import-list (:block block)) import-statement-import-then-abbrev)
|
|
(production (:import-statement abbrev-non-empty) (import :import-list (:block block)) import-statement-import-then-abbrev-non-empty)
|
|
(production (:import-statement full) (import :import-list (:block block)) import-statement-import-then-full)
|
|
(production (:import-statement :omega) (import :import-list (:block block) else (:code-statement :omega)) import-statement-import-then-else)
|
|
|
|
(production :import-list (:import-item) import-list-one)
|
|
(production :import-list (:import-list \, :import-item) import-list-more)
|
|
|
|
(production :import-item (:import-source) import-item-import-source)
|
|
(production :import-item (:identifier = :import-source) import-item-named-import-source)
|
|
(production :import-item (protected :identifier = :import-source) import-item-protected-import-source)
|
|
|
|
(production :import-source ((:non-assignment-expression normal no-in)) import-source-no-version)
|
|
(production :import-source ((:non-assignment-expression normal no-in) \: :version) import-source-version)
|
|
|
|
|
|
(%section "Definitions")
|
|
(production (:definition :delta :omega_3) (:visibility (:global-definition :omega_3)) definition-global-definition)
|
|
(production (:definition :delta :omega_3) ((:local-definition :delta :omega_3)) definition-local-definition)
|
|
|
|
(production (:global-definition :omega_3) (:version-definition (:semicolon :omega_3)) global-definition-version-definition)
|
|
(production (:global-definition :omega_3) (:variable-definition (:semicolon :omega_3)) global-definition-variable-definition)
|
|
(production (:global-definition :omega_3) (:function-definition) global-definition-function-definition)
|
|
(production (:global-definition :omega_3) ((:member-definition :omega_3)) global-definition-member-definition)
|
|
(production (:global-definition :omega_3) (:class-definition) global-definition-class-definition)
|
|
|
|
(production (:local-definition top :omega_3) (:version-definition (:semicolon :omega_3)) local-definition-top-version-definition)
|
|
(production (:local-definition top :omega_3) (:variable-definition (:semicolon :omega_3)) local-definition-top-variable-definition)
|
|
(production (:local-definition top :omega_3) (:function-definition) local-definition-top-function-definition)
|
|
(production (:local-definition top :omega_3) (:class-definition) local-definition-top-class-definition)
|
|
|
|
(production (:local-definition class :omega_3) (:variable-definition (:semicolon :omega_3)) local-definition-class-variable-definition)
|
|
(production (:local-definition class :omega_3) (:function-definition) local-definition-class-function-definition)
|
|
(production (:local-definition class :omega_3) ((:member-definition :omega_3)) local-definition-class-member-definition)
|
|
(production (:local-definition class :omega_3) (:class-definition) local-definition-class-class-definition)
|
|
|
|
(production (:local-definition block :omega_3) (:variable-definition (:semicolon :omega_3)) local-definition-block-variable-definition)
|
|
(production (:local-definition block :omega_3) (:function-definition) local-definition-block-function-definition)
|
|
|
|
|
|
(%subsection "Visibility Specifications")
|
|
(production :visibility (private) visibility-private)
|
|
(production :visibility (package) visibility-package)
|
|
(production :visibility (public :versions-and-renames) visibility-public)
|
|
|
|
(production :versions-and-renames () versions-and-renames-default)
|
|
(production :versions-and-renames (< :version-ranges-and-aliases >) versions-and-renames-version-ranges-and-aliases)
|
|
|
|
(production :version-ranges-and-aliases () version-ranges-and-aliases-none)
|
|
(production :version-ranges-and-aliases (:version-ranges-and-aliases-prefix) version-ranges-and-aliases-some)
|
|
|
|
(production :version-ranges-and-aliases-prefix (:version-range-and-alias) version-ranges-and-aliases-prefix-one)
|
|
(production :version-ranges-and-aliases-prefix (:version-ranges-and-aliases-prefix \, :version-range-and-alias) version-ranges-and-aliases-prefix-more)
|
|
|
|
(production :version-range-and-alias (:version-range) version-range-and-alias-version-range)
|
|
(production :version-range-and-alias (:version-range \: :identifier) version-range-and-alias-version-range-and-alias)
|
|
|
|
(production :version-range (:version) version-range-singleton)
|
|
(production :version-range (:optional-version \.\. :optional-version) version-range-range)
|
|
|
|
|
|
(%subsection "Versions")
|
|
(production :optional-version (:version) optional-version-version)
|
|
(production :optional-version () optional-version-none)
|
|
|
|
(production :version ($number) version-number)
|
|
(production :version ($string) version-string)
|
|
|
|
|
|
(%subsection "Version Definition")
|
|
(production :version-definition (version :version) version-definition-version)
|
|
(production :version-definition (version :version > :version-list) version-definition-ranked-version)
|
|
|
|
(production :version-list (:version) version-list-one)
|
|
(production :version-list (:version-list \, :version) version-list-more)
|
|
|
|
|
|
(%subsection "Variable Definition")
|
|
(production :variable-definition (:variable-declaration-kind (:variable-declaration-list allow-in)) variable-definition-declaration)
|
|
|
|
(production :variable-declaration-kind (var) variable-declaration-kind-var)
|
|
(production :variable-declaration-kind (const) variable-declaration-kind-const)
|
|
|
|
(production (:variable-declaration-list :beta) ((:variable-declaration :beta)) variable-declaration-list-one)
|
|
(production (:variable-declaration-list :beta) ((:variable-declaration-list :beta) \, (:variable-declaration :beta)) variable-declaration-list-more)
|
|
|
|
(production (:variable-declaration :beta) ((:typed-identifier :beta) (:variable-initializer :beta)) variable-declaration-initializer)
|
|
|
|
(production (:typed-identifier :beta) (:identifier) typed-identifier-identifier)
|
|
(production (:typed-identifier :beta) ((:type-expression normal :beta) :identifier) typed-identifier-type-and-identifier)
|
|
|
|
(production (:variable-initializer :beta) () variable-initializer-empty)
|
|
(production (:variable-initializer :beta) (= (:assignment-expression normal :beta)) variable-initializer-assignment-expression)
|
|
|
|
|
|
(%subsection "Function Definition")
|
|
(production :function-definition (:named-function) function-definition-named-function)
|
|
|
|
(production :anonymous-function (function :function-signature (:block block)) anonymous-function-signature-and-body)
|
|
|
|
(production :named-function (function :identifier :function-signature (:block block)) named-function-signature-and-body)
|
|
|
|
(production :function-signature (:parameter-signature :result-signature) function-signature-parameter-and-result-signatures)
|
|
|
|
(production :parameter-signature (\( :parameters \)) parameter-signature-parameters)
|
|
|
|
(production :parameters () parameters-none)
|
|
(production :parameters (\.\.\. :identifier) parameters-rest)
|
|
(production :parameters (:parameters-prefix) parameters-some)
|
|
(production :parameters (:parameters-prefix \, \.\.\. :identifier) parameters-some-and-rest)
|
|
|
|
(production :parameters-prefix ((:typed-identifier allow-in)) parameters-prefix-one)
|
|
(production :parameters-prefix (:parameters-prefix \, (:typed-identifier allow-in)) parameters-prefix-more)
|
|
|
|
(production :result-signature () result-signature-none)
|
|
(production :result-signature ((:type-expression initial allow-in)) result-signature-type-expression)
|
|
|
|
|
|
(%subsection "Class Member Definitions")
|
|
(production (:member-definition :omega_3) (:field-definition (:semicolon :omega_3)) member-definition-field-definition)
|
|
(production (:member-definition :omega_3) ((:method-definition :omega_3)) member-definition-method-definition)
|
|
(production (:member-definition :omega_3) (:constructor-definition) member-definition-constructor-definition)
|
|
|
|
(production :field-definition (field (:variable-declaration-list allow-in)) field-definition-declaration)
|
|
|
|
(production (:method-definition :omega_3) (:concrete-method-definition) method-definition-concrete-method-definition)
|
|
(production (:method-definition :omega_3) ((:abstract-method-definition :omega_3)) method-definition-abstract-method-definition)
|
|
|
|
(production :concrete-method-definition (:method-prefix :identifier :function-signature (:block block)) concrete-method-definition-signature-and-body)
|
|
|
|
(production (:abstract-method-definition :omega_3) (:method-prefix :identifier :function-signature (:semicolon :omega_3)) abstract-method-definition-signature)
|
|
|
|
(production :method-prefix (method) method-prefix-method)
|
|
(production :method-prefix (override method) method-prefix-override-method)
|
|
(production :method-prefix (final method) method-prefix-final-method)
|
|
(production :method-prefix (final override method) method-prefix-final-override-method)
|
|
|
|
(production :constructor-definition (constructor :identifier :parameter-signature (:block block)) constructor-definition-signature-and-body)
|
|
|
|
|
|
(%section "Class Definition")
|
|
(production :class-definition (class :identifier :superclasses (:block class)) class-definition-normal)
|
|
(production :class-definition (class extends (:type-expression initial allow-in) (:block class)) class-definition-augmented)
|
|
|
|
(production :superclasses () superclasses-none)
|
|
(production :superclasses (extends (:type-expression initial allow-in)) superclasses-one)
|
|
|
|
|
|
(%section "Programs")
|
|
|
|
(production :program ((:statements top)) program-statements)
|
|
)))
|
|
|
|
(defparameter *jg* (world-grammar *jw* 'code-grammar)))
|
|
|
|
|
|
|
|
(defun depict-js-terminals (markup-stream grammar)
|
|
(labels
|
|
((terminal-bin (terminal)
|
|
(if (and terminal (symbolp terminal))
|
|
(let ((name (symbol-name terminal)))
|
|
(if (> (length name) 0)
|
|
(let ((first-char (char name 0)))
|
|
(cond
|
|
((char= first-char #\$) 0)
|
|
((not (or (char= first-char #\_) (alphanumericp first-char))) 1)
|
|
((member terminal (rule-productions (grammar-rule grammar ':identifier))
|
|
:key #'(lambda (production) (first (production-rhs production))))
|
|
5)
|
|
(t 3)))
|
|
1))
|
|
1))
|
|
|
|
(depict-terminal-bin (bin-name bin-terminals)
|
|
(when bin-terminals
|
|
(depict-paragraph (markup-stream ':body-text)
|
|
(depict markup-stream bin-name)
|
|
(depict-list markup-stream #'depict-terminal bin-terminals :separator '(" " :spc " "))))))
|
|
|
|
(let ((bins (make-array 6 :initial-element nil))
|
|
(terminals (grammar-terminals grammar)))
|
|
(setf (svref bins 2) (list '\# '&&= '-> '@ '^^ '^^= '\|\|=))
|
|
(setf (svref bins 4) (list 'abstract 'debugger 'enum 'export 'goto 'implements 'native 'package 'protected 'static 'super 'synchronized
|
|
'throws 'transient 'volatile 'with))
|
|
(do ((i (length terminals)))
|
|
((zerop i))
|
|
(let ((terminal (aref terminals (decf i))))
|
|
(unless (eq terminal *end-marker*)
|
|
(setf (svref bins 2) (delete terminal (svref bins 2)))
|
|
(setf (svref bins 4) (delete terminal (svref bins 4)))
|
|
(push terminal (svref bins (terminal-bin terminal))))))
|
|
(depict-paragraph (markup-stream ':section-heading)
|
|
(depict markup-stream "Terminals"))
|
|
(mapc #'depict-terminal-bin '("General tokens: " "Punctuation tokens: " "Future punctuation tokens: "
|
|
"Reserved words: " "Future reserved words: " "Non-reserved words: ")
|
|
(coerce bins 'list)))))
|
|
|
|
|
|
#|
|
|
(let ((*visible-modes* nil))
|
|
(depict-rtf-to-local-file
|
|
"JS20.rtf"
|
|
#'(lambda (markup-stream)
|
|
(depict-js-terminals markup-stream *jg*)
|
|
(depict-world-commands markup-stream *jw*))))
|
|
|
|
(let ((*visible-modes* nil))
|
|
(depict-html-to-local-file
|
|
"JS20.html"
|
|
#'(lambda (markup-stream)
|
|
(depict-js-terminals markup-stream *jg*)
|
|
(depict-world-commands markup-stream *jw*))
|
|
"JavaScript 2.0 Grammar"))
|
|
|
|
(with-local-output (s "JS20.txt") (print-grammar *jg* s))
|
|
|#
|
|
|
|
(length (grammar-states *jg*))
|