685 lines
42 KiB
Common Lisp
685 lines
42 KiB
Common Lisp
;;;
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;;; JavaScript 2.0 parser
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;;;
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;;; Waldemar Horwat (waldemar@acm.org)
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;;;
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(declaim (optimize (debug 3)))
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(progn
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(defparameter *jw*
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(generate-world
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"J"
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'((line-grammar code-grammar :lalr-1 :program)
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(%section "Expressions")
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(grammar-argument :beta allow-in no-in)
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(%subsection "Identifiers")
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(production :identifier ($identifier) identifier-identifier)
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(production :identifier (box) identifier-box)
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(production :identifier (get) identifier-get)
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(production :identifier (language) identifier-language)
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(production :identifier (local) identifier-local)
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(production :identifier (set) identifier-set)
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(production :identifier (override) identifier-override)
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(production :identifier (version) identifier-version)
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(production :qualified-identifier (:identifier) qualified-identifier-identifier)
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(production :qualified-identifier (:qualified-identifier \:\: :identifier) qualified-identifier-multi-level)
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(production :qualified-identifier (:parenthesized-expression \:\: :identifier) qualified-identifier-parenthesized-expression)
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(%subsection "Primary Expressions")
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(production :primary-expression (null) primary-expression-null)
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(production :primary-expression (true) primary-expression-true)
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(production :primary-expression (false) primary-expression-false)
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(production :primary-expression ($number) primary-expression-number)
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(production :primary-expression ($number :no-line-break $string) primary-expression-number-with-unit)
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(production :primary-expression ($string) primary-expression-string)
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(production :primary-expression (this) primary-expression-this)
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(production :primary-expression (super) primary-expression-super)
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(production :primary-expression (:qualified-identifier) primary-expression-qualified-identifier)
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(production :primary-expression (? :identifier) primary-expression-scope-identifier)
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(production :primary-expression ($regular-expression) primary-expression-regular-expression)
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(production :primary-expression (:parenthesized-expression) primary-expression-parenthesized-expression)
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(production :primary-expression (:parenthesized-expression :no-line-break $string) primary-expression-parenthesized-expression-with-unit)
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(production :primary-expression (:array-literal) primary-expression-array-literal)
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(production :primary-expression (:object-literal) primary-expression-object-literal)
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(production :primary-expression (:function-expression) primary-expression-function-expression)
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(production :parenthesized-expression (\( (:expression allow-in) \)) parenthesized-expression-expression)
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(%subsection "Function Expressions")
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(production :function-expression (function :function-signature :block) function-expression-anonymous)
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(production :function-expression (function :identifier :function-signature :block) function-expression-named)
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(%subsection "Object Literals")
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(production :object-literal (\{ \}) object-literal-empty)
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(production :object-literal (\{ :field-list \}) object-literal-list)
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(production :field-list (:literal-field) field-list-one)
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(production :field-list (:field-list \, :literal-field) field-list-more)
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(production :literal-field (:field-name \: (:assignment-expression allow-in)) literal-field-assignment-expression)
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(production :field-name (:qualified-identifier) field-name-qualified-identifier)
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(production :field-name ($string) field-name-string)
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(production :field-name ($number) field-name-number)
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(%subsection "Array Literals")
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(production :array-literal ([ :element-list ]) array-literal-list)
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(production :element-list (:literal-element) element-list-one)
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(production :element-list (:element-list \, :literal-element) element-list-more)
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(production :literal-element () literal-element-none)
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(production :literal-element ((:assignment-expression allow-in)) literal-element-assignment-expression)
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(%subsection "Postfix Unary Operators")
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(production :postfix-expression (:full-postfix-expression) postfix-expression-full-postfix-expression)
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(production :postfix-expression (:short-new-expression) postfix-expression-short-new-expression)
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(production :full-postfix-expression (:primary-expression) full-postfix-expression-primary-expression)
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(production :full-postfix-expression (:full-new-expression) full-postfix-expression-full-new-expression)
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(production :full-postfix-expression (:full-postfix-expression :member-operator) full-postfix-expression-member-operator)
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(production :full-postfix-expression (:full-postfix-expression :arguments) full-postfix-expression-call)
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(production :full-postfix-expression (:postfix-expression :no-line-break ++) full-postfix-expression-increment)
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(production :full-postfix-expression (:postfix-expression :no-line-break --) full-postfix-expression-decrement)
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(production :full-new-expression (new :full-new-subexpression :arguments) full-new-expression-new)
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(production :short-new-expression (new :short-new-subexpression) short-new-expression-new)
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(production :full-new-subexpression (:primary-expression) full-new-subexpression-primary-expression)
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(production :full-new-subexpression (:full-new-subexpression :member-operator) full-new-subexpression-member-operator)
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(production :full-new-subexpression (:full-new-expression) full-new-subexpression-full-new-expression)
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(production :short-new-subexpression (:full-new-subexpression) short-new-subexpression-new-full)
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(production :short-new-subexpression (:short-new-expression) short-new-subexpression-new-short)
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(production :member-operator ([ :argument-list ]) member-operator-array)
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(production :member-operator (\. :qualified-identifier) member-operator-property)
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(production :member-operator (\. :parenthesized-expression) member-operator-indirect-property)
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(production :member-operator (@ :qualified-identifier) member-operator-coerce)
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(production :member-operator (@ :parenthesized-expression) member-operator-indirect-coerce)
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(production :arguments (\( :argument-list \)) arguments-argument-list)
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(production :argument-list () argument-list-none)
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(production :argument-list (:argument-list-prefix) argument-list-unnamed)
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(production :argument-list (:named-argument-list-prefix) argument-list-named)
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(production :argument-list-prefix ((:assignment-expression allow-in)) argument-list-prefix-one)
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(production :argument-list-prefix (:argument-list-prefix \, (:assignment-expression allow-in)) argument-list-prefix-more)
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(production :named-argument-list-prefix (:literal-field) named-argument-list-prefix-one)
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(production :named-argument-list-prefix (:argument-list-prefix \, :literal-field) named-argument-list-prefix-unnamed)
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(production :named-argument-list-prefix (:named-argument-list-prefix \, :literal-field) named-argument-list-prefix-more)
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(%subsection "Prefix Unary Operators")
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(production :unary-expression (:postfix-expression) unary-expression-postfix)
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(production :unary-expression (delete :postfix-expression) unary-expression-delete)
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(production :unary-expression (typeof :unary-expression) unary-expression-typeof)
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(production :unary-expression (eval :unary-expression) unary-expression-eval)
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(production :unary-expression (++ :postfix-expression) unary-expression-increment)
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(production :unary-expression (-- :postfix-expression) unary-expression-decrement)
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(production :unary-expression (+ :unary-expression) unary-expression-plus)
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(production :unary-expression (- :unary-expression) unary-expression-minus)
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(production :unary-expression (~ :unary-expression) unary-expression-bitwise-not)
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(production :unary-expression (! :unary-expression) unary-expression-logical-not)
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(%subsection "Multiplicative Operators")
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(production :multiplicative-expression (:unary-expression) multiplicative-expression-unary)
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(production :multiplicative-expression (:multiplicative-expression * :unary-expression) multiplicative-expression-multiply)
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(production :multiplicative-expression (:multiplicative-expression / :unary-expression) multiplicative-expression-divide)
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(production :multiplicative-expression (:multiplicative-expression % :unary-expression) multiplicative-expression-remainder)
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(%subsection "Additive Operators")
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(production :additive-expression (:multiplicative-expression) additive-expression-multiplicative)
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(production :additive-expression (:additive-expression + :multiplicative-expression) additive-expression-add)
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(production :additive-expression (:additive-expression - :multiplicative-expression) additive-expression-subtract)
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(%subsection "Bitwise Shift Operators")
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(production :shift-expression (:additive-expression) shift-expression-additive)
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(production :shift-expression (:shift-expression << :additive-expression) shift-expression-left)
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(production :shift-expression (:shift-expression >> :additive-expression) shift-expression-right-signed)
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(production :shift-expression (:shift-expression >>> :additive-expression) shift-expression-right-unsigned)
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(%subsection "Relational Operators")
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(production (:relational-expression :beta) (:shift-expression) relational-expression-shift)
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(production (:relational-expression :beta) ((:relational-expression :beta) < :shift-expression) relational-expression-less)
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(production (:relational-expression :beta) ((:relational-expression :beta) > :shift-expression) relational-expression-greater)
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(production (:relational-expression :beta) ((:relational-expression :beta) <= :shift-expression) relational-expression-less-or-equal)
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(production (:relational-expression :beta) ((:relational-expression :beta) >= :shift-expression) relational-expression-greater-or-equal)
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(production (:relational-expression :beta) ((:relational-expression :beta) instanceof :shift-expression) relational-expression-instanceof)
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(production (:relational-expression allow-in) ((:relational-expression allow-in) in :shift-expression) relational-expression-in)
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(%subsection "Equality Operators")
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(production (:equality-expression :beta) ((:relational-expression :beta)) equality-expression-relational)
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(production (:equality-expression :beta) ((:equality-expression :beta) == (:relational-expression :beta)) equality-expression-equal)
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(production (:equality-expression :beta) ((:equality-expression :beta) != (:relational-expression :beta)) equality-expression-not-equal)
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(production (:equality-expression :beta) ((:equality-expression :beta) === (:relational-expression :beta)) equality-expression-strict-equal)
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(production (:equality-expression :beta) ((:equality-expression :beta) !== (:relational-expression :beta)) equality-expression-strict-not-equal)
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(%subsection "Binary Bitwise Operators")
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(production (:bitwise-and-expression :beta) ((:equality-expression :beta)) bitwise-and-expression-equality)
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(production (:bitwise-and-expression :beta) ((:bitwise-and-expression :beta) & (:equality-expression :beta)) bitwise-and-expression-and)
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(production (:bitwise-xor-expression :beta) ((:bitwise-and-expression :beta)) bitwise-xor-expression-bitwise-and)
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(production (:bitwise-xor-expression :beta) ((:bitwise-xor-expression :beta) ^ (:bitwise-and-expression :beta)) bitwise-xor-expression-xor)
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(production (:bitwise-xor-expression :beta) ((:bitwise-xor-expression :beta) ^ *) bitwise-xor-expression-null)
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(production (:bitwise-xor-expression :beta) ((:bitwise-xor-expression :beta) ^ ?) bitwise-xor-expression-undefined)
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(production (:bitwise-or-expression :beta) ((:bitwise-xor-expression :beta)) bitwise-or-expression-bitwise-xor)
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(production (:bitwise-or-expression :beta) ((:bitwise-or-expression :beta) \| (:bitwise-xor-expression :beta)) bitwise-or-expression-or)
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(production (:bitwise-or-expression :beta) ((:bitwise-or-expression :beta) \| *) bitwise-or-expression-null)
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(production (:bitwise-or-expression :beta) ((:bitwise-or-expression :beta) \| ?) bitwise-or-expression-undefined)
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(%subsection "Binary Logical Operators")
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(production (:logical-and-expression :beta) ((:bitwise-or-expression :beta)) logical-and-expression-bitwise-or)
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(production (:logical-and-expression :beta) ((:logical-and-expression :beta) && (:bitwise-or-expression :beta)) logical-and-expression-and)
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(production (:logical-xor-expression :beta) ((:logical-and-expression :beta)) logical-xor-expression-logical-and)
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(production (:logical-xor-expression :beta) ((:logical-xor-expression :beta) ^^ (:logical-and-expression :beta)) logical-xor-expression-xor)
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(production (:logical-or-expression :beta) ((:logical-xor-expression :beta)) logical-or-expression-logical-xor)
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(production (:logical-or-expression :beta) ((:logical-or-expression :beta) \|\| (:logical-xor-expression :beta)) logical-or-expression-or)
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(%subsection "Conditional Operator")
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(production (:conditional-expression :beta) ((:logical-or-expression :beta)) conditional-expression-logical-or)
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(production (:conditional-expression :beta) ((:logical-or-expression :beta) ? (:assignment-expression :beta) \: (:assignment-expression :beta)) conditional-expression-conditional)
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(production (:non-assignment-expression :beta) ((:logical-or-expression :beta)) non-assignment-expression-logical-or)
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(production (:non-assignment-expression :beta) ((:logical-or-expression :beta) ? (:non-assignment-expression :beta) \: (:non-assignment-expression :beta)) non-assignment-expression-conditional)
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(%subsection "Assignment Operators")
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(production (:assignment-expression :beta) ((:conditional-expression :beta)) assignment-expression-conditional)
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(production (:assignment-expression :beta) (:postfix-expression = (:assignment-expression :beta)) assignment-expression-assignment)
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(production (:assignment-expression :beta) (:postfix-expression :compound-assignment (:assignment-expression :beta)) assignment-expression-compound)
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(production :compound-assignment (*=) compound-assignment-multiply)
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(production :compound-assignment (/=) compound-assignment-divide)
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(production :compound-assignment (%=) compound-assignment-remainder)
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(production :compound-assignment (+=) compound-assignment-add)
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(production :compound-assignment (-=) compound-assignment-subtract)
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(production :compound-assignment (<<=) compound-assignment-shift-left)
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(production :compound-assignment (>>=) compound-assignment-shift-right)
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(production :compound-assignment (>>>=) compound-assignment-shift-right-unsigned)
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(production :compound-assignment (&=) compound-assignment-bitwise-and)
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(production :compound-assignment (^=) compound-assignment-bitwise-xor)
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(production :compound-assignment (\|=) compound-assignment-bitwise-or)
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(production :compound-assignment (&&=) compound-assignment-logical-and)
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(production :compound-assignment (^^=) compound-assignment-logical-xor)
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(production :compound-assignment (\|\|=) compound-assignment-logical-or)
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(%subsection "Expressions")
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(production (:expression :beta) ((:assignment-expression :beta)) expression-assignment)
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(production (:expression :beta) ((:expression :beta) \, (:assignment-expression :beta)) expression-comma)
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(production :optional-expression ((:expression allow-in)) optional-expression-expression)
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(production :optional-expression () optional-expression-empty)
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(%subsection "Type Expressions")
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(production (:type-expression :beta) ((:non-assignment-expression :beta)) type-expression-non-assignment-expression)
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(%section "Statements")
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(grammar-argument :omega
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abbrev ;optional semicolon when followed by a '}', 'else', or 'while' in a do-while
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abbrev-non-empty ;optional semicolon as long as statement isn't empty
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abbrev-no-short-if ;optional semicolon, but statement must not end with an if without an else
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full) ;semicolon required at the end
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(grammar-argument :omega_3 abbrev abbrev-non-empty full)
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(grammar-argument :omega_2 abbrev full)
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(production (:top-statement :omega_3) ((:statement :omega_3)) top-statement-statement)
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(production (:top-statement :omega_3) ((:language-declaration :omega_3)) top-statement-language-declaration)
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(production (:statement :omega) ((:annotated-definition :omega)) statement-annotated-definition)
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(production (:statement :omega) ((:empty-statement :omega)) statement-empty-statement)
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(production (:statement :omega) (:expression-statement (:semicolon :omega)) statement-expression-statement)
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(production (:statement :omega) (:annotated-block) statement-annotated-block)
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(production (:statement :omega) ((:labeled-statement :omega)) statement-labeled-statement)
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(production (:statement :omega) ((:if-statement :omega)) statement-if-statement)
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(production (:statement :omega) (:switch-statement) statement-switch-statement)
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(production (:statement :omega) (:do-statement (:semicolon :omega)) statement-do-statement)
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(production (:statement :omega) ((:while-statement :omega)) statement-while-statement)
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(production (:statement :omega) ((:for-statement :omega)) statement-for-statement)
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(production (:statement :omega) ((:with-statement :omega)) statement-with-statement)
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(production (:statement :omega) (:continue-statement (:semicolon :omega)) statement-continue-statement)
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(production (:statement :omega) (:break-statement (:semicolon :omega)) statement-break-statement)
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(production (:statement :omega) (:return-statement (:semicolon :omega)) statement-return-statement)
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(production (:statement :omega) (:throw-statement (:semicolon :omega)) statement-throw-statement)
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(production (:statement :omega) (:try-statement) statement-try-statement)
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#|(production (:statement :omega) ((:import-statement :omega)) statement-import-statement)|#
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(production (:semicolon :omega) (\;) semicolon-semicolon)
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(production (:semicolon :omega) ($virtual-semicolon) semicolon-virtual-semicolon)
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(production (:semicolon abbrev) () semicolon-abbrev)
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(production (:semicolon abbrev-non-empty) () semicolon-abbrev-non-empty)
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(production (:semicolon abbrev-no-short-if) () semicolon-abbrev-no-short-if)
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(%subsection "Empty Statement")
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(production (:empty-statement :omega) (\;) empty-statement-semicolon)
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(production (:empty-statement abbrev) () empty-statement-abbrev)
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(%subsection "Expression Statement")
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(production :expression-statement ((:- function {) (:expression allow-in)) expression-statement-expression)
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(%subsection "Block")
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(production :annotated-block (:block) annotated-block-block)
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(production :annotated-block (:visibility :no-line-break :block) annotated-block-visibility-block)
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(production :block ({ :top-statements }) block-top-statements)
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(production :top-statements ((:top-statement abbrev)) top-statements-one)
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(production :top-statements (:top-statements-prefix (:top-statement abbrev-non-empty)) top-statements-more)
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(production :top-statements-prefix ((:top-statement full)) top-statements-prefix-one)
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(production :top-statements-prefix (:top-statements-prefix (:top-statement full)) top-statements-prefix-more)
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(%subsection "Labeled Statements")
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(production (:labeled-statement :omega) (:identifier \: (:statement :omega)) labeled-statement-label)
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(%subsection "If Statement")
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(production (:if-statement abbrev) (if :parenthesized-expression (:statement abbrev)) if-statement-if-then-abbrev)
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(production (:if-statement abbrev-non-empty) (if :parenthesized-expression (:statement abbrev-non-empty)) if-statement-if-then-abbrev-non-empty)
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(production (:if-statement full) (if :parenthesized-expression (:statement full)) if-statement-if-then-full)
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(production (:if-statement :omega) (if :parenthesized-expression (:statement abbrev-no-short-if)
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else (:statement :omega)) if-statement-if-then-else)
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(%subsection "Switch Statement")
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(production :switch-statement (switch :parenthesized-expression { }) switch-statement-empty)
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(production :switch-statement (switch :parenthesized-expression { :case-groups :last-case-group }) switch-statement-cases)
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(production :case-groups () case-groups-empty)
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(production :case-groups (:case-groups :case-group) case-groups-more)
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(production :case-group (:case-guards :case-statements-prefix) case-group-case-statements-prefix)
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(production :last-case-group (:case-guards :case-statements) last-case-group-case-statements)
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(production :case-guards (:case-guard) case-guards-one)
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(production :case-guards (:case-guards :case-guard) case-guards-more)
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(production :case-guard (case (:expression allow-in) \:) case-guard-case)
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(production :case-guard (default \:) case-guard-default)
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(production :case-statements ((:statement abbrev)) case-statements-one)
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(production :case-statements (:case-statements-prefix (:statement abbrev-non-empty)) case-statements-more)
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(production :case-statements-prefix ((:statement full)) case-statements-prefix-one)
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(production :case-statements-prefix (:case-statements-prefix (:statement full)) case-statements-prefix-more)
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(%subsection "Do-While Statement")
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(production :do-statement (do (:statement abbrev-non-empty) while :parenthesized-expression) do-statement-do-while)
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(%subsection "While Statement")
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(production (:while-statement :omega) (while :parenthesized-expression (:statement :omega)) while-statement-while)
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(%subsection "For Statements")
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(production (:for-statement :omega) (for \( :for-initializer \; :optional-expression \; :optional-expression \)
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(:statement :omega)) for-statement-c-style)
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(production (:for-statement :omega) (for \( :for-in-binding in (:expression allow-in) \) (:statement :omega)) for-statement-in)
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(production :for-initializer () for-initializer-empty)
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(production :for-initializer ((:expression no-in)) for-initializer-expression)
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(production :for-initializer (:variable-definition-kind (:variable-binding-list no-in)) for-initializer-variable-definition)
|
|
|
|
(production :for-in-binding (:postfix-expression) for-in-binding-expression)
|
|
(production :for-in-binding (:variable-definition-kind (:variable-binding no-in)) for-in-binding-variable-definition)
|
|
|
|
|
|
(%subsection "With Statement")
|
|
(production (:with-statement :omega) (with :parenthesized-expression (:statement :omega)) with-statement-with)
|
|
|
|
|
|
(%subsection "Continue and Break Statements")
|
|
(production :continue-statement (continue :no-line-break :optional-label) continue-statement-optional-label)
|
|
|
|
(production :break-statement (break :no-line-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 :no-line-break :optional-expression) return-statement-optional-expression)
|
|
|
|
|
|
(%subsection "Throw Statement")
|
|
(production :throw-statement (throw :no-line-break (:expression allow-in)) throw-statement-throw)
|
|
|
|
|
|
(%subsection "Try Statement")
|
|
(production :try-statement (try :annotated-block :catch-clauses) try-statement-catch-clauses)
|
|
(production :try-statement (try :annotated-block :finally-clause) try-statement-finally-clause)
|
|
(production :try-statement (try :annotated-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 \( (:typed-identifier allow-in) \) :annotated-block) catch-clause-block)
|
|
|
|
(production :finally-clause (finally :annotated-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) import-statement-import-then-abbrev)
|
|
(production (:import-statement abbrev-non-empty) (import :import-list :block) import-statement-import-then-abbrev-non-empty)
|
|
(production (:import-statement full) (import :import-list :block) import-statement-import-then-full)
|
|
(production (:import-statement :omega) (import :import-list :block else (: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 no-in)) import-source-no-version)
|
|
(production :import-source ((:non-assignment-expression no-in) \: $string) import-source-version)
|
|
|#
|
|
|
|
(%section "Definitions")
|
|
(production (:annotated-definition :omega) (:visibility :no-line-break (:definition :omega)) annotated-definition-visibility-and-definition)
|
|
(production (:annotated-definition :omega) ((:definition :omega)) annotated-definition-definition)
|
|
|
|
;(production (:definition :omega) (:version-definition (:semicolon :omega)) definition-version-definition)
|
|
(production (:definition :omega) (:variable-definition (:semicolon :omega)) definition-variable-definition)
|
|
(production (:definition :omega) ((:function-definition :omega)) definition-function-definition)
|
|
(production (:definition :omega) (:class-definition) definition-class-definition)
|
|
|
|
|
|
(%subsection "Visibility Specifications")
|
|
(production :visibility (:parenthesized-expression) visibility-parenthesized-expression)
|
|
(production :visibility (local) visibility-local)
|
|
(production :visibility (box) visibility-box)
|
|
(production :visibility (private) visibility-private)
|
|
(production :visibility (package) visibility-package)
|
|
(production :visibility (public) visibility-public)
|
|
(production :visibility ($identifier) visibility-user-defined)
|
|
#|
|
|
(production :visibility (public :versions-and-renames) visibility-public)
|
|
|
|
(production :versions-and-renames () versions-and-renames-none)
|
|
(production :versions-and-renames (:versions-and-renames-prefix) versions-and-renames-some)
|
|
|
|
(production :versions-and-renames-prefix (:version-range-and-alias) versions-and-renames-prefix-one)
|
|
(production :versions-and-renames-prefix (:versions-and-renames-prefix \, :version-range-and-alias) versions-and-renames-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 ($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-definition (version :version = :version) version-definition-alias)
|
|
|
|
(production :version-list (:version) version-list-one)
|
|
(production :version-list (:version-list \, :version) version-list-more)
|
|
|#
|
|
|
|
|
|
(%subsection "Variable Definition")
|
|
(production :variable-definition (:variable-definition-kind (:variable-binding-list allow-in)) variable-definition-definition)
|
|
|
|
(production :variable-definition-kind (var) variable-definition-kind-var)
|
|
(production :variable-definition-kind (const) variable-definition-kind-const)
|
|
(production :variable-definition-kind (static :no-line-break var) variable-definition-kind-static-var)
|
|
(production :variable-definition-kind (static :no-line-break const) variable-definition-kind-static-const)
|
|
|
|
(production (:variable-binding-list :beta) ((:variable-binding :beta)) variable-binding-list-one)
|
|
(production (:variable-binding-list :beta) ((:variable-binding-list :beta) \, (:variable-binding :beta)) variable-binding-list-more)
|
|
|
|
(production (:variable-binding :beta) ((:typed-identifier :beta) (:variable-initializer :beta)) variable-binding-initializer)
|
|
|
|
(production (:typed-identifier :beta) (:identifier) typed-identifier-identifier)
|
|
(production (:typed-identifier :beta) (:identifier \: (:type-expression :beta)) typed-identifier-identifier-and-type)
|
|
;(production (:typed-identifier :beta) ((:type-expression :beta) :identifier) typed-identifier-type-and-identifier)
|
|
|
|
(production (:variable-initializer :beta) () variable-initializer-empty)
|
|
(production (:variable-initializer :beta) (= (:assignment-expression :beta)) variable-initializer-assignment-expression)
|
|
|
|
|
|
(%subsection "Function Definition")
|
|
(production (:function-definition :omega) (:concrete-function-definition) function-definition-concrete)
|
|
(production (:function-definition :omega) ((:abstract-function-definition :omega)) function-definition-abstract)
|
|
|
|
(production :concrete-function-definition (:function-prefix function :function-name :function-signature :block) concrete-function-definition-signature-and-body)
|
|
|
|
(production (:abstract-function-definition :omega) (:function-prefix function :function-name :function-signature (:semicolon :omega)) abstract-function-definition-signature)
|
|
|
|
(production :function-prefix () function-prefix-none)
|
|
(production :function-prefix (override :no-line-break) function-prefix-override)
|
|
(production :function-prefix (final :no-line-break) function-prefix-final)
|
|
(production :function-prefix (final :no-line-break override :no-line-break) function-prefix-final-override)
|
|
(production :function-prefix (static :no-line-break) function-prefix-static)
|
|
|
|
(production :function-name (:identifier) function-name-function)
|
|
(production :function-name (get :no-line-break :identifier) function-name-getter)
|
|
(production :function-name (set :no-line-break :identifier) function-name-setter)
|
|
(production :function-name (new :no-line-break :identifier) function-name-constructor)
|
|
(production :function-name (new) function-name-default-constructor)
|
|
|
|
(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 (:rest-parameter) parameters-rest)
|
|
(production :parameters (:required-parameters) parameters-required-parameters)
|
|
(production :parameters (:optional-parameters) parameters-optional-parameters)
|
|
(production :parameters (:required-parameters \, :rest-parameter) parameters-required-and-rest)
|
|
(production :parameters (:optional-parameters \, :rest-parameter) parameters-optional-and-rest)
|
|
|
|
(production :required-parameters (:required-parameter) required-parameters-one)
|
|
(production :required-parameters (:required-parameters \, :required-parameter) required-parameters-more)
|
|
|
|
(production :optional-parameters (:optional-parameter) optional-parameters-one)
|
|
(production :optional-parameters (:required-parameters \, :optional-parameter) optional-parameters-required-more)
|
|
(production :optional-parameters (:optional-parameters \, :optional-parameter) optional-parameters-optional-more)
|
|
|
|
(production :required-parameter ((:typed-identifier allow-in)) required-parameter-typed-identifier)
|
|
|
|
(production :optional-parameter ((:typed-identifier allow-in) = (:assignment-expression allow-in)) optional-parameter-assignment-expression)
|
|
|
|
(production :rest-parameter (\.\.\.) rest-parameter-none)
|
|
(production :rest-parameter (\.\.\. (:typed-identifier allow-in)) rest-parameter-typed-identifier)
|
|
(production :rest-parameter (\.\.\. (:typed-identifier allow-in) = (:assignment-expression allow-in)) rest-parameter-assignment-expression)
|
|
|
|
(production :result-signature () result-signature-none)
|
|
(production :result-signature (\: (:type-expression allow-in)) result-signature-colon-and-type-expression)
|
|
;(production :result-signature ((:- {) (:type-expression allow-in)) result-signature-type-expression)
|
|
|
|
|
|
(%section "Class Definition")
|
|
(production :class-definition (class :identifier :superclasses :block) class-definition-normal)
|
|
(production :class-definition (class extends (:type-expression allow-in) :block) class-definition-augmented)
|
|
|
|
(production :superclasses () superclasses-none)
|
|
(production :superclasses (extends (:type-expression allow-in)) superclasses-one)
|
|
|
|
|
|
(%subsection "Language Declaration")
|
|
(production (:language-declaration :omega_3) (language :language-id :language-id-list :language-alternatives (:language-semicolon :omega_3))
|
|
language-declaration-one-or-more)
|
|
|
|
(production (:language-semicolon :omega_3) (\;) language-semicolon-semicolon)
|
|
(production (:language-semicolon abbrev) () language-semicolon-abbrev)
|
|
(production (:language-semicolon abbrev-non-empty) () language-semicolon-abbrev-non-empty)
|
|
|
|
(production :language-alternatives () language-alternatives-none)
|
|
(production :language-alternatives (:language-alternatives \| :language-id-list) language-alternatives-more)
|
|
|
|
(production :language-id-list () language-id-list-none)
|
|
(production :language-id-list (:language-id-list :language-id) language-id-list-more)
|
|
|
|
(production :language-id (:identifier) language-id-identifier)
|
|
(production :language-id ($number) language-id-number)
|
|
|
|
(%section "Programs")
|
|
|
|
(production :program (:top-statements) program-top-statements)
|
|
)))
|
|
|
|
(defparameter *jg* (world-grammar *jw* 'code-grammar)))
|
|
|
|
|
|
|
|
; Print a list of states that have both $REGULAR-EXPRESSION and either / or /= as valid lookaheads.
|
|
(defun show-regexp-and-division-states (grammar)
|
|
(all-state-transitions
|
|
#'(lambda (state transitions-hash)
|
|
(when (and (gethash '$regular-expression transitions-hash)
|
|
(or (gethash '/ transitions-hash) (gethash '/= transitions-hash)))
|
|
(format *error-output* "State ~S~%" state)))
|
|
grammar))
|
|
|
|
|
|
; Return five values:
|
|
; A list of terminals that may precede a $regular-expression terminal;
|
|
; A list of terminals that may precede a $virtual-semicolon but not / or /= terminal;
|
|
; A list of terminals that may precede a / or /= terminal;
|
|
; The intersection of the $regular-expression and /|/= lists.
|
|
; The intersection of the $regular-expression|$virtual-semicolon and /|/= lists.
|
|
;
|
|
; USE ONLY ON canonical-lr-1 grammars.
|
|
; DON'T RUN THIS AFTER CALLING forward-parser-states.
|
|
(defun show-regexp-and-division-predecessors (grammar)
|
|
(let* ((nstates (length (grammar-states grammar)))
|
|
(state-predecessors (make-array nstates :element-type 'terminalset :initial-element *empty-terminalset*)))
|
|
(dolist (state (grammar-states grammar))
|
|
(dolist (transition-pair (state-transitions state))
|
|
(let ((transition (cdr transition-pair)))
|
|
(when (eq (transition-kind transition) :shift)
|
|
(terminalset-union-f (svref state-predecessors (state-number (transition-state transition)))
|
|
(make-terminalset grammar (car transition-pair)))))))
|
|
(let ((regexp-predecessors *empty-terminalset*)
|
|
(virtual-predecessors *empty-terminalset*)
|
|
(div-predecessors *empty-terminalset*))
|
|
(all-state-transitions
|
|
#'(lambda (state transitions-hash)
|
|
(let ((predecessors (svref state-predecessors (state-number state))))
|
|
(when (gethash '$regular-expression transitions-hash)
|
|
(terminalset-union-f regexp-predecessors predecessors))
|
|
(if (or (gethash '/ transitions-hash) (gethash '/= transitions-hash))
|
|
(terminalset-union-f div-predecessors predecessors)
|
|
(when (gethash '$virtual-semicolon transitions-hash)
|
|
(terminalset-union-f virtual-predecessors predecessors)))))
|
|
grammar)
|
|
(values
|
|
(terminalset-list grammar regexp-predecessors)
|
|
(terminalset-list grammar virtual-predecessors)
|
|
(terminalset-list grammar div-predecessors)
|
|
(terminalset-list grammar (terminalset-intersection regexp-predecessors div-predecessors))
|
|
(terminalset-list grammar (terminalset-intersection (terminalset-union regexp-predecessors virtual-predecessors) div-predecessors))))))
|
|
|
|
|
|
(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 'class 'const 'debugger 'enum 'export 'extends 'final 'goto 'implements 'import
|
|
'interface 'native 'package 'private 'protected 'public 'static 'super 'synchronized
|
|
'throws 'transient 'volatile))
|
|
(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)))))
|
|
|
|
|
|
#|
|
|
(depict-rtf-to-local-file
|
|
"JS20/ParserGrammar.rtf"
|
|
"JavaScript 2.0 Parser Grammar"
|
|
#'(lambda (markup-stream)
|
|
(depict-js-terminals markup-stream *jg*)
|
|
(depict-world-commands markup-stream *jw* :visible-semantics nil)))
|
|
|
|
(depict-html-to-local-file
|
|
"JS20/ParserGrammar.html"
|
|
"JavaScript 2.0 Parser Grammar"
|
|
t
|
|
#'(lambda (markup-stream)
|
|
(depict-js-terminals markup-stream *jg*)
|
|
(depict-world-commands markup-stream *jw* :visible-semantics nil)))
|
|
|
|
(with-local-output (s "JS20/ParserGrammar.txt") (print-grammar *jg* s))
|
|
|#
|
|
|
|
(ensure-lf-subset *jg*)
|
|
(forward-parser-states *jg*)
|
|
#+allegro (clean-grammar *jg*) ;Remove this line if you wish to print the grammar's state tables.
|
|
(length (grammar-states *jg*))
|