608 lines
22 KiB
Scheme
608 lines
22 KiB
Scheme
#cs
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(module intermediate-parser mzscheme
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(require "general-parsing.ss"
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"lexer.ss"
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"../ast.ss"
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"../parameters.ss")
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(require (lib "yacc.ss" "parser-tools")
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(all-except (lib "lex.ss" "parser-tools") input-port)
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(lib "readerr.ss" "syntax"))
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(require-for-syntax "lexer.ss")
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;(require (lib "build-grammar.ss" "tester"))
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(define-syntax testing-parser
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(syntax-rules ()
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((_ parse-info ...) (parser parse-info ...))))
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(provide parse-intermediate parse-intermediate-interactions
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parse-intermediate-expression parse-intermediate-type)
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;(provide intermediate-grammar)
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(define parsers
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(testing-parser
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(start CompilationUnit IntermediateInteractions Expression Type)
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;;(debug "parser.output")
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(tokens java-vals special-toks Keywords Separators EmptyLiterals Operators)
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;(terminals val-tokens special-tokens keyword-tokens separator-tokens literal-tokens operator-tokens)
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(error (lambda (tok-ok name val start-pos end-pos)
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(if ((determine-error))
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(raise-read-error (format "Parse error near <~a:~a>" name val)
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(file-path)
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(position-line start-pos)
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(position-col start-pos)
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(+ (position-offset start-pos) (interactions-offset))
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(- (position-offset end-pos)
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(position-offset start-pos))))))
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(end EOF)
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(src-pos)
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(grammar
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;; 19.3
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(Literal
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[(INTEGER_LIT) (make-literal 'int (build-src 1) $1)]
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[(LONG_LIT) (make-literal 'long (build-src 1) $1)]
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[(FLOAT_LIT) (make-literal 'float (build-src 1) $1)]
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[(DOUBLE_LIT) (make-literal 'double (build-src 1) $1)]
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[(TRUE_LIT) (make-literal 'boolean (build-src 1) #t)]
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[(FALSE_LIT) (make-literal 'boolean (build-src 1) #f)]
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[(CHAR_LIT) (make-literal 'char (build-src 1) $1)]
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[(STRING_LIT) (make-literal 'string
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(make-src (position-line $1-start-pos)
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(position-col $1-start-pos)
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(+ (position-offset $1-start-pos) (interactions-offset))
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(- (position-offset (cadr $1)) (position-offset $1-start-pos))
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(file-path))
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(car $1))]
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[(NULL_LIT) (make-literal 'null (build-src 1) #f)])
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;; 19.4
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(Type
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[(PrimitiveType) $1]
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[(ReferenceType) $1])
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(PrimitiveType
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[(NumericType) $1]
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[(boolean) (make-type-spec 'boolean 0 (build-src 1))])
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(NumericType
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[(IntegralType) $1]
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[(FloatingPointType) $1])
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(IntegralType
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[(byte) (make-type-spec 'byte 0 (build-src 1))]
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[(short) (make-type-spec 'short 0 (build-src 1))]
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[(int) (make-type-spec 'int 0 (build-src 1))]
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[(long) (make-type-spec 'long 0 (build-src 1))]
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[(char) (make-type-spec 'char 0 (build-src 1))])
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(FloatingPointType
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[(float) (make-type-spec 'float 0 (build-src 1))]
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[(double) (make-type-spec 'double 0 (build-src 1))])
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(ReferenceType
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;; GJ - To fix the problem mentioned below
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;; [(ClassOrInterfaceType) #t]
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;; GJ - Some type variables will come out as names, so a post-pass needs
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;; to convert them to type-vars
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[(Name) (make-type-spec $1 0 (build-src 1))]
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)
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(ClassOrInterfaceType
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[(Name) $1])
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(ClassType
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[(ClassOrInterfaceType) $1])
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(InterfaceType
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[(ClassOrInterfaceType) $1])
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;;19.5
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(Name
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[(IDENTIFIER) (make-name (make-id $1 (build-src 1)) null (build-src 1))]
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[(Name PERIOD IDENTIFIER)
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(make-name (make-id $3 (build-src 3 3))
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(append (name-path $1) (list (name-id $1)))
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(build-src 3))])
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;; 19.6
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(CompilationUnit
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[(ImportDeclarations TypeDeclarations) (make-package #f (reverse $1) (reverse $2))]
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[(TypeDeclarations) (make-package #f null (reverse $1))]
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[(ImportDeclarations) (make-package #f (reverse $1) null)]
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[() (make-package #f null null)])
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(ImportDeclarations
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[(ImportDeclaration) (list $1)]
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[(ImportDeclarations ImportDeclaration) (cons $2 $1)])
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(ImportDeclaration
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[(import Name SEMI_COLON) (make-import $2 #f (build-src 1) (build-src 3) (file-path))]
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[(import Name PERIOD * SEMI_COLON)
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(make-import $2 #t (build-src 1) (build-src 5) (file-path))])
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(IntermediateInteractions
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[(Statement) $1]
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[(Expression) $1]
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[(FieldDeclaration) $1]
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[() null])
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(TypeDeclarations
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[(TypeDeclaration) (if $1 (list $1) null)]
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[(TypeDeclarations TypeDeclaration) (if $2
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(cons $2 $1)
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$1)])
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(TypeDeclaration
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[(ClassDeclaration) $1]
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[(InterfaceDeclaration) $1]
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[(INTERACTIONS_BOX) $1]
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[(CLASS_BOX) (parse-class-box $1 (build-src 1) 'intermediate)]
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[(EXAMPLE) $1]
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[(TEST_SUITE) $1]
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[(SEMI_COLON) #f])
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;; 19.7
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(Modifiers
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[(Modifier) (list $1)])
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; [(Modifiers Modifier) (cons $2 $1)])
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(Modifier
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[(abstract) (make-modifier 'abstract (build-src 1))])
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;; 19.8.1
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(ClassDeclaration
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[(Modifiers class IDENTIFIER Super Interfaces ClassBody)
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(make-class-def (make-header (make-id $3 (build-src 3 3)) $1 $4 $5 null (build-src 5))
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$6
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(build-src 2 2)
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(build-src 6)
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(file-path)
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'intermediate
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null 'top null)]
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[(class IDENTIFIER Super Interfaces ClassBody)
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(make-class-def (make-header (make-id $2 (build-src 2 2)) null $3 $4 null (build-src 4))
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$5
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(build-src 1)
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(build-src 5)
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(file-path)
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'intermediate
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null 'top null)])
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(Super
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[() null]
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[(extends ClassType) (list $2)])
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(Interfaces
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[() null]
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[(implements InterfaceTypeList) $2])
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(InterfaceTypeList
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[(InterfaceType) (list $1)]
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[(InterfaceTypeList COMMA InterfaceType) (cons $3 $1)])
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(ClassBody
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[(O_BRACE ClassBodyDeclarations C_BRACE) (reverse $2)])
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(ClassBodyDeclarations
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[() null]
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[(ClassBodyDeclarations ClassBodyDeclaration)
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(cond
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((not $2) $1)
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((list? $2) (append $2 $1))
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(else (cons $2 $1)))])
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(ClassBodyDeclaration
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[(ClassMemberDeclaration) $1]
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[(ConstructorDeclaration) $1]
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[(SEMI_COLON) #f])
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(ClassMemberDeclaration
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[(FieldDeclaration) $1]
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[(MethodDeclaration) $1])
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;; 19.8.2
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(FieldDeclaration
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[(Type VariableDeclarators SEMI_COLON)
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(map (lambda (d) (build-field-decl null $1 d)) (reverse $2))])
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(VariableDeclarators
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[(VariableDeclarator) (list $1)]
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[(VariableDeclarators COMMA VariableDeclarator) (cons $3 $1)])
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(VariableDeclarator
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[(VariableDeclaratorId) $1]
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[(VariableDeclaratorId = VariableInitializer)
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(make-var-init $1 $3 (build-src 3))])
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(VariableDeclaratorId
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[(IDENTIFIER)
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(make-var-decl (make-id $1 (build-src 1))
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(list (make-modifier 'public #f))
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(make-type-spec #f 0 (build-src 1)) #f (build-src 1))])
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(VariableInitializer
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[(Expression) $1])
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;; 19.8.3
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(MethodDeclaration
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[(MethodHeader MethodBody) (make-method (method-modifiers $1)
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(method-type $1)
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(method-type-parms $1)
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(method-name $1)
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(method-parms $1)
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(method-throws $1)
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$2
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#f
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#f
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(build-src 2))])
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(MethodHeader
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[(Modifiers Type MethodDeclarator) (construct-method-header (cons (make-modifier 'public #f) $1) null $2 $3 null)]
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[(Modifiers void MethodDeclarator)
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(construct-method-header (cons (make-modifier 'public #f) $1)
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null
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(make-type-spec 'void 0 (build-src 2 2))
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$3
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null)]
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[(Type MethodDeclarator) (construct-method-header (list (make-modifier 'public #f)) null $1 $2 null)]
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[(void MethodDeclarator)
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(construct-method-header (list (make-modifier 'public #f))
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null
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(make-type-spec 'void 0 (build-src 1 1))
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$2
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null)])
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(MethodDeclarator
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[(IDENTIFIER O_PAREN FormalParameterList C_PAREN) (list (make-id $1 (build-src 1)) (reverse $3) 0)]
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[(IDENTIFIER O_PAREN C_PAREN) (list (make-id $1 (build-src 1)) null 0)])
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(FormalParameterList
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[(FormalParameter) (list $1)]
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[(FormalParameterList COMMA FormalParameter) (cons $3 $1)])
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(FormalParameter
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[(Type VariableDeclaratorId) (build-field-decl null $1 $2)])
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(MethodBody
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[(Block) $1]
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[(SEMI_COLON) #f])
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;; 19.8.5
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(ConstructorDeclaration
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[(ConstructorDeclarator ConstructorBody)
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(make-method (list (make-modifier 'public #f))
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(make-type-spec 'ctor 0 (build-src 2)) null (car $1)
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(cadr $1) null $2 #f #f (build-src 2))])
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(ConstructorDeclarator
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[(IDENTIFIER O_PAREN FormalParameterList C_PAREN) (list (make-id $1 (build-src 1)) (reverse $3))]
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[(IDENTIFIER O_PAREN C_PAREN) (list (make-id $1 (build-src 1)) null)])
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(ConstructorBody
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[(O_BRACE ExplicitConstructorInvocation BlockStatements C_BRACE)
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(make-block (cons $2 (reverse $3)) (build-src 4))]
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[(O_BRACE ExplicitConstructorInvocation C_BRACE)
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(make-block (list $2) (build-src 3))]
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[(O_BRACE BlockStatements C_BRACE)
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(make-block
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(cons (make-call #f (build-src 3) #f (make-special-name #f #f "super") null #f)
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(reverse $2))
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(build-src 3))]
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[(O_BRACE C_BRACE)
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(make-block
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(list (make-call #f (build-src 2)
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#f (make-special-name #f #f "super") null #f))
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(build-src 2))])
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(ExplicitConstructorInvocation
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[(super O_PAREN ArgumentList C_PAREN SEMI_COLON)
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(make-call #f (build-src 5)
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#f (make-special-name #f (build-src 1) "super") (reverse $3) #f)]
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[(super O_PAREN C_PAREN SEMI_COLON)
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(make-call #f (build-src 4)
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#f (make-special-name #f (build-src 1) "super") null #f)])
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;; 19.9.1
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(InterfaceDeclaration
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[(interface IDENTIFIER ExtendsInterfaces InterfaceBody)
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(make-interface-def (make-header (make-id $2 (build-src 2 2)) (list (make-modifier 'public #f))
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$3 null null (build-src 3))
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$4
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(build-src 1)
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(build-src 4)
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(file-path)
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'intermedaite
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null 'top null)]
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[(interface IDENTIFIER InterfaceBody)
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(make-interface-def (make-header (make-id $2 (build-src 2 2))(list (make-modifier 'public #f))
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null null null (build-src 2))
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$3
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(build-src 1)
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(build-src 3)
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(file-path)
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'intermdediate
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null 'top null)])
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(ExtendsInterfaces
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[(extends InterfaceType) (list $2)]
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[(ExtendsInterfaces COMMA InterfaceType) (cons $3 $1)])
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(InterfaceBody
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[(O_BRACE InterfaceMemberDeclarations C_BRACE) $2])
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(InterfaceMemberDeclarations
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[() null]
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[(InterfaceMemberDeclarations InterfaceMemberDeclaration)
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(cond
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((not $2) $1)
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((list? $2) (append $2 $1))
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(else (cons $2 $1)))])
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(InterfaceMemberDeclaration
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[(AbstractMethodDeclaration) $1]
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[(SEMI_COLON) #f])
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(AbstractMethodDeclaration
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[(MethodHeader SEMI_COLON) $1])
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(VariableInitializers
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[(VariableInitializer) (list $1)]
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[(VariableInitializers COMMA VariableInitializer) (cons $3 $1)])
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;; 19.11
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(Block
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[(O_BRACE BlockStatements C_BRACE) (make-block (reverse $2) (build-src 3))]
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[(O_BRACE C_BRACE) (make-block null (build-src 2))])
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(BlockStatements
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[(BlockStatement) (cond
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((list? $1) $1)
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(else (list $1)))]
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[(BlockStatements BlockStatement) (cond
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((list? $2)
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(append (reverse $2) $1))
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(else
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(cons $2 $1)))])
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(BlockStatement
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[(LocalVariableDeclarationStatement) $1]
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[(Statement) $1])
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(LocalVariableDeclarationStatement
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[(LocalVariableDeclaration SEMI_COLON) $1])
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(LocalVariableDeclaration
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[(Type VariableDeclarators)
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(map (lambda (d) (build-field-decl null $1 d)) (reverse $2))])
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(Statement
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[(StatementWithoutTrailingSubstatement) $1]
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[(IfThenElseStatement) $1])
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(StatementNoShortIf
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[(StatementWithoutTrailingSubstatement) $1]
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[(IfThenElseStatementNoShortIf) $1])
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(StatementWithoutTrailingSubstatement
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[(Block) $1]
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[(EmptyStatement) $1]
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[(Assignment SEMI_COLON) $1]
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[(ExpressionStatement) $1]
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[(ReturnStatement) $1])
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(EmptyStatement
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[(SEMI_COLON) (make-block null (build-src 1))])
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(ExpressionStatement
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[(StatementExpression SEMI_COLON) $1])
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(StatementExpression
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[(MethodInvocation) $1]
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[(ClassInstanceCreationExpression) $1])
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(IfThenElseStatement
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[(if O_PAREN Expression C_PAREN StatementNoShortIf else Statement)
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(make-ifS $3 $5 $7 (build-src 1) (build-src 7))])
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(IfThenElseStatementNoShortIf
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[(if O_PAREN Expression C_PAREN StatementNoShortIf else StatementNoShortIf)
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(make-ifS $3 $5 $7 (build-src 1) (build-src 7))])
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(StatementExpressionList
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[(StatementExpression) (list $1)]
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[(StatementExpressionList COMMA StatementExpression) (cons $3 $1)])
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(ReturnStatement
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[(return Expression SEMI_COLON) (make-return $2 #f (build-src 3))]
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[(return SEMI_COLON) (make-return #f #f (build-src 2))])
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;; 19.12
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(Primary
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[(PrimaryNoNewArray) $1])
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(PrimaryNoNewArray
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[(Literal) $1]
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[(this) (make-special-name #f (build-src 1) "this")]
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[(O_PAREN Expression C_PAREN) $2]
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[(ClassInstanceCreationExpression) $1]
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[(FieldAccess) $1]
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[(MethodInvocation) $1])
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(ClassInstanceCreationExpression
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[(new ClassOrInterfaceType O_PAREN ArgumentList C_PAREN)
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(make-class-alloc #f (build-src 5) $2 (reverse $4) #f #f #f)]
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[(new ClassOrInterfaceType O_PAREN C_PAREN)
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(make-class-alloc #f (build-src 4) $2 null #f #f #f)])
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(ArgumentList
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[(Expression) (list $1)]
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[(ArgumentList COMMA Expression) (cons $3 $1)])
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(FieldAccess
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[(Primary PERIOD IDENTIFIER)
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(make-access #f (build-src 3) (make-field-access $1
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(make-id $3 (build-src 3 3)) #f))]
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[(super PERIOD IDENTIFIER)
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(make-access #f (build-src 3)
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(make-field-access (make-special-name #f (build-src 1)
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"super")
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(make-id $3 (build-src 3 3))
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#f))])
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(MethodInvocation
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[(Name O_PAREN ArgumentList C_PAREN) (build-name-call $1 (reverse $3) (build-src 4))]
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[(Name O_PAREN C_PAREN) (build-name-call $1 null (build-src 3))]
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[(Primary PERIOD IDENTIFIER O_PAREN ArgumentList C_PAREN)
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(make-call #f (build-src 6) $1 (make-id $3 (build-src 3 3)) (reverse $5) #f)]
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[(Primary PERIOD IDENTIFIER O_PAREN C_PAREN)
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(make-call #f (build-src 5) $1 (make-id $3 (build-src 3 3)) null #f)]
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[(super PERIOD IDENTIFIER O_PAREN ArgumentList C_PAREN)
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(make-call #f (build-src 6)
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(make-special-name #f (build-src 1) "super")
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(make-id $3 (build-src 3 3)) (reverse $5) #f)]
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[(super PERIOD IDENTIFIER O_PAREN C_PAREN)
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(make-call #f (build-src 5)
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(make-special-name #f (build-src 1) "super")
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(make-id $3 (build-src 3 3)) null #f)])
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(PostfixExpression
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[(Primary) $1]
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[(Name) (name->access $1)])
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(UnaryExpression
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[(+ UnaryExpression) (make-unary #f (build-src 2) '+ $2 (build-src 1))]
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[(- UnaryExpression) (make-unary #f (build-src 2) '- $2 (build-src 1))]
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[(UnaryExpressionNotPlusMinus) $1])
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(UnaryExpressionNotPlusMinus
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[(PostfixExpression) $1]
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|
[(~ UnaryExpression) (make-unary #f (build-src 2) '~ $2 (build-src 1))]
|
|
[(! UnaryExpression) (make-unary #f (build-src 2) '! $2 (build-src 1))]
|
|
[(CastExpression) $1])
|
|
|
|
(CastExpression
|
|
[(O_PAREN PrimitiveType C_PAREN UnaryExpression)
|
|
(make-cast #f (build-src 4) $2 $4)]
|
|
[(O_PAREN Expression C_PAREN UnaryExpressionNotPlusMinus)
|
|
(if (access? $2)
|
|
(make-cast #f (build-src 4)
|
|
(make-type-spec (access->name $2) 0 (build-src 2 2)) $4)
|
|
(error 'bad-cast))])
|
|
|
|
(MultiplicativeExpression
|
|
[(UnaryExpression) $1]
|
|
[(MultiplicativeExpression * UnaryExpression)
|
|
(make-bin-op #f (build-src 3) '* $1 $3 (build-src 2 2))]
|
|
[(MultiplicativeExpression / UnaryExpression)
|
|
(make-bin-op #f (build-src 3) '/ $1 $3 (build-src 2 2))]
|
|
[(MultiplicativeExpression % UnaryExpression)
|
|
(make-bin-op #f (build-src 3) '% $1 $3 (build-src 2 2))])
|
|
|
|
(AdditiveExpression
|
|
[(MultiplicativeExpression) $1]
|
|
[(AdditiveExpression + MultiplicativeExpression)
|
|
(make-bin-op #f (build-src 3) '+ $1 $3 (build-src 2 2))]
|
|
[(AdditiveExpression - MultiplicativeExpression)
|
|
(make-bin-op #f (build-src 3) '- $1 $3 (build-src 2 2))])
|
|
|
|
(ShiftExpression
|
|
[(AdditiveExpression) $1]
|
|
[(ShiftExpression << AdditiveExpression)
|
|
(make-bin-op #f (build-src 3) '<< $1 $3 (build-src 2 2))]
|
|
[(ShiftExpression >> AdditiveExpression)
|
|
(make-bin-op #f (build-src 3) '>> $1 $3 (build-src 2 2))]
|
|
[(ShiftExpression >>> AdditiveExpression)
|
|
(make-bin-op #f (build-src 3) '>>> $1 $3 (build-src 2 2))])
|
|
|
|
|
|
(RelationalExpression
|
|
[(ShiftExpression) $1]
|
|
;; GJ - changed to remove shift/reduce conflict
|
|
[(ShiftExpression < ShiftExpression)
|
|
(make-bin-op #f (build-src 3) '< $1 $3 (build-src 2 2))]
|
|
[(RelationalExpression > ShiftExpression)
|
|
(make-bin-op #f (build-src 3) '> $1 $3 (build-src 2 2))]
|
|
[(RelationalExpression <= ShiftExpression)
|
|
(make-bin-op #f (build-src 3) '<= $1 $3 (build-src 2 2))]
|
|
[(RelationalExpression >= ShiftExpression)
|
|
(make-bin-op #f (build-src 3) '>= $1 $3 (build-src 2 2))]
|
|
[(RelationalExpression instanceof ReferenceType)
|
|
(make-instanceof #f (build-src 3) $1 $3 (build-src 2 2))]
|
|
)
|
|
|
|
(EqualityExpression
|
|
[(RelationalExpression) $1]
|
|
[(EqualityExpression == RelationalExpression)
|
|
(make-bin-op #f (build-src 3) '== $1 $3 (build-src 2 2))]
|
|
[(EqualityExpression != RelationalExpression)
|
|
(make-bin-op #f (build-src 3) '!= $1 $3 (build-src 2 2))])
|
|
|
|
(AndExpression
|
|
[(EqualityExpression) $1]
|
|
[(AndExpression & EqualityExpression)
|
|
(make-bin-op #f (build-src 3) '& $1 $3 (build-src 2 2))])
|
|
|
|
(ExclusiveOrExpression
|
|
[(AndExpression) $1]
|
|
[(ExclusiveOrExpression ^ AndExpression)
|
|
(make-bin-op #f (build-src 3) '^ $1 $3 (build-src 2 2))])
|
|
|
|
(InclusiveOrExpression
|
|
[(ExclusiveOrExpression) $1]
|
|
[(InclusiveOrExpression PIPE ExclusiveOrExpression)
|
|
(make-bin-op #f (build-src 3) 'or $1 $3 (build-src 2 2))])
|
|
|
|
(ConditionalAndExpression
|
|
[(InclusiveOrExpression) $1]
|
|
[(ConditionalAndExpression && InclusiveOrExpression)
|
|
(make-bin-op #f (build-src 3) '&& $1 $3 (build-src 2 2))])
|
|
|
|
(ConditionalOrExpression
|
|
[(ConditionalAndExpression) $1]
|
|
[(ConditionalOrExpression OR ConditionalAndExpression)
|
|
(make-bin-op #f (build-src 3) 'oror $1 $3 (build-src 2 2))])
|
|
|
|
(ConditionalExpression
|
|
[(ConditionalOrExpression) $1])
|
|
|
|
(AssignmentExpression
|
|
[(ConditionalExpression) $1])
|
|
|
|
(Assignment
|
|
[(LeftHandSide AssignmentOperator AssignmentExpression)
|
|
(make-assignment #f (build-src 3) $1 $2 $3 (build-src 2 2))])
|
|
|
|
(LeftHandSide
|
|
[(Name) (name->access $1)]
|
|
[(FieldAccess) $1])
|
|
|
|
(AssignmentOperator
|
|
[(=) '=])
|
|
|
|
(Expression
|
|
[(AssignmentExpression) $1])
|
|
|
|
(ConstantExpression
|
|
[(Expression) $1]))))
|
|
|
|
;(define intermediate-grammar (cadr parsers))
|
|
;(set! parsers (car parsers))
|
|
|
|
(define parse-intermediate (car parsers))
|
|
(define parse-intermediate-interactions (cadr parsers))
|
|
(define parse-intermediate-expression (caddr parsers))
|
|
(define parse-intermediate-type (cadddr parsers))
|
|
|
|
)
|