Goal -> (Program | Package | Library | Unit)

Program -> [PROGRAM Ident ['(' IdentList ')'] ';']
ProgramBlock '.'

Unit -> UNIT Ident ';'
InterfaceSection
ImplementationSection
InitSection '.'

Package -> PACKAGE Ident ';'
[RequiresClause]
[ContainsClause]
END '.'

Library -> LIBRARY Ident ';'
ProgramBlock '.'

ProgramBlock -> [UsesClause]
Block

UsesClause -> USES IdentList ';'

InterfaceSection -> INTERFACE
[UsesClause]
[InterfaceDecl]...

InterfaceDecl -> ConstSection
-> TypeSection
-> VarSection
-> ExportedHeading

ExportedHeading -> ProcedureHeading ';' [Directive]
-> FunctionHeading ';' [Directive]

ImplementationSection -> IMPLEMENTATION
[UsesClause]
[DeclSection]...

Block -> [DeclSection]
CompoundStmt

DeclSection -> LabelDeclSection
-> ConstSection
-> TypeSection
-> VarSection
-> ProcedureDeclSection

LabelDeclSection -> LABEL LabelId

ConstSection -> CONST (ConstantDecl ';')...

ConstantDecl -> Ident '=' ConstExpr
-> Ident ':' TypeId '=' TypedConstant

TypeSection -> TYPE (TypeDecl ';')...

TypeDecl -> Ident '=' Type
-> Ident '=' RestrictedType

TypedConstant -> (ConstExpr | ArrayConstant | RecordConstant)

ArrayConstant -> '(' TypedConstant/','... ')'

RecordConstant -> '(' RecordFieldConstant/';'... ')'

RecordFieldConstant -> Ident ':' TypedConstant

Type -> TypeId
-> SimpleType
-> StrucType
-> PointerType
-> StringType
-> ProcedureType
-> VariantType
-> ClassRefType

RestrictedType -> ObjectType
-> ClassType
-> InterfaceType

ClassRefType -> CLASS OF TypeId

SimpleType -> (OrdinalType | RealType)

RealType -> REAL48
-> REAL
-> SINGLE
-> DOUBLE
-> EXTENDED
-> CURRENCY
-> COMP

OrdinalType -> (SubrangeType | EnumeratedType | OrdIdent)

OrdIdent -> SHORTINT
-> SMALLINT
-> INTEGER
-> BYTE
-> LONGINT
-> INT64
-> WORD
-> BOOLEAN
-> CHAR
-> WIDECHAR
-> LONGWORD
-> PCHAR

VariantType -> VARIANT
-> OLEVARIANT

SubrangeType -> ConstExpr '..' ConstExpr

EnumeratedType -> '(' IdentList ')'

StringType -> STRING
-> ANSISTRING
-> WIDESTRING
-> STRING '[' ConstExpr ']'

StrucType -> [PACKED] (ArrayType | SetType | FileType | RecType)

ArrayType -> ARRAY ['[' OrdinalType/','... ']'] OF Type

RecType -> RECORD [FieldList] END

FieldList -> FieldDecl/';'... [VariantSection] [';']

FieldDecl -> IdentList ':' Type

VariantSection -> CASE [Ident ':'] TypeId OF RecVariant/';'...

RecVariant -> ConstExpr/','... ':' '(' [FieldList] ')'

SetType -> SET OF OrdinalType

FileType -> FILE OF TypeId

PointerType -> '^' TypeId

ProcedureType -> (ProcedureHeading | FunctionHeading) [OF OBJECT]

VarSection -> VAR (VarDecl ';')...

VarDecl -> IdentList ':' Type [(ABSOLUTE (Ident | ConstExpr)) | '=' ConstExpr]

Expression -> SimpleExpression [RelOp SimpleExpression]...

SimpleExpression -> ['+' | '-'] Term [AddOp Term]...

Term -> Factor [MulOp Factor]...

Factor -> Designator ['(' ExprList ')']
-> '' Designator
-> Number
-> String
-> NIL
-> '(' Expression ')'
-> NOT Factor
-> SetConstructor
-> TypeId '(' Expression ')'

RelOp -> '>'
-> '<'
-> '<='
-> '>='
-> '<>'
-> IN
-> IS
-> AS

AddOp -> '+'
-> '-'
-> OR
-> XOR

MulOp -> '*'
-> '/'
-> DIV
-> MOD
-> AND
-> SHL
-> SHR

Designator -> QualId ['.' Ident | '[' ExprList ']' | '^']...

SetConstructor -> '[' [SetElement/','...] ']'

SetElement -> Expression ['..' Expression]

ExprList -> Expression/','...

Statement -> [LabelId ':'] [SimpleStatement | StructStmt]

StmtList -> Statement/';'...

SimpleStatement -> Designator ['(' ExprList ')']
-> Designator ':=' Expression
-> INHERITED
-> GOTO LabelId

StructStmt -> CompoundStmt
-> ConditionalStmt
-> LoopStmt
-> WithStmt

CompoundStmt -> BEGIN StmtList END

ConditionalStmt -> IfStmt
-> CaseStmt

IfStmt -> IF Expression THEN Statement [ELSE Statement]

CaseStmt -> CASE Expression OF CaseSelector/';'... [ELSE Statement] [';'] END

CaseSelector -> CaseLabel/','... ':' Statement

CaseLabel -> ConstExpr ['..' ConstExpr]

LoopStmt -> RepeatStmt
-> WhileStmt
-> ForStmt

RepeatStmt -> REPEAT Statement UNTIL Expression

WhileStmt -> WHILE Expression DO Statement

ForStmt -> FOR QualId ':=' Expression (TO | DOWNTO) Expression DO Statement

WithStmt -> WITH IdentList DO Statement

ProcedureDeclSection -> ProcedureDecl
-> FunctionDecl

ProcedureDecl -> ProcedureHeading ';' [Directive]
Block ';'

FunctionDecl -> FunctionHeading ';' [Directive]
Block ';'

FunctionHeading -> FUNCTION Ident [FormalParameters] ':' (SimpleType | STRING)

ProcedureHeading -> PROCEDURE Ident [FormalParameters]

FormalParameters -> '(' FormalParm/';'... ')'

FormalParm -> [VAR | CONST | OUT] Parameter

Parameter -> IdentList [':' ([ARRAY OF] SimpleType | STRING | FILE)]
-> Ident ':' SimpleType '=' ConstExpr

Directive -> CDECL
-> REGISTER
-> DYNAMIC
-> VIRTUAL
-> EXPORT
-> EXTERNAL
-> FAR
-> FORWARD
-> MESSAGE
-> OVERRIDE
-> OVERLOAD
-> PASCAL
-> REINTRODUCE
-> SAFECALL
-> STDCALL

ObjectType -> OBJECT [ObjHeritage] [ObjFieldList] [MethodList] END

ObjHeritage -> '(' QualId ')'

MethodList -> (MethodHeading [';' VIRTUAL])/';'...

MethodHeading -> ProcedureHeading
-> FunctionHeading
-> ConstructorHeading
-> DestructorHeading

ConstructorHeading -> CONSTRUCTOR Ident [FormalParameters]

DestructorHeading -> DESTRUCTOR Ident [FormalParameters]

ObjFieldList -> (IdentList ':' Type)/';'...

InitSection -> INITIALIZATION StmtList [FINALIZATION StmtList] END
-> BEGIN StmtList END
-> END

ClassType -> CLASS [ClassHeritage]
[ClassFieldList]
[ClassMethodList]
[ClassPropertyList]
END

ClassHeritage -> '(' IdentList ')'

ClassVisibility -> [PUBLIC | PROTECTED | PRIVATE | PUBLISHED]

ClassFieldList -> (ClassVisibility ObjFieldList)/';'...

ClassMethodList -> (ClassVisibility MethodList)/';'...

ClassPropertyList -> (ClassVisibility PropertyList ';')...

PropertyList -> PROPERTY Ident [PropertyInterface] PropertySpecifiers

PropertyInterface -> [PropertyParameterList] ':' Ident

PropertyParameterList -> '[' (IdentList ':' TypeId)/';'... ']'

PropertySpecifiers -> [INDEX ConstExpr]
[READ Ident]
[WRITE Ident]
[STORED (Ident | Constant)]
[(DEFAULT ConstExpr) | NODEFAULT]
[IMPLEMENTS TypeId]

InterfaceType -> INTERFACE [InterfaceHeritage]
[ClassMethodList]
[ClassPropertyList]
END

InterfaceHeritage -> '(' IdentList ')'

RequiresClause -> REQUIRES IdentList... ';'

ContainsClause -> CONTAINS IdentList... ';'

IdentList -> Ident/','...

QualId -> [UnitId '.'] Ident

TypeId -> [UnitId '.']

Ident ->

ConstExpr ->

UnitId ->

LabelId ->

Number ->

String ->

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