Browsable PL/I Grammar

Grammar extracted by Vadim Zaytsev, see the Grammar Zoo entry for details: pl1/bruneliere/extracted
Source used for this grammar: Hugo Brunelière, PL/1 0.1, PL1.ecore, 2005/08/11

Summary

• Total 27 production rules with 27 top alternatives and 147 symbols.
• Vocabulary: 39 = 18 nonterminals + 0 terminals + 21 labels + 0 markers.
• Total 18 nonterminal symbols: 18 defined (PLIClassifier, PLISimpleType, PLINamedType, PLIComposedType, PLIAlias, PLIAttribute, PLIComputationalType, PLINonComputationalType, PLIElement, PLIElementInitialValue, PLISourceText, PLIArray, PLIFixedBoundArray, PLIFixedLboundArray, PLIHBoundArray, PLIVariableBoundArray, String, Integer), 0 root (—), 0 top (—), 0 bottom (—).
• Total 21 labels: [name] ³, [typedElements] ², [alias] ³, [elements], [type], [contains], [level], [sharedType], [group], [initial], [source] ², [array], [initialValue], [fileName], [arrayOf], [IBound] ², [uBound] ², [referredTo] ⁴, [uBoundToAllocate], [IBoundToAllocate] ², [hBoundToAllocate].

Syntax

PLIClassifier ::=
	PLISimpleType

PLIClassifier ::=
	PLINamedType

PLIClassifier ::=
	PLIComposedType

PLIClassifier ::=
	[name]::String [typedElements]::PLIElement+

PLISimpleType ::=
	PLIComputationalType

PLISimpleType ::=
	PLINonComputationalType

PLISimpleType ::=
	[alias]::PLIAlias

PLINamedType ::=
	[name]::String [typedElements]::PLIElement+

PLIComposedType ::=
	[elements]::PLIElement+

PLIAlias ::=
	[type]::PLISimpleType [contains]::PLIAttribute+

PLIAttribute ::=
	ε

PLIComputationalType ::=
	[alias]::PLIAlias

PLINonComputationalType ::=
	[alias]::PLIAlias

PLIElement ::=
	[level]::String [name]::String [sharedType]::PLIClassifier [group]::PLIComposedType [initial]::PLIElementInitialValue [source]::PLISourceText [array]::PLIArray

PLIElementInitialValue ::=
	[initialValue]::String

PLISourceText ::=
	[source]::String [fileName]::String

PLIArray ::=
	PLIFixedBoundArray

PLIArray ::=
	PLIFixedLboundArray

PLIArray ::=
	PLIHBoundArray

PLIArray ::=
	PLIVariableBoundArray

PLIArray ::=
	[arrayOf]::PLIElement

PLIFixedBoundArray ::=
	[IBound]::Integer [uBound]::Integer [referredTo]::PLIElement

PLIFixedLboundArray ::=
	[IBound]::Integer [uBoundToAllocate]::String [referredTo]::PLIElement

PLIHBoundArray ::=
	[uBound]::Integer [IBoundToAllocate]::String [referredTo]::PLIElement

PLIVariableBoundArray ::=
	[IBoundToAllocate]::String [hBoundToAllocate]::String [referredTo]::PLIElement

String ::=
	string

Integer ::=
	integer

Maintained by Dr. Vadim Zaytsev a.k.a. @grammarware. Last updated in September 2015. [↑]