Browsable FL Grammar

Grammar extracted by Vadim Zaytsev, see the Grammar Zoo entry for details: toy/fl/abstract/xsd/extracted
Source used for this grammar: Ralf Lämmel, fl.xsd, 20 May – 29 July 2008 [GitHub]

Summary

• Total 10 production rules with 16 top alternatives and 69 symbols.
• Vocabulary: 24 = 10 nonterminals + 0 terminals + 14 labels + 0 markers.
• Total 10 nonterminal symbols: 10 defined (Program, Fragment, Function, Expr, Literal, Argument, Binary, Ops, IfThenElse, Apply), 2 root (Program, Fragment), 0 top (—), 0 bottom (—).
• Total 14 labels: [function], [name] ³, [arg] ², [rhs], [info], [ops], [left], [right], [Equal], [Plus], [Minus], [ifExpr], [thenExpr], [elseExpr].

Syntax

Program ::=
	[function]::Function+

Fragment ::=
	Expr

Function ::=
	[name]::string [arg]::string+ [rhs]::Expr

Expr ::=
	Literal
	Argument
	Binary
	IfThenElse
	Apply

Literal ::=
	[info]::integer

Argument ::=
	[name]::string

Binary ::=
	[ops]::Ops [left]::Expr [right]::Expr

Ops ::=
	[Equal]::ε
	[Plus]::ε
	[Minus]::ε

IfThenElse ::=
	[ifExpr]::Expr [thenExpr]::Expr [elseExpr]::Expr

Apply ::=
	[name]::string [arg]::Expr+

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