Browsable FL Grammar

Grammar extracted by Vadim Zaytsev, see the Grammar Zoo entry for details: toy/fl/abstract/java/om/extracted
Source used for this grammar: Ralf Lämmel, ..., Program.java, Function.java, 17 May – 28 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 (Apply, Argument, Binary, Expr, Function, IfThenElse, Literal, Ops, Program, Visitor), 0 root (—), 2 top (Program, Visitor), 0 bottom (—).
• Total 14 labels: [name] ³, [args] ², [ops], [left], [right], [rhs], [ifExpr], [thenExpr], [elseExpr], [info], [Equal], [Plus], [Minus], [functions].

Syntax

Apply ::=
	[name]::string [args]::Expr*

Argument ::=
	[name]::string

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

Expr ::=
	Apply
	Argument
	Binary
	IfThenElse
	Literal

Function ::=
	[name]::string [args]::string* [rhs]::Expr

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

Literal ::=
	[info]::integer

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

Program ::=
	[functions]::Function*

Visitor ::=
	φ

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