The “Oslo” Modeling Language

Chapter 12. Languages

A language is a named collection of rules for imposing structure on text.

LanguageDeclaration:  Attributes_opt language Name LanguageBodyLanguageBody:  { RuleDeclarations_opt }RuleDeclarations:  RuleDeclaration  RuleDeclarations RuleDeclaration

The language that follows recognizes the single text value "Hello World":

module HelloWorld {    language HelloWorld {        syntax Main          = "Hello World";    }}

12.1 Main Rule

A language may consist of any number of rules. The following language recognizes the single text value "Hello World":

module HelloWorld {    language HelloWorld {        syntax Main          = Hello Whitespace World;        token Hello          = "Hello";        token World          = "World";        token ...