2.2 KiB
2.2 KiB
TODO Language
Language aspect
- aspects
- language defines aspect (eg. typechecking)
- languages using this aspect define handlers
Handler
- create handler, optionally extend another handler
- declare constraints
- define rule template
- for concept, standalone
- applicability condition
- what purpose does the body serve
- reporting errors
- require statement
- what features are available in a rule
- introduce constraint production
- declare logical variables
- on start
- on … defining head
- keep / replace (~)
- pattern matching
- the '@' syntax
- predicates vs constraints
- special predicates «expand» and «call»
- calling arbitrary Java code (eval)
- guard (when)
- what operations are available in the guard
- body
- what operations are available in the body
- using code templates
%% … %%
- alternative body
Query
- Purpose of a query
- Query kind
- Parameters
- Executed block
Macro table
- applicable to a node of specific concept
- macro is not applied automatically
- macro parameters
- parameter initialiser
- how macro can be called
- special predicates «expand» and «call»
- What is the meaning of macro body
- referring logical variables
- «macroLogical» expression
- $-wrapper for an expression
- «substitution from context»
- context parameters
- substitutions
- context parameters
- specifying parameters using «with» statement
Term table
- purpose of this root
- what is a term
- what are features
- what are getters
- extending another term
- terms representing types
- using terms
- constructing new terms
- specify subtterms
- specify values
- using terms as patterns
- copy operation!
- constructing new terms
- constructing term
- list term
- dataform concept and subconcepts
- splice