add class diagrams for semantic tokens & validation

Author: lstreckeisen

.gitignore

@@ -10,4 +10,5 @@ src/language/generated/
 syntaxes/
 .idea
 .DS_Store
-cml-ls/
+cml-ls/
+docs/*.png

docs/class_semantic_tokens.puml

@@ -0,0 +1,20 @@
+@startuml
+abstract class AbstractSemanticTokenProvider
+
+class ContextMapperDslSemanticTokenProvider {
+# highlightElement(AstNode, SemanticTokenAcceptor)
+}
+
+class SemanticTokenProviderRegistry {
++ get(AstNode): ContextMapperSemanticTokenProvider<AstNode>
+}
+
+interface ContextMapperSemanticTokenProvider {
++ supports(AstNode): boolean
++ highlight(T, SemanticTokenAcceptor)
+}
+
+AbstractSemanticTokenProvider <|-- ContextMapperDslSemanticTokenProvider
+ContextMapperDslSemanticTokenProvider --> SemanticTokenProviderRegistry
+SemanticTokenProviderRegistry o-- "0..*" ContextMapperSemanticTokenProvider
+@enduml

docs/class_semantic_validation.puml

@@ -0,0 +1,27 @@
+@startuml
+abstract class ValidationRegistry {
++ register(ValidationChecks<T>, ThisParameterType)
+}
+
+class ContextMapperDslValidationRegistry {
+}
+
+class ContextMapperDslValidator {
++ checkContextMappingModel(ContextMappingModel, ValidationAcceptor)
++ checkValue(Value, ValidationAcceptor)
+}
+
+class ContextMapperValidationProviderRegistry {
++ get(AstNode): ContextMapperValidationProvider<AstNode>
+}
+
+interface ContextMapperValidationProvider {
++ supports(AstNode): boolean
++ validate(T, ValidationAcceptor)
+}
+
+ValidationRegistry <|-- ContextMapperDslValidationRegistry
+ContextMapperDslValidationRegistry --> ContextMapperDslValidator
+ContextMapperDslValidator --> ContextMapperValidationProviderRegistry
+ContextMapperValidationProviderRegistry o-- "0..*" ContextMapperValidationProvider
+@enduml