lib class diagram part 1

doc/uml/lib/class.puml

@@ -0,0 +1,78 @@
+@startuml "bliplib class diagram"
+
+package std {
+    interface Iterator<type Item> {
+        next(&mut self): Self::Item
+    }
+    interface From<T> {
+        from(value: T): Self
+    }
+}
+
+package parser {
+    interface Token {
+        parse<'i, 'n, 's, I>(&Parser<'i, 'n, 's, I>): nom::IResult<nom_locate::LocatedSpan<&'i I>, Self>
+        apply(&self, context: Context): Context
+    }
+    struct Silence
+    struct Marker
+    struct Note {
+        n: u8
+    }
+    struct VariableChange {
+        name: char,
+        change: String
+    }
+    struct Loop {
+        times: usize
+        inner: Vec<Box<dyn Token>>
+    }
+    struct Tuplet {
+        inner: Vec<Box<dyn Token>>
+    }
+    struct Slope {
+        each_frame: VariableChange
+    }
+    Silence ..|> Token
+    Marker ..|> Token
+    Note ..|> Token
+    VariableChange ..|> Token
+    Loop ..|> Token
+    Tuplet ..|> Token
+    Slope ..|> Token
+    struct Parser<'i, 'n, 's, I: Input + Clone> {
+        input: &'i I
+        notes: &'n [I]
+        slopes: &'s HashMap<I, VariableChange>
+    }
+    struct ParserBuilder<'i, 'n, 's, I: Input + Clone> {
+        input: Option<&'i I>
+        notes: Option<&'n [I]>
+        slopes: Option<&'s HashMap<I, String>>
+        input(self, input: &'i I): Self
+        notes(self, notes: &'n [I])
+        slopes(self, slopes: &'s HashMap<I, VariableChange>)
+    }
+    Token --> Parser
+    Parser --> VariableChange
+    ParserBuilder --> VariableChange
+}
+
+package compiler {
+    struct Context {
+        result: Vec<f64>
+        variables: HashMap<char, f64>
+        ?
+    }
+}
+
+interface "From<ParserBuilder>" as from_parserbuilder
+
+from_parserbuilder --> parser.ParserBuilder
+from_parserbuilder ..|> std.From
+parser.Parser ..|> from_parserbuilder
+parser.Parser ..|> std.Iterator: Item = Result<Box<dyn Token>, nom::Error<nom_locate::LocatedSpan<&'i I>>>
+parser.Slope --> parser.VariableChange
+parser.Token --> compiler.Context
+
+@enduml