61 lines
2.1 KiB
TypeScript
61 lines
2.1 KiB
TypeScript
import { ConcreteState, stateDescription, Transition } from "../statecharts/abstract_syntax";
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import { Action, Expression } from "../statecharts/label_ast";
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import { RT_Statechart } from "../statecharts/runtime_types";
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import "./AST.css";
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export function ShowTransition(props: {transition: Transition}) {
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return <>➝ {stateDescription(props.transition.tgt)}</>;
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}
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export function ShowExpr(props: {expr: Expression}) {
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if (props.expr.kind === "literal") {
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return <>{props.expr.value}</>;
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}
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else if (props.expr.kind === "ref") {
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return <>{props.expr.variable}</>;
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}
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else if (props.expr.kind === "unaryExpr") {
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return <>{props.expr.operator}<ShowExpr expr={props.expr.expr}/></>;
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}
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else if (props.expr.kind === "binaryExpr") {
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return <><ShowExpr expr={props.expr.lhs}/>{props.expr.operator}<ShowExpr expr={props.expr.rhs}/></>;
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}
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}
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export function ShowAction(props: {action: Action}) {
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if (props.action.kind === "raise") {
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return <>^{props.action.event}</>;
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}
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else if (props.action.kind === "assignment") {
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return <>{props.action.lhs} = <ShowExpr expr={props.action.rhs}/>;</>;
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}
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}
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export function AST(props: {root: ConcreteState, transitions: Map<string, Transition[]>, rt: RT_Statechart | undefined}) {
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const description = stateDescription(props.root);
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const outgoing = props.transitions.get(props.root.uid) || [];
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return <details open={true} className={props.rt?.mode.has(props.root.uid) ? "active" : ""}>
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<summary>{props.root.kind}: {description}</summary>
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{props.root.entryActions.length>0 &&
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props.root.entryActions.map(action =>
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<div> entry / <ShowAction action={action}/></div>
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)
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}
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{props.root.exitActions.length>0 &&
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props.root.exitActions.map(action =>
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<div> exit / <ShowAction action={action}/></div>
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)
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}
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{props.root.children.length>0 &&
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props.root.children.map(child =>
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<AST root={child} transitions={props.transitions} rt={props.rt} />
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)
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}
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{outgoing.length>0 &&
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outgoing.map(transition => <> <ShowTransition transition={transition}/><br/></>)
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}
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</details>
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}
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