ifc-expressions
Version:
Parsing and evaluation of IFC expressions
61 lines (60 loc) • 2.64 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Expr2 = void 0;
const ExprBase_js_1 = require("./ExprBase.js");
const ExprEvalResult_js_1 = require("./ExprEvalResult.js");
const IfcExpressionUtils_js_1 = require("../util/IfcExpressionUtils.js");
class Expr2 extends ExprBase_js_1.ExprBase {
constructor(exprKind, left, right) {
super(exprKind);
this.left = left;
this.right = right;
}
getChildren() {
return [this.left, this.right];
}
onBeforeRecursion(ctx, localCtx) {
// override if subclass needs to do something before recursing
}
onAfterLeftRecursion(ctx, localCtx, leftResult) {
// override if subclass needs to do something with the left result, such as put it in the local context
}
evaluate(ctx, localCtx) {
this.onBeforeRecursion(ctx, localCtx);
const leftResult = this.left.evaluate(ctx, localCtx);
if ((0, IfcExpressionUtils_js_1.isNullish)(leftResult)) {
return new ExprEvalResult_js_1.ExprEvalErrorUndefinedResult(this.left.getKind(), this.left.getTextSpan());
}
if ((0, ExprEvalResult_js_1.isExprEvalError)(leftResult)) {
return this.makeErrorForLeftSubExprError(ctx, localCtx, leftResult);
}
this.onAfterLeftRecursion(ctx, localCtx, leftResult.result);
const rightResult = this.right.evaluate(ctx, localCtx);
if ((0, IfcExpressionUtils_js_1.isNullish)(rightResult)) {
return new ExprEvalResult_js_1.ExprEvalErrorUndefinedResult(this.right.getKind(), this.getTextSpan());
}
if ((0, ExprEvalResult_js_1.isExprEvalSuccess)(rightResult)) {
try {
const result = this.calculateResult(ctx, localCtx, leftResult.result, rightResult.result);
return this.wrapInResultIfNecessary(result);
}
catch (error) {
return this.handleError(error, leftResult, rightResult);
}
}
else {
return this.makeResultForRightSubExprError(ctx, localCtx, leftResult, rightResult);
}
}
makeResultForRightSubExprError(ctx, localCtx, leftResult, rightResult) {
return rightResult;
}
makeErrorForLeftSubExprError(ctx, localCtx, leftResult) {
return leftResult;
}
handleError(error, leftResult, rightResult) {
return new ExprEvalResult_js_1.ExprEvalError2Obj(this.getKind(), leftResult, rightResult, ExprEvalResult_js_1.ExprEvalStatus.ERROR, error, this.getTextSpan());
}
}
exports.Expr2 = Expr2;
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