@neo-one/smart-contract-compiler
Version:
NEO•ONE TypeScript smart contract compiler.
73 lines (71 loc) • 2.59 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.LessThanHelper = void 0;
const ts_utils_1 = require("@neo-one/ts-utils");
const Helper_1 = require("../Helper");
class LessThanHelper extends Helper_1.Helper {
constructor(options) {
super();
this.leftFirst = options.leftFirst;
this.left = options.left;
this.right = options.right;
}
emit(sb, node, options) {
if (!options.pushValue) {
if (this.leftFirst) {
sb.visit(this.left, options);
sb.visit(this.right, options);
}
else {
sb.visit(this.right, options);
sb.visit(this.left, options);
}
return;
}
const leftType = sb.context.analysis.getType(this.left);
const rightType = sb.context.analysis.getType(this.right);
if (this.leftFirst) {
sb.visit(this.left, options);
sb.emitHelper(this.left, options, sb.helpers.toPrimitive({
type: leftType,
preferredType: 'number',
}));
sb.visit(this.right, options);
sb.emitHelper(this.right, options, sb.helpers.toPrimitive({
type: rightType,
preferredType: 'number',
}));
}
else {
sb.visit(this.right, options);
sb.emitHelper(this.right, options, sb.helpers.toPrimitive({
type: rightType,
preferredType: 'number',
}));
sb.visit(this.left, options);
sb.emitHelper(this.left, options, sb.helpers.toPrimitive({
type: leftType,
preferredType: 'number',
}));
sb.emitOp(node, 'SWAP');
}
if (leftType !== undefined &&
rightType !== undefined &&
ts_utils_1.tsUtils.type_.isOnlyStringish(leftType) &&
ts_utils_1.tsUtils.type_.isOnlyStringish(rightType)) {
sb.context.reportUnsupported(node);
}
else {
sb.emitHelper(this.right, options, sb.helpers.toNumber({ type: rightType }));
sb.emitOp(node, 'SWAP');
sb.emitHelper(this.left, options, sb.helpers.toNumber({ type: leftType }));
sb.emitOp(node, 'SWAP');
sb.emitOp(node, 'LT');
if (!options.pushValue) {
sb.emitOp(node, 'DROP');
}
}
}
}
exports.LessThanHelper = LessThanHelper;
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