@neo-one/smart-contract-compiler
Version:
NEO•ONE TypeScript smart contract compiler.
44 lines (42 loc) • 1.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ArraySlice = void 0;
const ts_utils_1 = require("@neo-one/ts-utils");
const BuiltinInstanceMemberCall_1 = require("../BuiltinInstanceMemberCall");
class ArraySlice extends BuiltinInstanceMemberCall_1.BuiltinInstanceMemberCall {
canCall(_sb, _func, node) {
return ts_utils_1.tsUtils.argumented.getArguments(node).length <= 2;
}
emitCall(sb, func, node, optionsIn, visited) {
const options = sb.pushValueOptions(optionsIn);
const expr = ts_utils_1.tsUtils.expression.getExpression(func);
if (!visited) {
sb.visit(expr, options);
}
sb.emitHelper(node, options, sb.helpers.unwrapArray);
const args = ts_utils_1.tsUtils.argumented.getArguments(node);
if (args.length === 0) {
sb.emitHelper(node, options, sb.helpers.arrClone);
}
else if (args.length === 1) {
sb.visit(args[0], options);
sb.emitHelper(node, options, sb.helpers.unwrapNumber);
sb.emitHelper(node, options, sb.helpers.arrSlice());
}
else {
sb.visit(args[1], options);
sb.emitHelper(node, options, sb.helpers.unwrapNumber);
sb.visit(args[0], options);
sb.emitHelper(node, options, sb.helpers.unwrapNumber);
sb.emitHelper(node, options, sb.helpers.arrSlice({ hasEnd: true }));
}
if (optionsIn.pushValue) {
sb.emitHelper(node, options, sb.helpers.wrapArray);
}
else {
sb.emitOp(node, 'DROP');
}
}
}
exports.ArraySlice = ArraySlice;
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