@neo-one/smart-contract-compiler
Version:
NEO•ONE TypeScript smart contract compiler.
55 lines (53 loc) • 8.32 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const ts_utils_1 = require("@neo-one/ts-utils");
const typescript_1 = tslib_1.__importDefault(require("typescript"));
const constants = tslib_1.__importStar(require("../../../constants"));
const Helper_1 = require("../Helper");
const isValidParent = (catchPC, finallyPC, node) => node !== undefined &&
((typescript_1.default.isTryStatement(node) && (catchPC !== undefined || finallyPC !== undefined)) ||
ts_utils_1.tsUtils.guards.isFunctionLikeDeclarationBase(node) ||
typescript_1.default.isArrowFunction(node) ||
typescript_1.default.isSourceFile(node));
class ThrowCompletionBaseHelper extends Helper_1.Helper {
emit(sb, node, optionsIn) {
const options = sb.pushValueOptions(optionsIn);
const finallyPC = options.finallyPC;
const catchPC = options.catchPC;
let parent = ts_utils_1.tsUtils.node.getParent(node);
while (parent !== undefined && !isValidParent(catchPC, finallyPC, parent)) {
parent = ts_utils_1.tsUtils.node.getParent(parent);
}
if (catchPC !== undefined) {
sb.emitPushInt(node, constants.THROW_COMPLETION);
sb.emitJmp(node, 'JMP', catchPC);
}
else if (finallyPC !== undefined) {
sb.emitPushInt(node, constants.THROW_COMPLETION);
sb.emitPushInt(node, constants.FINALLY_COMPLETION);
sb.emitJmp(node, 'JMP', finallyPC);
}
else if (typescript_1.default.isSourceFile(node) || (parent !== undefined && typescript_1.default.isSourceFile(parent))) {
sb.emitOp(node, 'DROP');
sb.emitHelper(node, options, sb.helpers.if({
condition: () => {
sb.emitHelper(node, options, sb.helpers.invocationIsCaller);
},
whenTrue: () => {
sb.emitOp(node, 'THROW');
},
whenFalse: () => {
sb.emitPushBoolean(node, false);
sb.emitOp(node, 'RET');
},
}));
}
else {
sb.emitPushInt(node, constants.THROW_COMPLETION);
sb.emitOp(node, 'RET');
}
}
}
exports.ThrowCompletionBaseHelper = ThrowCompletionBaseHelper;
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