@neo-one/smart-contract-compiler
Version:
NEO•ONE TypeScript smart contract compiler.
76 lines (74 loc) • 12.2 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 NodeCompiler_1 = require("../NodeCompiler");
class ForInStatementCompiler extends NodeCompiler_1.NodeCompiler {
constructor() {
super(...arguments);
this.kind = typescript_1.default.SyntaxKind.ForInStatement;
}
visitNode(sb, node, optionsIn) {
const options = sb.pushValueOptions(optionsIn);
const initializer = ts_utils_1.tsUtils.statement.getInitializer(node);
if (!typescript_1.default.isVariableDeclarationList(initializer)) {
sb.context.reportUnsupported(initializer);
return;
}
const variables = ts_utils_1.tsUtils.variable.getDeclarations(initializer);
if (variables.length !== 1) {
sb.context.reportUnsupported(initializer);
return;
}
const variable = variables[0];
const expression = ts_utils_1.tsUtils.expression.getExpression(node);
const statement = ts_utils_1.tsUtils.statement.getStatement(node);
const expressionType = sb.context.analysis.getType(expression);
const handleArray = () => {
sb.emitHelper(expression, options, sb.helpers.unwrapArray);
sb.emitHelper(node, options, sb.helpers.arrForEach({
withIndex: true,
each: (innerOptions) => {
sb.emitOp(variable, 'DROP');
sb.emitHelper(variable, options, sb.helpers.wrapNumber);
sb.emitHelper(variable, options, sb.helpers.toString({ type: undefined }));
sb.emitHelper(variable, options, sb.helpers.wrapString);
sb.visit(variable, sb.setValueOptions(innerOptions));
sb.visit(statement, sb.noPushValueOptions(innerOptions));
},
}));
};
const handleObject = () => {
sb.emitHelper(node, options, sb.helpers.getPropertyObjectKeys);
sb.emitHelper(node, options, sb.helpers.arrForEach({
withIndex: false,
each: (innerOptions) => {
sb.emitHelper(variable, sb.pushValueOptions(innerOptions), sb.helpers.wrapString);
sb.visit(variable, sb.setValueOptions(sb.noPushValueOptions(innerOptions)));
sb.visit(statement, sb.noPushValueOptions(innerOptions));
},
}));
};
sb.visit(expression, options);
if (expressionType === undefined ||
(ts_utils_1.tsUtils.type_.hasArrayish(expressionType) && !ts_utils_1.tsUtils.type_.isOnlyArrayish(expressionType))) {
sb.emitHelper(expression, options, sb.helpers.if({
condition: () => {
sb.emitOp(expression, 'DUP');
sb.emitHelper(expression, options, sb.helpers.isArray);
},
whenTrue: handleArray,
whenFalse: handleObject,
}));
}
else if (ts_utils_1.tsUtils.type_.isOnlyArrayish(expressionType)) {
handleArray();
}
else {
handleObject();
}
}
}
exports.ForInStatementCompiler = ForInStatementCompiler;
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{ tsUtils } from '@neo-one/ts-utils';\nimport ts from 'typescript';\nimport { NodeCompiler } from '../NodeCompiler';\nimport { ScriptBuilder } from '../sb';\nimport { VisitOptions } from '../types';\n\nexport class ForInStatementCompiler extends NodeCompiler<ts.ForInStatement> {\n  public readonly kind = ts.SyntaxKind.ForInStatement;\n\n  public visitNode(sb: ScriptBuilder, node: ts.ForInStatement, optionsIn: VisitOptions): void {\n    const options = sb.pushValueOptions(optionsIn);\n    const initializer = tsUtils.statement.getInitializer(node);\n    if (!ts.isVariableDeclarationList(initializer)) {\n      /* istanbul ignore next */\n      sb.context.reportUnsupported(initializer);\n\n      /* istanbul ignore next */\n      return;\n    }\n\n    const variables = tsUtils.variable.getDeclarations(initializer);\n    if (variables.length !== 1) {\n      /* istanbul ignore next */\n      sb.context.reportUnsupported(initializer);\n\n      /* istanbul ignore next */\n      return;\n    }\n\n    const variable = variables[0];\n    const expression = tsUtils.expression.getExpression(node);\n    const statement = tsUtils.statement.getStatement(node);\n    const expressionType = sb.context.analysis.getType(expression);\n\n    const handleArray = () => {\n      // [arr]\n      sb.emitHelper(expression, options, sb.helpers.unwrapArray);\n      // []\n      sb.emitHelper(\n        node,\n        options,\n        sb.helpers.arrForEach({\n          withIndex: true,\n          each: (innerOptions) => {\n            // [idx]\n            sb.emitOp(variable, 'DROP');\n            // [val]\n            sb.emitHelper(variable, options, sb.helpers.wrapNumber);\n            // [val]\n            sb.emitHelper(variable, options, sb.helpers.toString({ type: undefined }));\n            // [val]\n            sb.emitHelper(variable, options, sb.helpers.wrapString);\n            // []\n            sb.visit(variable, sb.setValueOptions(innerOptions));\n            // []\n            sb.visit(statement, sb.noPushValueOptions(innerOptions));\n          },\n        }),\n      );\n    };\n\n    const handleObject = () => {\n      // [arr]\n      sb.emitHelper(node, options, sb.helpers.getPropertyObjectKeys);\n      // []\n      sb.emitHelper(\n        node,\n        options,\n        sb.helpers.arrForEach({\n          withIndex: false,\n          each: (innerOptions) => {\n            // [stringVal]\n            sb.emitHelper(variable, sb.pushValueOptions(innerOptions), sb.helpers.wrapString);\n            // []\n            sb.visit(variable, sb.setValueOptions(sb.noPushValueOptions(innerOptions)));\n            // []\n            sb.visit(statement, sb.noPushValueOptions(innerOptions));\n          },\n        }),\n      );\n    };\n\n    // [objectVal]\n    sb.visit(expression, options);\n    if (\n      expressionType === undefined ||\n      (tsUtils.type_.hasArrayish(expressionType) && !tsUtils.type_.isOnlyArrayish(expressionType))\n    ) {\n      sb.emitHelper(\n        expression,\n        options,\n        sb.helpers.if({\n          condition: () => {\n            // [objectVal, objectVal]\n            sb.emitOp(expression, 'DUP');\n            // [boolean]\n            sb.emitHelper(expression, options, sb.helpers.isArray);\n          },\n          whenTrue: handleArray,\n          whenFalse: handleObject,\n        }),\n      );\n    } else if (tsUtils.type_.isOnlyArrayish(expressionType)) {\n      handleArray();\n    } else {\n      handleObject();\n    }\n  }\n}\n"]}