@neo-one/smart-contract-compiler
Version:
NEO•ONE TypeScript smart contract compiler.
84 lines (82 loc) • 14.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const ts_utils_1 = require("@neo-one/ts-utils");
const utils_1 = require("@neo-one/utils");
const typescript_1 = tslib_1.__importDefault(require("typescript"));
const NodeCompiler_1 = require("../NodeCompiler");
class PrefixUnaryExpressionCompiler extends NodeCompiler_1.NodeCompiler {
constructor() {
super(...arguments);
this.kind = typescript_1.default.SyntaxKind.PrefixUnaryExpression;
}
visitNode(sb, expr, options) {
const token = ts_utils_1.tsUtils.expression.getOperator(expr);
switch (token) {
case typescript_1.default.SyntaxKind.PlusPlusToken:
case typescript_1.default.SyntaxKind.MinusMinusToken:
this.visitAssignment(sb, token, expr, options);
break;
case typescript_1.default.SyntaxKind.PlusToken:
case typescript_1.default.SyntaxKind.MinusToken:
case typescript_1.default.SyntaxKind.TildeToken:
case typescript_1.default.SyntaxKind.ExclamationToken:
this.visitValue(sb, token, expr, options);
break;
default:
utils_1.utils.assertNever(token);
}
}
visitAssignment(sb, token, expr, options) {
sb.visit(ts_utils_1.tsUtils.expression.getOperand(expr), sb.noSetValueOptions(sb.pushValueOptions(options)));
switch (token) {
case typescript_1.default.SyntaxKind.PlusPlusToken:
sb.emitHelper(expr, sb.pushValueOptions(options), sb.helpers.toNumber({ type: sb.context.analysis.getType(expr) }));
sb.emitOp(expr, 'INC');
sb.emitHelper(expr, sb.pushValueOptions(options), sb.helpers.wrapNumber);
break;
case typescript_1.default.SyntaxKind.MinusMinusToken:
sb.emitHelper(expr, sb.pushValueOptions(options), sb.helpers.toNumber({ type: sb.context.analysis.getType(expr) }));
sb.emitOp(expr, 'DEC');
sb.emitHelper(expr, sb.pushValueOptions(options), sb.helpers.wrapNumber);
break;
default:
utils_1.utils.assertNever(token);
}
sb.visit(ts_utils_1.tsUtils.expression.getOperand(expr), sb.setValueOptions(options));
}
visitValue(sb, token, expr, optionsIn) {
const options = sb.pushValueOptions(optionsIn);
const operand = ts_utils_1.tsUtils.expression.getOperand(expr);
sb.visit(operand, sb.noSetValueOptions(options));
switch (token) {
case typescript_1.default.SyntaxKind.PlusToken:
sb.emitHelper(expr, options, sb.helpers.toNumber({ type: sb.context.analysis.getType(operand) }));
sb.emitHelper(expr, options, sb.helpers.wrapNumber);
break;
case typescript_1.default.SyntaxKind.MinusToken:
sb.emitHelper(expr, options, sb.helpers.toNumber({ type: sb.context.analysis.getType(operand) }));
sb.emitOp(expr, 'NEGATE');
sb.emitHelper(expr, options, sb.helpers.wrapNumber);
break;
case typescript_1.default.SyntaxKind.TildeToken:
sb.emitHelper(expr, options, sb.helpers.toNumber({ type: sb.context.analysis.getType(operand) }));
sb.emitOp(expr, 'INVERT');
sb.emitHelper(expr, options, sb.helpers.wrapNumber);
break;
case typescript_1.default.SyntaxKind.ExclamationToken:
sb.emitHelper(operand, options, sb.helpers.toBoolean({ type: sb.context.analysis.getType(operand) }));
sb.emitOp(expr, 'NOT');
sb.emitHelper(operand, options, sb.helpers.wrapBoolean);
break;
default:
utils_1.utils.assertNever(token);
}
if (!optionsIn.pushValue) {
sb.emitOp(expr, 'DROP');
return;
}
}
}
exports.PrefixUnaryExpressionCompiler = PrefixUnaryExpressionCompiler;
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{ tsUtils } from '@neo-one/ts-utils';\nimport { utils } from '@neo-one/utils';\nimport ts from 'typescript';\nimport { NodeCompiler } from '../NodeCompiler';\nimport { ScriptBuilder } from '../sb';\nimport { VisitOptions } from '../types';\n\ntype AssignmentLike = ts.SyntaxKind.PlusPlusToken | ts.SyntaxKind.MinusMinusToken;\ntype ValueLike =\n  | ts.SyntaxKind.PlusToken\n  | ts.SyntaxKind.MinusToken\n  | ts.SyntaxKind.TildeToken\n  | ts.SyntaxKind.ExclamationToken;\nexport class PrefixUnaryExpressionCompiler extends NodeCompiler<ts.PrefixUnaryExpression> {\n  public readonly kind = ts.SyntaxKind.PrefixUnaryExpression;\n\n  public visitNode(sb: ScriptBuilder, expr: ts.PrefixUnaryExpression, options: VisitOptions): void {\n    const token = tsUtils.expression.getOperator(expr);\n    switch (token) {\n      case ts.SyntaxKind.PlusPlusToken:\n      case ts.SyntaxKind.MinusMinusToken:\n        this.visitAssignment(sb, token, expr, options);\n        break;\n      case ts.SyntaxKind.PlusToken:\n      case ts.SyntaxKind.MinusToken:\n      case ts.SyntaxKind.TildeToken:\n      case ts.SyntaxKind.ExclamationToken:\n        this.visitValue(sb, token, expr, options);\n        break;\n      default:\n        /* istanbul ignore next */\n        utils.assertNever(token);\n    }\n  }\n\n  private visitAssignment(\n    sb: ScriptBuilder,\n    token: AssignmentLike,\n    expr: ts.PrefixUnaryExpression,\n    options: VisitOptions,\n  ): void {\n    sb.visit(tsUtils.expression.getOperand(expr), sb.noSetValueOptions(sb.pushValueOptions(options)));\n\n    switch (token) {\n      case ts.SyntaxKind.PlusPlusToken:\n        sb.emitHelper(\n          expr,\n          sb.pushValueOptions(options),\n          sb.helpers.toNumber({ type: sb.context.analysis.getType(expr) }),\n        );\n        sb.emitOp(expr, 'INC');\n        sb.emitHelper(expr, sb.pushValueOptions(options), sb.helpers.wrapNumber);\n        break;\n      case ts.SyntaxKind.MinusMinusToken:\n        sb.emitHelper(\n          expr,\n          sb.pushValueOptions(options),\n          sb.helpers.toNumber({ type: sb.context.analysis.getType(expr) }),\n        );\n        sb.emitOp(expr, 'DEC');\n        sb.emitHelper(expr, sb.pushValueOptions(options), sb.helpers.wrapNumber);\n        break;\n      default:\n        /* istanbul ignore next */\n        utils.assertNever(token);\n    }\n\n    sb.visit(tsUtils.expression.getOperand(expr), sb.setValueOptions(options));\n  }\n\n  private visitValue(\n    sb: ScriptBuilder,\n    token: ValueLike,\n    expr: ts.PrefixUnaryExpression,\n    optionsIn: VisitOptions,\n  ): void {\n    const options = sb.pushValueOptions(optionsIn);\n    const operand = tsUtils.expression.getOperand(expr);\n    sb.visit(operand, sb.noSetValueOptions(options));\n\n    switch (token) {\n      case ts.SyntaxKind.PlusToken:\n        sb.emitHelper(expr, options, sb.helpers.toNumber({ type: sb.context.analysis.getType(operand) }));\n        sb.emitHelper(expr, options, sb.helpers.wrapNumber);\n        break;\n      case ts.SyntaxKind.MinusToken:\n        sb.emitHelper(expr, options, sb.helpers.toNumber({ type: sb.context.analysis.getType(operand) }));\n        sb.emitOp(expr, 'NEGATE');\n        sb.emitHelper(expr, options, sb.helpers.wrapNumber);\n        break;\n      case ts.SyntaxKind.TildeToken:\n        sb.emitHelper(expr, options, sb.helpers.toNumber({ type: sb.context.analysis.getType(operand) }));\n        sb.emitOp(expr, 'INVERT');\n        sb.emitHelper(expr, options, sb.helpers.wrapNumber);\n        break;\n      case ts.SyntaxKind.ExclamationToken:\n        sb.emitHelper(operand, options, sb.helpers.toBoolean({ type: sb.context.analysis.getType(operand) }));\n        sb.emitOp(expr, 'NOT');\n        sb.emitHelper(operand, options, sb.helpers.wrapBoolean);\n        break;\n      default:\n        /* istanbul ignore next */\n        utils.assertNever(token);\n    }\n\n    if (!optionsIn.pushValue) {\n      sb.emitOp(expr, 'DROP');\n\n      return;\n    }\n  }\n}\n"]}