js-ast-parser/dist/constants.js

把javascript代码字符串解析为AST对象

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.NodeCode = exports.ExpectCloseMap = exports.priorityMap = exports.NEED_PURE_IDENTIFIER = exports.IS_PARSING_OBJECT_KEY = exports.IS_PARSING_VOID = exports.IS_PARSING_TYPEOF = exports.IS_PARSING_SWITCH = exports.IS_PARSING_ACCESSPROP = exports.IS_PARSING_FUNDECLARATION = exports.IS_PARSING_VARDECLARATION = exports.IS_PARSING_IMPORT = exports.IS_PARSING_CLASSDECLARATION = exports.IS_PARSING_DOWHILE = exports.IS_PARSING_TRY = exports.IS_PARSING_CASE = exports.IS_PARSING_COMPUTE = void 0;
exports.IS_PARSING_COMPUTE = 0b1;
exports.IS_PARSING_CASE = 0b10;
exports.IS_PARSING_TRY = 0b100;
exports.IS_PARSING_DOWHILE = 0b1000;
exports.IS_PARSING_CLASSDECLARATION = 0b10000;
exports.IS_PARSING_IMPORT = 0b100000;
exports.IS_PARSING_VARDECLARATION = 0b1000000;
exports.IS_PARSING_FUNDECLARATION = 0b10000000;
exports.IS_PARSING_ACCESSPROP = 0b100000000;
exports.IS_PARSING_SWITCH = 0b1000000000;
exports.IS_PARSING_TYPEOF = 0b10000000000;
exports.IS_PARSING_VOID = 0b100000000000;
exports.IS_PARSING_OBJECT_KEY = 0b1000000000000;
exports.NEED_PURE_IDENTIFIER = exports.IS_PARSING_FUNDECLARATION | exports.IS_PARSING_ACCESSPROP;
exports.priorityMap = {
    '+': 14,
    '-': 14,
    '*': 15,
    '/': 15,
    '=': 3,
    '+=': 3,
    '-=': 3,
    '*=': 3,
    '/=': 3,
    '~=': 3,
    '^=': 3,
    '|=': 3,
    '&=': 3,
    '?': 4,
    'instanceof': 4,
    'in': 4,
    '&&': 6,
    '||': 5,
    '&': 9,
    '^': 8,
    '|': 7,
    '==': 10,
    '===': 10,
    '!=': 10,
    '!==': 10,
    '>': 11,
    '>=': 11,
    '<': 11,
    '<=': 11
};
exports.ExpectCloseMap = {
    '[': ']',
    '(': ')',
    '"': '"',
    '\'': '\'',
    '{': '}',
    '\`': '\`',
    '\/': '\/'
};
const exprBit = 0b1 << 31;
const staBit = 0b1 << 30;
const expressionKey = [
    'IdentifierLiteralExpression', 'NumberLiteralExpression', 'StringLiteralExpression', 'ArrayLiteralExpression',
    'ObjectLiteralExpression', 'ParticularLiteralExpression', 'TemplateLiteralExpression', 'TernaryExpression',
    'UnaryExpression', 'AssignmentExpression', 'BinaryExpression', 'MemberExpression',
    'CallExpression', 'RegExpression', 'NewExpression', 'TypeOfExpression',
    'FunctionExpression', 'VoidExpression', 'BracketEnwrapedExpressioin'
];
const literalKey = [
    'IdentifierLiteralExpression', 'NumberLiteralExpression', 'StringLiteralExpression', 'ArrayLiteralExpression',
    'ObjectLiteralExpression', 'ParticularLiteralExpression', 'TemplateLiteralExpression'
];
const loopKey = [
    'DoWhileStatement', 'ForStatement', 'ForOfStatement', 'WhileStatement', 'ForInStatement'
];
const declarationKey = [
    'VariableDeclarationStatement', 'FunctionDeclarationStatement', 'ExportDeclarationStatement', 'ClassDeclarationStatement'
];
exports.NodeCode = {
    IdentifierLiteralExpression: exprBit | 0b1,
    NumberLiteralExpression: exprBit | 0b1 << 1,
    StringLiteralExpression: exprBit | 0b1 << 2,
    ArrayLiteralExpression: exprBit | 0b1 << 3,
    ObjectLiteralExpression: exprBit | 0b1 << 4,
    ParticularLiteralExpression: exprBit | 0b1 << 5,
    TemplateLiteralExpression: exprBit | 0b1 << 6,
    ObjectKey: null,
    Literal: null,
    AssigmentLeft: null,
    TernaryExpression: exprBit | 0b1 << 7,
    UnaryExpression: exprBit | 0b1 << 8,
    AssignmentExpression: exprBit | 0b1 << 9,
    BinaryExpression: exprBit | 0b1 << 10,
    MemberExpression: exprBit | 0b1 << 11,
    CallExpression: exprBit | 0b1 << 12,
    RegExpression: exprBit | 0b1 << 13,
    NewExpression: exprBit | 0b1 << 14,
    TypeOfExpression: exprBit | 0b1 << 15,
    FunctionExpression: exprBit | 0b1 << 16,
    VoidExpression: exprBit | 0b1 << 17,
    BracketEnwrapedExpressioin: exprBit | 0b1 << 18,
    Expression: null,
    IfStatement: staBit | 0b1,
    VariableDeclarationStatement: staBit | 0b1 << 1,
    FunctionDeclarationStatement: staBit | 0b1 << 2,
    ImportStatement: staBit | 0b1 << 3,
    ClassDeclarationStatement: staBit | 0b1 << 4,
    SwitchCaseStatement: staBit | 0b1 << 5,
    SwitchStatement: staBit | 0b1 << 6,
    DoWhileStatement: staBit | 0b1 << 7,
    ExportDeclarationStatement: staBit | 0b1 << 8,
    ForStatement: staBit | 0b1 << 9,
    ForOfStatement: staBit | 0b1 << 10,
    TryCathchStatement: staBit | 0b1 << 11,
    WhileStatement: staBit | 0b1 << 12,
    ForInStatement: staBit | 0b1 << 13,
    WithStatement: staBit | 0b1 << 14,
    ReturnStatement: staBit | 0b1 << 15,
    BreakStatement: staBit | 0b1 << 16,
    ContinueStatement: staBit | 0b1 << 17,
    ThrowStatement: staBit | 0b1 << 18,
    DeleteStatement: staBit | 0b1 << 19,
    UnexpectStatement: staBit | 0b1 << 20,
    DebuggerStatement: staBit | 0b1 << 21,
    Loop: null,
    Declaration: null
};
exports.NodeCode.ObjectKey = exports.NodeCode.StringLiteralExpression | exports.NodeCode.IdentifierLiteralExpression;
exports.NodeCode.Literal = literalKey.reduce((result, key) => result |= exports.NodeCode[key], 0);
exports.NodeCode.AssigmentLeft = exports.NodeCode.IdentifierLiteralExpression | exports.NodeCode.MemberExpression;
exports.NodeCode.Expression = expressionKey.reduce((result, key) => result |= exports.NodeCode[key], 0);
exports.NodeCode.Loop = loopKey.reduce((result, key) => result |= exports.NodeCode[key], 0);
exports.NodeCode.Declaration = declarationKey.reduce((result, key) => result |= exports.NodeCode[key], 0);
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