@angular/compiler/esm5/src/expression_parser/parser.js

Angular - the compiler library

/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import * as chars from '../chars';
import { DEFAULT_INTERPOLATION_CONFIG } from '../ml_parser/interpolation_config';
import { escapeRegExp } from '../util';
import { ASTWithSource, Binary, BindingPipe, Chain, Conditional, EmptyExpr, FunctionCall, ImplicitReceiver, Interpolation, KeyedRead, KeyedWrite, LiteralArray, LiteralMap, LiteralPrimitive, MethodCall, NonNullAssert, ParseSpan, ParserError, PrefixNot, PropertyRead, PropertyWrite, Quote, SafeMethodCall, SafePropertyRead, TemplateBinding } from './ast';
import { EOF, TokenType, isIdentifier, isQuote } from './lexer';
var SplitInterpolation = /** @class */ (function () {
    function SplitInterpolation(strings, expressions, offsets) {
        this.strings = strings;
        this.expressions = expressions;
        this.offsets = offsets;
    }
    return SplitInterpolation;
}());
export { SplitInterpolation };
var TemplateBindingParseResult = /** @class */ (function () {
    function TemplateBindingParseResult(templateBindings, warnings, errors) {
        this.templateBindings = templateBindings;
        this.warnings = warnings;
        this.errors = errors;
    }
    return TemplateBindingParseResult;
}());
export { TemplateBindingParseResult };
function _createInterpolateRegExp(config) {
    var pattern = escapeRegExp(config.start) + '([\\s\\S]*?)' + escapeRegExp(config.end);
    return new RegExp(pattern, 'g');
}
var Parser = /** @class */ (function () {
    function Parser(_lexer) {
        this._lexer = _lexer;
        this.errors = [];
    }
    Parser.prototype.parseAction = function (input, location, interpolationConfig) {
        if (interpolationConfig === void 0) { interpolationConfig = DEFAULT_INTERPOLATION_CONFIG; }
        this._checkNoInterpolation(input, location, interpolationConfig);
        var sourceToLex = this._stripComments(input);
        var tokens = this._lexer.tokenize(this._stripComments(input));
        var ast = new _ParseAST(input, location, tokens, sourceToLex.length, true, this.errors, input.length - sourceToLex.length)
            .parseChain();
        return new ASTWithSource(ast, input, location, this.errors);
    };
    Parser.prototype.parseBinding = function (input, location, interpolationConfig) {
        if (interpolationConfig === void 0) { interpolationConfig = DEFAULT_INTERPOLATION_CONFIG; }
        var ast = this._parseBindingAst(input, location, interpolationConfig);
        return new ASTWithSource(ast, input, location, this.errors);
    };
    Parser.prototype.parseSimpleBinding = function (input, location, interpolationConfig) {
        if (interpolationConfig === void 0) { interpolationConfig = DEFAULT_INTERPOLATION_CONFIG; }
        var ast = this._parseBindingAst(input, location, interpolationConfig);
        var errors = SimpleExpressionChecker.check(ast);
        if (errors.length > 0) {
            this._reportError("Host binding expression cannot contain " + errors.join(' '), input, location);
        }
        return new ASTWithSource(ast, input, location, this.errors);
    };
    Parser.prototype._reportError = function (message, input, errLocation, ctxLocation) {
        this.errors.push(new ParserError(message, input, errLocation, ctxLocation));
    };
    Parser.prototype._parseBindingAst = function (input, location, interpolationConfig) {
        // Quotes expressions use 3rd-party expression language. We don't want to use
        // our lexer or parser for that, so we check for that ahead of time.
        var quote = this._parseQuote(input, location);
        if (quote != null) {
            return quote;
        }
        this._checkNoInterpolation(input, location, interpolationConfig);
        var sourceToLex = this._stripComments(input);
        var tokens = this._lexer.tokenize(sourceToLex);
        return new _ParseAST(input, location, tokens, sourceToLex.length, false, this.errors, input.length - sourceToLex.length)
            .parseChain();
    };
    Parser.prototype._parseQuote = function (input, location) {
        if (input == null)
            return null;
        var prefixSeparatorIndex = input.indexOf(':');
        if (prefixSeparatorIndex == -1)
            return null;
        var prefix = input.substring(0, prefixSeparatorIndex).trim();
        if (!isIdentifier(prefix))
            return null;
        var uninterpretedExpression = input.substring(prefixSeparatorIndex + 1);
        return new Quote(new ParseSpan(0, input.length), prefix, uninterpretedExpression, location);
    };
    Parser.prototype.parseTemplateBindings = function (tplKey, tplValue, location) {
        var tokens = this._lexer.tokenize(tplValue);
        return new _ParseAST(tplValue, location, tokens, tplValue.length, false, this.errors, 0)
            .parseTemplateBindings(tplKey);
    };
    Parser.prototype.parseInterpolation = function (input, location, interpolationConfig) {
        if (interpolationConfig === void 0) { interpolationConfig = DEFAULT_INTERPOLATION_CONFIG; }
        var split = this.splitInterpolation(input, location, interpolationConfig);
        if (split == null)
            return null;
        var expressions = [];
        for (var i = 0; i < split.expressions.length; ++i) {
            var expressionText = split.expressions[i];
            var sourceToLex = this._stripComments(expressionText);
            var tokens = this._lexer.tokenize(sourceToLex);
            var ast = new _ParseAST(input, location, tokens, sourceToLex.length, false, this.errors, split.offsets[i] + (expressionText.length - sourceToLex.length))
                .parseChain();
            expressions.push(ast);
        }
        return new ASTWithSource(new Interpolation(new ParseSpan(0, input == null ? 0 : input.length), split.strings, expressions), input, location, this.errors);
    };
    Parser.prototype.splitInterpolation = function (input, location, interpolationConfig) {
        if (interpolationConfig === void 0) { interpolationConfig = DEFAULT_INTERPOLATION_CONFIG; }
        var regexp = _createInterpolateRegExp(interpolationConfig);
        var parts = input.split(regexp);
        if (parts.length <= 1) {
            return null;
        }
        var strings = [];
        var expressions = [];
        var offsets = [];
        var offset = 0;
        for (var i = 0; i < parts.length; i++) {
            var part = parts[i];
            if (i % 2 === 0) {
                // fixed string
                strings.push(part);
                offset += part.length;
            }
            else if (part.trim().length > 0) {
                offset += interpolationConfig.start.length;
                expressions.push(part);
                offsets.push(offset);
                offset += part.length + interpolationConfig.end.length;
            }
            else {
                this._reportError('Blank expressions are not allowed in interpolated strings', input, "at column " + this._findInterpolationErrorColumn(parts, i, interpolationConfig) + " in", location);
                expressions.push('$implict');
                offsets.push(offset);
            }
        }
        return new SplitInterpolation(strings, expressions, offsets);
    };
    Parser.prototype.wrapLiteralPrimitive = function (input, location) {
        return new ASTWithSource(new LiteralPrimitive(new ParseSpan(0, input == null ? 0 : input.length), input), input, location, this.errors);
    };
    Parser.prototype._stripComments = function (input) {
        var i = this._commentStart(input);
        return i != null ? input.substring(0, i).trim() : input;
    };
    Parser.prototype._commentStart = function (input) {
        var outerQuote = null;
        for (var i = 0; i < input.length - 1; i++) {
            var char = input.charCodeAt(i);
            var nextChar = input.charCodeAt(i + 1);
            if (char === chars.$SLASH && nextChar == chars.$SLASH && outerQuote == null)
                return i;
            if (outerQuote === char) {
                outerQuote = null;
            }
            else if (outerQuote == null && isQuote(char)) {
                outerQuote = char;
            }
        }
        return null;
    };
    Parser.prototype._checkNoInterpolation = function (input, location, interpolationConfig) {
        var regexp = _createInterpolateRegExp(interpolationConfig);
        var parts = input.split(regexp);
        if (parts.length > 1) {
            this._reportError("Got interpolation (" + interpolationConfig.start + interpolationConfig.end + ") where expression was expected", input, "at column " + this._findInterpolationErrorColumn(parts, 1, interpolationConfig) + " in", location);
        }
    };
    Parser.prototype._findInterpolationErrorColumn = function (parts, partInErrIdx, interpolationConfig) {
        var errLocation = '';
        for (var j = 0; j < partInErrIdx; j++) {
            errLocation += j % 2 === 0 ?
                parts[j] :
                "" + interpolationConfig.start + parts[j] + interpolationConfig.end;
        }
        return errLocation.length;
    };
    return Parser;
}());
export { Parser };
var _ParseAST = /** @class */ (function () {
    function _ParseAST(input, location, tokens, inputLength, parseAction, errors, offset) {
        this.input = input;
        this.location = location;
        this.tokens = tokens;
        this.inputLength = inputLength;
        this.parseAction = parseAction;
        this.errors = errors;
        this.offset = offset;
        this.rparensExpected = 0;
        this.rbracketsExpected = 0;
        this.rbracesExpected = 0;
        this.index = 0;
    }
    _ParseAST.prototype.peek = function (offset) {
        var i = this.index + offset;
        return i < this.tokens.length ? this.tokens[i] : EOF;
    };
    Object.defineProperty(_ParseAST.prototype, "next", {
        get: function () { return this.peek(0); },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(_ParseAST.prototype, "inputIndex", {
        get: function () {
            return (this.index < this.tokens.length) ? this.next.index + this.offset :
                this.inputLength + this.offset;
        },
        enumerable: true,
        configurable: true
    });
    _ParseAST.prototype.span = function (start) { return new ParseSpan(start, this.inputIndex); };
    _ParseAST.prototype.advance = function () { this.index++; };
    _ParseAST.prototype.optionalCharacter = function (code) {
        if (this.next.isCharacter(code)) {
            this.advance();
            return true;
        }
        else {
            return false;
        }
    };
    _ParseAST.prototype.peekKeywordLet = function () { return this.next.isKeywordLet(); };
    _ParseAST.prototype.peekKeywordAs = function () { return this.next.isKeywordAs(); };
    _ParseAST.prototype.expectCharacter = function (code) {
        if (this.optionalCharacter(code))
            return;
        this.error("Missing expected " + String.fromCharCode(code));
    };
    _ParseAST.prototype.optionalOperator = function (op) {
        if (this.next.isOperator(op)) {
            this.advance();
            return true;
        }
        else {
            return false;
        }
    };
    _ParseAST.prototype.expectOperator = function (operator) {
        if (this.optionalOperator(operator))
            return;
        this.error("Missing expected operator " + operator);
    };
    _ParseAST.prototype.expectIdentifierOrKeyword = function () {
        var n = this.next;
        if (!n.isIdentifier() && !n.isKeyword()) {
            this.error("Unexpected token " + n + ", expected identifier or keyword");
            return '';
        }
        this.advance();
        return n.toString();
    };
    _ParseAST.prototype.expectIdentifierOrKeywordOrString = function () {
        var n = this.next;
        if (!n.isIdentifier() && !n.isKeyword() && !n.isString()) {
            this.error("Unexpected token " + n + ", expected identifier, keyword, or string");
            return '';
        }
        this.advance();
        return n.toString();
    };
    _ParseAST.prototype.parseChain = function () {
        var exprs = [];
        var start = this.inputIndex;
        while (this.index < this.tokens.length) {
            var expr = this.parsePipe();
            exprs.push(expr);
            if (this.optionalCharacter(chars.$SEMICOLON)) {
                if (!this.parseAction) {
                    this.error('Binding expression cannot contain chained expression');
                }
                while (this.optionalCharacter(chars.$SEMICOLON)) {
                } // read all semicolons
            }
            else if (this.index < this.tokens.length) {
                this.error("Unexpected token '" + this.next + "'");
            }
        }
        if (exprs.length == 0)
            return new EmptyExpr(this.span(start));
        if (exprs.length == 1)
            return exprs[0];
        return new Chain(this.span(start), exprs);
    };
    _ParseAST.prototype.parsePipe = function () {
        var result = this.parseExpression();
        if (this.optionalOperator('|')) {
            if (this.parseAction) {
                this.error('Cannot have a pipe in an action expression');
            }
            do {
                var name_1 = this.expectIdentifierOrKeyword();
                var args = [];
                while (this.optionalCharacter(chars.$COLON)) {
                    args.push(this.parseExpression());
                }
                result = new BindingPipe(this.span(result.span.start), result, name_1, args);
            } while (this.optionalOperator('|'));
        }
        return result;
    };
    _ParseAST.prototype.parseExpression = function () { return this.parseConditional(); };
    _ParseAST.prototype.parseConditional = function () {
        var start = this.inputIndex;
        var result = this.parseLogicalOr();
        if (this.optionalOperator('?')) {
            var yes = this.parsePipe();
            var no = void 0;
            if (!this.optionalCharacter(chars.$COLON)) {
                var end = this.inputIndex;
                var expression = this.input.substring(start, end);
                this.error("Conditional expression " + expression + " requires all 3 expressions");
                no = new EmptyExpr(this.span(start));
            }
            else {
                no = this.parsePipe();
            }
            return new Conditional(this.span(start), result, yes, no);
        }
        else {
            return result;
        }
    };
    _ParseAST.prototype.parseLogicalOr = function () {
        // '||'
        var result = this.parseLogicalAnd();
        while (this.optionalOperator('||')) {
            var right = this.parseLogicalAnd();
            result = new Binary(this.span(result.span.start), '||', result, right);
        }
        return result;
    };
    _ParseAST.prototype.parseLogicalAnd = function () {
        // '&&'
        var result = this.parseEquality();
        while (this.optionalOperator('&&')) {
            var right = this.parseEquality();
            result = new Binary(this.span(result.span.start), '&&', result, right);
        }
        return result;
    };
    _ParseAST.prototype.parseEquality = function () {
        // '==','!=','===','!=='
        var result = this.parseRelational();
        while (this.next.type == TokenType.Operator) {
            var operator = this.next.strValue;
            switch (operator) {
                case '==':
                case '===':
                case '!=':
                case '!==':
                    this.advance();
                    var right = this.parseRelational();
                    result = new Binary(this.span(result.span.start), operator, result, right);
                    continue;
            }
            break;
        }
        return result;
    };
    _ParseAST.prototype.parseRelational = function () {
        // '<', '>', '<=', '>='
        var result = this.parseAdditive();
        while (this.next.type == TokenType.Operator) {
            var operator = this.next.strValue;
            switch (operator) {
                case '<':
                case '>':
                case '<=':
                case '>=':
                    this.advance();
                    var right = this.parseAdditive();
                    result = new Binary(this.span(result.span.start), operator, result, right);
                    continue;
            }
            break;
        }
        return result;
    };
    _ParseAST.prototype.parseAdditive = function () {
        // '+', '-'
        var result = this.parseMultiplicative();
        while (this.next.type == TokenType.Operator) {
            var operator = this.next.strValue;
            switch (operator) {
                case '+':
                case '-':
                    this.advance();
                    var right = this.parseMultiplicative();
                    result = new Binary(this.span(result.span.start), operator, result, right);
                    continue;
            }
            break;
        }
        return result;
    };
    _ParseAST.prototype.parseMultiplicative = function () {
        // '*', '%', '/'
        var result = this.parsePrefix();
        while (this.next.type == TokenType.Operator) {
            var operator = this.next.strValue;
            switch (operator) {
                case '*':
                case '%':
                case '/':
                    this.advance();
                    var right = this.parsePrefix();
                    result = new Binary(this.span(result.span.start), operator, result, right);
                    continue;
            }
            break;
        }
        return result;
    };
    _ParseAST.prototype.parsePrefix = function () {
        if (this.next.type == TokenType.Operator) {
            var start = this.inputIndex;
            var operator = this.next.strValue;
            var result = void 0;
            switch (operator) {
                case '+':
                    this.advance();
                    result = this.parsePrefix();
                    return new Binary(this.span(start), '-', result, new LiteralPrimitive(new ParseSpan(start, start), 0));
                case '-':
                    this.advance();
                    result = this.parsePrefix();
                    return new Binary(this.span(start), operator, new LiteralPrimitive(new ParseSpan(start, start), 0), result);
                case '!':
                    this.advance();
                    result = this.parsePrefix();
                    return new PrefixNot(this.span(start), result);
            }
        }
        return this.parseCallChain();
    };
    _ParseAST.prototype.parseCallChain = function () {
        var result = this.parsePrimary();
        while (true) {
            if (this.optionalCharacter(chars.$PERIOD)) {
                result = this.parseAccessMemberOrMethodCall(result, false);
            }
            else if (this.optionalOperator('?.')) {
                result = this.parseAccessMemberOrMethodCall(result, true);
            }
            else if (this.optionalCharacter(chars.$LBRACKET)) {
                this.rbracketsExpected++;
                var key = this.parsePipe();
                this.rbracketsExpected--;
                this.expectCharacter(chars.$RBRACKET);
                if (this.optionalOperator('=')) {
                    var value = this.parseConditional();
                    result = new KeyedWrite(this.span(result.span.start), result, key, value);
                }
                else {
                    result = new KeyedRead(this.span(result.span.start), result, key);
                }
            }
            else if (this.optionalCharacter(chars.$LPAREN)) {
                this.rparensExpected++;
                var args = this.parseCallArguments();
                this.rparensExpected--;
                this.expectCharacter(chars.$RPAREN);
                result = new FunctionCall(this.span(result.span.start), result, args);
            }
            else if (this.optionalOperator('!')) {
                result = new NonNullAssert(this.span(result.span.start), result);
            }
            else {
                return result;
            }
        }
    };
    _ParseAST.prototype.parsePrimary = function () {
        var start = this.inputIndex;
        if (this.optionalCharacter(chars.$LPAREN)) {
            this.rparensExpected++;
            var result = this.parsePipe();
            this.rparensExpected--;
            this.expectCharacter(chars.$RPAREN);
            return result;
        }
        else if (this.next.isKeywordNull()) {
            this.advance();
            return new LiteralPrimitive(this.span(start), null);
        }
        else if (this.next.isKeywordUndefined()) {
            this.advance();
            return new LiteralPrimitive(this.span(start), void 0);
        }
        else if (this.next.isKeywordTrue()) {
            this.advance();
            return new LiteralPrimitive(this.span(start), true);
        }
        else if (this.next.isKeywordFalse()) {
            this.advance();
            return new LiteralPrimitive(this.span(start), false);
        }
        else if (this.next.isKeywordThis()) {
            this.advance();
            return new ImplicitReceiver(this.span(start));
        }
        else if (this.optionalCharacter(chars.$LBRACKET)) {
            this.rbracketsExpected++;
            var elements = this.parseExpressionList(chars.$RBRACKET);
            this.rbracketsExpected--;
            this.expectCharacter(chars.$RBRACKET);
            return new LiteralArray(this.span(start), elements);
        }
        else if (this.next.isCharacter(chars.$LBRACE)) {
            return this.parseLiteralMap();
        }
        else if (this.next.isIdentifier()) {
            return this.parseAccessMemberOrMethodCall(new ImplicitReceiver(this.span(start)), false);
        }
        else if (this.next.isNumber()) {
            var value = this.next.toNumber();
            this.advance();
            return new LiteralPrimitive(this.span(start), value);
        }
        else if (this.next.isString()) {
            var literalValue = this.next.toString();
            this.advance();
            return new LiteralPrimitive(this.span(start), literalValue);
        }
        else if (this.index >= this.tokens.length) {
            this.error("Unexpected end of expression: " + this.input);
            return new EmptyExpr(this.span(start));
        }
        else {
            this.error("Unexpected token " + this.next);
            return new EmptyExpr(this.span(start));
        }
    };
    _ParseAST.prototype.parseExpressionList = function (terminator) {
        var result = [];
        if (!this.next.isCharacter(terminator)) {
            do {
                result.push(this.parsePipe());
            } while (this.optionalCharacter(chars.$COMMA));
        }
        return result;
    };
    _ParseAST.prototype.parseLiteralMap = function () {
        var keys = [];
        var values = [];
        var start = this.inputIndex;
        this.expectCharacter(chars.$LBRACE);
        if (!this.optionalCharacter(chars.$RBRACE)) {
            this.rbracesExpected++;
            do {
                var quoted = this.next.isString();
                var key = this.expectIdentifierOrKeywordOrString();
                keys.push({ key: key, quoted: quoted });
                this.expectCharacter(chars.$COLON);
                values.push(this.parsePipe());
            } while (this.optionalCharacter(chars.$COMMA));
            this.rbracesExpected--;
            this.expectCharacter(chars.$RBRACE);
        }
        return new LiteralMap(this.span(start), keys, values);
    };
    _ParseAST.prototype.parseAccessMemberOrMethodCall = function (receiver, isSafe) {
        if (isSafe === void 0) { isSafe = false; }
        var start = receiver.span.start;
        var id = this.expectIdentifierOrKeyword();
        if (this.optionalCharacter(chars.$LPAREN)) {
            this.rparensExpected++;
            var args = this.parseCallArguments();
            this.expectCharacter(chars.$RPAREN);
            this.rparensExpected--;
            var span = this.span(start);
            return isSafe ? new SafeMethodCall(span, receiver, id, args) :
                new MethodCall(span, receiver, id, args);
        }
        else {
            if (isSafe) {
                if (this.optionalOperator('=')) {
                    this.error('The \'?.\' operator cannot be used in the assignment');
                    return new EmptyExpr(this.span(start));
                }
                else {
                    return new SafePropertyRead(this.span(start), receiver, id);
                }
            }
            else {
                if (this.optionalOperator('=')) {
                    if (!this.parseAction) {
                        this.error('Bindings cannot contain assignments');
                        return new EmptyExpr(this.span(start));
                    }
                    var value = this.parseConditional();
                    return new PropertyWrite(this.span(start), receiver, id, value);
                }
                else {
                    return new PropertyRead(this.span(start), receiver, id);
                }
            }
        }
    };
    _ParseAST.prototype.parseCallArguments = function () {
        if (this.next.isCharacter(chars.$RPAREN))
            return [];
        var positionals = [];
        do {
            positionals.push(this.parsePipe());
        } while (this.optionalCharacter(chars.$COMMA));
        return positionals;
    };
    /**
     * An identifier, a keyword, a string with an optional `-` in between.
     */
    _ParseAST.prototype.expectTemplateBindingKey = function () {
        var result = '';
        var operatorFound = false;
        do {
            result += this.expectIdentifierOrKeywordOrString();
            operatorFound = this.optionalOperator('-');
            if (operatorFound) {
                result += '-';
            }
        } while (operatorFound);
        return result.toString();
    };
    // Parses the AST for `<some-tag *tplKey=AST>`
    _ParseAST.prototype.parseTemplateBindings = function (tplKey) {
        var firstBinding = true;
        var bindings = [];
        var warnings = [];
        do {
            var start = this.inputIndex;
            var rawKey = void 0;
            var key = void 0;
            var isVar = false;
            if (firstBinding) {
                rawKey = key = tplKey;
                firstBinding = false;
            }
            else {
                isVar = this.peekKeywordLet();
                if (isVar)
                    this.advance();
                rawKey = this.expectTemplateBindingKey();
                key = isVar ? rawKey : tplKey + rawKey[0].toUpperCase() + rawKey.substring(1);
                this.optionalCharacter(chars.$COLON);
            }
            var name_2 = null;
            var expression = null;
            if (isVar) {
                if (this.optionalOperator('=')) {
                    name_2 = this.expectTemplateBindingKey();
                }
                else {
                    name_2 = '\$implicit';
                }
            }
            else if (this.peekKeywordAs()) {
                this.advance(); // consume `as`
                name_2 = rawKey;
                key = this.expectTemplateBindingKey(); // read local var name
                isVar = true;
            }
            else if (this.next !== EOF && !this.peekKeywordLet()) {
                var start_1 = this.inputIndex;
                var ast = this.parsePipe();
                var source = this.input.substring(start_1 - this.offset, this.inputIndex - this.offset);
                expression = new ASTWithSource(ast, source, this.location, this.errors);
            }
            bindings.push(new TemplateBinding(this.span(start), key, isVar, name_2, expression));
            if (this.peekKeywordAs() && !isVar) {
                var letStart = this.inputIndex;
                this.advance(); // consume `as`
                var letName = this.expectTemplateBindingKey(); // read local var name
                bindings.push(new TemplateBinding(this.span(letStart), letName, true, key, null));
            }
            if (!this.optionalCharacter(chars.$SEMICOLON)) {
                this.optionalCharacter(chars.$COMMA);
            }
        } while (this.index < this.tokens.length);
        return new TemplateBindingParseResult(bindings, warnings, this.errors);
    };
    _ParseAST.prototype.error = function (message, index) {
        if (index === void 0) { index = null; }
        this.errors.push(new ParserError(message, this.input, this.locationText(index), this.location));
        this.skip();
    };
    _ParseAST.prototype.locationText = function (index) {
        if (index === void 0) { index = null; }
        if (index == null)
            index = this.index;
        return (index < this.tokens.length) ? "at column " + (this.tokens[index].index + 1) + " in" :
            "at the end of the expression";
    };
    // Error recovery should skip tokens until it encounters a recovery point. skip() treats
    // the end of input and a ';' as unconditionally a recovery point. It also treats ')',
    // '}' and ']' as conditional recovery points if one of calling productions is expecting
    // one of these symbols. This allows skip() to recover from errors such as '(a.) + 1' allowing
    // more of the AST to be retained (it doesn't skip any tokens as the ')' is retained because
    // of the '(' begins an '(' <expr> ')' production). The recovery points of grouping symbols
    // must be conditional as they must be skipped if none of the calling productions are not
    // expecting the closing token else we will never make progress in the case of an
    // extraneous group closing symbol (such as a stray ')'). This is not the case for ';' because
    // parseChain() is always the root production and it expects a ';'.
    // If a production expects one of these token it increments the corresponding nesting count,
    // and then decrements it just prior to checking if the token is in the input.
    _ParseAST.prototype.skip = function () {
        var n = this.next;
        while (this.index < this.tokens.length && !n.isCharacter(chars.$SEMICOLON) &&
            (this.rparensExpected <= 0 || !n.isCharacter(chars.$RPAREN)) &&
            (this.rbracesExpected <= 0 || !n.isCharacter(chars.$RBRACE)) &&
            (this.rbracketsExpected <= 0 || !n.isCharacter(chars.$RBRACKET))) {
            if (this.next.isError()) {
                this.errors.push(new ParserError(this.next.toString(), this.input, this.locationText(), this.location));
            }
            this.advance();
            n = this.next;
        }
    };
    return _ParseAST;
}());
export { _ParseAST };
var SimpleExpressionChecker = /** @class */ (function () {
    function SimpleExpressionChecker() {
        this.errors = [];
    }
    SimpleExpressionChecker.check = function (ast) {
        var s = new SimpleExpressionChecker();
        ast.visit(s);
        return s.errors;
    };
    SimpleExpressionChecker.prototype.visitImplicitReceiver = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitInterpolation = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitLiteralPrimitive = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitPropertyRead = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitPropertyWrite = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitSafePropertyRead = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitMethodCall = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitSafeMethodCall = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitFunctionCall = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitLiteralArray = function (ast, context) { this.visitAll(ast.expressions); };
    SimpleExpressionChecker.prototype.visitLiteralMap = function (ast, context) { this.visitAll(ast.values); };
    SimpleExpressionChecker.prototype.visitBinary = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitPrefixNot = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitNonNullAssert = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitConditional = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitPipe = function (ast, context) { this.errors.push('pipes'); };
    SimpleExpressionChecker.prototype.visitKeyedRead = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitKeyedWrite = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitAll = function (asts) {
        var _this = this;
        return asts.map(function (node) { return node.visit(_this); });
    };
    SimpleExpressionChecker.prototype.visitChain = function (ast, context) { };
    SimpleExpressionChecker.prototype.visitQuote = function (ast, context) { };
    return SimpleExpressionChecker;
}());
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"parser.js","sourceRoot":"","sources":["../../../../../../../../../../packages/compiler/src/expression_parser/parser.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,KAAK,KAAK,MAAM,UAAU,CAAC;AAClC,OAAO,EAAC,4BAA4B,EAAsB,MAAM,mCAAmC,CAAC;AACpG,OAAO,EAAC,YAAY,EAAC,MAAM,SAAS,CAAC;AAErC,OAAO,EAAM,aAAa,EAAc,MAAM,EAAE,WAAW,EAAE,KAAK,EAAE,WAAW,EAAE,SAAS,EAAE,YAAY,EAAE,gBAAgB,EAAE,aAAa,EAAE,SAAS,EAAE,UAAU,EAAE,YAAY,EAAE,UAAU,EAAiB,gBAAgB,EAAE,UAAU,EAAE,aAAa,EAAE,SAAS,EAAE,WAAW,EAAE,SAAS,EAAE,YAAY,EAAE,aAAa,EAAE,KAAK,EAAE,cAAc,EAAE,gBAAgB,EAAE,eAAe,EAAC,MAAM,OAAO,CAAC;AAC/X,OAAO,EAAC,GAAG,EAAgB,SAAS,EAAE,YAAY,EAAE,OAAO,EAAC,MAAM,SAAS,CAAC;AAE5E;IACE,4BAAmB,OAAiB,EAAS,WAAqB,EAAS,OAAiB;QAAzE,YAAO,GAAP,OAAO,CAAU;QAAS,gBAAW,GAAX,WAAW,CAAU;QAAS,YAAO,GAAP,OAAO,CAAU;IAAG,CAAC;IAClG,yBAAC;AAAD,CAAC,AAFD,IAEC;;AAED;IACE,oCACW,gBAAmC,EAAS,QAAkB,EAC9D,MAAqB;QADrB,qBAAgB,GAAhB,gBAAgB,CAAmB;QAAS,aAAQ,GAAR,QAAQ,CAAU;QAC9D,WAAM,GAAN,MAAM,CAAe;IAAG,CAAC;IACtC,iCAAC;AAAD,CAAC,AAJD,IAIC;;AAED,kCAAkC,MAA2B;IAC3D,IAAM,OAAO,GAAG,YAAY,CAAC,MAAM,CAAC,KAAK,CAAC,GAAG,cAAc,GAAG,YAAY,CAAC,MAAM,CAAC,GAAG,CAAC,CAAC;IACvF,OAAO,IAAI,MAAM,CAAC,OAAO,EAAE,GAAG,CAAC,CAAC;AAClC,CAAC;AAED;IAGE,gBAAoB,MAAa;QAAb,WAAM,GAAN,MAAM,CAAO;QAFzB,WAAM,GAAkB,EAAE,CAAC;IAEC,CAAC;IAErC,4BAAW,GAAX,UACI,KAAa,EAAE,QAAa,EAC5B,mBAAuE;QAAvE,oCAAA,EAAA,kDAAuE;QACzE,IAAI,CAAC,qBAAqB,CAAC,KAAK,EAAE,QAAQ,EAAE,mBAAmB,CAAC,CAAC;QACjE,IAAM,WAAW,GAAG,IAAI,CAAC,cAAc,CAAC,KAAK,CAAC,CAAC;QAC/C,IAAM,MAAM,GAAG,IAAI,CAAC,MAAM,CAAC,QAAQ,CAAC,IAAI,CAAC,cAAc,CAAC,KAAK,CAAC,CAAC,CAAC;QAChE,IAAM,GAAG,GAAG,IAAI,SAAS,CACT,KAAK,EAAE,QAAQ,EAAE,MAAM,EAAE,WAAW,CAAC,MAAM,EAAE,IAAI,EAAE,IAAI,CAAC,MAAM,EAC9D,KAAK,CAAC,MAAM,GAAG,WAAW,CAAC,MAAM,CAAC;aACjC,UAAU,EAAE,CAAC;QAC9B,OAAO,IAAI,aAAa,CAAC,GAAG,EAAE,KAAK,EAAE,QAAQ,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;IAC9D,CAAC;IAED,6BAAY,GAAZ,UACI,KAAa,EAAE,QAAa,EAC5B,mBAAuE;QAAvE,oCAAA,EAAA,kDAAuE;QACzE,IAAM,GAAG,GAAG,IAAI,CAAC,gBAAgB,CAAC,KAAK,EAAE,QAAQ,EAAE,mBAAmB,CAAC,CAAC;QACxE,OAAO,IAAI,aAAa,CAAC,GAAG,EAAE,KAAK,EAAE,QAAQ,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;IAC9D,CAAC;IAED,mCAAkB,GAAlB,UACI,KAAa,EAAE,QAAgB,EAC/B,mBAAuE;QAAvE,oCAAA,EAAA,kDAAuE;QACzE,IAAM,GAAG,GAAG,IAAI,CAAC,gBAAgB,CAAC,KAAK,EAAE,QAAQ,EAAE,mBAAmB,CAAC,CAAC;QACxE,IAAM,MAAM,GAAG,uBAAuB,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC;QAClD,IAAI,MAAM,CAAC,MAAM,GAAG,CAAC,EAAE;YACrB,IAAI,CAAC,YAAY,CACb,4CAA0C,MAAM,CAAC,IAAI,CAAC,GAAG,CAAG,EAAE,KAAK,EAAE,QAAQ,CAAC,CAAC;SACpF;QACD,OAAO,IAAI,aAAa,CAAC,GAAG,EAAE,KAAK,EAAE,QAAQ,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;IAC9D,CAAC;IAEO,6BAAY,GAApB,UAAqB,OAAe,EAAE,KAAa,EAAE,WAAmB,EAAE,WAAiB;QACzF,IAAI,CAAC,MAAM,CAAC,IAAI,CAAC,IAAI,WAAW,CAAC,OAAO,EAAE,KAAK,EAAE,WAAW,EAAE,WAAW,CAAC,CAAC,CAAC;IAC9E,CAAC;IAEO,iCAAgB,GAAxB,UACI,KAAa,EAAE,QAAgB,EAAE,mBAAwC;QAC3E,6EAA6E;QAC7E,oEAAoE;QACpE,IAAM,KAAK,GAAG,IAAI,CAAC,WAAW,CAAC,KAAK,EAAE,QAAQ,CAAC,CAAC;QAEhD,IAAI,KAAK,IAAI,IAAI,EAAE;YACjB,OAAO,KAAK,CAAC;SACd;QAED,IAAI,CAAC,qBAAqB,CAAC,KAAK,EAAE,QAAQ,EAAE,mBAAmB,CAAC,CAAC;QACjE,IAAM,WAAW,GAAG,IAAI,CAAC,cAAc,CAAC,KAAK,CAAC,CAAC;QAC/C,IAAM,MAAM,GAAG,IAAI,CAAC,MAAM,CAAC,QAAQ,CAAC,WAAW,CAAC,CAAC;QACjD,OAAO,IAAI,SAAS,CACT,KAAK,EAAE,QAAQ,EAAE,MAAM,EAAE,WAAW,CAAC,MAAM,EAAE,KAAK,EAAE,IAAI,CAAC,MAAM,EAC/D,KAAK,CAAC,MAAM,GAAG,WAAW,CAAC,MAAM,CAAC;aACxC,UAAU,EAAE,CAAC;IACpB,CAAC;IAEO,4BAAW,GAAnB,UAAoB,KAAkB,EAAE,QAAa;QACnD,IAAI,KAAK,IAAI,IAAI;YAAE,OAAO,IAAI,CAAC;QAC/B,IAAM,oBAAoB,GAAG,KAAK,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC;QAChD,IAAI,oBAAoB,IAAI,CAAC,CAAC;YAAE,OAAO,IAAI,CAAC;QAC5C,IAAM,MAAM,GAAG,KAAK,CAAC,SAAS,CAAC,CAAC,EAAE,oBAAoB,CAAC,CAAC,IAAI,EAAE,CAAC;QAC/D,IAAI,CAAC,YAAY,CAAC,MAAM,CAAC;YAAE,OAAO,IAAI,CAAC;QACvC,IAAM,uBAAuB,GAAG,KAAK,CAAC,SAAS,CAAC,oBAAoB,GAAG,CAAC,CAAC,CAAC;QAC1E,OAAO,IAAI,KAAK,CAAC,IAAI,SAAS,CAAC,CAAC,EAAE,KAAK,CAAC,MAAM,CAAC,EAAE,MAAM,EAAE,uBAAuB,EAAE,QAAQ,CAAC,CAAC;IAC9F,CAAC;IAED,sCAAqB,GAArB,UAAsB,MAAc,EAAE,QAAgB,EAAE,QAAa;QAEnE,IAAM,MAAM,GAAG,IAAI,CAAC,MAAM,CAAC,QAAQ,CAAC,QAAQ,CAAC,CAAC;QAC9C,OAAO,IAAI,SAAS,CAAC,QAAQ,EAAE,QAAQ,EAAE,MAAM,EAAE,QAAQ,CAAC,MAAM,EAAE,KAAK,EAAE,IAAI,CAAC,MAAM,EAAE,CAAC,CAAC;aACnF,qBAAqB,CAAC,MAAM,CAAC,CAAC;IACrC,CAAC;IAED,mCAAkB,GAAlB,UACI,KAAa,EAAE,QAAa,EAC5B,mBAAuE;QAAvE,oCAAA,EAAA,kDAAuE;QACzE,IAAM,KAAK,GAAG,IAAI,CAAC,kBAAkB,CAAC,KAAK,EAAE,QAAQ,EAAE,mBAAmB,CAAC,CAAC;QAC5E,IAAI,KAAK,IAAI,IAAI;YAAE,OAAO,IAAI,CAAC;QAE/B,IAAM,WAAW,GAAU,EAAE,CAAC;QAE9B,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,KAAK,CAAC,WAAW,CAAC,MAAM,EAAE,EAAE,CAAC,EAAE;YACjD,IAAM,cAAc,GAAG,KAAK,CAAC,WAAW,CAAC,CAAC,CAAC,CAAC;YAC5C,IAAM,WAAW,GAAG,IAAI,CAAC,cAAc,CAAC,cAAc,CAAC,CAAC;YACxD,IAAM,MAAM,GAAG,IAAI,CAAC,MAAM,CAAC,QAAQ,CAAC,WAAW,CAAC,CAAC;YACjD,IAAM,GAAG,GAAG,IAAI,SAAS,CACT,KAAK,EAAE,QAAQ,EAAE,MAAM,EAAE,WAAW,CAAC,MAAM,EAAE,KAAK,EAAE,IAAI,CAAC,MAAM,EAC/D,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,GAAG,CAAC,cAAc,CAAC,MAAM,GAAG,WAAW,CAAC,MAAM,CAAC,CAAC;iBAC/D,UAAU,EAAE,CAAC;YAC9B,WAAW,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;SACvB;QAED,OAAO,IAAI,aAAa,CACpB,IAAI,aAAa,CACb,IAAI,SAAS,CAAC,CAAC,EAAE,KAAK,IAAI,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,MAAM,CAAC,EAAE,KAAK,CAAC,OAAO,EAAE,WAAW,CAAC,EACnF,KAAK,EAAE,QAAQ,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;IACpC,CAAC;IAED,mCAAkB,GAAlB,UACI,KAAa,EAAE,QAAgB,EAC/B,mBAAuE;QAAvE,oCAAA,EAAA,kDAAuE;QAEzE,IAAM,MAAM,GAAG,wBAAwB,CAAC,mBAAmB,CAAC,CAAC;QAC7D,IAAM,KAAK,GAAG,KAAK,CAAC,KAAK,CAAC,MAAM,CAAC,CAAC;QAClC,IAAI,KAAK,CAAC,MAAM,IAAI,CAAC,EAAE;YACrB,OAAO,IAAI,CAAC;SACb;QACD,IAAM,OAAO,GAAa,EAAE,CAAC;QAC7B,IAAM,WAAW,GAAa,EAAE,CAAC;QACjC,IAAM,OAAO,GAAa,EAAE,CAAC;QAC7B,IAAI,MAAM,GAAG,CAAC,CAAC;QACf,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,KAAK,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;YACrC,IAAM,IAAI,GAAW,KAAK,CAAC,CAAC,CAAC,CAAC;YAC9B,IAAI,CAAC,GAAG,CAAC,KAAK,CAAC,EAAE;gBACf,eAAe;gBACf,OAAO,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;gBACnB,MAAM,IAAI,IAAI,CAAC,MAAM,CAAC;aACvB;iBAAM,IAAI,IAAI,CAAC,IAAI,EAAE,CAAC,MAAM,GAAG,CAAC,EAAE;gBACjC,MAAM,IAAI,mBAAmB,CAAC,KAAK,CAAC,MAAM,CAAC;gBAC3C,WAAW,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;gBACvB,OAAO,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;gBACrB,MAAM,IAAI,IAAI,CAAC,MAAM,GAAG,mBAAmB,CAAC,GAAG,CAAC,MAAM,CAAC;aACxD;iBAAM;gBACL,IAAI,CAAC,YAAY,CACb,2DAA2D,EAAE,KAAK,EAClE,eAAa,IAAI,CAAC,6BAA6B,CAAC,KAAK,EAAE,CAAC,EAAE,mBAAmB,CAAC,QAAK,EACnF,QAAQ,CAAC,CAAC;gBACd,WAAW,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC;gBAC7B,OAAO,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;aACtB;SACF;QACD,OAAO,IAAI,kBAAkB,CAAC,OAAO,EAAE,WAAW,EAAE,OAAO,CAAC,CAAC;IAC/D,CAAC;IAED,qCAAoB,GAApB,UAAqB,KAAkB,EAAE,QAAa;QACpD,OAAO,IAAI,aAAa,CACpB,IAAI,gBAAgB,CAAC,IAAI,SAAS,CAAC,CAAC,EAAE,KAAK,IAAI,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,MAAM,CAAC,EAAE,KAAK,CAAC,EAAE,KAAK,EACtF,QAAQ,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;IAC7B,CAAC;IAEO,+BAAc,GAAtB,UAAuB,KAAa;QAClC,IAAM,CAAC,GAAG,IAAI,CAAC,aAAa,CAAC,KAAK,CAAC,CAAC;QACpC,OAAO,CAAC,IAAI,IAAI,CAAC,CAAC,CAAC,KAAK,CAAC,SAAS,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC,KAAK,CAAC;IAC1D,CAAC;IAEO,8BAAa,GAArB,UAAsB,KAAa;QACjC,IAAI,UAAU,GAAgB,IAAI,CAAC;QACnC,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,KAAK,CAAC,MAAM,GAAG,CAAC,EAAE,CAAC,EAAE,EAAE;YACzC,IAAM,IAAI,GAAG,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;YACjC,IAAM,QAAQ,GAAG,KAAK,CAAC,UAAU,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;YAEzC,IAAI,IAAI,KAAK,KAAK,CAAC,MAAM,IAAI,QAAQ,IAAI,KAAK,CAAC,MAAM,IAAI,UAAU,IAAI,IAAI;gBAAE,OAAO,CAAC,CAAC;YAEtF,IAAI,UAAU,KAAK,IAAI,EAAE;gBACvB,UAAU,GAAG,IAAI,CAAC;aACnB;iBAAM,IAAI,UAAU,IAAI,IAAI,IAAI,OAAO,CAAC,IAAI,CAAC,EAAE;gBAC9C,UAAU,GAAG,IAAI,CAAC;aACnB;SACF;QACD,OAAO,IAAI,CAAC;IACd,CAAC;IAEO,sCAAqB,GAA7B,UACI,KAAa,EAAE,QAAa,EAAE,mBAAwC;QACxE,IAAM,MAAM,GAAG,wBAAwB,CAAC,mBAAmB,CAAC,CAAC;QAC7D,IAAM,KAAK,GAAG,KAAK,CAAC,KAAK,CAAC,MAAM,CAAC,CAAC;QAClC,IAAI,KAAK,CAAC,MAAM,GAAG,CAAC,EAAE;YACpB,IAAI,CAAC,YAAY,CACb,wBAAsB,mBAAmB,CAAC,KAAK,GAAG,mBAAmB,CAAC,GAAG,oCAAiC,EAC1G,KAAK,EACL,eAAa,IAAI,CAAC,6BAA6B,CAAC,KAAK,EAAE,CAAC,EAAE,mBAAmB,CAAC,QAAK,EACnF,QAAQ,CAAC,CAAC;SACf;IACH,CAAC;IAEO,8CAA6B,GAArC,UACI,KAAe,EAAE,YAAoB,EAAE,mBAAwC;QACjF,IAAI,WAAW,GAAG,EAAE,CAAC;QACrB,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,YAAY,EAAE,CAAC,EAAE,EAAE;YACrC,WAAW,IAAI,CAAC,GAAG,CAAC,KAAK,CAAC,CAAC,CAAC;gBACxB,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC;gBACV,KAAG,mBAAmB,CAAC,KAAK,GAAG,KAAK,CAAC,CAAC,CAAC,GAAG,mBAAmB,CAAC,GAAK,CAAC;SACzE;QAED,OAAO,WAAW,CAAC,MAAM,CAAC;IAC5B,CAAC;IACH,aAAC;AAAD,CAAC,AA9LD,IA8LC;;AAED;IAOE,mBACW,KAAa,EAAS,QAAa,EAAS,MAAe,EAC3D,WAAmB,EAAS,WAAoB,EAAU,MAAqB,EAC9E,MAAc;QAFf,UAAK,GAAL,KAAK,CAAQ;QAAS,aAAQ,GAAR,QAAQ,CAAK;QAAS,WAAM,GAAN,MAAM,CAAS;QAC3D,gBAAW,GAAX,WAAW,CAAQ;QAAS,gBAAW,GAAX,WAAW,CAAS;QAAU,WAAM,GAAN,MAAM,CAAe;QAC9E,WAAM,GAAN,MAAM,CAAQ;QATlB,oBAAe,GAAG,CAAC,CAAC;QACpB,sBAAiB,GAAG,CAAC,CAAC;QACtB,oBAAe,GAAG,CAAC,CAAC;QAE5B,UAAK,GAAW,CAAC,CAAC;IAKW,CAAC;IAE9B,wBAAI,GAAJ,UAAK,MAAc;QACjB,IAAM,CAAC,GAAG,IAAI,CAAC,KAAK,GAAG,MAAM,CAAC;QAC9B,OAAO,CAAC,GAAG,IAAI,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC;IACvD,CAAC;IAED,sBAAI,2BAAI;aAAR,cAAoB,OAAO,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;;;OAAA;IAE1C,sBAAI,iCAAU;aAAd;YACE,OAAO,CAAC,IAAI,CAAC,KAAK,GAAG,IAAI,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,IAAI,CAAC,KAAK,GAAG,IAAI,CAAC,MAAM,CAAC,CAAC;gBAC/B,IAAI,CAAC,WAAW,GAAG,IAAI,CAAC,MAAM,CAAC;QAC5E,CAAC;;;OAAA;IAED,wBAAI,GAAJ,UAAK,KAAa,IAAI,OAAO,IAAI,SAAS,CAAC,KAAK,EAAE,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;IAErE,2BAAO,GAAP,cAAY,IAAI,CAAC,KAAK,EAAE,CAAC,CAAC,CAAC;IAE3B,qCAAiB,GAAjB,UAAkB,IAAY;QAC5B,IAAI,IAAI,CAAC,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,EAAE;YAC/B,IAAI,CAAC,OAAO,EAAE,CAAC;YACf,OAAO,IAAI,CAAC;SACb;aAAM;YACL,OAAO,KAAK,CAAC;SACd;IACH,CAAC;IAED,kCAAc,GAAd,cAA4B,OAAO,IAAI,CAAC,IAAI,CAAC,YAAY,EAAE,CAAC,CAAC,CAAC;IAC9D,iCAAa,GAAb,cAA2B,OAAO,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE,CAAC,CAAC,CAAC;IAE5D,mCAAe,GAAf,UAAgB,IAAY;QAC1B,IAAI,IAAI,CAAC,iBAAiB,CAAC,IAAI,CAAC;YAAE,OAAO;QACzC,IAAI,CAAC,KAAK,CAAC,sBAAoB,MAAM,CAAC,YAAY,CAAC,IAAI,CAAG,CAAC,CAAC;IAC9D,CAAC;IAED,oCAAgB,GAAhB,UAAiB,EAAU;QACzB,IAAI,IAAI,CAAC,IAAI,CAAC,UAAU,CAAC,EAAE,CAAC,EAAE;YAC5B,IAAI,CAAC,OAAO,EAAE,CAAC;YACf,OAAO,IAAI,CAAC;SACb;aAAM;YACL,OAAO,KAAK,CAAC;SACd;IACH,CAAC;IAED,kCAAc,GAAd,UAAe,QAAgB;QAC7B,IAAI,IAAI,CAAC,gBAAgB,CAAC,QAAQ,CAAC;YAAE,OAAO;QAC5C,IAAI,CAAC,KAAK,CAAC,+BAA6B,QAAU,CAAC,CAAC;IACtD,CAAC;IAED,6CAAyB,GAAzB;QACE,IAAM,CAAC,GAAG,IAAI,CAAC,IAAI,CAAC;QACpB,IAAI,CAAC,CAAC,CAAC,YAAY,EAAE,IAAI,CAAC,CAAC,CAAC,SAAS,EAAE,EAAE;YACvC,IAAI,CAAC,KAAK,CAAC,sBAAoB,CAAC,qCAAkC,CAAC,CAAC;YACpE,OAAO,EAAE,CAAC;SACX;QACD,IAAI,CAAC,OAAO,EAAE,CAAC;QACf,OAAO,CAAC,CAAC,QAAQ,EAAY,CAAC;IAChC,CAAC;IAED,qDAAiC,GAAjC;QACE,IAAM,CAAC,GAAG,IAAI,CAAC,IAAI,CAAC;QACpB,IAAI,CAAC,CAAC,CAAC,YAAY,EAAE,IAAI,CAAC,CAAC,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC,CAAC,QAAQ,EAAE,EAAE;YACxD,IAAI,CAAC,KAAK,CAAC,sBAAoB,CAAC,8CAA2C,CAAC,CAAC;YAC7E,OAAO,EAAE,CAAC;SACX;QACD,IAAI,CAAC,OAAO,EAAE,CAAC;QACf,OAAO,CAAC,CAAC,QAAQ,EAAY,CAAC;IAChC,CAAC;IAED,8BAAU,GAAV;QACE,IAAM,KAAK,GAAU,EAAE,CAAC;QACxB,IAAM,KAAK,GAAG,IAAI,CAAC,UAAU,CAAC;QAC9B,OAAO,IAAI,CAAC,KAAK,GAAG,IAAI,CAAC,MAAM,CAAC,MAAM,EAAE;YACtC,IAAM,IAAI,GAAG,IAAI,CAAC,SAAS,EAAE,CAAC;YAC9B,KAAK,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;YAEjB,IAAI,IAAI,CAAC,iBAAiB,CAAC,KAAK,CAAC,UAAU,CAAC,EAAE;gBAC5C,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE;oBACrB,IAAI,CAAC,KAAK,CAAC,sDAAsD,CAAC,CAAC;iBACpE;gBACD,OAAO,IAAI,CAAC,iBAAiB,CAAC,KAAK,CAAC,UAAU,CAAC,EAAE;iBAChD,CAAE,sBAAsB;aAC1B;iBAAM,IAAI,IAAI,CAAC,KAAK,GAAG,IAAI,CAAC,MAAM,CAAC,MAAM,EAAE;gBAC1C,IAAI,CAAC,KAAK,CAAC,uBAAqB,IAAI,CAAC,IAAI,MAAG,CAAC,CAAC;aAC/C;SACF;QACD,IAAI,KAAK,CAAC,MAAM,IAAI,CAAC;YAAE,OAAO,IAAI,SAAS,CAAC,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC,CAAC;QAC9D,IAAI,KAAK,CAAC,MAAM,IAAI,CAAC;YAAE,OAAO,KAAK,CAAC,CAAC,CAAC,CAAC;QACvC,OAAO,IAAI,KAAK,CAAC,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,EAAE,KAAK,CAAC,CAAC;IAC5C,CAAC;IAED,6BAAS,GAAT;QACE,IAAI,MAAM,GAAG,IAAI,CAAC,eAAe,EAAE,CAAC;QACpC,IAAI,IAAI,CAAC,gBAAgB,CAAC,GAAG,CAAC,EAAE;YAC9B,IAAI,IAAI,CAAC,WAAW,EAAE;gBACpB,IAAI,CAAC,KAAK,CAAC,4CAA4C,CAAC,CAAC;aAC1D;YAED,GAAG;gBACD,IAAM,MAAI,GAAG,IAAI,CAAC,yBAAyB,EAAE,CAAC;gBAC9C,IAAM,IAAI,GAAU,EAAE,CAAC;gBACvB,OAAO,IAAI,CAAC,iBAAiB,CAAC,KAAK,CAAC,MAAM,CAAC,EAAE;oBAC3C,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,eAAe,EAAE,CAAC,CAAC;iBACnC;gBACD,MAAM,GAAG,IAAI,WAAW,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,IAAI,CAAC,KAAK,CAAC,EAAE,MAAM,EAAE,MAAI,EAAE,IAAI,CAAC,CAAC;aAC5E,QAAQ,IAAI,CAAC,gBAAgB,CAAC,GAAG,CAAC,EAAE;SACtC;QAED,OAAO,MAAM,CAAC;IAChB,CAAC;IAED,mCAAe,GAAf,cAAyB,OAAO,IAAI,CAAC,gBAAgB,EAAE,CAAC,CAAC,CAAC;IAE1D,oCAAgB,GAAhB;QACE,IAAM,KAAK,GAAG,IAAI,CAAC,UAAU,CAAC;QAC9B,IAAM,MAAM,GAAG,IAAI,CAAC,cAAc,EAAE,CAAC;QAErC,IAAI,IAAI,CAAC,gBAAgB,CAAC,