rawsql-ts
Version:
[beta]High-performance SQL parser and AST analyzer written in TypeScript. Provides fast parsing and advanced transformation capabilities.
33 lines • 1.71 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ParenExpressionParser = void 0;
const Lexeme_1 = require("../models/Lexeme");
const ValueComponent_1 = require("../models/ValueComponent");
const SelectQueryParser_1 = require("./SelectQueryParser");
const ValueParser_1 = require("./ValueParser");
class ParenExpressionParser {
static parseFromLexeme(lexemes, index) {
let idx = index;
// check inline query
if (idx + 1 < lexemes.length && lexemes[idx].type & Lexeme_1.TokenType.OpenParen && (lexemes[idx + 1].value === "select" || lexemes[idx + 1].value === "values" || lexemes[idx + 1].value === "with")) {
idx += 1; // Skip the '(' token
const result = SelectQueryParser_1.SelectQueryParser.parseFromLexeme(lexemes, idx);
idx = result.newIndex;
// Check for closing parenthesis
if (idx >= lexemes.length || lexemes[idx].type !== Lexeme_1.TokenType.CloseParen) {
throw new Error(`Expected ')' at index ${idx}, but found ${lexemes[idx].value}`);
}
idx++; // Skip the ')' token
const value = new ValueComponent_1.InlineQuery(result.value);
return { value, newIndex: idx };
}
else {
const result = ValueParser_1.ValueParser.parseArgument(Lexeme_1.TokenType.OpenParen, Lexeme_1.TokenType.CloseParen, lexemes, index);
idx = result.newIndex;
const value = new ValueComponent_1.ParenExpression(result.value);
return { value, newIndex: idx };
}
}
}
exports.ParenExpressionParser = ParenExpressionParser;
//# sourceMappingURL=ParenExpressionParser.js.map