@bcoders.gr/evm-disassembler/lib/errors.js

A comprehensive EVM bytecode disassembler and analyzer with support for multiple EVM versions

/**
 * Custom error classes for EVM bytecode disassembler
 * @module errors
 */

/**
 * Base error class for bytecode decoder errors
 */
class BytecodeDecoderError extends Error {
    constructor(message, code = 'UNKNOWN_ERROR', details = null) {
        super(message);
        this.name = 'BytecodeDecoderError';
        this.code = code;
        this.details = details;
    }
}

/**
 * Error thrown when bytecode is invalid or malformed
 */
class InvalidBytecodeError extends BytecodeDecoderError {
    constructor(message, bytecode = null, position = null) {
        super(message, 'INVALID_BYTECODE', { bytecode, position });
        this.name = 'InvalidBytecodeError';
    }
}

/**
 * Error thrown when metadata parsing fails
 */
class MetadataParsingError extends BytecodeDecoderError {
    constructor(message, metadata = null) {
        super(message, 'METADATA_PARSING_ERROR', { metadata });
        this.name = 'MetadataParsingError';
    }
}

/**
 * Error thrown during stack analysis
 */
class StackAnalysisError extends BytecodeDecoderError {
    constructor(message, opcode = null, position = null, stackDepth = null) {
        super(message, 'STACK_ANALYSIS_ERROR', { opcode, position, stackDepth });
        this.name = 'StackAnalysisError';
    }
}

module.exports = {
    BytecodeDecoderError,
    InvalidBytecodeError,
    MetadataParsingError,
    StackAnalysisError
};