JSON Parser

This script provides functionality to validate JSON files in a given directory.

Functions

lexer(input)

Takes a JSON string and returns an array of tokens. If an unescaped control character is found, it returns null.

validateNumber(token)

Returns true if the token is a valid JSON number.

parseValue(tokens, depth)

Parses a value from the token list and returns true if it's valid.

parseObject(tokens, depth)

Parses an object from the token list, returning true if it's valid.

parseArray(tokens, depth)

Parses an array from the token list, returning true if it's valid.

main(input)

The main validation function that checks if the input is a valid JSON. Returns 0 if valid and 1 if invalid.

processFile(filePath)

Reads the file at the given path and passes its content to main(input) for validation.

testDirectory(directoryPath)

Reads all files in the specified directory and checks them for valid JSON using processFile(filePath).

Constants

• MAX_DEPTH: Controls the maximum allowed nesting depth for objects and arrays.

Usage

The script will process all files in the test/ directory and print whether they are valid or invalid JSON.