Crafting interpreters

Crafting Interpreters is a hands-on guide to building programming languages from scratch. The book teaches readers how interpreters work by developing a complete scripting language called Lox. It covers key concepts such as lexical analysis, parsing, syntax trees, and execution, before progressing to advanced topics like bytecode, virtual machines, and garbage collection. Through two implementations—a tree-walk interpreter and a bytecode VM—it balances theory with practice. Designed to be accessible and engaging, the book helps programmers deepen their understanding of language design and become more effective software engineers.

PFCL^®Scan
Simply connect PFCLScan to your Oracle database and it will automatically discover the security issues that could make your Oracle database vulnerable to attack and to the potential loss of your data.

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PFCL^®Obfuscate
PFCLObfuscate is the only tool available that can automatically add license controls to your PL/SQL code. PFCLObfuscate protects your Intellectual Property invested in your PL/SQL database code.

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PFCL^®Code
PFCLCode is a tool to allow you to analyse your PL/SQL code for many different types of security issues. PFCLCode gives you a detailed review and reports and includes a powerful colour syntax highlighting code editor

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PFCL^®Forensics
PFCLForensics is the only tool available to allow you to do a detailed live response of a breached Oracle database and to then go on and do a detailed forensic analysis of the data gathered.

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PFCL^®ATK
PFCLATK is a toolkit that allows detailed pre-defined policy driven audit trails for your Oracle database. The toolkit also provides for a centralised audit trail and centralised activity reporting

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PFCL^®Cookie
PFCLCookie is a useful tool to use to audit your websites for tracking cookies. Scan websites in a natural way using powerful browser driven scanner

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PFCL^®SEO
We offer a number of web based services such as cookie audits, improving website ranking in search engines, locating broken links and hosting email and websites

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PFCL^®Training
PFCLTraining is a set of expert training classes for you, aimed at teaching how to audit your own Oracle database, design audit trails, secure code in PL/SQL and secure and lock down your Oracle database.

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PFCL^®Services
Choose PFCLServices to add PeteFinnigan.com Ltd to your team for your Oracle Security needs. We are experts in performing detailed security audits, data security design work and policy creation

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PFCL^®Consulting
Choose PFCLConsulting to ask PeteFinnigan.com Limited to set up and use our products on your behalf

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PFCL^®Custom
All of our software products can be customised at a number of levels. Choose this to see how our products can be part of your products and services

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PFCL^®Cloud
Private cloud, public cloud, hybrid cloud or no cloud. Learn how all of our services, trainings and products will work in the cloud

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PFCL^®UserRights
PFCLUserRights allows you to create a very detailed view of database users rights. The focus of the reports is to allow you to decide what privileges and accounts to keep and which to remove.

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PFCL^®STK
PFCLSTK is a toolkit application that allows you to provide database security easily to an existing database. PFCLSTK is a policy driven toolkit of PL/SQL that creates your security

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PFCL^®SFTK
PFCLSFTK is a toolkit that solves the problem of securing third party applications written in PL/SQL. It does this by creating a thin layer between the application and database and this traps SQL Injection attempts. This is a static firewall.

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PFCL^®Reselling
PeteFinnigan.com Limited has partnered with a small number of relevant companies to resell their products where they enhance or compliment what we do

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