Dynamic Languages and Java/Domain-Specific Languages

From JVMLanguages

< Dynamic Languages and Java

Table of contents

1 Introduction

2 Designing the Language

3 Implementing the Language

3.1 Lexing and Parsing
3.2 Optimizations and Transformations
3.3 Executing the Language

3.3.1 Interpreting vs. Compiling
3.3.2 Interpreting
3.3.3 Compiling

4 Java Integration

4.1 Writing a BSF Engine
4.2 Writing a JSR-223 Engine

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Introduction

As we discussed in Chapter 2, domain-specific programming languages are often created with one specific purpose in mind. They tend to trade flexibility for clarity, and the syntax of the language usually integrations some pre-existing concepts, functions, or data structures (that a domain expert, though not necessarily a software engineer, would recognize).

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Designing the Language

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Implementing the Language

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Lexing and Parsing

JavaCC and ANTLR

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Optimizations and Transformations

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Executing the Language

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Interpreting vs. Compiling

Interpreters provide an additional layer between your program and the underlying hardware of the system. In many ways this is a benefit. In particular, it allows you to more easily save the state of the interpreter at any given time.

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