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Rafael Souza
What is ANTLR?
ANother Tool for Language Recognition
What is ANTLR?
A powerful parser generator you can use to implement language interpreters, compilers, and
other translators.
Language Applications
Recognize inputs and respond them some way
Recognition
Identify and Classify the
Input.
Two Phases:1. Lexical analisys
2. Parsing
The Big Picture
The Big Picture
Relationship between characters, tokens, and ASTs
Grammar
Formal language description
[EBNF]
Parse Tree Walker
Listeners
Rafael Souza
@rafael_psouza
rafaelpsouza
rafaelpsouza
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