Lua, the lightweight programming language, exists today as a fundamental building block in software engineering due to the contributions of computer scientist Roberto Ierusalimschy. Born in 1960 in Rio de Janeiro, he developed this tool as part of his ongoing research in computer science, eventually establishing it as a primary focus of his academic career within Brazil.
Academic Foundation and Career
Ierusalimschy completed his formal education at the Pontifical Catholic University of Rio de Janeiro. He subsequently expanded his research horizon through a post-doctoral position at the University of Waterloo in 1992. His professional life remains tied to the Pontifical Catholic University of Rio de Janeiro, where he serves as a full professor of informatics. Beyond his permanent faculty role, he has engaged with global academic institutions, including a tenure as a visiting professor at Stanford University in 2012.
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As the leading architect of Lua, Ierusalimschy designed the language to be efficient and embeddable. His technical output also includes LPeg, a library specifically designed to implement parsing expression grammars. These tools demonstrate his focus on language design and pattern-matching capabilities. He documented these technical principles in his book, Programming in Lua, which serves as a primary reference for the language.
Educational Initiatives
In 2021, Ierusalimschy launched a project-based program titled Building a Programming Language. This initiative provides a structured environment for students to construct their own programming languages from scratch. This work reflects his long-standing commitment to teaching and his status as a docent and non-fiction writer in the field of informatics.
Fast facts
- Born: 1960, Rio de Janeiro
- Nationality: Brazil
- Field: Computer science
- Notable work: Lua
- Notable work: LPeg
- Employer: Pontifical Catholic University of Rio de Janeiro
- Languages: English, Brazilian Portuguese
Questions readers ask
What is the primary significance of Roberto Ierusalimschy's work?
He is recognized for creating the Lua programming language and the LPeg library for parsing expression grammars.
Where does Roberto Ierusalimschy conduct his academic research?
He holds an appointment as a full professor of informatics at the Pontifical Catholic University of Rio de Janeiro.
Achievements
- Notable work: A parsing machine for PEGs
- Notable work: Lua
- Notable work: A text pattern-matching tool based on Parsing Expression Grammars
- Notable work: Revisiting coroutines
- Affiliated with Pontifical Catholic University of Rio de Janeiro
- Educated at Pontifical Catholic University of Rio de Janeiro and University of Waterloo
- Worked as docent, computer scientist and visiting professor
