How do programming language semantics intertwine with syntax? This paper delves into the intricate relationship between these two fundamental components, specifically within the context of ALGOL. It questions whether the language's grammar, traditionally viewed as a mere string-generating device, adequately serves as a method for expressing meaning. The author scrutinizes ALGOL's grammar, suggesting potential areas for improvement to enhance its ability to convey semantic meaning effectively. This exploration contributes to ongoing discussions in computer science about the design and interpretation of programming languages. The study of programming languages such as ALGOL has implications for language design and compiler construction. This concise analysis prompts reflection on the principles of language design, encouraging developers to consider the semantic implications of syntactic choices. This focus on a clear grammar facilitates better human-computer interaction. By advocating for a more semantically aware approach to grammar, this paper strives for more intuitive and expressive programming environments.
Published in Communications of the ACM, a leading journal in computer science, this paper contributes to the ongoing discourse on programming language design. Given the journal's focus on computer hardware and software, this work is of great significance to the journal's scope. By discussing the syntax and semantics of ALGOL, this paper aligns with the journal's aim to advance computer science knowledge.