Type checking, Abstract Syntax Trees, and Semantic Rules. 4. Intermediate Code Generation (ICG)
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As the reader progresses through the chapters, the book covers intermediate code generation, where the source program is translated into a machine-independent intermediate representation. Puntambekar explains different forms of intermediate code, such as three-address code, quadruples, and triples. The subsequent chapters focus on code optimization and code generation, discussing techniques to improve the efficiency of the target code and the challenges involved in mapping intermediate code to a specific machine architecture. Type checking, Abstract Syntax Trees, and Semantic Rules
The textbook is structured to guide readers through the sequential phases of compiler construction: As the reader progresses through the chapters, the
Building on the stream of tokens from the lexical analyzer, this unit focuses on parsing or syntax analysis. It introduces Context-Free Grammars (CFG) as a formal way to define a programming language's syntax. The unit explains and contrasts two major parsing strategies:
Three-Address Code, Postfix notation, and Syntax-Directed Translation (SDT). 5. Code Optimization
The final phase maps the optimized intermediate representation into the target machine language (usually assembly or machine code).