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A symbol table is a data structure used by a compiler or interpreter to store information about identifiers, constants, procedures and functions in a program's source code. Learn about its background, description, implementation, applications and examples.
A compiler is a program that translates source code from a high-level language to a low-level language or executable code. Learn about the different types of compilers, their phases, and the history of compiler development from the first languages to modern compilers.
Machine code is the lowest-level programming language that controls a CPU. It consists of binary instructions that perform specific tasks, such as load, store, jump, or arithmetic operations. Learn more about machine code, its instruction set, and its relation to assembly language and higher-level languages.
An abstract syntax tree (AST) is a data structure that represents the structure of a program or code snippet. Learn how ASTs are used in compilers, program analysis, and other applications, and see examples and references.
In compiler design, static single assignment form (often abbreviated as SSA form or simply SSA) is a type of intermediate representation (IR) where each variable is assigned exactly once. SSA is used in most high-quality optimizing compilers for imperative languages, including LLVM , the GNU Compiler Collection , and many commercial compilers.
Intermediate representation (IR) is the data structure or code used internally by a compiler or virtual machine to represent source code. An IR may take one of several forms, such as an in-memory data structure, a graph structure, or a special code language.
A classic textbook on compiler construction for programming languages, also known as the Dragon Book for its cover image of a knight and a dragon. Learn about compiler structure, analysis, translation, optimization, and more from the authors and the updated edition.
Learn about operator-precedence parsers, which are bottom-up parsers that use order of operations to convert infix notation to RPN. See examples of shunting yard algorithm, precedence climbing method, and Pratt parsing.