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Flex (fast lexical analyzer generator) is a free and open-source software alternative to lex. [2] It is a computer program that generates lexical analyzers (also known as "scanners" or "lexers").
Lexical tokenization is the conversion of a raw text into (semantically or syntactically) meaningful lexical tokens, belonging to categories defined by a "lexer" program, such as identifiers, operators, grouping symbols, and data types. The resulting tokens are then passed on to some other form of processing.
This is a list of free and open-source software (FOSS) packages, computer software licensed under free software licenses and open-source licenses.Software that fits the Free Software Definition may be more appropriately called free software; the GNU project in particular objects to their works being referred to as open-source. [1]
Ragel is a finite-state machine compiler and a parser generator.Initially Ragel supported output for C, C++ and Assembly source code, [4] later expanded to support several other languages including Objective-C, D, Go, Ruby, and Java. [5]
Lexical analysis and parsing tools called ocamllex and ocamlyacc; Debugger that supports stepping backwards to investigate errors; Documentation generator; Profiler – to measure performance; Many general-purpose libraries; The native code compiler is available for many platforms, including Unix, Microsoft Windows, and Apple macOS.
Versions 1.0 through 4.0 were sold exclusively by Oxford University Press, the current version 8.0 and previous versions are now also distributed by Lexical Analysis Software Limited. The software runs under Windows. WordSmith is a download-only product which is registered by entering a code costing 50 pounds sterling for a single user license.
Traditionally .NET compilers have been a black box for application developers. [17] With increasing complexity and demands for source code analysis in modern integrated development environments, however, compilers need to expose application programming interfaces (APIs) that will help developers to directly perform phases of compilation such as lexical and syntactic structure analysis of ...
Jimple is an intermediate representation of a Java program designed to be easier to optimize than Java bytecode. It is typed, has a concrete syntax and is based on three-address code. Jimple includes only 15 different operations, thus simplifying flow analysis. By contrast, java bytecode includes over 200 different operations. [5] [6]