Scala also supports a general notion of pattern matching which can model the alge braic types used in many functional languages. This document is a tutorial introduction to chisel constructing hardware in a scala embedded language. We are also planning to add further operators that constrain bitwidth to the larger of the two inputs. Your contribution will go a long way in helping us. There is a formal specification of the scala language, but the lan. I have already done pdf generation from html in java and it worked fine. An explicit definition of the syntax and semantics of the language. Not sure if this is the place to put this issue, but issues were not activated on s. Free pdf download the scala language specification. This manual describes scala, a primitive static scoping, strong static typing, type inferred, functional programming language with. Thanks to brendan oconnor, this cheatsheet aims to be a quick reference of scala syntactic constructions.
Scala has a uniform object model, in the sense that everyaluev is an object and every operation is a method call section 3. X10 is a classbased objectoriented programming language designed for highperformance, highproductivity computing on highend computers supporting. If you prefer using a text editor like emacs, vim, atom, or sublime text, then the best way to compile, test, and run scala code is by using sbt, scalas build tool. Then you should get all the pdf files under the pdf folder and the same all the epub files under the epub folder. Int implements orderedmyclass all the variables and functions have types that are defined at compile time the compiler will find many unintended programming errors.
Not sure if this is the place to put this issue, but issues were not activated on i have tried to find. Scala reference manuals the scala programming language. An excellent stepbystep introduction to many of the scala features with the help of simple code examples. Scala is a javalike programming language which uni. Types and behavior of objects are described by classes. There are also several tutorials on scala ailableav 34, 18. Scala is a statically typed language support for generics. To contribute in this repo, please open a pull request from your fork of this repository we do have to ask you to sign the scala cla before we can merge any of your work, to protect its open source nature for more information on building and.
Scala also supports a general notion of pattern matching which can model the algebraic types used in many functional languages. A handy cheatsheet covering the basics of scala s syntax. A list of frequentlyasked questions about scala language features and their answers. Indepth documentation covering many of scalas features. If you need a comprehensive and easy to follow manual for the scala language, the book programming in scala is the canonical reference text. An indepth guide on how to write idiomatic scala code.
Scala smoothly integrates the features of objectoriented and functional languages. Nesting of function definitions and higherorder functions are naturally supported. Scala has uniform and powerful abstraction concepts. Learning a functional programming language scala is di cult for rtl designers with limited programming language experience. If you have any doubts concerning the behavior of a program written in scala, if you wish to explore all of the most obscure features, or are interested in the expected semantics of the available constructs, this document will address your. We have to use triple equals for equality and for inequality to allow the native scala equals operator to remain usable. Create a testing class in the srctestscala directory, in a file named helloworldspec.
It is aimed at the construction of components and component systems. Thats a fairly good question, because in my opinion, there could hardly be programming languages that are more different than go and scala. An overview of the scala programming language semantic scholar. This is the official repository for the scala programming language standard library, compiler, and language spec how to contribute. Scala is a javalike programming language which unifies objectoriented and functional programming. For reference types, is treated as an alias of the equals method from java. Pdf an overview of the scala programming language 2.
Dont get thrown for a loop, ibm developerworks class action, ibm developerworks functional programming for the object oriented, ibm developerworks scala reference manuals. Scala language hello world spec test scala tutorial. We are working on an updated spec, hopefully in markdown format so that contributions are made simpler. Scala language testing with scalatest scala tutorial. If you have any doubts concerning the behavior of a program written in scala, if you wish to explore all of the most obscure features, or are interested in the expected semantics of the available constructs, this document will address your questions. On january 29, 2007, adobe announced its intent to release the full portable document format pdf 1. Testing scala with sbt and scalatest on the command. Scala is a modern multiparadigm programming language designed to express common programming patterns in a concise, elegant, and typesafe way. It shares with these languages most of the basic operators, data ypes, and control structures. Even though i import all the jars as did in java there comes a problem with itext. The tests below uses these values for the examples. At some point we will provide a proper reference manual, in addition to more tutorial examples. Indepth documentation covering many of scala s features. This is the most technical and detailed manual concerning the inner working of the scala language.
This document describes the second version of the language, which was released in march 2006. Checkmarx is the first static analysis tool to support scala. Chisel program you are actually writing a scala program, chisel programs produce and manipulate a data structure in scala using a convenient textural language layered on top of scala, chisel makes it possible to create powerful and reusable hardware modules using modern programming language concepts, and. X10 is based on stateoftheart objectoriented programming languages and deviates from them only as necessary to support its design goals. Scala source code is intended to be compiled to java bytecode, so that the resulting executable code runs on a java virtual machine. Scala has been designed to interoperate seamlessly with java. Scala is also a functional language in the sense that functions are rstclass aluesv section 4. Designed to be concise, many of scalas design decisions aimed to address criticisms of java. Learning a new programming language can be a daunting task, but scala succinctly makes it a simple matter. A handy cheatsheet covering the basics of scalas syntax. While scala has no known unique vulnerabilities, since scala runs on jvm, jvm issues are also relevant to scala developers. Scala has been developed from 2001 in the programming methods laboratory at epfl.
Chisel is a hardware construction language embedded in the highlevel programming language scala. Getting started with scala and sbt on the command line. Scala is compiled to run on the java virtual machine. Confounding the previous point, conceptually separating the embedded chisel hdl from the host language is di cult for new users. Programming in scala preprint edition version 2 martin odersky is the creator of the scala language and a professor at epfl in lausanne, switzerland. Scala programs, i really appreciate that i dont have to decrypt cstyle type declarations. Scala has been created by martin odersky and he released the first version in 2003. It has exible modular mixincomposition constructs for composing classes and traits section 6. Scala has uniform and powerful abstraction concepts for both ypes and aluesv section 5. It has been used to develop several scalable concurrent applications in the recent years. Scala is a programming language that integrates the object oriented and functional language features. It is a pure objectoriented language in the sense that every value is an object. Scala fuses objectoriented and functional programming in a statically typed programming language.
Scala vs go could people help comparecontrast these on. The scala language specification this is the most technical and detailed manual concerning the inner working of the scala language. Introduction to scala programming language journaldev. The output of chisel verilog is unreadable and slow to simulate. Scala is a big language, but you can use it effectively without knowing all of its details intimately.
While syntax is commonly specified using a formal grammar, semantic definitions may be written in natural language e. Checkout the scala submodule to the version you want and run the convert. The pdf specification was first published at the same time the first acrobat prod. Not only is checkmarx able to scan scala source code for the vulnerabilities listed below, cxsast is also able to. A programming language specification can take several forms, including the following. It is neither a precise language reference nor a tutorial. Chisel designers manipulate circuit components using scala functions, encode their interfaces in scala types, and use scalas objectorientation features to write their own circuit libraries. Scala language spec test cheatsheet scala tutorial. In an educational context, i think students learning scala and also teachers designing scala courses, in addition to a searchable document, would also greatly benefit from a pdf with the language spec readable offline and printable from a paginated format. Language this document is intended to outline some basic scala stylistic guidelines which should be followed with more or less fervency. Scala, short for scalable language, is a hybrid functional programming language. Flatspec, matchers class helloworldspec extends flatspec with matchers hello world should not be an empty string in val helloworld hello world helloworld should not be. The inorder rocket core has been successfully demonstrated to reach over 1. Author chris rose guides readers through the basics of scala, from installation to syntax shorthand, so that they can get up and running quickly.