Write Your Own Compiler in 24 Hours
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This talk discusses abstract syntax trees, parsing, domain specific languages, interpreters, and code generation. It provides examples of turtle and Small Basic languages and their corresponding abstract syntax trees. It also discusses different approaches to language design and lists resources for learning more about functional programming languages like F# through books, websites, and Koans exercises.
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This document summarizes Phillip Trelford's 2014 talk at NDCLondon about creating domain specific languages and compilers. It discusses abstract syntax trees, parsing, interpreters, and code generation. It provides examples of turtle and Small Basic languages and their abstract syntax trees. It also mentions that the speaker created a basic C# compiler in 24 days to demonstrate that compilers can be written quickly without extensive experience. The document encourages attendees to learn from online resources like F# Koans and TryFSharp.org, and recommends buying related books.
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The document provides an overview of the Ruby programming language for Perl programmers. Some key points:
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This document provides an overview of the Ruby programming language for Perl programmers. Ruby is a dynamic, reflective, object-oriented scripting language that is similar to Perl in many ways but also differs in its stronger object-oriented focus. The document discusses Ruby's syntax, core classes, object model, modules, blocks and iterators, and other features.
name name2 n
The document provides an overview of the Ruby programming language for Perl programmers. Some key points:
- Ruby is an object-oriented scripting language that is interpreted, not compiled. It borrows concepts from Perl, Smalltalk, Lisp, and C but has a stronger object orientation than Perl.
- Ruby places an emphasis on flexibility, dynamism, and a "human-oriented" design with principles like "least surprise." It aims to provide multiple ways to accomplish tasks.
- The document discusses Ruby's syntax, basic programming concepts like classes and modules, and core library classes like Array, IO, and String. It also notes Ruby's support for paradigms like functional programming.
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This document provides an overview of the Ruby programming language for Perl programmers. Ruby is an interpreted, object-oriented scripting language that is very similar to Perl in many ways, such as its syntax for regular expressions and control structures like loops and conditionals. However, Ruby differs from Perl in that it was designed from the start to be object-oriented and highly dynamic. The document discusses Ruby's core concepts like classes, modules, blocks and iterators in detail and provides many code examples to illustrate Ruby's syntax and features.
name name2 n2.ppt
This document provides an overview of the Ruby programming language for Perl programmers. Ruby is an interpreted, object-oriented scripting language that is very similar to Perl but also introduces significant differences. Both languages are suitable for tasks like text processing and system administration scripts. Ruby places a stronger emphasis on object-oriented principles and is more dynamic than Perl.
Ruby for Perl Programmers
The document provides an overview of the Ruby programming language for Perl programmers. Some key points:
- Ruby is an object-oriented scripting language that is interpreted, not compiled. It draws influences from Perl, Smalltalk, Lisp, and C.
- Ruby supports functional, aspect-oriented, and design-by-contract programming paradigms. It is well-suited for practices like extreme programming.
- Core concepts include classes, modules, blocks/iterators, exceptions, regular expressions and strings. Common data structures include arrays, hashes, ranges and more.
- Examples demonstrate basic syntax like variables, loops, conditions, classes and modules. Ruby emphasizes flexibility, dynamism and "
ppt18
The document provides an overview of the Ruby programming language for Perl programmers. Some key points:
- Ruby is an object-oriented scripting language that is interpreted, not compiled. It draws influences from Perl, Smalltalk, Lisp, and C.
- Ruby supports functional, aspect-oriented, and design-by-contract programming paradigms. It is well-suited for practices like extreme programming.
- Core concepts include classes, modules, blocks/iterators, exceptions, regular expressions and strings. Common data structures include arrays, hashes, ranges and more.
- Examples demonstrate basic syntax like variables, loops, conditions, classes and modules. Ruby emphasizes flexibility, dynamism and "
name name2 n2
The document provides an overview of the Ruby programming language for Perl programmers. Some key points:
- Ruby is an object-oriented scripting language that is interpreted, not compiled. It draws influences from Perl, Smalltalk, Lisp, and C.
- Ruby supports features like classes, modules, blocks/iterators, exceptions, regular expressions and threads. Everything in Ruby is an object.
- Compared to Perl, Ruby is more object-oriented, dynamic, and has built-in support for threads. Syntax also differs in some key ways.
- The document provides examples of basic Ruby syntax like variables, loops, conditions, classes and modules to illustrate how the language works.
test ppt
This document provides an overview of the Ruby programming language for Perl programmers. Ruby is an interpreted, object-oriented scripting language that is very similar to Perl in many ways, such as its syntax for regular expressions and special variables, but differs in its stronger emphasis on object-oriented principles and more dynamic features. The document discusses Ruby's history and influences, basic syntax, core classes and modules, functional programming capabilities, and ease of extension.
name name2 n
This document provides an overview of the Ruby programming language for Perl programmers. Ruby is an interpreted, object-oriented scripting language that is very similar to Perl in many ways, such as its syntax for regular expressions and special variables, but differs in its stronger emphasis on object-oriented principles and more dynamic features. The document discusses Ruby's history and influences, basic syntax, core programming concepts like classes and modules, and ways that Ruby code can be easily extended.
ppt21
The document provides an overview of the Ruby programming language for Perl programmers. Some key points:
- Ruby is an object-oriented scripting language that is interpreted, not compiled. It draws influences from Perl, Smalltalk, Lisp, and C.
- Ruby supports features like classes, modules, blocks/iterators, exceptions, regular expressions and threads. Everything in Ruby is an object.
- Compared to Perl, Ruby is more object-oriented, dynamic, and has built-in support for threads. Syntax also differs in some areas like conditionals.
- The document provides examples of common Ruby constructs like classes, modules, loops, conditions and built-in core classes like Array, IO
name name2 n
The document provides an overview of the Ruby programming language for Perl programmers. Some key points:
- Ruby is an object-oriented scripting language that is interpreted, not compiled. It draws influences from Perl, Smalltalk, Lisp, and C.
- Ruby supports functional, aspect-oriented, and design-by-contract programming paradigms. It is well-suited for practices like extreme programming.
- Core concepts include classes, modules, blocks/iterators, exceptions, regular expressions and strings. Common data structures include arrays, hashes, ranges and more.
- Examples demonstrate basic syntax like variables, loops, conditions, classes and modules. Ruby emphasizes flexibility, dynamism and "
ppt17
This document provides an overview of the Ruby programming language for Perl programmers. Ruby is a dynamic, reflective, object-oriented scripting language that is interpreted, not compiled. It draws influences from Perl, Smalltalk, Lisp, and other languages. Some key points covered include Ruby's object-oriented design, syntax similarities and differences compared to Perl, core classes and features like blocks/iterators, modules and mixins, exceptions, and Ruby's open and flexible nature.
ppt30
The document provides an overview of the Ruby programming language for Perl programmers. Some key points:
- Ruby is an object-oriented scripting language that is interpreted, not compiled. It draws influences from Perl, Smalltalk, Lisp, and C.
- Ruby supports functional, aspect-oriented, and design-by-contract programming paradigms. It is well-suited for practices like extreme programming.
- Core concepts include classes, modules, blocks/iterators, exceptions, regular expressions and strings. Common data structures include arrays, hashes, ranges and more.
- Examples demonstrate basic syntax like variables, loops, conditions, classes and modules. Ruby emphasizes flexibility, dynamism and "
PigHive.pptx
Apache Pig is a platform for analyzing large datasets that sits on top of Hadoop. It allows users to write scripts in Pig Latin to transform and analyze their data without needing to write Java code. Pig Latin scripts are compiled into sequences of MapReduce jobs that process the data in parallel across large clusters. Pig is useful for data summarization, querying, reporting, and analysis of large datasets.
PigHive presentation and hive impor.pptx
Pig is a platform for analyzing large datasets that sits on top of Hadoop. It allows users to write scripts in Pig Latin, a language similar to SQL, to transform and analyze their data without needing to write Java code. Pig scripts are compiled into sequences of MapReduce jobs that process data in parallel across a Hadoop cluster. Key features of Pig include data filtering, joining, grouping, and the ability to extend it with custom user-defined functions.
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F# is a statically typed, functional-first programming language that is also object-oriented and supports cross-platform development. It draws influences from OCaml, Python, Haskell, and C#. The document discusses the F# community, software foundation, and testimonials about productivity and performance gains from companies using F#. It also previews live demos of common functional concepts in F# like recursion, pattern matching, computation expressions, type providers, and building apps and games.
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This document outlines how to be a rock star developer by drawing analogies to rock stars and musicians. It discusses rocking interviews by making cool demos and solving FizzBuzz in multiple programming languages. To rock the job, the document suggests crafting your own tools like frameworks and databases, and putting skills together through projects like a programming language and data journalism platform called The Gamma. The overall message is that developers can achieve rock star status by learning instruments like guitar, and developing skills as deeply as musicians do.
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The document discusses the F# functional programming language and community. It provides information about F# meetups in London that meet every 2-4 weeks to discuss topics like machine learning, finance, and games. It also summarizes that F# is a statically typed, functional-first language that can be used with .NET and is influenced by languages like OCaml, Python, and C#. Code examples are provided to demonstrate F# features like pattern matching and type providers.
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"In this session we'll explore modern cross platform game development, focusing on simple game design concepts for maximizing fun and classic games programming techniques for maximizing frame rates. We'll use Xamarin Studio to target iOS and Android off the same code base and the power of F# to allows us to put together a game in less than 4 hours."
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This document summarizes information about the F# programming language presented by Phil Trelford at NDC Oslo 2015. It describes F# as a statically typed, functional-first language in the .NET framework that is shorter, easier to read, refactor and has fewer bugs than C#. It provides examples of common programming tasks like classes, tests, and JSON parsing that are more concise and clear in F# compared to C#. It also lists several organizations that saw major productivity gains from adopting F#.
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This document provides information about the F# programming language and F# community. It describes F# as a statically typed, functional-first, open source .NET language. It highlights benefits of F# such as increased productivity, efficiency, and correctness compared to other languages. It provides examples of code in both F# and other languages like C#. It also lists various resources for learning F# including user groups, books, tutorials, and the F# Software Foundation.
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This document summarizes a presentation about using F# for real-world applications. It provides examples showing that F# code can be more concise and require less code than equivalent C# solutions. It also demonstrates integrating F# into C# projects and leveraging F# features like units of measure and higher-order functions in both languages. Live coding examples are provided for functional patterns in both F# and C#. Resources for learning more about the F# language and community are also listed.
F# for C# devs - SDD 2015
The document summarizes an F# conference presentation by Phil Trelford on the benefits of using the F# programming language. It provides information on the F# London Meetup group, describes F# as a statically typed, functional-first, open source .NET language, and gives examples of how tasks are simplified in F# compared to C#. It also shares testimonials from companies that increased productivity after adopting F#.
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This document discusses using the F# programming language for financial trading applications. It provides examples of how F# can be used to model financial domains like orders, time in force, and currency conversions. It also discusses benefits of F# for financial applications like increased productivity, efficiency, correctness, and managing complexity. Finally it shows examples of F# used in trading screens and with type providers to interface with data.
All your types are belong to us!
This document contains summaries of several presentations and demos about the F# programming language. It discusses F# user groups and testimonials from various domains like machine learning and biotech. It also summarizes case studies on using F# for games and online advertising. Live demos are shown for type providers, machine learning algorithms, and accessing data from various sources. Resources mentioned include type providers, tutorials, books, and job trends in machine learning.
F# Eye for the C# guy - Øredev 2013
This document discusses F# and compares it to C#. It notes that F# is statically typed, functional first, and object oriented. It is an open source .NET language that can be used in Visual Studio and Xamarin Studio. The document discusses how F# code is shorter, easier to read, easier to refactor, and contains fewer bugs than equivalent C# code. It provides examples comparing F# and C# code for defining classes, unit tests, mocks, and using JSON.
F# Eye for the C# Guy - DDD North 2013
This document discusses F# and how it compares to C#. It provides examples of how common programming tasks like defining classes, dependency injection, unit testing, mocking, and debugging are simpler in F#. F# is statically typed, functional-first, object-oriented, open source, and runs on .NET. Examples show how F# code for these tasks is shorter, easier to read, easier to refactor, and contains fewer bugs than equivalent C# code. The document promotes resources for learning more about F# and provides contact information.
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Write Your Own Compiler in 24 Hours
- 1. 24 HOURS LATER Phillip Trelford, @ptrelford #DDDNorth, Leeds, 2014
- 2. THIS TALK IS *NOT* About how to write a compiler the hard way All theory For the faint of heart
- 3. THIS TALK *IS* ABOUT Abstract Syntax Trees Parsing Domain Specific Languages Interpreters Code Generation
- 4. LANGUAGE FAMILIES Lisp C ML BASIC
- 5. LANGUAGE DESIGN (CONSIDERED OPTIONAL) Adhoc •PHP •JavaScript •Scala Copy&Delete •Java •J •Go Copy&Add •C# •F# •Haskell
- 6. TO THE TURTLES CODE Phillip Trelford, @ptrelford #DDDNorth, Leeds, 2014
- 7. TURTLE LANGUAGE repeat 10 [right 36 repeat 5 [forward 54 right 72]]
- 8. TURTLE AST module AST type arg = int type command = | Forward of arg | Turn of arg | Repeat of arg * command list
- 9. TWO GIRLS (5 & 7YRS) + TURTLE
- 10. SMALL BASIC SAMPLE Sub Init gw = 598 gh = 428 GraphicsWindow.BackgroundColor = "DodgerBlue" GraphicsWindow.Width = gw GraphicsWindow.Height = gh color = "1=Orange;2=Cyan;3=Lime;" size = "1=20;2=16;3=12;" passed = 0 cd = "False" ' collision detected EndSub
- 11. SMALL BASIC AST /// Small Basic expression type expr = | Literal of value | Identifier of identifier | GetAt of location | Func of invoke | Neg of expr | Arithmetic of expr * arithmetic * expr | Comparison of expr * comparison * expr | Logical of expr * logical * expr /// Small Basic instruction type instruction = | Assign of assign | SetAt of location * expr | PropertySet of string * string * expr | Action of invoke | For of assign * expr * expr | EndFor | If of expr | ElseIf of expr | Else | EndIf | While of expr | EndWhile | Sub of identifier * string list | EndSub | Label of label | Goto of label
- 12. RESOURCES
- 13. F# KOANS [<Koan>] let SquareEvenNumbersWithPipelineOperator() = (* In F#, you can use the pipeline operator to get the benefit of the parens style with the readability of the statement style. *) let result = [0..5] |> List.filter isEven |> List.map square AssertEquality result __
- 14. TRYFSHARP.ORG
- 15. F# BOOKS
- 16. QUESTIONS Twitter: @ptrelford Blog: http://trelford.com/blog Turtle: http://fssnip.net/nN
Editor's Notes
- http://blogs.msdn.com/b/smallbasic/archive/2014/08/11/small-basic-game-programming-vertical-scrolling-game.aspx
- http://blogs.msdn.com/b/smallbasic/archive/2014/08/11/small-basic-game-programming-vertical-scrolling-game.aspx