A compiler is a computer program that transforms source code written in one programming language into another computer language.

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Clean Abstract Syntax Tree

I'm writing a toy compiler for fun. Basically, my problem is that I don't want to clutter the AST with stuff like debug information (symbol tokens, locations of tokens, etc) as well as data that the ...
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How does Chrome V8 work? And why was JavaScript not JIT-Compiled in the first place?

I have been researching Interpreters/Compilers, then I stumbled across JIT-Compilation - specifically Google Chrome's V8 Javascript Engine. My questions are - How can it be faster than standard ...
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I want to write a data processing & analysis programming language that compiles to SAS. How to go about choosing a language to write my compiler in?

As a side project I wrote a simple macro in SAS to add syntatic sugar to SAS code. I hate how verbose SAS is sometimes! So my macro looks like this %macro md(code); /* expects a superquoted ...
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Loop Unfolding and Named Significant Bits

I've been writing a Parser Compiler for the last seven or so years, and I recently got to the point (yet again, never satisfied) of structuring the portion dealing with the portions of the language ...
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Advantages of tiling based instruction selection algorithms with tiles representing more than one machine instruction?

In Modern Compiler Implementation in C of A. Appel some instruction selection algorithms are discussed based on tiling an intermediate representation tree. Each tile (or tree pattern) expresses a ...
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First and Follow Algorithm in Compiler Design

While I was studying Compilers,I saw an example in first and follow that illustrated how to 'find the first and follow' non-terminals in a grammer. But I couldn't get how FOLLOW(E')=FOLLOW(E)={ $ ,) ...
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Built-in Context-and-Input-to-Output-Hashing in Compilers

Why doesn't (open source) compilers contain builtin funtionality for (shared) caching and reuse-fetching (using SHA1-hash of compiler-version, build-flags, target-platform and inputs) of executable ...
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Why are datatypes different in terms of bit size based on complier, and OS used

I was reading a tutorial on C++ as I am new to programming, and I was wondering why the sizeof operator gives different output depending on what you're programming with.
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Java platform vs Source/Binary format settings in Netbeans

I've just wanted to get to know what these particular settings really do: Project Properties -> Libraries -> Java Platform Project Properties -> Sources -> Source/Binary Format After a little bit ...
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Single import in a large file vs. multiple imports in smaller files. [Golang]

I'm sure the folks at Google worked long and hard to ensure the programmer wouldn't have to worry about details like this, but I'm curious. In Go if I have multiple files in the same package, but ...
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Android runtime - does ART miss optimization opportunities over Dalvik?

Is ART a strict improvement over Dalvik, or there are optimizations that an ahead-of-time compiler will miss compared to JIT, but Google decide they don't matter in practice? For example, with JIT, ...
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Turn gfortran runtime errors into warnings

I'm attempting to debug some code which I'm writing as an extension to a much larger program. I'm pretty sure I'm corrupting memory somewhere, but for practical reasons (long run time), it's not ...
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Best way to handle language interoperability

Background In a language like F#, direct interoperability with most other .NET languages is possible. For example, it is possible to use classes written in C# directly in F#, and it is possible to ...
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Succinct Lazy Initialization Pattern

Background I often use the following lazy initialization pattern: public class Clazz { private Object object; private Object getObject() { Object object = this.object; if( object == ...
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Steps in converting a grammar to LL(1) Grammar

I have the following question: Convert the following grammar into an LL(1) grammar which recognises the same language (you may assume that the grammar is unambiguous). A -> int A -> int + A A ...