Recent questions tagged Compiler

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compiler construction - Left recursion elimination

I'm attempting to eliminate left recursion from a CFG by eliminating indirect recursion then direct recursion as ... This a better direction? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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498 views

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compiler construction - What is the precise definition of a lookahead set?

I'm toying around with writing compilers and learning about the theory behind syntax analysis. I've found that ... to fix this problem. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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598 views

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compiler construction - How can I compile my Perl script so to reduce startup time?

Is there a way to save a compiled version of my perl scripts? Or a way to do a JavaScript style ... just remove comments, whitespace, etc? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler errors - Xcode 8.1 swift 3 take forever to compile this code

I have this class in a project which previously use swift 2.3. When i migrated the project to swift 3, xcode took ... , "furl": furl ] } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler construction - Is there a limit to the number of arguments passed to a fortran function?

I came across some Fortran 90 code where 68 arguments are passed to a function. Upon searching the web I ... Intel/Visual/GNU fortran compilers? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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591 views

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compiler construction - More efficient way to output an integer in pure assembly

I'm looking to output an integer using pure assembly. I'm using nasm on a 64-bit linux machine. At the ... any 64-bit pusha instruction... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler error with C++ std::vector of array

the following code doesn't compile with gcc 4.7.0 (using std=c++11 -O3) int n; std::vector< int[4] > A ... how to solve the problem with C++98? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler construction - How do I turn specific Delphi warnings and hints off?

In CodeGear Delphi 2007, how can I turn specific warnings and hints off? I am attempting to turn off H2077 - ... to 'varname' never used. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler errors - How to stop Python program compiled in py2exe from displaying ImportError: No Module names 'ctypes'

I was wondering if this might be a compilation error or if there is something I can do to stop it from displaying ... (files, zipf) zipf.close() See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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567 views

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compiler construction - mysql-python on mac os 10.9.1

I can't seem to be able to install mysql-python on 10.9.1. I suspect it has something to do with latest ... this? Same error with pip as well. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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588 views

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compiler errors - Undefined reference to 'main' when compiling a module

I am learning Fortran, and I'm stuck trying to compile a module for later use. In the main program I have ... so any help would be appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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638 views

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compiler construction - How can I compile my Perl script so to reduce startup time?

Is there a way to save a compiled version of my perl scripts? Or a way to do a JavaScript style ... just remove comments, whitespace, etc? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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660 views

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compiler construction - Removing left recursion

The following grammar has left recursion E= E+T|T T= T*F|F F= a|b|c How to remove it? Is there any general procedure for it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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589 views

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compiler construction - Why python compile the source to bytecode before interpreting?

Why python compile the source to bytecode before interpreting? Why not interpret from the source directly? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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553 views

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compiler construction - How to compile Java program with .jar library

I can't make javac recognize an external .jar file, whose classes I'm trying to extend. I have two files ... .java does not work, either. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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595 views

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compiler construction - Getting GCC to compile without inserting call to memcpy

I'm currently using GCC 4.5.3, compiled for PowerPC 440, and am compiling some code that doesn't require libc ... for any help you can provide. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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517 views

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compiler construction - Parsing Context Sensitive Language

i am reading the Definitive ANTLR reference by Terence Parr, where he says: Semantic predicates are a ... with context-sensitive grammars? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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578 views

1 answer

compiler errors - How to do arithmetic between int and float in Swift?

This is my first day in Swift programming and till now we are using Objective C. I tried to write ... any mistake understanding Swift language. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

568 views

1 answer

compiler construction - Getting GCC to compile without inserting call to memcpy

I'm currently using GCC 4.5.3, compiled for PowerPC 440, and am compiling some code that doesn't require libc ... for any help you can provide. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

449 views

1 answer

compiler construction - Parsing Context Sensitive Language

i am reading the Definitive ANTLR reference by Terence Parr, where he says: Semantic predicates are a ... with context-sensitive grammars? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

603 views

1 answer

compiler errors - How to do arithmetic between int and float in Swift?

This is my first day in Swift programming and till now we are using Objective C. I tried to write ... any mistake understanding Swift language. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

569 views

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compiler construction - Options for dynamic compilation in Java 5

Are there any options other than Janino for on-the-fly compiliation and execution of Java code in v5? I know v6 ... it and load it into memory. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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531 views

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compiler construction - Calling mono c# code from Microsoft .net?

I have some neural net code written in c# that would benefit from using SIMD support. Mono 2.2 just came out ... would throw a bounty at it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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compiler errors - Xcode "Cannot parse contents of Info.plist"

I just hit a brick wall with xCode not wanting to parse my Info.plist file. I've replaced the file several ... using xCode 5.0.1, Mavericks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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635 views

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compiler construction - Convert integers to roman numerals using a syntax-directed translation scheme?

The Dragon Book includes an exercise on converting integers to roman numerals using a syntax-directed translation scheme ... this be completed? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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686 views

1 answer

compiler optimization - How to compile and run an optimized Rust program with overflow checking enabled

I'm writing a program that's quite compute heavy, and it's annoyingly slow to run in debug mode. My ... runtime overflow checks enabled as well? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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606 views

1 answer

compiler construction - How to tell C++ library path in Cygwin and MinGW

I develop C++ programs using a Cygwin installation on top of Windows XP. I also have MinGW installed, ... etc/profile file within Cygwin. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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643 views

1 answer

compiler construction - How to tell C++ library path in Cygwin and MinGW

I develop C++ programs using a Cygwin installation on top of Windows XP. I also have MinGW installed, ... etc/profile file within Cygwin. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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