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If generating arbitrary C code and shoving it through arbitrary C compilers works reliably for you, then thatвЂ™s cool? вЂњHello worldвЂќ should reliably work everywhere, so thatвЂ™s somethingвЂ¦ I guess.Д«ut thatвЂ™s just likeвЂ¦ my opinion. The less trivial the C code, the more likely you are to run into compatibility problems between compilers.

HELLO WORLD IN PUREBASIC SOFTWARE

Complex software tends to have bugs somewhere, and a lot of compilers are complex. Rust has run into (and submitted fixes for) so many LLVM bugs over the years that caused silent miscompilation. ThatвЂ™s before even discussing compiler bugs, which will unintentionally break all assumptions of well-behaved code.

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C can quickly go from вЂњinfinitely portable assembler for my cool new languageвЂќ to вЂњmajor source of confusion.вЂќ Did you know that an infinite loop that doesnвЂ™t do anything might be ignored? This materially changes the behavior of the input program in ways that most people wouldnвЂ™t expect. LetвЂ™s say you are generating C code from your own programming language. And no, it is not trivial to write UB-free C code. Fully вЂњstandards-compliantвЂќ code that works on one compiler may behave in unexpected ways under another compiler, just due to differences in UB handling. The C standard leaves a lot of UB/implementation specific behavior. I wish C were that simple and well defined. : discussed in the first paragraph here: I've never used Lazarus or FPC beyond just opening it up and playing with it in years past, but it is interesting how much that ecosystem seems to offer. (C code also isn't perfectly portable by any stretch of the imagination, so just having some random C compiler for your platform of choice and some emitted C code doesn't really guarantee that you'll end up with a compatible, working solution.) Even relatively new and/or niche architectures like RISC-V and Xtensa appear to be supported by FPC. I'm skeptical that targeting C opens up any meaningful additional platform support beyond what FPC natively supports. LLVM really means nothing for FPC's portability story at this point, as far as I can tell.

The last line is another Del which ends the function definition.The list of supported platforms for FPC is pretty impressive, whereas LLVM support in FPC appears to be very new, and FPC has very limited platform support using LLVM anyways.

The line labeled 1 assigns the text vector 'Hello, world!!' to the variable R.

It is a niladic function (no parameters, as opposed to monadic or dyadic) and it will return an explicit result which allows other functions or APL primitives to use the returned value as input.

The Del on the first line begins function definition for the program named HWО”PGM.

It should be noted that the 4DOS/4NT batch language is a superset of the MS-DOS batch language.

253.2 Lingo (Macromedia Director scripting language).

250.21 Microsoft Foundation Classes (in C++).

250.16 IOC/OCL (in IBM VisualAge for C++).

250.6 Cocoa or GNUStep (In Objective C).

241 VRML (Virtual Reality Modeling Language).

189 REXX, ARexx, NetRexx, and Object REXX.

188.3 Printed on the main window interface.

110 JCL (mainframe Job Control Language).

99 HyperTalk (Apple HyperCard's scripting programming language).

59 DC, an arbitrary precision calculator.

18 Avenue (scripting language for ArcView GIS).

HELLO WORLD IN PUREBASIC MAC OS

15.24 RISC processor: PowerPC, Mac OS X, GAS.

15.23 RISC processor: MIPS architecture.15.22 RISC processor: ARM, RISC OS, BBC BASIC's in-line assembler.

HELLO WORLD IN PUREBASIC SERIES

15.21 Mainframe: IBM z/Architecture series using BAL.15.20 CISC on advanced multiprocessing OS: DEC VAX, VMS, MACRO-32.15.16.2 Variant for Elektronika BK using BIOS function, MICRO-11.

15.16 General-purpose-register CISC: DEC PDP-11.

15.15 General-purpose fictional computer: MMIX, MMIXAL.

15.14 General-purpose fictional computer: MIX, MIXAL.

15.13 Expanded accumulator machine: Intel x86, Linux, GLibC, NASM.

15.12 Expanded accumulator machine: Intel x86, Linux, NASM.

15.11 Expanded accumulator machine: Intel x86, Linux, GAS.

15.10 Expanded accumulator machine: Intel x86, Linux, FASM.

15.9 Expanded accumulator machine: Intel x86, Microsoft Windows, FASM.

15.6 Expanded accumulator machine: Intel x86, DOS, TASM.

15.5 Accumulator/Index microcoded machine: Data General Nova, RDOS.

15.4 Accumulator + index register machine: MOS Technology 6502, CBM KERNEL, MOS assembler syntax.

15.3 Popular home computer: ZX Spectrum, Zilog Z80, HiSoft GENS assembler.

15.2 First successful uP/OS combinations: Intel 8080/Zilog Z80, CP/M, RMAC assembler.

15.1 Accumulator-only architecture: DEC PDP-8, PAL-III assembler.

Hello world in purebasic