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flat assembler > Programming Language Design > My programming language

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Joined: 08 Dec 2006
Posts: 67
I wrote lexer/parser for the new language. The idea is to create a high level language with assembly-like philosophy (pointers and goto, not variables and "structural programming"). My approach is exactly opposite to HLA.
In his "A Case against the GO TO Statement" Edsger W.Dijkstra wrote: "our intellectual powers are rather geared to master static relations and that our powers to visualize processes evolving in time are relatively poorly developed." I'd say, people of that kind don't like Assembler, but there are others, who think differently and love asm.
Anyways, I'm trying to find the best solution for the code generation (in FASM). Your suggestions would be appreciated.
I'm thinking about parser/lexer creating not the tree of data structures, but program code, which then get compiled into code generator specific to the source program (much simpler and may be even faster). Have you heard anybody did it like that?
Post 13 Nov 2018, 16:31
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Joined: 24 Jan 2007
Posts: 87
Location: Argentina
I recommend that you read
it's another approach to goto conversion in a goto-free language, the spaghetti code is famous in basic !!
Post 16 Nov 2018, 18:52
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Joined: 09 Aug 2005
Posts: 2335
Location: Usono (aka, USA)
What exactly do you mean with "structural" programming?

Even Fortran-77 was supposedly "structured" (but no dynamic malloc / heap). Normally that means less reliance (or totally avoiding) global GOTO (which classic Pascal reluctantly supported but Modula-2 and Oberon omitted).

Do you mean dynamic memory allocation of structured types (aka, arrays or records)?
Or just using non-ordinal types, thus arrays or structs/records on the global or local (stack) level?
Or do you mean structured flow control like while, for, repeat ... until, loop, etc?

Dijkstra was an ALGOL expert and eschewed classic BASIC (back before others like MS QBASIC added all the structured stuff in). Similarly, Pascal was a heavy proponent of structured programming, and Wirth was even the editor of that GOTO article. It's not that you can't use GOTO but rather that it's often overused and messy.

Maybe you want to look at BCPL first?

EDIT: Look at Wirth's free Compiler Construction book (2013-ish).
Post 05 Apr 2019, 21:15
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