Re: What is the meaning of an expression?

Hans-Peter Diettrich <DrDiettrich1@netscape.net>
Sat, 15 Jan 2022 00:28:03 +0100

          From comp.compilers

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[7 later articles]
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From: Hans-Peter Diettrich <DrDiettrich1@netscape.net>
Newsgroups: comp.compilers
Date: Sat, 15 Jan 2022 00:28:03 +0100
Organization: Compilers Central
References: 22-01-052
Injection-Info: gal.iecc.com; posting-host="news.iecc.com:2001:470:1f07:1126:0:676f:7373:6970"; logging-data="86768"; mail-complaints-to="abuse@iecc.com"
Keywords: semantics
Posted-Date: 14 Jan 2022 18:51:14 EST
In-Reply-To: 22-01-052

On 1/14/22 1:15 PM, Roger L Costello wrote:


> In some book I read this statement:
>
> The meaning of an expression is
> the value of the expression.


Perhaps in contrast to the meaning of a loop in code?




> Today while reading the Bison manual, I noticed in it a sentence that said:
>
> ... the meaning of a variable ...


It may mean a state of the program?




You know what I mean:


Expression: I want that evaluated!
Loop: I want that executed repeatedly!
Variable: I want that value rememberd!
#error: I want the compilation aborted!




> [I think the meaning here is not to believe everything you read. -John]


:-)


DoDi


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