Re: Generating a simple hand-coded like recursive descent parser

Hans-Peter Diettrich <DrDiettrich1@aol.com>
25 Sep 2006 01:13:56 -0400

          From comp.compilers
Related articles
[16 earlier articles]
Re: Generating a simple hand-coded like recursive descent parser mr.waverlye@verizon.net (Mr.E) (2006-09-11)
Re: Generating a simple hand-coded like recursive descent parser tommy.thorn@gmail.com (Tommy Thorn) (2006-09-12)
Re: Generating a simple hand-coded like recursive descent parser mr.waverlye@verizon.net (Mr.E) (2006-09-16)
Re: Generating a simple hand-coded like recursive descent parser tommy.thorn@gmail.com (Tommy Thorn) (2006-09-18)
Re: Generating a simple hand-coded like recursive descent parser DrDiettrich1@aol.com (Hans-Peter Diettrich) (2006-09-21)
Re: Generating a simple hand-coded like recursive descent parser chris.dollin@hp.com (Chris Dollin) (2006-09-22)
Re: Generating a simple hand-coded like recursive descent parser DrDiettrich1@aol.com (Hans-Peter Diettrich) (2006-09-25)
Re: Generating a simple hand-coded like recursive descent parser chris.dollin@hp.com (Chris Dollin) (2006-09-25)
Re: Generating a simple hand-coded like recursive descent parser DrDiettrich1@aol.com (Hans-Peter Diettrich) (2006-09-26)
Re: Generating a simple hand-coded like recursive descent parser zebedee@zebedee.net (zebedee) (2006-09-28)
Re: Generating a simple hand-coded like recursive descent parser DrDiettrich1@aol.com (Hans-Peter Diettrich) (2006-09-28)
Re: Generating a simple hand-coded like recursive descent parser phaywood@alphalink.com.au (2006-09-30)
Re: Generating a simple hand-coded like recursive descent parser DrDiettrich1@aol.com (Hans-Peter Diettrich) (2006-12-16)
[15 later articles]
| List of all articles for this month |
From: Hans-Peter Diettrich <DrDiettrich1@aol.com>
Newsgroups: comp.compilers
Date: 25 Sep 2006 01:13:56 -0400
Organization: Compilers Central
References: 06-09-02906-09-042 06-09-048 06-09-060 06-09-078 06-09-093 06-09-108 06-09-117
Keywords: parse, C
Posted-Date: 25 Sep 2006 01:13:56 EDT

Chris Dollin wrote:


>>#defined names, and the parser adds all encountered typedef names. This
>>procedure works fine, provided that typedefs always have global scope,
>>as is required in C.
>
>
> Not so far as I'm aware: I couldn't find such a restriction for C90,
> and could find implications in the text that it would be allowed.


C99 states that type declarations are not allowed in C procedure
definitions.


> Experimentally, `gcc -ansi -pedantic` was quite happy with a typedef
> inside `main`.


The standard may differ between C and C++.
What gcc does, that's another story ;-)


DoDi


Post a followup to this message

Return to the comp.compilers page.
Search the comp.compilers archives again.