Re: Dangling else

SM Ryan <wyrmwif@tsoft.org>
5 Mar 2006 02:16:35 -0500

          From comp.compilers

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Re: Dangling else rsc@swtch.com (Russ Cox) (2006-02-24)
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[7 later articles]
| List of all articles for this month |

From: SM Ryan <wyrmwif@tsoft.org>
Newsgroups: comp.compilers
Date: 5 Mar 2006 02:16:35 -0500
Organization: Quick STOP Groceries
References: 06-02-168
Keywords: syntax, parse

"Russ Cox" <rsc@swtch.com> wrote:


# Early programmers managed to show how to write programs with
# conditionals and loops and function calls simply writing their


Look up "dangling else" and open and closed statemtents from
Pascal and the corrected correction of Revised Algol-60 to
see how to do it


# I find the "make the programmer do it" approach to precedence
# completely unsatisfying. I'd rather just have "expression" and then
# give a list of operator precedences somewhere than have to compile the


It's not that simple. Immediately issues like right
associativity and special forms like C's ?: come up.


--
SM Ryan http://www.rawbw.com/~wyrmwif/


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