Re: Compiling expressions

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From	James Harris <james.harris.1@gmail.com>
Newsgroups	comp.compilers
Subject	Re: Compiling expressions
Date	Sun, 6 Jan 2013 00:57:52 -0800 (PST)
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On Jan 3, 9:33 pm, James Harris <james.harri...@gmail.com> wrote:

A small correction was needed, as follows, as I had omitted the loop-
out condition.

> function value_parse(op1)
>   v1 = value() //identifier or literal
>   while true
>     op2 = current token or dummy end of expression
>     if lparen //parens of a function call or similar
>       v1 = args_parse(op2)
>       consume rparen
>     else if prec(op2) > prec(op1)
>       if incompatible(op1, op2)
>         raise "incompatible - grouping parens needed"
>       v1 = node(POSTFIX_OP, v1)
    else
      break
>   return v1

James

Thread

Compiling expressions James Harris <james.harris.1@gmail.com> - 2012-12-29 05:11 -0800
  Re: Compiling expressions glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-12-29 23:33 +0000
    Re: Compiling expressions James Harris <james.harris.1@gmail.com> - 2013-01-02 09:04 -0800
      Re: Compiling expressions "matzebraun@googlemail.com" <matzebraun@googlemail.com> - 2013-01-03 07:13 -0800
      Re: Compiling expressions Horst von Brand <vonbrand@inf.utfsm.cl> - 2013-01-14 16:31 -0300
  Re: Compiling expressions "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> - 2012-12-30 08:58 +0100
    Re: Compiling expressions James Harris <james.harris.1@gmail.com> - 2013-01-02 09:10 -0800
    Re: Compiling expressions James Harris <james.harris.1@gmail.com> - 2013-01-03 12:01 -0800
      Re: Compiling expressions "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> - 2013-01-04 10:18 +0100
  Re: Compiling expressions torbenm@diku.dk (Torben Ægidius Mogensen) - 2013-01-03 16:49 +0100
  Re: Compiling expressions James Harris <james.harris.1@gmail.com> - 2013-01-03 13:33 -0800
    Re: Compiling expressions James Harris <james.harris.1@gmail.com> - 2013-01-06 00:57 -0800
    Re: Compiling expressions "James Harris \(es\)" <james.harris.1@gmail.com> - 2013-03-07 11:11 +0000

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