Re: Compiler 101

anton@mips.complang.tuwien.ac.at (Anton Ertl)
24 Jan 2005 10:58:30 -0500

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From: anton@mips.complang.tuwien.ac.at (Anton Ertl)
Newsgroups: comp.compilers
Date: 24 Jan 2005 10:58:30 -0500
Organization: Institut fuer Computersprachen, Technische Universitaet Wien
References: 05-01-067
Keywords: interpreter

Jon Masterson <news@scruffyduck.co.uk> writes:
>At the moment, for example,
>I cannot allow nesting as I have no clue as to how to handle that now.
>I'm not particularly worried about converting the intermediate code
>into machine code due to the nature of the target which is very
>specific. I am very interested in the approaches to parsing, syntax
>checking and analysing the source.


That's not very interpreter-specific. You can read the front-end part
of any compiler text for that.


>I have recollections of using postfix notation and a stack last time
>but, as mentioned, it is all rather blurred....8-)


I guess you used a stack-based virtual machine as interface between
the front end and back end.


You might be interested in Vmgen
<http://www.complang.tuwien.ac.at/anton/vmgen/>, which includes an
example of an interpreter for a small Modula-style language.


- anton
--
M. Anton Ertl
anton@mips.complang.tuwien.ac.at
http://www.complang.tuwien.ac.at/anton/home.html


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