Description:
Compiler construction, theory, etc. (Moderated)
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How to rewrite a regexp without word boundaries?
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Hi, I have been wondering, with limited success, how to rewrite a regexp without word boundaries. According to [link] <from Perl manual> In addition, Perl defines the following: \w Match a "word" character (alphanumeric plus "_") \W Match a non-word character... more »
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TextTransformer 1.7.0: extended C++ code generation and 75% off
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TextTransformer 1.7.0 has just been released. TextTransformer is a Windows IDE for building, debugging and executing parsers and translators. TextTransformer is made both for end-users and for C++ developers. This update is primarily dedicated to C++ code generation. The possibility of the professional version of TextTransformer to... more »
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on definition of soundness and completeness
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In the presentation of various program analysis techniques, we often read claims of "soundness" and "completeness" properties of those techniques. I often find the definitions I expected for these two concepts at odds with whatever is put down in the paper I am reading. (I can give some fresh examples from latest conference like pldi).... more »
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Simple parsing problem
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This should be easy practice for the experts .. I am writing a bison grammar to parse strings coming from various kinds of attached devices. One of the strings is of the form: $FOO,field1,field2, 0,a,1,b,3,c, ....<CRLF> where there are a variable number of paired fields of the form <number> COMMA <text> COMMA. The comma is always a delimiter here,... more »
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Seed7 Release 2009-06-21
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Hello, I have released a new version of Seed7: seed7_05_20090621.tgz In the Seed7 programming language new statements and operators can be declared easily. Types are first class objects and therefore templates/generics need no special syntax. Object orientation is used when it brings advantages and not in places when other... more »
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CompilerJobs.com
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Over two dozen compiler jobs have been posted to CompilerJobs.com in last three months. See [link] for compiler jobs at Coherent Logix, Cray, nVidia, Coverity, and other high tech companies. Best, Christopher
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How are string literals represented internally by compilers?
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I don't remember reading about how string literals are represented in any of the books I have. Until I go back and scour those for the info (assuming it is there), I'll ask here. How are string literals represented internally by compilers? I assume that it's probably null-terminated character string for... more »
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Partially handwritten parsers
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John wrote: ...The tests that I have been doing use scannerless parsing but the larger issue you are raising, that parsing is often not the bottleneck of the application, is no doubt valid. But being relatively new to the business, my motivation for building a better mousetrap is still a natural curiosity.... more »
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old 1981 DDJ article on compilers
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Der all, I am looking for a copy of: W. A. Gale, "Write your own compiler", Dr. Dobb's Journal, August, 1981, pp. 6-14; listings pp. 22-39. The article is about META4, a descendant of META-II by Schorre. I am not able to locate this article in a library, because they usually don't archive Dr. Dobbs many years. If you have a copy, please contact me at:... more »
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