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Old technique in compilers, new in JVM | 125 comments | Create New Account

Comments belong to whoever posts them. Please notify us of inappropriate comments.

Old technique in compilers, new in JVM

Authored by: bugstomper on Tuesday, May 15 2012 @ 09:29 PM EDT

"Yes, compilers have been doing it. But Gosling's patent is for the
JVM"

Actually the Anonymous you replied to is correct.

Significantly, the prior art that the PTO re-examiner accepted as anticipating
almost all of the claims of '104, including all the claims that are in this
case, was that classic book on compiler theory, "Compiler Construction for
Digital Computers" by David Gries, published 1971.

The book includes a section on interpreters, in which he talks about compiling
to a compact intermediate form of code and performing symbol resolution on it.
The only claims that the re-examiner did not reject based on Gries were the ones
that talk about replacing the instructions with new ones that use the resolved
reference, as opposed to the broader claims that talk about using the numeric
references instead of the symbolic references or replacing them a data table.

[ Reply to This | Parent | # ]

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