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EULER
A COMPILER AND INTERPRETER
Wirth's and Weber's contribution to the
development of ALGOL translated into Icon.
euler.icn The EULER compiler and interpreter main program
eulerscn.icn The EULER scanner
eulersem.icn The EULER translator module
eulerint.icn The EULER interpreter
euler.ll1 The parse tables for parsellk
euler.grm The grammar file used by TLCLL1 to build euler.ll1
From the TLCLL1 Parser:
PARSELL1.ICN LL(1) parser
READLL1.ICN input routine for translated grammars
SEMSTK.ICN semantics routines called by PARSELL1.ICN to handle
the semantics stack
From the Icon Program Library:
xcode.icn
escape.icn
ebcdic.icn
Building EULER
You can execute the batch file buildk.bat to build EULER.
Six files from the Icon Program Library and three files from
the TLCLL1 parser generator are included with this distribution
and can be compiled separately.
To build EULER by hand, you may execute
icont -c xcodeobj escape ebcdic
icont -c parsell1 readll1 semstk
icont -fs euler eulerscn eulersem eulerint parsell1.u1 readll1.u1 semstk.u1
The first icont line compiles the files from the IPL. You may
omit the line if you have the IPL installed. The second icont
line compiles modules from the TLCLL1 parser. The third line
compiles EULER's modules. The flag -fs tells the translator
that EULER calls some procedures by giving their names as
strings. In Icon version 8, this flag is not needed; in version
9 it is.
Running EULER
To have EULER translate and execute a program prog.eul, execute
Under Icon version 8:
iconx euler prog.eul
Under Icon version 9:
euler prog.eul
If you would also like a listing of the translated code, execute
Under Icon version 8:
iconx euler -s prog.eul
Under Icon version 9:
euler -s prog.eul
Getting Icon
If you do not have a copy of Icon, you can get it over the
Internet: ftp it from cs.arizona.edu:
ftp ftp.cs.arizona.edu
name: anonymous
password: your_e-mail_address
cd icon
Versions of Icon for several machines are in subdirectories of
directory icon. You may also want to pick up the Icon
Programming Library.
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