tests/syntax/identifier/identifier_as_program.test
author Manuele Conti <conti.ma@alice.it>
Mon, 30 Jul 2012 22:59:00 +0200
changeset 622 eaa49b276e17
parent 108 f9e001952488
permissions -rwxr-xr-x
Add check bison version in configure.ac file.
To build correctly matiec we need bison greater or equals than 2.4 version.
Now the "configure" script is able to check if system has correctly requirements.
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(* Test whether the keyword XXXX may be used as an identifier for:
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 * Program identifier
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 *
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 * The XXXX names in the following code are merely a placeholder.
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 * They will be replaced by several identifiers before actual testing
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 * of the compiler.
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 *)
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(* The identifiers that will replace the XXXX
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 * must be placed on a line starting with #
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 * All identifiers preceded by # are ignored!
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 * The identifier list must be placed inside an IEC 61131-3 comment.
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 *)
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(* This file is specific for identifiers identical to IL operators.
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 *  See the note following the identifier list
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 *)
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(*
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#IL_operators ANDN CAL CALC CALCN CD CLK CU IN JMP JMPC JMPCN LD LDN ORN PT PV R R1 RET RETC RETCN S S1 ST STN XORN
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#SFC_qualifiers D DS L N P #R #S SD SL
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     NOTE: R and S are identical to IL operators!!
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#Task_initialisers PRIORITY SINGLE INTERVAL
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*)
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(* NOTE: The identifier as a variable test has some special cases.
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 *       Namely, when using IL operators as variable names.
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 *       Even though the syntax of the IL language would not result
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 *       in ambiguities in the above case, our parser does not currently
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 *       allow the use of variables (with names identical to IL
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 *       operators) within IL code.
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 *
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 *       The following test code must therefore consider two possibilities:
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 *        - if the identifier under test is an IL operator
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 *        - if the identifier under test is not an IL operator
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 *)
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PROGRAM XXXX
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VAR_INPUT
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  a_1 : BOOL;
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END_VAR
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  LD a_1
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END_PROGRAM
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CONFIGURATION config1
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 TASK fast(PRIORITY := 4);
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 PROGRAM P1 WITH fast:
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       XXXX(a_1 := TRUE);
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END_CONFIGURATION
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(* Checking whether the use of XXXX will confuse any other
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 * normal and correct IL or ST code.
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 *)
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{#include "basic_code.test" }
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