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The initial version of the style checker should check the following
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All subprograms should have separate declarations;
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Add to the initial version of the style checker checks for the
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All the generic instantiation should contain only named generic
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Any declaration should define exactly one entity (that is,
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multi-identifier declarations are not allowed);
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The diagnosis generated when a style rule violation is detected
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should contain the location of the syntax construct for which the
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violation is detected.
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The subdirectory 'task_1' contains three files:
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- actuals_for_traversing-pre_op.adb - actual Pre-Operation to
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instantiate Traverse_Element, this file should replace the file
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with the same name in ASIS Application Templates to get the
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- style_checker_utilities.ads and style_checker_utilities.adb - the
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package Style_Checker_Utilities, contains the procedure for
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printing out the style violation diagnosis.
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The subdirectory 'task_2' contains one file:
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- actuals_for_traversing-pre_op.adb - actual Pre-Operation to
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instantiate Traverse_Element, this file should replace the file
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with the same name in ASIS Application Templates to get the
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solution for Task 2, it is the extended version of the same
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file from subdirectory 'task_1', and it contains the code for
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checks to be implemented for Task 2. This file uses the same
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version of Style_Checker_Utilities as for Task 1.
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The only thing to do to solve Task 1 is to provide the real code for
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actual Pre-Operation for Traverse_Element. You do not need to do
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anything in Post-Operation: Pre-Operation will give you the natural
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left-to-right top-down sequence of style rule checking.
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The rule to check is about declarations, and, more specific, about
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only specific kinds of declarations - namely, about the subprogram
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body declarations. So, the first thing to do is to define the kind of
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the argument Element in Pre-Operation, and if it is a declaration
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Element, you have to define its subordinate declaration kind.
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Actually, you have to check, that each Element which represents a
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subprogram body has the corresponding separate subprogram
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declaration Element. To get the declaration for a body, you need the
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Asis.Declarations.Corresponding_Declaration query. See also the
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Element classification hierarchy defined in the Asis package and
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classification queries in the package Asis.Elements.
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Hints for Task 2 are given as comments in the solution for Task 1
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(file task_1/actuals_for_traversing-pre_op.adb).
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tutorial/using_templets/style_ckecker/README
