105 lines
2.1 KiB
Plaintext
105 lines
2.1 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-only
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/// Device node iterators put the previous value of the index variable, so an
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/// explicit put causes a double put.
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///
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// Confidence: High
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// Copyright: (C) 2015 Julia Lawall, Inria.
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// URL: http://coccinelle.lip6.fr/
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// Options: --no-includes --include-headers
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// Requires: 1.0.4
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// Keywords: for_each_child_of_node, etc.
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// This uses a conjunction, which requires at least coccinelle >= 1.0.4
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virtual patch
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virtual context
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virtual org
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virtual report
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@r exists@
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expression e1,e2;
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local idexpression n;
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iterator name for_each_node_by_name, for_each_node_by_type,
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for_each_compatible_node, for_each_matching_node,
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for_each_matching_node_and_match, for_each_child_of_node,
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for_each_available_child_of_node, for_each_node_with_property;
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iterator i;
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position p1,p2;
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statement S;
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@@
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(
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(
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for_each_node_by_name(n,e1) S
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for_each_node_by_type(n,e1) S
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for_each_compatible_node(n,e1,e2) S
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for_each_matching_node(n,e1) S
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for_each_matching_node_and_match(n,e1,e2) S
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for_each_child_of_node(e1,n) S
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for_each_available_child_of_node(e1,n) S
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for_each_node_with_property(n,e1) S
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)
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&
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i@p1(...) {
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... when != of_node_get(n)
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when any
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of_node_put@p2(n);
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... when any
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}
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)
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@s exists@
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local idexpression r.n;
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statement S;
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position r.p1,r.p2;
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iterator i;
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@@
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of_node_put@p2(n);
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... when any
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i@p1(..., n, ...)
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S
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@t depends on s && patch && !context && !org && !report@
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local idexpression n;
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position r.p2;
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@@
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- of_node_put@p2(n);
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// ----------------------------------------------------------------------------
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@t_context depends on s && !patch && (context || org || report)@
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local idexpression n;
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position r.p2;
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position j0;
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@@
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* of_node_put@j0@p2(n);
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// ----------------------------------------------------------------------------
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@script:python t_org depends on org@
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j0 << t_context.j0;
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@@
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msg = "ERROR: probable double put."
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coccilib.org.print_todo(j0[0], msg)
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// ----------------------------------------------------------------------------
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@script:python t_report depends on report@
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j0 << t_context.j0;
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@@
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msg = "ERROR: probable double put."
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coccilib.report.print_report(j0[0], msg)
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