163 lines
3.5 KiB
Plaintext
163 lines
3.5 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-only
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/// Detect BQ27XXX_DATA structures with identical registers, dm registers or
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/// properties.
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//# Doesn't unfold macros used in register or property fields.
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//# Requires OCaml scripting
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///
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// Confidence: High
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// Copyright: (C) 2017 Julia Lawall, Inria/LIP6,
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// URL: http://coccinelle.lip6.fr/
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// Requires: 1.0.7
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// Keywords: BQ27XXX_DATA
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virtual report
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@initialize:ocaml@
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@@
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let print_report p msg =
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let p = List.hd p in
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Printf.printf "%s:%d:%d-%d: %s" p.file p.line p.col p.col_end msg
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@str depends on report@
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type t;
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identifier i,i1,i2;
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expression e1,e2;
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@@
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t i[] = {
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...,
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[e1] = BQ27XXX_DATA(i1,...),
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...,
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[e2] = BQ27XXX_DATA(i2,...),
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...,
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};
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@script:ocaml tocheck@
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i1 << str.i1;
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i2 << str.i2;
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i1regs; i2regs;
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i1dmregs; i2dmregs;
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i1props; i2props;
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@@
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if not(i1 = i2)
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then
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begin
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i1regs := make_ident (i1 ^ "_regs");
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i2regs := make_ident (i2 ^ "_regs");
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i1dmregs := make_ident (i1 ^ "_dm_regs");
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i2dmregs := make_ident (i2 ^ "_dm_regs");
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i1props := make_ident (i1 ^ "_props");
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i2props := make_ident (i2 ^ "_props")
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end
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(* ---------------------------------------------------------------- *)
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@getregs1@
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typedef u8;
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identifier tocheck.i1regs;
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initializer list i1regs_vals;
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position p1;
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@@
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u8 i1regs@p1[...] = { i1regs_vals, };
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@getregs2@
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identifier tocheck.i2regs;
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initializer list i2regs_vals;
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position p2;
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@@
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u8 i2regs@p2[...] = { i2regs_vals, };
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@script:ocaml@
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(_,i1regs_vals) << getregs1.i1regs_vals;
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(_,i2regs_vals) << getregs2.i2regs_vals;
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i1regs << tocheck.i1regs;
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i2regs << tocheck.i2regs;
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p1 << getregs1.p1;
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p2 << getregs2.p2;
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@@
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if i1regs < i2regs &&
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List.sort compare i1regs_vals = List.sort compare i2regs_vals
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then
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let msg =
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Printf.sprintf
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"WARNING %s and %s (line %d) are identical\n"
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i1regs i2regs (List.hd p2).line in
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print_report p1 msg
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(* ---------------------------------------------------------------- *)
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@getdmregs1@
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identifier tocheck.i1dmregs;
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initializer list i1dmregs_vals;
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position p1;
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@@
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struct bq27xxx_dm_reg i1dmregs@p1[] = { i1dmregs_vals, };
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@getdmregs2@
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identifier tocheck.i2dmregs;
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initializer list i2dmregs_vals;
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position p2;
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@@
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struct bq27xxx_dm_reg i2dmregs@p2[] = { i2dmregs_vals, };
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@script:ocaml@
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(_,i1dmregs_vals) << getdmregs1.i1dmregs_vals;
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(_,i2dmregs_vals) << getdmregs2.i2dmregs_vals;
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i1dmregs << tocheck.i1dmregs;
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i2dmregs << tocheck.i2dmregs;
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p1 << getdmregs1.p1;
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p2 << getdmregs2.p2;
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@@
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if i1dmregs < i2dmregs &&
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List.sort compare i1dmregs_vals = List.sort compare i2dmregs_vals
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then
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let msg =
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Printf.sprintf
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"WARNING %s and %s (line %d) are identical\n"
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i1dmregs i2dmregs (List.hd p2).line in
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print_report p1 msg
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(* ---------------------------------------------------------------- *)
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@getprops1@
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identifier tocheck.i1props;
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initializer list[n1] i1props_vals;
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position p1;
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@@
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enum power_supply_property i1props@p1[] = { i1props_vals, };
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@getprops2@
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identifier tocheck.i2props;
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initializer list[n2] i2props_vals;
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position p2;
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@@
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enum power_supply_property i2props@p2[] = { i2props_vals, };
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@script:ocaml@
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(_,i1props_vals) << getprops1.i1props_vals;
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(_,i2props_vals) << getprops2.i2props_vals;
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i1props << tocheck.i1props;
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i2props << tocheck.i2props;
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p1 << getprops1.p1;
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p2 << getprops2.p2;
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@@
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if i1props < i2props &&
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List.sort compare i1props_vals = List.sort compare i2props_vals
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then
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let msg =
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Printf.sprintf
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"WARNING %s and %s (line %d) are identical\n"
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i1props i2props (List.hd p2).line in
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print_report p1 msg
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