scripts/coccinelle/api/check_bq27xxx_data.cocci

Source file repositories/reference/linux-study-clean/scripts/coccinelle/api/check_bq27xxx_data.cocci

File Facts

System
Linux kernel
Corpus path
scripts/coccinelle/api/check_bq27xxx_data.cocci
Extension
.cocci
Size
3559 bytes
Lines
163
Domain
Support Tooling And Documentation
Bucket
scripts
Inferred role
Support Tooling And Documentation: scripts
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/// Detect BQ27XXX_DATA structures with identical registers, dm registers or
/// properties.
//# Doesn't unfold macros used in register or property fields.
//# Requires OCaml scripting
///
// Confidence: High
// Copyright: (C) 2017 Julia Lawall, Inria/LIP6,
// URL: https://coccinelle.gitlabpages.inria.fr/website
// Requires: 1.0.7
// Keywords: BQ27XXX_DATA

virtual report

@initialize:ocaml@
@@

let print_report p msg =
  let p = List.hd p in
  Printf.printf "%s:%d:%d-%d: %s" p.file p.line p.col p.col_end msg

@str depends on report@
type t;
identifier i,i1,i2;
expression e1,e2;
@@

t i[] = {
  ...,
  [e1] = BQ27XXX_DATA(i1,...),
  ...,
  [e2] = BQ27XXX_DATA(i2,...),
  ...,
};

@script:ocaml tocheck@
i1 << str.i1;
i2 << str.i2;
i1regs; i2regs;
i1dmregs; i2dmregs;
i1props; i2props;
@@

if not(i1 = i2)
then
  begin
    i1regs := make_ident (i1 ^ "_regs");
    i2regs := make_ident (i2 ^ "_regs");
    i1dmregs := make_ident (i1 ^ "_dm_regs");
    i2dmregs := make_ident (i2 ^ "_dm_regs");
    i1props := make_ident (i1 ^ "_props");
    i2props := make_ident (i2 ^ "_props")
  end

(* ---------------------------------------------------------------- *)

@getregs1@
typedef u8;
identifier tocheck.i1regs;
initializer list i1regs_vals;
position p1;
@@

u8 i1regs@p1[...] = { i1regs_vals, };

@getregs2@
identifier tocheck.i2regs;
initializer list i2regs_vals;
position p2;
@@

Annotation

Implementation Notes