coccinelle: misc: move constants to the right

/// Move constants to the right of binary operators.

//# Depends on personal taste in some cases.

///

// Confidence: Moderate

// Copyright: (C) 2015 Copyright: (C) 2015 Julia Lawall, Inria. GPLv2.

// URL: http://coccinelle.lip6.fr/

// Options: --no-includes --include-headers

virtual patch

virtual context

virtual org

virtual report

@r1 depends on patch && !context && !org && !report

 disable bitor_comm, neg_if_exp@

constant c,c1;

local idexpression i;

expression e,e1,e2;

binary operator b = {==,!=,&,|};

type t;

@@

(

c b (c1)

|

sizeof(t) b e1

|

sizeof e b e1

|

i b e1

|

c | e1 | e2 | ...

|

c | (e ? e1 : e2)

|

- c

+ e

b

- e

+ c

)

@r2 depends on patch && !context && !org && !report

 disable gtr_lss, gtr_lss_eq, not_int2@

constant c,c1;

expression e,e1,e2;

binary operator b;

binary operator b1 = {<,<=},b2 = {<,<=};

binary operator b3 = {>,>=},b4 = {>,>=};

local idexpression i;

type t;

@@

(

c b c1

|

sizeof(t) b e1

|

sizeof e b e1

|

 (e1 b1 e) && (e b2 e2)

|

 (e1 b3 e) && (e b4 e2)

|

i b e

|

- c < e

+ e > c

|

- c <= e

+ e >= c

|

- c > e

+ e < c

|

- c >= e

+ e <= c

)

// ----------------------------------------------------------------------------

@r1_context depends on !patch && (context || org || report)

 disable bitor_comm, neg_if_exp exists@

type t;

binary operator b = {==,!=,&,|};

constant c, c1;

expression e, e1, e2;

local idexpression i;

position j0;

@@

(

c b (c1)

|

sizeof(t) b e1

|

sizeof e b e1

|

i b e1

|

c | e1 | e2 | ...

|

c | (e ? e1 : e2)

|

* c@j0 b e

)

@r2_context depends on !patch && (context || org || report)

 disable gtr_lss, gtr_lss_eq, not_int2 exists@

type t;

binary operator b, b1 = {<,<=}, b2 = {<,<=}, b3 = {>,>=}, b4 = {>,>=};

constant c, c1;

expression e, e1, e2;

local idexpression i;

position j0;

@@

(

c b c1

|

sizeof(t) b e1

|

sizeof e b e1

|

 (e1 b1 e) && (e b2 e2)

|

 (e1 b3 e) && (e b4 e2)

|

i b e

|

* c@j0 < e

|

* c@j0 <= e

|

* c@j0 > e

|

* c@j0 >= e

)

// ----------------------------------------------------------------------------

@script:python r1_org depends on org@

j0 << r1_context.j0;

@@

msg = "Move constant to right."

coccilib.org.print_todo(j0[0], msg)

@script:python r2_org depends on org@

j0 << r2_context.j0;

@@

msg = "Move constant to right."

coccilib.org.print_todo(j0[0], msg)

// ----------------------------------------------------------------------------

@script:python r1_report depends on report@

j0 << r1_context.j0;

@@

msg = "Move constant to right."

coccilib.report.print_report(j0[0], msg)

@script:python r2_report depends on report@

j0 << r2_context.j0;

@@

msg = "Move constant to right."

coccilib.report.print_report(j0[0], msg)