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scripts/dts/gen_defines.py: generalize string escape

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Add str2str to make the conversion of a string into a C literal with all
necessary escapes and enclosing double quotes available outside a
function that emits a define.

Signed-off-by: Peter A. Bigot <pab@pabigot.com>
This commit is contained in:
Peter A. Bigot 2019-08-22 09:21:05 -05:00 • committed by Kumar Gala
commit e9a173120f
1 changed files with 12 additions and 7 deletions
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19
scripts/dts/gen_defines.py
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@ -597,18 +597,16 @@ def out_dev(dev, ident, val, name_alias=None):
def out_dev_s(dev, ident, s):
# Like out_dev(), but puts quotes around 's' and escapes any double quotes
# and backslashes within it
# Like out_dev(), but emits 's' as a string literal
# \ must be escaped before " to avoid double escaping
out_dev(dev, ident, '"{}"'.format(escape(s)))
out_dev(dev, ident, quote_str(s))
def out_s(ident, val):
# Like out(), but puts quotes around 's' and escapes any double quotes and
# backslashes within it
# Like out(), but puts quotes around 'val' and escapes any double
# quotes and backslashes within it
out(ident, '"{}"'.format(escape(val)))
out(ident, quote_str(val))
def out(ident, val, aliases=()):
@ -652,6 +650,13 @@ def escape(s):
return s.replace("\\", "\\\\").replace('"', '\\"')
def quote_str(s):
# Puts quotes around 's' and escapes any double quotes and
# backslashes within it
return '"{}"'.format(escape(s))
def err(s):
raise Exception(s)