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dtc: Improve support for string escapes

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dtc supports the use of C-style escapes (\n, \t and so forth) in
string property definitions via the data_copy_escape_string()
function.  However, while it supports the most common escape
characters, it doesn't support the full set that C does, which is a
potential gotcha.

Worse, a bug in the lexer means that while data_copy_escape_string()
can handle the \" escape, a string with such an escape won't lex
correctly.

This patch fixes both problems, extending data_copy_escape_string() to
support the missing escapes, and fixing the regex for strings in the
lexer to handle internal escaped quotes.

This also adds a testcase for string escape functionality.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
David Gibson 2007-10-16 16:42:02 +10:00 • committed by Jon Loeliger
parent 333542fabf
commit a756c12bea
7 changed files with 65 additions and 2 deletions
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3
tests/run_tests.sh
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@ -104,6 +104,9 @@ dtc_tests () {
run_test dtc.sh -f -I dts -O dtb -o dtc_tree1.test.dtb test_tree1.dts
tree1_tests dtc_tree1.test.dtb
tree1_tests_rw dtc_tree1.test.dtb
run_test dtc.sh -f -I dts -O dtb -o dtc_escapes.test.dtb escapes.dts
run_test string_escapes dtc_escapes.test.dtb
}
while getopts "vdt:" ARG ; do