qmake2cmake fails to parse unquoted install command with braces

example input

target.extra = printf "'%s'\n" a \"b (c d)\" e
INSTALLS += target

problem:

the value is parsed as

[ 'printf', "'%s'\n", 'a', '\\"b', '(', 'c', 'd', ')', '\\"', 'e' ]

note how the braces go to separate tokens. this is because of the BracedValue parser

qmake2cmake's class Scope has the method get_string, which simply does 

" ".join(self.get(key)

so now the command is different, because the original whitespace is lost. note the extra whitespace around braces 

// actual
printf "'%s'\n" a \"b ( c d ) \" e

// expected
printf "'%s'\n" a \"b (c d)\" e

workaround: use a quoted string in the .pro file

target.extra = "printf \"'%s'\n\" a \"b (c d)\" e"
INSTALLS += target

suggested solution

parse the value string so that the original value can be restored with

"".join(self.get(key)

this means:

• keep all whitespace between tokens
• keep quotes around quoted strings
• do zero evaluation in the parser stage (dont decode backslashes)
• in class Scope, the method get will remove whitespace tokens, decode backslash-escapes, unpack quoted strings

i started working on this ...
will push commits to my fork at https://github.com/milahu/qmake2cmake