Fix UTF8 filenames not being matched by gcc -e output parsing #178
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Starting from 81eadf3,
ctags
is fed only with sketch code after thegcc -e
pass.If the filename contains non-ASCII characters, the string matching at https://github.com/arduino/arduino-builder/blob/master/src/arduino.cc/builder/filter_sketch_source.go#L59 returns
false
becauseutils.ParseCppString
only treats ASCII strings.This patch fixes this behaviour and adds some tests to demonstrate the functionality. All tests are passing.