build_flags not working with space

[KawaiiZapic]

What kind of issue is this?

• PlatformIO Core.
  If you’ve found a bug, please provide an information below.

---

Configuration

Operating system: Windows 10 Pro x64

PlatformIO Version (platformio --version): PlatformIO Core, version 6.1.2a3

Description of problem

build_flags not working with space.

Steps to Reproduce

1. add code in platformio.ini:

build_flags=
	'-DMYSTRING="Text is \\"Quoted\\"'

2. Save.

Actual Results

PlatformIO will not update the c_cpp_properties.json

Expected Results

in c_cpp_properties.json:

"defines": [
                "MYSTRING=\"Text is \"Quoted\"",
 ]

Additional info

[ivankravets]

Thanks for the report! Fixed! Please re-test with pio upgrade --dev.