Error highlighting on method calls

[harry-xi]

Describe the bug

When a method is called, the part that precedes it is incorrectly highlighted by the method's color

sample reproduction

value.Replace("{","{{").Replace("}","}}")

Expected behaviour

Correct highlighting for each step of the chained call

Screenshots

Machine info

• OS: Windows
• .NET SDK version: 8.0.300
• Ionide version: 7.20.1

[MangelMaxime]

This bug seems to be coming from FSAC.

When inspecting the tokens it seems like the range for the semantic token are off:

We have a range for:

• "".Replace
• ("{","{{").Replace

but they should be split in several smaller ranges:

• ""
• .
• Replace
• etc.