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GDScript: Improve usability of setter chains

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- Consider PackedArrays non-shared since they are copied on C++/script
  boundaries.
- Add error messages in the analyzer when assigning to read-only
  properties.
- Add specific error message at runtime when assignment fails because
  the property is read-only.
This commit is contained in:
George Marques 2023-01-30 14:50:08 -03:00
parent 315d3c4d21
commit 5fc7918594
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GPG key ID: 046BD46A3201E43D
13 changed files with 92 additions and 19 deletions
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4
modules/gdscript/tests/scripts/analyzer/errors/assign_to_read_only_property.gd Normal file
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func test():
var tree := SceneTree.new()
tree.root = Window.new()
tree.free()

2
modules/gdscript/tests/scripts/analyzer/errors/assign_to_read_only_property.out Normal file
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GDTEST_ANALYZER_ERROR
Cannot assign a new value to a read-only property.

4
modules/gdscript/tests/scripts/analyzer/errors/assign_to_read_only_property_indirectly.gd Normal file
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func test():
var state := PhysicsDirectBodyState3DExtension.new()
state.center_of_mass.x += 1.0
state.free()

2
modules/gdscript/tests/scripts/analyzer/errors/assign_to_read_only_property_indirectly.out Normal file
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GDTEST_ANALYZER_ERROR
Cannot assign a new value to a read-only property.