Dart Analyzer is a package that provides a library that performs static analysis of Dart code. It is useful for tool integration and embedding.
Questions tagged [dart-analyzer]
73 questions
0
votes
1 answer
Target of URI doesn't exist in every flutter package even project folders
Today I upgraded the flutter to v 1.17.0 on stable channel when vs code was open and some tab where opened on vs code from my project. After flutter update finished, suddenly both vs code and Android Studio show error of "Target of URI doesn't…
Mahdi Rezaei
- 25
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- 7
0
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0 answers
package:analyzer When the parameter type is Function type , type.element is getting 'null'
I am using package:analyzer to do custom static analysis.
when I have dart code like below :
class MyType{
final void Function(MyItemType) callback ;
}
When I try to access the element of the callback type : I am getting null
That is…
Natesh bhat
- 12,274
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0
votes
1 answer
Enabled experiment stopped getting picked up by the analyzer
I'm running Dart 2.8.0-dev.18.0 and I want to use non-nullable types. That's why I added the following to analysis_options.yaml:
analyzer:
enable-experiment:
- non-nullable
Everything worked fine until it mysteriously stopped working when I…
Matt
- 123
- 1
- 12
0
votes
1 answer
Analyzer isn't working in Visual Studio Code ... or is it?
In Visual Studio Code, no errors seem to arise when an @required parameter is omitted when invoking a Dart function. Do I have to do something to get the analyzer working? Or are errors being flagged and I'm just not seeing them? Any help would be…
Michael Rogers
- 1,318
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- 22
0
votes
1 answer
Analyzer to find unchecked access to potential null values
I am trying to find out what the status of avoiding unchecked access to null with compiler/analyzer support is in Dart.
Having done a couple of years of TypeScript, their strict default-non-null was a huge step forward in making code much safer. I…
user3612643
- 5,096
- 7
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- 55
0
votes
1 answer
Is there any way to traverse the Ast in preorder, postorder or Inorder in Dart
Is there any way to traverse the AST made up from dart Analyser in PreOrder, postOrder or inOrder.i am using visit Node to traverse the AST tree using GeneralizingAstVisitor but it just traverse it recursively from top to bottom of…
Shubham Kumar
- 2,171
- 1
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- 22
0
votes
1 answer
how to edit node using Analyser in dart
How to edit a source file in dart using analyser.
This is what i tried
import 'package:analyzer/src/generated/ast.dart';
import 'package:analyzer/src/generated/error.dart';
import 'package:analyzer/src/generated/parser.dart';
import…
Shubham Kumar
- 2,171
- 1
- 13
- 22
0
votes
1 answer
Getting the typed syntax tree from dart2js or dart-analyzer
I'd like to derive exactly that subset of the sources of a dart comiler (dart2js or dartdevc or other) or of a dart analyser that can 1. transform a string of dart code (or better a list of strings each representing a compilation unit) into a typed…
Malelago
- 31
- 3
0
votes
1 answer
Dart replacing the node in the abstract syntax tree
i want to replace print(a) with print(a+b) in the following code.
void main(){
String a ="hey";
String b ="there";
print(\$a);
}
cn is the AstNode & cn contains print($a)
Is their any way i can do this? Please help me, i am new to dart.
Rishab Jain
- 269
- 4
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0
votes
2 answers
Nested parameterized types with Dart 1.22.0 new instantiate to bound rules
I have an issue related to the new instantiate to bound rule in Dart 1.22.0. I have a BaseModel class that takes a parameterized type called ParentType that itself extends BaseModel.
Not all BaseModels have a specific ParentType, and if I…
Sam B
- 187
- 12
-1
votes
1 answer
dart: unnecessary_null_comparision
For the following code:
bool assertTest(int? n1, int? n2) {
return (n1 == null) || (n1 != null && n2 != null);
}
there is a warning at n1 != null saying The operand can't be null, so the condition is always true.
Why does this warning show up?…
Naveen
- 1,363
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-2
votes
1 answer
Can the Dart analyzer prevent compilation if I pass a particlar subclass as an argument to a method?
I am upgrading an older app from Flutter 2 to Flutter 3, and one problem I have encountered is that the TextButton.icon() goes crazy if child is a Flexible. This did not happen with FlatButton.icon(), which worked just fine.
So I'm wondering if…
Magnus
- 17,157
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-4
votes
0 answers
any time i switch off my laptop or restart it, it keeps showing me the image below
Dart Analysis failure
I deleted the cache in the flutter folder and run flutter doctor. it download the sdk of dart and it works but if I switch off my system or restart it. it start showing the error again that is in the image. Please i need…
