public static void FindExpression(PythonAst ast, SourceLocation position, FindExpressionOptions options, out Node expression, out Node statement, out ScopeStatement scope)
{
expression = null;
statement = null;
scope = null;
if (ast == null)
{
return;
}
var finder = new ExpressionFinder(ast, options);
var index = ast.LocationToIndex(position);
finder.Get(index, index, out expression, out statement, out scope);
var col = position.Column;
while (CanBackUp(ast, expression, statement, scope, col))
{
col -= 1;
index -= 1;
finder.Get(index, index, out expression, out statement, out scope);
}
expression = expression ?? (statement as ExpressionStatement)?.Expression;
}
public CompletionAnalysis(
IModuleAnalysis analysis,
PythonAst tree,
SourceLocation position,
GetMemberOptions opts,
ServerSettings.PythonCompletionOptions completionSettings,
DocumentationBuilder textBuilder,
ILogger log,
Func <TextReader> openDocument
)
{
Analysis = analysis ?? throw new ArgumentNullException(nameof(analysis));
Tree = tree ?? throw new ArgumentNullException(nameof(tree));
Position = position;
Index = Tree.LocationToIndex(Position);
Options = opts;
_pathResolver = analysis.ProjectState.CurrentPathResolver;
_textBuilder = textBuilder;
_log = log;
_openDocument = openDocument;
_addBrackets = completionSettings.addBrackets;
var finder = new ExpressionFinder(Tree, new GetExpressionOptions {
Names = true,
Members = true,
NamedArgumentNames = true,
ImportNames = true,
ImportAsNames = true,
Literals = true,
Errors = true
});
finder.Get(Index, Index, out var node, out _statement, out _scope);
var index = Index;
var col = Position.Column;
while (CanBackUp(Tree, node, _statement, _scope, col))
{
col -= 1;
index -= 1;
finder.Get(index, index, out node, out _statement, out _scope);
}
Node = node ?? (_statement as ExpressionStatement)?.Expression;
}
public CompletionAnalysis(
ModuleAnalysis analysis,
PythonAst tree,
SourceLocation position,
GetMemberOptions opts,
DocumentationBuilder textBuilder,
ILogger log
)
{
Analysis = analysis ?? throw new ArgumentNullException(nameof(analysis));
Tree = tree ?? throw new ArgumentNullException(nameof(tree));
Position = position;
Index = Tree.LocationToIndex(Position);
Options = opts;
_textBuilder = textBuilder;
_log = log;
var finder = new ExpressionFinder(Tree, new GetExpressionOptions {
Names = true,
Members = true,
NamedArgumentNames = true,
ImportNames = true,
ImportAsNames = true,
Literals = true,
});
finder.Get(Index, Index, out _node, out _statement, out _scope);
int index = Index;
int col = Position.Column;
while (CanBackUp(Tree, _node, _statement, _scope, col))
{
col -= 1;
index -= 1;
finder.Get(index, index, out _node, out _statement, out _scope);
}
_node = _node ?? (_statement as ExpressionStatement)?.Expression;
}
public UniqueNameGenerator(IDocumentAnalysis analysis, int position)
{
_analysis = analysis;
_uniqueInModule = position < 0;
if (!_uniqueInModule)
{
var finder = new ExpressionFinder(analysis.Ast, new FindExpressionOptions()
{
Names = true
});
finder.Get(position, position, out _, out _, out _scope);
}
}
public CompletionAnalysis(ModuleAnalysis analysis, PythonAst tree, SourceLocation position, GetMemberOptions opts, Action <FormattableString> trace)
{
Analysis = analysis ?? throw new ArgumentNullException(nameof(analysis));
Tree = tree ?? throw new ArgumentNullException(nameof(tree));
Position = position;
Index = Tree.LocationToIndex(Position);
Options = opts;
_trace = trace;
var finder = new ExpressionFinder(Tree, new GetExpressionOptions {
Names = true,
MemberName = true,
NamedArgumentNames = true,
ImportNames = true,
ImportAsNames = true,
Literals = true,
});
finder.Get(Index, Index, out _node, out _statement, out _scope);
}
public CompletionAnalysis(ModuleAnalysis analysis, PythonAst tree, SourceLocation position, GetMemberOptions opts, DocumentationBuilder textBuilder, ILogger log)
{
Analysis = analysis ?? throw new ArgumentNullException(nameof(analysis));
Tree = tree ?? throw new ArgumentNullException(nameof(tree));
Position = position;
Index = Tree.LocationToIndex(Position);
Options = opts;
_textBuilder = textBuilder;
_log = log;
var finder = new ExpressionFinder(Tree, new GetExpressionOptions {
Names = true,
MemberName = true,
NamedArgumentNames = true,
ImportNames = true,
ImportAsNames = true,
Literals = true,
});
finder.Get(Index, Index, out _node, out _statement, out _scope);
}