Files
swift-mirror/include/swift/Sema
Rintaro Ishizaki 12762a2a30 [CodeCompletion] Only type check related statements in function body
Introduce 'TypeCheckSingleASTNode' mode that only type checks single body
element and dependent necessities (i.e. referencing ValueDecls and their
dependencies).

Renamed swift::typeCheckAbstractFunctionBodyAtLoc() to
swift::typeCheckASTNodeAtLoc(DeclContext *, SourceLoc). That type checks
innermost 'ASTNode' at the location. Also, 'TypeCheckSingleASTNode' mode
skips type checking any "body" of the node (i.e. BraceStmt elements for
function body, if statement body, closure body, etc.)

Added on-demand type checking using it:
 - VarDecl in TapExpr
 - ParamDecl in ClosureExpr
 - Return type of ClosureExpr
 - Binding value in control statements
   (e.g. ForEachStmt, SwitchStmt, DoCatchStmt, etc.)

rdar://problem/63932852
2020-07-24 10:48:51 -07:00
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