Move LSP semantics into typed analysis

internal/lang/ast.go

@@ -10,7 +10,10 @@ type Program struct {
 	Embeds      []EmbedDecl
 }
 
-type EmbedDecl struct{ Path, Name, Type string }
+type EmbedDecl struct {
+	Path, Name, Type string
+	TypeRef          TypeRef
+}
 
 type EnumDecl struct {
 	Name     string
@@ -20,6 +23,7 @@ type EnumDecl struct {
 type EnumVariant struct {
 	Name         string
 	PayloadTypes []string
+	PayloadRefs  []TypeRef
 	StringValue  string
 }
 
@@ -35,6 +39,7 @@ type InterfaceDecl struct {
 
 type ClassDecl struct {
 	Name       string
+	TypeParams []string
 	Data       bool
 	JSONNaming string
 	Table      string
@@ -48,6 +53,7 @@ type FieldDecl struct {
 	Private   bool
 	Name      string
 	Type      string
+	TypeRef   TypeRef
 	Column    string
 	ID        bool
 	Generated bool
@@ -55,22 +61,27 @@ type FieldDecl struct {
 
 type FunctionSignature struct {
 	Name       string
+	TypeParams []string
 	Params     []Param
 	ReturnType string
+	ReturnRef  TypeRef
 	Suspend    bool
 }
 
 type FunctionDecl struct {
 	Name       string
+	TypeParams []string
 	Params     []Param
 	ReturnType string
+	ReturnRef  TypeRef
 	Body       []Stmt
 	Suspend    bool
 }
 
 type Param struct {
-	Name string
-	Type string
+	Name    string
+	Type    string
+	TypeRef TypeRef
 }
 
 type Stmt interface {
@@ -84,7 +95,9 @@ type Expr interface {
 type VarDecl struct {
 	Mutable bool
 	Name    string
+	Pos     int
 	Type    string
+	TypeRef TypeRef
 	Value   Expr
 }
 
@@ -173,6 +186,7 @@ type TryCatchStmt struct {
 	TryBody   []Stmt
 	CatchName string
 	CatchType string
+	CatchRef  TypeRef
 	CatchBody []Stmt
 }
 
@@ -208,6 +222,7 @@ type MatchExprCase struct {
 type IdentExpr struct {
 	Meta ExprMeta
 	Name string
+	Pos  int
 }
 
 func (IdentExpr) exprNode() {}
@@ -280,6 +295,7 @@ type SelectorExpr struct {
 	Meta     ExprMeta
 	Receiver Expr
 	Name     string
+	NamePos  int
 }
 
 func (SelectorExpr) exprNode() {}
@@ -288,6 +304,7 @@ type SafeSelectorExpr struct {
 	Meta     ExprMeta
 	Receiver Expr
 	Name     string
+	NamePos  int
 }
 
 func (SafeSelectorExpr) exprNode() {}