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Replace any with union for subtyping in core:odin/ast

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This commit is contained in:
gingerBill
2022-02-06 13:31:16 +00:00
parent cda9fd5271
commit ad6ea3d6aa
5 changed files with 581 additions and 343 deletions
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core/odin/ast/ast.odin
+174 -3
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@@ -34,7 +34,7 @@ Node :: struct {
pos: tokenizer.Pos,
end: tokenizer.Pos,
state_flags: Node_State_Flags,
derived: any,
derived: Any_Node,
}
Comment_Group :: struct {
@@ -88,9 +88,11 @@ File :: struct {
Expr :: struct {
using expr_base: Node,
derived_expr: Any_Expr,
}
Stmt :: struct {
using stmt_base: Node,
derived_stmt: Any_Stmt,
}
Decl :: struct {
using decl_base: Stmt,
@@ -541,7 +543,7 @@ unparen_expr :: proc(expr: ^Expr) -> (val: ^Expr) {
return
}
for {
e, ok := val.derived.(Paren_Expr)
e, ok := val.derived.(^Paren_Expr)
if !ok || e.expr == nil {
break
}
@@ -758,4 +760,173 @@ Matrix_Type :: struct {
row_count: ^Expr,
column_count: ^Expr,
elem: ^Expr,
}
}
Any_Node :: union {
^Package,
^File,
^Comment_Group,
^Bad_Expr,
^Ident,
^Implicit,
^Undef,
^Basic_Lit,
^Basic_Directive,
^Ellipsis,
^Proc_Lit,
^Comp_Lit,
^Tag_Expr,
^Unary_Expr,
^Binary_Expr,
^Paren_Expr,
^Selector_Expr,
^Implicit_Selector_Expr,
^Selector_Call_Expr,
^Index_Expr,
^Deref_Expr,
^Slice_Expr,
^Matrix_Index_Expr,
^Call_Expr,
^Field_Value,
^Ternary_If_Expr,
^Ternary_When_Expr,
^Or_Else_Expr,
^Or_Return_Expr,
^Type_Assertion,
^Type_Cast,
^Auto_Cast,
^Inline_Asm_Expr,
^Proc_Group,
^Typeid_Type,
^Helper_Type,
^Distinct_Type,
^Poly_Type,
^Proc_Type,
^Pointer_Type,
^Multi_Pointer_Type,
^Array_Type,
^Dynamic_Array_Type,
^Struct_Type,
^Union_Type,
^Enum_Type,
^Bit_Set_Type,
^Map_Type,
^Relative_Type,
^Matrix_Type,
^Bad_Stmt,
^Empty_Stmt,
^Expr_Stmt,
^Tag_Stmt,
^Assign_Stmt,
^Block_Stmt,
^If_Stmt,
^When_Stmt,
^Return_Stmt,
^Defer_Stmt,
^For_Stmt,
^Range_Stmt,
^Inline_Range_Stmt,
^Case_Clause,
^Switch_Stmt,
^Type_Switch_Stmt,
^Branch_Stmt,
^Using_Stmt,
^Bad_Decl,
^Value_Decl,
^Package_Decl,
^Import_Decl,
^Foreign_Block_Decl,
^Foreign_Import_Decl,
^Attribute,
^Field,
^Field_List,
}
Any_Expr :: union {
^Bad_Expr,
^Ident,
^Implicit,
^Undef,
^Basic_Lit,
^Basic_Directive,
^Ellipsis,
^Proc_Lit,
^Comp_Lit,
^Tag_Expr,
^Unary_Expr,
^Binary_Expr,
^Paren_Expr,
^Selector_Expr,
^Implicit_Selector_Expr,
^Selector_Call_Expr,
^Index_Expr,
^Deref_Expr,
^Slice_Expr,
^Matrix_Index_Expr,
^Call_Expr,
^Field_Value,
^Ternary_If_Expr,
^Ternary_When_Expr,
^Or_Else_Expr,
^Or_Return_Expr,
^Type_Assertion,
^Type_Cast,
^Auto_Cast,
^Inline_Asm_Expr,
^Proc_Group,
^Typeid_Type,
^Helper_Type,
^Distinct_Type,
^Poly_Type,
^Proc_Type,
^Pointer_Type,
^Multi_Pointer_Type,
^Array_Type,
^Dynamic_Array_Type,
^Struct_Type,
^Union_Type,
^Enum_Type,
^Bit_Set_Type,
^Map_Type,
^Relative_Type,
^Matrix_Type,
}
Any_Stmt :: union {
^Bad_Stmt,
^Empty_Stmt,
^Expr_Stmt,
^Tag_Stmt,
^Assign_Stmt,
^Block_Stmt,
^If_Stmt,
^When_Stmt,
^Return_Stmt,
^Defer_Stmt,
^For_Stmt,
^Range_Stmt,
^Inline_Range_Stmt,
^Case_Clause,
^Switch_Stmt,
^Type_Switch_Stmt,
^Branch_Stmt,
^Using_Stmt,
^Bad_Decl,
^Value_Decl,
^Package_Decl,
^Import_Decl,
^Foreign_Block_Decl,
^Foreign_Import_Decl,
}