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Remove bit_field keyword and parsing logic

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This commit is contained in:
gingerBill
2021-02-23 15:29:54 +00:00
parent fe33a64b2e
commit 28f279329d
12 changed files with 1 additions and 165 deletions
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core/odin/parser/parser.odin
+1 -55
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@@ -415,7 +415,7 @@ is_semicolon_optional_for_node :: proc(p: ^Parser, node: ^ast.Node) -> bool {
return is_semicolon_optional_for_node(p, n.type);
case ast.Pointer_Type:
return is_semicolon_optional_for_node(p, n.elem);
case ast.Struct_Type, ast.Union_Type, ast.Enum_Type, ast.Bit_Field_Type:
case ast.Struct_Type, ast.Union_Type, ast.Enum_Type:
// Require semicolon within a procedure body
return p.curr_proc == nil;
case ast.Proc_Lit:
@@ -2538,59 +2538,6 @@ parse_operand :: proc(p: ^Parser, lhs: bool) -> ^ast.Expr {
et.close = close.pos;
return et;
case .Bit_Field:
tok := expect_token(p, .Bit_Field);
fields: [dynamic]^ast.Field_Value;
align: ^ast.Expr;
prev_level := p.expr_level;
p.expr_level = -1;
for allow_token(p, .Hash) {
tag := expect_token_after(p, .Ident, "#");
switch tag.text {
case "align":
if align != nil {
error(p, tag.pos, "duplicate bit_field tag '#%s", tag.text);
}
align = parse_expr(p, true);
case:
error(p, tag.pos, "invalid bit_field tag '#%s", tag.text);
}
}
p.expr_level = prev_level;
open := expect_token_after(p, .Open_Brace, "bit_field");
for p.curr_tok.kind != .Close_Brace && p.curr_tok.kind != .EOF {
name := parse_ident(p);
colon := expect_token(p, .Colon);
value := parse_expr(p, true);
fv := ast.new(ast.Field_Value, name.pos, value.end);
fv.field = name;
fv.sep = colon.pos;
fv.value = value;
append(&fields, fv);
if !allow_token(p, .Comma) {
break;
}
}
close := expect_token(p, .Close_Brace);
bft := ast.new(ast.Bit_Field_Type, tok.pos, end_pos(close));
bft.tok_pos = tok.pos;
bft.open = open.pos;
bft.fields = fields[:];
bft.close = close.pos;
bft.align = align;
return bft;
case .Bit_Set:
tok := expect_token(p, .Bit_Set);
open := expect_token(p, .Open_Bracket);
@@ -2719,7 +2666,6 @@ is_literal_type :: proc(expr: ^ast.Expr) -> bool {
ast.Enum_Type,
ast.Dynamic_Array_Type,
ast.Map_Type,
ast.Bit_Field_Type,
ast.Bit_Set_Type,
ast.Call_Expr:
return true;