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add bit_field parsing to core:odin/parser

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Also adds it to the core type thingy like it is in the compiler.
This commit is contained in:
Laytan Laats
2024-04-10 01:01:32 +02:00
parent a00d96c0de
commit af6d2480fa
7 changed files with 183 additions and 10 deletions
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core/odin/printer/visit.odin
+51 -1
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@@ -445,7 +445,7 @@ visit_decl :: proc(p: ^Printer, decl: ^ast.Decl, called_in_stmt := false) {
for value in v.values {
#partial switch a in value.derived {
case ^ast.Union_Type, ^ast.Enum_Type, ^ast.Struct_Type:
case ^ast.Union_Type, ^ast.Enum_Type, ^ast.Struct_Type, ^ast.Bit_Field_Type:
add_semicolon = false || called_in_stmt
case ^ast.Proc_Lit:
add_semicolon = false
@@ -488,6 +488,37 @@ visit_exprs :: proc(p: ^Printer, list: []^ast.Expr, options := List_Options{}) {
}
}
@(private)
visit_bit_field_fields :: proc(p: ^Printer, list: []^ast.Bit_Field_Field, options := List_Options{}) {
if len(list) == 0 {
return
}
// we have to newline the expressions to respect the source
for v, i in list {
// Don't move the first expression, it looks bad
if i != 0 && .Enforce_Newline in options {
newline_position(p, 1)
} else if i != 0 {
move_line_limit(p, v.pos, 1)
}
visit_expr(p, v.name, options)
push_generic_token(p, .Colon, 0)
visit_expr(p, v.type, options)
push_generic_token(p, .Or, 1)
visit_expr(p, v.bit_size, options)
if (i != len(list) - 1 || .Trailing in options) && .Add_Comma in options {
push_generic_token(p, .Comma, 0)
}
}
if len(list) > 1 && .Enforce_Newline in options {
newline_position(p, 1)
}
}
@(private)
visit_attributes :: proc(p: ^Printer, attributes: [dynamic]^ast.Attribute) {
if len(attributes) == 0 {
@@ -1293,6 +1324,25 @@ visit_expr :: proc(p: ^Printer, expr: ^ast.Expr, options := List_Options{}) {
visit_expr(p, v.column_count)
push_generic_token(p, .Close_Bracket, 0)
visit_expr(p, v.elem)
case ^ast.Bit_Field_Type:
push_generic_token(p, .Bit_Field, 1)
visit_expr(p, v.backing_type)
if len(v.fields) == 0 || v.pos.line == v.close.line {
push_generic_token(p, .Open_Brace, 1)
visit_bit_field_fields(p, v.fields, {.Add_Comma})
push_generic_token(p, .Close_Brace, 0)
} else {
visit_begin_brace(p, v.pos, .Generic, len(v.fields))
newline_position(p, 1)
set_source_position(p, v.fields[0].pos)
visit_bit_field_fields(p, v.fields, {.Add_Comma, .Trailing, .Enforce_Newline})
set_source_position(p, v.close)
visit_end_brace(p, v.close)
}
set_source_position(p, v.close)
case:
panic(fmt.aprint(expr.derived))
}