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new AST built with sum types

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This commit is contained in:
Alexander Medvednikov
2019-12-22 04:34:37 +03:00
parent 803ded3dec
commit ca284482cb
15 changed files with 1521 additions and 38 deletions
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8
vlib/compiler/fn.v
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@@ -220,7 +220,7 @@ fn (p mut Parser) fn_decl() {
mut f := Fn{
mod: p.mod
is_public: is_pub || p.is_vh // functions defined in .vh are always public
is_unsafe: p.attr == 'unsafe_fn'
is_deprecated: p.attr == 'deprecated'
comptime_define: if p.attr.starts_with('if ') { p.attr[3..] } else { '' }
@@ -799,7 +799,7 @@ fn (p mut Parser) fn_call(f mut Fn, method_ph int, receiver_var, receiver_type s
if f.is_method {
receiver := f.args.first()
mut receiver_is_interface := false
if receiver.typ.ends_with('er') {
if receiver.typ.ends_with('er') || receiver.typ[0] == `I` {
// I absolutely love this syntax
// `s.speak()` =>
// `((void (*)())(Speaker_name_table[s._interface_idx][1]))(s._object);
@@ -893,7 +893,7 @@ fn (p mut Parser) fn_args(f mut Fn) {
typ: typ
is_arg: true
// is_mut: is_mut
line_nr: p.scanner.line_nr
token_idx: p.cur_tok_index()
}
@@ -1083,7 +1083,7 @@ fn (p mut Parser) fn_call_args(f mut Fn, generic_param_types []string) {
// fn run(r Animal) { ... }
// `run(dog)` adds `Dog` to the `Animal` interface.
// This is needed to generate an interface table.
if arg.typ.ends_with('er') {
if arg.typ.ends_with('er') || arg.typ[0] == `I` {
t := p.table.find_type(arg.typ)
if t.cat == .interface_ {
// perform((Speaker) { ._object = &dog,