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ast: add elem_type_pos to ChanInit (#14873)

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yuyi 2022-06-28 13:30:02 +08:00 committed by GitHub
parent 09630dd0bc
commit 42df154399
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4 changed files with 9 additions and 5 deletions
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5
vlib/v/ast/ast.v
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@ -1271,8 +1271,9 @@ pub mut:
pub struct ChanInit {
pub:
pos token.Pos
has_cap bool
pos token.Pos
elem_type_pos token.Pos
has_cap bool
pub mut:
cap_expr Expr
typ Type

2
vlib/v/checker/checker.v
View File

@ -3529,7 +3529,7 @@ pub fn (mut c Checker) chan_init(mut node ast.ChanInit) ast.Type {
if node.elem_type != 0 {
elem_sym := c.table.sym(node.elem_type)
if elem_sym.kind == .placeholder {
c.error('unknown type `$elem_sym.name`', node.pos)
c.error('unknown type `$elem_sym.name`', node.elem_type_pos)
}
}
if node.has_cap {

4
vlib/v/checker/tests/chan_elem_type_unknown.out
View File

@ -1,5 +1,5 @@
vlib/v/checker/tests/chan_elem_type_unknown.vv:2:7: error: unknown type `NonExistingType`
vlib/v/checker/tests/chan_elem_type_unknown.vv:2:12: error: unknown type `NonExistingType`
1 | fn main() {
2 | _ := chan NonExistingType{}
| ~~~~~~~~~~~~~~~~~~~~~~
| ~~~~~~~~~~~~~~~
3 | }

3
vlib/v/parser/parser.v
View File

@ -2238,7 +2238,9 @@ pub fn (mut p Parser) name_expr() ast.Expr {
if p.tok.lit == 'chan' {
first_pos := p.tok.pos()
mut last_pos := first_pos
mut elem_type_pos := p.peek_tok.pos()
chan_type := p.parse_chan_type()
elem_type_pos = elem_type_pos.extend(p.prev_tok.pos())
mut has_cap := false
mut cap_expr := ast.empty_expr()
p.check(.lcbr)
@ -2265,6 +2267,7 @@ pub fn (mut p Parser) name_expr() ast.Expr {
}
return ast.ChanInit{
pos: first_pos.extend(last_pos)
elem_type_pos: elem_type_pos
has_cap: has_cap
cap_expr: cap_expr
typ: chan_type