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compiler: fix interfaces after the recent tokens change

pull/2141/head
Alexander Medvednikov 2019-09-27 20:59:12 +03:00
parent 14a8d4ae3c
commit dd58298500
2 changed files with 14 additions and 16 deletions
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16
compiler/parser.v
View File

@ -209,6 +209,15 @@ fn (p & Parser) peek() Token {
return tok.tok
}
// TODO remove dups
fn (p &Parser) prev_token() Tok {
return p.tokens[p.token_idx - 2]
}
fn (p &Parser) cur_tok() Tok {
return p.tokens[p.token_idx - 1]
}
fn (p &Parser) peek_token() Tok {
if p.token_idx >= p.tokens.len - 2 {
return Tok{tok:Token.eof}
@ -540,6 +549,7 @@ fn (p mut Parser) type_decl() {
p.register_type_with_parent(name, parent.name)
}
// current token is `(`
fn (p mut Parser) interface_method(field_name, receiver string) &Fn {
mut method := &Fn {
name: field_name
@ -549,8 +559,10 @@ fn (p mut Parser) interface_method(field_name, receiver string) &Fn {
}
//p.log('is interface. field=$field_name run=$p.pass')
p.fn_args(mut method)
if p.scanner.has_gone_over_line_end() {
//if p.prev_tok.line_nr != p.tok.line_nr {
prev_tok := p.prev_token()
cur_tok := p.cur_tok()
// No type on the same line, this method doesn't return a type, process next
if prev_tok.line_nr != cur_tok.line_nr {
method.typ = 'void'
} else {
method.typ = p.get_type()// method return type

14
compiler/scanner.v
View File

@ -228,20 +228,6 @@ fn (s mut Scanner) ident_number() string {
return s.ident_dec_number()
}
fn (s Scanner) has_gone_over_line_end() bool {
mut i := s.pos-1
for i >= 0 && !s.text[i].is_white() {
i--
}
for i >= 0 && s.text[i].is_white() {
if is_nl(s.text[i]) {
return true
}
i--
}
return false
}
fn (s mut Scanner) skip_whitespace() {
for s.pos < s.text.len && s.text[s.pos].is_white() {
// Count \r\n as one line