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enable else-if expression

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hazohelet 2019-07-12 12:43:21 +09:00 committed by Alexander Medvednikov
parent 22b41c7873
commit e15c2da1f4
1 changed files with 17 additions and 6 deletions
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19
compiler/parser.v
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@ -1009,7 +1009,7 @@ fn (p mut Parser) statement(add_semi bool) string {
case Token.dollar:
p.comp_time()
case Token.key_if:
p.if_st(false)
p.if_st(false, false)
case Token.key_for:
p.for_st()
case Token.key_switch:
@ -2084,7 +2084,7 @@ fn (p mut Parser) factor() string {
// { user | name :'new name' }
return p.assoc()
case Token.key_if:
typ = p.if_st(true)
typ = p.if_st(true, false)
return typ
default:
next := p.peek()
@ -2731,7 +2731,7 @@ fn (p mut Parser) chash() {
}
}
fn (p mut Parser) if_st(is_expr bool) string {
fn (p mut Parser) if_st(is_expr, is_elif_expr bool) string {
if is_expr {
if p.fileis('if_expr') {
println('IF EXPR')
@ -2770,8 +2770,14 @@ fn (p mut Parser) if_st(is_expr bool) string {
p.check(.key_else)
p.fspace()
if p.tok == .key_if {
if is_expr {
p.gen(') : (')
return p.if_st(is_expr, true)
}
else {
p.gen(' else ')
return p.if_st(is_expr)
return p.if_st(is_expr, false)
}
// return ''
}
if is_expr {
@ -2785,8 +2791,13 @@ fn (p mut Parser) if_st(is_expr bool) string {
typ = p.statements()
p.inside_if_expr = false
if is_expr {
if is_elif_expr {
p.gen('))')
}
else {
p.gen(')')
}
}
return typ
}
p.inside_if_expr = false