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cgen: optimize type_default()

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This commit is contained in:
Alexander Medvednikov 2020-03-23 09:17:32 +01:00
parent 4867803f6b
commit c808430643
1 changed files with 13 additions and 39 deletions
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52
vlib/v/gen/cgen.v
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@ -1552,7 +1552,7 @@ fn (g mut Gen) struct_init(it ast.StructInit) {
info = sym.info as table.Struct
}
// info := g.table.get_type_symbol(it.typ).info as table.Struct
println(info.fields.len)
// println(info.fields.len)
styp := g.typ(it.typ)
if g.is_amp {
g.out.go_back(1) // delete the & already generated in `prefix_expr()
@ -2112,52 +2112,26 @@ fn (g &Gen) type_default(typ table.Type) string {
// return '0'
// }
// Default values for other types are not needed because of mandatory initialization
match sym.name {
'bool' {
idx := int(typ)
if idx >= 1 && idx <= 17 {
return '0'
}
/*
match idx {
table.bool_type_idx {
return '0'
}
else {}
}
*/
match sym.name {
'string' {
return 'tos3("")'
}
'i8' {
return '0'
}
'i16' {
return '0'
}
'i64' {
return '0'
}
'u16' {
return '0'
}
'u32' {
return '0'
}
'u64' {
return '0'
}
'byte' {
return '0'
}
'int' {
return '0'
}
'rune' {
return '0'
}
'f32' {
return '0.0'
}
'f64' {
return '0.0'
}
'byteptr' {
return '0'
}
'voidptr' {
return '0'
}
else {}
}
return '{0}'