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require else in match statements

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This commit is contained in:
Alexander Medvednikov
2019-12-07 16:58:43 +03:00
parent a594e009f2
commit 2fb7fba856
11 changed files with 69 additions and 34 deletions
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61
vlib/compiler/gen_c.v
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@ -260,6 +260,7 @@ fn (table mut Table) fn_gen_name(f &Fn) string {
`*` { name = name.replace('*', 'op_mul') }
`/` { name = name.replace('/', 'op_div') }
`%` { name = name.replace('%', 'op_mod') }
else {}
}
}
}
@ -606,24 +607,50 @@ fn type_default(typ string) string {
return '{0}'
}
// Default values for other types are not needed because of mandatory initialization
match typ {
'bool'{ return '0'}
'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'}
match typ {
'bool'{ return '0'}
'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}'
// TODO this results in
// error: expected a field designator, such as '.field = 4'
//- Empty ee= (Empty) { . = {0} } ;
/*
return match typ {
'bool'{ '0'}
'string'{ 'tos3("")'}
'i8'{ '0'}
'i16'{ '0'}
'i64'{ '0'}
'u16'{ '0'}
'u32'{ '0'}
'u64'{ '0'}
'byte'{ '0'}
'int'{ '0'}
'rune'{ '0'}
'f32'{ '0.0'}
'f64'{ '0.0'}
'byteptr'{ '0'}
'voidptr'{ '0'}
else { '{0} '}
}
return '{0}'
*/
}
fn (p mut Parser) gen_array_push(ph int, typ, expr_type, tmp, elm_type string) {