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do not allow casting bool to int

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This commit is contained in:
Alexander Medvednikov 2019-11-23 20:40:54 +03:00
parent 3a6ccf7f31
commit 1bd8c465d3
3 changed files with 14 additions and 10 deletions
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6
examples/game_of_life/automaton/automaton.v
View File

@ -67,11 +67,11 @@ pub fn (aa mut Automaton) update() {
)
cell := aa.field.get(x,y)
v := if cell == 1 {
int(moore_sum in [2, 3])
moore_sum in [2, 3]
} else {
int(moore_sum == 3)
moore_sum == 3
}
aa.new_field.set(x,y, v )
aa.new_field.set(x,y, if v { 1 } else { 0 })
}
}
mut tmp := aa.field

4
vlib/compiler/gen_c.v
View File

@ -552,6 +552,10 @@ fn (p mut Parser) cast(typ string) {
if expr_typ == 'string' {
p.error('cannot cast `$expr_typ` to `$typ`')
}
// Nothing can be cast to bool
if expr_typ == 'bool' {
p.error('cannot cast `bool` to `$typ`')
}
p.cgen.set_placeholder(pos, '($typ)(')
}
p.check(.rpar)

14
vlib/eventbus/params.v
View File

@ -1,6 +1,6 @@
module eventbus
/*
/*
NOTE: All these non-generic methods are temporary until
V has a properly functioning generic system
*/
@ -43,7 +43,7 @@ pub fn get_array<T>(p Params, name string, def T) []T {
return []
}
// TODO: make this a method after generics are fixed.
// TODO: make this a method after generics are fixed.
pub fn get_map<T>(p Params, name string, valueTyp T) map[string]T {
param, _ := p.get_param(name, "")
ret := map[string]T
@ -71,9 +71,9 @@ pub fn (p Params) get_int_map(name string) map[string]int {
pub fn (p Params) get_bool_map(name string) map[string]bool {
return get_map(p, name, false)
}
}
// TODO: make this a method after generics are fixed.
// TODO: make this a method after generics are fixed.
pub fn put_map<T>(p mut Params, name string, valueTyp T, value map[string]T) {
keys := value.keys()
mut vals := []T
@ -88,7 +88,7 @@ pub fn put_map<T>(p mut Params, name string, valueTyp T, value map[string]T) {
}
}
// TODO: make this a method after generic methods are working.
// TODO: make this a method after generic methods are working.
pub fn put_array<T>(p mut Params, name string, arr []T) {
p.put_custom(name, "[$arr.len]", arr.data)
}
@ -102,7 +102,7 @@ pub fn (p mut Params) put_string(name string, s string) {
}
pub fn (p mut Params) put_bool(name string, val bool) {
p.put_custom(name, "bool", int(val))
p.put_custom(name, "bool", if val { 1 } else { 0 })
}
pub fn (p mut Params) put_custom(name string, typ string, data voidptr) {
@ -124,4 +124,4 @@ fn (p Params) get_param(name string, typ string) (Param, bool) {
}
}
return Param{value: voidptr(0), keys: voidptr(0)}, false
}
}