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native: add typechecking to gen_var_to_string() (#15107)

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Spydr 2022-07-17 17:09:03 +02:00 committed by GitHub
parent c73c4dc884
commit 368cccb059
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1 changed files with 17 additions and 4 deletions
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21
vlib/v/gen/native/gen.v
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@ -142,6 +142,20 @@ fn (mut g Gen) get_var_from_ident(ident ast.Ident) LocalVar|GlobalVar|Register {
}
}
fn (mut g Gen) get_type_from_var(var Var) ast.Type {
match var {
ast.Ident {
return g.get_type_from_var(g.get_var_from_ident(var) as LocalVar)
}
LocalVar {
return var.typ
}
GlobalVar {
g.n_error('cannot get type from GlobalVar yet')
}
}
}
fn get_backend(arch pref.Arch) ?CodeGen {
match arch {
.arm64 {
@ -438,16 +452,15 @@ fn (mut g Gen) call_fn(node ast.CallExpr) {
}
fn (mut g Gen) gen_var_to_string(reg Register, var Var, config VarConfig) {
if config.typ.is_int() || config.typ == 0 { // TODO: fix config.typ == 0
typ := g.get_type_from_var(var)
if typ.is_int() {
buffer := g.allocate_array('itoa-buffer', 1, 32) // 32 characters should be enough
g.mov_var_to_reg(g.get_builtin_arg_reg('int_to_string', 0), var, config)
g.lea_var_to_reg(g.get_builtin_arg_reg('int_to_string', 1), buffer)
g.call_builtin('int_to_string')
g.lea_var_to_reg(reg, buffer)
} else {
g.n_error('int-to-string conversion only implemented for integer types, got $config.typ')
g.n_error('int-to-string conversion not implemented for type $typ')
}
}