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v/vlib/wasm/tests/var_test.v

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module main
import wasm
fn test_globals() {
mut m := wasm.Module{}
m.enable_debug('vlang')
vsp := m.new_global('__vsp', false, .i32_t, true, wasm.constexpr_value(10))
mut func := m.new_function('vsp', [], [.i32_t])
{
func.global_get(vsp)
func.i32_const(20)
func.add(.i32_t)
func.global_set(vsp)
func.global_get(vsp)
}
m.commit(func, true)
fref := m.new_global('__ref', true, .funcref_t, true, wasm.constexpr_ref_null(.funcref_t))
mut func1 := m.new_function('ref', [], [])
{
func1.ref_func('vsp')
func1.global_set(fref)
}
m.commit(func1, true)
gimport := m.new_global_import('env', '__import', .f64_t, false)
mut func2 := m.new_function('import', [], [.f64_t])
{
func2.global_get(gimport)
}
m.commit(func2, true)
validate(m.compile()) or { panic(err) }
}