1
0
mirror of https://github.com/vlang/v.git synced 2023-08-10 21:13:21 +03:00
v/vlib/wasm/tests/debug_test.v

60 lines
1.5 KiB
V

module main
import wasm
fn test_debug() {
mut m := wasm.Module{}
m.enable_debug('hello VLANG!')
// FuncType with debuginfo/name
func_type := wasm.FuncType{[.i32_t, .i32_t], [.i32_t], 'fn_<int_int>_int'}
// []?string, named function parameters
param_names := [?string('a'), 'b']
mut a1 := m.new_debug_function('add', func_type, param_names)
{
loc := a1.new_local_named(.i32_t, 'intermediary')
a1.local_get(0)
a1.local_get(1)
a1.add(.i32_t)
a1.local_set(loc)
a1.local_get(loc)
}
m.commit(a1, false)
validate(m.compile()) or { panic(err) }
}
fn test_wasi_debug() {
mut m := wasm.Module{}
m.enable_debug('hello!')
m.new_global('__vsp', true, .i32_t, true, wasm.constexpr_value(10))
m.new_global_import('env', 'glble', .i32_t, false)
m.new_function_import('wasi_unstable', 'proc_exit', [.i32_t], [])
m.new_function_import('wasi_unstable', 'fd_write', [.i32_t, .i32_t, .i32_t, .i32_t],
[.i32_t])
m.assign_memory('memory', true, 1, none)
m.new_data_segment('CIOVec.str', 0, [u8(8), 0, 0, 0]) // pointer to string
m.new_data_segment('CIOVec.len', 4, [u8(13), 0, 0, 0]) // length of string
m.new_data_segment(none, 8, 'Hello, WASI!\n'.bytes())
mut func := m.new_function('_start', [], [])
{
func.new_local_named(.i32_t, 'loc')
func.i32_const(1) // stdout
func.i32_const(0) // *iovs
func.i32_const(1) // 1 iov
func.i32_const(-1) // *retptrs
func.call_import('wasi_unstable', 'fd_write')
func.drop()
func.i32_const(0)
func.call_import('wasi_unstable', 'proc_exit')
}
m.commit(func, true)
print(m.compile().bytestr())
}