def run(m: Module) -> Module:
filename = Symbol("filename")
doSomething = Symbol("doSomething") # todo: import
with m.func("Run", LazyFormat("{}: string", filename), return_="error"):
config = load_config(m, filename)
m.return_(doSomething(config)) # or "return nil"
return m
import typing as t
from appkit import Config, Error, Cleanup, gen, Symbol
from prestring.go import Module
class Foo:
__gomodule__ = "github.com/podhmo/appkit/foo"
def FromConfig(c: Config) -> Foo:
pass
c = Symbol("c", Config)
m = Module()
with m.func("run", return_="error"):
m.stmt("filename := *config")
m.stmt("c, err := conf.LoadConfig(filename)")
with m.if_("err != nil"):
m.return_("err")
m = gen(m, c, FromConfig)
m.stmt("fooOb := foo.FromConfig(c)")
m.return_("use(fooOb)")
print(m)
from prestring.go import Module
m = Module()
m.package("main")
with m.import_group() as im:
im.import_("fmt")
with m.func("main"):
m.stmt("fmt.Println(`hello world`)")
print(m)
from prestring.go import Module
m = Module()
m.package('main')
with m.import_group() as im:
pass
with m.func('main'):
im.import_('log')
m.stmt('log.Println("hmm")')
print(m)
from prestring.go import Module
m = Module()
m.package('main')
with m.import_group() as im:
im.import_("fmt")
with m.func('Fizzbuzz', 'v int', return_='(string, error)'):
with m.if_("v == 1"):
m.return_('"1", nil')
for i in range(2, 101):
with m.elif_("v == {}".format(i)):
if i % 15 == 0:
m.return_('"fizzbuzz", nil')
elif i % 3 == 0:
m.return_('"fizz", nil')
elif i % 5 == 0:
m.return_('"buzz", nil')
else:
m.return_('"{}", nil'.format(i))
with m.else_():
m.return_('"", fmt.Errorf("unsupported value: %q", v)')
print(m)
from prestring.go import Module
m = Module()
m.package('main')
with m.import_group() as im:
im.import_("fmt")
with m.func('main'):
with m.for_("i := 1; i <= 100; i++"):
m.stmt("v, err := FizzBuzz(i)")
with m.if_("err != nil"):
m.stmt("panic(err)")
m.stmt("fmt.Println(v)")
with m.func('FizzBuzz', 'v int', return_='(string, error)'):
with m.if_("v == 1"):
m.return_('"1", nil')
for i in range(2, 101):
with m.elif_("v == {}".format(i)):
if i % 15 == 0:
m.return_('"fizzbuzz", nil')
elif i % 3 == 0:
m.return_('"fizz", nil')
elif i % 5 == 0:
m.return_('"buzz", nil')
else:
m.return_('"{}", nil'.format(i))
with m.else_():
m.return_('"", fmt.Errorf("unsupported value: %q", v)')
from prestring.go import Module
import sys
m = Module()
N = int(sys.argv[1])
m.package('main')
with m.import_group() as im:
im('sync')
im('fmt')
im('math/rand')
with m.type_('S struct'):
for i in range(N):
m.stmt(f'Value{i} int')
with m.func('main'):
m.stmt('var wg sync.WaitGroup')
m.stmt("var m sync.Mutex")
m.stmt('s := S{}')
for i in range(N):
m.stmt('wg.Add(1)')
m.stmt('go func(){')
with m.scope():
m.stmt("m.Lock()")
m.stmt("defer m.Unlock()")
m.stmt(f's.Value{i} = rand.Int()')
m.stmt('wg.Done()')
m.unnewline()
m.stmt('}()')
m.stmt("wg.Wait()")
m.stmt('fmt.Printf("%#+v\\n", s)')