def List(env: Env, t, out):
ty = ts.Type()
out.append('[')
for _, sub in t:
ty = check(ty, env, sub, out, '全ての要素を同じ型に揃えてください')
out.append(',')
out.append(']')
return ts.Type(f'list[{ty}]')
def ApplyExpr(env: Env, t, out):
name = t['name'].asString()
if name in env:
vari = env[name]
name = vari.target
types = vari.types
if name == 'world':
set_World(env, t, types[-1])
return ts.Matter
elif t['name'].tag == 'NLPSymbol':
name, types = checkNLPMatter(env, name, t)
else:
perror(env, t['name'], f'タイプミス？ {name} 未定義な関数名です')
return ts.Type() # To avoid error
if ts.isMatterFunc(types):
with Env(env) as env:
out.append(f'puppy.new_(puppy.vars["{name}"],')
args = [y for x, y in t.subs()]
emitArguments(env, t['name'], args, types, '', out)
env['@@yield'] = trace(env, t)
env['@@oid'] += 1
else:
out.append(name)
out.append('(')
args = [y for x, y in t.subs()]
emitArguments(env, t['name'], args, types, '', out)
if name == 'puppy.print':
env['@@yield'] = trace(env, t)
env['@@oid'] += 1
return types[0]
def VarDecl(env: Env, t, out):
left = t['left']
newvar = None
ty = None
if left.tag == 'Name':
name = left.asString()
if name in env:
vari = env[name]
ty = vari.types
out.append(vari.target)
elif '@local' in env: # ローカルスコープなら
newvar = localName(name)
out.append(f'var {newvar}')
else:
newvar = globalName(name)
out.append(newvar)
else:
ty = conv(env, t['left'], out)
out.append(' = ')
# 左辺値から型推論する
if ty is None:
ty = ts.Type()
ty = check(ty, env, t['right'], out)
if newvar != None:
env[name] = Symbol(newvar, mutable, ty)
return ts.Void
def conv(env: Env, t, out):
if t.tag in func:
return func[t.tag](env, t, out)
else:
perror(env, t, f'未実装のコード{t.tag}です。')
print('@Debug[conv]', t.asString(), t)
out.append('undefined')
return ts.Type()
def Name(env: Env, t, out):
name = t.asString()
if name in env:
var = env[name]
out.append(var.target)
return var.types
else:
out.append(name)
perror(env, t, f'変数名 {name} は一度も定義されていません')
return ts.Type()
def FuncExpr(env: Env, t, out):
with Env(env) as lenv:
types = [ts.Type()]
voidCheck = str(types[0])
out.append("(")
for _, p in t['params']:
pname = p.asString()
ty = ts.Type()
if(len(types) > 1):
out.append(f',{pname}')
else:
out.append(pname)
types.append(ty)
lenv[pname] = Symbol(localName(pname), mutable, ty)
out.append(") => ")
lenv['@local'] = types[0] # return type
conv(lenv, t['body'], out)
if voidCheck == str(types[0]):
types[0] = ts.Void
return tuple(types)
def GetExpr(env: Env, t, out):
name = t['name'].asString()
pkgname = t['recv'].asString() + '.'
if pkgname in env: # math.pi のような定数
penv = env[pkgname]
if name in penv:
vari = penv[name]
out.append(vari.target)
return vari.types
else:
perror(env, t['name'], f'{pkgname}{name}？ タイプミスしてませんか？')
out.append('undefined')
return ts.Type()
check(ts.Matter, env, t['recv'], out)
out.append('.')
if not name in KEYWORDS:
pwarn(env, t['name'], f'{name}？ タイプミスしてませんか？')
out.append(name)
return ts.Type()
else:
name = KEYWORDS[name]
out.append(name)
return ts.newType(KEYWORDTYPES[name])
def FuncDecl(env: Env, t, out):
name = t['name'].asString()
jsname = emitDeclName(env, name, out)
with Env(env) as lenv:
types = [ts.Type()]
voidCheck = str(types[0])
out.append('(')
for _, p in t['params']:
pname = p['name'].asString()
if(len(types) > 1):
out.append(f',{pname}')
else:
out.append(pname)
ty = ts.parseOf(p['type'], pwarn) if 'type' in p else ts.Type()
types.append(ty)
lenv[pname] = Symbol(localName(pname), mutable, ty)
out.append(") => ")
lenv['@local'] = types[0] # return type
env[name] = Symbol(jsname, mutable, tuple(types))
conv(lenv, t['body'], out)
if voidCheck == str(types[0]):
types[0] = ts.Void
return ts.Void
def ForStmt(env: Env, t, out):
if(t['each'].tag == 'Name'):
name = t['each'].asString()
else:
perror(env, t['each'], '変数名が欲しいところです')
return ts.Void
out.append(f'for (let {name} of ')
ty = check(ts.Type('list[__]'), env,
t['list'], out, msg='ここはリストでなければなりません')
out.append(')')
ty = ts.typeOfSeq(ty)
with Env(env) as env:
env[name] = Symbol(localName(name), True, ty)
env['inloop'] = True
conv(env, t['body'], out)
return ts.Void
def emitUndefined(env: Env, t, out):
out.append('undefined')
return ts.Type()