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discard """
nimout: '''
IntLit 5
proc (x: int): string => typeDesc[proc[string, int]]
proc (x: int): void => typeDesc[proc[void, int]]
proc (x: int) => typeDesc[proc[void, int]]
x => seq[int]
a
s
d
f
TTaa
TTaa
TTaa
TTaa
true
true
nil
42
false
true
'''
output: '''
range[0 .. 100]
array[0 .. 100, int]
10
test
0o377'i8
'''
"""
import macros, parseutils
block t7723:
macro foo1(): untyped =
result = newStmtList()
result.add quote do:
proc init(foo: int, bar: typedesc[int]): int =
foo
#expandMacros:
foo1()
doAssert init(1, int) == 1
block t8706:
macro varargsLen(args:varargs[untyped]): untyped =
doAssert args.kind == nnkArglist
doAssert args.len == 0
result = newLit(args.len)
template bar(a0:varargs[untyped]): untyped =
varargsLen(a0)
template foo(x: int, a0:varargs[untyped]): untyped =
bar(a0)
doAssert foo(42) == 0
doAssert bar() == 0
block t9194:
type
Foo1 = range[0 .. 100]
Foo2 = array[0 .. 100, int]
macro get(T: typedesc): untyped =
# Get the X out of typedesc[X]
let tmp = getTypeImpl(T)
result = newStrLitNode(getTypeImpl(tmp[1]).repr)
echo Foo1.get
echo Foo2.get
block t1944:
template t(e: untyped): untyped =
macro m(eNode: untyped): untyped =
echo eNode.treeRepr
m e
t 5
block t926:
proc test(f: var NimNode) {.compileTime.} =
f = newNimNode(nnkStmtList)
f.add newCall(newIdentNode("echo"), newLit(10))
macro blah(prc: untyped): untyped =
result = prc
test(result)
proc test() {.blah.} =
echo 5
block t2211:
macro showType(t:typed): untyped =
let ty = t.getType
echo t.repr, " => ", ty.repr
showType(proc(x:int): string)
showType(proc(x:int): void)
showType(proc(x:int))
var x: seq[int]
showType(x)
block t1140:
proc parse_until_symbol(node: NimNode, value: string, index: var int): bool {.compiletime.} =
var splitValue: string
var read = value.parseUntil(splitValue, '$', index)
# when false:
if false:
var identifier: string
read = value.parseWhile(identifier, {}, index)
node.add newCall("add", ident("result"), newCall("$", ident(identifier)))
if splitValue.len > 0:
node.insert node.len, newCall("add", ident("result"), newStrLitNode(splitValue))
proc parse_template(node: NimNode, value: string) {.compiletime.} =
var index = 0
while index < value.len and
parse_until_symbol(node, value, index): discard
macro tmpli(body: untyped): typed =
result = newStmtList()
result.add parseExpr("result = \"\"")
result.parse_template body[1].strVal
proc actual: string {.used.} = tmpli html"""
<p>Test!</p>
"""
proc another: string {.used.} = tmpli html"""
<p>what</p>
"""
block tbugs:
type
Foo = object
s: char
iterator test2(f: string): Foo =
for i in f:
yield Foo(s: i)
macro test(): untyped =
for i in test2("asdf"):
echo i.s
test()
# bug 1297
type TType = tuple[s: string]
macro echotest(): untyped =
var t: TType
t.s = ""
t.s.add("test")
result = newCall(newIdentNode("echo"), newStrLitNode(t.s))
echotest()
# bug #1103
type
Td = tuple
a:string
b:int
proc get_data(d: Td) : string {.compileTime.} =
result = d.a # Works if a literal string is used here.
# Bugs if line A or B is active. Works with C
result &= "aa" # A
#result.add("aa") # B
#result = result & "aa" # C
macro m(s:static[Td]) : untyped =
echo get_data(s)
echo get_data(s)
result = newEmptyNode()
const s = ("TT", 3)
m(s)
m(s)
# bug #933
proc nilcheck(): NimNode {.compileTime.} =
echo(result == nil) # true
echo(result.isNil) # true
echo(repr(result)) # nil
macro testnilcheck(): untyped =
result = newNimNode(nnkStmtList)
discard nilcheck()
testnilcheck()
# bug #1323
proc calc(): array[1, int] =
result[0].inc()
result[0].inc()
const c = calc()
doAssert c[0] == 2
# bug #3046
macro sampleMacroInt(i: int): untyped =
echo i.intVal
macro sampleMacroBool(b: bool): untyped =
echo b.boolVal
sampleMacroInt(42)
sampleMacroBool(false)
sampleMacroBool(system.true)
# bug #11131
macro toRendererBug(n): untyped =
result = newLit repr(n)
echo toRendererBug(0o377'i8)
|