File: tcprag.nim

package info (click to toggle)
nim 2.2.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,911,644 kB
  • sloc: sh: 24,603; ansic: 1,761; python: 1,492; makefile: 1,013; sql: 298; asm: 141; xml: 13
file content (32 lines) | stat: -rw-r--r-- 537 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
discard """
  output: '''true
true
true
'''
"""

# issue #7615
import macros

template table(name: string) {.pragma.}

type
   User {.table("tuser").} = object
      id: int
      name: string
      age: int

echo User.hasCustomPragma(table)


## crash: Error: internal error: (filename: "sempass2.nim", line: 560, column: 19)
macro m1(T: typedesc): untyped =
  getAST hasCustomPragma(T, table)
echo m1(User) # Oops crash


## This works
macro m2(T: typedesc): untyped =
  result = quote do:
    `T`.hasCustomPragma(table)
echo m2(User)