nodejs.nim « compiler - Nim - This repository contains the Nim compiler, Nim's stdlib, tools, and documentation. (mirror)

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import os

proc findNodeJs*(): string =
  result = findExe("nodejs")
  if result == "":
    result = findExe("node")

mal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; } span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; } td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; } span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; } .highlight .hll { background-color: #ffffcc } .highlight .c { color: #888888 } /* Comment */ .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */ .highlight .k { color: #008800; font-weight: bold } /* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */

discard """
  joinable: false
"""

## tests that don't quite fit the mold and are easier to handle via `execCmdEx`
## A few others could be added to here to simplify code.

import std/[strformat,os,osproc,strutils]

proc runCmd(file, options = ""): auto =
  let mode = if existsEnv("NIM_COMPILE_TO_CPP"): "cpp" else: "c"
  const nim = getCurrentCompilerExe()
  const testsDir = currentSourcePath().parentDir
  let fileabs = testsDir / file.unixToNativePath
  doAssert fileabs.existsFile, fileabs
  let cmd = fmt"{nim} {mode} {options} --hints:off {fileabs}"
  result = execCmdEx(cmd)
  when false: # uncomment if you need to debug
    echo result[0]
    echo result[1]

when defined(nimHasLibFFIEnabled):
  block: # mevalffi
    let (output, exitCode) = runCmd("vm/mevalffi.nim", "--experimental:compiletimeFFI")
    let expected = """
hello world stderr
hi stderr
foo
foo:100
foo:101
foo:102:103
foo:102:103:104
foo:0.03:asdf:103:105
ret={s1:foobar s2:foobar age:25 pi:3.14}
"""
    doAssert output == expected, output
    doAssert exitCode == 0

else: # don't run twice the same test
  template check(msg) = doAssert msg in output, output

  block: # mstatic_assert
    let (output, exitCode) = runCmd("ccgbugs/mstatic_assert.nim", "-d:caseBad")
    check "sizeof(bool) == 2"
    doAssert exitCode != 0

  block: # ABI checks
    let file = "misc/msizeof5.nim"
    block:
      let (output, exitCode) = runCmd(file, "-d:checkAbi")
      doAssert exitCode == 0, output
    block:
      let (output, exitCode) = runCmd(file, "-d:checkAbi -d:caseBad")
      # on platforms that support _StaticAssert natively, errors will show full context, eg:
      # error: static_assert failed due to requirement 'sizeof(unsigned char) == 8'
      # "backend & Nim disagree on size for: BadImportcType{int64} [declared in mabi_check.nim(1, 6)]"
      check "sizeof(unsigned char) == 8"
      check "sizeof(struct Foo2) == 1"
      check "sizeof(Foo5) == 16"
      check "sizeof(Foo5) == 3"
      check "sizeof(struct Foo6) == "
      doAssert exitCode != 0