diff options
Diffstat (limited to 'lib/system/nimscript.nim')
| -rw-r--r-- | lib/system/nimscript.nim | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/lib/system/nimscript.nim b/lib/system/nimscript.nim index d587d772f..fc6b8c99d 100644 --- a/lib/system/nimscript.nim +++ b/lib/system/nimscript.nim @@ -39,6 +39,9 @@ proc getCurrentDir(): string = builtin proc rawExec(cmd: string): int {.tags: [ExecIOEffect], raises: [OSError].} = builtin +proc warningImpl(arg, orig: string) = discard +proc hintImpl(arg, orig: string) = discard + proc paramStr*(i: int): string = ## Retrieves the ``i``'th command line parameter. builtin @@ -52,6 +55,31 @@ proc switch*(key: string, val="") = ## example ``switch("checks", "on")``. builtin +proc warning*(name: string; val: bool) = + ## Disables or enables a specific warning. + let v = if val: "on" else: "off" + warningImpl(name & "]:" & v, "warning[" & name & "]:" & v) + +proc hint*(name: string; val: bool) = + ## Disables or enables a specific hint. + let v = if val: "on" else: "off" + hintImpl(name & "]:" & v, "hint[" & name & "]:" & v) + +proc patchFile*(package, filename, replacement: string) = + ## Overrides the location of a given file belonging to the + ## passed package. + ## If the ``replacement`` is not an absolute path, the path + ## is interpreted to be local to the Nimscript file that contains + ## the call to ``patchFile``, Nim's ``--path`` is not used at all + ## to resolve the filename! + ## + ## Example: + ## + ## .. code-block:: nim + ## + ## patchFile("stdlib", "asyncdispatch", "patches/replacement") + discard + proc getCommand*(): string = ## Gets the Nim command that the compiler has been invoked with, for example ## "c", "js", "build", "help". @@ -94,6 +122,10 @@ proc existsDir*(dir: string): bool = ## An alias for ``dirExists``. dirExists(dir) +proc selfExe*(): string = + ## Returns the currently running nim or nimble executable. + builtin + proc toExe*(filename: string): string = ## On Windows adds ".exe" to `filename`, else returns `filename` unmodified. (when defined(windows): filename & ".exe" else: filename) @@ -180,6 +212,15 @@ proc exec*(command: string, input: string, cache = "") {. log "exec: " & command: echo staticExec(command, input, cache) +proc selfExec*(command: string) = + ## Executes an external command with the current nim/nimble executable. + ## ``Command`` must not contain the "nim " part. + let c = selfExe() & " " & command + log "exec: " & c: + if rawExec(c) != 0: + raise newException(OSError, "FAILED: " & c) + checkOsError() + proc put*(key, value: string) = ## Sets a configuration 'key' like 'gcc.options.always' to its value. builtin @@ -206,7 +247,7 @@ proc cd*(dir: string) {.raises: [OSError].} = ## ## The change is permanent for the rest of the execution, since this is just ## a shortcut for `os.setCurrentDir() - ## <http://nim-lang.org/os.html#setCurrentDir,string>`_ . Use the `withDir() + ## <http://nim-lang.org/docs/os.html#setCurrentDir,string>`_ . Use the `withDir() ## <#withDir>`_ template if you want to perform a temporary change only. setCurrentDir(dir) checkOsError() |