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Diffstat (limited to 'tools/nimresolve.nim')
| -rw-r--r-- | tools/nimresolve.nim | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/tools/nimresolve.nim b/tools/nimresolve.nim deleted file mode 100644 index 9af24df5a..000000000 --- a/tools/nimresolve.nim +++ /dev/null @@ -1,158 +0,0 @@ -# -# -# The Nim Compiler -# (c) Copyright 2017 Andreas Rumpf -# -# See the file "copying.txt", included in this -# distribution, for details about the copyright. -# - -## Standard tool that resolves import paths. - -import - os, strutils, parseopt - -import "../compiler/nimblecmd" - -# You can change these constants to build you own adapted resolver. -const - considerParentDirs = not defined(noParentProjects) - considerNimbleDirs = not defined(noNimbleDirs) - -const - Version = "1.0" - Usage = "nimresolve - Nim Resolve Package Path Version " & Version & """ - - (c) 2017 Andreas Rumpf -Usage: - nimresolve [options] package -Options: - --source:FILE the file that requests to resolve 'package' - --stdlib:PATH the path to use for the standard library - --project:FILE the main '.nim' file that was passed to the Nim compiler - --subdir:EXPR the subdir part in: 'import $pkg / subdir' - --noNimblePath do not search the Nimble path to resolve the package -""" - -proc writeHelp() = - stdout.write(Usage) - stdout.flushFile() - quit(0) - -proc writeVersion() = - stdout.write(Version & "\n") - stdout.flushFile() - quit(0) - -type - Task = object - source, stdlib, subdir, project, pkg: string - noNimblePath: bool - -proc findInNimbleDir(t: Task; dir: string): bool = - var best = "" - var bestv = "" - for k, p in os.walkDir(dir, relative=true): - if k == pcDir and p.len > t.pkg.len+1 and - p[t.pkg.len] == '-' and p.startsWith(t.pkg): - let (_, a) = getPathVersion(p) - if bestv.len == 0 or bestv < a: - bestv = a - best = dir / p - - if best.len > 0: - var f: File - if open(f, best / changeFileExt(t.pkg, ".nimble-link")): - # the second line contains what we're interested in, see: - # https://github.com/nim-lang/nimble#nimble-link - var override = "" - discard readLine(f, override) - discard readLine(f, override) - close(f) - if not override.isAbsolute(): - best = best / override - else: - best = override - let f = if t.subdir.len == 0: t.pkg else: t.subdir - let res = addFileExt(best / f, "nim") - if best.len > 0 and fileExists(res): - echo res - result = true - -const stdlibDirs = [ - "pure", "core", "arch", - "pure/collections", - "pure/concurrency", "impure", - "wrappers", "wrappers/linenoise", - "windows", "posix", "js"] - -proc resolve(t: Task) = - template attempt(a) = - let x = addFileExt(a, "nim") - if fileExists(x): - echo x - return - - case t.pkg - of "stdlib": - if t.subdir.len == 0: - echo t.stdlib - return - else: - for candidate in stdlibDirs: - attempt(t.stdlib / candidate / t.subdir) - of "root": - let root = t.project.splitFile.dir - if t.subdir.len == 0: - echo root - return - else: - attempt(root / t.subdir) - else: - when considerParentDirs: - var p = parentDir(t.source.splitFile.dir) - # support 'import $karax': - let f = if t.subdir.len == 0: t.pkg else: t.subdir - - while p.len > 0: - let dir = p / t.pkg - if dirExists(dir): - attempt(dir / f) - # 2nd attempt: try to use 'karax/karax' - attempt(dir / t.pkg / f) - # 3rd attempt: try to use 'karax/src/karax' - attempt(dir / "src" / f) - attempt(dir / "src" / t.pkg / f) - p = parentDir(p) - - when considerNimbleDirs: - if not t.noNimblePath: - if findInNimbleDir(t, getHomeDir() / ".nimble" / "pkgs"): return - when not defined(windows): - if findInNimbleDir(t, "/opt/nimble/pkgs"): return - - quit "cannot resolve: " & (t.pkg / t.subdir) - -proc main = - var t: Task - t.subdir = "" - for kind, key, val in getopt(): - case kind - of cmdArgument: - t.pkg = key - of cmdLongoption, cmdShortOption: - case normalize(key) - of "source": t.source = val - of "stdlib": t.stdlib = val - of "project": t.project = val - of "subdir": t.subdir = val - of "nonimblepath": t.noNimblePath = true - of "help", "h": writeHelp() - of "version", "v": writeVersion() - else: writeHelp() - of cmdEnd: assert(false) # cannot happen - if t.pkg.len == 0: - quit "[Error] no package to resolve." - resolve(t) - -main() |