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#
#
# The Nimrod Compiler
# (c) Copyright 2011 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
import
os, lists, strutils, strtabs
const
hasTinyCBackend* = defined(tinyc)
type # please make sure we have under 32 options
# (improves code efficiency a lot!)
TOption* = enum # **keep binary compatible**
optNone, optObjCheck, optFieldCheck, optRangeCheck, optBoundsCheck,
optOverflowCheck, optNilCheck,
optNaNCheck, optInfCheck,
optAssert, optLineDir, optWarns, optHints,
optOptimizeSpeed, optOptimizeSize, optStackTrace, # stack tracing support
optLineTrace, # line tracing support (includes stack tracing)
optEndb, # embedded debugger
optByRef, # use pass by ref for objects
# (for interfacing with C)
optProfiler # profiler turned on
TOptions* = set[TOption]
TGlobalOption* = enum
gloptNone, optForceFullMake, optBoehmGC, optRefcGC, optDeadCodeElim,
optListCmd, optCompileOnly, optNoLinking,
optSafeCode, # only allow safe code
optCDebug, # turn on debugging information
optGenDynLib, # generate a dynamic library
optGenGuiApp, # generate a GUI application
optGenScript, # generate a script file to compile the *.c files
optGenMapping, # generate a mapping file
optRun, # run the compiled project
optSymbolFiles, # use symbol files for speeding up compilation
optSkipConfigFile, # skip the general config file
optSkipProjConfigFile, # skip the project's config file
optNoMain, # do not generate a "main" proc
optThreads, # support for multi-threading
optStdout, # output to stdout
optSuggest, # ideTools: 'suggest'
optContext, # ideTools: 'context'
optDef, # ideTools: 'def'
optThreadAnalysis # thread analysis pass
TGlobalOptions* = set[TGlobalOption]
TCommands* = enum # Nimrod's commands
cmdNone, cmdCompileToC, cmdCompileToCpp, cmdCompileToOC,
cmdCompileToEcmaScript, cmdCompileToLLVM, cmdInterpret, cmdPretty, cmdDoc,
cmdGenDepend, cmdDump,
cmdCheck, # semantic checking for whole project
cmdParse, # parse a single file (for debugging)
cmdScan, # scan a single file (for debugging)
cmdIdeTools, # ide tools
cmdDef, # def feature (find definition for IDEs)
cmdRst2html, # convert a reStructuredText file to HTML
cmdRst2tex, # convert a reStructuredText file to TeX
cmdInteractive, # start interactive session
cmdRun # run the project via TCC backend
TStringSeq* = seq[string]
const
ChecksOptions* = {optObjCheck, optFieldCheck, optRangeCheck, optNilCheck,
optOverflowCheck, optBoundsCheck, optAssert, optNaNCheck, optInfCheck}
var
gOptions*: TOptions = {optObjCheck, optFieldCheck, optRangeCheck,
optBoundsCheck, optOverflowCheck, optAssert, optWarns,
optHints, optStackTrace, optLineTrace}
gGlobalOptions*: TGlobalOptions = {optRefcGC, optThreadAnalysis}
gExitcode*: int8
searchPaths*: TLinkedList
outFile*: string = ""
gIndexFile*: string = ""
gCmd*: TCommands = cmdNone # the command
gVerbosity*: int # how verbose the compiler is
gNumberOfProcessors*: int # number of processors
proc FindFile*(f: string): string
const
genSubDir* = "nimcache"
NimExt* = "nim"
RodExt* = "rod"
HtmlExt* = "html"
TexExt* = "tex"
IniExt* = "ini"
DocConfig* = "nimdoc.cfg"
DocTexConfig* = "nimdoc.tex.cfg"
proc completeGeneratedFilePath*(f: string, createSubDir: bool = true): string
proc toGeneratedFile*(path, ext: string): string
# converts "/home/a/mymodule.nim", "rod" to "/home/a/nimcache/mymodule.rod"
proc getPrefixDir*(): string
# gets the application directory
# additional configuration variables:
var
gConfigVars*: PStringTable
libpath*: string = ""
projectPath*: string = ""
gKeepComments*: bool = true # whether the parser needs to keep comments
gImplicitMods*: TStringSeq = @[] # modules that are to be implicitly imported
proc existsConfigVar*(key: string): bool
proc getConfigVar*(key: string): string
proc setConfigVar*(key, val: string)
proc addImplicitMod*(filename: string)
proc binaryStrSearch*(x: openarray[string], y: string): int
# implementation
proc existsConfigVar(key: string): bool =
result = hasKey(gConfigVars, key)
proc getConfigVar(key: string): string =
result = gConfigVars[key]
proc setConfigVar(key, val: string) =
gConfigVars[key] = val
proc getOutFile*(filename, ext: string): string =
if options.outFile != "": result = options.outFile
else: result = changeFileExt(filename, ext)
proc addImplicitMod(filename: string) =
var length = len(gImplicitMods)
setlen(gImplicitMods, length + 1)
gImplicitMods[length] = filename
proc getPrefixDir(): string =
result = SplitPath(getAppDir()).head
proc shortenDir(dir: string): string =
# returns the interesting part of a dir
var prefix = getPrefixDir() & dirSep
if startsWith(dir, prefix):
return substr(dir, len(prefix))
prefix = getCurrentDir() & dirSep
if startsWith(dir, prefix):
return substr(dir, len(prefix))
prefix = projectPath & dirSep #writeln(output, prefix);
#writeln(output, dir);
if startsWith(dir, prefix):
return substr(dir, len(prefix))
result = dir
proc removeTrailingDirSep*(path: string): string =
if (len(path) > 0) and (path[len(path) - 1] == dirSep):
result = substr(path, 0, len(path) - 2)
else:
result = path
proc toGeneratedFile(path, ext: string): string =
var (head, tail) = splitPath(path)
if len(head) > 0: head = shortenDir(head & dirSep)
result = joinPath([projectPath, genSubDir, head, changeFileExt(tail, ext)])
proc completeGeneratedFilePath(f: string, createSubDir: bool = true): string =
var (head, tail) = splitPath(f)
if len(head) > 0: head = removeTrailingDirSep(shortenDir(head & dirSep))
var subdir = joinPath([projectPath, genSubDir, head])
if createSubDir:
try:
createDir(subdir)
except EOS:
writeln(stdout, "cannot create directory: " & subdir)
quit(1)
result = joinPath(subdir, tail)
iterator iterSearchPath*(): string =
var it = PStrEntry(SearchPaths.head)
while it != nil:
yield it.data
it = PStrEntry(it.Next)
proc rawFindFile(f: string): string =
if ExistsFile(f):
result = f
else:
for it in iterSearchPath():
result = JoinPath(it, f)
if ExistsFile(result): return
result = ""
proc FindFile(f: string): string =
result = rawFindFile(f)
if len(result) == 0: result = rawFindFile(toLower(f))
proc binaryStrSearch(x: openarray[string], y: string): int =
var a = 0
var b = len(x) - 1
while a <= b:
var mid = (a + b) div 2
var c = cmpIgnoreCase(x[mid], y)
if c < 0:
a = mid + 1
elif c > 0:
b = mid - 1
else:
return mid
result = - 1
gConfigVars = newStringTable(modeStyleInsensitive)
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