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#
#
# The Nimrod Compiler
# (c) Copyright 2010 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
# implements the command dispatcher and several commands as well as the
# module handling
import
llstream, strutils, ast, astalgo, scanner, syntaxes, rnimsyn, options, msgs,
os, lists, condsyms, rodread, rodwrite, ropes, trees,
wordrecg, sem, semdata, idents, passes, docgen, extccomp,
cgen, ecmasgen,
platform, interact, nimconf, importer, passaux, depends, transf, evals, types
const
has_LLVM_Backend = false
when has_LLVM_Backend:
import llvmgen
proc MainCommand*(cmd, filename: string)
# implementation
# ------------------ module handling -----------------------------------------
type
TFileModuleRec{.final.} = object
filename*: string
module*: PSym
TFileModuleMap = seq[TFileModuleRec]
var compMods: TFileModuleMap = @ []
proc registerModule(filename: string, module: PSym) =
# all compiled modules
var length = len(compMods)
setlen(compMods, length + 1)
compMods[length].filename = filename
compMods[length].module = module
proc getModule(filename: string): PSym =
for i in countup(0, high(compMods)):
if sameFile(compMods[i].filename, filename):
return compMods[i].module
proc newModule(filename: string): PSym =
# We cannot call ``newSym`` here, because we have to circumvent the ID
# mechanism, which we do in order to assign each module a persistent ID.
new(result)
result.id = - 1 # for better error checking
result.kind = skModule
result.name = getIdent(splitFile(filename).name)
if not isNimrodIdentifier(result.name.s):
rawMessage(errIdentifierExpected, result.name.s)
result.owner = result # a module belongs to itself
result.info = newLineInfo(filename, 1, 1)
incl(result.flags, sfUsed)
initStrTable(result.tab)
RegisterModule(filename, result)
StrTableAdd(result.tab, result) # a module knows itself
proc CompileModule(filename: string, isMainFile, isSystemFile: bool): PSym
proc importModule(filename: string): PSym =
# this is called by the semantic checking phase
result = getModule(filename)
if result == nil:
# compile the module
result = compileModule(filename, false, false)
elif sfSystemModule in result.flags:
liMessage(result.info, errAttemptToRedefine, result.Name.s)
proc CompileModule(filename: string, isMainFile, isSystemFile: bool): PSym =
var rd: PRodReader = nil
var f = addFileExt(filename, nimExt)
result = newModule(filename)
if isMainFile: incl(result.flags, sfMainModule)
if isSystemFile: incl(result.flags, sfSystemModule)
if (gCmd == cmdCompileToC) or (gCmd == cmdCompileToCpp):
rd = handleSymbolFile(result, f)
if result.id < 0:
InternalError("handleSymbolFile should have set the module\'s ID")
else:
result.id = getID()
processModule(result, f, nil, rd)
proc CompileProject(filename: string) =
discard CompileModule(JoinPath(options.libpath, addFileExt("system", nimExt)),
false, true)
discard CompileModule(addFileExt(filename, nimExt), true, false)
proc semanticPasses() =
registerPass(verbosePass())
registerPass(sem.semPass())
registerPass(transf.transfPass())
proc CommandGenDepend(filename: string) =
semanticPasses()
registerPass(genDependPass())
registerPass(cleanupPass())
compileProject(filename)
generateDot(filename)
execExternalProgram("dot -Tpng -o" & changeFileExt(filename, "png") & ' ' &
changeFileExt(filename, "dot"))
proc CommandCheck(filename: string) =
semanticPasses() # use an empty backend for semantic checking only
compileProject(filename)
proc CommandCompileToC(filename: string) =
semanticPasses()
registerPass(cgen.cgenPass())
registerPass(rodwrite.rodwritePass())
#registerPass(cleanupPass())
compileProject(filename)
extccomp.CallCCompiler(changeFileExt(filename, ""))
when has_LLVM_Backend:
proc CommandCompileToLLVM(filename: string) =
semanticPasses()
registerPass(llvmgen.llvmgenPass())
registerPass(rodwrite.rodwritePass())
#registerPass(cleanupPass())
compileProject(filename)
proc CommandCompileToEcmaScript(filename: string) =
incl(gGlobalOptions, optSafeCode)
setTarget(osEcmaScript, cpuEcmaScript)
initDefines()
semanticPasses()
registerPass(ecmasgenPass())
compileProject(filename)
proc CommandInteractive() =
incl(gGlobalOptions, optSafeCode)
setTarget(osNimrodVM, cpuNimrodVM)
initDefines()
registerPass(verbosePass())
registerPass(sem.semPass())
registerPass(transf.transfPass())
registerPass(evals.evalPass()) # load system module:
discard CompileModule(JoinPath(options.libpath, addFileExt("system", nimExt)),
false, true)
var m = newModule("stdin")
m.id = getID()
incl(m.flags, sfMainModule)
processModule(m, "stdin", LLStreamOpenStdIn(), nil)
proc CommandPretty(filename: string) =
var module = parseFile(addFileExt(filename, NimExt))
if module != nil:
renderModule(module, getOutFile(filename, "pretty." & NimExt))
proc CommandScan(filename: string) =
var f = addFileExt(filename, nimExt)
var stream = LLStreamOpen(f, fmRead)
if stream != nil:
var
L: TLexer
tok: PToken
new(tok)
openLexer(L, f, stream)
while true:
rawGetTok(L, tok^)
PrintTok(tok)
if tok.tokType == tkEof: break
CloseLexer(L)
else:
rawMessage(errCannotOpenFile, f)
proc WantFile(filename: string) =
if filename == "":
liMessage(newLineInfo("command line", 1, 1), errCommandExpectsFilename)
proc MainCommand(cmd, filename: string) =
appendStr(searchPaths, options.libpath)
if filename != "":
# current path is always looked first for modules
prependStr(searchPaths, splitFile(filename).dir)
setID(100)
passes.gIncludeFile = syntaxes.parseFile
passes.gImportModule = importModule
case whichKeyword(cmd)
of wCompile, wCompileToC, wC, wCC:
# compile means compileToC currently
gCmd = cmdCompileToC
wantFile(filename)
CommandCompileToC(filename)
of wCompileToCpp:
gCmd = cmdCompileToCpp
wantFile(filename)
CommandCompileToC(filename)
of wCompileToEcmaScript:
gCmd = cmdCompileToEcmaScript
wantFile(filename)
CommandCompileToEcmaScript(filename)
of wCompileToLLVM:
gCmd = cmdCompileToLLVM
wantFile(filename)
when has_LLVM_Backend:
CommandCompileToLLVM(filename)
of wPretty:
gCmd = cmdPretty
wantFile(filename) #CommandExportSymbols(filename);
CommandPretty(filename)
of wDoc:
gCmd = cmdDoc
LoadSpecialConfig(DocConfig)
wantFile(filename)
CommandDoc(filename)
of wRst2html:
gCmd = cmdRst2html
LoadSpecialConfig(DocConfig)
wantFile(filename)
CommandRst2Html(filename)
of wRst2tex:
gCmd = cmdRst2tex
LoadSpecialConfig(DocTexConfig)
wantFile(filename)
CommandRst2TeX(filename)
of wGenDepend:
gCmd = cmdGenDepend
wantFile(filename)
CommandGenDepend(filename)
of wListDef:
gCmd = cmdListDef
condsyms.ListSymbols()
of wCheck:
gCmd = cmdCheck
wantFile(filename)
CommandCheck(filename)
of wParse:
gCmd = cmdParse
wantFile(filename)
discard parseFile(addFileExt(filename, nimExt))
of wScan:
gCmd = cmdScan
wantFile(filename)
CommandScan(filename)
MessageOut("Beware: Indentation tokens depend on the parser\'s state!")
of wI:
gCmd = cmdInteractive
CommandInteractive()
else: rawMessage(errInvalidCommandX, cmd)
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