From 93a140b904f3604dfb5b1dee773ac78d991aa49d Mon Sep 17 00:00:00 2001 From: Andreas Rumpf Date: Wed, 9 Dec 2009 01:26:09 +0100 Subject: enhancements for cgen.libCandidates --- rod/cgen.nim | 55 ++++++++++++++++++++++++++----------------------------- rod/pragmas.nim | 24 ++++++++---------------- 2 files changed, 34 insertions(+), 45 deletions(-) (limited to 'rod') diff --git a/rod/cgen.nim b/rod/cgen.nim index c3b4f8b2d..c263be103 100755 --- a/rod/cgen.nim +++ b/rod/cgen.nim @@ -326,18 +326,13 @@ include "ccgexprs.nim", "ccgstmts.nim" # We don't finalize dynamic libs as this does the OS for us. proc libCandidates(s: string, dest: var TStringSeq) = - var - prefix, suffix: string - le, ri, L: int - temp: TStringSeq - le = strutils.find(s, '(') - ri = strutils.find(s, ')') - if (le >= 0) and (ri > le): - prefix = copy(s, 0, le - 1) - suffix = copy(s, ri + 1) - temp = split(copy(s, le + 1, ri - 1), {'|'}) - for i in countup(0, high(temp)): - libCandidates(prefix & temp[i] & suffix, dest) + var le = strutils.find(s, '(') + var ri = strutils.find(s, ')', le+1) + if le >= 0 and ri > le: + var prefix = copy(s, 0, le - 1) + var suffix = copy(s, ri + 1) + for middle in split(copy(s, le + 1, ri - 1), {'|'}): + libCandidates(prefix & middle & suffix, dest) else: add(dest, s) @@ -353,13 +348,14 @@ proc loadDynamicLib(m: BModule, lib: PLib) = lib.name = tmp # BUGFIX: useMagic has awful side-effects appff(m.s[cfsVars], "static void* $1;$n", "$1 = linkonce global i8* zeroinitializer$n", [tmp]) - s = @ [] + s = @[] libCandidates(lib.path, s) loadlib = nil for i in countup(0, high(s)): inc(m.labels) if i > 0: app(loadlib, "||") - appff(loadlib, "($1 = nimLoadLibrary((NimStringDesc*) &$2))$n", "%MOC$4 = call i8* @nimLoadLibrary($3 $2)$n" & + appff(loadlib, "($1 = nimLoadLibrary((NimStringDesc*) &$2))$n", + "%MOC$4 = call i8* @nimLoadLibrary($3 $2)$n" & "store i8* %MOC$4, i8** $1$n", [tmp, getStrLit(m, s[i]), getTypeDesc(m, getSysType(tyString)), toRope(m.labels)]) appff(m.s[cfsDynLibInit], @@ -374,15 +370,12 @@ proc loadDynamicLib(m: BModule, lib: PLib) = if lib.name == nil: InternalError("loadDynamicLib") proc SymInDynamicLib(m: BModule, sym: PSym) = - var - lib: PLib - extname, tmp: PRope - lib = sym.annex - extname = sym.loc.r + var lib = sym.annex + var extname = sym.loc.r loadDynamicLib(m, lib) useMagic(m, "nimGetProcAddr") if gCmd == cmdCompileToLLVM: incl(sym.loc.flags, lfIndirect) - tmp = ropeff("Dl_$1", "@Dl_$1", [toRope(sym.id)]) + var tmp = ropeff("Dl_$1", "@Dl_$1", [toRope(sym.id)]) sym.loc.r = tmp # from now on we only need the internal name sym.typ.sym = nil # generate a new name inc(m.labels, 2) @@ -392,12 +385,12 @@ proc SymInDynamicLib(m: BModule, sym: PSym) = "store $2 %MOC$6, $2* $1$n", [tmp, getTypeDesc(m, sym.typ), lib.name, cstringLit(m, m.s[cfsDynLibInit], ropeToStr(extname)), toRope(m.labels), toRope(m.labels - 1)]) - appff(m.s[cfsVars], "$2 $1;$n", "$1 = linkonce global $2 zeroinitializer$n", + appff(m.s[cfsVars], "$2 $1;$n", + "$1 = linkonce global $2 zeroinitializer$n", [sym.loc.r, getTypeDesc(m, sym.loc.t)]) proc UseMagic(m: BModule, name: string) = - var sym: PSym - sym = magicsys.getCompilerProc(name) + var sym = magicsys.getCompilerProc(name) if sym != nil: case sym.kind of skProc, skMethod, skConverter: genProc(m, sym) @@ -426,11 +419,13 @@ proc getFrameDecl(p: BProc) = else: slots = nil appff(p.s[cpsLocals], "volatile struct {TFrame* prev;" & - "NCSTRING procname;NI line;NCSTRING filename;" & "NI len;$n$1} F;$n", - "%TF = type {%TFrame*, i8*, %NI, %NI$1}$n" & "%F = alloca %TF$n", - [slots]) + "NCSTRING procname;NI line;NCSTRING filename;" & + "NI len;$n$1} F;$n", + "%TF = type {%TFrame*, i8*, %NI, %NI$1}$n" & + "%F = alloca %TF$n", [slots]) inc(p.labels) - prepend(p.s[cpsInit], ropeff("F.len = $1;$n", "%LOC$2 = getelementptr %TF %F, %NI 4$n" & + prepend(p.s[cpsInit], ropeff("F.len = $1;$n", + "%LOC$2 = getelementptr %TF %F, %NI 4$n" & "store %NI $1, %NI* %LOC$2$n", [toRope(p.frameLen), toRope(p.labels)])) proc retIsNotVoid(s: PSym): bool = @@ -439,7 +434,8 @@ proc retIsNotVoid(s: PSym): bool = proc initFrame(p: BProc, procname, filename: PRope): PRope = inc(p.labels, 5) result = ropeff("F.procname = $1;$n" & "F.prev = framePtr;$n" & - "F.filename = $2;$n" & "F.line = 0;$n" & "framePtr = (TFrame*)&F;$n", "%LOC$3 = getelementptr %TF %F, %NI 1$n" & + "F.filename = $2;$n" & "F.line = 0;$n" & "framePtr = (TFrame*)&F;$n", + "%LOC$3 = getelementptr %TF %F, %NI 1$n" & "%LOC$4 = getelementptr %TF %F, %NI 0$n" & "%LOC$5 = getelementptr %TF %F, %NI 3$n" & "%LOC$6 = getelementptr %TF %F, %NI 2$n" & "store i8* $1, i8** %LOC$3$n" & @@ -452,7 +448,8 @@ proc initFrame(p: BProc, procname, filename: PRope): PRope = proc deinitFrame(p: BProc): PRope = inc(p.labels, 3) - result = ropeff("framePtr = framePtr->prev;$n", "%LOC$1 = load %TFrame* @framePtr$n" & + result = ropeff("framePtr = framePtr->prev;$n", + "%LOC$1 = load %TFrame* @framePtr$n" & "%LOC$2 = getelementptr %TFrame* %LOC$1, %NI 0$n" & "%LOC$3 = load %TFrame** %LOC$2$n" & "store %TFrame* $LOC$3, %TFrame** @framePtr", [toRope(p.labels), diff --git a/rod/pragmas.nim b/rod/pragmas.nim index 2294e8fb8..71ff3db22 100755 --- a/rod/pragmas.nim +++ b/rod/pragmas.nim @@ -320,17 +320,12 @@ proc noVal(n: PNode) = if n.kind == nkExprColonExpr: invalidPragma(n) proc pragma(c: PContext, sym: PSym, n: PNode, validPragmas: TSpecialWords) = - var - key, it: PNode - k: TSpecialWord - lib: PLib if n == nil: return for i in countup(0, sonsLen(n) - 1): - it = n.sons[i] - if it.kind == nkExprColonExpr: key = it.sons[0] - else: key = it + var it = n.sons[i] + var key = if it.kind == nkExprColonExpr: it.sons[0] else: it if key.kind == nkIdent: - k = whichKeyword(key.ident) + var k = whichKeyword(key.ident) if k in validPragmas: case k of wExportc: @@ -367,7 +362,7 @@ proc pragma(c: PContext, sym: PSym, n: PNode, validPragmas: TSpecialWords) = noval(it) incl(sym.flags, sfMerge) of wHeader: - lib = getLib(c, libHeader, expectStrLit(c, it)) + var lib = getLib(c, libHeader, expectStrLit(c, it)) addToLib(lib, sym) incl(sym.flags, sfImportc) incl(sym.loc.flags, lfHeader) @@ -417,12 +412,9 @@ proc pragma(c: PContext, sym: PSym, n: PNode, validPragmas: TSpecialWords) = of wTypeCheck: noVal(it) incl(sym.flags, sfTypeCheck) - of wHint: - liMessage(it.info, hintUser, expectStrLit(c, it)) - of wWarning: - liMessage(it.info, warnUser, expectStrLit(c, it)) - of wError: - liMessage(it.info, errUser, expectStrLit(c, it)) + of wHint: liMessage(it.info, hintUser, expectStrLit(c, it)) + of wWarning: liMessage(it.info, warnUser, expectStrLit(c, it)) + of wError: liMessage(it.info, errUser, expectStrLit(c, it)) of wFatal: liMessage(it.info, errUser, expectStrLit(c, it)) quit(1) @@ -454,7 +446,7 @@ proc pragma(c: PContext, sym: PSym, n: PNode, validPragmas: TSpecialWords) = if (sym != nil) and (sym.kind != skModule): if (lfExportLib in sym.loc.flags) and not (sfExportc in sym.flags): liMessage(n.info, errDynlibRequiresExportc) - lib = POptionEntry(c.optionstack.tail).dynlib + var lib = POptionEntry(c.optionstack.tail).dynlib if ({lfDynamicLib, lfHeader} * sym.loc.flags == {}) and (sfImportc in sym.flags) and (lib != nil): incl(sym.loc.flags, lfDynamicLib) -- cgit 1.4.1-2-gfad0 previous revision' href='/akspecs/ranger/blame/doc/ranger.html?h=v1.9.0b6&id=4e01caf19cfbc798862e6b8b2dbd77328c8f99a2'>^ 
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