Mercurial > projects > ldc
view dmd/version.c @ 468:45a67b6f1310
Removed the 'needsstorage' thing from Dsymbol. Arguments are not always given storage when applicable. This is not longer treat specially
in this regard. Code for accessing nested variables and contexts rewritten. Probably more. Fairly well tested.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Mon, 04 Aug 2008 02:59:34 +0200 |
parents | aaade6ded589 |
children |
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// Copyright (c) 1999-2005 by Digital Mars // All Rights Reserved // written by Walter Bright // http://www.digitalmars.com // License for redistribution is by either the Artistic License // in artistic.txt, or the GNU General Public License in gnu.txt. // See the included readme.txt for details. #include <stdio.h> #include <assert.h> #include "root.h" #include "identifier.h" #include "dsymbol.h" #include "cond.h" #include "version.h" #include "module.h" /* ================================================== */ /* DebugSymbol's happen for statements like: * debug = identifier; * debug = integer; */ DebugSymbol::DebugSymbol(Loc loc, Identifier *ident) : Dsymbol(ident) { this->loc = loc; } DebugSymbol::DebugSymbol(Loc loc, unsigned level) : Dsymbol() { this->level = level; this->loc = loc; } Dsymbol *DebugSymbol::syntaxCopy(Dsymbol *s) { assert(!s); DebugSymbol *ds = new DebugSymbol(loc, ident); ds->level = level; return ds; } int DebugSymbol::addMember(Scope *sc, ScopeDsymbol *sd, int memnum) { //printf("DebugSymbol::addMember('%s') %s\n", sd->toChars(), toChars()); Module *m; // Do not add the member to the symbol table, // just make sure subsequent debug declarations work. m = sd->isModule(); if (ident) { if (!m) error("declaration must be at module level"); else { if (findCondition(m->debugidsNot, ident)) error("defined after use"); if (!m->debugids) m->debugids = new Array(); m->debugids->push(ident->toChars()); } } else { if (!m) error("level declaration must be at module level"); else m->debuglevel = level; } return 0; } void DebugSymbol::semantic(Scope *sc) { //printf("DebugSymbol::semantic() %s\n", toChars()); } void DebugSymbol::toCBuffer(OutBuffer *buf, HdrGenState *hgs) { buf->writestring("debug = "); if (ident) buf->writestring(ident->toChars()); else buf->printf("%u", level); buf->writestring(";"); buf->writenl(); } const char *DebugSymbol::kind() { return "debug"; } /* ================================================== */ /* VersionSymbol's happen for statements like: * version = identifier; * version = integer; */ VersionSymbol::VersionSymbol(Loc loc, Identifier *ident) : Dsymbol(ident) { this->loc = loc; } VersionSymbol::VersionSymbol(Loc loc, unsigned level) : Dsymbol() { this->level = level; this->loc = loc; } Dsymbol *VersionSymbol::syntaxCopy(Dsymbol *s) { assert(!s); VersionSymbol *ds = new VersionSymbol(loc, ident); ds->level = level; return ds; } int VersionSymbol::addMember(Scope *sc, ScopeDsymbol *sd, int memnum) { //printf("VersionSymbol::addMember('%s') %s\n", sd->toChars(), toChars()); Module *m; // Do not add the member to the symbol table, // just make sure subsequent debug declarations work. m = sd->isModule(); if (ident) { VersionCondition::checkPredefined(loc, ident->toChars()); if (!m) error("declaration must be at module level"); else { if (findCondition(m->versionidsNot, ident)) error("defined after use"); if (!m->versionids) m->versionids = new Array(); m->versionids->push(ident->toChars()); } } else { if (!m) error("level declaration must be at module level"); else m->versionlevel = level; } return 0; } void VersionSymbol::semantic(Scope *sc) { } void VersionSymbol::toCBuffer(OutBuffer *buf, HdrGenState *hgs) { buf->writestring("version = "); if (ident) buf->writestring(ident->toChars()); else buf->printf("%u", level); buf->writestring(";"); buf->writenl(); } const char *VersionSymbol::kind() { return "version"; }