Mercurial > projects > ldc
view dmd/mangle.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 | 571959608194 |
children | 55f6c2e454d7 |
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// Compiler implementation of the D programming language // Copyright (c) 1999-2007 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 <string.h> #include <ctype.h> #include <assert.h> #include "root.h" #include "init.h" #include "declaration.h" #include "aggregate.h" #include "mtype.h" #include "attrib.h" #include "template.h" #include "id.h" #include "module.h" char *mangle(Declaration *sthis) { OutBuffer buf; char *id; Dsymbol *s; //printf("::mangle(%s)\n", sthis->toChars()); s = sthis; do { //printf("mangle: s = %p, '%s', parent = %p\n", s, s->toChars(), s->parent); if (s->ident) { FuncDeclaration *fd = s->isFuncDeclaration(); if (s != sthis && fd) { id = mangle(fd); buf.prependstring(id); goto L1; } else { id = s->ident->toChars(); int len = strlen(id); char tmp[sizeof(len) * 3 + 1]; buf.prependstring(id); sprintf(tmp, "%d", len); buf.prependstring(tmp); } } else buf.prependstring("0"); s = s->parent; } while (s); // buf.prependstring("_D"); L1: //printf("deco = '%s'\n", sthis->type->deco ? sthis->type->deco : "null"); //printf("sthis->type = %s\n", sthis->type->toChars()); FuncDeclaration *fd = sthis->isFuncDeclaration(); if (fd && (fd->needThis() || fd->isNested())) buf.writeByte(Type::needThisPrefix()); if (sthis->type->deco) buf.writestring(sthis->type->deco); else { assert(fd->inferRetType); } id = buf.toChars(); buf.data = NULL; return id; } char *Declaration::mangle() #if __DMC__ __out(result) { int len = strlen(result); assert(len > 0); //printf("mangle: '%s' => '%s'\n", toChars(), result); for (int i = 0; i < len; i++) { assert(result[i] == '_' || result[i] == '@' || isalnum(result[i]) || result[i] & 0x80); } } __body #endif { //printf("Declaration::mangle(this = %p, '%s', parent = '%s', linkage = %d)\n", this, toChars(), parent ? parent->toChars() : "null", linkage); if (!parent || parent->isModule()) // if at global scope { // If it's not a D declaration, no mangling switch (linkage) { case LINKd: break; case LINKc: case LINKwindows: case LINKpascal: case LINKcpp: return ident->toChars(); case LINKdefault: error("forward declaration"); return ident->toChars(); default: fprintf(stdmsg, "'%s', linkage = %d\n", toChars(), linkage); assert(0); } } char *p = ::mangle(this); OutBuffer buf; buf.writestring("_D"); buf.writestring(p); p = buf.toChars(); buf.data = NULL; //printf("Declaration::mangle(this = %p, '%s', parent = '%s', linkage = %d) = %s\n", this, toChars(), parent ? parent->toChars() : "null", linkage, p); return p; } char *FuncDeclaration::mangle() #if __DMC__ __out(result) { assert(strlen(result) > 0); } __body #endif { if (isMain()) return "_Dmain"; if (isWinMain() || isDllMain()) return ident->toChars(); assert(this); return Declaration::mangle(); } char *StructDeclaration::mangle() { //printf("StructDeclaration::mangle() '%s'\n", toChars()); return Dsymbol::mangle(); } char *TypedefDeclaration::mangle() { //printf("TypedefDeclaration::mangle() '%s'\n", toChars()); return Dsymbol::mangle(); } char *ClassDeclaration::mangle() { Dsymbol *parentsave = parent; //printf("ClassDeclaration::mangle() %s.%s\n", parent->toChars(), toChars()); /* These are reserved to the compiler, so keep simple * names for them. */ if (ident == Id::Exception) { if (parent->ident == Id::object) parent = NULL; } else if (ident == Id::TypeInfo || // ident == Id::Exception || ident == Id::TypeInfo_Struct || ident == Id::TypeInfo_Class || ident == Id::TypeInfo_Typedef || ident == Id::TypeInfo_Tuple || this == object || this == classinfo || this == Module::moduleinfo || memcmp(ident->toChars(), "TypeInfo_", 9) == 0 ) parent = NULL; char *id = Dsymbol::mangle(); parent = parentsave; return id; } char *TemplateInstance::mangle() { OutBuffer buf; char *id; #if 0 printf("TemplateInstance::mangle() %s", toChars()); if (parent) printf(" parent = %s %s", parent->kind(), parent->toChars()); printf("\n"); #endif id = ident ? ident->toChars() : toChars(); if (tempdecl->parent) { char *p = tempdecl->parent->mangle(); if (p[0] == '_' && p[1] == 'D') p += 2; buf.writestring(p); } buf.printf("%"PRIuSIZE"%s", strlen(id), id); id = buf.toChars(); buf.data = NULL; //printf("TemplateInstance::mangle() %s = %s\n", toChars(), id); return id; } char *TemplateMixin::mangle() { OutBuffer buf; char *id; #if 0 printf("TemplateMixin::mangle() %s", toChars()); if (parent) printf(" parent = %s %s", parent->kind(), parent->toChars()); printf("\n"); #endif id = ident ? ident->toChars() : toChars(); if (parent) { char *p = parent->mangle(); if (p[0] == '_' && p[1] == 'D') p += 2; buf.writestring(p); } buf.printf("%"PRIuSIZE"%s", strlen(id), id); id = buf.toChars(); buf.data = NULL; //printf("TemplateMixin::mangle() %s = %s\n", toChars(), id); return id; } char *Dsymbol::mangle() { OutBuffer buf; char *id; #if 0 printf("Dsymbol::mangle() '%s'", toChars()); if (parent) printf(" parent = %s %s", parent->kind(), parent->toChars()); printf("\n"); #endif id = ident ? ident->toChars() : toChars(); if (parent) { char *p = parent->mangle(); if (p[0] == '_' && p[1] == 'D') p += 2; buf.writestring(p); } buf.printf("%"PRIuSIZE"%s", strlen(id), id); id = buf.toChars(); buf.data = NULL; //printf("Dsymbol::mangle() %s = %s\n", toChars(), id); return id; }