mirror of
https://github.com/xomboverlord/ldc.git
synced 2026-01-12 02:43:14 +01:00
03d26e1178
Fixed problems with label collisions when using labels inside inline asm. LabelStatement is now easily reached given its Identifier, which should be useful elsewhere too. Enabled inline asm for building the lib/compiler/llvmdc runtime code, fixing branches out of asm makes this possible.
778 lines
21 KiB
C++
778 lines
21 KiB
C++
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// Compiler implementation of the D programming language
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// Copyright (c) 1999-2008 by Digital Mars
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// All Rights Reserved
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// written by Walter Bright
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// http://www.digitalmars.com
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// License for redistribution is by either the Artistic License
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// in artistic.txt, or the GNU General Public License in gnu.txt.
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// See the included readme.txt for details.
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#ifndef DMD_DECLARATION_H
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#define DMD_DECLARATION_H
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#ifdef __DMC__
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#pragma once
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#endif /* __DMC__ */
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#include <set>
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#include <map>
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#include "dsymbol.h"
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#include "lexer.h"
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#include "mtype.h"
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struct Expression;
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struct Statement;
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struct LabelDsymbol;
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struct LabelStatement;
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struct Initializer;
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struct Module;
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struct InlineScanState;
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struct ForeachStatement;
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struct FuncDeclaration;
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struct ExpInitializer;
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struct StructDeclaration;
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struct TupleType;
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struct InterState;
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struct IRState;
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enum PROT;
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enum LINK;
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enum TOK;
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enum MATCH;
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enum STC
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{
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STCundefined = 0,
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STCstatic = 1,
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STCextern = 2,
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STCconst = 4,
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STCfinal = 8,
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STCabstract = 0x10,
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STCparameter = 0x20,
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STCfield = 0x40,
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STCoverride = 0x80,
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STCauto = 0x100,
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STCsynchronized = 0x200,
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STCdeprecated = 0x400,
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STCin = 0x800, // in parameter
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STCout = 0x1000, // out parameter
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STClazy = 0x2000, // lazy parameter
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STCforeach = 0x4000, // variable for foreach loop
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STCcomdat = 0x8000, // should go into COMDAT record
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STCvariadic = 0x10000, // variadic function argument
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STCctorinit = 0x20000, // can only be set inside constructor
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STCtemplateparameter = 0x40000, // template parameter
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STCscope = 0x80000, // template parameter
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STCinvariant = 0x100000,
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STCref = 0x200000,
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STCinit = 0x400000, // has explicit initializer
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STCmanifest = 0x800000, // manifest constant
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STCnodtor = 0x1000000, // don't run destructor
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STCnothrow = 0x2000000, // never throws exceptions
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STCpure = 0x4000000, // pure function
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STCtls = 0x8000000, // thread local
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};
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struct Match
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{
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int count; // number of matches found
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MATCH last; // match level of lastf
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FuncDeclaration *lastf; // last matching function we found
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FuncDeclaration *nextf; // current matching function
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FuncDeclaration *anyf; // pick a func, any func, to use for error recovery
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};
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void overloadResolveX(Match *m, FuncDeclaration *f, Expressions *arguments);
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int overloadApply(FuncDeclaration *fstart,
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int (*fp)(void *, FuncDeclaration *),
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void *param);
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/**************************************************************/
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struct Declaration : Dsymbol
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{
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Type *type;
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Type *originalType; // before semantic analysis
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unsigned storage_class;
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enum PROT protection;
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enum LINK linkage;
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Declaration(Identifier *id);
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void semantic(Scope *sc);
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char *kind();
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unsigned size(Loc loc);
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void checkModify(Loc loc, Scope *sc, Type *t);
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void emitComment(Scope *sc);
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void toDocBuffer(OutBuffer *buf);
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char *mangle();
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int isStatic() { return storage_class & STCstatic; }
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virtual int isStaticConstructor();
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virtual int isStaticDestructor();
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virtual int isDelete();
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virtual int isDataseg();
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virtual int isCodeseg();
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int isCtorinit() { return storage_class & STCctorinit; }
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int isFinal() { return storage_class & STCfinal; }
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int isAbstract() { return storage_class & STCabstract; }
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int isConst() { return storage_class & STCconst; }
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int isInvariant() { return 0; }
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int isAuto() { return storage_class & STCauto; }
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int isScope() { return storage_class & (STCscope | STCauto); }
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int isSynchronized() { return storage_class & STCsynchronized; }
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int isParameter() { return storage_class & STCparameter; }
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int isDeprecated() { return storage_class & STCdeprecated; }
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int isOverride() { return storage_class & STCoverride; }
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int isIn() { return storage_class & STCin; }
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int isOut() { return storage_class & STCout; }
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int isRef() { return storage_class & STCref; }
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enum PROT prot();
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Declaration *isDeclaration() { return this; }
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// llvm
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virtual void toObjFile(); // compile to .obj file
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};
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/**************************************************************/
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struct TupleDeclaration : Declaration
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{
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Objects *objects;
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int isexp; // 1: expression tuple
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TypeTuple *tupletype; // !=NULL if this is a type tuple
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TupleDeclaration(Loc loc, Identifier *ident, Objects *objects);
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Dsymbol *syntaxCopy(Dsymbol *);
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char *kind();
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Type *getType();
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int needThis();
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TupleDeclaration *isTupleDeclaration() { return this; }
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};
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/**************************************************************/
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struct TypedefDeclaration : Declaration
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{
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Type *basetype;
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Initializer *init;
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int sem; // 0: semantic() has not been run
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// 1: semantic() is in progress
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// 2: semantic() has been run
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// 3: semantic2() has been run
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int inuse; // used to detect typedef cycles
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TypedefDeclaration(Loc loc, Identifier *ident, Type *basetype, Initializer *init);
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Dsymbol *syntaxCopy(Dsymbol *);
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void semantic(Scope *sc);
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void semantic2(Scope *sc);
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char *mangle();
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char *kind();
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Type *getType();
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void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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#ifdef _DH
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Type *htype;
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Type *hbasetype;
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#endif
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void toDocBuffer(OutBuffer *buf);
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void toObjFile(); // compile to .obj file
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void toDebug();
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int cvMember(unsigned char *p);
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TypedefDeclaration *isTypedefDeclaration() { return this; }
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Symbol *sinit;
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Symbol *toInitializer();
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};
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/**************************************************************/
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struct AliasDeclaration : Declaration
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{
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Dsymbol *aliassym;
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Dsymbol *overnext; // next in overload list
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int inSemantic;
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AliasDeclaration(Loc loc, Identifier *ident, Type *type);
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AliasDeclaration(Loc loc, Identifier *ident, Dsymbol *s);
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Dsymbol *syntaxCopy(Dsymbol *);
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void semantic(Scope *sc);
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int overloadInsert(Dsymbol *s);
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char *kind();
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Type *getType();
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Dsymbol *toAlias();
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void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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#ifdef _DH
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Type *htype;
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Dsymbol *haliassym;
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#endif
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void toDocBuffer(OutBuffer *buf);
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AliasDeclaration *isAliasDeclaration() { return this; }
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};
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/**************************************************************/
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struct VarDeclaration : Declaration
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{
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Initializer *init;
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unsigned offset;
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int noauto; // no auto semantics
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int nestedref; // referenced by a lexically nested function
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int inuse;
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int ctorinit; // it has been initialized in a ctor
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int onstack; // 1: it has been allocated on the stack
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// 2: on stack, run destructor anyway
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int canassign; // it can be assigned to
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Dsymbol *aliassym; // if redone as alias to another symbol
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Expression *value; // when interpreting, this is the value
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// (NULL if value not determinable)
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VarDeclaration(Loc loc, Type *t, Identifier *id, Initializer *init);
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Dsymbol *syntaxCopy(Dsymbol *);
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void semantic(Scope *sc);
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void semantic2(Scope *sc);
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char *kind();
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void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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#ifdef _DH
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Type *htype;
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Initializer *hinit;
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#endif
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int needThis();
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int isImportedSymbol();
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int isDataseg();
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int hasPointers();
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Expression *callAutoDtor();
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ExpInitializer *getExpInitializer();
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void checkCtorConstInit();
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void checkNestedReference(Scope *sc, Loc loc);
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Dsymbol *toAlias();
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Symbol *toSymbol();
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void toObjFile(); // compile to .obj file
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int cvMember(unsigned char *p);
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// Eliminate need for dynamic_cast
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VarDeclaration *isVarDeclaration() { return (VarDeclaration *)this; }
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// LLVMDC
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bool needsStorage;
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};
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/**************************************************************/
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// This is a shell around a back end symbol
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struct SymbolDeclaration : Declaration
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{
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Symbol *sym;
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StructDeclaration *dsym;
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SymbolDeclaration(Loc loc, Symbol *s, StructDeclaration *dsym);
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Symbol *toSymbol();
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// Eliminate need for dynamic_cast
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SymbolDeclaration *isSymbolDeclaration() { return (SymbolDeclaration *)this; }
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};
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struct ClassInfoDeclaration : VarDeclaration
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{
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ClassDeclaration *cd;
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ClassInfoDeclaration(ClassDeclaration *cd);
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Dsymbol *syntaxCopy(Dsymbol *);
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void semantic(Scope *sc);
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void emitComment(Scope *sc);
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Symbol *toSymbol();
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ClassInfoDeclaration* isClassInfoDeclaration() { return this; }
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};
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struct ModuleInfoDeclaration : VarDeclaration
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{
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Module *mod;
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ModuleInfoDeclaration(Module *mod);
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Dsymbol *syntaxCopy(Dsymbol *);
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void semantic(Scope *sc);
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void emitComment(Scope *sc);
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Symbol *toSymbol();
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};
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struct TypeInfoDeclaration : VarDeclaration
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{
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Type *tinfo;
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TypeInfoDeclaration(Type *tinfo, int internal);
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Dsymbol *syntaxCopy(Dsymbol *);
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void semantic(Scope *sc);
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void emitComment(Scope *sc);
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Symbol *toSymbol();
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void toObjFile(); // compile to .obj file
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virtual void toDt(dt_t **pdt);
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virtual TypeInfoDeclaration* isTypeInfoDeclaration() { return this; }
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// LLVMDC
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virtual void llvmDeclare();
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virtual void llvmDefine();
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};
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struct TypeInfoStructDeclaration : TypeInfoDeclaration
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{
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TypeInfoStructDeclaration(Type *tinfo);
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void toDt(dt_t **pdt);
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// LLVMDC
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void llvmDeclare();
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void llvmDefine();
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};
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struct TypeInfoClassDeclaration : TypeInfoDeclaration
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{
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TypeInfoClassDeclaration(Type *tinfo);
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void toDt(dt_t **pdt);
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// LLVMDC
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void llvmDeclare();
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void llvmDefine();
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};
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struct TypeInfoInterfaceDeclaration : TypeInfoDeclaration
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{
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TypeInfoInterfaceDeclaration(Type *tinfo);
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void toDt(dt_t **pdt);
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// LLVMDC
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void llvmDeclare();
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void llvmDefine();
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};
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struct TypeInfoTypedefDeclaration : TypeInfoDeclaration
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{
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TypeInfoTypedefDeclaration(Type *tinfo);
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void toDt(dt_t **pdt);
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// LLVMDC
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void llvmDeclare();
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void llvmDefine();
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};
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struct TypeInfoPointerDeclaration : TypeInfoDeclaration
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{
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TypeInfoPointerDeclaration(Type *tinfo);
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void toDt(dt_t **pdt);
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// LLVMDC
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void llvmDeclare();
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void llvmDefine();
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};
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struct TypeInfoArrayDeclaration : TypeInfoDeclaration
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{
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TypeInfoArrayDeclaration(Type *tinfo);
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void toDt(dt_t **pdt);
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// LLVMDC
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void llvmDeclare();
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void llvmDefine();
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};
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struct TypeInfoStaticArrayDeclaration : TypeInfoDeclaration
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{
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TypeInfoStaticArrayDeclaration(Type *tinfo);
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void toDt(dt_t **pdt);
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// LLVMDC
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void llvmDeclare();
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void llvmDefine();
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};
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struct TypeInfoAssociativeArrayDeclaration : TypeInfoDeclaration
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{
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TypeInfoAssociativeArrayDeclaration(Type *tinfo);
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void toDt(dt_t **pdt);
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// LLVMDC
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void llvmDeclare();
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void llvmDefine();
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};
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struct TypeInfoEnumDeclaration : TypeInfoDeclaration
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{
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TypeInfoEnumDeclaration(Type *tinfo);
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void toDt(dt_t **pdt);
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// LLVMDC
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void llvmDeclare();
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void llvmDefine();
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};
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struct TypeInfoFunctionDeclaration : TypeInfoDeclaration
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{
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TypeInfoFunctionDeclaration(Type *tinfo);
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void toDt(dt_t **pdt);
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// LLVMDC
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void llvmDeclare();
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void llvmDefine();
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};
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struct TypeInfoDelegateDeclaration : TypeInfoDeclaration
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{
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TypeInfoDelegateDeclaration(Type *tinfo);
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void toDt(dt_t **pdt);
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// LLVMDC
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void llvmDeclare();
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void llvmDefine();
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};
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struct TypeInfoTupleDeclaration : TypeInfoDeclaration
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{
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TypeInfoTupleDeclaration(Type *tinfo);
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void toDt(dt_t **pdt);
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// LLVMDC
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void llvmDeclare();
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void llvmDefine();
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};
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struct ThisDeclaration : VarDeclaration
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{
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ThisDeclaration(Type *t);
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Dsymbol *syntaxCopy(Dsymbol *);
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};
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enum ILS
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{
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ILSuninitialized, // not computed yet
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ILSno, // cannot inline
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ILSyes, // can inline
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};
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/**************************************************************/
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#if V2
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enum BUILTIN
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{
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BUILTINunknown = -1, // not known if this is a builtin
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BUILTINnot, // this is not a builtin
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BUILTINsin, // std.math.sin
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BUILTINcos, // std.math.cos
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BUILTINtan, // std.math.tan
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BUILTINsqrt, // std.math.sqrt
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BUILTINfabs, // std.math.fabs
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};
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Expression *eval_builtin(enum BUILTIN builtin, Expressions *arguments);
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#endif
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struct FuncDeclaration : Declaration
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{
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Array *fthrows; // Array of Type's of exceptions (not used)
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Statement *frequire;
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Statement *fensure;
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Statement *fbody;
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Identifier *outId; // identifier for out statement
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VarDeclaration *vresult; // variable corresponding to outId
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LabelDsymbol *returnLabel; // where the return goes
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DsymbolTable *localsymtab; // used to prevent symbols in different
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// scopes from having the same name
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VarDeclaration *vthis; // 'this' parameter (member and nested)
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VarDeclaration *v_arguments; // '_arguments' parameter
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#if IN_GCC
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VarDeclaration *v_argptr; // '_argptr' variable
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#endif
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Dsymbols *parameters; // Array of VarDeclaration's for parameters
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DsymbolTable *labtab; // statement label symbol table
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Declaration *overnext; // next in overload list
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Loc endloc; // location of closing curly bracket
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int vtblIndex; // for member functions, index into vtbl[]
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int naked; // !=0 if naked
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int inlineAsm; // !=0 if has inline assembler
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ILS inlineStatus;
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int inlineNest; // !=0 if nested inline
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int cantInterpret; // !=0 if cannot interpret function
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int semanticRun; // !=0 if semantic3() had been run
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// this function's frame ptr
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ForeachStatement *fes; // if foreach body, this is the foreach
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int introducing; // !=0 if 'introducing' function
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Type *tintro; // if !=NULL, then this is the type
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// of the 'introducing' function
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// this one is overriding
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int inferRetType; // !=0 if return type is to be inferred
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Scope *scope; // !=NULL means context to use
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// Things that should really go into Scope
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int hasReturnExp; // 1 if there's a return exp; statement
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// 2 if there's a throw statement
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// 4 if there's an assert(0)
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// 8 if there's inline asm
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// Support for NRVO (named return value optimization)
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int nrvo_can; // !=0 means we can do it
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VarDeclaration *nrvo_var; // variable to replace with shidden
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Symbol *shidden; // hidden pointer passed to function
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#if V2
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enum BUILTIN builtin; // set if this is a known, builtin
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// function we can evaluate at compile
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// time
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int tookAddressOf; // set if someone took the address of
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// this function
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Dsymbols closureVars; // local variables in this function
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// which are referenced by nested
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// functions
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#else
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int nestedFrameRef; // !=0 if nested variables referenced
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#endif
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FuncDeclaration(Loc loc, Loc endloc, Identifier *id, enum STC storage_class, Type *type);
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Dsymbol *syntaxCopy(Dsymbol *);
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void semantic(Scope *sc);
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void semantic2(Scope *sc);
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void semantic3(Scope *sc);
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void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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void bodyToCBuffer(OutBuffer *buf, HdrGenState *hgs);
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int overrides(FuncDeclaration *fd);
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int findVtblIndex(Array *vtbl, int dim);
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int overloadInsert(Dsymbol *s);
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FuncDeclaration *overloadExactMatch(Type *t);
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FuncDeclaration *overloadResolve(Loc loc, Expressions *arguments);
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LabelDsymbol *searchLabel(Identifier *ident);
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AggregateDeclaration *isThis();
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AggregateDeclaration *isMember2();
|
|
int getLevel(Loc loc, FuncDeclaration *fd); // lexical nesting level difference
|
|
void appendExp(Expression *e);
|
|
void appendState(Statement *s);
|
|
char *mangle();
|
|
int isMain();
|
|
int isWinMain();
|
|
int isDllMain();
|
|
int isExport();
|
|
int isImportedSymbol();
|
|
int isAbstract();
|
|
int isCodeseg();
|
|
virtual int isNested();
|
|
int needThis();
|
|
virtual int isVirtual();
|
|
virtual int addPreInvariant();
|
|
virtual int addPostInvariant();
|
|
Expression *interpret(InterState *istate, Expressions *arguments);
|
|
void inlineScan();
|
|
int canInline(int hasthis, int hdrscan = 0);
|
|
Expression *doInline(InlineScanState *iss, Expression *ethis, Array *arguments);
|
|
char *kind();
|
|
void toDocBuffer(OutBuffer *buf);
|
|
|
|
static FuncDeclaration *genCfunc(Type *treturn, char *name);
|
|
static FuncDeclaration *genCfunc(Type *treturn, Identifier *id);
|
|
|
|
Symbol *toSymbol();
|
|
Symbol *toThunkSymbol(int offset); // thunk version
|
|
void toObjFile(); // compile to .obj file
|
|
int cvMember(unsigned char *p);
|
|
|
|
FuncDeclaration *isFuncDeclaration() { return this; }
|
|
|
|
// llvmdc stuff
|
|
bool runTimeHack;
|
|
std::set<VarDeclaration*> nestedVars;
|
|
|
|
// we keep our own table of label statements as LabelDsymbolS
|
|
// don't always carry their corresponding statement along ...
|
|
typedef std::map<const char*, LabelStatement*> LabelMap;
|
|
LabelMap labmap;
|
|
};
|
|
|
|
struct FuncAliasDeclaration : FuncDeclaration
|
|
{
|
|
FuncDeclaration *funcalias;
|
|
|
|
FuncAliasDeclaration(FuncDeclaration *funcalias);
|
|
|
|
FuncAliasDeclaration *isFuncAliasDeclaration() { return this; }
|
|
char *kind();
|
|
Symbol *toSymbol();
|
|
};
|
|
|
|
struct FuncLiteralDeclaration : FuncDeclaration
|
|
{
|
|
enum TOK tok; // TOKfunction or TOKdelegate
|
|
|
|
FuncLiteralDeclaration(Loc loc, Loc endloc, Type *type, enum TOK tok,
|
|
ForeachStatement *fes);
|
|
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
Dsymbol *syntaxCopy(Dsymbol *);
|
|
int isNested();
|
|
|
|
FuncLiteralDeclaration *isFuncLiteralDeclaration() { return this; }
|
|
char *kind();
|
|
};
|
|
|
|
struct CtorDeclaration : FuncDeclaration
|
|
{ Arguments *arguments;
|
|
int varargs;
|
|
|
|
CtorDeclaration(Loc loc, Loc endloc, Arguments *arguments, int varargs);
|
|
Dsymbol *syntaxCopy(Dsymbol *);
|
|
void semantic(Scope *sc);
|
|
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
char *kind();
|
|
char *toChars();
|
|
int isVirtual();
|
|
int addPreInvariant();
|
|
int addPostInvariant();
|
|
void toDocBuffer(OutBuffer *buf);
|
|
|
|
CtorDeclaration *isCtorDeclaration() { return this; }
|
|
};
|
|
|
|
struct DtorDeclaration : FuncDeclaration
|
|
{
|
|
DtorDeclaration(Loc loc, Loc endloc);
|
|
DtorDeclaration(Loc loc, Loc endloc, Identifier *id);
|
|
Dsymbol *syntaxCopy(Dsymbol *);
|
|
void semantic(Scope *sc);
|
|
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
int isVirtual();
|
|
int addPreInvariant();
|
|
int addPostInvariant();
|
|
int overloadInsert(Dsymbol *s);
|
|
void emitComment(Scope *sc);
|
|
|
|
DtorDeclaration *isDtorDeclaration() { return this; }
|
|
};
|
|
|
|
struct StaticCtorDeclaration : FuncDeclaration
|
|
{
|
|
StaticCtorDeclaration(Loc loc, Loc endloc);
|
|
Dsymbol *syntaxCopy(Dsymbol *);
|
|
void semantic(Scope *sc);
|
|
AggregateDeclaration *isThis();
|
|
int isStaticConstructor();
|
|
int isVirtual();
|
|
int addPreInvariant();
|
|
int addPostInvariant();
|
|
void emitComment(Scope *sc);
|
|
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
|
StaticCtorDeclaration *isStaticCtorDeclaration() { return this; }
|
|
};
|
|
|
|
struct StaticDtorDeclaration : FuncDeclaration
|
|
{
|
|
StaticDtorDeclaration(Loc loc, Loc endloc);
|
|
Dsymbol *syntaxCopy(Dsymbol *);
|
|
void semantic(Scope *sc);
|
|
AggregateDeclaration *isThis();
|
|
int isStaticDestructor();
|
|
int isVirtual();
|
|
int addPreInvariant();
|
|
int addPostInvariant();
|
|
void emitComment(Scope *sc);
|
|
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
|
StaticDtorDeclaration *isStaticDtorDeclaration() { return this; }
|
|
};
|
|
|
|
struct InvariantDeclaration : FuncDeclaration
|
|
{
|
|
InvariantDeclaration(Loc loc, Loc endloc);
|
|
Dsymbol *syntaxCopy(Dsymbol *);
|
|
void semantic(Scope *sc);
|
|
int isVirtual();
|
|
int addPreInvariant();
|
|
int addPostInvariant();
|
|
void emitComment(Scope *sc);
|
|
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
|
InvariantDeclaration *isInvariantDeclaration() { return this; }
|
|
};
|
|
|
|
|
|
struct UnitTestDeclaration : FuncDeclaration
|
|
{
|
|
UnitTestDeclaration(Loc loc, Loc endloc);
|
|
Dsymbol *syntaxCopy(Dsymbol *);
|
|
void semantic(Scope *sc);
|
|
AggregateDeclaration *isThis();
|
|
int isVirtual();
|
|
int addPreInvariant();
|
|
int addPostInvariant();
|
|
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
|
UnitTestDeclaration *isUnitTestDeclaration() { return this; }
|
|
};
|
|
|
|
struct NewDeclaration : FuncDeclaration
|
|
{ Arguments *arguments;
|
|
int varargs;
|
|
|
|
NewDeclaration(Loc loc, Loc endloc, Arguments *arguments, int varargs);
|
|
Dsymbol *syntaxCopy(Dsymbol *);
|
|
void semantic(Scope *sc);
|
|
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
char *kind();
|
|
int isVirtual();
|
|
int addPreInvariant();
|
|
int addPostInvariant();
|
|
|
|
NewDeclaration *isNewDeclaration() { return this; }
|
|
};
|
|
|
|
|
|
struct DeleteDeclaration : FuncDeclaration
|
|
{ Arguments *arguments;
|
|
|
|
DeleteDeclaration(Loc loc, Loc endloc, Arguments *arguments);
|
|
Dsymbol *syntaxCopy(Dsymbol *);
|
|
void semantic(Scope *sc);
|
|
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
char *kind();
|
|
int isDelete();
|
|
int isVirtual();
|
|
int addPreInvariant();
|
|
int addPostInvariant();
|
|
#ifdef _DH
|
|
DeleteDeclaration *isDeleteDeclaration() { return this; }
|
|
#endif
|
|
};
|
|
|
|
#endif /* DMD_DECLARATION_H */
|