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expression.h
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expression.h
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// Compiler implementation of the D programming language
// Copyright (c) 1999-2011 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.
#ifndef DMD_EXPRESSION_H
#define DMD_EXPRESSION_H
#include "mars.h"
#include "identifier.h"
#include "lexer.h"
#include "arraytypes.h"
#include "intrange.h"
struct Type;
struct Scope;
struct TupleDeclaration;
struct VarDeclaration;
struct FuncDeclaration;
struct FuncLiteralDeclaration;
struct Declaration;
struct CtorDeclaration;
struct NewDeclaration;
struct Dsymbol;
struct Import;
struct Module;
struct ScopeDsymbol;
struct InlineCostState;
struct InlineDoState;
struct InlineScanState;
struct Expression;
struct Declaration;
struct AggregateDeclaration;
struct StructDeclaration;
struct TemplateInstance;
struct TemplateDeclaration;
struct ClassDeclaration;
struct HdrGenState;
struct BinExp;
struct InterState;
struct Symbol; // back end symbol
struct OverloadSet;
struct Initializer;
struct StringExp;
enum TOK;
// Back end
struct IRState;
struct dt_t;
#ifdef IN_GCC
union tree_node; typedef union tree_node elem;
#else
struct elem;
#endif
void initPrecedence();
typedef int (*apply_fp_t)(Expression *, void *);
Expression *resolveProperties(Scope *sc, Expression *e);
void accessCheck(Loc loc, Scope *sc, Expression *e, Declaration *d);
Expression *build_overload(Loc loc, Scope *sc, Expression *ethis, Expression *earg, Dsymbol *d);
Dsymbol *search_function(ScopeDsymbol *ad, Identifier *funcid);
void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs);
void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs);
void expandTuples(Expressions *exps);
TupleDeclaration *isAliasThisTuple(Expression *e);
int expandAliasThisTuples(Expressions *exps, int starti = 0);
FuncDeclaration *hasThis(Scope *sc);
Expression *fromConstInitializer(int result, Expression *e);
int arrayExpressionCanThrow(Expressions *exps, bool mustNotThrow);
TemplateDeclaration *getFuncTemplateDecl(Dsymbol *s);
void valueNoDtor(Expression *e);
void modifyFieldVar(Loc loc, Scope *sc, VarDeclaration *var, Expression *e1);
/* Interpreter: what form of return value expression is required?
*/
enum CtfeGoal
{ ctfeNeedRvalue, // Must return an Rvalue
ctfeNeedLvalue, // Must return an Lvalue
ctfeNeedAnyValue, // Can return either an Rvalue or an Lvalue
ctfeNeedLvalueRef,// Must return a reference to an Lvalue (for ref types)
ctfeNeedNothing // The return value is not required
};
struct Expression : Object
{
Loc loc; // file location
enum TOK op; // handy to minimize use of dynamic_cast
Type *type; // !=NULL means that semantic() has been run
unsigned char size; // # of bytes in Expression so we can copy() it
unsigned char parens; // if this is a parenthesized expression
Expression(Loc loc, enum TOK op, int size);
Expression *copy();
virtual Expression *syntaxCopy();
virtual int apply(apply_fp_t fp, void *param);
virtual Expression *semantic(Scope *sc);
Expression *trySemantic(Scope *sc);
int dyncast() { return DYNCAST_EXPRESSION; } // kludge for template.isExpression()
void print();
char *toChars();
virtual void dump(int indent);
void error(const char *format, ...);
void warning(const char *format, ...);
virtual int rvalue();
static Expression *combine(Expression *e1, Expression *e2);
static Expressions *arraySyntaxCopy(Expressions *exps);
virtual dinteger_t toInteger();
virtual uinteger_t toUInteger();
virtual real_t toReal();
virtual real_t toImaginary();
virtual complex_t toComplex();
virtual StringExp *toString();
virtual void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
virtual void toMangleBuffer(OutBuffer *buf);
virtual int isLvalue();
virtual Expression *toLvalue(Scope *sc, Expression *e);
virtual Expression *modifiableLvalue(Scope *sc, Expression *e);
virtual Expression *implicitCastTo(Scope *sc, Type *t);
virtual MATCH implicitConvTo(Type *t);
virtual IntRange getIntRange();
virtual Expression *castTo(Scope *sc, Type *t);
virtual void checkEscape();
virtual void checkEscapeRef();
virtual Expression *resolveLoc(Loc loc, Scope *sc);
void checkScalar();
void checkNoBool();
Expression *checkIntegral();
Expression *checkArithmetic();
void checkDeprecated(Scope *sc, Dsymbol *s);
void checkPurity(Scope *sc, FuncDeclaration *f);
void checkPurity(Scope *sc, VarDeclaration *v, Expression *e1);
void checkSafety(Scope *sc, FuncDeclaration *f);
virtual Expression *checkToBoolean(Scope *sc);
virtual Expression *addDtorHook(Scope *sc);
Expression *checkToPointer();
Expression *addressOf(Scope *sc);
Expression *deref();
Expression *integralPromotions(Scope *sc);
Expression *isTemp();
Expression *toDelegate(Scope *sc, Type *t);
virtual Expression *optimize(int result);
#define WANTflags 1
#define WANTvalue 2
// A compile-time result is required. Give an error if not possible
#define WANTinterpret 4
// Same as WANTvalue, but also expand variables as far as possible
#define WANTexpand 8
virtual Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
virtual int isConst();
virtual int isBool(int result);
virtual int isBit();
bool hasSideEffect();
void discardValue();
void useValue();
int canThrow(bool mustNotThrow);
virtual int inlineCost3(InlineCostState *ics);
virtual Expression *doInline(InlineDoState *ids);
virtual Expression *inlineScan(InlineScanState *iss);
Expression *inlineCopy(Scope *sc);
// For operator overloading
virtual int isCommutative();
virtual Identifier *opId();
virtual Identifier *opId_r();
// For array ops
virtual void buildArrayIdent(OutBuffer *buf, Expressions *arguments);
virtual Expression *buildArrayLoop(Parameters *fparams);
int isArrayOperand();
// Back end
virtual elem *toElem(IRState *irs);
elem *toElemDtor(IRState *irs);
virtual dt_t **toDt(dt_t **pdt);
};
struct IntegerExp : Expression
{
dinteger_t value;
IntegerExp(Loc loc, dinteger_t value, Type *type);
IntegerExp(dinteger_t value);
int equals(Object *o);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
char *toChars();
void dump(int indent);
IntRange getIntRange();
dinteger_t toInteger();
real_t toReal();
real_t toImaginary();
complex_t toComplex();
int isConst();
int isBool(int result);
MATCH implicitConvTo(Type *t);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
Expression *toLvalue(Scope *sc, Expression *e);
elem *toElem(IRState *irs);
dt_t **toDt(dt_t **pdt);
};
struct ErrorExp : IntegerExp
{
ErrorExp();
Expression *implicitCastTo(Scope *sc, Type *t);
Expression *castTo(Scope *sc, Type *t);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
Expression *toLvalue(Scope *sc, Expression *e);
};
struct RealExp : Expression
{
real_t value;
RealExp(Loc loc, real_t value, Type *type);
int equals(Object *o);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
char *toChars();
dinteger_t toInteger();
uinteger_t toUInteger();
real_t toReal();
real_t toImaginary();
complex_t toComplex();
Expression *castTo(Scope *sc, Type *t);
int isConst();
int isBool(int result);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
elem *toElem(IRState *irs);
dt_t **toDt(dt_t **pdt);
};
struct ComplexExp : Expression
{
complex_t value;
ComplexExp(Loc loc, complex_t value, Type *type);
int equals(Object *o);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
char *toChars();
dinteger_t toInteger();
uinteger_t toUInteger();
real_t toReal();
real_t toImaginary();
complex_t toComplex();
Expression *castTo(Scope *sc, Type *t);
int isConst();
int isBool(int result);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
OutBuffer hexp;
elem *toElem(IRState *irs);
dt_t **toDt(dt_t **pdt);
};
struct IdentifierExp : Expression
{
Identifier *ident;
Declaration *var;
IdentifierExp(Loc loc, Identifier *ident);
IdentifierExp(Loc loc, Declaration *var);
Expression *semantic(Scope *sc);
char *toChars();
void dump(int indent);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
};
struct DollarExp : IdentifierExp
{
DollarExp(Loc loc);
};
struct DsymbolExp : Expression
{
Dsymbol *s;
int hasOverloads;
DsymbolExp(Loc loc, Dsymbol *s, int hasOverloads = 0);
Expression *semantic(Scope *sc);
char *toChars();
void dump(int indent);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
};
struct ThisExp : Expression
{
Declaration *var;
ThisExp(Loc loc);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
int isBool(int result);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
int inlineCost3(InlineCostState *ics);
Expression *doInline(InlineDoState *ids);
//Expression *inlineScan(InlineScanState *iss);
elem *toElem(IRState *irs);
};
struct SuperExp : ThisExp
{
SuperExp(Loc loc);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
Expression *doInline(InlineDoState *ids);
//Expression *inlineScan(InlineScanState *iss);
};
struct NullExp : Expression
{
unsigned char committed; // !=0 if type is committed
NullExp(Loc loc, Type *t = NULL);
int equals(Object *o);
Expression *semantic(Scope *sc);
int isBool(int result);
int isConst();
StringExp *toString();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
elem *toElem(IRState *irs);
dt_t **toDt(dt_t **pdt);
};
struct StringExp : Expression
{
void *string; // char, wchar, or dchar data
size_t len; // number of chars, wchars, or dchars
unsigned char sz; // 1: char, 2: wchar, 4: dchar
unsigned char committed; // !=0 if type is committed
unsigned char postfix; // 'c', 'w', 'd'
bool ownedByCtfe; // true = created in CTFE
StringExp(Loc loc, char *s);
StringExp(Loc loc, void *s, size_t len);
StringExp(Loc loc, void *s, size_t len, unsigned char postfix);
//Expression *syntaxCopy();
int equals(Object *o);
char *toChars();
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
size_t length();
StringExp *toString();
StringExp *toUTF8(Scope *sc);
Expression *implicitCastTo(Scope *sc, Type *t);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
int compare(Object *obj);
int isBool(int result);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
Expression *modifiableLvalue(Scope *sc, Expression *e);
unsigned charAt(size_t i);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
elem *toElem(IRState *irs);
dt_t **toDt(dt_t **pdt);
};
// Tuple
struct TupleExp : Expression
{
Expressions *exps;
TupleExp(Loc loc, Expressions *exps);
TupleExp(Loc loc, TupleDeclaration *tup);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
int equals(Object *o);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void checkEscape();
Expression *optimize(int result);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
Expression *castTo(Scope *sc, Type *t);
elem *toElem(IRState *irs);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
};
struct ArrayLiteralExp : Expression
{
Expressions *elements;
bool ownedByCtfe; // true = created in CTFE
ArrayLiteralExp(Loc loc, Expressions *elements);
ArrayLiteralExp(Loc loc, Expression *e);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
int isBool(int result);
elem *toElem(IRState *irs);
StringExp *toString();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
Expression *optimize(int result);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
dt_t **toDt(dt_t **pdt);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
};
struct AssocArrayLiteralExp : Expression
{
Expressions *keys;
Expressions *values;
bool ownedByCtfe; // true = created in CTFE
AssocArrayLiteralExp(Loc loc, Expressions *keys, Expressions *values);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
int isBool(int result);
elem *toElem(IRState *irs);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
Expression *optimize(int result);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
};
struct StructLiteralExp : Expression
{
StructDeclaration *sd; // which aggregate this is for
Expressions *elements; // parallels sd->fields[] with
// NULL entries for fields to skip
Type *stype; // final type of result (can be different from sd's type)
Symbol *sym; // back end symbol to initialize with literal
size_t soffset; // offset from start of s
int fillHoles; // fill alignment 'holes' with zero
bool ownedByCtfe; // true = created in CTFE
StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements, Type *stype = NULL);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
Expression *getField(Type *type, unsigned offset);
int getFieldIndex(Type *type, unsigned offset);
elem *toElem(IRState *irs);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
Expression *optimize(int result);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
dt_t **toDt(dt_t **pdt);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
MATCH implicitConvTo(Type *t);
int inlineCost3(InlineCostState *ics);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
};
Expression *typeDotIdExp(Loc loc, Type *type, Identifier *ident);
struct TypeExp : Expression
{
TypeExp(Loc loc, Type *type);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
int rvalue();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
Expression *optimize(int result);
elem *toElem(IRState *irs);
};
struct ScopeExp : Expression
{
ScopeDsymbol *sds;
ScopeExp(Loc loc, ScopeDsymbol *sds);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
elem *toElem(IRState *irs);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
struct TemplateExp : Expression
{
TemplateDeclaration *td;
TemplateExp(Loc loc, TemplateDeclaration *td);
int rvalue();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
struct NewExp : Expression
{
/* thisexp.new(newargs) newtype(arguments)
*/
Expression *thisexp; // if !NULL, 'this' for class being allocated
Expressions *newargs; // Array of Expression's to call new operator
Type *newtype;
Expressions *arguments; // Array of Expression's
CtorDeclaration *member; // constructor function
NewDeclaration *allocator; // allocator function
int onstack; // allocate on stack
NewExp(Loc loc, Expression *thisexp, Expressions *newargs,
Type *newtype, Expressions *arguments);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
Expression *optimize(int result);
elem *toElem(IRState *irs);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
//int inlineCost3(InlineCostState *ics);
Expression *doInline(InlineDoState *ids);
//Expression *inlineScan(InlineScanState *iss);
};
struct NewAnonClassExp : Expression
{
/* thisexp.new(newargs) class baseclasses { } (arguments)
*/
Expression *thisexp; // if !NULL, 'this' for class being allocated
Expressions *newargs; // Array of Expression's to call new operator
ClassDeclaration *cd; // class being instantiated
Expressions *arguments; // Array of Expression's to call class constructor
NewAnonClassExp(Loc loc, Expression *thisexp, Expressions *newargs,
ClassDeclaration *cd, Expressions *arguments);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
#if DMDV2
struct SymbolExp : Expression
{
Declaration *var;
int hasOverloads;
SymbolExp(Loc loc, enum TOK op, int size, Declaration *var, int hasOverloads);
elem *toElem(IRState *irs);
};
#endif
// Offset from symbol
struct SymOffExp : SymbolExp
{
unsigned offset;
SymOffExp(Loc loc, Declaration *var, unsigned offset, int hasOverloads = 0);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void checkEscape();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
int isConst();
int isBool(int result);
Expression *doInline(InlineDoState *ids);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
dt_t **toDt(dt_t **pdt);
};
// Variable
struct VarExp : SymbolExp
{
VarExp(Loc loc, Declaration *var, int hasOverloads = 0);
int equals(Object *o);
Expression *semantic(Scope *sc);
Expression *optimize(int result);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void dump(int indent);
char *toChars();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void checkEscape();
void checkEscapeRef();
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
Expression *modifiableLvalue(Scope *sc, Expression *e);
dt_t **toDt(dt_t **pdt);
int inlineCost3(InlineCostState *ics);
Expression *doInline(InlineDoState *ids);
//Expression *inlineScan(InlineScanState *iss);
};
#if DMDV2
// Overload Set
struct OverExp : Expression
{
OverloadSet *vars;
OverExp(OverloadSet *s);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
};
#endif
// Function/Delegate literal
struct FuncExp : Expression
{
FuncLiteralDeclaration *fd;
TemplateDeclaration *td;
enum TOK tok;
Type *tded;
Scope *scope;
FuncExp(Loc loc, FuncLiteralDeclaration *fd, TemplateDeclaration *td = NULL);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
Expression *semantic(Scope *sc, Expressions *arguments);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
Expression *inferType(Scope *sc, Type *t);
void setType(Type *t);
char *toChars();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
elem *toElem(IRState *irs);
dt_t **toDt(dt_t **pdt);
int inlineCost3(InlineCostState *ics);
//Expression *doInline(InlineDoState *ids);
//Expression *inlineScan(InlineScanState *iss);
};
// Declaration of a symbol
struct DeclarationExp : Expression
{
Dsymbol *declaration;
DeclarationExp(Loc loc, Dsymbol *declaration);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
elem *toElem(IRState *irs);
int inlineCost3(InlineCostState *ics);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
};
struct TypeidExp : Expression
{
Object *obj;
TypeidExp(Loc loc, Object *obj);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
#if DMDV2
struct TraitsExp : Expression
{
Identifier *ident;
Objects *args;
TraitsExp(Loc loc, Identifier *ident, Objects *args);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
#endif
struct HaltExp : Expression
{
HaltExp(Loc loc);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
elem *toElem(IRState *irs);
};
struct IsExp : Expression
{
/* is(targ id tok tspec)
* is(targ id == tok2)
*/
Type *targ;
Identifier *id; // can be NULL
enum TOK tok; // ':' or '=='
Type *tspec; // can be NULL
enum TOK tok2; // 'struct', 'union', 'typedef', etc.
TemplateParameters *parameters;
IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, Type *tspec,
enum TOK tok2, TemplateParameters *parameters);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
/****************************************************************/
struct UnaExp : Expression
{
Expression *e1;
UnaExp(Loc loc, enum TOK op, int size, Expression *e1);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
Expression *optimize(int result);
void dump(int indent);
Expression *interpretCommon(InterState *istate, CtfeGoal goal,
Expression *(*fp)(Type *, Expression *));
Expression *resolveLoc(Loc loc, Scope *sc);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
virtual Expression *op_overload(Scope *sc);
};
struct BinExp : Expression
{
Expression *e1;
Expression *e2;
BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
Expression *semanticp(Scope *sc);
void checkComplexMulAssign();
void checkComplexAddAssign();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
Expression *scaleFactor(Scope *sc);
Expression *typeCombine(Scope *sc);
Expression *optimize(int result);
int isunsigned();
Expression *incompatibleTypes();
void dump(int indent);
Expression *interpretCommon(InterState *istate, CtfeGoal goal,
Expression *(*fp)(Type *, Expression *, Expression *));
Expression *interpretCommon2(InterState *istate, CtfeGoal goal,
Expression *(*fp)(TOK, Type *, Expression *, Expression *));
Expression *interpretAssignCommon(InterState *istate, CtfeGoal goal,
Expression *(*fp)(Type *, Expression *, Expression *), int post = 0);
Expression *arrayOp(Scope *sc);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
Expression *op_overload(Scope *sc);
Expression *compare_overload(Scope *sc, Identifier *id);
elem *toElemBin(IRState *irs, int op);
};
struct BinAssignExp : BinExp
{
BinAssignExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2)
: BinExp(loc, op, size, e1, e2)
{
}
Expression *commonSemanticAssign(Scope *sc);
Expression *commonSemanticAssignIntegral(Scope *sc);
Expression *op_overload(Scope *sc);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *ex);
Expression *modifiableLvalue(Scope *sc, Expression *e);
};
/****************************************************************/
struct CompileExp : UnaExp
{
CompileExp(Loc loc, Expression *e);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
struct FileExp : UnaExp
{
FileExp(Loc loc, Expression *e);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
struct AssertExp : UnaExp
{
Expression *msg;
AssertExp(Loc loc, Expression *e, Expression *msg = NULL);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
elem *toElem(IRState *irs);
};
struct DotIdExp : UnaExp
{
Identifier *ident;
DotIdExp(Loc loc, Expression *e, Identifier *ident);
Expression *semantic(Scope *sc);
Expression *semantic(Scope *sc, int flag);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void dump(int i);
};
struct DotTemplateExp : UnaExp
{
TemplateDeclaration *td;
DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
struct DotVarExp : UnaExp
{
Declaration *var;
int hasOverloads;
DotVarExp(Loc loc, Expression *e, Declaration *var, int hasOverloads = 0);
Expression *semantic(Scope *sc);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
Expression *modifiableLvalue(Scope *sc, Expression *e);
Expression *optimize(int result);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void dump(int indent);
elem *toElem(IRState *irs);
};
struct DotTemplateInstanceExp : UnaExp
{
TemplateInstance *ti;
DotTemplateInstanceExp(Loc loc, Expression *e, Identifier *name, Objects *tiargs);
Expression *syntaxCopy();
TemplateDeclaration *getTempdecl(Scope *sc);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void dump(int indent);
};
struct DelegateExp : UnaExp
{
FuncDeclaration *func;
int hasOverloads;
DelegateExp(Loc loc, Expression *e, FuncDeclaration *func, int hasOverloads = 0);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void dump(int indent);
int inlineCost3(InlineCostState *ics);
elem *toElem(IRState *irs);
};
struct DotTypeExp : UnaExp
{
Dsymbol *sym; // symbol that represents a type
DotTypeExp(Loc loc, Expression *e, Dsymbol *sym);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
elem *toElem(IRState *irs);
};
struct CallExp : UnaExp
{
Expressions *arguments; // function arguments
FuncDeclaration *f; // symbol to call
CallExp(Loc loc, Expression *e, Expressions *exps);
CallExp(Loc loc, Expression *e);
CallExp(Loc loc, Expression *e, Expression *earg1);
CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *resolveUFCS(Scope *sc);
Expression *semantic(Scope *sc);
Expression *optimize(int result);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void dump(int indent);
elem *toElem(IRState *irs);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
Expression *addDtorHook(Scope *sc);
MATCH implicitConvTo(Type *t);
int inlineCost3(InlineCostState *ics);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
};
struct AddrExp : UnaExp
{
AddrExp(Loc loc, Expression *e);
Expression *semantic(Scope *sc);
void checkEscape();
elem *toElem(IRState *irs);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
Expression *optimize(int result);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
};
struct PtrExp : UnaExp
{
PtrExp(Loc loc, Expression *e);
PtrExp(Loc loc, Expression *e, Type *t);
Expression *semantic(Scope *sc);
int isLvalue();
void checkEscapeRef();
Expression *toLvalue(Scope *sc, Expression *e);
Expression *modifiableLvalue(Scope *sc, Expression *e);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
elem *toElem(IRState *irs);
Expression *optimize(int result);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
// For operator overloading
Identifier *opId();
};
struct NegExp : UnaExp
{
NegExp(Loc loc, Expression *e);
Expression *semantic(Scope *sc);
Expression *optimize(int result);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void buildArrayIdent(OutBuffer *buf, Expressions *arguments);
Expression *buildArrayLoop(Parameters *fparams);
IntRange getIntRange();