- loc
Loc loc;
Undocumented in source.
- type
Type type;
Undocumented in source.
- op
TOK op;
Undocumented in source.
- size
ubyte size;
Undocumented in source.
- parens
ubyte parens;
Undocumented in source.
- _init
void _init()
Undocumented in source. Be warned that the author may not have intended to support it.
- copy
Expression copy()
Does *not* do a deep copy.
- syntaxCopy
Expression syntaxCopy()
Undocumented in source. Be warned that the author may not have intended to support it.
- semantic
Expression semantic(Scope* sc)
Semantically analyze Expression.
Determine types, fold constants, etc.
- trySemantic
Expression trySemantic(Scope* sc)
Try to run semantic routines.
If they fail, return NULL.
- dyncast
int dyncast()
Undocumented in source. Be warned that the author may not have intended to support it.
- print
void print()
Undocumented in source. Be warned that the author may not have intended to support it.
- toChars
const(char)* toChars()
Undocumented in source. Be warned that the author may not have intended to support it.
- printAST
void printAST(int indent)
Print AST data structure in a nice format.
- error
void error(const(char)* format, ...)
Undocumented in source. Be warned that the author may not have intended to support it.
- warning
void warning(const(char)* format, ...)
Undocumented in source. Be warned that the author may not have intended to support it.
- deprecation
void deprecation(const(char)* format, ...)
Undocumented in source. Be warned that the author may not have intended to support it.
- combine
Expression combine(Expression e1, Expression e2)
Combine e1 and e2 by CommaExp if both are not NULL.
- extractLast
Expression extractLast(Expression e, Expression* pe0)
If 'e' is a tree of commas, returns the leftmost expression
by stripping off it from the tree. The remained part of the tree
is returned via *pe0.
Otherwise 'e' is directly returned and *pe0 is set to NULL.
- arraySyntaxCopy
Expressions* arraySyntaxCopy(Expressions* exps)
Undocumented in source. Be warned that the author may not have intended to support it.
- toInteger
dinteger_t toInteger()
Undocumented in source. Be warned that the author may not have intended to support it.
- toUInteger
uinteger_t toUInteger()
Undocumented in source. Be warned that the author may not have intended to support it.
- toReal
real_t toReal()
Undocumented in source. Be warned that the author may not have intended to support it.
- toImaginary
real_t toImaginary()
Undocumented in source. Be warned that the author may not have intended to support it.
- toComplex
complex_t toComplex()
Undocumented in source. Be warned that the author may not have intended to support it.
- toStringExp
StringExp toStringExp()
Undocumented in source. Be warned that the author may not have intended to support it.
- isLvalue
bool isLvalue()
Return !=0 if expression is an lvalue.
- toLvalue
Expression toLvalue(Scope* sc, Expression e)
Give error if we're not an lvalue.
If we can, convert expression to be an lvalue.
- modifiableLvalue
Expression modifiableLvalue(Scope* sc, Expression e)
Undocumented in source. Be warned that the author may not have intended to support it.
- implicitCastTo
Expression implicitCastTo(Scope* sc, Type t)
Undocumented in source. Be warned that the author may not have intended to support it.
- implicitConvTo
MATCH implicitConvTo(Type t)
Undocumented in source. Be warned that the author may not have intended to support it.
- castTo
Expression castTo(Scope* sc, Type t)
Undocumented in source. Be warned that the author may not have intended to support it.
- resolveLoc
Expression resolveLoc(Loc loc, Scope* sc)
Resolve __FILE__, __LINE__, __MODULE__, __FUNCTION__, __PRETTY_FUNCTION__ to loc.
- checkType
bool checkType()
Check that the expression has a valid type.
If not, generates an error "... has no type".
- checkValue
bool checkValue()
Check that the expression has a valid value.
If not, generates an error "... has no value".
- checkScalar
bool checkScalar()
Undocumented in source. Be warned that the author may not have intended to support it.
- checkNoBool
bool checkNoBool()
Undocumented in source. Be warned that the author may not have intended to support it.
- checkIntegral
bool checkIntegral()
Undocumented in source. Be warned that the author may not have intended to support it.
- checkArithmetic
bool checkArithmetic()
Undocumented in source. Be warned that the author may not have intended to support it.
- checkDeprecated
void checkDeprecated(Scope* sc, Dsymbol s)
Undocumented in source. Be warned that the author may not have intended to support it.
- checkPurity
bool checkPurity(Scope* sc, FuncDeclaration f)
Calling function f.
Check the purity, i.e. if we're in a pure function
we can only call other pure functions.
Returns true if error occurs.
- checkPurity
bool checkPurity(Scope* sc, VarDeclaration v)
Accessing variable v.
Check for purity and safety violations.
Returns true if error occurs.
- checkSafety
bool checkSafety(Scope* sc, FuncDeclaration f)
Calling function f.
Check the safety, i.e. if we're in a @safe function
we can only call @safe or @trusted functions.
Returns true if error occurs.
- checkNogc
bool checkNogc(Scope* sc, FuncDeclaration f)
Calling function f.
Check the @nogc-ness, i.e. if we're in a @nogc function
we can only call other @nogc functions.
Returns true if error occurs.
- checkPostblit
bool checkPostblit(Scope* sc, Type t)
Check that the postblit is callable if t is an array of structs.
Returns true if error happens.
- checkRightThis
bool checkRightThis(Scope* sc)
Undocumented in source. Be warned that the author may not have intended to support it.
- checkReadModifyWrite
bool checkReadModifyWrite(TOK rmwOp, Expression ex)
Check whether the expression allows RMW operations, error with rmw operator diagnostic if not.
ex is the RHS expression, or NULL if ++/-- is used (for diagnostics)
Returns true if error occurs.
- checkModifiable
int checkModifiable(Scope* sc, int flag)
- toBoolean
Expression toBoolean(Scope* sc)
If expression can be tested for true or false,
returns the modified expression.
Otherwise returns ErrorExp.
- addDtorHook
Expression addDtorHook(Scope* sc)
Destructors are attached to VarDeclarations.
Hence, if expression returns a temp that needs a destructor,
make sure and create a VarDeclaration for that temp.
- addressOf
Expression addressOf()
Take address of expression.
- deref
Expression deref()
If this is a reference, dereference it.
- optimize
Expression optimize(int result, bool keepLvalue)
Undocumented in source. Be warned that the author may not have intended to support it.
- ctfeInterpret
Expression ctfeInterpret()
Undocumented in source. Be warned that the author may not have intended to support it.
- isConst
int isConst()
Undocumented in source. Be warned that the author may not have intended to support it.
- isBool
bool isBool(bool result)
Does this expression statically evaluate to a boolean 'result' (true or false)?
- op_overload
Expression op_overload(Scope* sc)
Undocumented in source. Be warned that the author may not have intended to support it.
- accept
void accept(Visitor v)
Undocumented in source. Be warned that the author may not have intended to support it.
Use this expression for error recovery. It should behave as a 'sink' to prevent further cascaded error messages.