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# dmd.dcast

Compiler implementation of the D programming language.
Authors:
Walter Bright
License:
Boost License 1.0

Source: dcast.d

Expression `implicitCastTo`(Expression `e`, Scope* `sc`, Type `t`);
  Do an implicit cast. Issue error if it can'`t` be done.
MATCH `implicitConvTo`(Expression `e`, Type `t`);
  Return MATCH level of implicitly converting `e` to type `t`. Don'`t` do the actual cast; don'`t` change `e`.
Expression `castTo`(Expression `e`, Scope* `sc`, Type `t`);
  Do an explicit cast. Assume that the 'this' expression does not have any indirections.
Expression `inferType`(Expression `e`, Type `t`, int `flag` = 0);
  Set type inference target `t` Target type `flag` 1: don'`t` put an error when inference fails
Expression `scaleFactor`(BinExp `be`, Scope* `sc`);
  Scale addition/subtraction to/from pointer.
bool `typeMerge`(Scope* `sc`, TOK `op`, Type* `pt`, Expression* `pe1`, Expression* `pe2`);
  Combine types.

  Output: *`pt` merged type, if *`pt` is not NULL *`pe1` rewritten e1 *`pe2` rewritten e2

  Returns:
  `true` success `false` failed
Expression `typeCombine`(BinExp `be`, Scope* `sc`);
  Bring leaves to common type.
  Returns:
  `null` on success, ErrorExp if error occurs
Expression `integralPromotions`(Expression `e`, Scope* `sc`);
  Do integral promotions (convertchk). Don't convert to
void `fix16997`(Scope* `sc`, UnaExp `ue`);
  This provides a transition from the non-promoting behavior of unary + - ~ to the C-like integral promotion behavior.
  Parameters:

  Scope* `sc` | context
  UnaExp `ue` | NegExp, UAddExp, or ComExp which is revised per rules

  References:

  https: //issues.dlang.org/show_bug.cgi?id=16997

bool `arrayTypeCompatible`(Loc `loc`, Type `t1`, Type `t2`);
  See if both types are arrays that can be compared for equality. Return `true` if so. If they are arrays, but incompatible, issue error. This is to enable comparing things like an immutable array with a mutable one.
bool `arrayTypeCompatibleWithoutCasting`(Loc `loc`, Type `t1`, Type `t2`);
  See if both types are arrays that can be compared for equality without any casting. Return `true` if so. This is to enable comparing things like an immutable array with a mutable one.
IntRange `getIntRange`(Expression `e`);

Copyright © 1999-2018 by the D Language Foundation | Page generated by Ddoc on Tue Jan 2 20:54:41 2018