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# dmd.ctorflow

Manage flow analysis for constructors.
Authors:
Walter Bright
License:
Boost License 1.0

Source ctorflow.d

Documentation https://dlang.org/phobos/dmd_ctorflow.html

Coverage https://codecov.io/gh/dlang/dmd/src/master/src/dmd/ctorflow.d

struct `FieldInit`;
  Individual field in the Ctor with information about its callees and location.
  CSX `csx`;
    information about the field's callees
  Loc `loc`;
    location of the field initialization
struct `CtorFlow`;
  Primitive flow analysis for constructors
  CSX `callSuper`;
    state of calling other constructors
  FieldInit[] `fieldinit`;
    state of field initializations
  CtorFlow `clone`();
    Create a deep copy of this
    Returns:
    a copy
  pure nothrow void `orCSX`(CSX `csx`);
    Set CSX bits in flow analysis state
    Parameters:

    CSX `csx` | bits to set

  pure nothrow void `OR`(ref const CtorFlow `ctorflow`);
    OR CSX bits to this
    Parameters:

    CtorFlow `ctorflow` | bits to OR in

pure nothrow bool `mergeCallSuper`(ref CSX `a`, const CSX `b`);
  Merge `b` flow analysis results into `a`.
  Parameters:

  CSX `a` | the path to merge `b` into
  CSX `b` | the other path

  Returns:
  false means one of the paths skips construction
pure nothrow bool `mergeFieldInit`(ref CSX `a`, const CSX `b`);
  Merge `b` flow analysis results into `a`.
  Parameters:

  CSX `a` | the path to merge `b` into
  CSX `b` | the other path

  Returns:
  false means either `a` or `b` skips initialization

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