vendor/github.com/hashicorp/terraform/lang/scope.go

   1 package lang
   2
   3 import (
   4         "sync"
   5
   6         "github.com/zclconf/go-cty/cty/function"
   7
   8         "github.com/hashicorp/terraform/addrs"
   9 )
  10
  11 // Scope is the main type in this package, allowing dynamic evaluation of
  12 // blocks and expressions based on some contextual information that informs
  13 // which variables and functions will be available.
  14 type Scope struct {
  15         // Data is used to resolve references in expressions.
  16         Data Data
  17
  18         // SelfAddr is the address that the "self" object should be an alias of,
  19         // or nil if the "self" object should not be available at all.
  20         SelfAddr addrs.Referenceable
  21
  22         // BaseDir is the base directory used by any interpolation functions that
  23         // accept filesystem paths as arguments.
  24         BaseDir string
  25
  26         // PureOnly can be set to true to request that any non-pure functions
  27         // produce unknown value results rather than actually executing. This is
  28         // important during a plan phase to avoid generating results that could
  29         // then differ during apply.
  30         PureOnly bool
  31
  32         funcs     map[string]function.Function
  33         funcsLock sync.Mutex
  34 }