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scope.go
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scope.go
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package lang
import (
"sync"
"github.com/zclconf/go-cty/cty/function"
"github.com/hashicorp/terraform/addrs"
)
// Scope is the main type in this package, allowing dynamic evaluation of
// blocks and expressions based on some contextual information that informs
// which variables and functions will be available.
type Scope struct {
// Data is used to resolve references in expressions.
Data Data
// SelfAddr is the address that the "self" object should be an alias of,
// or nil if the "self" object should not be available at all.
SelfAddr addrs.Referenceable
// BaseDir is the base directory used by any interpolation functions that
// accept filesystem paths as arguments.
BaseDir string
// PureOnly can be set to true to request that any non-pure functions
// produce unknown value results rather than actually executing. This is
// important during a plan phase to avoid generating results that could
// then differ during apply.
PureOnly bool
funcs map[string]function.Function
funcsLock sync.Mutex
}