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| # Forked Terraform packages | ||
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| This directory contains a subset of code from Terraform's internal packages. However, the implementation is not exactly the same, it is just a fork, and simplifications and changes have been made according to our project. | ||
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| This package provides functionality for static analysis of Terraform Language. |
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| package addrs | ||
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| // CountAttr is the address of an attribute of the "count" object in | ||
| // the interpolation scope, like "count.index". | ||
| type CountAttr struct { | ||
| referenceable | ||
| Name string | ||
| } | ||
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| func (ca CountAttr) String() string { | ||
| return "count." + ca.Name | ||
| } |
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| // Package addrs is a fork of Terraform's internal/addrs package. | ||
| // | ||
| // This package contains reference addresses in the Terraform Language | ||
| // and implementations that parse hcl.Traversal to produce references. | ||
| package addrs |
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| package addrs | ||
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| // ForEachAttr is the address of an attribute referencing the current "for_each" object in | ||
| // the interpolation scope, addressed using the "each" keyword, ex. "each.key" and "each.value" | ||
| type ForEachAttr struct { | ||
| referenceable | ||
| Name string | ||
| } | ||
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| func (f ForEachAttr) String() string { | ||
| return "each." + f.Name | ||
| } |
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| package addrs | ||
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| // InputVariable is the address of an input variable. | ||
| type InputVariable struct { | ||
| referenceable | ||
| Name string | ||
| } | ||
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| func (v InputVariable) String() string { | ||
| return "var." + v.Name | ||
| } |
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| package addrs | ||
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| import ( | ||
| "fmt" | ||
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| "github.com/zclconf/go-cty/cty" | ||
| "github.com/zclconf/go-cty/cty/gocty" | ||
| ) | ||
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| // InstanceKey represents the key of an instance within an object that | ||
| // contains multiple instances due to using "count" or "for_each" arguments | ||
| // in configuration. | ||
| // | ||
| // IntKey and StringKey are the two implementations of this type. No other | ||
| // implementations are allowed. The single instance of an object that _isn't_ | ||
| // using "count" or "for_each" is represented by NoKey, which is a nil | ||
| // InstanceKey. | ||
| type InstanceKey interface { | ||
| instanceKeySigil() | ||
| String() string | ||
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| // Value returns the cty.Value of the appropriate type for the InstanceKey | ||
| // value. | ||
| Value() cty.Value | ||
| } | ||
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| // ParseInstanceKey returns the instance key corresponding to the given value, | ||
| // which must be known and non-null. | ||
| // | ||
| // If an unknown or null value is provided then this function will panic. This | ||
| // function is intended to deal with the values that would naturally be found | ||
| // in a hcl.TraverseIndex, which (when parsed from source, at least) can never | ||
| // contain unknown or null values. | ||
| func ParseInstanceKey(key cty.Value) (InstanceKey, error) { | ||
| switch key.Type() { | ||
| case cty.String: | ||
| return StringKey(key.AsString()), nil | ||
| case cty.Number: | ||
| var idx int | ||
| err := gocty.FromCtyValue(key, &idx) | ||
| return IntKey(idx), err | ||
| default: | ||
| return NoKey, fmt.Errorf("either a string or an integer is required") | ||
| } | ||
| } | ||
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| // NoKey represents the absense of an InstanceKey, for the single instance | ||
| // of a configuration object that does not use "count" or "for_each" at all. | ||
| var NoKey InstanceKey | ||
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| // IntKey is the InstanceKey representation representing integer indices, as | ||
| // used when the "count" argument is specified or if for_each is used with | ||
| // a sequence type. | ||
| type IntKey int | ||
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| func (k IntKey) instanceKeySigil() { | ||
| } | ||
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| func (k IntKey) String() string { | ||
| return fmt.Sprintf("[%d]", int(k)) | ||
| } | ||
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| func (k IntKey) Value() cty.Value { | ||
| return cty.NumberIntVal(int64(k)) | ||
| } | ||
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| // StringKey is the InstanceKey representation representing string indices, as | ||
| // used when the "for_each" argument is specified with a map or object type. | ||
| type StringKey string | ||
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| func (k StringKey) instanceKeySigil() { | ||
| } | ||
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| func (k StringKey) String() string { | ||
| // FIXME: This isn't _quite_ right because Go's quoted string syntax is | ||
| // slightly different than HCL's, but we'll accept it for now. | ||
| return fmt.Sprintf("[%q]", string(k)) | ||
| } | ||
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| func (k StringKey) Value() cty.Value { | ||
| return cty.StringVal(string(k)) | ||
| } | ||
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| // InstanceKeyType represents the different types of instance key that are | ||
| // supported. Usually it is sufficient to simply type-assert an InstanceKey | ||
| // value to either IntKey or StringKey, but this type and its values can be | ||
| // used to represent the types themselves, rather than specific values | ||
| // of those types. | ||
| type InstanceKeyType rune | ||
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| const ( | ||
| NoKeyType InstanceKeyType = 0 | ||
| IntKeyType InstanceKeyType = 'I' | ||
| StringKeyType InstanceKeyType = 'S' | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
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| package addrs | ||
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| // LocalValue is the address of a local value. | ||
| type LocalValue struct { | ||
| referenceable | ||
| Name string | ||
| } | ||
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| func (v LocalValue) String() string { | ||
| return "local." + v.Name | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,44 @@ | ||
| package addrs | ||
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| import ( | ||
| "fmt" | ||
| ) | ||
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| // ModuleCall is the address of a call from the current module to a child | ||
| // module. | ||
| type ModuleCall struct { | ||
| referenceable | ||
| Name string | ||
| } | ||
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| func (c ModuleCall) String() string { | ||
| return "module." + c.Name | ||
| } | ||
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| // ModuleCallInstance is the address of one instance of a module created from | ||
| // a module call, which might create multiple instances using "count" or | ||
| // "for_each" arguments. | ||
| type ModuleCallInstance struct { | ||
| referenceable | ||
| Call ModuleCall | ||
| Key InstanceKey | ||
| } | ||
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| func (c ModuleCallInstance) String() string { | ||
| if c.Key == NoKey { | ||
| return c.Call.String() | ||
| } | ||
| return fmt.Sprintf("module.%s%s", c.Call.Name, c.Key) | ||
| } | ||
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| // ModuleCallInstanceOutput is the address of a particular named output produced by | ||
| // an instance of a module call. | ||
| type ModuleCallInstanceOutput struct { | ||
| referenceable | ||
| Call ModuleCallInstance | ||
| Name string | ||
| } | ||
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| func (co ModuleCallInstanceOutput) String() string { | ||
| return fmt.Sprintf("%s.%s", co.Call.String(), co.Name) | ||
| } |
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