107 lines
2.8 KiB
Go
107 lines
2.8 KiB
Go
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package hclhil
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import (
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"fmt"
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"github.com/apparentlymart/go-cty/cty"
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"github.com/apparentlymart/go-zcl/zcl"
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hclast "github.com/hashicorp/hcl/hcl/ast"
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)
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// body is our implementation of zcl.Body in terms of an HCL ObjectList
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type body struct {
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oli *hclast.ObjectList
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}
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func (b *body) Content(schema *zcl.BodySchema) (*zcl.BodyContent, zcl.Diagnostics) {
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return nil, nil
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}
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func (b *body) PartialContent(schema *zcl.BodySchema) (*zcl.BodyContent, zcl.Body, zcl.Diagnostics) {
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return nil, nil, nil
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}
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func (b *body) JustAttributes() (zcl.Attributes, zcl.Diagnostics) {
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items := b.oli.Items
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attrs := make(zcl.Attributes)
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var diags zcl.Diagnostics
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for _, item := range items {
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if len(item.Keys) == 0 {
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// Should never happen, since we don't use b.oli.Filter
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diags = append(diags, &zcl.Diagnostic{
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Severity: zcl.DiagError,
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Summary: "Invalid item",
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Detail: "Somehow we have an HCL item with no keys. This should never happen.",
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Context: rangeFromHCLPos(item.Pos()).Ptr(),
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})
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continue
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}
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if len(item.Keys) > 1 {
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name := item.Keys[0].Token.Value().(string)
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diags = append(diags, &zcl.Diagnostic{
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Severity: zcl.DiagError,
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Summary: fmt.Sprintf("Unexpected %s block", name),
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Detail: "Blocks are not allowed here.",
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Context: rangeFromHCLPos(item.Pos()).Ptr(),
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})
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continue
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}
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name := item.Keys[0].Token.Value().(string)
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if item.Assign.Line == 0 {
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diags = append(diags, &zcl.Diagnostic{
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Severity: zcl.DiagWarning,
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Summary: "Block syntax used for attribute",
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Detail: fmt.Sprintf("Attribute %q is defined using block syntax, which is deprecated. Use an equals sign after the attribute name instead.", name),
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Context: rangeFromHCLPos(item.Pos()).Ptr(),
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})
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}
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if attrs[name] != nil {
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diags = append(diags, &zcl.Diagnostic{
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Severity: zcl.DiagError,
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Summary: "Duplicate attribute definition",
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Detail: fmt.Sprintf(
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"Attribute %q was previously defined at %s",
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name, attrs[name].NameRange.String(),
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),
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Context: rangeFromHCLPos(item.Pos()).Ptr(),
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})
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continue
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}
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attrs[name] = &zcl.Attribute{
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Name: name,
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Expr: &expression{src: item.Val},
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Range: rangeFromHCLPos(item.Pos()),
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NameRange: rangeFromHCLPos(item.Keys[0].Pos()),
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}
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}
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return attrs, diags
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}
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func (b *body) MissingItemRange() zcl.Range {
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return rangeFromHCLPos(b.oli.Pos())
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}
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// body is our implementation of zcl.Body in terms of an HCL node, which may
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// internally have strings to be interpreted as HIL templates.
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type expression struct {
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src hclast.Node
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}
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func (e *expression) Value(ctx *zcl.EvalContext) (cty.Value, zcl.Diagnostics) {
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// TODO: Implement
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return cty.NilVal, nil
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}
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func (e *expression) Range() zcl.Range {
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return rangeFromHCLPos(e.src.Pos())
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}
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func (e *expression) StartRange() zcl.Range {
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return rangeFromHCLPos(e.src.Pos())
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}
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