github.com/hashicorp/hcl/v2@v2.20.0/hclsyntax/parser_test.go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0

package hclsyntax

import (
	"fmt"
	"testing"

	"github.com/go-test/deep"
	"github.com/google/go-cmp/cmp"
	"github.com/google/go-cmp/cmp/cmpopts"
	"github.com/hashicorp/hcl/v2"
	"github.com/zclconf/go-cty/cty"
)

func init() {
	deep.MaxDepth = 999
}

func TestParseConfig(t *testing.T) {
	tests := []struct {
		input     string
		diagCount int
		want      *Body
	}{
		{
			``,
			0,
			&Body{
				Attributes: Attributes{},
				Blocks:     Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 1, Column: 1, Byte: 0},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 1, Column: 1, Byte: 0},
				},
			},
		},

		{
			"block {}\n",
			0,
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					&Block{
						Type:   "block",
						Labels: nil,
						Body: &Body{
							Attributes: Attributes{},
							Blocks:     Blocks{},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 9, Byte: 8},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 9, Byte: 8},
								End:   hcl.Pos{Line: 1, Column: 9, Byte: 8},
							},
						},

						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: nil,
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
							End:   hcl.Pos{Line: 1, Column: 8, Byte: 7},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 8, Byte: 7},
							End:   hcl.Pos{Line: 1, Column: 9, Byte: 8},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 9},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 9},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 9},
				},
			},
		},
		{
			"block {}",
			0,
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					&Block{
						Type:   "block",
						Labels: nil,
						Body: &Body{
							Attributes: Attributes{},
							Blocks:     Blocks{},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 9, Byte: 8},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 9, Byte: 8},
								End:   hcl.Pos{Line: 1, Column: 9, Byte: 8},
							},
						},

						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: nil,
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
							End:   hcl.Pos{Line: 1, Column: 8, Byte: 7},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 8, Byte: 7},
							End:   hcl.Pos{Line: 1, Column: 9, Byte: 8},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 1, Column: 9, Byte: 8},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 9, Byte: 8},
					End:   hcl.Pos{Line: 1, Column: 9, Byte: 8},
				},
			},
		},
		{
			"block {}block {}\n",
			1, // missing newline after block definition
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					&Block{
						Type:   "block",
						Labels: nil,
						Body: &Body{
							Attributes: Attributes{},
							Blocks:     Blocks{},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 9, Byte: 8},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 9, Byte: 8},
								End:   hcl.Pos{Line: 1, Column: 9, Byte: 8},
							},
						},

						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: nil,
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
							End:   hcl.Pos{Line: 1, Column: 8, Byte: 7},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 8, Byte: 7},
							End:   hcl.Pos{Line: 1, Column: 9, Byte: 8},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 17},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 17},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 17},
				},
			},
		},
		{
			"block { block {} }\n",
			1, // can't nest another block in the single-line block syntax
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					&Block{
						Type:   "block",
						Labels: nil,
						Body: &Body{
							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 2, Column: 1, Byte: 19},
							},
							EndRange: hcl.Range{ // Parser recovery behavior leaves us after this whole construct, on the next line
								Start: hcl.Pos{Line: 2, Column: 1, Byte: 19},
								End:   hcl.Pos{Line: 2, Column: 1, Byte: 19},
							},
						},

						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: nil,
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
							End:   hcl.Pos{Line: 1, Column: 8, Byte: 7},
						},
						CloseBraceRange: hcl.Range{ // Parser recovery behavior leaves us after this whole construct, on the next line
							Start: hcl.Pos{Line: 2, Column: 1, Byte: 19},
							End:   hcl.Pos{Line: 2, Column: 1, Byte: 19},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 19},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 19},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 19},
				},
			},
		},
		{
			"block \"foo\" {}\n",
			0,
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					&Block{
						Type:   "block",
						Labels: []string{"foo"},
						Body: &Body{
							Attributes: Attributes{},
							Blocks:     Blocks{},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 13, Byte: 12},
								End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
								End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
							},
						},

						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: []hcl.Range{
							{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
							},
						},
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 13, Byte: 12},
							End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 14, Byte: 13},
							End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 15},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 15},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 15},
				},
			},
		},
		{
			"block foo {}\n",
			0,
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					&Block{
						Type:   "block",
						Labels: []string{"foo"},
						Body: &Body{
							Attributes: Attributes{},
							Blocks:     Blocks{},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 11, Byte: 10},
								End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 13, Byte: 12},
								End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
							},
						},

						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: []hcl.Range{
							{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 10, Byte: 9},
							},
						},
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 11, Byte: 10},
							End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 12, Byte: 11},
							End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 13},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 13},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 13},
				},
			},
		},
		{
			"block \"invalid ${not_allowed_here} foo\" {}\n",
			1, // Invalid string literal; Template sequences are not allowed in this string.
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					&Block{
						Type:   "block",
						Labels: []string{"invalid ${ ... } foo"}, // invalid interpolation gets replaced with a placeholder here
						Body: &Body{
							Attributes: Attributes{},
							Blocks:     Blocks{},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 41, Byte: 40},
								End:   hcl.Pos{Line: 1, Column: 43, Byte: 42},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 43, Byte: 42},
								End:   hcl.Pos{Line: 1, Column: 43, Byte: 42},
							},
						},

						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: []hcl.Range{
							{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 40, Byte: 39},
							},
						},
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 41, Byte: 40},
							End:   hcl.Pos{Line: 1, Column: 42, Byte: 41},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 42, Byte: 41},
							End:   hcl.Pos{Line: 1, Column: 43, Byte: 42},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 43},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 43},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 43},
				},
			},
		},
		{
			`
block "invalid" 1.2 {}
block "valid" {}
`,
			1,
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					&Block{
						Type:   "block",
						Labels: []string{"invalid"},
						Body: &Body{
							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 2, Column: 1, Byte: 1},
								End:   hcl.Pos{Line: 2, Column: 6, Byte: 6},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 2, Column: 1, Byte: 1},
								End:   hcl.Pos{Line: 2, Column: 6, Byte: 6},
							},
						},

						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 2, Column: 1, Byte: 1},
							End:   hcl.Pos{Line: 2, Column: 6, Byte: 6},
						},
						LabelRanges: []hcl.Range{
							{
								Start: hcl.Pos{Line: 2, Column: 7, Byte: 7},
								End:   hcl.Pos{Line: 2, Column: 16, Byte: 16},
							},
						},

						// Since we failed parsing before we got to the
						// braces, the type range is used as a placeholder
						// for these.
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 2, Column: 1, Byte: 1},
							End:   hcl.Pos{Line: 2, Column: 6, Byte: 6},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 2, Column: 1, Byte: 1},
							End:   hcl.Pos{Line: 2, Column: 6, Byte: 6},
						},
					},

					// Recovery behavior should allow us to still see this
					// second block, even though the first was invalid.
					&Block{
						Type:   "block",
						Labels: []string{"valid"},
						Body: &Body{
							Attributes: Attributes{},
							Blocks:     Blocks{},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 3, Column: 15, Byte: 38},
								End:   hcl.Pos{Line: 3, Column: 17, Byte: 40},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 3, Column: 17, Byte: 40},
								End:   hcl.Pos{Line: 3, Column: 17, Byte: 40},
							},
						},

						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 3, Column: 1, Byte: 24},
							End:   hcl.Pos{Line: 3, Column: 6, Byte: 29},
						},
						LabelRanges: []hcl.Range{
							{
								Start: hcl.Pos{Line: 3, Column: 7, Byte: 30},
								End:   hcl.Pos{Line: 3, Column: 14, Byte: 37},
							},
						},
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 3, Column: 15, Byte: 38},
							End:   hcl.Pos{Line: 3, Column: 16, Byte: 39},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 3, Column: 16, Byte: 39},
							End:   hcl.Pos{Line: 3, Column: 17, Byte: 40},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 4, Column: 1, Byte: 41},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 4, Column: 1, Byte: 41},
					End:   hcl.Pos{Line: 4, Column: 1, Byte: 41},
				},
			},
		},
		{
			`block "f\o" {}
`,
			1, // "\o" is not a valid escape sequence
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					&Block{
						Type:   "block",
						Labels: []string{"fo"},
						Body: &Body{
							Attributes: map[string]*Attribute{},
							Blocks:     []*Block{},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 13, Byte: 12},
								End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
								End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
							},
						},

						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: []hcl.Range{
							{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
							},
						},
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 13, Byte: 12},
							End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 14, Byte: 13},
							End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 15},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 15},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 15},
				},
			},
		},
		{
			`block "f\n" {}
`,
			0,
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					&Block{
						Type:   "block",
						Labels: []string{"f\n"},
						Body: &Body{
							Attributes: Attributes{},
							Blocks:     Blocks{},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 13, Byte: 12},
								End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
								End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
							},
						},

						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: []hcl.Range{
							{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
							},
						},
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 13, Byte: 12},
							End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 14, Byte: 13},
							End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 15},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 15},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 15},
				},
			},
		},

		{
			"a = 1\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &LiteralValueExpr{
							Val: cty.NumberIntVal(1),

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 6},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 6},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 6},
				},
			},
		},
		{
			"a = 1",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &LiteralValueExpr{
							Val: cty.NumberIntVal(1),

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
					End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
				},
			},
		},
		{
			"a = \"hello ${true}\"\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("hello "),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
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									Val: cty.True,

									SrcRange: hcl.Range{
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							},

							SrcRange: hcl.Range{
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								End:   hcl.Pos{Line: 1, Column: 20, Byte: 19},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 20, Byte: 19},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 20},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 20},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 20},
				},
			},
		},
		{
			"a = \"hello $${true}\"\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("hello ${true}"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 20, Byte: 19},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 21, Byte: 20},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 21, Byte: 20},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 21},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 21},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 21},
				},
			},
		},
		{
			"a = \"hello %%{true}\"\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("hello %{true}"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 20, Byte: 19},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 21, Byte: 20},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 21, Byte: 20},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 21},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 21},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 21},
				},
			},
		},
		{
			"a = \"hello $$\"\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("hello $$"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 15},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 15},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 15},
				},
			},
		},
		{
			"a = \"hello $\"\n",
			0, // unterminated template interpolation sequence
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("hello $"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 14},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 14},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 14},
				},
			},
		},
		{
			"a = \"hello %%\"\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("hello %%"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 15},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 15},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 15},
				},
			},
		},
		{
			"a = \"hello %\"\n",
			0, // unterminated template control sequence
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("hello %"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 14},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 14},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 14},
				},
			},
		},
		{
			"a = \"hello!\"\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("hello!"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 13},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 13},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 13},
				},
			},
		},
		{
			"a = \"\\u2022\"\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("\u2022"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 13},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 13},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 13},
				},
			},
		},
		{
			"a = \"\\uu2022\"\n",
			1, // \u must be followed by four hex digits
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("\\uu2022"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 14},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 14},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 14},
				},
			},
		},
		{
			"a = \"\\U0001d11e\"\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("\U0001d11e"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 16, Byte: 15},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 17, Byte: 16},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 17, Byte: 16},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 17},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 17},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 17},
				},
			},
		},
		{
			"a = \"\\u0001d11e\"\n",
			0, // This is valid, but probably not what the user intended :(
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									// Only the first four digits were used for the
									// escape sequence, so the remaining four just
									// get echoed out literally.
									Val: cty.StringVal("\u0001d11e"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 16, Byte: 15},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 17, Byte: 16},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 17, Byte: 16},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 17},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 17},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 17},
				},
			},
		},
		{
			"a = \"\\U2022\"\n",
			1, // Invalid escape sequence, since we need eight hex digits for \U
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("\\U2022"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 13},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 13},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 13},
				},
			},
		},
		{
			"a = \"\\u20m2\"\n",
			1, // Invalid escape sequence
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("\\u20m2"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 13, Byte: 12},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 13},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 13},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 13},
				},
			},
		},
		{
			"a = \"\\U00300000\"\n",
			1, // Invalid unicode character (can't encode in UTF-8)
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("\\U00300000"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 16, Byte: 15},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 17, Byte: 16},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 17, Byte: 16},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 17},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 17},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 17},
				},
			},
		},
		{
			"a = \"\\Ub2705550\"\n",
			1, // Invalid unicode character (can't encode in UTF-8)
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("\\Ub2705550"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 6, Byte: 5},
										End:   hcl.Pos{Line: 1, Column: 16, Byte: 15},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 17, Byte: 16},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 17, Byte: 16},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 17},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 17},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 17},
				},
			},
		},
		{
			"a = <<EOT\nHello\nEOT\nb = \"Hi\"",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("Hello\n"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 1, Byte: 10},
										End:   hcl.Pos{Line: 3, Column: 1, Byte: 16},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 3, Column: 4, Byte: 19},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 3, Column: 4, Byte: 19},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
					"b": {
						Name: "b",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
									Val: cty.StringVal("Hi"),

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 4, Column: 6, Byte: 25},
										End:   hcl.Pos{Line: 4, Column: 8, Byte: 27},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 4, Column: 5, Byte: 24},
								End:   hcl.Pos{Line: 4, Column: 9, Byte: 28},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 4, Column: 1, Byte: 20},
							End:   hcl.Pos{Line: 4, Column: 9, Byte: 28},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 4, Column: 1, Byte: 20},
							End:   hcl.Pos{Line: 4, Column: 2, Byte: 21},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 4, Column: 3, Byte: 22},
							End:   hcl.Pos{Line: 4, Column: 4, Byte: 23},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 4, Column: 9, Byte: 28},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 4, Column: 9, Byte: 28},
					End:   hcl.Pos{Line: 4, Column: 9, Byte: 28},
				},
			},
		},
		{
			"a = foo.bar\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &ScopeTraversalExpr{
							Traversal: hcl.Traversal{
								hcl.TraverseRoot{
									Name: "foo",

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
										End:   hcl.Pos{Line: 1, Column: 8, Byte: 7},
									},
								},
								hcl.TraverseAttr{
									Name: "bar",

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 8, Byte: 7},
										End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 12},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 12},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 12},
				},
			},
		},
		{
			"a = foo.0.1.baz\n",
			1, // Chaining legacy index syntax is not supported
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &ScopeTraversalExpr{
							Traversal: hcl.Traversal{
								hcl.TraverseRoot{
									Name: "foo",

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
										End:   hcl.Pos{Line: 1, Column: 8, Byte: 7},
									},
								},
								hcl.TraverseIndex{
									Key: cty.DynamicVal,

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 8, Byte: 7},
										End:   hcl.Pos{Line: 1, Column: 12, Byte: 11},
									},
								},
								hcl.TraverseAttr{
									Name: "baz",

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 12, Byte: 11},
										End:   hcl.Pos{Line: 1, Column: 16, Byte: 15},
									},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 16, Byte: 15},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 16, Byte: 15},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 16},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 16},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 16},
				},
			},
		},
		{
			"a = \"${var.public_subnets[count.index]}\"\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateWrapExpr{
							Wrapped: &IndexExpr{
								Collection: &ScopeTraversalExpr{
									Traversal: hcl.Traversal{
										hcl.TraverseRoot{
											Name: "var",

											SrcRange: hcl.Range{
												Start: hcl.Pos{Line: 1, Column: 8, Byte: 7},
												End:   hcl.Pos{Line: 1, Column: 11, Byte: 10},
											},
										},
										hcl.TraverseAttr{
											Name: "public_subnets",

											SrcRange: hcl.Range{
												Start: hcl.Pos{Line: 1, Column: 11, Byte: 10},
												End:   hcl.Pos{Line: 1, Column: 26, Byte: 25},
											},
										},
									},

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 8, Byte: 7},
										End:   hcl.Pos{Line: 1, Column: 26, Byte: 25},
									},
								},
								Key: &ScopeTraversalExpr{
									Traversal: hcl.Traversal{
										hcl.TraverseRoot{
											Name: "count",

											SrcRange: hcl.Range{
												Start: hcl.Pos{Line: 1, Column: 27, Byte: 26},
												End:   hcl.Pos{Line: 1, Column: 32, Byte: 31},
											},
										},
										hcl.TraverseAttr{
											Name: "index",

											SrcRange: hcl.Range{
												Start: hcl.Pos{Line: 1, Column: 32, Byte: 31},
												End:   hcl.Pos{Line: 1, Column: 38, Byte: 37},
											},
										},
									},

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 27, Byte: 26},
										End:   hcl.Pos{Line: 1, Column: 38, Byte: 37},
									},
								},
								SrcRange: hcl.Range{
									Start: hcl.Pos{Line: 1, Column: 8, Byte: 7},
									End:   hcl.Pos{Line: 1, Column: 39, Byte: 38},
								},
								OpenRange: hcl.Range{
									Start: hcl.Pos{Line: 1, Column: 26, Byte: 25},
									End:   hcl.Pos{Line: 1, Column: 27, Byte: 26},
								},
								BracketRange: hcl.Range{
									Start: hcl.Pos{Line: 1, Column: 26, Byte: 25},
									End:   hcl.Pos{Line: 1, Column: 39, Byte: 38},
								},
							},
							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 41, Byte: 40},
							},
						},
						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 41, Byte: 40},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 41},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 41},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 41},
				},
			},
		},
		{
			"a = \"${var.public_subnets[*]}\"\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &TemplateWrapExpr{
							Wrapped: &SplatExpr{
								Source: &ScopeTraversalExpr{
									Traversal: hcl.Traversal{
										hcl.TraverseRoot{
											Name: "var",

											SrcRange: hcl.Range{
												Start: hcl.Pos{Line: 1, Column: 8, Byte: 7},
												End:   hcl.Pos{Line: 1, Column: 11, Byte: 10},
											},
										},
										hcl.TraverseAttr{
											Name: "public_subnets",

											SrcRange: hcl.Range{
												Start: hcl.Pos{Line: 1, Column: 11, Byte: 10},
												End:   hcl.Pos{Line: 1, Column: 26, Byte: 25},
											},
										},
									},

									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 8, Byte: 7},
										End:   hcl.Pos{Line: 1, Column: 26, Byte: 25},
									},
								},
								Each: &AnonSymbolExpr{
									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 26, Byte: 25},
										End:   hcl.Pos{Line: 1, Column: 29, Byte: 28},
									},
								},
								Item: &AnonSymbolExpr{
									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 26, Byte: 25},
										End:   hcl.Pos{Line: 1, Column: 29, Byte: 28},
									},
								},
								SrcRange: hcl.Range{
									Start: hcl.Pos{Line: 1, Column: 8, Byte: 7},
									End:   hcl.Pos{Line: 1, Column: 29, Byte: 28},
								},
								MarkerRange: hcl.Range{
									Start: hcl.Pos{Line: 1, Column: 26, Byte: 25},
									End:   hcl.Pos{Line: 1, Column: 29, Byte: 28},
								},
							},
							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 31, Byte: 30},
							},
						},
						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 31, Byte: 30},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 31},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 31},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 31},
				},
			},
		},
		{
			"a = 1 # line comment\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &LiteralValueExpr{
							Val: cty.NumberIntVal(1),

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 21},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 21},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 21},
				},
			},
		},

		{
			"a = [for k, v in foo: v if true]\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &ForExpr{
							KeyVar: "k",
							ValVar: "v",

							CollExpr: &ScopeTraversalExpr{
								Traversal: hcl.Traversal{
									hcl.TraverseRoot{
										Name: "foo",
										SrcRange: hcl.Range{
											Start: hcl.Pos{Line: 1, Column: 18, Byte: 17},
											End:   hcl.Pos{Line: 1, Column: 21, Byte: 20},
										},
									},
								},
								SrcRange: hcl.Range{
									Start: hcl.Pos{Line: 1, Column: 18, Byte: 17},
									End:   hcl.Pos{Line: 1, Column: 21, Byte: 20},
								},
							},
							ValExpr: &ScopeTraversalExpr{
								Traversal: hcl.Traversal{
									hcl.TraverseRoot{
										Name: "v",
										SrcRange: hcl.Range{
											Start: hcl.Pos{Line: 1, Column: 23, Byte: 22},
											End:   hcl.Pos{Line: 1, Column: 24, Byte: 23},
										},
									},
								},
								SrcRange: hcl.Range{
									Start: hcl.Pos{Line: 1, Column: 23, Byte: 22},
									End:   hcl.Pos{Line: 1, Column: 24, Byte: 23},
								},
							},
							CondExpr: &LiteralValueExpr{
								Val: cty.True,
								SrcRange: hcl.Range{
									Start: hcl.Pos{Line: 1, Column: 28, Byte: 27},
									End:   hcl.Pos{Line: 1, Column: 32, Byte: 31},
								},
							},

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 33, Byte: 32},
							},
							OpenRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
							},
							CloseRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 32, Byte: 31},
								End:   hcl.Pos{Line: 1, Column: 33, Byte: 32},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 33, Byte: 32},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 33},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 33},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 33},
				},
			},
		},
		{
			"a = [for k, v in foo: k => v... if true]\n",
			2, // can't use => or ... in a tuple for
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &ForExpr{
							KeyVar: "k",
							ValVar: "v",

							CollExpr: &ScopeTraversalExpr{
								Traversal: hcl.Traversal{
									hcl.TraverseRoot{
										Name: "foo",
										SrcRange: hcl.Range{
											Start: hcl.Pos{Line: 1, Column: 18, Byte: 17},
											End:   hcl.Pos{Line: 1, Column: 21, Byte: 20},
										},
									},
								},
								SrcRange: hcl.Range{
									Start: hcl.Pos{Line: 1, Column: 18, Byte: 17},
									End:   hcl.Pos{Line: 1, Column: 21, Byte: 20},
								},
							},
							KeyExpr: &ScopeTraversalExpr{
								Traversal: hcl.Traversal{
									hcl.TraverseRoot{
										Name: "k",
										SrcRange: hcl.Range{
											Start: hcl.Pos{Line: 1, Column: 23, Byte: 22},
											End:   hcl.Pos{Line: 1, Column: 24, Byte: 23},
										},
									},
								},
								SrcRange: hcl.Range{
									Start: hcl.Pos{Line: 1, Column: 23, Byte: 22},
									End:   hcl.Pos{Line: 1, Column: 24, Byte: 23},
								},
							},
							ValExpr: &ScopeTraversalExpr{
								Traversal: hcl.Traversal{
									hcl.TraverseRoot{
										Name: "v",
										SrcRange: hcl.Range{
											Start: hcl.Pos{Line: 1, Column: 28, Byte: 27},
											End:   hcl.Pos{Line: 1, Column: 29, Byte: 28},
										},
									},
								},
								SrcRange: hcl.Range{
									Start: hcl.Pos{Line: 1, Column: 28, Byte: 27},
									End:   hcl.Pos{Line: 1, Column: 29, Byte: 28},
								},
							},
							CondExpr: &LiteralValueExpr{
								Val: cty.True,
								SrcRange: hcl.Range{
									Start: hcl.Pos{Line: 1, Column: 36, Byte: 35},
									End:   hcl.Pos{Line: 1, Column: 40, Byte: 39},
								},
							},
							Group: true,

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 41, Byte: 40},
							},
							OpenRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
							},
							CloseRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 40, Byte: 39},
								End:   hcl.Pos{Line: 1, Column: 41, Byte: 40},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 41, Byte: 40},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 41},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 41},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 41},
				},
			},
		},

		{
			`	`,
			0, // the tab character is treated as a single whitespace character
			&Body{
				Attributes: Attributes{},
				Blocks:     Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 2, Byte: 1},
					End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 2, Byte: 1},
					End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
				},
			},
		},
		{
			`\x81`,
			2, // invalid UTF-8, and body item is required here
			&Body{
				Attributes: Attributes{},
				Blocks:     Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 2, Byte: 1},
					End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
				},
			},
		},
		{
			"a = 1,",
			1,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &LiteralValueExpr{
							Val: cty.NumberIntVal(1),

							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
							},
						},

						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 1, Column: 7, Byte: 6},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
					End:   hcl.Pos{Line: 1, Column: 7, Byte: 6},
				},
			},
		},
		{
			"a = `str`",
			2, // Invalid character and expression
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &LiteralValueExpr{
							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
							},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 1, Column: 10, Byte: 9},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 10, Byte: 9},
					End:   hcl.Pos{Line: 1, Column: 10, Byte: 9},
				},
			},
		},
		{
			`a = 'str'`,
			2, // Invalid character and expression
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &LiteralValueExpr{
							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
							},
						},
						NameRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
						SrcRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 1, Column: 10, Byte: 9},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 10, Byte: 9},
					End:   hcl.Pos{Line: 1, Column: 10, Byte: 9},
				},
			},
		},
		{
			"a = sort(data.first.ref.attr)[count.index]\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &IndexExpr{
							Collection: &FunctionCallExpr{
								Name: "sort",
								Args: []Expression{
									&ScopeTraversalExpr{
										Traversal: hcl.Traversal{
											hcl.TraverseRoot{
												Name: "data",
												SrcRange: hcl.Range{
													Filename: "",
													Start:    hcl.Pos{Line: 1, Column: 10, Byte: 9},
													End:      hcl.Pos{Line: 1, Column: 14, Byte: 13},
												},
											},
											hcl.TraverseAttr{
												Name: "first",
												SrcRange: hcl.Range{
													Filename: "",
													Start:    hcl.Pos{Line: 1, Column: 14, Byte: 13},
													End:      hcl.Pos{Line: 1, Column: 20, Byte: 19},
												},
											},
											hcl.TraverseAttr{
												Name: "ref",
												SrcRange: hcl.Range{
													Filename: "",
													Start:    hcl.Pos{Line: 1, Column: 20, Byte: 19},
													End:      hcl.Pos{Line: 1, Column: 24, Byte: 23},
												},
											},
											hcl.TraverseAttr{
												Name: "attr",
												SrcRange: hcl.Range{
													Filename: "",
													Start:    hcl.Pos{Line: 1, Column: 24, Byte: 23},
													End:      hcl.Pos{Line: 1, Column: 29, Byte: 28},
												},
											},
										},
										SrcRange: hcl.Range{
											Filename: "",
											Start:    hcl.Pos{Line: 1, Column: 10, Byte: 9},
											End:      hcl.Pos{Line: 1, Column: 29, Byte: 28},
										},
									},
								},
								ExpandFinal: false,
								NameRange: hcl.Range{
									Filename: "",
									Start:    hcl.Pos{Line: 1, Column: 5, Byte: 4},
									End:      hcl.Pos{Line: 1, Column: 9, Byte: 8},
								},
								OpenParenRange: hcl.Range{
									Filename: "",
									Start:    hcl.Pos{Line: 1, Column: 9, Byte: 8},
									End:      hcl.Pos{Line: 1, Column: 10, Byte: 9},
								},
								CloseParenRange: hcl.Range{
									Filename: "",
									Start:    hcl.Pos{Line: 1, Column: 29, Byte: 28},
									End:      hcl.Pos{Line: 1, Column: 30, Byte: 29},
								},
							},
							Key: &ScopeTraversalExpr{
								Traversal: hcl.Traversal{
									hcl.TraverseRoot{
										Name: "count",
										SrcRange: hcl.Range{
											Filename: "",
											Start:    hcl.Pos{Line: 1, Column: 31, Byte: 30},
											End:      hcl.Pos{Line: 1, Column: 36, Byte: 35},
										},
									},
									hcl.TraverseAttr{
										Name: "index",
										SrcRange: hcl.Range{
											Filename: "",
											Start:    hcl.Pos{Line: 1, Column: 36, Byte: 35},
											End:      hcl.Pos{Line: 1, Column: 42, Byte: 41},
										},
									},
								},
								SrcRange: hcl.Range{
									Filename: "",
									Start:    hcl.Pos{Line: 1, Column: 31, Byte: 30},
									End:      hcl.Pos{Line: 1, Column: 42, Byte: 41},
								},
							},
							SrcRange: hcl.Range{
								Filename: "",
								Start:    hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:      hcl.Pos{Line: 1, Column: 43, Byte: 42},
							},
							OpenRange: hcl.Range{
								Filename: "",
								Start:    hcl.Pos{Line: 1, Column: 30, Byte: 29},
								End:      hcl.Pos{Line: 1, Column: 31, Byte: 30},
							},
							BracketRange: hcl.Range{
								Filename: "",
								Start:    hcl.Pos{Line: 1, Column: 30, Byte: 29},
								End:      hcl.Pos{Line: 1, Column: 43, Byte: 42},
							},
						},
						SrcRange: hcl.Range{
							Filename: "",
							Start:    hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:      hcl.Pos{Line: 1, Column: 43, Byte: 42},
						},
						NameRange: hcl.Range{
							Filename: "",
							Start:    hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:      hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Filename: "",
							Start:    hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:      hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 43},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 43},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 43},
				},
			},
		},
		{
			`block "unterminated_string "name" {}`,
			2, // "Invalid string literal" and "Invalid block definition"
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					&Block{
						Type:   "block",
						Labels: []string{"unterminated_string ", "name", " {}"},
						Body: &Body{
							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
								End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
								End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
							},
						},

						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: []hcl.Range{
							{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 29, Byte: 28},
							},
							{
								Start: hcl.Pos{Line: 1, Column: 29, Byte: 28},
								End:   hcl.Pos{Line: 1, Column: 33, Byte: 32},
							},
							{
								Start: hcl.Pos{Line: 1, Column: 33, Byte: 32},
								End:   hcl.Pos{Line: 1, Column: 37, Byte: 36},
							},
						},
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 1, Column: 37, Byte: 36},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 37, Byte: 36},
					End:   hcl.Pos{Line: 1, Column: 37, Byte: 36},
				},
			},
		},
		{
			"a = a::namespaced::func(data.first.ref.attr)\n",
			0,
			&Body{
				Attributes: Attributes{
					"a": {
						Name: "a",
						Expr: &FunctionCallExpr{
							Name: "a::namespaced::func",
							Args: []Expression{
								&ScopeTraversalExpr{
									Traversal: hcl.Traversal{
										hcl.TraverseRoot{
											Name: "data",
											SrcRange: hcl.Range{
												Filename: "",
												Start:    hcl.Pos{Line: 1, Column: 25, Byte: 24},
												End:      hcl.Pos{Line: 1, Column: 29, Byte: 28},
											},
										},
										hcl.TraverseAttr{
											Name: "first",
											SrcRange: hcl.Range{
												Filename: "",
												Start:    hcl.Pos{Line: 1, Column: 29, Byte: 28},
												End:      hcl.Pos{Line: 1, Column: 35, Byte: 34},
											},
										},
										hcl.TraverseAttr{
											Name: "ref",
											SrcRange: hcl.Range{
												Filename: "",
												Start:    hcl.Pos{Line: 1, Column: 35, Byte: 34},
												End:      hcl.Pos{Line: 1, Column: 39, Byte: 38},
											},
										},
										hcl.TraverseAttr{
											Name: "attr",
											SrcRange: hcl.Range{
												Filename: "",
												Start:    hcl.Pos{Line: 1, Column: 39, Byte: 38},
												End:      hcl.Pos{Line: 1, Column: 44, Byte: 43},
											},
										},
									},
									SrcRange: hcl.Range{
										Filename: "",
										Start:    hcl.Pos{Line: 1, Column: 25, Byte: 24},
										End:      hcl.Pos{Line: 1, Column: 44, Byte: 43},
									},
								},
							},
							ExpandFinal: false,
							NameRange: hcl.Range{
								Filename: "",
								Start:    hcl.Pos{Line: 1, Column: 5, Byte: 4},
								End:      hcl.Pos{Line: 1, Column: 24, Byte: 23},
							},
							OpenParenRange: hcl.Range{
								Filename: "",
								Start:    hcl.Pos{Line: 1, Column: 24, Byte: 23},
								End:      hcl.Pos{Line: 1, Column: 25, Byte: 24},
							},
							CloseParenRange: hcl.Range{
								Filename: "",
								Start:    hcl.Pos{Line: 1, Column: 44, Byte: 43},
								End:      hcl.Pos{Line: 1, Column: 45, Byte: 44},
							},
						},
						SrcRange: hcl.Range{
							Filename: "",
							Start:    hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:      hcl.Pos{Line: 1, Column: 45, Byte: 44},
						},
						NameRange: hcl.Range{
							Filename: "",
							Start:    hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:      hcl.Pos{Line: 1, Column: 2, Byte: 1},
						},
						EqualsRange: hcl.Range{
							Filename: "",
							Start:    hcl.Pos{Line: 1, Column: 3, Byte: 2},
							End:      hcl.Pos{Line: 1, Column: 4, Byte: 3},
						},
					},
				},
				Blocks: Blocks{},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 45},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 2, Column: 1, Byte: 45},
					End:   hcl.Pos{Line: 2, Column: 1, Byte: 45},
				},
			},
		},
	}

	for _, test := range tests {
		t.Run(test.input, func(t *testing.T) {
			t.Logf("\n%s", test.input)
			file, diags := ParseConfig([]byte(test.input), "", hcl.Pos{Byte: 0, Line: 1, Column: 1})
			if len(diags) != test.diagCount {
				t.Errorf("wrong number of diagnostics %d; want %d", len(diags), test.diagCount)
				for _, diag := range diags {
					t.Logf(" - %s", diag.Error())
				}
			}

			got := file.Body

			if diff := deep.Equal(got, test.want); diff != nil {
				for _, problem := range diff {
					t.Errorf(problem)
				}
			}
		})
	}
}

func TestParseConfig_incompleteFunctionCall(t *testing.T) {
	tests := []struct {
		input string
		want  *Body
	}{
		{
			`attr = object({ foo = })
attr2 = "foo"
`,
			&Body{
				Attributes: Attributes{
					"attr": {
						Name: "attr",
						Expr: &FunctionCallExpr{
							Name: "object",
							Args: []Expression{
								&ObjectConsExpr{
									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
										End:   hcl.Pos{Line: 1, Column: 24, Byte: 23},
									},
									OpenRange: hcl.Range{
										Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
										End:   hcl.Pos{Line: 1, Column: 16, Byte: 15},
									},
								},
							},
							NameRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 8, Byte: 7},
								End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
							},
							OpenParenRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 14, Byte: 13},
								End:   hcl.Pos{Line: 1, Column: 15, Byte: 14},
							},
							CloseParenRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 24, Byte: 23},
								End:   hcl.Pos{Line: 1, Column: 25, Byte: 24},
							},
						},
						SrcRange: hcl.Range{
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							End:   hcl.Pos{Line: 1, Column: 7, Byte: 6},
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					"attr2": {
						Name: "attr2",
						Expr: &TemplateExpr{
							Parts: []Expression{
								&LiteralValueExpr{
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				EndRange: hcl.Range{
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					End:   hcl.Pos{Line: 3, Column: 1, Byte: 39},
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		},
		{
			`block "label" {
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`,
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				Blocks: Blocks{
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						Labels: []string{"label"},
						Body: &Body{
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		{
			`block "label" {
		  attr = object({
`,
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				Blocks: Blocks{
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		},
		{
			`block "label" {
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`,
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					End:   hcl.Pos{Line: 3, Column: 1, Byte: 38},
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			},
		},
		{
			`block "label" {
  attr = object({ foo =
`,
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				Blocks: Blocks{
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					End:   hcl.Pos{Line: 3, Column: 1, Byte: 40},
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			},
		},
		{
			`block "label" {
  attr = object({ foo = }
`,
			&Body{
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				Blocks: Blocks{
					{
						Type:   "block",
						Labels: []string{"label"},
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		},
		{
			`block "label" {
  attr = object({ foo = })
`,
			&Body{
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				Blocks: Blocks{
					{
						Type:   "block",
						Labels: []string{"label"},
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			},
		},
		{
			`block "label" {
  attr = object({
    foo =

`,
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					{
						Type:   "block",
						Labels: []string{"label"},
						Body: &Body{
							Attributes: Attributes{
								"attr": {
									Name: "attr",
									Expr: &FunctionCallExpr{
										Name: "object",
										Args: []Expression{
											&ObjectConsExpr{
												SrcRange: hcl.Range{
													Start: hcl.Pos{Line: 2, Column: 17, Byte: 32},
													End:   hcl.Pos{Line: 5, Column: 1, Byte: 45},
												},
												OpenRange: hcl.Range{
													Start: hcl.Pos{Line: 2, Column: 17, Byte: 32},
													End:   hcl.Pos{Line: 2, Column: 18, Byte: 33},
												},
											},
										},
										NameRange: hcl.Range{
											Start: hcl.Pos{Line: 2, Column: 10, Byte: 25},
											End:   hcl.Pos{Line: 2, Column: 16, Byte: 31},
										},
										OpenParenRange: hcl.Range{
											Start: hcl.Pos{Line: 2, Column: 16, Byte: 31},
											End:   hcl.Pos{Line: 2, Column: 17, Byte: 32},
										},
										CloseParenRange: hcl.Range{},
									},
									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 3, Byte: 18},
										End:   hcl.Pos{Line: 5, Column: 1, Byte: 45},
									},
									NameRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 3, Byte: 18},
										End:   hcl.Pos{Line: 2, Column: 7, Byte: 22},
									},
									EqualsRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 8, Byte: 23},
										End:   hcl.Pos{Line: 2, Column: 9, Byte: 24},
									},
								},
							},
							Blocks: Blocks{},
							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
								End:   hcl.Pos{Line: 5, Column: 1, Byte: 45},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 5, Column: 1, Byte: 45},
								End:   hcl.Pos{Line: 5, Column: 1, Byte: 45},
							},
						},
						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: []hcl.Range{
							{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
							},
						},
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
							End:   hcl.Pos{Line: 1, Column: 16, Byte: 15},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 5, Column: 1, Byte: 45},
							End:   hcl.Pos{Line: 5, Column: 1, Byte: 45},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 5, Column: 1, Byte: 45},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 5, Column: 1, Byte: 45},
					End:   hcl.Pos{Line: 5, Column: 1, Byte: 45},
				},
			},
		},
		{
			`block "label" {
  attr = object({
    foo =

another_block {

}
`,
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					{
						Type:   "block",
						Labels: []string{"label"},
						Body: &Body{
							Attributes: Attributes{
								"attr": {
									Name: "attr",
									Expr: &FunctionCallExpr{
										Name: "object",
										Args: []Expression{
											&ObjectConsExpr{
												SrcRange: hcl.Range{
													Start: hcl.Pos{Line: 2, Column: 17, Byte: 32},
													End:   hcl.Pos{Line: 8, Column: 1, Byte: 64},
												},
												OpenRange: hcl.Range{
													Start: hcl.Pos{Line: 2, Column: 17, Byte: 32},
													End:   hcl.Pos{Line: 2, Column: 18, Byte: 33},
												},
											},
										},
										NameRange: hcl.Range{
											Start: hcl.Pos{Line: 2, Column: 10, Byte: 25},
											End:   hcl.Pos{Line: 2, Column: 16, Byte: 31},
										},
										OpenParenRange: hcl.Range{
											Start: hcl.Pos{Line: 2, Column: 16, Byte: 31},
											End:   hcl.Pos{Line: 2, Column: 17, Byte: 32},
										},
										CloseParenRange: hcl.Range{},
									},
									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 3, Byte: 18},
										End:   hcl.Pos{Line: 8, Column: 1, Byte: 64},
									},
									NameRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 3, Byte: 18},
										End:   hcl.Pos{Line: 2, Column: 7, Byte: 22},
									},
									EqualsRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 8, Byte: 23},
										End:   hcl.Pos{Line: 2, Column: 9, Byte: 24},
									},
								},
							},
							Blocks: Blocks{},
							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
								End:   hcl.Pos{Line: 8, Column: 1, Byte: 64},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 8, Column: 1, Byte: 64},
								End:   hcl.Pos{Line: 8, Column: 1, Byte: 64},
							},
						},
						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: []hcl.Range{
							{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
							},
						},
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
							End:   hcl.Pos{Line: 1, Column: 16, Byte: 15},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 8, Column: 1, Byte: 64},
							End:   hcl.Pos{Line: 8, Column: 1, Byte: 64},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 8, Column: 1, Byte: 64},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 8, Column: 1, Byte: 64},
					End:   hcl.Pos{Line: 8, Column: 1, Byte: 64},
				},
			},
		},
		{
			`block "label" {
  attr = object({
    foo =
  }
`,
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					{
						Type:   "block",
						Labels: []string{"label"},
						Body: &Body{
							Attributes: Attributes{
								"attr": {
									Name: "attr",
									Expr: &FunctionCallExpr{
										Name: "object",
										Args: []Expression{
											&ObjectConsExpr{
												SrcRange: hcl.Range{
													Start: hcl.Pos{Line: 2, Column: 17, Byte: 32},
													End:   hcl.Pos{Line: 4, Column: 4, Byte: 47},
												},
												OpenRange: hcl.Range{
													Start: hcl.Pos{Line: 2, Column: 17, Byte: 32},
													End:   hcl.Pos{Line: 2, Column: 18, Byte: 33},
												},
											},
										},
										NameRange: hcl.Range{
											Start: hcl.Pos{Line: 2, Column: 10, Byte: 25},
											End:   hcl.Pos{Line: 2, Column: 16, Byte: 31},
										},
										OpenParenRange: hcl.Range{
											Start: hcl.Pos{Line: 2, Column: 16, Byte: 31},
											End:   hcl.Pos{Line: 2, Column: 17, Byte: 32},
										},
										CloseParenRange: hcl.Range{},
									},
									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 3, Byte: 18},
										End:   hcl.Pos{Line: 5, Column: 1, Byte: 48},
									},
									NameRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 3, Byte: 18},
										End:   hcl.Pos{Line: 2, Column: 7, Byte: 22},
									},
									EqualsRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 8, Byte: 23},
										End:   hcl.Pos{Line: 2, Column: 9, Byte: 24},
									},
								},
							},
							Blocks: Blocks{},
							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
								End:   hcl.Pos{Line: 5, Column: 1, Byte: 48},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 5, Column: 1, Byte: 48},
								End:   hcl.Pos{Line: 5, Column: 1, Byte: 48},
							},
						},
						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: []hcl.Range{
							{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
							},
						},
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
							End:   hcl.Pos{Line: 1, Column: 16, Byte: 15},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 5, Column: 1, Byte: 48},
							End:   hcl.Pos{Line: 5, Column: 1, Byte: 48},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 5, Column: 1, Byte: 48},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 5, Column: 1, Byte: 48},
					End:   hcl.Pos{Line: 5, Column: 1, Byte: 48},
				},
			},
		},
		{
			`block "label" {
  attr = object({
    foo =
  })
`,
			&Body{
				Attributes: Attributes{},
				Blocks: Blocks{
					{
						Type:   "block",
						Labels: []string{"label"},
						Body: &Body{
							Attributes: Attributes{
								"attr": {
									Name: "attr",
									Expr: &FunctionCallExpr{
										Name: "object",
										Args: []Expression{
											&ObjectConsExpr{
												SrcRange: hcl.Range{
													Start: hcl.Pos{Line: 2, Column: 17, Byte: 32},
													End:   hcl.Pos{Line: 4, Column: 4, Byte: 47},
												},
												OpenRange: hcl.Range{
													Start: hcl.Pos{Line: 2, Column: 17, Byte: 32},
													End:   hcl.Pos{Line: 2, Column: 18, Byte: 33},
												},
											},
										},
										NameRange: hcl.Range{
											Start: hcl.Pos{Line: 2, Column: 10, Byte: 25},
											End:   hcl.Pos{Line: 2, Column: 16, Byte: 31},
										},
										OpenParenRange: hcl.Range{
											Start: hcl.Pos{Line: 2, Column: 16, Byte: 31},
											End:   hcl.Pos{Line: 2, Column: 17, Byte: 32},
										},
										CloseParenRange: hcl.Range{
											Start: hcl.Pos{Line: 4, Column: 4, Byte: 47},
											End:   hcl.Pos{Line: 4, Column: 5, Byte: 48},
										},
									},
									SrcRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 3, Byte: 18},
										End:   hcl.Pos{Line: 4, Column: 5, Byte: 48},
									},
									NameRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 3, Byte: 18},
										End:   hcl.Pos{Line: 2, Column: 7, Byte: 22},
									},
									EqualsRange: hcl.Range{
										Start: hcl.Pos{Line: 2, Column: 8, Byte: 23},
										End:   hcl.Pos{Line: 2, Column: 9, Byte: 24},
									},
								},
							},
							Blocks: Blocks{},
							SrcRange: hcl.Range{
								Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
								End:   hcl.Pos{Line: 5, Column: 1, Byte: 49},
							},
							EndRange: hcl.Range{
								Start: hcl.Pos{Line: 5, Column: 1, Byte: 49},
								End:   hcl.Pos{Line: 5, Column: 1, Byte: 49},
							},
						},
						TypeRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
							End:   hcl.Pos{Line: 1, Column: 6, Byte: 5},
						},
						LabelRanges: []hcl.Range{
							{
								Start: hcl.Pos{Line: 1, Column: 7, Byte: 6},
								End:   hcl.Pos{Line: 1, Column: 14, Byte: 13},
							},
						},
						OpenBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 1, Column: 15, Byte: 14},
							End:   hcl.Pos{Line: 1, Column: 16, Byte: 15},
						},
						CloseBraceRange: hcl.Range{
							Start: hcl.Pos{Line: 5, Column: 1, Byte: 49},
							End:   hcl.Pos{Line: 5, Column: 1, Byte: 49},
						},
					},
				},
				SrcRange: hcl.Range{
					Start: hcl.Pos{Line: 1, Column: 1, Byte: 0},
					End:   hcl.Pos{Line: 5, Column: 1, Byte: 49},
				},
				EndRange: hcl.Range{
					Start: hcl.Pos{Line: 5, Column: 1, Byte: 49},
					End:   hcl.Pos{Line: 5, Column: 1, Byte: 49},
				},
			},
		},
	}
	opts := cmp.Options{
		cmpopts.IgnoreUnexported(FunctionCallExpr{}),
		cmpopts.IgnoreUnexported(Body{}),
		cmpopts.IgnoreUnexported(cty.Value{}),
	}
	for i, test := range tests {
		t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
			t.Logf("\n%s", test.input)
			file, _ := ParseConfig([]byte(test.input), "", hcl.InitialPos)

			got := file.Body

			if diff := cmp.Diff(got, test.want, opts); diff != "" {
				t.Errorf(diff)
			}
		})
	}
}

func TestParseConfigDiagnostics(t *testing.T) {
	// This test function is a variant of TestParseConfig which tests for
	// specific error messages for certain kinds of invalid input where we
	// intend to produce a particular helpful error message.

	tests := map[string]struct {
		input string
		want  hcl.Diagnostics
	}{
		"unclosed multi-line block (no contents)": {
			"blah {\n",
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Unclosed configuration block",
					Detail:   "There is no closing brace for this block before the end of the file. This may be caused by incorrect brace nesting elsewhere in this file.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 6, Byte: 5},
						End:      hcl.Pos{Line: 1, Column: 7, Byte: 6},
					},
				},
			},
		},
		"unclosed multi-line block (after one argument)": {
			"blah {\n  a = 1\n",
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Unclosed configuration block",
					Detail:   "There is no closing brace for this block before the end of the file. This may be caused by incorrect brace nesting elsewhere in this file.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 6, Byte: 5},
						End:      hcl.Pos{Line: 1, Column: 7, Byte: 6},
					},
				},
			},
		},
		"unclosed single-line block (no contents)": {
			"blah {",
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Unclosed configuration block",
					Detail:   "There is no closing brace for this block before the end of the file. This may be caused by incorrect brace nesting elsewhere in this file.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 6, Byte: 5},
						End:      hcl.Pos{Line: 1, Column: 7, Byte: 6},
					},
				},
			},
		},
		"unclosed single-line block (after its argument)": {
			"blah { a = 1",
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Unclosed configuration block",
					Detail:   "There is no closing brace for this block before the end of the file. This may be caused by incorrect brace nesting elsewhere in this file.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 6, Byte: 5},
						End:      hcl.Pos{Line: 1, Column: 7, Byte: 6},
					},
					Context: &hcl.Range{ // In this case we can also report a context because we detect this error in a more convenient place in the parser
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 1, Byte: 0},
						End:      hcl.Pos{Line: 1, Column: 7, Byte: 6},
					},
				},
			},
		},
		"unclosed object constructor (before element separator)": {
			`foo = { a = 1`,
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Unterminated object constructor expression",
					Detail:   "There is no corresponding closing brace before the end of the file. This may be caused by incorrect brace nesting elsewhere in this file.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 7, Byte: 6},
						End:      hcl.Pos{Line: 1, Column: 8, Byte: 7},
					},
				},
			},
		},
		"unclosed object constructor (before equals)": {
			`foo = { a `,
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Unterminated object constructor expression",
					Detail:   "There is no corresponding closing brace before the end of the file. This may be caused by incorrect brace nesting elsewhere in this file.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 7, Byte: 6},
						End:      hcl.Pos{Line: 1, Column: 8, Byte: 7},
					},
				},
			},
		},
		"unclosed tuple constructor (before element separator)": {
			`foo = [ a`,
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Unterminated tuple constructor expression",
					Detail:   "There is no corresponding closing bracket before the end of the file. This may be caused by incorrect bracket nesting elsewhere in this file.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 7, Byte: 6},
						End:      hcl.Pos{Line: 1, Column: 8, Byte: 7},
					},
				},
			},
		},
		"unclosed function call": {
			`foo = boop("a"`,
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Unterminated function call",
					Detail:   "There is no closing parenthesis for this function call before the end of the file. This may be caused by incorrect parenthesis nesting elsewhere in this file.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 7, Byte: 6},
						End:      hcl.Pos{Line: 1, Column: 12, Byte: 11},
					},
				},
			},
		},
		"unclosed grouping parentheses": {
			`foo = (1`,
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Unbalanced parentheses",
					Detail:   "Expected a closing parenthesis to terminate the expression.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 9, Byte: 8},
						End:      hcl.Pos{Line: 1, Column: 9, Byte: 8},
					},
					Context: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 7, Byte: 6},
						End:      hcl.Pos{Line: 1, Column: 9, Byte: 8},
					},
				},
			},
		},
		"unclosed template interpolation at EOF": {
			`foo = "${a`,
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Unclosed template interpolation sequence",
					Detail:   "There is no closing brace for this interpolation sequence before the end of the file. This might be caused by incorrect nesting inside the given expression.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 8, Byte: 7},
						End:      hcl.Pos{Line: 1, Column: 10, Byte: 9},
					},
				},
			},
		},
		"unclosed quoted template interpolation at closing quote": {
			`foo = "${a"`,
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Unclosed template interpolation sequence",
					Detail:   "There is no closing brace for this interpolation sequence before the end of the quoted template. This might be caused by incorrect nesting inside the given expression.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 8, Byte: 7},
						End:      hcl.Pos{Line: 1, Column: 10, Byte: 9},
					},
				},
			},
		},
		"unclosed quoted template at literal part": {
			`foo = "${a}`,
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Unterminated template string",
					Detail:   "No closing marker was found for the string.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 12, Byte: 11},
						End:      hcl.Pos{Line: 1, Column: 12, Byte: 11},
					},
					Context: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 8, Byte: 7},
						End:      hcl.Pos{Line: 1, Column: 12, Byte: 11},
					},
				},
			},
		},

		// Some of our "unclosed" situations happen at a less convenient time
		// when we only know we're waiting for an expression, so those get
		// an error message with much less context.
		"unclosed object constructor (before any expression)": {
			`foo = {`,
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Missing expression",
					Detail:   "Expected the start of an expression, but found the end of the file.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 8, Byte: 7},
						End:      hcl.Pos{Line: 1, Column: 8, Byte: 7},
					},
				},
			},
		},
		"unclosed tuple constructor (before any expression)": {
			`foo = [`,
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Missing expression",
					Detail:   "Expected the start of an expression, but found the end of the file.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 8, Byte: 7},
						End:      hcl.Pos{Line: 1, Column: 8, Byte: 7},
					},
				},
			},
		},
		"unclosed function call (before any argument)": {
			`foo = foo(`,
			hcl.Diagnostics{
				{
					Severity: hcl.DiagError,
					Summary:  "Missing expression",
					Detail:   "Expected the start of an expression, but found the end of the file.",
					Subject: &hcl.Range{
						Filename: "test.hcl",
						Start:    hcl.Pos{Line: 1, Column: 11, Byte: 10},
						End:      hcl.Pos{Line: 1, Column: 11, Byte: 10},
					},
				},
			},
		},
	}

	for name, test := range tests {
		t.Run(name, func(t *testing.T) {
			t.Logf("\n%s", test.input)
			_, diags := ParseConfig([]byte(test.input), "test.hcl", hcl.InitialPos)

			if diff := deep.Equal(diags, test.want); diff != nil {
				for _, problem := range diff {
					t.Errorf(problem)
				}
			}
		})
	}
}