Merge pull request #132 from hashicorp/b-remove-bc-double-quote-behavior

Remove BC escaped double quote behavior

decoder_test.go

@@ -64,14 +64,7 @@ func TestDecode_interface(t *testing.T) {
 				"bar":          "new\nline",
 				"qax":          `slash\:colon`,
 				"nested":       `${HH\:mm\:ss}`,
-				"nestedquotes": `${"okay"}`,
+				"nestedquotes": `${"\"stringwrappedinquotes\""}`,
-			},
-		},
-		{
-			"interpolate_escape.hcl",
-			false,
-			map[string]interface{}{
-				"foo": "${file(\"bing/bong.txt\")}",
 			},
 		},
 		{

hcl/strconv/quote.go

@@ -49,8 +49,7 @@ func Unquote(s string) (t string, err error) {
 	for len(s) > 0 {
 		// If we're starting a '${}' then let it through un-unquoted.
 		// Specifically: we don't unquote any characters within the `${}`
-		// section, except for escaped quotes and escaped backslashes, which we
+		// section, except for escaped backslashes, which we handle specifically.
-		// handle specifically.
 		if s[0] == '$' && len(s) > 1 && s[1] == '{' {
 			buf = append(buf, '$', '{')
 			s = s[2:]
@@ -65,12 +64,12 @@ func Unquote(s string) (t string, err error) {
 
 				s = s[size:]
 
-				// We special case escaped double quotes and escaped backslashes in
+				// We special case escaped backslashes in interpolations, converting
-				// interpolations, converting them to their unescaped equivalents.
+				// them to their unescaped equivalents.
 				if r == '\\' {
 					q, _ := utf8.DecodeRuneInString(s)
 					switch q {
-					case '"', '\\':
+					case '\\':
 						continue
 					}
 				}

hcl/strconv/quote_test.go

@@ -36,7 +36,7 @@ var unquotetests = []unQuoteTest{
 	{`"\a\b\f\n\r\t\v\\\""`, "\a\b\f\n\r\t\v\\\""},
 	{`"'"`, "'"},
 	{`"${file("foo")}"`, `${file("foo")}`},
-	{`"${file(\"foo\")}"`, `${file("foo")}`},
+	{`"${file("\"foo\"")}"`, `${file("\"foo\"")}`},
 	{`"echo ${var.region}${element(split(",",var.zones),0)}"`,
 		`echo ${var.region}${element(split(",",var.zones),0)}`},
 	{`"${HH\\:mm\\:ss}"`, `${HH\:mm\:ss}`},

hcl/token/token_test.go

@@ -50,7 +50,7 @@ func TestTokenValue(t *testing.T) {
 		{Token{Type: IDENT, Text: `foo`}, "foo"},
 		{Token{Type: STRING, Text: `"foo"`}, "foo"},
 		{Token{Type: STRING, Text: `"foo\nbar"`}, "foo\nbar"},
-		{Token{Type: STRING, Text: `"${file(\"foo\")}"`}, `${file("foo")}`},
+		{Token{Type: STRING, Text: `"${file("foo")}"`}, `${file("foo")}`},
 		{Token{Type: HEREDOC, Text: "<<EOF\nfoo\nbar\nEOF"}, "foo\nbar"},
 	}
 

test-fixtures/escape.hcl

@@ -3,4 +3,4 @@ bar = "new\nline"
 qux = "back\\slash"
 qax = "slash\\:colon"
 nested = "${HH\\:mm\\:ss}"
-nestedquotes = "${\"okay\"}"
+nestedquotes = "${"\"stringwrappedinquotes\""}"

test-fixtures/interpolate_escape.hcl

@@ -1 +0,0 @@
-foo="${file(\"bing/bong.txt\")}"