Disallow objects in lists

lex.go

@@ -3,7 +3,6 @@ package hcl
 import (
 	"bytes"
 	"fmt"
-	"log"
 	"strconv"
 	"unicode"
 	"unicode/utf8"
@@ -56,6 +55,8 @@ func (x *hclLex) Lex(yylval *hclSymType) int {
 		}
 
 		switch c {
+		case ':':
+			return COLON
 		case ',':
 			return COMMA
 		case '=':
@@ -143,20 +144,12 @@ func (x *hclLex) lexId(yylval *hclSymType) int {
 			break
 		}
 
-		// If this isn't a character we want in an ID, return out.
+		if unicode.IsSpace(c) {
-		// One day we should make this a regexp.
-		if c != '_' &&
-			c != '-' &&
-			c != '.' &&
-			c != '*' &&
-			!unicode.IsLetter(c) &&
-			!unicode.IsNumber(c) {
 			x.backup()
 			break
 		}
 
 		if _, err := b.WriteRune(c); err != nil {
-			log.Printf("ERR: %s", err)
 			return lexEOF
 		}
 	}
@@ -211,7 +204,6 @@ func (x *hclLex) lexString(yylval *hclSymType) int {
 		}
 
 		if _, err := b.WriteRune(c); err != nil {
-			log.Printf("ERR: %s", err)
 			return lexEOF
 		}
 	}
@@ -259,7 +251,6 @@ func (x *hclLex) backup() {
 // createErr records the given error
 func (x *hclLex) createErr(msg string) {
 	x.err = fmt.Errorf("Line %d, column %d: %s", x.line, x.col, msg)
-	log.Printf("parse error: %s", x.err)
 }
 
 // The parser calls this method on a parse error.

lex_test.go

@@ -24,6 +24,20 @@ func TestLex(t *testing.T) {
 				lexEOF,
 			},
 		},
+		{
+			"assign_colon.hcl",
+			[]int{
+				IDENTIFIER, EQUAL, LEFTBRACKET, LEFTBRACE,
+				STRING, COLON, LEFTBRACE,
+				STRING, COLON, LEFTBRACE, RIGHTBRACE, COMMA,
+				STRING, COLON, LEFTBRACKET,
+				NUMBER, COMMA, NUMBER, COMMA, STRING,
+				RIGHTBRACKET, COMMA,
+				RIGHTBRACE,
+				RIGHTBRACE, RIGHTBRACKET,
+				lexEOF,
+			},
+		},
 		{
 			"list.hcl",
 			[]int{

parse.y

@@ -19,7 +19,7 @@ package hcl
 %type   <str> blockId
 
 %token  <num> NUMBER
-%token  <str> COMMA IDENTIFIER EQUAL NEWLINE STRING
+%token  <str> COLON COMMA IDENTIFIER EQUAL NEWLINE STRING
 %token  <str> LEFTBRACE RIGHTBRACE LEFTBRACKET RIGHTBRACKET
 
 %%
@@ -128,11 +128,7 @@ list:
 	}
 
 listitem:
-	object
+	NUMBER
-	{
-		$$ = $1
-	}
-|	NUMBER
 	{
 		$$ = LiteralNode{
 			Type:  ValueTypeInt,

parse_test.go

@@ -11,6 +11,10 @@ func TestParse(t *testing.T) {
 		Name string
 		Err  bool
 	}{
+		{
+			"assign_colon.hcl",
+			true,
+		},
 		{
 			"comment.hcl",
 			false,
@@ -32,12 +36,12 @@ func TestParse(t *testing.T) {
 			false,
 		},
 		{
-			"assign_deep.hcl",
+			"complex.hcl",
 			false,
 		},
 		{
-			"complex.hcl",
+			"assign_deep.hcl",
-			false,
+			true,
 		},
 	}
 

test-fixtures/assign_colon.hcl

@@ -0,0 +1,6 @@
+resource = [{
+	"foo": {
+		"bar": {},
+		"baz": [1, 2, "foo"],
+	}
+}]