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125 Commits

Author SHA1 Message Date
Paul Hinze
5612ebd968 Handle multiple interpolations in string. 
A user testing an RC release of Terraform 0.6.7 found the following
string unexpectedly caused a syntax error:

    "echo ${var.region}${element(split(",",var.zones),0)}"

This fixes the error and covers it with a test.
 2015-11-19 13:56:32 -06:00
Paul Hinze
feb701804f Restore old behavior for \" within interpolations 
Before the parser rewrite, HCL would silently convert `\"` within
interpolation braces to `"`.

After the conversion, this became a syntax error.

We've found several instances of Terraform configs in the wild using
this syntax. It results in a hard "syntax error" message during config
parsing. While avoiding the extra escape on double quotes within
interpolations is definitely preferred, the UX of the syntax error feels
harsh enough to be worth inserting this backwards compatibility for now,
leaving us the option of deprecating it with a warning down the line.
 2015-11-19 12:04:02 -06:00
Mitchell Hashimoto
201420aad0 hcl/parser: store position on every parse err [GH-54] 2015-11-15 15:03:31 -08:00
Fatih Arslan
d45f5d133c ast: change signature of Walk() to allow rewriting AST 
With the previous Walk function it's not easy to rewrite the node as we
don't have any kind of reference to the parent. If we want to rewrite a
given AST, we have to manually traverse it as Walk is not usable. To
allow us rewriting the AST we change the signature of the function
passed to Walk. It'll allow us to rewrite the AST and return back.
Internally Walk() overrides the returned AST.

This idea was also talked here:
https://groups.google.com/forum/#!topic/golang-nuts/cRZQV36IckM
extensively.
 2015-11-14 21:58:31 +02:00
Fatih Arslan
99ce7c7e2c parser: fix syntax error on missing comma 
Fixes hashicorp/terraform#3877
 2015-11-12 15:26:23 +02:00
Mitchell Hashimoto
616214bb2e hcl/printer: cleanup how we handle heredocs 2015-11-10 15:06:32 -08:00
Mitchell Hashimoto
7b107c7b54 hcl/printer: clear trailing newline from heredoc 2015-11-10 15:02:21 -08:00
Mitchell Hashimoto
16dcdb88fa hcl/printer: unindent for heredocs 2015-11-10 14:54:46 -08:00
Mitchell Hashimoto
db97e1a99c hcl/token: Value for heredoc 2015-11-10 14:09:01 -08:00
Mitchell Hashimoto
0f965478b6 hcl/parser: parse heredocs 2015-11-10 14:03:29 -08:00
Mitchell Hashimoto
6c34ace97d hcl/token: heredoc token 2015-11-10 14:02:37 -08:00
Mitchell Hashimoto
82ad2beb52 hcl/scanner: scan heredocs 2015-11-10 14:01:56 -08:00
Mitchell Hashimoto
d726517f58 hcl/ast: tests for Filter 2015-11-09 09:08:05 -08:00
Mitchell Hashimoto
eabb04dcd5 hcl/ast: filter should compare value string 2015-11-08 16:25:40 -08:00
Mitchell Hashimoto
278bb105f2 hcl/ast: style 2015-11-08 16:20:22 -08:00
Mitchell Hashimoto
340f0af3c0 json/token: fix issues with unquoting sttrings from JSON 2015-11-08 16:08:36 -08:00
Mitchell Hashimoto
15fce08259 hcl/ast: walk the objectlist within an objecttype 2015-11-07 16:47:50 -08:00
Mitchell Hashimoto
0704c168e1 hcl/printer: make boolean logic one line 2015-11-07 15:15:40 -08:00
Mitchell Hashimoto
b24dfd1bb1 hcl/printer: output an equal sign only if we had one originally 2015-11-07 15:13:05 -08:00
Mitchell Hashimoto
9ca9a4e1c3 hcl/ast: simplify API 2015-11-07 10:25:22 -08:00
Mitchell Hashimoto
32411ba6af hcl/ast: Get should return a list 2015-11-07 09:52:50 -08:00
Mitchell Hashimoto
e370e34aeb down to one failing test 2015-11-07 00:12:04 -08:00
Mitchell Hashimoto
5aaa3e75b9 hcl/parser: scan errors should come through as well 2015-11-06 23:42:45 -08:00
Mitchell Hashimoto
6cc18eb70b hcl/scanner: actually scan all things with exponents as floats 2015-11-06 23:33:25 -08:00
Mitchell Hashimoto
0c18c66fff hcl/ast: ObjectList.Prefix 2015-11-06 23:12:08 -08:00
Mitchell Hashimoto
7996653560 hcl/strconv: more error cases 2015-11-06 23:02:59 -08:00
Mitchell Hashimoto
c8f28b7b42 hcl/strconv: custom unquote logic 2015-11-06 23:00:37 -08:00
Mitchell Hashimoto
68e40f3944 hcl/token: Value should unquote string 2015-11-06 22:35:07 -08:00
Mitchell Hashimoto
16ce140272 hcl/token: add Value for IDENT 2015-11-06 18:29:48 -08:00
Mitchell Hashimoto
798e1c6c05 hcl/scanner: allow hyphens in idents 2015-11-06 17:56:57 -08:00
Mitchell Hashimoto
22bdcc2db1 hcl/scanner: scan interpolations properly 2015-11-06 17:55:07 -08:00
Mitchell Hashimoto
96291d2dbe hcl/token: add Value to get the rich type value 2015-11-06 17:28:38 -08:00
Mitchell Hashimoto
c1090aad4a hcl: delete old parser 2015-11-06 16:18:44 -08:00
Mitchell Hashimoto
d7c35808a8 move hclnew to hcl 2015-11-06 16:04:20 -08:00
Mitchell Hashimoto
4de51957ef hcl: fix trailing comma + comment parse error 
https://github.com/hashicorp/terraform/issues/3249
 2015-09-16 09:54:29 -07:00
Mitchell Hashimoto
5486421143 hcl: multi-line comments aren't allowed to terminate with EOF 2015-06-23 21:38:11 -07:00
Mitchell Hashimoto
681623f4e1 hcl: don't allow nested comments 
This copies C's behavior and disallows nested block comments. It ignores
a new /* within an existing block comment and ends at the first */
 2015-06-23 21:34:40 -07:00
Mitchell Hashimoto
513e04c400 hcl: use stringer to generate string values for ValueType 2015-01-15 15:12:25 -08:00
Mitchell Hashimoto
3c3a30a1e5 Use go generate to generate parsers 2015-01-15 15:11:14 -08:00
Atin Malaviya
5f50053914 Modified to import github.com/hashicorp/go-multierror rather than terraform's multierror. 2014-12-24 17:49:50 -05:00
Mitchell Hashimoto
256bb51ed8 hcl: support "." in identifier 2014-12-17 11:39:45 -08:00
Mitchell Hashimoto
e51eabcdf8 parse floats 1.02 properly [GH-19] 2014-11-12 21:29:07 -08:00
Mitchell Hashimoto
88ef419bd9 Properly decode \\n 2014-11-12 21:12:45 -08:00
Mitchell Hashimoto
ab2c4c3120 hcl: complex keys can be set using strings 2014-11-12 21:08:08 -08:00
Matt Hartzler
f41fb6a9c4 fixup comment typo 2014-10-16 09:53:03 -05:00
Mitchell Hashimoto
764b0ad3c0 Allow escaping quotes in HCL string [GH-14] 2014-10-10 16:07:25 -07:00
Mitchell Hashimoto
6606366746 hcl: trailing comma support in HCL 2014-09-30 14:58:50 -07:00
Mitchell Hashimoto
3fc289c4d2 hcl: test parsing an empty file 2014-09-15 09:38:43 -07:00
Mitchell Hashimoto
86d22484a4 hcl: can parse empty file with just a comment 2014-09-14 19:59:36 -07:00
Mitchell Hashimoto
9b5d9eb9b0 hcl: fix scenario where infinite loop happens 2014-09-07 16:18:56 -07:00
Mitchell Hashimoto
a0a5d2873e hcl: identifiers can have '-' 2014-08-28 17:03:42 -07:00
Mitchell Hashimoto
71e25b33f0 Fix broken parsing case 2014-08-28 16:56:08 -07:00
Mitchell Hashimoto
982cf1ff35 hcl: stop number if whitespace 
/cc @sbinet - The issue was in the lexer. It was seeing:

1.2e-10
e =

As:

1.2e-10e
 2014-08-22 12:29:30 -07:00
Sebastien Binet
8438e17f49 all: first stab to full scientific notation support 2014-08-22 10:34:03 +02:00
Mitchell Hashimoto
26239b8eab hcl: support heredocs [GH-6] 2014-08-21 14:54:13 -07:00
Mitchell Hashimoto
f65d314d58 hcl: support variable interpolations for compat with libucl 2014-08-21 14:38:45 -07:00
Mitchell Hashimoto
b9f494b747 hcl: support scientific notation 2014-08-21 11:29:33 -07:00
Mitchell Hashimoto
b699557f16 Decode into proper arrays of things, add many test cases 
/cc @armon - This changes how Consul has to define its structure. Ping
me tomorrow to learn more, but going to leave it here for reference too:

The Consul case (there is a test case) never worked even with go-libucl,
because there is an ambiguity of whether you want the inner children or
the array of outer elements (the slice in the Policy struct).

I've added a new modifier you can specify with a tag called "expand"
which will tell hcl to expand the value to its children for decoding.
You can see me use it in the test case which verifies that the Consul
ACLs parse.
 2014-08-17 23:50:44 -07:00
Mitchell Hashimoto
1a9d040ea4 Support Elem on lists 2014-08-11 21:33:44 -07:00
Mitchell Hashimoto
bf89042e7b hcl: Elem on nil should return nil 2014-08-11 21:11:00 -07:00
Mitchell Hashimoto
99d585c297 Tests pass. 2014-08-11 20:58:20 -07:00
Mitchell Hashimoto
719a177dba decoding structs a bit 2014-08-11 16:51:52 -07:00
Mitchell Hashimoto
a3b46cc5d6 hcl: use new Object structure 2014-08-11 16:13:24 -07:00
Mitchell Hashimoto
61bd5db85c Fix consul test case 2014-08-08 15:16:42 -07:00
Mitchell Hashimoto
a9d6287a6e hcl: support empty lists 2014-08-04 22:45:47 -07:00
Mitchell Hashimoto
0d84234df1 hcl: support booleans 2014-08-04 22:23:11 -07:00
Mitchell Hashimoto
398c583f25 hcl,json: fix list and object ordering 2014-08-04 21:53:39 -07:00
Mitchell Hashimoto
33c2953c5b hcl: set the key 2014-08-04 09:27:50 -07:00
Mitchell Hashimoto
481bfbf3c0 hcl: continue to simplify hcl ast 2014-08-03 22:02:57 -07:00
Mitchell Hashimoto
783acc2aa1 ObjectNodes can only have assignments 2014-08-03 21:56:50 -07:00
Mitchell Hashimoto
8c0a6c555f hcl: negative numbers and floats 2014-08-03 17:33:29 -07:00
Mitchell Hashimoto
42dabeb54f hcl: remove the tests for AST structure 2014-08-03 13:43:34 -07:00
Mitchell Hashimoto
b2ba9e7b3e Decode structures 2014-08-02 16:07:54 -07:00
Mitchell Hashimoto
59e0ca9d5a Start the decoder 2014-08-02 15:44:45 -07:00
Mitchell Hashimoto
d5f339015f hcl package for hcl parsing 2014-08-02 11:41:10 -07:00