Add highlighting for Plan output

Terraform Plan.sublime-syntax

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+%YAML 1.2
+---
+# http://www.sublimetext.com/docs/syntax.html
+# https://github.com/hashicorp/terraform/blob/337bf8e11b75dff87509455cabee60b023dd586e/internal/command/jsonformat/plan.go#L201
+name: Terraform Plan
+scope: source.diff.terraform
+
+file_extensions:
+  - tfplan
+  - tf.plan
+
+contexts:
+
+  main:
+    - include: comments
+    - include: diffs
+    - include: summary
+
+  comments:
+    - match: '#'
+      scope: punctuation.definition.comment.terraform
+      push:
+        - meta_scope: comment.line.number-sign.terraform
+        - include: pop-eol
+
+  diffs:
+    - match: ^\+/-
+      scope: punctuation.definition.changed.diff
+      push: line-created-then-destroyed
+    - match: ^-/\+
+      scope: punctuation.definition.changed.diff
+      push: line-destroyed-then-created
+    - match: ^!
+      scope: punctuation.definition.changed.diff
+      push: line-changed
+    - match: ^\+
+      scope: punctuation.definition.inserted.diff
+      push: line-inserted
+    - match: ^-
+      scope: punctuation.definition.deleted.diff
+      push: line-deleted
+
+  annotations:
+    - match: ->
+      scope: keyword.operator.assignment.terraform
+    - match: \(known after apply\)$
+      scope: comment.block.terraform
+    - match: \bnull$
+      scope: constant.language.null.terraform
+
+  line-deleted:
+    - meta_scope: markup.deleted.diff
+    - include: pop-eol
+    - include: annotations
+
+  line-inserted:
+    - meta_scope: markup.inserted.diff
+    - include: pop-eol
+    - include: annotations
+
+  line-changed:
+    - meta_scope: markup.changed.updated-in-place.diff
+    - include: pop-eol
+    - include: annotations
+
+  line-created-then-destroyed:
+    - meta_scope: markup.changed.created-then-destroyed.diff
+    - include: pop-eol
+    - include: annotations
+
+  line-destroyed-then-created:
+    - meta_scope: markup.changed.destroyed-then-created.diff
+    - include: pop-eol
+    - include: annotations
+
+  line-ignored:
+    - meta_scope: comment.line.diff
+    - include: pop-eol
+    - include: annotations
+
+  summary:
+    - match: ^(?=Plan:[ ]\d)
+      push:
+        - meta_scope: meta.block.summary.terraform
+        - include: pop-eol
+        - match: ','
+          scope: punctuation.separator.sequence.terraform
+        - match: \.
+          scope: punctuation.terminator.terraform
+        - match: (\d+) to add
+          scope: markup.inserted.terraform
+          captures:
+            1: meta.number.integer.decimal.terraform constant.numeric.value.terraform
+        - match: (\d+) to change
+          scope: markup.changed.terraform
+          captures:
+            1: meta.number.integer.decimal.terraform constant.numeric.value.terraform
+        - match: (\d+) to destroy
+          scope: markup.deleted.terraform
+          captures:
+            1: meta.number.integer.decimal.terraform constant.numeric.value.terraform
+
+  pop-eol:
+    - match: \n|$
+      pop: 1

syntax_test_terraform_plan.tfplan

@@ -0,0 +1,104 @@
+# SYNTAX TEST "Terraform Plan.sublime-syntax"
+
+Terraform used the selected providers to generate the following execution
+plan. Resource actions are indicated with the following symbols:
+
++   create
+!   update-in-place
+-   destroy
+-/+ destroy and then create replacement
+
+Terraform will perform the following actions:
+
+  # aws_route53_record_cname_autodiscover_example_com must be replaced
+-/+ resource "aws_route53_record" "cname_autodiscover_example_com" {
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.changed.destroyed-then-created.diff
+#^^ punctuation.definition.changed.diff
++       allow_overwrite = (known after apply)
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.inserted.diff
+#                         ^^^^^^^^^^^^^^^^^^^ comment.block.terraform
+!       fqdn            = "autodiscover.example.com" -> (known after apply)
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.changed.updated-in-place.diff
+#                                                    ^^ keyword.operator.assignment.terraform
+#                                                       ^^^^^^^^^^^^^^^^^^^ comment.block.terraform
+!       id              = "ABCDEABCDEABCDEA_autodiscover_CNAME" -> (known after apply)
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.changed.updated-in-place.diff
+#                                                               ^^ keyword.operator.assignment.terraform
+#                                                                  ^^^^^^^^^^^^^^^^^^^ comment.block.terraform
+!       name            = "autodiscover.example.com" -> (known after apply)
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.changed.updated-in-place.diff
+#                                                    ^^ keyword.operator.assignment.terraform
+#                                                       ^^^^^^^^^^^^^^^^^^^ comment.block.terraform
+        # (4 unchanged attributes hidden)
+# ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - markup
+    }
+# ^^^^ - markup
+
+  # aws_route53_record_cname_lyncdiscover_example_com will be destroyed
+-   resource "aws_route53_record" "cname_lyncdiscover_example_com_old" {
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.deleted.diff
+-       fqdn    = "lyncdiscover.example.com" -> null
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.deleted.diff
+#                                            ^^ keyword.operator.assignment.terraform
+#                                               ^^^^ constant.language.null.terraform
+-       id      = "ABCDEABCDEABCDEA_lyncdiscover_CNAME" -> null
+-       name    = "lyncdiscover" -> null
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.deleted.diff
+#                                ^^ keyword.operator.assignment.terraform
+#                                   ^^^^ constant.language.null.terraform
+-       records = [
+-           "webdir.online.lync.com.",
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.deleted.diff
+        ] -> null
+-       ttl     = 7200 -> null
+-       type    = "CNAME" -> null
+-       zone_id = "ABCDEABCDEABCDEA" -> null
+    }
+
+  # aws_route53_record_cname_lyncdiscover_example_com will be created
++   resource "aws_route53_record" "cname_lyncdiscover_example_com_new" {
++       fqdn    = (known after apply)
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.inserted.diff
+#                 ^^^^^^^^^^^^^^^^^^^ comment.block.terraform
++       id      = (known after apply)
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.inserted.diff
+#                 ^^^^^^^^^^^^^^^^^^^ comment.block.terraform
++       name    = (known after apply)
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.inserted.diff
+#                 ^^^^^^^^^^^^^^^^^^^ comment.block.terraform
++       records = [
++           "webdir.online.lync.com.",
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.inserted.diff
+        ]
++       ttl     = 7200
++       type    = "CNAME"
++       zone_id = "ABCDEABCDEABCDEA"
+    }
+
+  # aws_route53_record_zone_example_com will be updated in-place
+!   resource "aws_route53_record" "cname_autodiscover_example_com" {
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.changed.updated-in-place.diff
+!       comment       = "Records for the example.com domain" -> "Records for the example.com domains"
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ markup.changed.updated-in-place.diff
+#                                                            ^^ keyword.operator.assignment.terraform
+        id            = "ABCDEABCDEABCDEA"
+        name          = "example.com"
+        tags          = {
+            "Provisioner" = "Terraform"
+            "System"      = "example"
+            "Workspace"   = "production"
+        }
+        # (3 unchanged attributes hidden)
+    }
+
+Plan: 2 to add, 1 to change, 2 to destroy.
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.block.summary.terraform
+#     ^^^^^^^^ markup.inserted.terraform
+#     ^ meta.number.integer.decimal.terraform constant.numeric.value.terraform
+#             ^ punctuation.separator.sequence.terraform
+#               ^^^^^^^^^^^ markup.changed.terraform
+#               ^ meta.number.integer.decimal.terraform constant.numeric.value.terraform
+#                          ^ punctuation.separator.sequence.terraform
+#                            ^^^^^^^^^^^^ markup.deleted.terraform
+#                            ^ meta.number.integer.decimal.terraform constant.numeric.value.terraform
+#                                        ^ punctuation.terminator.terraform