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#
# This syntax definition is based on the Terraform guide:
# https://www.terraform.io/docs/configuration/index.html
#
# Formatting is loosely based on Sublime's and VSCode's syntax highlighting for Terraform:
# https://github.com/totoroot/Terraform.tmLanguage/blob/master/Terraform.sublime-syntax
# https://github.com/hashicorp/vscode-terraform/blob/main/syntaxes/terraform.tmGrammar.json
#
filetype: terraform
detect:
# File Extensions:
#
# - ".tf": the standard file extension
# https://www.terraform.io/docs/configuration/index.html#code-organization
#
# - ".hcl": non-terraform tools often use this HCL syntax, i.e. Vault
# https://www.vaultproject.io/docs/configuration/
filename: "\\.tf$|\\.hcl$"
rules:
# Named Values
#
# https://www.terraform.io/docs/language/expressions/references.html
- identifier: "\\b(var|local|module|data|path|terraform)\\b"
# Block types
#
# resource: https://www.terraform.io/docs/language/resources/syntax.html
# provider: https://www.terraform.io/docs/language/providers/configuration.html
# variable: https://www.terraform.io/docs/language/values/variables.html
# output: https://www.terraform.io/docs/language/values/outputs.html
# locals: https://www.terraform.io/docs/language/values/locals.html
# module: https://www.terraform.io/docs/language/modules/syntax.html
# data: https://www.terraform.io/docs/language/data-sources/index.html
# terraform: https://www.terraform.io/docs/language/settings/index.html#terraform-block-syntax
- special: "\\b(resource|provider|variable|output|locals|module|terraform)\\b"
# Built-In type keywords
#
# https://www.terraform.io/docs/language/expressions/type-constraints.html#primitive-types
# https://www.terraform.io/docs/language/expressions/type-constraints.html#dynamic-types-the-quot-any-quot-constraint
- type.keyword: "\\b(any|string|number|bool)\\b"
# Built-In Functions
#
# https://www.terraform.io/docs/language/functions/index.html
- statement: "\\b(abs|ceil|floor|log|max|min|parseint|pow|signum|chomp|format|formatlist|indent|join|lower|regex|regexall|replace|split|strrev|substr|title|trim|trimprefix|trimsuffix|trimspace|upper|alltrue|anytrue|chunklist|coalesce|coalescelist|compact|concat|contains|distinct|element|flatten|index|keys|length|list|lookup|map|matchkeys|merge|one|range|reverse|setintersection|setproduct|setsubtract|setunion|slice|sort|sum|transpose|values|zipmap|base64decode|base64encode|base64gzip|csvdecode|jsondecode|jsonencode|textdecodebase64|textencodebase64|urlencode|yamldecode|yamlencode|abspath|dirname|pathexpand|basename|file|fileexists|fileset|filebase64|templatefile|formatdate|timeadd|timestamp|base64sha256|base64sha512|bcrypt|filebase64sha256|filebase64sha512|filemd5|filesha1|filesha256|filesha512|md5|rsadecrypt|sha1|sha256|sha512|uuid|uuidv5|cidrhost|cidrnetmask|cidrsubnet|cidrsubnets|can|defaults|nonsensitive|sensitive|tobool|tolist|tomap|tonumber|toset|tostring|try)\\b"
- symbol.operator: "([~^.:;,+*|=!\\%@]|<|>|/|-|&)"
- symbol.brackets: "([(){}]|\\[|\\])"
- constant.number: "\\b([0-9]+|0x[0-9a-fA-F]*)\\b|'.'"
- constant.bool: "\\b(true|false|null)\\b"
- constant.string:
start: "\""
end: "\""
skip: "\\\\."
rules:
- constant.specialChar: "%."
- constant.specialChar: "\\\\[abfnrtv'\\\"\\\\]"
- constant.specialChar: "\\\\([0-7]{3}|x[A-Fa-f0-9]{2}|u[A-Fa-f0-9]{4}|U[A-Fa-f0-9]{8})"
- constant.string:
start: "''"
end: "''"
skip: "\\\\."
rules:
- constant.specialChar: "%."
- constant.specialChar: "\\\\[abfnrtv'\\\"\\\\]"
- constant.specialChar: "\\\\([0-7]{3}|x[A-Fa-f0-9]{2}|u[A-Fa-f0-9]{4}|U[A-Fa-f0-9]{8})"
- comment:
start: "#|//"
end: "$\\n?"
rules:
- todo: "(TODO|XXX|FIXME):?"
- comment:
start: "/\\*"
end: "\\*/"
rules:
- todo: "(TODO|XXX|FIXME):?"
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