## Syntax highlighting for Hashicorp Terraform / HCL files.

# See:  https://github.com/hashicorp/hcl
# Original author:  John Boero
# License:  GPLv3 or newer

syntax "hcl" "\.(tf|hcl)$"
# No comments are permitted in JSON.
comment ""

# Numbers (used as value).
color green ":[[:space:]]*\-?(0|[1-9][0-9]*)(\.[0-9]+)?([Ee]?[-+]?[0-9]+)?"
# Values (well, any string).
color brightmagenta "\".+\""
# Hex numbers (used as value).
color green ":[[:space:]]*\"#[0-9abcdefABCDEF]+\""
# Escapes.
color green "\\\\" "\\\"" "\\[bfnrt]" "\\u[0-9abcdefABCDEF]{4})"
# Special words.
color green "(true|false|null|output|path|vault|description|default|value)"

color brightgreen "(variable|terraform|resource|provider|module)"

# Names (very unlikely to contain a quote).
color brightblue "\"[^"]+\"[[:space:]]*:"

# Brackets, braces, and separators.
color brightblue "\[" "\]"
color brightred "\{" "\}"
color brightred "," ":"

# Comments.
color cyan "(^|[[:space:]]+)(//|#).*$"

# Trailing whitespace.
color ,green "[[:space:]]+$"