1 files changed, 55 insertions, 0 deletions
diff --git a/autoload/filetype/dockerfile.kak b/autoload/filetype/dockerfile.kak
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+++ b/autoload/filetype/dockerfile.kak
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+# http://docker.com
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+# See https://docs.docker.com/reference/builder
+
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufCreate .*/?Dockerfile(\..+)?$ %{
+    set-option buffer filetype dockerfile
+}
+
+# Initialization
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+hook global WinSetOption filetype=dockerfile %{
+    require-module dockerfile
+    set-option window static_words %opt{dockerfile_static_words}
+}
+
+hook -group dockerfile-highlight global WinSetOption filetype=dockerfile %{
+    add-highlighter window/dockerfile ref dockerfile
+    hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/dockerfile }
+}
+
+provide-module dockerfile %{
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+add-highlighter shared/dockerfile regions
+add-highlighter shared/dockerfile/code default-region group
+add-highlighter shared/dockerfile/double_string region '"' '(?<!\\)(\\\\)*"' fill string
+add-highlighter shared/dockerfile/single_string region "'" "'"               fill string
+add-highlighter shared/dockerfile/comment region '#' $ fill comment
+
+evaluate-commands %sh{
+    # Grammar
+    keywords="ADD|ARG|CMD|COPY|ENTRYPOINT|ENV|EXPOSE|FROM|HEALTHCHECK|LABEL"
+    keywords="${keywords}|MAINTAINER|RUN|SHELL|STOPSIGNAL|USER|VOLUME|WORKDIR"
+
+    # Add the language's grammar to the static completion list
+    printf %s\\n "declare-option str-list dockerfile_static_words ONBUILD|${keywords}" | tr '|' ' '
+
+    # Highlight keywords
+    printf %s "
+        add-highlighter shared/dockerfile/code/ regex '^(?i)(ONBUILD\h+)?(${keywords})\b' 2:keyword
+        add-highlighter shared/dockerfile/code/ regex '^(?i)(ONBUILD)\h+' 1:keyword
+    "
+}
+
+add-highlighter shared/dockerfile/code/ regex (?<!\\)(?:\\\\)*\K\$\{[\w_]+\} 0:value
+add-highlighter shared/dockerfile/code/ regex (?<!\\)(?:\\\\)*\K\$[\w_]+ 0:value
+
+}