Add highlighter for p4

filetype/p4.kak

@@ -0,0 +1,56 @@
+# Syntax highlighting for p4
+# p4.org
+hook global BufCreate .*\.p4 %{
+    set-option buffer filetype p4
+}
+
+# Regions definition are the same between c++ and objective-c
+evaluate-commands %sh{
+    ft="p4"
+    maybe_at=''
+
+    printf %s\\n '
+            add-highlighter shared/FT regions
+            add-highlighter shared/FT/code default-region group
+            add-highlighter shared/FT/string region %{MAYBEAT(?<!QUOTE)(?<!QUOTE\\)"} %{(?<!\\)(?:\\\\)*"} fill string
+            add-highlighter shared/FT/raw_string region %{R"([^(]*)\(} %{\)([^")]*)"} fill string
+            add-highlighter shared/FT/comment region /\* \*/ group
+            add-highlighter shared/FT/line_comment region // $ fill comment
+            add-highlighter shared/FT/disabled region -recurse "#\h*if(?:def)?" ^\h*?#\h*if\h+(?:0|FALSE)\b "#\h*(?:else|elif|endif)" fill rgb:666666
+            add-highlighter shared/FT/macro region %{^\h*?\K#} %{(?<!\\)\n} group
+
+            add-highlighter shared/FT/macro/ fill meta
+            add-highlighter shared/FT/macro/ regex ^\h*#include\h+(\S*) 1:module
+        ' | sed -e "s/FT/${ft}/g; s/QUOTE/'/g; s/MAYBEAT/${maybe_at}/;"
+}
+
+
+add-highlighter shared/p4/code/ regex %{\b(lpm|exact|ternary|range|true|false|null)\b} 0:value
+add-highlighter shared/p4/code/ regex %{\b(bit|bool|int|varbit|void|error)\b} 0:type
+add-highlighter shared/p4/code/ regex "\b(tuple|extern|enum|action|apply|control|default|exit|header|header_union|match_kind|package|parser|state|struct|switch|size|table|transition|typedef|verify|if|else)\b" 0:keyword
+add-highlighter shared/p4/code/ regex "\b(key|actions||default_action|entries|implementation|const|in|out|inout)\b" 0:attribute
+add-highlighter shared/p4/code/ regex "\b(update_checksum|(is|set)Valid)\b" 0:function
+add-highlighter shared/p4/code/ regex "(apply)\(" 1:function
+add-highlighter shared/p4/code/ regex "@(name|tableonly|defaultonly|globalname|atomic|hidden)" 0:meta
+add-highlighter shared/p4/code/ regex %{\b(_|NoError|PacketTooShort|NoMatch|StackOutOfBounds|OverwritingHeader|HeaderTooShort|ParserTiimeout)\b} 0:builtin
+
+add-highlighter shared/p4/comment/ fill comment
+add-highlighter shared/p4/comment/ regex "(?<!\w)@\w+\b" 0:green
+
+# integer literals
+evaluate-commands %sh{ 
+    prefix="(\\\d+[ws])?"
+    printf %s\\n '
+        add-highlighter shared/p4/code/ regex %{\bPREFIX[0-9][0-9_]*\b} 0:value  
+        add-highlighter shared/p4/code/ regex %{\bPREFIX0[Xx][0-9a-fA-F]+\b} 0:value
+        add-highlighter shared/p4/code/ regex %{\bPREFIX0[dD][0-9_]+\b} 0:value
+        add-highlighter shared/p4/code/ regex %{\bPREFIX0[oO][0-7_]+\b} 0:value
+        add-highlighter shared/p4/code/ regex %{\bPREFIX0[bB][01_]+\b} 0:value
+        ' | sed -e "s/PREFIX/${prefix}/g"
+}
+
+hook -group p4-highlight global WinSetOption filetype=p4 %{
+    add-highlighter window/ ref p4
+    hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/p4 }
+}
+