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-- mod-version:3
local syntax = require "core.syntax"
local style = require "core.style"
local common = require "core.common"
-- we need these symbol types to have uniform colors
style.syntax["diff_add"] = { common.color "#72b886" }
style.syntax["diff_del"] = { common.color "#F36161" }
syntax.add {
name = "Diff",
files = { "%.diff$", "%.patch$", "%.rej$" },
headers = "^diff %-",
patterns = {
-- Method the patch was generated with and source/target files
{ regex = "^diff .+", type = "function" },
-- Seen for changing the file permissions
{ regex = "^new .+", type = "comment" },
-- Usually holds starting and ending commit
{ regex = "^index .+", type = "comment" },
-- Position to patch
{
pattern = "@@.-@@ ().+", --with heading
type = { "number", "string" }
},
{
regex = "^@@ [\\d,\\-\\+ ]+ @@\n", --wihtout heading
type = "number"
},
-- Other position to patch formats
{
regex = "^-{3} [\\d]+,[\\d]+ \\-{4}\n",
type = "number"
},
{
regex = "^\\*{3} [\\d]+,[\\d]+ \\*{4}\n",
type = "number"
},
-- Source and target file
{ regex = "^-{3} .+", type = "keyword" },
{ regex = "^\\+{3} .+", type = "keyword" },
-- Rarely used source file indicator
{ regex = "^\\*{3} .+", type = "keyword" },
-- git patches seem to add 3 dashes to separate message from changed files
{ regex = "^-{3}\n", type = "normal" },
-- Addition and deletion of lines
{ regex = "^-.*", type = "diff_del" },
{ regex = "^\\+.*", type = "diff_add" },
{ regex = "^<.*", type = "diff_del" },
{ regex = "^>.*", type = "diff_add" },
-- Change between two lines
{ regex = "^!.*", type = "number" },
-- Stuff usually found on a authored patch heading
{
pattern = "From ()[a-fA-F0-9]+ ().+",
type = { "keyword", "number", "string" }
},
{ regex = "^[a-zA-Z\\-]+: ", type = "keyword" },
-- Diff stats
{ regex = "^ [\\d]+ files? changed", type = "function" },
{ regex = "[\\d]+ insertions?\\(\\+\\)", type = "diff_add" },
{ regex = "[\\d]+ deletions?\\(\\-\\)", type = "diff_del" },
-- Match e-mail
{
pattern = ".*()<[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+%.[a-zA-Z0-9-.]+>",
type = {"string", "keyword2"}
},
},
symbols = {}
}
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