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-- mod-version:2 -- lite-xl 2.0
--[[
language_php.lua
provides php syntax support allowing mixed html, css and js
version: 20210902_1
--]]
local syntax = require "core.syntax"
-- load syntax dependencies to add additional rules
require "plugins.language_css"
require "plugins.language_js"
-- define the core php syntax coloring
syntax.add {
name = "PHP",
files = { "%.phps$" },
headers = "^<%?php",
comment = "//",
patterns = {
-- Attributes
{ pattern = {"#%[", "%]"}, type = "normal" },
-- Comments
{ pattern = "//.-\n", type = "comment" },
{ pattern = "#.-\n", type = "comment" },
{ pattern = { "/%*", "%*/" }, type = "comment" },
-- The '\\' is for escaping to work on " or '
{ pattern = { '"', '"', '\\' }, type = "string" },
{ pattern = { "'", "'", '\\' }, type = "string" },
{ pattern = "0[bB][%d]+", type = "number" },
{ pattern = "0[xX][%da-fA-F]+", type = "number" },
{ pattern = "-?%d[%d_%.eE]*", type = "number" },
{ pattern = "-?%.?%d+", type = "number" },
{ pattern = "[%.%+%-=/%*%^%%<>!~|&%?:]", type = "operator" },
-- Variables
{ pattern = "%$[%w_]+", type = "keyword2" },
-- Respect control structures, treat as keyword not function
{ pattern = "if[%s]*%f[(]", type = "keyword" },
{ pattern = "else[%s]*%f[(]", type = "keyword" },
{ pattern = "elseif[%s]*%f[(]", type = "keyword" },
{ pattern = "for[%s]*%f[(]", type = "keyword" },
{ pattern = "foreach[%s]*%f[(]", type = "keyword" },
{ pattern = "while[%s]*%f[(]", type = "keyword" },
{ pattern = "catch[%s]*%f[(]", type = "keyword" },
{ pattern = "switch[%s]*%f[(]", type = "keyword" },
{ pattern = "match[%s]*%f[(]", type = "keyword" },
{ pattern = "fn[%s]*%f[(]", type = "keyword" },
-- All functions that aren't control structures
{ pattern = "[%a_][%w_]*[%s]*%f[(]", type = "function" },
-- Array type hint not added on symbols to also make it work
-- as a function call
{ pattern = "array", type = "literal" },
-- Match static or namespace container on sub element access
{ pattern = "[%a_][%w_]*[%s]*%f[:]", type = "literal" },
-- Uppercase constants of at least 3 characters in len
{ pattern = "%u[%u_][%u%d_]+", type = "number" },
-- Magic constants
{ pattern = "__[%u]+__", type = "number" },
-- Everything else
{ pattern = "[%a_][%w_]*", type = "symbol" },
},
symbols = {
["return"] = "keyword",
["if"] = "keyword",
["else"] = "keyword",
["elseif"] = "keyword",
["endif"] = "keyword",
["declare"] = "keyword",
["enddeclare"] = "keyword",
["switch"] = "keyword",
["endswitch"] = "keyword",
["as"] = "keyword",
["do"] = "keyword",
["for"] = "keyword",
["endfor"] = "keyword",
["foreach"] = "keyword",
["endforeach"] = "keyword",
["while"] = "keyword",
["endwhile"] = "keyword",
["match"] = "keyword",
["case"] = "keyword",
["continue"] = "keyword",
["default"] = "keyword",
["break"] = "keyword",
["goto"] = "keyword",
["try"] = "keyword",
["catch"] = "keyword",
["throw"] = "keyword",
["finally"] = "keyword",
["class"] = "keyword",
["enum"] = "keyword",
["trait"] = "keyword",
["interface"] = "keyword",
["public"] = "keyword",
["static"] = "keyword",
["protected"] = "keyword",
["private"] = "keyword",
["readonly"] = "keyword",
["abstract"] = "keyword",
["final"] = "keyword",
["$this"] = "literal",
["function"] = "keyword",
["fn"] = "keyword",
["global"] = "keyword",
["var"] = "keyword",
["const"] = "keyword",
["bool"] = "literal",
["boolean"] = "literal",
["int"] = "literal",
["integer"] = "literal",
["real"] = "literal",
["double"] = "literal",
["float"] = "literal",
["string"] = "literal",
["object"] = "literal",
["callable"] = "literal",
["iterable"] = "literal",
["void"] = "literal",
["parent"] = "literal",
["self"] = "literal",
["mixed"] = "literal",
["never"] = "literal",
["namespace"] = "keyword",
["extends"] = "keyword",
["implements"] = "keyword",
["instanceof"] = "keyword",
["require"] = "keyword",
["require_once"] = "keyword",
["include"] = "keyword",
["include_once"] = "keyword",
["use"] = "keyword",
["new"] = "keyword",
["clone"] = "keyword",
["true"] = "number",
["false"] = "number",
["NULL"] = "number",
["null"] = "number",
["print"] = "function",
["echo"] = "function",
["exit"] = "function",
},
}
-- allows html, css and js coloring on php files
syntax.add {
files = { "%.php$", "%.phtml" },
patterns = {
{
pattern = {
"<%?php%s+",
"%?>"
},
syntax = ".phps",
type = "keyword2"
},
{
pattern = {
"<%?=?",
"%?>"
},
syntax = ".phps",
type = "keyword2"
},
{
pattern = {
"<%s*[sS][cC][rR][iI][pP][tT]%s+[tT][yY][pP][eE]%s*=%s*" ..
"['\"]%a+/[jJ][aA][vV][aA][sS][cC][rR][iI][pP][tT]['\"]%s*>",
"<%s*/[sS][cC][rR][iI][pP][tT]>"
},
syntax = ".js",
type = "function"
},
{
pattern = {
"<%s*[sS][cC][rR][iI][pP][tT]%s*>",
"<%s*/%s*[sS][cC][rR][iI][pP][tT]>"
},
syntax = ".js",
type = "function"
},
{
pattern = {
"<%s*[sS][tT][yY][lL][eE][^>]*>",
"<%s*/%s*[sS][tT][yY][lL][eE]%s*>"
},
syntax = ".css",
type = "function"
},
{ pattern = { "<!%-%-", "%-%->" }, type = "comment" },
{ pattern = { '%f[^>][^<]', '%f[<]' }, type = "normal" },
{ pattern = { '"', '"', '\\' }, type = "string" },
{ pattern = { "'", "'", '\\' }, type = "string" },
{ pattern = "0x[%da-fA-F]+", type = "number" },
{ pattern = "-?%d+[%d%.]*f?", type = "number" },
{ pattern = "-?%.?%d+f?", type = "number" },
{ pattern = "%f[^<]![%a_][%w_]*", type = "keyword2" },
{ pattern = "%f[^<][%a_][%w_]*", type = "function" },
{ pattern = "%f[^<]/[%a_][%w_]*", type = "function" },
{ pattern = "[%a_][%w_]*", type = "keyword" },
{ pattern = "[/<>=]", type = "operator" },
},
symbols = {},
}
-- allow coloring of php code inside css and js code
local syntaxes = { "css", "js" }
for _, ext in pairs(syntaxes) do
local syntax_table = syntax.get("file."..ext, "")
table.insert(
syntax_table.patterns,
1,
{
pattern = {
"<%?=?",
"%?>"
},
syntax = ".phps",
type = "keyword2"
}
)
table.insert(
syntax_table.patterns,
1,
{
pattern = {
"<%?php%s+",
"%?>"
},
syntax = ".phps",
type = "keyword2"
}
)
end
|
