aboutsummaryrefslogtreecommitdiff
path: root/lua/lexers/php.lua
diff options
context:
space:
mode:
Diffstat (limited to 'lua/lexers/php.lua')
-rw-r--r--lua/lexers/php.lua114
1 files changed, 60 insertions, 54 deletions
diff --git a/lua/lexers/php.lua b/lua/lexers/php.lua
index f1fbda7..c5a7e2e 100644
--- a/lua/lexers/php.lua
+++ b/lua/lexers/php.lua
@@ -1,60 +1,31 @@
--- Copyright 2006-2022 Mitchell. See LICENSE.
+-- Copyright 2006-2024 Mitchell. See LICENSE.
-- PHP LPeg lexer.
-local lexer = require('lexer')
-local token, word_match = lexer.token, lexer.word_match
+local lexer = lexer
local P, S = lpeg.P, lpeg.S
-local lex = lexer.new('php')
-
--- Whitespace.
-lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1))
+local lex = lexer.new(...)
-- Keywords.
-lex:add_rule('keyword', token(lexer.KEYWORD, word_match{
- -- Reserved words (http://php.net/manual/en/reserved.keywords.php)
- '__halt_compiler', 'abstract', 'and', 'array', 'as', 'break', 'callable', 'case', 'catch',
- 'class', 'clone', 'const', 'continue', 'declare', 'default', 'die', 'do', 'echo', 'else',
- 'elseif', 'empty', 'enddeclare', 'endfor', 'endforeach', 'endif', 'endswitch', 'endwhile', 'eval',
- 'exit', 'extends', 'final', 'finally', 'fn', 'for', 'foreach', 'function', 'global', 'goto', 'if',
- 'implements', 'include', 'include_once', 'instanceof', 'insteadof', 'interface', 'isset', 'list',
- 'namespace', 'new', 'or', 'print', 'private', 'protected', 'public', 'require', 'require_once',
- 'return', 'static', 'switch', 'throw', 'trait', 'try', 'unset', 'use', 'var', 'while', 'xor',
- 'yield', 'from',
- -- Reserved classes (http://php.net/manual/en/reserved.classes.php)
- 'Directory', 'stdClass', '__PHP_Incomplete_Class', 'Exception', 'ErrorException',
- 'php_user_filter', 'Closure', 'Generator', 'ArithmeticError', 'AssertionError',
- 'DivisionByZeroError', 'Error', 'Throwable', 'ParseError', 'TypeError', 'self', 'static', 'parent'
-}))
+lex:add_rule('keyword', lex:tag(lexer.KEYWORD, lex:word_match(lexer.KEYWORD)))
-- Types.
-lex:add_rule('type', token(lexer.TYPE,
- word_match('int float bool string true false null void iterable object')))
+lex:add_rule('type', lex:tag(lexer.TYPE, lex:word_match(lexer.TYPE)))
+
+-- Functions.
+local word = (lexer.alpha + '_' + lpeg.R('\127\255')) * (lexer.alnum + '_' + lpeg.R('\127\255'))^0
+local func = lex:tag(lexer.FUNCTION, word)
+local method = lpeg.B('->') * lex:tag(lexer.FUNCTION_METHOD, word)
+lex:add_rule('function', (method + func) * #(lexer.space^0 * '('))
-- Constants.
-lex:add_rule('constant', token(lexer.CONSTANT, word_match{
- -- Compile-time (https://www.php.net/manual/en/reserved.keywords.php)
- '__CLASS__', '__DIR__', '__FILE__', '__FUNCTION__', '__LINE__', '__METHOD__', '__NAMESPACE__',
- '__TRAIT__',
- -- Reserved (https://www.php.net/manual/en/reserved.constants.php)
- 'PHP_VERSION', 'PHP_MAJOR_VERSION', 'PHP_MINOR_VERSION', 'PHP_RELEASE_VERSION', 'PHP_VERSION_ID',
- 'PHP_EXTRA_VERSION', 'PHP_ZTS', 'PHP_DEBUG', 'PHP_MAXPATHLEN', 'PHP_OS', 'PHP_OS_FAMILY',
- 'PHP_SAPI', 'PHP_EOL', 'PHP_INT_MAX', 'PHP_INT_MIN', 'PHP_INT_SIZE', 'PHP_FLOAT_DIG',
- 'PHP_FLOAT_EPSILON', 'PHP_FLOAT_MIN', 'PHP_FLOAT_MAX', 'DEFAULT_INCLUDE_PATH', 'PEAR_INSTALL_DIR',
- 'PEAR_EXTENSION_DIR', 'PHP_EXTENSION_DIR', 'PHP_PREFIX', 'PHP_BINDIR', 'PHP_BINARY', 'PHP_MANDIR',
- 'PHP_LIBDIR', 'PHP_DATADIR', 'PHP_SYSCONFDIR', 'PHP_LOCALSTATEDIR', 'PHP_CONFIG_FILE_PATH',
- 'PHP_CONFIG_FILE_SCAN_DIR', 'PHP_SHLIB_SUFFIX', 'PHP_FD_SETSIZE', 'E_ERROR', 'E_WARNING',
- 'E_PARSE', 'E_NOTICE', 'E_CORE_ERROR', 'E_CORE_WARNING', 'E_COMPILE_ERROR', 'E_USER_ERROR',
- 'E_USER_WARNING', 'E_USER_NOTICE', 'E_DEPRECATED', 'E_DEPRECATED', 'E_USER_DEPRECATED', 'E_ALL',
- 'E_STRICT', '__COMPILER_HALT_OFFSET__'
-}))
+lex:add_rule('constant', lex:tag(lexer.CONSTANT_BUILTIN, lex:word_match(lexer.CONSTANT_BUILTIN)))
-- Identifiers.
-local word = (lexer.alpha + '_' + lpeg.R('\127\255')) * (lexer.alnum + '_' + lpeg.R('\127\255'))^0
-lex:add_rule('identifier', token(lexer.IDENTIFIER, word))
+lex:add_rule('identifier', lex:tag(lexer.IDENTIFIER, word))
-- Variables.
-lex:add_rule('variable', token(lexer.VARIABLE, '$' * word))
+lex:add_rule('variable', lex:tag(lexer.VARIABLE, '$' * word))
-- Strings.
local sq_str = lexer.range("'")
@@ -63,39 +34,74 @@ local bq_str = lexer.range('`')
local heredoc = '<<<' * P(function(input, index)
local _, e, delimiter = input:find('([%a_][%w_]*)[\n\r\f]+', index)
if delimiter then
- e = select(2, input:find('[\n\r\f]+' .. delimiter, e))
+ _, e = input:find('[\n\r\f]+' .. delimiter, e)
return e and e + 1
end
end)
-lex:add_rule('string', token(lexer.STRING, sq_str + dq_str + bq_str + heredoc))
+lex:add_rule('string', lex:tag(lexer.STRING, sq_str + dq_str + bq_str + heredoc))
-- TODO: interpolated code.
-- Comments.
local line_comment = lexer.to_eol(P('//') + '#')
local block_comment = lexer.range('/*', '*/')
-lex:add_rule('comment', token(lexer.COMMENT, block_comment + line_comment))
+lex:add_rule('comment', lex:tag(lexer.COMMENT, block_comment + line_comment))
-- Numbers.
-lex:add_rule('number', token(lexer.NUMBER, lexer.number))
+lex:add_rule('number', lex:tag(lexer.NUMBER, lexer.number))
-- Operators.
-lex:add_rule('operator', token(lexer.OPERATOR, S('!@%^*&()-+=|/?.,;:<>[]{}')))
+lex:add_rule('operator', lex:tag(lexer.OPERATOR, S('!@%^*&()-+=|/?.,;:<>[]{}')))
-- Embedded in HTML.
local html = lexer.load('html')
-- Embedded PHP.
-local php_start_rule = token('php_tag', '<?' * ('php' * lexer.space)^-1)
-local php_end_rule = token('php_tag', '?>')
+local php_start_rule = lex:tag(lexer.PREPROCESSOR, '<?' * ('php' * lexer.space)^-1)
+local php_end_rule = lex:tag(lexer.PREPROCESSOR, '?>')
html:embed(lex, php_start_rule, php_end_rule)
-lex:add_style('php_tag', lexer.styles.embedded)
-- Fold points.
-lex:add_fold_point('php_tag', '<?', '?>')
+lex:add_fold_point(lexer.PREPROCESSOR, '<?', '?>')
lex:add_fold_point(lexer.COMMENT, '/*', '*/')
-lex:add_fold_point(lexer.COMMENT, lexer.fold_consecutive_lines('//'))
-lex:add_fold_point(lexer.COMMENT, lexer.fold_consecutive_lines('#'))
lex:add_fold_point(lexer.OPERATOR, '{', '}')
lex:add_fold_point(lexer.OPERATOR, '(', ')')
+-- Word lists.
+lex:set_word_list(lexer.KEYWORD, {
+ -- Reserved words (http://php.net/manual/en/reserved.keywords.php)
+ '__halt_compiler', 'abstract', 'and', 'array', 'as', 'break', 'callable', 'case', 'catch',
+ 'class', 'clone', 'const', 'continue', 'declare', 'default', 'die', 'do', 'echo', 'else',
+ 'elseif', 'empty', 'enddeclare', 'endfor', 'endforeach', 'endif', 'endswitch', 'endwhile', 'eval',
+ 'exit', 'extends', 'final', 'finally', 'fn', 'for', 'foreach', 'function', 'global', 'goto', 'if',
+ 'implements', 'include', 'include_once', 'instanceof', 'insteadof', 'interface', 'isset', 'list',
+ 'namespace', 'new', 'or', 'print', 'private', 'protected', 'public', 'require', 'require_once',
+ 'return', 'static', 'switch', 'throw', 'trait', 'try', 'unset', 'use', 'var', 'while', 'xor',
+ 'yield', 'from',
+ -- Reserved classes (http://php.net/manual/en/reserved.classes.php)
+ 'Directory', 'stdClass', '__PHP_Incomplete_Class', 'Exception', 'ErrorException',
+ 'php_user_filter', 'Closure', 'Generator', 'ArithmeticError', 'AssertionError',
+ 'DivisionByZeroError', 'Error', 'Throwable', 'ParseError', 'TypeError', 'self', 'static', 'parent'
+})
+
+lex:set_word_list(lexer.TYPE, 'int float bool string true false null void iterable object')
+
+lex:set_word_list(lexer.CONSTANT_BUILTIN, {
+ -- Compile-time (https://www.php.net/manual/en/reserved.keywords.php)
+ '__CLASS__', '__DIR__', '__FILE__', '__FUNCTION__', '__LINE__', '__METHOD__', '__NAMESPACE__',
+ '__TRAIT__',
+ -- Reserved (https://www.php.net/manual/en/reserved.constants.php)
+ 'PHP_VERSION', 'PHP_MAJOR_VERSION', 'PHP_MINOR_VERSION', 'PHP_RELEASE_VERSION', 'PHP_VERSION_ID',
+ 'PHP_EXTRA_VERSION', 'PHP_ZTS', 'PHP_DEBUG', 'PHP_MAXPATHLEN', 'PHP_OS', 'PHP_OS_FAMILY',
+ 'PHP_SAPI', 'PHP_EOL', 'PHP_INT_MAX', 'PHP_INT_MIN', 'PHP_INT_SIZE', 'PHP_FLOAT_DIG',
+ 'PHP_FLOAT_EPSILON', 'PHP_FLOAT_MIN', 'PHP_FLOAT_MAX', 'DEFAULT_INCLUDE_PATH', 'PEAR_INSTALL_DIR',
+ 'PEAR_EXTENSION_DIR', 'PHP_EXTENSION_DIR', 'PHP_PREFIX', 'PHP_BINDIR', 'PHP_BINARY', 'PHP_MANDIR',
+ 'PHP_LIBDIR', 'PHP_DATADIR', 'PHP_SYSCONFDIR', 'PHP_LOCALSTATEDIR', 'PHP_CONFIG_FILE_PATH',
+ 'PHP_CONFIG_FILE_SCAN_DIR', 'PHP_SHLIB_SUFFIX', 'PHP_FD_SETSIZE', 'E_ERROR', 'E_WARNING',
+ 'E_PARSE', 'E_NOTICE', 'E_CORE_ERROR', 'E_CORE_WARNING', 'E_COMPILE_ERROR', 'E_USER_ERROR',
+ 'E_USER_WARNING', 'E_USER_NOTICE', 'E_DEPRECATED', 'E_DEPRECATED', 'E_USER_DEPRECATED', 'E_ALL',
+ 'E_STRICT', '__COMPILER_HALT_OFFSET__'
+})
+
+lexer.property['scintillua.comment'] = '//'
+
return lex
You can read more about the author.