Mini Shell
"""
pygments.lexers.haxe
~~~~~~~~~~~~~~~~~~~~
Lexers for Haxe and related stuff.
:copyright: Copyright 2006-2024 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
from pygments.lexer import ExtendedRegexLexer, RegexLexer, include, bygroups, \
default
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation, Generic, Whitespace
__all__ = ['HaxeLexer', 'HxmlLexer']
class HaxeLexer(ExtendedRegexLexer):
"""
For Haxe source code.
"""
name = 'Haxe'
url = 'http://haxe.org/'
aliases = ['haxe', 'hxsl', 'hx']
filenames = ['*.hx', '*.hxsl']
mimetypes = ['text/haxe', 'text/x-haxe', 'text/x-hx']
version_added = '1.3'
# keywords extracted from lexer.mll in the haxe compiler source
keyword = (r'(?:function|class|static|var|if|else|while|do|for|'
r'break|return|continue|extends|implements|import|'
r'switch|case|default|public|private|try|untyped|'
r'catch|new|this|throw|extern|enum|in|interface|'
r'cast|override|dynamic|typedef|package|'
r'inline|using|null|true|false|abstract)\b')
# idtype in lexer.mll
typeid = r'_*[A-Z]\w*'
# combined ident and dollar and idtype
ident = r'(?:_*[a-z]\w*|_+[0-9]\w*|' + typeid + r'|_+|\$\w+)'
binop = (r'(?:%=|&=|\|=|\^=|\+=|\-=|\*=|/=|<<=|>\s*>\s*=|>\s*>\s*>\s*=|==|'
r'!=|<=|>\s*=|&&|\|\||<<|>>>|>\s*>|\.\.\.|<|>|%|&|\||\^|\+|\*|'
r'/|\-|=>|=)')
# ident except keywords
ident_no_keyword = r'(?!' + keyword + ')' + ident
flags = re.DOTALL | re.MULTILINE
preproc_stack = []
def preproc_callback(self, match, ctx):
proc = match.group(2)
if proc == 'if':
# store the current stack
self.preproc_stack.append(ctx.stack[:])
elif proc in ['else', 'elseif']:
# restore the stack back to right before #if
if self.preproc_stack:
ctx.stack = self.preproc_stack[-1][:]
elif proc == 'end':
# remove the saved stack of previous #if
if self.preproc_stack:
self.preproc_stack.pop()
# #if and #elseif should follow by an expr
if proc in ['if', 'elseif']:
ctx.stack.append('preproc-expr')
# #error can be optionally follow by the error msg
if proc in ['error']:
ctx.stack.append('preproc-error')
yield match.start(), Comment.Preproc, '#' + proc
ctx.pos = match.end()
tokens = {
'root': [
include('spaces'),
include('meta'),
(r'(?:package)\b', Keyword.Namespace, ('semicolon', 'package')),
(r'(?:import)\b', Keyword.Namespace, ('semicolon', 'import')),
(r'(?:using)\b', Keyword.Namespace, ('semicolon', 'using')),
(r'(?:extern|private)\b', Keyword.Declaration),
(r'(?:abstract)\b', Keyword.Declaration, 'abstract'),
(r'(?:class|interface)\b', Keyword.Declaration, 'class'),
(r'(?:enum)\b', Keyword.Declaration, 'enum'),
(r'(?:typedef)\b', Keyword.Declaration, 'typedef'),
# top-level expression
# although it is not supported in haxe, but it is common to write
# expression in web pages the positive lookahead here is to prevent
# an infinite loop at the EOF
(r'(?=.)', Text, 'expr-statement'),
],
# space/tab/comment/preproc
'spaces': [
(r'\s+', Whitespace),
(r'//[^\n\r]*', Comment.Single),
(r'/\*.*?\*/', Comment.Multiline),
(r'(#)(if|elseif|else|end|error)\b', preproc_callback),
],
'string-single-interpol': [
(r'\$\{', String.Interpol, ('string-interpol-close', 'expr')),
(r'\$\$', String.Escape),
(r'\$(?=' + ident + ')', String.Interpol, 'ident'),
include('string-single'),
],
'string-single': [
(r"'", String.Single, '#pop'),
(r'\\.', String.Escape),
(r'.', String.Single),
],
'string-double': [
(r'"', String.Double, '#pop'),
(r'\\.', String.Escape),
(r'.', String.Double),
],
'string-interpol-close': [
(r'\$'+ident, String.Interpol),
(r'\}', String.Interpol, '#pop'),
],
'package': [
include('spaces'),
(ident, Name.Namespace),
(r'\.', Punctuation, 'import-ident'),
default('#pop'),
],
'import': [
include('spaces'),
(ident, Name.Namespace),
(r'\*', Keyword), # wildcard import
(r'\.', Punctuation, 'import-ident'),
(r'in', Keyword.Namespace, 'ident'),
default('#pop'),
],
'import-ident': [
include('spaces'),
(r'\*', Keyword, '#pop'), # wildcard import
(ident, Name.Namespace, '#pop'),
],
'using': [
include('spaces'),
(ident, Name.Namespace),
(r'\.', Punctuation, 'import-ident'),
default('#pop'),
],
'preproc-error': [
(r'\s+', Whitespace),
(r"'", String.Single, ('#pop', 'string-single')),
(r'"', String.Double, ('#pop', 'string-double')),
default('#pop'),
],
'preproc-expr': [
(r'\s+', Whitespace),
(r'\!', Comment.Preproc),
(r'\(', Comment.Preproc, ('#pop', 'preproc-parenthesis')),
(ident, Comment.Preproc, '#pop'),
# Float
(r'\.[0-9]+', Number.Float),
(r'[0-9]+[eE][+\-]?[0-9]+', Number.Float),
(r'[0-9]+\.[0-9]*[eE][+\-]?[0-9]+', Number.Float),
(r'[0-9]+\.[0-9]+', Number.Float),
(r'[0-9]+\.(?!' + ident + r'|\.\.)', Number.Float),
# Int
(r'0x[0-9a-fA-F]+', Number.Hex),
(r'[0-9]+', Number.Integer),
# String
(r"'", String.Single, ('#pop', 'string-single')),
(r'"', String.Double, ('#pop', 'string-double')),
],
'preproc-parenthesis': [
(r'\s+', Whitespace),
(r'\)', Comment.Preproc, '#pop'),
default('preproc-expr-in-parenthesis'),
],
'preproc-expr-chain': [
(r'\s+', Whitespace),
(binop, Comment.Preproc, ('#pop', 'preproc-expr-in-parenthesis')),
default('#pop'),
],
# same as 'preproc-expr' but able to chain 'preproc-expr-chain'
'preproc-expr-in-parenthesis': [
(r'\s+', Whitespace),
(r'\!', Comment.Preproc),
(r'\(', Comment.Preproc,
('#pop', 'preproc-expr-chain', 'preproc-parenthesis')),
(ident, Comment.Preproc, ('#pop', 'preproc-expr-chain')),
# Float
(r'\.[0-9]+', Number.Float, ('#pop', 'preproc-expr-chain')),
(r'[0-9]+[eE][+\-]?[0-9]+', Number.Float, ('#pop', 'preproc-expr-chain')),
(r'[0-9]+\.[0-9]*[eE][+\-]?[0-9]+', Number.Float, ('#pop', 'preproc-expr-chain')),
(r'[0-9]+\.[0-9]+', Number.Float, ('#pop', 'preproc-expr-chain')),
(r'[0-9]+\.(?!' + ident + r'|\.\.)', Number.Float, ('#pop', 'preproc-expr-chain')),
# Int
(r'0x[0-9a-fA-F]+', Number.Hex, ('#pop', 'preproc-expr-chain')),
(r'[0-9]+', Number.Integer, ('#pop', 'preproc-expr-chain')),
# String
(r"'", String.Single,
('#pop', 'preproc-expr-chain', 'string-single')),
(r'"', String.Double,
('#pop', 'preproc-expr-chain', 'string-double')),
],
'abstract': [
include('spaces'),
default(('#pop', 'abstract-body', 'abstract-relation',
'abstract-opaque', 'type-param-constraint', 'type-name')),
],
'abstract-body': [
include('spaces'),
(r'\{', Punctuation, ('#pop', 'class-body')),
],
'abstract-opaque': [
include('spaces'),
(r'\(', Punctuation, ('#pop', 'parenthesis-close', 'type')),
default('#pop'),
],
'abstract-relation': [
include('spaces'),
(r'(?:to|from)', Keyword.Declaration, 'type'),
(r',', Punctuation),
default('#pop'),
],
'meta': [
include('spaces'),
(r'@', Name.Decorator, ('meta-body', 'meta-ident', 'meta-colon')),
],
# optional colon
'meta-colon': [
include('spaces'),
(r':', Name.Decorator, '#pop'),
default('#pop'),
],
# same as 'ident' but set token as Name.Decorator instead of Name
'meta-ident': [
include('spaces'),
(ident, Name.Decorator, '#pop'),
],
'meta-body': [
include('spaces'),
(r'\(', Name.Decorator, ('#pop', 'meta-call')),
default('#pop'),
],
'meta-call': [
include('spaces'),
(r'\)', Name.Decorator, '#pop'),
default(('#pop', 'meta-call-sep', 'expr')),
],
'meta-call-sep': [
include('spaces'),
(r'\)', Name.Decorator, '#pop'),
(r',', Punctuation, ('#pop', 'meta-call')),
],
'typedef': [
include('spaces'),
default(('#pop', 'typedef-body', 'type-param-constraint',
'type-name')),
],
'typedef-body': [
include('spaces'),
(r'=', Operator, ('#pop', 'optional-semicolon', 'type')),
],
'enum': [
include('spaces'),
default(('#pop', 'enum-body', 'bracket-open',
'type-param-constraint', 'type-name')),
],
'enum-body': [
include('spaces'),
include('meta'),
(r'\}', Punctuation, '#pop'),
(ident_no_keyword, Name, ('enum-member', 'type-param-constraint')),
],
'enum-member': [
include('spaces'),
(r'\(', Punctuation,
('#pop', 'semicolon', 'flag', 'function-param')),
default(('#pop', 'semicolon', 'flag')),
],
'class': [
include('spaces'),
default(('#pop', 'class-body', 'bracket-open', 'extends',
'type-param-constraint', 'type-name')),
],
'extends': [
include('spaces'),
(r'(?:extends|implements)\b', Keyword.Declaration, 'type'),
(r',', Punctuation), # the comma is made optional here, since haxe2
# requires the comma but haxe3 does not allow it
default('#pop'),
],
'bracket-open': [
include('spaces'),
(r'\{', Punctuation, '#pop'),
],
'bracket-close': [
include('spaces'),
(r'\}', Punctuation, '#pop'),
],
'class-body': [
include('spaces'),
include('meta'),
(r'\}', Punctuation, '#pop'),
(r'(?:static|public|private|override|dynamic|inline|macro)\b',
Keyword.Declaration),
default('class-member'),
],
'class-member': [
include('spaces'),
(r'(var)\b', Keyword.Declaration,
('#pop', 'optional-semicolon', 'var')),
(r'(function)\b', Keyword.Declaration,
('#pop', 'optional-semicolon', 'class-method')),
],
# local function, anonymous or not
'function-local': [
include('spaces'),
(ident_no_keyword, Name.Function,
('#pop', 'optional-expr', 'flag', 'function-param',
'parenthesis-open', 'type-param-constraint')),
default(('#pop', 'optional-expr', 'flag', 'function-param',
'parenthesis-open', 'type-param-constraint')),
],
'optional-expr': [
include('spaces'),
include('expr'),
default('#pop'),
],
'class-method': [
include('spaces'),
(ident, Name.Function, ('#pop', 'optional-expr', 'flag',
'function-param', 'parenthesis-open',
'type-param-constraint')),
],
# function arguments
'function-param': [
include('spaces'),
(r'\)', Punctuation, '#pop'),
(r'\?', Punctuation),
(ident_no_keyword, Name,
('#pop', 'function-param-sep', 'assign', 'flag')),
],
'function-param-sep': [
include('spaces'),
(r'\)', Punctuation, '#pop'),
(r',', Punctuation, ('#pop', 'function-param')),
],
'prop-get-set': [
include('spaces'),
(r'\(', Punctuation, ('#pop', 'parenthesis-close',
'prop-get-set-opt', 'comma', 'prop-get-set-opt')),
default('#pop'),
],
'prop-get-set-opt': [
include('spaces'),
(r'(?:default|null|never|dynamic|get|set)\b', Keyword, '#pop'),
(ident_no_keyword, Text, '#pop'), # custom getter/setter
],
'expr-statement': [
include('spaces'),
# makes semicolon optional here, just to avoid checking the last
# one is bracket or not.
default(('#pop', 'optional-semicolon', 'expr')),
],
'expr': [
include('spaces'),
(r'@', Name.Decorator, ('#pop', 'optional-expr', 'meta-body',
'meta-ident', 'meta-colon')),
(r'(?:\+\+|\-\-|~(?!/)|!|\-)', Operator),
(r'\(', Punctuation, ('#pop', 'expr-chain', 'parenthesis')),
(r'(?:static|public|private|override|dynamic|inline)\b',
Keyword.Declaration),
(r'(?:function)\b', Keyword.Declaration, ('#pop', 'expr-chain',
'function-local')),
(r'\{', Punctuation, ('#pop', 'expr-chain', 'bracket')),
(r'(?:true|false|null)\b', Keyword.Constant, ('#pop', 'expr-chain')),
(r'(?:this)\b', Keyword, ('#pop', 'expr-chain')),
(r'(?:cast)\b', Keyword, ('#pop', 'expr-chain', 'cast')),
(r'(?:try)\b', Keyword, ('#pop', 'catch', 'expr')),
(r'(?:var)\b', Keyword.Declaration, ('#pop', 'var')),
(r'(?:new)\b', Keyword, ('#pop', 'expr-chain', 'new')),
(r'(?:switch)\b', Keyword, ('#pop', 'switch')),
(r'(?:if)\b', Keyword, ('#pop', 'if')),
(r'(?:do)\b', Keyword, ('#pop', 'do')),
(r'(?:while)\b', Keyword, ('#pop', 'while')),
(r'(?:for)\b', Keyword, ('#pop', 'for')),
(r'(?:untyped|throw)\b', Keyword),
(r'(?:return)\b', Keyword, ('#pop', 'optional-expr')),
(r'(?:macro)\b', Keyword, ('#pop', 'macro')),
(r'(?:continue|break)\b', Keyword, '#pop'),
(r'(?:\$\s*[a-z]\b|\$(?!'+ident+'))', Name, ('#pop', 'dollar')),
(ident_no_keyword, Name, ('#pop', 'expr-chain')),
# Float
(r'\.[0-9]+', Number.Float, ('#pop', 'expr-chain')),
(r'[0-9]+[eE][+\-]?[0-9]+', Number.Float, ('#pop', 'expr-chain')),
(r'[0-9]+\.[0-9]*[eE][+\-]?[0-9]+', Number.Float, ('#pop', 'expr-chain')),
(r'[0-9]+\.[0-9]+', Number.Float, ('#pop', 'expr-chain')),
(r'[0-9]+\.(?!' + ident + r'|\.\.)', Number.Float, ('#pop', 'expr-chain')),
# Int
(r'0x[0-9a-fA-F]+', Number.Hex, ('#pop', 'expr-chain')),
(r'[0-9]+', Number.Integer, ('#pop', 'expr-chain')),
# String
(r"'", String.Single, ('#pop', 'expr-chain', 'string-single-interpol')),
(r'"', String.Double, ('#pop', 'expr-chain', 'string-double')),
# EReg
(r'~/(\\\\|\\[^\\]|[^/\\\n])*/[gimsu]*', String.Regex, ('#pop', 'expr-chain')),
# Array
(r'\[', Punctuation, ('#pop', 'expr-chain', 'array-decl')),
],
'expr-chain': [
include('spaces'),
(r'(?:\+\+|\-\-)', Operator),
(binop, Operator, ('#pop', 'expr')),
(r'(?:in)\b', Keyword, ('#pop', 'expr')),
(r'\?', Operator, ('#pop', 'expr', 'ternary', 'expr')),
(r'(\.)(' + ident_no_keyword + ')', bygroups(Punctuation, Name)),
(r'\[', Punctuation, 'array-access'),
(r'\(', Punctuation, 'call'),
default('#pop'),
],
# macro reification
'macro': [
include('spaces'),
include('meta'),
(r':', Punctuation, ('#pop', 'type')),
(r'(?:extern|private)\b', Keyword.Declaration),
(r'(?:abstract)\b', Keyword.Declaration, ('#pop', 'optional-semicolon', 'abstract')),
(r'(?:class|interface)\b', Keyword.Declaration, ('#pop', 'optional-semicolon', 'macro-class')),
(r'(?:enum)\b', Keyword.Declaration, ('#pop', 'optional-semicolon', 'enum')),
(r'(?:typedef)\b', Keyword.Declaration, ('#pop', 'optional-semicolon', 'typedef')),
default(('#pop', 'expr')),
],
'macro-class': [
(r'\{', Punctuation, ('#pop', 'class-body')),
include('class')
],
# cast can be written as "cast expr" or "cast(expr, type)"
'cast': [
include('spaces'),
(r'\(', Punctuation, ('#pop', 'parenthesis-close',
'cast-type', 'expr')),
default(('#pop', 'expr')),
],
# optionally give a type as the 2nd argument of cast()
'cast-type': [
include('spaces'),
(r',', Punctuation, ('#pop', 'type')),
default('#pop'),
],
'catch': [
include('spaces'),
(r'(?:catch)\b', Keyword, ('expr', 'function-param',
'parenthesis-open')),
default('#pop'),
],
# do-while loop
'do': [
include('spaces'),
default(('#pop', 'do-while', 'expr')),
],
# the while after do
'do-while': [
include('spaces'),
(r'(?:while)\b', Keyword, ('#pop', 'parenthesis',
'parenthesis-open')),
],
'while': [
include('spaces'),
(r'\(', Punctuation, ('#pop', 'expr', 'parenthesis')),
],
'for': [
include('spaces'),
(r'\(', Punctuation, ('#pop', 'expr', 'parenthesis')),
],
'if': [
include('spaces'),
(r'\(', Punctuation, ('#pop', 'else', 'optional-semicolon', 'expr',
'parenthesis')),
],
'else': [
include('spaces'),
(r'(?:else)\b', Keyword, ('#pop', 'expr')),
default('#pop'),
],
'switch': [
include('spaces'),
default(('#pop', 'switch-body', 'bracket-open', 'expr')),
],
'switch-body': [
include('spaces'),
(r'(?:case|default)\b', Keyword, ('case-block', 'case')),
(r'\}', Punctuation, '#pop'),
],
'case': [
include('spaces'),
(r':', Punctuation, '#pop'),
default(('#pop', 'case-sep', 'case-guard', 'expr')),
],
'case-sep': [
include('spaces'),
(r':', Punctuation, '#pop'),
(r',', Punctuation, ('#pop', 'case')),
],
'case-guard': [
include('spaces'),
(r'(?:if)\b', Keyword, ('#pop', 'parenthesis', 'parenthesis-open')),
default('#pop'),
],
# optional multiple expr under a case
'case-block': [
include('spaces'),
(r'(?!(?:case|default)\b|\})', Keyword, 'expr-statement'),
default('#pop'),
],
'new': [
include('spaces'),
default(('#pop', 'call', 'parenthesis-open', 'type')),
],
'array-decl': [
include('spaces'),
(r'\]', Punctuation, '#pop'),
default(('#pop', 'array-decl-sep', 'expr')),
],
'array-decl-sep': [
include('spaces'),
(r'\]', Punctuation, '#pop'),
(r',', Punctuation, ('#pop', 'array-decl')),
],
'array-access': [
include('spaces'),
default(('#pop', 'array-access-close', 'expr')),
],
'array-access-close': [
include('spaces'),
(r'\]', Punctuation, '#pop'),
],
'comma': [
include('spaces'),
(r',', Punctuation, '#pop'),
],
'colon': [
include('spaces'),
(r':', Punctuation, '#pop'),
],
'semicolon': [
include('spaces'),
(r';', Punctuation, '#pop'),
],
'optional-semicolon': [
include('spaces'),
(r';', Punctuation, '#pop'),
default('#pop'),
],
# identity that CAN be a Haxe keyword
'ident': [
include('spaces'),
(ident, Name, '#pop'),
],
'dollar': [
include('spaces'),
(r'\{', Punctuation, ('#pop', 'expr-chain', 'bracket-close', 'expr')),
default(('#pop', 'expr-chain')),
],
'type-name': [
include('spaces'),
(typeid, Name, '#pop'),
],
'type-full-name': [
include('spaces'),
(r'\.', Punctuation, 'ident'),
default('#pop'),
],
'type': [
include('spaces'),
(r'\?', Punctuation),
(ident, Name, ('#pop', 'type-check', 'type-full-name')),
(r'\{', Punctuation, ('#pop', 'type-check', 'type-struct')),
(r'\(', Punctuation, ('#pop', 'type-check', 'type-parenthesis')),
],
'type-parenthesis': [
include('spaces'),
default(('#pop', 'parenthesis-close', 'type')),
],
'type-check': [
include('spaces'),
(r'->', Punctuation, ('#pop', 'type')),
(r'<(?!=)', Punctuation, 'type-param'),
default('#pop'),
],
'type-struct': [
include('spaces'),
(r'\}', Punctuation, '#pop'),
(r'\?', Punctuation),
(r'>', Punctuation, ('comma', 'type')),
(ident_no_keyword, Name, ('#pop', 'type-struct-sep', 'type', 'colon')),
include('class-body'),
],
'type-struct-sep': [
include('spaces'),
(r'\}', Punctuation, '#pop'),
(r',', Punctuation, ('#pop', 'type-struct')),
],
# type-param can be a normal type or a constant literal...
'type-param-type': [
# Float
(r'\.[0-9]+', Number.Float, '#pop'),
(r'[0-9]+[eE][+\-]?[0-9]+', Number.Float, '#pop'),
(r'[0-9]+\.[0-9]*[eE][+\-]?[0-9]+', Number.Float, '#pop'),
(r'[0-9]+\.[0-9]+', Number.Float, '#pop'),
(r'[0-9]+\.(?!' + ident + r'|\.\.)', Number.Float, '#pop'),
# Int
(r'0x[0-9a-fA-F]+', Number.Hex, '#pop'),
(r'[0-9]+', Number.Integer, '#pop'),
# String
(r"'", String.Single, ('#pop', 'string-single')),
(r'"', String.Double, ('#pop', 'string-double')),
# EReg
(r'~/(\\\\|\\[^\\]|[^/\\\n])*/[gim]*', String.Regex, '#pop'),
# Array
(r'\[', Operator, ('#pop', 'array-decl')),
include('type'),
],
# type-param part of a type
# ie. the <A,B> path in Map<A,B>
'type-param': [
include('spaces'),
default(('#pop', 'type-param-sep', 'type-param-type')),
],
'type-param-sep': [
include('spaces'),
(r'>', Punctuation, '#pop'),
(r',', Punctuation, ('#pop', 'type-param')),
],
# optional type-param that may include constraint
# ie. <T:Constraint, T2:(ConstraintA,ConstraintB)>
'type-param-constraint': [
include('spaces'),
(r'<(?!=)', Punctuation, ('#pop', 'type-param-constraint-sep',
'type-param-constraint-flag', 'type-name')),
default('#pop'),
],
'type-param-constraint-sep': [
include('spaces'),
(r'>', Punctuation, '#pop'),
(r',', Punctuation, ('#pop', 'type-param-constraint-sep',
'type-param-constraint-flag', 'type-name')),
],
# the optional constraint inside type-param
'type-param-constraint-flag': [
include('spaces'),
(r':', Punctuation, ('#pop', 'type-param-constraint-flag-type')),
default('#pop'),
],
'type-param-constraint-flag-type': [
include('spaces'),
(r'\(', Punctuation, ('#pop', 'type-param-constraint-flag-type-sep',
'type')),
default(('#pop', 'type')),
],
'type-param-constraint-flag-type-sep': [
include('spaces'),
(r'\)', Punctuation, '#pop'),
(r',', Punctuation, 'type'),
],
# a parenthesis expr that contain exactly one expr
'parenthesis': [
include('spaces'),
default(('#pop', 'parenthesis-close', 'flag', 'expr')),
],
'parenthesis-open': [
include('spaces'),
(r'\(', Punctuation, '#pop'),
],
'parenthesis-close': [
include('spaces'),
(r'\)', Punctuation, '#pop'),
],
'var': [
include('spaces'),
(ident_no_keyword, Text, ('#pop', 'var-sep', 'assign', 'flag', 'prop-get-set')),
],
# optional more var decl.
'var-sep': [
include('spaces'),
(r',', Punctuation, ('#pop', 'var')),
default('#pop'),
],
# optional assignment
'assign': [
include('spaces'),
(r'=', Operator, ('#pop', 'expr')),
default('#pop'),
],
# optional type flag
'flag': [
include('spaces'),
(r':', Punctuation, ('#pop', 'type')),
default('#pop'),
],
# colon as part of a ternary operator (?:)
'ternary': [
include('spaces'),
(r':', Operator, '#pop'),
],
# function call
'call': [
include('spaces'),
(r'\)', Punctuation, '#pop'),
default(('#pop', 'call-sep', 'expr')),
],
# after a call param
'call-sep': [
include('spaces'),
(r'\)', Punctuation, '#pop'),
(r',', Punctuation, ('#pop', 'call')),
],
# bracket can be block or object
'bracket': [
include('spaces'),
(r'(?!(?:\$\s*[a-z]\b|\$(?!'+ident+')))' + ident_no_keyword, Name,
('#pop', 'bracket-check')),
(r"'", String.Single, ('#pop', 'bracket-check', 'string-single')),
(r'"', String.Double, ('#pop', 'bracket-check', 'string-double')),
default(('#pop', 'block')),
],
'bracket-check': [
include('spaces'),
(r':', Punctuation, ('#pop', 'object-sep', 'expr')), # is object
default(('#pop', 'block', 'optional-semicolon', 'expr-chain')), # is block
],
# code block
'block': [
include('spaces'),
(r'\}', Punctuation, '#pop'),
default('expr-statement'),
],
# object in key-value pairs
'object': [
include('spaces'),
(r'\}', Punctuation, '#pop'),
default(('#pop', 'object-sep', 'expr', 'colon', 'ident-or-string'))
],
# a key of an object
'ident-or-string': [
include('spaces'),
(ident_no_keyword, Name, '#pop'),
(r"'", String.Single, ('#pop', 'string-single')),
(r'"', String.Double, ('#pop', 'string-double')),
],
# after a key-value pair in object
'object-sep': [
include('spaces'),
(r'\}', Punctuation, '#pop'),
(r',', Punctuation, ('#pop', 'object')),
],
}
def analyse_text(text):
if re.match(r'\w+\s*:\s*\w', text):
return 0.3
class HxmlLexer(RegexLexer):
"""
Lexer for haXe build files.
"""
name = 'Hxml'
url = 'https://haxe.org/manual/compiler-usage-hxml.html'
aliases = ['haxeml', 'hxml']
filenames = ['*.hxml']
version_added = '1.6'
tokens = {
'root': [
# Separator
(r'(--)(next)', bygroups(Punctuation, Generic.Heading)),
# Compiler switches with one dash
(r'(-)(prompt|debug|v)', bygroups(Punctuation, Keyword.Keyword)),
# Compilerswitches with two dashes
(r'(--)(neko-source|flash-strict|flash-use-stage|no-opt|no-traces|'
r'no-inline|times|no-output)', bygroups(Punctuation, Keyword)),
# Targets and other options that take an argument
(r'(-)(cpp|js|neko|x|as3|swf9?|swf-lib|php|xml|main|lib|D|resource|'
r'cp|cmd)( +)(.+)',
bygroups(Punctuation, Keyword, Whitespace, String)),
# Options that take only numerical arguments
(r'(-)(swf-version)( +)(\d+)',
bygroups(Punctuation, Keyword, Whitespace, Number.Integer)),
# An Option that defines the size, the fps and the background
# color of an flash movie
(r'(-)(swf-header)( +)(\d+)(:)(\d+)(:)(\d+)(:)([A-Fa-f0-9]{6})',
bygroups(Punctuation, Keyword, Whitespace, Number.Integer,
Punctuation, Number.Integer, Punctuation, Number.Integer,
Punctuation, Number.Hex)),
# options with two dashes that takes arguments
(r'(--)(js-namespace|php-front|php-lib|remap|gen-hx-classes)( +)'
r'(.+)', bygroups(Punctuation, Keyword, Whitespace, String)),
# Single line comment, multiline ones are not allowed.
(r'#.*', Comment.Single)
]
}
Zerion Mini Shell 1.0