--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/ThirdParty/Pygments/pygments/lexers/forth.py Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,177 @@
+# -*- coding: utf-8 -*-
+"""
+ pygments.lexers.forth
+ ~~~~~~~~~~~~~~~~~~~~~
+
+ :copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
+ :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from pygments.lexer import RegexLexer, include, bygroups
+from pygments.token import Error, Punctuation, Literal, Token, \
+ Text, Comment, Operator, Keyword, Name, String, Number, Generic
+
+
+__all__ = ['ForthLexer']
+
+
+class ForthLexer(RegexLexer):
+ """
+ Lexer for Forth files.
+
+ .. versionadded:: 2.2
+ """
+ name = 'Forth'
+ aliases = ['forth']
+ filenames = ['*.frt', '*.fs']
+ mimetypes = ['application/x-forth']
+
+ delimiter = r'\s'
+ delimiter_end = r'(?=[%s])' % delimiter
+
+ valid_name_chars = r'[^%s]' % delimiter
+ valid_name = r"%s+%s" % (valid_name_chars, delimiter_end)
+
+ flags = re.IGNORECASE | re.MULTILINE
+
+ tokens = {
+ 'root': [
+ (r'\s+', Text),
+ # All comment types
+ (r'\\.*?\n', Comment.Single),
+ (r'\([\s].*?\)', Comment.Single),
+ # defining words. The next word is a new command name
+ (r'(:|variable|constant|value|buffer:)(\s+)',
+ bygroups(Keyword.Namespace, Text), 'worddef'),
+ # strings are rather simple
+ (r'([.sc]")(\s+?)', bygroups(String, Text), 'stringdef'),
+ # keywords from the various wordsets
+ # *** Wordset BLOCK
+ (r'(blk|block|buffer|evaluate|flush|load|save-buffers|update|'
+ # *** Wordset BLOCK-EXT
+ r'empty-buffers|list|refill|scr|thru|'
+ # *** Wordset CORE
+ r'\#s|\*\/mod|\+loop|\/mod|0<|0=|1\+|1-|2!|'
+ r'2\*|2\/|2@|2drop|2dup|2over|2swap|>body|'
+ r'>in|>number|>r|\?dup|abort|abort\"|abs|'
+ r'accept|align|aligned|allot|and|base|begin|'
+ r'bl|c!|c,|c@|cell\+|cells|char|char\+|'
+ r'chars|constant|count|cr|create|decimal|'
+ r'depth|do|does>|drop|dup|else|emit|environment\?|'
+ r'evaluate|execute|exit|fill|find|fm\/mod|'
+ r'here|hold|i|if|immediate|invert|j|key|'
+ r'leave|literal|loop|lshift|m\*|max|min|'
+ r'mod|move|negate|or|over|postpone|quit|'
+ r'r>|r@|recurse|repeat|rot|rshift|s\"|s>d|'
+ r'sign|sm\/rem|source|space|spaces|state|swap|'
+ r'then|type|u\.|u\<|um\*|um\/mod|unloop|until|'
+ r'variable|while|word|xor|\[char\]|\[\'\]|'
+ r'@|!|\#|<\#|\#>|:|;|\+|-|\*|\/|,|<|>|\|1\+|1-|\.|'
+ # *** Wordset CORE-EXT
+ r'\.r|0<>|'
+ r'0>|2>r|2r>|2r@|:noname|\?do|again|c\"|'
+ r'case|compile,|endcase|endof|erase|false|'
+ r'hex|marker|nip|of|pad|parse|pick|refill|'
+ r'restore-input|roll|save-input|source-id|to|'
+ r'true|tuck|u\.r|u>|unused|value|within|'
+ r'\[compile\]|'
+ # *** Wordset CORE-EXT-obsolescent
+ r'\#tib|convert|expect|query|span|'
+ r'tib|'
+ # *** Wordset DOUBLE
+ r'2constant|2literal|2variable|d\+|d-|'
+ r'd\.|d\.r|d0<|d0=|d2\*|d2\/|d<|d=|d>s|'
+ r'dabs|dmax|dmin|dnegate|m\*\/|m\+|'
+ # *** Wordset DOUBLE-EXT
+ r'2rot|du<|'
+ # *** Wordset EXCEPTION
+ r'catch|throw|'
+ # *** Wordset EXCEPTION-EXT
+ r'abort|abort\"|'
+ # *** Wordset FACILITY
+ r'at-xy|key\?|page|'
+ # *** Wordset FACILITY-EXT
+ r'ekey|ekey>char|ekey\?|emit\?|ms|time&date|'
+ # *** Wordset FILE
+ r'BIN|CLOSE-FILE|CREATE-FILE|DELETE-FILE|FILE-POSITION|'
+ r'FILE-SIZE|INCLUDE-FILE|INCLUDED|OPEN-FILE|R\/O|'
+ r'R\/W|READ-FILE|READ-LINE|REPOSITION-FILE|RESIZE-FILE|'
+ r'S\"|SOURCE-ID|W/O|WRITE-FILE|WRITE-LINE|'
+ # *** Wordset FILE-EXT
+ r'FILE-STATUS|FLUSH-FILE|REFILL|RENAME-FILE|'
+ # *** Wordset FLOAT
+ r'>float|d>f|'
+ r'f!|f\*|f\+|f-|f\/|f0<|f0=|f<|f>d|f@|'
+ r'falign|faligned|fconstant|fdepth|fdrop|fdup|'
+ r'fliteral|float\+|floats|floor|fmax|fmin|'
+ r'fnegate|fover|frot|fround|fswap|fvariable|'
+ r'represent|'
+ # *** Wordset FLOAT-EXT
+ r'df!|df@|dfalign|dfaligned|dfloat\+|'
+ r'dfloats|f\*\*|f\.|fabs|facos|facosh|falog|'
+ r'fasin|fasinh|fatan|fatan2|fatanh|fcos|fcosh|'
+ r'fe\.|fexp|fexpm1|fln|flnp1|flog|fs\.|fsin|'
+ r'fsincos|fsinh|fsqrt|ftan|ftanh|f~|precision|'
+ r'set-precision|sf!|sf@|sfalign|sfaligned|sfloat\+|'
+ r'sfloats|'
+ # *** Wordset LOCAL
+ r'\(local\)|to|'
+ # *** Wordset LOCAL-EXT
+ r'locals\||'
+ # *** Wordset MEMORY
+ r'allocate|free|resize|'
+ # *** Wordset SEARCH
+ r'definitions|find|forth-wordlist|get-current|'
+ r'get-order|search-wordlist|set-current|set-order|'
+ r'wordlist|'
+ # *** Wordset SEARCH-EXT
+ r'also|forth|only|order|previous|'
+ # *** Wordset STRING
+ r'-trailing|\/string|blank|cmove|cmove>|compare|'
+ r'search|sliteral|'
+ # *** Wordset TOOLS
+ r'.s|dump|see|words|'
+ # *** Wordset TOOLS-EXT
+ r';code|'
+ r'ahead|assembler|bye|code|cs-pick|cs-roll|'
+ r'editor|state|\[else\]|\[if\]|\[then\]|'
+ # *** Wordset TOOLS-EXT-obsolescent
+ r'forget|'
+ # Forth 2012
+ r'defer|defer@|defer!|action-of|begin-structure|field:|buffer:|'
+ r'parse-name|buffer:|traverse-wordlist|n>r|nr>|2value|fvalue|'
+ r'name>interpret|name>compile|name>string|'
+ r'cfield:|end-structure)'+delimiter, Keyword),
+
+ # Numbers
+ (r'(\$[0-9A-F]+)', Number.Hex),
+ (r'(\#|%|&|\-|\+)?[0-9]+', Number.Integer),
+ (r'(\#|%|&|\-|\+)?[0-9.]+', Keyword.Type),
+ # amforth specific
+ (r'(@i|!i|@e|!e|pause|noop|turnkey|sleep|'
+ r'itype|icompare|sp@|sp!|rp@|rp!|up@|up!|'
+ r'>a|a>|a@|a!|a@+|a@-|>b|b>|b@|b!|b@+|b@-|'
+ r'find-name|1ms|'
+ r'sp0|rp0|\(evaluate\)|int-trap|int!)' + delimiter,
+ Name.Constant),
+ # a proposal
+ (r'(do-recognizer|r:fail|recognizer:|get-recognizers|'
+ r'set-recognizers|r:float|r>comp|r>int|r>post|'
+ r'r:name|r:word|r:dnum|r:num|recognizer|forth-recognizer|'
+ r'rec:num|rec:float|rec:word)' + delimiter, Name.Decorator),
+ # defining words. The next word is a new command name
+ (r'(Evalue|Rvalue|Uvalue|Edefer|Rdefer|Udefer)(\s+)',
+ bygroups(Keyword.Namespace, Text), 'worddef'),
+
+ (valid_name, Name.Function), # Anything else is executed
+
+ ],
+ 'worddef': [
+ (r'\S+', Name.Class, '#pop'),
+ ],
+ 'stringdef': [
+ (r'[^"]+', String, '#pop'),
+ ],
+ }
