annotate runtime/syntax/forth.vim @ 18486:9d887cad7315

Added tag v8.1.2237 for changeset 63ee3c2b140fe1b4801389872a8e47aec19d028b
author Bram Moolenaar <Bram@vim.org>
date Thu, 31 Oct 2019 20:00:04 +0100
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children 5b7ea82bc18f
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1 " Vim syntax file
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2 " Language: FORTH
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3 " Current Maintainer: Johan Kotlinski <kotlinski@gmail.com>
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4 " Previous Maintainer: Christian V. J. Brüssow <cvjb@cvjb.de>
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5 " Last Change: 2018-03-29
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6 " Filenames: *.fs,*.ft
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7 " URL: https://github.com/jkotlinski/forth.vim
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8
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9 " quit when a syntax file was already loaded
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10 if exists("b:current_syntax")
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11 finish
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12 endif
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13
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14 let s:cpo_save = &cpo
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15 set cpo&vim
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16
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17 " Synchronization method
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18 syn sync ccomment
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19 syn sync maxlines=200
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20
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21 " I use gforth, so I set this to case ignore
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22 syn case ignore
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23
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24 " Some special, non-FORTH keywords
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25 syn keyword forthTodo contained TODO FIXME XXX
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26 syn match forthTodo contained 'Copyright\(\s([Cc])\)\=\(\s[0-9]\{2,4}\)\='
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27
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28 " Characters allowed in keywords
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29 " I don't know if 128-255 are allowed in ANS-FORTH
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30 setlocal iskeyword=!,@,33-35,%,$,38-64,A-Z,91-96,a-z,123-126,128-255
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31
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32 " when wanted, highlight trailing white space
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33 if exists("forth_space_errors")
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34 if !exists("forth_no_trail_space_error")
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35 syn match forthSpaceError display excludenl "\s\+$"
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36 endif
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37 if !exists("forth_no_tab_space_error")
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38 syn match forthSpaceError display " \+\t"me=e-1
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39 endif
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40 endif
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41
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42 " Keywords
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43
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44 " basic mathematical and logical operators
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45 syn keyword forthOperators + - * / MOD /MOD NEGATE ABS MIN MAX
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46 syn keyword forthOperators AND OR XOR NOT LSHIFT RSHIFT INVERT 2* 2/ 1+
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47 syn keyword forthOperators 1- 2+ 2- 8* UNDER+
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48 syn keyword forthOperators M+ */ */MOD M* UM* M*/ UM/MOD FM/MOD SM/REM
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49 syn keyword forthOperators D+ D- DNEGATE DABS DMIN DMAX D2* D2/
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50 syn keyword forthOperators F+ F- F* F/ FNEGATE FABS FMAX FMIN FLOOR FROUND
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51 syn keyword forthOperators F** FSQRT FEXP FEXPM1 FLN FLNP1 FLOG FALOG FSIN
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52 syn keyword forthOperators FCOS FSINCOS FTAN FASIN FACOS FATAN FATAN2 FSINH
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53 syn keyword forthOperators FCOSH FTANH FASINH FACOSH FATANH F2* F2/ 1/F
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54 syn keyword forthOperators F~REL F~ABS F~
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55 syn keyword forthOperators 0< 0<= 0<> 0= 0> 0>= < <= <> = > >= U< U<=
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56 syn keyword forthOperators U> U>= D0< D0<= D0<> D0= D0> D0>= D< D<= D<>
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57 syn keyword forthOperators D= D> D>= DU< DU<= DU> DU>= WITHIN ?NEGATE
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58 syn keyword forthOperators ?DNEGATE TRUE FALSE
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59
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60 " various words that take an input and do something with it
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61 syn keyword forthFunction . U. .R U.R
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62
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63 " stack manipulations
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64 syn keyword forthStack DROP NIP DUP OVER TUCK SWAP ROT -ROT ?DUP PICK ROLL
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65 syn keyword forthStack 2DROP 2NIP 2DUP 2OVER 2TUCK 2SWAP 2ROT 2-ROT
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66 syn keyword forthStack 3DUP 4DUP 5DUP 3DROP 4DROP 5DROP 8DROP 4SWAP 4ROT
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67 syn keyword forthStack 4-ROT 4TUCK 8SWAP 8DUP
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68 syn keyword forthRStack >R R> R@ RDROP 2>R 2R> 2R@ 2RDROP
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69 syn keyword forthRstack 4>R 4R> 4R@ 4RDROP
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70 syn keyword forthFStack FDROP FNIP FDUP FOVER FTUCK FSWAP FROT
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71
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72 " stack pointer manipulations
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73 syn keyword forthSP SP@ SP! FP@ FP! RP@ RP! LP@ LP! DEPTH
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74
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75 " address operations
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76 syn keyword forthMemory @ ! +! C@ C! 2@ 2! F@ F! SF@ SF! DF@ DF!
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77 syn keyword forthAdrArith CHARS CHAR+ CELLS CELL+ CELL ALIGN ALIGNED FLOATS
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78 syn keyword forthAdrArith FLOAT+ FLOAT FALIGN FALIGNED SFLOATS SFLOAT+
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79 syn keyword forthAdrArith SFALIGN SFALIGNED DFLOATS DFLOAT+ DFALIGN DFALIGNED
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80 syn keyword forthAdrArith MAXALIGN MAXALIGNED CFALIGN CFALIGNED
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81 syn keyword forthAdrArith ADDRESS-UNIT-BITS ALLOT ALLOCATE HERE
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82 syn keyword forthMemBlks MOVE ERASE CMOVE CMOVE> FILL BLANK UNUSED
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83
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84 " conditionals
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85 syn keyword forthCond IF ELSE ENDIF THEN CASE OF ENDOF ENDCASE ?DUP-IF
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86 syn keyword forthCond ?DUP-0=-IF AHEAD CS-PICK CS-ROLL CATCH THROW WITHIN
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87
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88 " iterations
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89 syn keyword forthLoop BEGIN WHILE REPEAT UNTIL AGAIN
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90 syn keyword forthLoop ?DO LOOP I J K +DO U+DO -DO U-DO DO +LOOP -LOOP
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91 syn keyword forthLoop UNLOOP LEAVE ?LEAVE EXIT DONE FOR NEXT RECURSE
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92
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93 " new words
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94 syn match forthClassDef '\<:class\s*[^ \t]\+\>'
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95 syn match forthObjectDef '\<:object\s*[^ \t]\+\>'
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96 syn match forthColonDef '\<:m\?\s*[^ \t]\+\>'
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97 syn keyword forthEndOfColonDef ; ;M ;m
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98 syn keyword forthEndOfClassDef ;class
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99 syn keyword forthEndOfObjectDef ;object
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100 syn keyword forthDefine CONSTANT 2CONSTANT FCONSTANT VARIABLE 2VARIABLE
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101 syn keyword forthDefine FVARIABLE CREATE USER VALUE TO DEFER IS DOES> IMMEDIATE
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102 syn keyword forthDefine COMPILE-ONLY COMPILE RESTRICT INTERPRET POSTPONE EXECUTE
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103 syn keyword forthDefine LITERAL CREATE-INTERPRET/COMPILE INTERPRETATION>
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104 syn keyword forthDefine <INTERPRETATION COMPILATION> <COMPILATION ] LASTXT
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105 syn keyword forthDefine COMP' POSTPONE, FIND-NAME NAME>INT NAME?INT NAME>COMP
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106 syn keyword forthDefine NAME>STRING STATE C; CVARIABLE BUFFER: MARKER
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107 syn keyword forthDefine , 2, F, C, COMPILE,
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108 syn match forthDefine "\[IFDEF]"
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109 syn match forthDefine "\[IFUNDEF]"
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110 syn match forthDefine "\[THEN]"
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111 syn match forthDefine "\[ENDIF]"
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112 syn match forthDefine "\[ELSE]"
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113 syn match forthDefine "\[?DO]"
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114 syn match forthDefine "\[DO]"
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115 syn match forthDefine "\[LOOP]"
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116 syn match forthDefine "\[+LOOP]"
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117 syn match forthDefine "\[NEXT]"
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118 syn match forthDefine "\[BEGIN]"
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119 syn match forthDefine "\[UNTIL]"
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120 syn match forthDefine "\[AGAIN]"
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121 syn match forthDefine "\[WHILE]"
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122 syn match forthDefine "\[REPEAT]"
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123 syn match forthDefine "\[COMP']"
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124 syn match forthDefine "'"
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125 syn match forthDefine '\<\[\>'
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126 syn match forthDefine "\[']"
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127 syn match forthDefine '\[COMPILE]'
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128 syn match forthDefine '\[CHAR]'
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129
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130 " debugging
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131 syn keyword forthDebug PRINTDEBUGDATA PRINTDEBUGLINE
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132 syn match forthDebug "\<\~\~\>"
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133
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134 " Assembler
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135 syn keyword forthAssembler ASSEMBLER CODE END-CODE ;CODE FLUSH-ICACHE C,
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136
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137 " basic character operations
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138 syn keyword forthCharOps (.) CHAR EXPECT FIND WORD TYPE -TRAILING EMIT KEY
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139 syn keyword forthCharOps KEY? TIB CR BL COUNT SPACE SPACES
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140 " recognize 'char (' or '[char] (' correctly, so it doesn't
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141 " highlight everything after the paren as a comment till a closing ')'
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142 syn match forthCharOps '\<char\s\S\s'
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143 syn match forthCharOps '\<\[char\]\s\S\s'
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144 syn region forthCharOps start=+."\s+ skip=+\\"+ end=+"+
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145
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146 " char-number conversion
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147 syn keyword forthConversion <<# <# # #> #>> #S (NUMBER) (NUMBER?) CONVERT D>F
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148 syn keyword forthConversion D>S DIGIT DPL F>D HLD HOLD NUMBER S>D SIGN >NUMBER
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149 syn keyword forthConversion F>S S>F HOLDS
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150
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151 " interpreter, wordbook, compiler
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152 syn keyword forthForth (LOCAL) BYE COLD ABORT >BODY >NEXT >LINK CFA >VIEW HERE
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153 syn keyword forthForth PAD WORDS VIEW VIEW> N>LINK NAME> LINK> L>NAME FORGET
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154 syn keyword forthForth BODY> ASSERT( ASSERT0( ASSERT1( ASSERT2( ASSERT3( )
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155 syn keyword forthForth >IN ACCEPT ENVIRONMENT? EVALUATE QUIT SOURCE ACTION-OF
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156 syn keyword forthForth DEFER! DEFER@ PARSE PARSE-NAME REFILL RESTORE-INPUT
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157 syn keyword forthForth SAVE-INPUT SOURCE-ID
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158 syn region forthForth start=+ABORT"\s+ skip=+\\"+ end=+"+
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159
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160 " vocabularies
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161 syn keyword forthVocs ONLY FORTH ALSO ROOT SEAL VOCS ORDER CONTEXT #VOCS
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162 syn keyword forthVocs VOCABULARY DEFINITIONS
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163
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164 " File keywords
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165 syn keyword forthFileMode R/O R/W W/O BIN
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166 syn keyword forthFileWords OPEN-FILE CREATE-FILE CLOSE-FILE DELETE-FILE
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167 syn keyword forthFileWords RENAME-FILE READ-FILE READ-LINE KEY-FILE
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168 syn keyword forthFileWords KEY?-FILE WRITE-FILE WRITE-LINE EMIT-FILE
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169 syn keyword forthFileWords FLUSH-FILE FILE-STATUS FILE-POSITION
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170 syn keyword forthFileWords REPOSITION-FILE FILE-SIZE RESIZE-FILE
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171 syn keyword forthFileWords SLURP-FILE SLURP-FID STDIN STDOUT STDERR
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172 syn keyword forthFileWords INCLUDE-FILE INCLUDED REQUIRED
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173 syn keyword forthBlocks OPEN-BLOCKS USE LOAD --> BLOCK-OFFSET
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174 syn keyword forthBlocks GET-BLOCK-FID BLOCK-POSITION LIST SCR BLOCK
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175 syn keyword forthBlocks BUFER EMPTY-BUFFERS EMPTY-BUFFER UPDATE UPDATED?
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176 syn keyword forthBlocks SAVE-BUFFERS SAVE-BUFFER FLUSH THRU +LOAD +THRU
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177 syn keyword forthBlocks BLOCK-INCLUDED BLK
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178
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179 " numbers
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180 syn keyword forthMath DECIMAL HEX BASE
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181 syn match forthInteger '\<-\=[0-9]\+.\=\>'
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182 syn match forthInteger '\<&-\=[0-9]\+.\=\>'
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183 " recognize hex and binary numbers, the '$' and '%' notation is for gforth
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184 syn match forthInteger '\<\$\x*\x\+\>' " *1* --- dont't mess
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185 syn match forthInteger '\<\x*\d\x*\>' " *2* --- this order!
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186 syn match forthInteger '\<%[0-1]*[0-1]\+\>'
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187 syn match forthFloat '\<-\=\d*[.]\=\d\+[DdEe]\d\+\>'
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188 syn match forthFloat '\<-\=\d*[.]\=\d\+[DdEe][-+]\d\+\>'
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189
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190 " XXX If you find this overkill you can remove it. this has to come after the
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191 " highlighting for numbers otherwise it has no effect.
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192 syn region forthComment start='0 \[if\]' end='\[endif\]' end='\[then\]' contains=forthTodo
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193
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194 " Strings
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195 syn region forthString start=+\.*\"+ end=+"+ end=+$+
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196 " XXX
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197 syn region forthString start=+s\"+ end=+"+ end=+$+
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198 syn region forthString start=+s\\\"+ end=+"+ end=+$+
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199 syn region forthString start=+c\"+ end=+"+ end=+$+
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200
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201 " Comments
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202 syn match forthComment '\\\s.*$' contains=forthTodo,forthSpaceError
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203 syn region forthComment start='\\S\s' end='.*' contains=forthTodo,forthSpaceError
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204 syn match forthComment '\.(\s[^)]*)' contains=forthTodo,forthSpaceError
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205 syn region forthComment start='\(^\|\s\)\zs(\s' skip='\\)' end=')' contains=forthTodo,forthSpaceError
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206 syn region forthComment start='/\*' end='\*/' contains=forthTodo,forthSpaceError
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207
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208 " Include files
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209 syn match forthInclude '^INCLUDE\s\+\k\+'
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210 syn match forthInclude '^REQUIRE\s\+\k\+'
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211 syn match forthInclude '^FLOAD\s\+'
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212 syn match forthInclude '^NEEDS\s\+'
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213
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214 " Locals definitions
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215 syn region forthLocals start='{\s' start='{$' end='\s}' end='^}'
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216 syn match forthLocals '{ }' " otherwise, at least two spaces between
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217 syn region forthDeprecated start='locals|' end='|'
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218
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219 " Define the default highlighting.
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220 hi def link forthTodo Todo
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221 hi def link forthOperators Operator
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222 hi def link forthMath Number
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223 hi def link forthInteger Number
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224 hi def link forthFloat Float
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225 hi def link forthStack Special
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226 hi def link forthRstack Special
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227 hi def link forthFStack Special
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228 hi def link forthSP Special
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229 hi def link forthMemory Function
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230 hi def link forthAdrArith Function
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231 hi def link forthMemBlks Function
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232 hi def link forthCond Conditional
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233 hi def link forthLoop Repeat
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234 hi def link forthColonDef Define
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235 hi def link forthEndOfColonDef Define
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236 hi def link forthDefine Define
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237 hi def link forthDebug Debug
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238 hi def link forthAssembler Include
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239 hi def link forthCharOps Character
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240 hi def link forthConversion String
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241 hi def link forthForth Statement
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242 hi def link forthVocs Statement
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243 hi def link forthString String
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244 hi def link forthComment Comment
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245 hi def link forthClassDef Define
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246 hi def link forthEndOfClassDef Define
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247 hi def link forthObjectDef Define
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248 hi def link forthEndOfObjectDef Define
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249 hi def link forthInclude Include
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250 hi def link forthLocals Type " nothing else uses type and locals must stand out
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251 hi def link forthDeprecated Error " if you must, change to Type
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252 hi def link forthFileMode Function
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253 hi def link forthFunction Function
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254 hi def link forthFileWords Statement
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255 hi def link forthBlocks Statement
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256 hi def link forthSpaceError Error
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257
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258 let b:current_syntax = "forth"
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259
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260 let &cpo = s:cpo_save
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261 unlet s:cpo_save
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262 " vim:ts=8:sw=4:nocindent:smartindent: