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Viewing changes to src/mp-equation-lexer.l

  • Committer: Bazaar Package Importer
  • Author(s): Robert Ancell
  • Date: 2009-12-22 10:06:16 UTC
  • mfrom: (1.1.63 upstream)
  • Revision ID: james.westby@ubuntu.com-20091222100616-5ir8k6orw75omhdi
Tags: 5.29.4-0ubuntu1
* New upstream release:
  * Make 0^0 = 1
  * Use superscript digits for scientific notation
  * Clear display when entering a number after an equation
  * Make Ctrl+W a shortcut to quit
  * Updated translations

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Lines of Context:
src/mp-equation-lexer.l
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DEC           {ZERO}|{ONE}|{TWO}|{THREE}|{FOUR}|{FIVE}|{SIX}|{SEVEN}|{EIGHT}|{NINE}
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HEX           {DEC}|[A-F]
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SUPER_DIGITS  "⁰"|"¹"|"²"|"³"|"⁴"|"⁵"|"⁶"|"⁷"|"⁸"|"⁹"
 
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SUPER_MINUS   "⁻"
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SUB_DIGITS    "₀"|"₁"|"₂"|"₃"|"₄"|"₅"|"₆"|"₇"|"₈"|"₉"
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FRACTION      "½"|"⅓"|"⅔"|"¼"|"¾"|"⅕"|"⅖"|"⅗"|"⅘"|"⅙"|"⅚"|"⅛"|"⅜"|"⅝"|"⅞"
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INVERSE       "⁻¹"
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GREEKS        "α"|"β"|"γ"|"δ"|"ε"|"ζ"|"η"|"θ"|"ι"|"κ"|"λ"|"μ"|"ν"|"ξ"|"ο"|"π"|"ρ"|"ς"|"σ"|"τ"|"υ"|"φ"|"χ"|"ψ"|"ω"
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LETTERS       [a-zA-Z]|{GREEKS}
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SUP_NUM  {SUPER_DIGITS}+
 
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NSUP_NUM {SUPER_MINUS}{SUPER_DIGITS}+
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SUB_NUM  {SUB_DIGITS}+
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WORD     {LETTERS}+
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DEC_NUM  {DEC}+|{DEC}*{DECIMAL}{DEC}+
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BASE_NUM {HEX}+{SUB_NUM}|{HEX}*{DECIMAL}{HEX}+{SUB_NUM}
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NUMBER   {DEC_NUM}|{BASE_NUM}|{FRACTION}|{DEC_NUM}{FRACTION}
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VARIABLE {WORD}|{WORD}{SUB_NUM}|{WORD}{INVERSE}|{GREEKS}
 
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VARIABLE {WORD}|{WORD}{SUB_NUM}|{WORD}"⁻¹"|{GREEKS}
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MOD  [mM][oO][dD]
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AND  "∧"|[aA][nN][dD]
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{XOR}       {return tXOR;}
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{IN}        {return tIN;}
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{NUMBER}    {if (mp_set_from_string(yytext, &yylval->int_t) != 0) REJECT; return tNUMBER;}
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{SUP_NUM}   {yylval->integer = super_atoi(yytext); return tSUPNUM; }
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{SUB_NUM}   {yylval->integer = sub_atoi(yytext); return tSUBNUM; }
 
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{SUP_NUM}   {yylval->integer = super_atoi(yytext); return tSUPNUM;}
 
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{NSUP_NUM}  {yylval->integer = super_atoi(yytext); return tNSUPNUM;}
 
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{SUB_NUM}   {yylval->integer = sub_atoi(yytext); return tSUBNUM;}
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{VARIABLE}  {yylval->name = strdup(yytext); return tVARIABLE;}
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{INVERSE}   {return tINVERSE;}
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[ \t\n]
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.           {return *yytext;}
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