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https://gitlab.com/freepascal.org/fpc/source.git
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81 lines
1.2 KiB
Plaintext
81 lines
1.2 KiB
Plaintext
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(* lexical analyzer template (TP Lex V3.0), V1.0 3-2-91 AG *)
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(* global definitions: *)
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%%
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function yylex : Integer;
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procedure yyaction ( yyruleno : Integer );
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(* local definitions: *)
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%%
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begin
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(* actions: *)
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case yyruleno of
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%%
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end;
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end(*yyaction*);
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(* DFA table: *)
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%%
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var yyn : Integer;
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label start, scan, action;
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begin
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start:
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(* initialize: *)
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yynew;
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scan:
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(* mark positions and matches: *)
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for yyn := yykl[yystate] to yykh[yystate] do yymark(yyk[yyn]);
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for yyn := yymh[yystate] downto yyml[yystate] do yymatch(yym[yyn]);
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if yytl[yystate]>yyth[yystate] then goto action; (* dead state *)
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(* get next character: *)
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yyscan;
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(* determine action: *)
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yyn := yytl[yystate];
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while (yyn<=yyth[yystate]) and not (yyactchar in yyt[yyn].cc) do inc(yyn);
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if yyn>yyth[yystate] then goto action;
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(* no transition on yyactchar in this state *)
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(* switch to new state: *)
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yystate := yyt[yyn].s;
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goto scan;
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action:
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(* execute action: *)
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if yyfind(yyrule) then
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begin
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yyaction(yyrule);
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if yyreject then goto action;
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end
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else if not yydefault and yywrap then
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begin
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yyclear;
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return(0);
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end;
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if not yydone then goto start;
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yylex := yyretval;
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end(*yylex*);
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