55 lines
794 B
Plaintext
55 lines
794 B
Plaintext
%{
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#include "location.h"
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#include "assign_tab.hh"
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extern YYLTYPE asgn_lloc;
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#define YY_USER_ACTION SET_LLOC(asgn_);
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%}
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%option nounput
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%option noyy_top_state
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%option stack
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%option yylineno
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%option prefix="asgn_"
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%option never-interactive
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%x CMT
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%%
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/* comments */
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<*>"/*" {yy_push_state(CMT);}
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<CMT>[^*\n]*
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<CMT>"*"+[^*/\n]*
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<CMT>"*"+"/" {yy_pop_state();}
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<CMT>[\n]
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"//".*\n
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/* spaces */
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[ \t\r\n] {return BLANK;}
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/* names */
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[A-Za-z_][A-Za-z0-9_]* {
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asgn_lval.string = asgn_text;
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return NAME;
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}
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; {return SEMICOLON;}
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= {return EQUAL_SIGN;}
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. {
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asgn_lval.character = asgn_text[0];
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return CHARACTER;
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}
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%%
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int asgn_wrap()
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{
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return 1;
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}
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void asgn__destroy_buffer(void* p)
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{
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asgn__delete_buffer((YY_BUFFER_STATE)p);
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}
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