forked from Mirror/frr
1a8c390d4a
When building argv for matched command, only the last node was being copied to argv; the rest were added by reference. Additionally the regex for certain tokens was too restrictive and disallowed characters allowed by the old parser; these have been reinstated. Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
41 lines
1.2 KiB
Plaintext
41 lines
1.2 KiB
Plaintext
%{
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#include "command_parse.h"
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extern void set_buffer_string(const char *);
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%}
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WORD [-+a-z\*][-+_a-zA-Z0-9\*]*
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IPV4 A\.B\.C\.D
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IPV4_PREFIX A\.B\.C\.D\/M
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IPV6 X:X::X:X
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IPV6_PREFIX X:X::X:X\/M
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VARIABLE [A-Z][-_a-zA-Z:0-9]+
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NUMBER [0-9]{1,20}
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RANGE \({NUMBER}\-{NUMBER}\)
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/* yytext shall be a pointer */
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%pointer
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%option noyywrap
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%option nounput
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%option noinput
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%option outfile="command_lex.c"
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%%
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[ /t] /* ignore whitespace */;
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{WORD} {yylval.string = XSTRDUP(MTYPE_TMP, yytext); return WORD;}
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{IPV4} {yylval.string = XSTRDUP(MTYPE_TMP, yytext); return IPV4;}
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{IPV4_PREFIX} {yylval.string = XSTRDUP(MTYPE_TMP, yytext); return IPV4_PREFIX;}
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{IPV6} {yylval.string = XSTRDUP(MTYPE_TMP, yytext); return IPV6;}
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{IPV6_PREFIX} {yylval.string = XSTRDUP(MTYPE_TMP, yytext); return IPV6_PREFIX;}
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{VARIABLE} {yylval.string = XSTRDUP(MTYPE_TMP, yytext); return VARIABLE;}
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{NUMBER} {yylval.integer = atoi(yytext); return NUMBER;}
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{RANGE} {yylval.string = XSTRDUP(MTYPE_TMP, yytext); return RANGE;}
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. {return yytext[0];}
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%%
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void
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set_buffer_string(const char *string)
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{
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yy_scan_string(string);
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}
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