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new try: optimized yang string parsing

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This commit is contained in:
Olof hagsand 2019-02-20 17:36:40 +01:00
parent 8279c015d8
commit a20865846e
2 changed files with 20 additions and 16 deletions
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30
lib/src/clixon_yang_parse.l
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@ -191,14 +191,14 @@ identifier [A-Za-z_][A-Za-z0-9_\-\.]*
<KEYWORD>\} { return *yytext; }
<KEYWORD>; { return *yytext; }
<KEYWORD>. { clixon_yang_parselval.string = strdup(yytext);
BEGIN(UNKNOWN); return CHAR; }
BEGIN(UNKNOWN); return CHARS; }
<UNKNOWN>: { return *yytext; }
<UNKNOWN>; { BEGIN(KEYWORD); return *yytext; }
<UNKNOWN>\" { _YY->yy_lex_string_state =UNKNOWN; BEGIN(STRINGDQ); return *yytext; }
<UNKNOWN>\{ { BEGIN(KEYWORD); return *yytext; }
<UNKNOWN>. { clixon_yang_parselval.string = strdup(yytext);
return CHAR; }
return CHARS; }
<BOOLEAN>true { clixon_yang_parselval.string = strdup(yytext);
return BOOL; }
@ -226,22 +226,26 @@ identifier [A-Za-z_][A-Za-z0-9_\-\.]*
<STRING>\' { _YY->yy_lex_string_state =STRING; BEGIN(STRINGSQ); return SQ; }
<STRING>\+ { return *yytext; }
<STRING>. { clixon_yang_parselval.string = strdup(yytext);
return CHAR;}
return CHARS;}
<STRINGDQ>\\ { _YY->yy_lex_state = STRINGDQ; BEGIN(ESCAPE); }
<STRINGDQ>\" { BEGIN(_YY->yy_lex_string_state); return *yytext; }
<STRINGDQ>\n { _YY->yy_linenum++; clixon_yang_parselval.string = strdup(yytext); return CHAR;}
<STRINGDQ>. { clixon_yang_parselval.string = strdup(yytext);
return CHAR;}
<STRINGDQ>\\ { _YY->yy_lex_state = STRINGDQ; BEGIN(ESCAPE); }
<STRINGDQ>\" { BEGIN(_YY->yy_lex_string_state); return *yytext; }
<STRINGDQ>\n { _YY->yy_linenum++;
clixon_yang_parselval.string = strdup(yytext);
return CHARS;}
<STRINGDQ>[^\\"\n]+ { clixon_yang_parselval.string = strdup(yytext);
return CHARS;}
<STRINGSQ>\' { BEGIN(_YY->yy_lex_string_state); return SQ; }
<STRINGSQ>\n { _YY->yy_linenum++; clixon_yang_parselval.string = strdup(yytext); return CHAR;}
<STRINGSQ>. { clixon_yang_parselval.string = strdup(yytext);
return CHAR;}
<STRINGSQ>\' { BEGIN(_YY->yy_lex_string_state); return SQ; }
<STRINGSQ>\n { _YY->yy_linenum++;
clixon_yang_parselval.string = strdup(yytext);
return CHARS;}
<STRINGSQ>[^'\n]+ { clixon_yang_parselval.string = strdup(yytext);
return CHARS;}
<ESCAPE>. { BEGIN(_YY->yy_lex_state);
clixon_yang_parselval.string = strdup(yytext);
return CHAR; }
return CHARS; }
<COMMENT1>[^*\n]* /* eat anything that's not a '*' */
<COMMENT1>"*"+[^*/\n]* /* eat up '*'s not followed by '/'s */
<COMMENT1>"*"+"/" BEGIN(_YY->yy_lex_state);