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Clarify part of code

issue#70
Houtan Bastani 2019-12-03 16:42:38 +01:00
parent 23ff36a0dd
commit abbdbb5862
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1 changed files with 9 additions and 2 deletions
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11
src/DynareFlex.ll
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@ -977,8 +977,15 @@ DATE -?[0-9]+([ya]|m([1-9]|1[0-2])|q[1-4]|w([1-9]{1}|[1-4][0-9]|5[0-2]))
}
}
/* For joint prior statement, match [symbol, symbol, ...]
If no match, begin native and push everything back on stack
/*
For joint prior statement, match [symbol, symbol, ...]
If no match, begin native and push everything back on stack
We produce SYMBOL_VEC in Flex (instead of matching `'[' symbol_list ']'`
in Bison because the pattern also matches potential native statements
(e.g. function returns from a MATLAB/Octave function). Hence, we need to
be able to back out of the statement if we realize it's a native statement
and move to the NATIVE context
*/
<INITIAL>\[([[:space:]]*[a-z_][a-z0-9_]*[[:space:]]*,{1}[[:space:]]*)*([[:space:]]*[a-z_][a-z0-9_]*[[:space:]]*){1}\] {
string yytextcpy = string(yytext);