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Changed to use C++ raw string.

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This commit is contained in:
yhirose 2015-08-06 23:09:37 -04:00
parent 5ebd01c846
commit d834a7c4ce
2 changed files with 18 additions and 18 deletions
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18
example/calc.cc
View File

@ -34,15 +34,15 @@ int main(int argc, const char** argv)
return result;
};
peg parser(
" EXPRESSION <- _ TERM (TERM_OPERATOR TERM)* "
" TERM <- FACTOR (FACTOR_OPERATOR FACTOR)* "
" FACTOR <- NUMBER / '(' _ EXPRESSION ')' _ "
" TERM_OPERATOR <- < [-+] > _ "
" FACTOR_OPERATOR <- < [/*] > _ "
" NUMBER <- < [0-9]+ > _ "
" ~_ <- [ \t\r\n]* "
);
peg parser(R"(
EXPRESSION <- _ TERM (TERM_OPERATOR TERM)*
TERM <- FACTOR (FACTOR_OPERATOR FACTOR)*
FACTOR <- NUMBER / '(' _ EXPRESSION ')' _
TERM_OPERATOR <- < [-+] > _
FACTOR_OPERATOR <- < [/*] > _
NUMBER <- < [0-9]+ > _
~_ <- [ \t\r\n]*
)");
parser["EXPRESSION"] = reduce;
parser["TERM"] = reduce;

18
example/calc3.cc
View File

@ -39,15 +39,15 @@ int main(int argc, const char** argv)
}
};
peg parser(
" EXPRESSION <- _ TERM (TERM_OPERATOR TERM)* "
" TERM <- FACTOR (FACTOR_OPERATOR FACTOR)* "
" FACTOR <- NUMBER / '(' _ EXPRESSION ')' _ "
" TERM_OPERATOR <- < [-+] > _ "
" FACTOR_OPERATOR <- < [/*] > _ "
" NUMBER <- < [0-9]+ > _ "
" ~_ <- [ \t\r\n]* "
);
peg parser(R"(
EXPRESSION <- _ TERM (TERM_OPERATOR TERM)*
TERM <- FACTOR (FACTOR_OPERATOR FACTOR)*
FACTOR <- NUMBER / '(' _ EXPRESSION ')' _
TERM_OPERATOR <- < [-+] > _
FACTOR_OPERATOR <- < [/*] > _
NUMBER <- < [0-9]+ > _
~_ <- [ \t\r\n]*
)");
parser.enable_ast();