cpppeg/sample-6.cpp at master · kik/cpppeg · GitHub

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#include<iostream>
#include<string>
#include<boost/lexical_cast.hpp>
#include<boost/function.hpp>
#include"peg.hpp"

namespacef= boost::fusion;
usingnamespacepeg;
usingnamespacestd;

typedef ch<'a'> a_t;
typedef ch<'b'> b_t;
typedef ch<'c'> c_t;

structA;
structB;

structS {
voidaction(if_<f::vector<A, unless<b_t> > >, replus<a_t>, const B&, unless<c_t>, eoi) {
 }
};

structA {
voidaction(a_t, opt<A>, b_t) {
 }
};

structB {
voidaction(b_t, opt<B>, c_t) {
 }
};

voidtest(const string& s)
{
 cout << s << " ---> ";
 parser<S> parser;
 S v;

if (!parser.parse(v, s.begin(), s.end())) {
 cout << "parse error" << endl;
 } else {
 cout << "parse ok " << endl;
 }

}

intmain()
{
test("");
test("abc");
test("aabbcc");
test("aaabbbccc");
test("aaabbccc");
test("aabbbccc");
test("aaabbbcc");
return0;
}