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#include "bnf.h"
#include "cpp.h"
#include "cppbnf.h"
#include "lexer.h"
#include "grammer.h"
#include "minicc.h"
#include "debug.h"
#include <boost/algorithm/string.hpp>
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include <algorithm>
#include <cctype>
#include <deque>
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
using namespace std::string_literals;
class GrammerTest: public ::testing::Test
{
protected:
GrammerTest() {
//debug = true;
}
~GrammerTest() {
}
// Accessors for friend
size_t minimumSymbolsNeeded(Gram::Compiler& compiler, std::vector<std::string> list) {
return compiler.minimumSymbolsNeeded(list);
}
size_t minimumSymbolsNeeded(Gram::Compiler& compiler, std::string s) {
return compiler.minimumSymbolsNeeded(s);
}
};
TEST_F(GrammerTest, minimumSymbolsNeeded) {
auto bnf = SubBNF(CPPBNF::GetCppBNFGram(), "translation-unit");
Gram::Compiler compiler(bnf, "translation-unit");
EXPECT_EQ(minimumSymbolsNeeded(compiler, std::vector<std::string>{}), 0);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "translation-unit"), 0);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "logical-or-expression"), 1);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "assignment-expression"), 1);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "declaration"), 1);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "block-declaration"), 2);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "simple-declaration"), 2);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "asm-declaration"), 5);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "namespace-alias-definition"), 5);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "using-declaration"), 4);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "using-enum-declaration"), 4);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "using-directive"), 4);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "static_assert-declaration"), 5);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "alias-declaration"), 5);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "opaque-enum-declaration"), 3);
EXPECT_EQ(minimumSymbolsNeeded(compiler, "function-definition"), 3);
}
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