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LR(1) Parser Initial

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This commit is contained in:
IlushaShurupov 2023-08-12 11:37:41 +03:00
parent 616441e049
commit 01b6f9099c
8 changed files with 161 additions and 46 deletions
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48
Parser/tests/GrammarTests.cpp Normal file
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#include "NewPlacement.hpp"
#include "Testing.hpp"
#include "Parser.hpp"
using namespace tp;
TEST_DEF(Grammar) {
String source = R"(
Start Body
Body : [ Function ] | List | &;
List : [ LIST ];
)";
auto state = CfGrammar::initializeCfGrammarParser();
CfGrammar grammar;
if (!grammar.parse(state, source)) {
TEST(0 && "Parsing is failed\n");
CfGrammar::deinitializeCfGrammarParser(state);
return;
}
if (!grammar.compile()) {
TEST(0 && "Compilation is failed\n");
CfGrammar::deinitializeCfGrammarParser(state);
return;
}
CfGrammar::deinitializeCfGrammarParser(state);
printf("Grammar accepted.\n");
List<CfGrammar::Sentence> sentences;
grammar.generateSentences(sentences);
TEST_ASSERT(sentences.length() == 3);
TEST_ASSERT(sentences.first()->data.terms.length() == 1);
TEST_ASSERT(sentences.last()->data.terms.length() == 1);
TEST(sentences.first()->data.terms.first()->data.id == "Function");
TEST(sentences.last()->data.terms.first()->data.id == "LIST");
printf("Example sentences formed from grammar: \n");
for (auto sentence : sentences) tp::CfGrammar::printSentence(sentence.data());
}