Make parser template class

This commit is contained in:
IlyaShurupov 2023-11-06 15:43:31 +03:00 committed by Ilya Shurupov
parent 419ebb43d1
commit b3e5bf0941
9 changed files with 50 additions and 94 deletions

View file

@ -1,4 +0,0 @@
#include "AST.hpp"
using namespace tp;

View file

@ -1,4 +0,0 @@
#include "GrammarCompiler.hpp"
using namespace tp;

View file

@ -1,8 +0,0 @@
#include "Parser.hpp"
using namespace tp;
void Parser::compileTables(const ContextFreeGrammar& cfGrammar, const RegularGrammar& reGrammar) {}
void Parser::parse(const Sentence& sentence, AST& out) {}

View file

@ -1,4 +0,0 @@
#include "Sentence.hpp"
using namespace tp;

View file

@ -1,47 +0,0 @@
#include "NewPlacement.hpp"
#include "SimpleParser.hpp"
using namespace tp;
SimpleParser::SimpleParser() {
// Grammar for unified grammar format sentence that tables compiled from
// Define Context-Free grammar
ContextFreeGrammar contextFreeGrammar;
{
// use existing CF grammar interface
contextFreeGrammar.addRule("a", { ContextFreeGrammar::Arg("") });
contextFreeGrammar.setStart("a");
}
// Define Regular grammar
RegularGrammar<uint1, int1> rg;
{
// this is basically ast from existing tokenizer
rg.addRule(rg.seq({ rg.val('a'), rg.val('b') }), 0);
}
mUnifiedGrammarParser.compileTables(contextFreeGrammar, rg);
}
void SimpleParser::compileTables(const Sentence& grammar) {
AST unifiedGrammarAst;
mUnifiedGrammarParser.parse(grammar, unifiedGrammarAst);
// compile each ast into RegularGrammar and ContextFree Grammar api instructions
ContextFreeGrammar userContextFreeGrammar;
RegularGrammar<uint1, int1> userRegularGrammar;
// ...
// split ast into RE and CF part
// generate and execute grammar api commands
// use existing tokenizer code to create RE transition matrix
// ...
// compile tables from user grammar
mUserParser.compileTables(userContextFreeGrammar, userRegularGrammar);
}
void SimpleParser::parse(const Sentence& sentence, AST& out) { mUserParser.parse(sentence, out); }