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Adding implementation comments to Language

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IlyaShurupov 2023-10-31 09:54:03 +03:00 • committed by Ilya Shurupov
parent b8f2380c60
commit aecad978ec
1 changed files with 5 additions and 1 deletions
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6
Language/private/SimpleParser.cpp
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@ -9,6 +9,7 @@ SimpleParser::SimpleParser() {
// Define Context-Free grammar
ContextFreeGrammar contextFreeGrammar;
{
// use existing CF grammar interface
auto term = contextFreeGrammar.createTerminal();
auto nonTerm = contextFreeGrammar.createNonTerminal();
@ -23,6 +24,7 @@ SimpleParser::SimpleParser() {
// Define Regular grammar
RegularGrammar regularGrammar;
{
// this is basically ast from existing tokenizer
regularGrammar.addRule(regularGrammar.alternate(regularGrammar.repeat(regularGrammar.symbols("asd")), regularGrammar.symbol("a")));
regularGrammar.addRule(regularGrammar.alternate(regularGrammar.repeat(regularGrammar.symbols("asd")), regularGrammar.symbol("a")));
}
@ -37,12 +39,14 @@ void SimpleParser::compileTables(const Sentence& grammar) {
// compile each ast into RegularGrammar and ContextFree Grammar api instructions
ContextFreeGrammar userContextFreeGrammar;
RegularGrammar 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);
}