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This commit is contained in:
IlyaShurupov 2023-10-22 17:07:28 +03:00
parent 43e374f269
commit 744c01c5d0
928 changed files with 14515 additions and 21480 deletions
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98
Parser/private/CfGrammarParser.cpp
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@ -43,16 +43,16 @@ typedef Buffer<State> Automata;
void initializeTokenizer(CFGTokenizer* tok) {
tok->build({
{ CFGTokenizer::tTokenizer::etherRE, Token::IGNORED },
{ "Start", Token::START },
{ ":", Token::EQUAL },
{ "\\[", Token::TERMINAL_START },
{ "\\]", Token::TERMINAL_END },
{ "\\|", Token::ALTERNATION },
{ ";", Token::RULE_END },
{ "&", Token::EPSILON },
{ CFGTokenizer::tTokenizer::idRE, Token::ID },
{ CFGTokenizer::tTokenizer::commentBlockRE, Token::COMMENT },
{ CFGTokenizer::tTokenizer::etherRE, Token::IGNORED },
{ "Start", Token::START },
{ ":", Token::EQUAL },
{ "\\[", Token::TERMINAL_START },
{ "\\]", Token::TERMINAL_END },
{ "\\|", Token::ALTERNATION },
{ ";", Token::RULE_END },
{ "&", Token::EPSILON },
{ CFGTokenizer::tTokenizer::idRE, Token::ID },
{ CFGTokenizer::tTokenizer::commentBlockRE, Token::COMMENT },
});
ASSERT(tok->isBuild())
@ -71,54 +71,54 @@ void initAutomata(Automata& automata) {
auto terminalEnd = states;
root->transitions = {
{ Token::END, end },
{ Token::START, start },
{ Token::ID, rule, [](CfGrammar* grammar, const String& tok) {
grammar->rules.pushBack({ tok, {} });
}
},
{ Token::END, end },
{ Token::START, start },
{ Token::ID,
rule,
[](CfGrammar* grammar, const String& tok) {
grammar->rules.pushBack({ tok, {} });
} },
};
start->transitions = {
{ Token::ID,
root,
[](CfGrammar* grammar, const String& tok) {
grammar->startTerminal = tok;
}
},
{ Token::ID, root, [](CfGrammar* grammar, const String& tok) { grammar->startTerminal = tok; } },
};
rule->transitions = {
{ Token::EQUAL, rhs },
{ Token::EQUAL, rhs },
};
rhs->transitions = {
{ Token::ALTERNATION, rhs, [](CfGrammar* grammar, const String& tok) {
auto const& id = grammar->rules.last()->data.id;
grammar->rules.pushBack({ id, {} });
}
},
{ Token::ID, rhs, [](CfGrammar* grammar, const String& tok) {
grammar->rules.last()->data.args.pushBack({ tok, false, false });
}
},
{ Token::EPSILON, rhs, [](CfGrammar* grammar, const String& tok) {
grammar->rules.last()->data.args.pushBack({ tok, false, true });
}
},
{ Token::TERMINAL_START, terminalStart },
{ Token::RULE_END, root },
{ Token::ALTERNATION,
rhs,
[](CfGrammar* grammar, const String& tok) {
auto const& id = grammar->rules.last()->data.id;
grammar->rules.pushBack({ id, {} });
} },
{ Token::ID,
rhs,
[](CfGrammar* grammar, const String& tok) {
grammar->rules.last()->data.args.pushBack({ tok, false, false });
} },
{ Token::EPSILON,
rhs,
[](CfGrammar* grammar, const String& tok) {
grammar->rules.last()->data.args.pushBack({ tok, false, true });
} },
{ Token::TERMINAL_START, terminalStart },
{ Token::RULE_END, root },
};
terminalStart->transitions = {
{ Token::ID, terminalEnd, [](CfGrammar* grammar, const String& tok) {
grammar->rules.last()->data.args.pushBack({ tok, true, false });
}
},
{ Token::ID,
terminalEnd,
[](CfGrammar* grammar, const String& tok) {
grammar->rules.last()->data.args.pushBack({ tok, true, false });
} },
};
terminalEnd->transitions = {
{ Token::TERMINAL_END, rhs },
{ Token::TERMINAL_END, rhs },
};
auto idError = "Expected an identifier";
@ -196,14 +196,8 @@ CfGrammarParserState* CfGrammar::initializeCfGrammarParser() {
return state;
}
void CfGrammar::deinitializeCfGrammarParser(CfGrammarParserState* state) {
delete state;
}
void CfGrammar::deinitializeCfGrammarParser(CfGrammarParserState* state) { delete state; }
bool CfGrammar::parse(CfGrammarParserState* context, const String& source) {
return ::parse(source.read(), &context->automata, &context->tokenizer, this);
}
bool CfGrammar::parse(CfGrammarParserState* context, const String& source) { return ::parse(source.read(), &context->automata, &context->tokenizer, this); }
bool CfGrammar::isLooped() const {
return mIsLooped;
}
bool CfGrammar::isLooped() const { return mIsLooped; }