68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
#ifndef PARSER_H
|
|
#define PARSER_H
|
|
|
|
#include <vector>
|
|
|
|
class Error;
|
|
|
|
class Token;
|
|
enum class TokenKind;
|
|
class ValueType;
|
|
|
|
class Expression;
|
|
class Statement;
|
|
|
|
class ParseeGroup;
|
|
class ParseeResult;
|
|
|
|
using namespace std;
|
|
|
|
class Parser {
|
|
private:
|
|
vector<shared_ptr<Error>> errors;
|
|
vector<shared_ptr<Token>> tokens;
|
|
int currentIndex = 0;
|
|
|
|
shared_ptr<Statement> nextStatement();
|
|
shared_ptr<Statement> nextInBlockStatement();
|
|
|
|
shared_ptr<Statement> matchStatementMetaExternFunction();
|
|
shared_ptr<Statement> matchStatementVariable();
|
|
shared_ptr<Statement> matchStatementFunction();
|
|
shared_ptr<Statement> matchStatementRawFunction();
|
|
|
|
shared_ptr<Statement> matchStatementBlock(vector<TokenKind> terminalTokenKinds);
|
|
shared_ptr<Statement> matchStatementAssignment();
|
|
shared_ptr<Statement> matchStatementReturn();
|
|
shared_ptr<Statement> matchStatementRepeat();
|
|
shared_ptr<Statement> matchStatementExpression();
|
|
|
|
shared_ptr<Expression> nextExpression();
|
|
shared_ptr<Expression> matchEquality(); // =, !=
|
|
shared_ptr<Expression> matchComparison(); // <, <=, >, >=
|
|
shared_ptr<Expression> matchTerm(); // +, -
|
|
shared_ptr<Expression> matchFactor(); // *, /, %
|
|
shared_ptr<Expression> matchPrimary(); // integer, ()
|
|
|
|
shared_ptr<Expression> matchExpressionGrouping();
|
|
shared_ptr<Expression> matchExpressionLiteral();
|
|
shared_ptr<Expression> matchExpressionArrayLiteral();
|
|
shared_ptr<Expression> matchExpressionVariable();
|
|
shared_ptr<Expression> matchExpressionCall();
|
|
shared_ptr<Expression> matchExpressionIfElse();
|
|
shared_ptr<Expression> matchExpressionBinary(shared_ptr<Expression> left);
|
|
shared_ptr<Expression> matchExpressionBlock(vector<TokenKind> terminalTokenKinds);
|
|
|
|
shared_ptr<ValueType> matchValueType();
|
|
|
|
optional<vector<ParseeResult>> parseeResultsForParseeGroup(ParseeGroup group);
|
|
bool tryMatchingTokenKinds(vector<TokenKind> kinds, bool shouldMatchAll, bool shouldAdvance);
|
|
|
|
void markError(optional<TokenKind> expectedTokenKind, optional<string> message);
|
|
|
|
public:
|
|
Parser(vector<shared_ptr<Token>> tokens);
|
|
vector<shared_ptr<Statement>> getStatements();
|
|
};
|
|
|
|
#endif |