68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
#ifndef PORYGONLANG_PARSER_HPP
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#define PORYGONLANG_PARSER_HPP
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#include <utility>
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#include <vector>
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#include "ParsedStatements/ParsedStatement.hpp"
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#include "../Script.hpp"
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namespace Porygon::Parser {
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enum class OperatorPrecedence {
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No,
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LogicalOr,
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LogicalAnd,
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Equality,
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Additive,
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Multiplication,
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Unary,
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};
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class Parser {
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vector<const Token *> _tokens;
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unsigned int _position;
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Porygon::Script *ScriptData;
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const Token *Peek();
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const Token *PeekAt(int offset);
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const Token *Next();
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// Statements
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ParsedStatement *ParseStatement(const Token *current);
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ParsedStatement *ParseVariableAssignment(const Token *current);
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ParsedStatement *ParseIndexAssignment(ParsedExpression *indexer);
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ParsedBlockStatement *ParseBlock(const vector<TokenKind> &endTokens, const vector<const ParsedStatement *> &openStatements = {});
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ParsedStatement *ParseFunctionDeclaration(const Token *current);
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ParsedStatement *ParseReturnStatement(const Token *current);
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ParsedStatement *ParseIfStatement(const Token *current);
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ParsedStatement *ParseForStatement();
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ParsedStatement *ParseNumericForStatement(const Token *current);
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ParsedStatement *ParseGenericForStatement(const Token *current);
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ParsedStatement *ParseWhileStatement(const Token *current);
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// Expressions
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ParsedExpression *ParseExpression(const Token *current);
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ParsedExpression *ParseComplexExpression(ParsedExpression* previous);
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ParsedExpression *ParseBinaryExpression(const Token *current, OperatorPrecedence parentPrecedence);
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ParsedExpression *ParsePrimaryExpression(const Token *current);
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ParsedExpression *ParseParenthesizedExpression(const Token *current);
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ParsedExpression *ParseFunctionCallExpression(ParsedExpression *functionExpression);
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ParsedExpression *ParseIndexExpression(ParsedExpression *indexingExpression);
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ParsedExpression *ParsePeriodIndexExpression(ParsedExpression *indexingExpression);
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ParsedExpression *ParseTableExpression(const Token *current);
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public:
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ParsedScriptStatement *Parse();
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explicit Parser(vector<const Token *> tokens, Porygon::Script *scriptData) : _tokens(std::move(tokens)), _position(0),
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ScriptData(scriptData){
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}
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};
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}
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#endif //PORYGONLANG_PARSER_HPP
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