51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
#ifndef PARSER_H
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#define PARSER_H
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#include <vector>
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#include "Lexer/Token.h"
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#include "Expression.h"
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#include "Statement.h"
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using namespace std;
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class Parser {
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private:
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vector<shared_ptr<Token>> tokens;
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int currentIndex = 0;
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shared_ptr<Statement> nextStatement();
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shared_ptr<Statement> matchStatementFunctionDeclaration();
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shared_ptr<Statement> matchStatementVarDeclaration();
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shared_ptr<Statement> matchStatementBlock(vector<TokenKind> terminalTokenKinds, bool shouldConsumeTerminal);
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shared_ptr<Statement> matchStatementReturn();
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shared_ptr<Statement> matchStatementExpression();
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shared_ptr<Statement> matchStatementMetaExternFunction();
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shared_ptr<StatementInvalid> matchStatementInvalid(string message = "");
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shared_ptr<Expression> nextExpression();
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shared_ptr<Expression> matchEquality(); // =, !=
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shared_ptr<Expression> matchComparison(); // <, <=, >, >=
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shared_ptr<Expression> matchTerm(); // +, -
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shared_ptr<Expression> matchFactor(); // *, /, %
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shared_ptr<Expression> matchPrimary(); // integer, ()
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shared_ptr<Expression> matchExpressionLiteral();
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shared_ptr<Expression> matchExpressionGrouping();
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shared_ptr<Expression> matchExpressionBinary(shared_ptr<Expression> left);
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shared_ptr<Expression> matchExpressionIfElse();
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shared_ptr<Expression> matchExpressionVar();
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shared_ptr<Expression> matchExpressionCall();
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shared_ptr<ExpressionInvalid> matchExpressionInvalid();
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bool tryMatchingTokenKinds(vector<TokenKind> kinds, bool shouldMatchAll, bool shouldAdvance);
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optional<ValueType> valueTypeForToken(shared_ptr<Token> token);
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public:
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Parser(vector<shared_ptr<Token>> tokens);
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vector<shared_ptr<Statement>> getStatements();
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};
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#endif |