78 lines
3 KiB
C++
78 lines
3 KiB
C++
#pragma once
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#ifndef PARSEUTIL_H
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#define PARSEUTIL_H
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#include "heallocation.h"
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#include "log.h"
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#include <QString>
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#include <QList>
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#include <QMap>
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#include <QRegularExpression>
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enum TokenClass {
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Number,
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Operator,
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Error,
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};
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class Token {
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public:
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Token(QString value = "", QString type = "") {
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this->value = value;
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this->type = TokenClass::Operator;
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if (type == "decimal" || type == "hex") {
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this->type = TokenClass::Number;
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this->operatorPrecedence = -1;
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} else if (type == "operator") {
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this->operatorPrecedence = precedenceMap[value];
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} else if (type == "error") {
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this->type = TokenClass::Error;
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}
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}
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static QMap<QString, int> precedenceMap;
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QString value;
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TokenClass type;
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int operatorPrecedence; // only relevant for operator tokens
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};
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class ParseUtil {
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public:
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ParseUtil(){};
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void set_root(const QString& dir);
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static QString readTextFile(const QString& path);
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static int textFileLineCount(const QString& path);
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QList<QStringList> parseAsm(const QString& filename);
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int evaluateDefine(const QString&, const QMap<QString, int>&);
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QStringList readCArray(const QString& text, const QString& label);
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QMap<QString, QString> readNamedIndexCArray(const QString& text, const QString& label);
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QString readCIncbin(const QString& text, const QString& label);
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QMap<QString, int> readCDefines(const QString& filename, const QStringList& prefixes, QMap<QString, int> = {});
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QStringList readCDefinesSorted(const QString&, const QStringList&, const QMap<QString, int>& = {});
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QList<QStringList> getLabelMacros(const QList<QStringList>&, const QString&);
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QStringList getLabelValues(const QList<QStringList>&, const QString&);
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bool tryParseJsonFile(QJsonDocument* out, const QString& filepath);
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bool ensureFieldsExist(const QJsonObject& obj, const QList<QString>& fields);
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// Returns the 1-indexed line number for the definition of scriptLabel in the scripts file at filePath.
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// Returns 0 if a definition for scriptLabel cannot be found.
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static int getScriptLineNumber(const QString& filePath, const QString& scriptLabel);
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static int getRawScriptLineNumber(QString text, const QString& scriptLabel);
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static int getPoryScriptLineNumber(QString text, const QString& scriptLabel);
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static QString removeStringLiterals(QString text);
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static QString removeLineComments(QString text, const QString& commentSymbol);
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static QString removeLineComments(QString text, const QStringList& commentSymbols);
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static QStringList splitShellCommand(QStringView command);
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private:
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QString root;
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QString text;
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QString file;
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QList<Token> tokenizeExpression(QString expression, const QMap<QString, int>& knownIdentifiers);
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QList<Token> generatePostfix(const QList<Token>& tokens);
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int evaluatePostfix(const QList<Token>& postfix);
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void error(const QString& message, const QString& expression);
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};
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#endif // PARSEUTIL_H
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