67 lines
2 KiB
C++
67 lines
2 KiB
C++
#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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{
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public:
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ParseUtil();
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void set_root(QString);
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QString readTextFile(QString);
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void strip_comment(QString*);
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QList<QStringList>* parseAsm(QString);
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int evaluateDefine(QString, QMap<QString, int>*);
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QStringList readCArray(QString text, QString label);
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QMap<QString, QString> readNamedIndexCArray(QString text, QString label);
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QString readCIncbin(QString text, QString label);
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QMap<QString, int> readCDefines(QString filename, QStringList prefixes);
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void readCDefinesSorted(QString, QStringList, QStringList*);
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QList<QStringList>* getLabelMacros(QList<QStringList>*, QString);
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QStringList* getLabelValues(QList<QStringList>*, QString);
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bool tryParseJsonFile(QJsonDocument *out, QString filepath);
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bool ensureFieldsExist(QJsonObject obj, QList<QString> fields);
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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, QMap<QString, int>* knownIdentifiers);
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QList<Token> generatePostfix(QList<Token> tokens);
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int evaluatePostfix(QList<Token> postfix);
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void error(QString message, QString expression);
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};
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#endif // PARSEUTIL_H
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