95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
#ifndef RESOURCECOMPILER_H
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#define RESOURCECOMPILER_H
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#include "Expression.h"
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#include "ResourceDefinitions.h"
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class Field;
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class RezWorld;
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class Diagnostic;
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class Subscripts
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{
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std::vector<int> subscripts;
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public:
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Subscripts();
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~Subscripts();
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void addSubscript(int x);
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void popSubscript();
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bool operator<(const Subscripts& other) const;
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bool empty() const { return subscripts.empty(); }
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};
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class BinaryOutput
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{
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protected:
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int currentOffset;
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std::vector<unsigned char> data;
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std::vector<unsigned char> prePassData;
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bool verboseFlag;
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bool prePass;
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public:
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BinaryOutput();
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void reset(bool prePass);
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std::string resourceData();
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void reserve(int nBits) { write(nBits, 0); }
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void write(int nBits, int value);
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int tell() { return currentOffset; }
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int peek(int bitPos, int size);
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bool isPrePass() { return prePass; }
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};
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class ResourceCompiler : public BinaryOutput
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{
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RezWorld& world;
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TypeDefinitionPtr typeDefinition;
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CompoundExprPtr body;
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std::map<std::pair<std::string, Subscripts>, ExprPtr> labelValues;
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std::map<std::pair<std::string, Subscripts>, int> arrayCounts;
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std::map<std::string, int> curArrayIndices;
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Field* currentField;
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Subscripts currentSubscripts;
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void beginArrayScope(std::string& arrayName, int index);
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public:
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ResourceCompiler(RezWorld& world, TypeDefinitionPtr type, CompoundExprPtr body, bool verboseFlag);
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ExprPtr lookupIdentifier(std::string name, const Subscripts& sub = Subscripts());
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void defineLabel(const std::string& name);
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void compile();
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int getArrayCount(const std::string& arrayName);
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int getArrayIndex(const std::string& arrayName);
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class FieldScope
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{
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ResourceCompiler *compiler;
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public:
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FieldScope(ResourceCompiler* compiler, Field *field)
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: compiler(compiler) { compiler->currentField = field; }
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~FieldScope() { compiler->currentField = nullptr; }
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};
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class ArrayScope
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{
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ResourceCompiler *compiler;
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public:
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ArrayScope(ResourceCompiler* compiler, std::string& arrayName, int index)
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: compiler(compiler) { compiler->beginArrayScope(arrayName, index); }
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~ArrayScope() { compiler->currentSubscripts.popSubscript(); }
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};
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void problem(Diagnostic d);
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};
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#endif // RESOURCECOMPILER_H
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