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1#ifndef RESOURCECOMPILER_H
2#define RESOURCECOMPILER_H
3
4#include "Expression.h"
5#include "ResourceDefinitions.h"
6
7class Field;
8class RezWorld;
9class Diagnostic;
10
11class Subscripts
12{
13 std::vector<int> subscripts;
14public:
15 Subscripts();
16 ~Subscripts();
17
18 void addSubscript(int x);
19 void popSubscript();
20 bool operator<(const Subscripts& other) const;
21 bool empty() const { return subscripts.empty(); }
22};
23
24class BinaryOutput
25{
26protected:
27 int currentOffset;
28 std::vector<unsigned char> data;
29 std::vector<unsigned char> prePassData;
30 bool verboseFlag;
31 bool prePass;
32public:
33 BinaryOutput();
34 void reset(bool prePass);
35
36 std::string resourceData();
37
38 void reserve(int nBits) { write(nBits, 0); }
39 void write(int nBits, int value);
40 int tell() { return currentOffset; }
41
42 int peek(int bitPos, int size);
43
44 bool isPrePass() { return prePass; }
45};
46
47class ResourceCompiler : public BinaryOutput
48{
49 RezWorld& world;
50 TypeDefinitionPtr typeDefinition;
51 CompoundExprPtr body;
52 std::map<std::pair<std::string, Subscripts>, ExprPtr> labelValues;
53 std::map<std::pair<std::string, Subscripts>, int> arrayCounts;
54 std::map<std::string, int> curArrayIndices;
55 Field* currentField;
56 Subscripts currentSubscripts;
57
58 void beginArrayScope(std::string& arrayName, int index);
59public:
60 ResourceCompiler(RezWorld& world, TypeDefinitionPtr type, CompoundExprPtr body, bool verboseFlag);
61
62 ExprPtr lookupIdentifier(std::string name, const Subscripts& sub = Subscripts());
63
64 void defineLabel(const std::string& name);
65 void compile();
66
67 int getArrayCount(const std::string& arrayName);
68 int getArrayIndex(const std::string& arrayName);
69
70
71 class FieldScope
72 {
73 ResourceCompiler *compiler;
74 public:
75 FieldScope(ResourceCompiler* compiler, Field *field)
76 : compiler(compiler) { compiler->currentField = field; }
77 ~FieldScope() { compiler->currentField = nullptr; }
78 };
79
80 class ArrayScope
81 {
82 ResourceCompiler *compiler;
83 public:
84 ArrayScope(ResourceCompiler* compiler, std::string& arrayName, int index)
85 : compiler(compiler) { compiler->beginArrayScope(arrayName, index); }
86 ~ArrayScope() { compiler->currentSubscripts.popSubscript(); }
87 };
88
89 void problem(Diagnostic d);
90};
91
92
93
94#endif // RESOURCECOMPILER_H