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53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
#pragma once
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#include "toy_common.h"
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#include "toy_bucket.h"
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#include "toy_string.h"
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#include "toy_value.h"
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//keys are leaf-only strings
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typedef struct Toy_ScopeEntry {
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Toy_String key;
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Toy_Value value;
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Toy_ValueType type;
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bool constant;
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unsigned int psl;
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} Toy_ScopeEntry;
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//holds a table-like collection of variables TODO: check bitness
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typedef struct Toy_Scope {
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struct Toy_Scope* next;
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unsigned int refCount;
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unsigned int capacity;
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unsigned int count;
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unsigned int maxPsl;
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Toy_ScopeEntry* data;
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} Toy_Scope;
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//handle deep scopes - the scope is stored in the bucket, not the table
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TOY_API Toy_Scope* Toy_pushScope(Toy_Bucket** bucketHandle, Toy_Scope* scope);
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TOY_API Toy_Scope* Toy_popScope(Toy_Scope* scope);
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//manage the contents
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TOY_API void Toy_declareScope(Toy_Scope* scope, Toy_String* key, Toy_ValueType type, Toy_Value value, bool constant);
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TOY_API void Toy_assignScope(Toy_Scope* scope, Toy_String* key, Toy_Value value);
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TOY_API Toy_Value* Toy_accessScopeAsPointer(Toy_Scope* scope, Toy_String* key);
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TOY_API bool Toy_isDeclaredScope(Toy_Scope* scope, Toy_String* key);
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//some useful sizes, could be swapped out as needed
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#ifndef TOY_SCOPE_INITIAL_CAPACITY
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#define TOY_SCOPE_INITIAL_CAPACITY 8
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#endif
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//NOTE: The DOOM hack needs a power of 2
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#ifndef TOY_SCOPE_EXPANSION_RATE
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#define TOY_SCOPE_EXPANSION_RATE 2
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#endif
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//expand when the contents passes a certain percentage (80%) of the capacity
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#ifndef TOY_SCOPE_EXPANSION_THRESHOLD
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#define TOY_SCOPE_EXPANSION_THRESHOLD 0.8f
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#endif
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