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https://github.com/krgamestudios/Toy.git
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97 lines
4.1 KiB
C
97 lines
4.1 KiB
C
#pragma once
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#include "toy_common.h"
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#include "toy_print.h"
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//forward declarations
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struct Toy_Bucket;
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union Toy_String_t;
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struct Toy_Array;
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struct Toy_Table;
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union Toy_Function_t;
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typedef enum Toy_ValueType {
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TOY_VALUE_NULL,
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TOY_VALUE_BOOLEAN,
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TOY_VALUE_INTEGER,
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TOY_VALUE_FLOAT,
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TOY_VALUE_STRING,
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TOY_VALUE_ARRAY,
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TOY_VALUE_TABLE,
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TOY_VALUE_FUNCTION,
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TOY_VALUE_OPAQUE,
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TOY_VALUE_ANY,
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TOY_VALUE_REFERENCE, //not a value itself, but pointing to one
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TOY_VALUE_UNKNOWN, //The correct type is unknown, but will be determined later
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} Toy_ValueType;
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//8 bytes in size
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typedef struct Toy_Value { //32 | 64 BITNESS
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union {
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struct Toy_Value* reference; //4 | 8
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bool boolean; //1 | 1
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int integer; //4 | 4
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float number; //4 | 4
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union Toy_String_t* string; //4 | 8
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struct Toy_Array* array; //4 | 8
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struct Toy_Table* table; //4 | 8
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union Toy_Function_t* function;//4 | 8
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//TODO: more types go here
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} as; //4 | 8
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Toy_ValueType type; //4 | 4
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} Toy_Value; //8 | 16
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#define TOY_VALUE_IS_NULL(value) (Toy_unwrapValue(value).type == TOY_VALUE_NULL)
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#define TOY_VALUE_IS_BOOLEAN(value) (Toy_unwrapValue(value).type == TOY_VALUE_BOOLEAN)
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#define TOY_VALUE_IS_INTEGER(value) (Toy_unwrapValue(value).type == TOY_VALUE_INTEGER)
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#define TOY_VALUE_IS_FLOAT(value) (Toy_unwrapValue(value).type == TOY_VALUE_FLOAT)
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#define TOY_VALUE_IS_STRING(value) (Toy_unwrapValue(value).type == TOY_VALUE_STRING)
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#define TOY_VALUE_IS_ARRAY(value) (Toy_unwrapValue(value).type == TOY_VALUE_ARRAY)
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#define TOY_VALUE_IS_TABLE(value) (Toy_unwrapValue(value).type == TOY_VALUE_TABLE)
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#define TOY_VALUE_IS_FUNCTION(value) (Toy_unwrapValue(value).type == TOY_VALUE_FUNCTION)
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#define TOY_VALUE_IS_OPAQUE(value) (Toy_unwrapValue(value).type == TOY_VALUE_OPAQUE)
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#define TOY_VALUE_IS_TYPE(value) (Toy_unwrapValue(value).type == TOY_VALUE_TYPE)
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#define TOY_VALUE_IS_REFERENCE(value) ((value).type == TOY_VALUE_REFERENCE)
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#define TOY_VALUE_AS_BOOLEAN(value) (Toy_unwrapValue(value).as.boolean)
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#define TOY_VALUE_AS_INTEGER(value) (Toy_unwrapValue(value).as.integer)
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#define TOY_VALUE_AS_FLOAT(value) (Toy_unwrapValue(value).as.number)
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#define TOY_VALUE_AS_STRING(value) (Toy_unwrapValue(value).as.string)
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#define TOY_VALUE_AS_ARRAY(value) (Toy_unwrapValue(value).as.array)
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#define TOY_VALUE_AS_TABLE(value) (Toy_unwrapValue(value).as.table)
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#define TOY_VALUE_AS_FUNCTION(value) (Toy_unwrapValue(value).as.function)
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//TODO: more
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#define TOY_VALUE_FROM_NULL() ((Toy_Value){{ .integer = 0 }, TOY_VALUE_NULL})
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#define TOY_VALUE_FROM_BOOLEAN(value) ((Toy_Value){{ .boolean = value }, TOY_VALUE_BOOLEAN})
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#define TOY_VALUE_FROM_INTEGER(value) ((Toy_Value){{ .integer = value }, TOY_VALUE_INTEGER})
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#define TOY_VALUE_FROM_FLOAT(value) ((Toy_Value){{ .number = value }, TOY_VALUE_FLOAT})
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#define TOY_VALUE_FROM_STRING(value) ((Toy_Value){{ .string = value }, TOY_VALUE_STRING})
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#define TOY_VALUE_FROM_ARRAY(value) ((Toy_Value){{ .array = value }, TOY_VALUE_ARRAY})
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#define TOY_VALUE_FROM_TABLE(value) ((Toy_Value){{ .table = value }, TOY_VALUE_TABLE})
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#define TOY_VALUE_FROM_FUNCTION(value) ((Toy_Value){{ .function = value }, TOY_VALUE_FUNCTION})
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//TODO: more
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#define TOY_REFERENCE_FROM_POINTER(ptr) ((Toy_Value){{ .reference = ptr }, TOY_VALUE_REFERENCE})
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//utilities
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TOY_API Toy_Value Toy_unwrapValue(Toy_Value value);
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TOY_API unsigned int Toy_hashValue(Toy_Value value);
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TOY_API Toy_Value Toy_copyValue(Toy_Value value);
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TOY_API void Toy_freeValue(Toy_Value value);
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TOY_API bool Toy_checkValueIsTruthy(Toy_Value value);
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TOY_API bool Toy_checkValuesAreEqual(Toy_Value left, Toy_Value right);
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TOY_API bool Toy_checkValuesAreComparable(Toy_Value left, Toy_Value right);
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TOY_API int Toy_compareValues(Toy_Value left, Toy_Value right);
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//convert the value to a string - values that *are* strings are simply copied
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TOY_API union Toy_String_t* Toy_stringifyValue(struct Toy_Bucket** bucketHandle, Toy_Value value);
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//for debugging
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TOY_API const char* Toy_private_getValueTypeAsCString(Toy_ValueType type);
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