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https://github.com/krgamestudios/Toy.git
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Kayne Ruse
4bcf8e84a9
Strings, due to their potentially large size, are stored outside of a routine's code section, in the data section. To access the correct string, you must read the jump index, then the real address from the jump table - and extra layer of indirection will result in more flexible data down the road, I hope. Other changes include: * Added string concat operator .. * Added TOY_STRING_MAX_LENGTH * Strings can't be created or concatenated longer than the max length * The parser will display a warning if the bucket is too small for a string at max length, but it will continue * Added TOY_BUCKET_IDEAL to correspend with max string length * The bucket now allocates an address that is 4-byte aligned * Fixed missing entries in the parser rule table * Corrected some failing TOY_BITNESS tests
59 lines
1.9 KiB
C
59 lines
1.9 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_value.h"
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#define TOY_STRING_MAX_LENGTH 1000
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//rope pattern
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typedef struct Toy_String { //32 | 64 BITNESS
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enum Toy_StringType {
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TOY_STRING_NODE,
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TOY_STRING_LEAF,
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TOY_STRING_NAME,
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} type; //4 | 4
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unsigned int length; //4 | 4
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unsigned int refCount; //4 | 4
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unsigned int cachedHash; //4 | 4
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union {
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struct {
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struct Toy_String* left; //4 | 8
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struct Toy_String* right; //4 | 8
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} node; //8 | 16
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struct {
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int _dummy; //4 | 4
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char data[]; //- | -
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} leaf; //4 | 4
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struct {
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Toy_ValueType type; //4 | 4
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char data[]; //- | -
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} name; //4 | 4
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} as; //8 | 16
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} Toy_String; //24 | 32
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TOY_API Toy_String* Toy_createString(Toy_Bucket** bucketHandle, const char* cstring);
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TOY_API Toy_String* Toy_createStringLength(Toy_Bucket** bucketHandle, const char* cstring, int length);
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TOY_API Toy_String* Toy_createNameString(Toy_Bucket** bucketHandle, const char* cname); //for variable names
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TOY_API Toy_String* Toy_copyString(Toy_Bucket** bucketHandle, Toy_String* str);
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TOY_API Toy_String* Toy_deepCopyString(Toy_Bucket** bucketHandle, Toy_String* str);
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TOY_API Toy_String* Toy_concatStrings(Toy_Bucket** bucketHandle, Toy_String* left, Toy_String* right);
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TOY_API void Toy_freeString(Toy_String* str);
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TOY_API int Toy_getStringLength(Toy_String* str);
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TOY_API int Toy_getStringRefCount(Toy_String* str);
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TOY_API char* Toy_getStringRawBuffer(Toy_String* str); //allocates the buffer on the heap, needs to be freed
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TOY_API int Toy_compareStrings(Toy_String* left, Toy_String* right); //return value mimics strcmp()
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