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Added 'Toy_String' to 'Toy_Value' structure, read more

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To help with storing strings within tables, I've replaced the unused
'_padding' member of 'Toy_String' with 'cachedHash', which is set to
zero on string allocation.

The hash of a string isn't generated and stored until it's actually
needed, as the rope pattern means not every string needs a hash -
hopefully this will save unnecessarily wasted time.

When a hash of a string is needed, the hashing function first checks to
see if that string already has one, and if so, returns it. Again, less
time wasted.

When generating a new string hash, the hashing function takes the
string's type into account, as node-based strings first need their
contents assembled into a simple char buffer.

Other changes include:

* Changed 'TOY_VALUE_TO_*' to 'TOY_VALUE_FROM_*'
* Changed 'TOY_VALUE_IS_EQUAL' to 'TOY_VALUES_ARE_EQUAL'
* Added a missing '#pragma once' to 'toy_print.h'
This commit is contained in:
Kayne Ruse
2024-10-07 17:20:08 +11:00
parent d62ee2a9a3
commit 14653a303f
25 changed files with 266 additions and 175 deletions
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16
source/toy_parser.c
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@@ -217,15 +217,15 @@ static ParsingTuple parsingRulesetTable[] = {
static Toy_AstFlag atomic(Toy_Bucket** bucketHandle, Toy_Parser* parser, Toy_Ast** rootHandle) {
switch(parser->previous.type) {
case TOY_TOKEN_NULL:
Toy_private_emitAstValue(bucketHandle, rootHandle, TOY_VALUE_TO_NULL());
Toy_private_emitAstValue(bucketHandle, rootHandle, TOY_VALUE_FROM_NULL());
return TOY_AST_FLAG_NONE;
case TOY_TOKEN_LITERAL_TRUE:
Toy_private_emitAstValue(bucketHandle, rootHandle, TOY_VALUE_TO_BOOLEAN(true));
Toy_private_emitAstValue(bucketHandle, rootHandle, TOY_VALUE_FROM_BOOLEAN(true));
return TOY_AST_FLAG_NONE;
case TOY_TOKEN_LITERAL_FALSE:
Toy_private_emitAstValue(bucketHandle, rootHandle, TOY_VALUE_TO_BOOLEAN(false));
Toy_private_emitAstValue(bucketHandle, rootHandle, TOY_VALUE_FROM_BOOLEAN(false));
return TOY_AST_FLAG_NONE;
case TOY_TOKEN_LITERAL_INTEGER: {
@@ -241,7 +241,7 @@ static Toy_AstFlag atomic(Toy_Bucket** bucketHandle, Toy_Parser* parser, Toy_Ast
int value = 0;
sscanf(buffer, "%d", &value);
Toy_private_emitAstValue(bucketHandle, rootHandle, TOY_VALUE_TO_INTEGER(value));
Toy_private_emitAstValue(bucketHandle, rootHandle, TOY_VALUE_FROM_INTEGER(value));
return TOY_AST_FLAG_NONE;
}
@@ -258,7 +258,7 @@ static Toy_AstFlag atomic(Toy_Bucket** bucketHandle, Toy_Parser* parser, Toy_Ast
float value = 0;
sscanf(buffer, "%f", &value);
Toy_private_emitAstValue(bucketHandle, rootHandle, TOY_VALUE_TO_FLOAT(value));
Toy_private_emitAstValue(bucketHandle, rootHandle, TOY_VALUE_FROM_FLOAT(value));
return TOY_AST_FLAG_NONE;
}
@@ -280,10 +280,10 @@ static Toy_AstFlag unary(Toy_Bucket** bucketHandle, Toy_Parser* parser, Toy_Ast*
//negative numbers
if ((*rootHandle)->type == TOY_AST_VALUE && TOY_VALUE_IS_INTEGER((*rootHandle)->value.value) && connectedDigit) {
(*rootHandle)->value.value = TOY_VALUE_TO_INTEGER( -TOY_VALUE_AS_INTEGER((*rootHandle)->value.value) );
(*rootHandle)->value.value = TOY_VALUE_FROM_INTEGER( -TOY_VALUE_AS_INTEGER((*rootHandle)->value.value) );
}
else if ((*rootHandle)->type == TOY_AST_VALUE && TOY_VALUE_IS_FLOAT((*rootHandle)->value.value) && connectedDigit) {
(*rootHandle)->value.value = TOY_VALUE_TO_FLOAT( -TOY_VALUE_AS_FLOAT((*rootHandle)->value.value) );
(*rootHandle)->value.value = TOY_VALUE_FROM_FLOAT( -TOY_VALUE_AS_FLOAT((*rootHandle)->value.value) );
}
else {
//actually emit the negation node
@@ -296,7 +296,7 @@ static Toy_AstFlag unary(Toy_Bucket** bucketHandle, Toy_Parser* parser, Toy_Ast*
//inverted booleans
if ((*rootHandle)->type == TOY_AST_VALUE && TOY_VALUE_IS_BOOLEAN((*rootHandle)->value.value)) {
(*rootHandle)->value.value = TOY_VALUE_TO_BOOLEAN( !TOY_VALUE_AS_BOOLEAN((*rootHandle)->value.value) );
(*rootHandle)->value.value = TOY_VALUE_FROM_BOOLEAN( !TOY_VALUE_AS_BOOLEAN((*rootHandle)->value.value) );
}
else {
//actually emit the negation node