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Added simple assignment, read more

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I was coding earlier this week, but my brain was so foggy I ended up not
knowing what I was doing. After a few days break, I've cleaned up the
mess, which took hours.

Changes:
* Variables can be assigned
* Added new value types as placeholders
* Added 'compare' and 'assign' to the AST
* Added duplicate opcode
* Added functions to copy and free values
* Max name length is 255 chars
* Compound assigns are squeezed into one word

To be completed:

* Tests for this commit's changes
* Compound assignments
* Variable access
This commit is contained in:
Kayne Ruse
2024-10-25 22:48:24 +11:00
parent 5b17c5e1e9
commit 3148a56ce0
17 changed files with 653 additions and 182 deletions
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22
source/toy_ast.c
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@@ -63,6 +63,17 @@ void Toy_private_emitAstBinary(Toy_Bucket** bucketHandle, Toy_Ast** astHandle, T
(*astHandle) = tmp;
}
void Toy_private_emitAstCompare(Toy_Bucket** bucketHandle, Toy_Ast** astHandle, Toy_AstFlag flag, Toy_Ast* right) {
Toy_Ast* tmp = (Toy_Ast*)Toy_partitionBucket(bucketHandle, sizeof(Toy_Ast));
tmp->type = TOY_AST_COMPARE;
tmp->compare.flag = flag;
tmp->compare.left = *astHandle; //left-recursive
tmp->compare.right = right;
(*astHandle) = tmp;
}
void Toy_private_emitAstGroup(Toy_Bucket** bucketHandle, Toy_Ast** astHandle) {
Toy_Ast* tmp = (Toy_Ast*)Toy_partitionBucket(bucketHandle, sizeof(Toy_Ast));
@@ -91,6 +102,17 @@ void Toy_private_emitAstVariableDeclaration(Toy_Bucket** bucketHandle, Toy_Ast**
(*astHandle) = tmp;
}
void Toy_private_emitAstVariableAssignment(Toy_Bucket** bucketHandle, Toy_Ast** astHandle, Toy_String* name, Toy_AstFlag flag, Toy_Ast* expr) {
Toy_Ast* tmp = (Toy_Ast*)Toy_partitionBucket(bucketHandle, sizeof(Toy_Ast));
tmp->type = TOY_AST_VAR_ASSIGN;
tmp->varAssign.flag = flag;
tmp->varAssign.name = name;
tmp->varAssign.expr = expr;
(*astHandle) = tmp;
}
void Toy_private_emitAstPass(Toy_Bucket** bucketHandle, Toy_Ast** astHandle) {
Toy_Ast* tmp = (Toy_Ast*)Toy_partitionBucket(bucketHandle, sizeof(Toy_Ast));