krgamestudios/Toy
1
0
Fork 0
mirror of https://github.com/krgamestudios/Toy.git synced 2026-04-15 14:54:07 +10:00
Code Issues Packages Projects Releases Wiki Activity

Compound assignment for arrays is working, untested, read more

Browse Source 
I added reference values in 62ca7a1fb7,
but forgot to mention it. I'm now using references to assign to the
internals of an array, no matter how many levels deep it is.
This commit is contained in:
Kayne Ruse
2024-12-07 15:35:06 +11:00
parent 2324150fd5
commit 61a105db2d
7 changed files with 108 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
source/toy_routine.c
View File

@@ -453,8 +453,6 @@ static unsigned int writeInstructionVarDeclare(Toy_Routine** rt, Toy_AstVarDecla
static unsigned int writeInstructionAssign(Toy_Routine** rt, Toy_AstVarAssign ast) {
unsigned int result = 0;
//URGENT: check for LHS in index
//don't treat these as valid values
switch (ast.expr->type) {
case TOY_AST_BLOCK:
@@ -463,7 +461,7 @@ static unsigned int writeInstructionAssign(Toy_Routine** rt, Toy_AstVarAssign as
case TOY_AST_PRINT:
case TOY_AST_VAR_DECLARE:
//emit a compiler error, set the panic flag and skip out
fprintf(stderr, TOY_CC_ERROR "COMPILER ERROR: Invalid AST type found: Malformed assignment\n" TOY_CC_RESET);
fprintf(stderr, TOY_CC_ERROR "COMPILER ERROR: Invalid AST type found: Malformed assignment value\n" TOY_CC_RESET);
(*rt)->panic = true;
return 0;
@@ -471,7 +469,7 @@ static unsigned int writeInstructionAssign(Toy_Routine** rt, Toy_AstVarAssign as
break;
}
//target, based on type
//target is a name string
if (ast.target->type == TOY_AST_VALUE && TOY_VALUE_IS_STRING(ast.target->value.value) && TOY_VALUE_AS_STRING(ast.target->value.value)->type == TOY_STRING_NAME) {
//name string
Toy_String* target = TOY_VALUE_AS_STRING(ast.target->value.value);
@@ -484,9 +482,24 @@ static unsigned int writeInstructionAssign(Toy_Routine** rt, Toy_AstVarAssign as
emitString(rt, target);
}
//target is an indexing of some compound value
else if (ast.target->type == TOY_AST_AGGREGATE && ast.target->aggregate.flag == TOY_AST_FLAG_INDEX) {
writeRoutineCode(rt, ast.target->aggregate.left); //any deeper indexing will just work, using reference values
writeRoutineCode(rt, ast.target->aggregate.right); //key
writeRoutineCode(rt, ast.expr); //value
EMIT_BYTE(rt, code, TOY_OPCODE_ASSIGN_COMPOUND); //uses the top three values on the stack
EMIT_BYTE(rt, code,0);
EMIT_BYTE(rt, code,0);
EMIT_BYTE(rt, code,0);
return 0;
}
else {
//URGENT: assigning to an array member
fprintf(stderr, TOY_CC_ERROR "COMPILER ERROR: TODO at %s %d\n" TOY_CC_RESET, __FILE__, __LINE__);
//unknown target
fprintf(stderr, TOY_CC_ERROR "COMPILER ERROR: Invalid AST type found: Malformed assignment target\n" TOY_CC_RESET);
(*rt)->panic = true;
return 0;
}