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WIP: Implementing arrays into the script, read more

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I had intended to solve the Advent of Code puzzles in Toy, but they
don't work without arrays. I wasn't able to enable arrays in time, so
I need to focus on doing things correctly.

The most immediate tasks are marked with 'URGENT', and a lot of tests
need writing.
This commit is contained in:
Kayne Ruse
2024-12-02 11:58:03 +11:00
parent 12c6ac938c
commit 62ca7a1fb7
16 changed files with 599 additions and 241 deletions
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42
source/toy_routine.c
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@@ -208,7 +208,7 @@ static unsigned int writeInstructionBinary(Toy_Routine** rt, Toy_AstBinary ast)
}
//4-byte alignment
EMIT_BYTE(rt, code,TOY_OPCODE_PASS); //checked in compound assignments
EMIT_BYTE(rt, code,TOY_OPCODE_PASS); //checked in combined assignments
EMIT_BYTE(rt, code,0);
EMIT_BYTE(rt, code,0);
@@ -263,17 +263,41 @@ static unsigned int writeInstructionGroup(Toy_Routine** rt, Toy_AstGroup ast) {
}
static unsigned int writeInstructionCompound(Toy_Routine** rt, Toy_AstCompound ast) {
unsigned int result = writeRoutineCode(rt, ast.child);
if (ast.flag == TOY_AST_FLAG_COMPOUND_ARRAY) {
//signal how many values to read in as an array value
EMIT_BYTE(rt, code, TOY_OPCODE_READ);
EMIT_BYTE(rt, code, TOY_VALUE_ARRAY);
//4-byte alignment
EMIT_BYTE(rt, code,0);
EMIT_BYTE(rt, code,0);
//how many elements
EMIT_INT(rt, code, result);
return 1; //leaves only 1 value on the stack
}
else {
fprintf(stderr, TOY_CC_ERROR "ERROR: Invalid AST compound flag found\n" TOY_CC_RESET);
exit(-1);
return 0;
}
}
static unsigned int writeInstructionAggregate(Toy_Routine** rt, Toy_AstAggregate ast) {
unsigned int result = 0;
//left, then right
result += writeRoutineCode(rt, ast.left);
result += writeRoutineCode(rt, ast.right);
if (ast.flag == TOY_AST_FLAG_COMPOUND_COLLECTION) {
if (ast.flag == TOY_AST_FLAG_COLLECTION) {
//collections are handled above
return result;
}
else if (ast.flag == TOY_AST_FLAG_COMPOUND_INDEX) {
else if (ast.flag == TOY_AST_FLAG_INDEX) {
//value[index, length]
EMIT_BYTE(rt, code, TOY_OPCODE_INDEX);
EMIT_BYTE(rt, code, result);
@@ -285,7 +309,7 @@ static unsigned int writeInstructionCompound(Toy_Routine** rt, Toy_AstCompound a
return 1; //leaves only 1 value on the stack
}
else {
fprintf(stderr, TOY_CC_ERROR "ERROR: Invalid AST compound flag found\n" TOY_CC_RESET);
fprintf(stderr, TOY_CC_ERROR "ERROR: Invalid AST aggregate flag found\n" TOY_CC_RESET);
exit(-1);
return 0;
}
@@ -429,10 +453,12 @@ 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:
case TOY_AST_COMPOUND:
case TOY_AST_AGGREGATE:
case TOY_AST_ASSERT:
case TOY_AST_PRINT:
case TOY_AST_VAR_DECLARE:
@@ -594,7 +620,7 @@ static unsigned int writeRoutineCode(Toy_Routine** rt, Toy_Ast* ast) {
return 0;
}
//NOTE: 'result' is used to in 'writeInstructionCompound()'
//NOTE: 'result' is used to in 'writeInstructionAggregate()'
unsigned int result = 0;
//determine how to write each instruction based on the Ast
@@ -642,6 +668,10 @@ static unsigned int writeRoutineCode(Toy_Routine** rt, Toy_Ast* ast) {
result += writeInstructionCompound(rt, ast->compound);
break;
case TOY_AST_AGGREGATE:
result += writeInstructionAggregate(rt, ast->aggregate);
break;
case TOY_AST_ASSERT:
result += writeInstructionAssert(rt, ast->assert);
break;