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Small work towards operators. + workes now

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This commit is contained in:
Nathan Braswell
2018-03-08 23:25:48 -05:00
parent 19e97113f1
commit 55a448a3b5
1 changed files with 42 additions and 12 deletions
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54
stdlib/bytecode_generator.krak
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@@ -432,18 +432,48 @@ obj bytecode_generator (Object) {
return emit_imm(-2)
}
fun generate_function_call(node: *ast_node, lvalue: bool): int {
var stack_offset = 0
// reverse order
node->function_call.parameters.reverse().for_each(fun(child: *ast_node) {
// push param onto stack
var param_size = type_size(get_ast_type(child))
emit_add(0, 0, emit_imm(-param_size))
stack_offset += param_size
emit_str(0, 0, generate(child), size_to_operand_size(param_size))
})
var return_reg = emit_call(generate_function(node->function_call.func))
emit_add(0, 0, emit_imm(stack_offset))
return return_reg
var func = node->function_call.func
if (is_function(func) && func->function.body_statement == null<ast_node>()) {
var name = func->function.name
var params = node->function_call.parameters.map(fun(n: *ast_node): int return generate(n);)
if (name == "+") {
if (params.size == 1)
error("positivate not supported")
else
return emit_add(params[0], params[1])
} else if (name == "-") {
error("subtract/negate not supported")
} else if (name == "!") {
error("not not supported")
} else if (name == "--" || name == "++" || name == "--p" || name == "++p") {
error("increment / decrement not supported")
} else if (name == "[]" || name == "." || name == "->" || (name == "*" && params.size == 1) || (name == "&" && params.size == 1)) {
error("access operators are not supported")
} else if (name == "==" || name == "<=" || name == ">=" || name == "!=" || name == "<" || name == ">") {
error("comparator operators are not supported")
} else if (name == "|" || (name == "&" && params.size == 2) || name == "^" || name == "~") {
error("bitwise operators are not supported")
} else if (name == ">>" || name == "<<") {
error("shift operators are not supported")
} else if (name == "/" || name == "%" || (name == "*" && params.size == 2)) {
error("mult div mod operators are not supported")
} else {
error("unknown operator " + name)
}
} else {
var stack_offset = 0
// reverse order
node->function_call.parameters.reverse().for_each(fun(child: *ast_node) {
// push param onto stack
var param_size = type_size(get_ast_type(child))
emit_add(0, 0, emit_imm(-param_size))
stack_offset += param_size
emit_str(0, 0, generate(child), size_to_operand_size(param_size))
})
var return_reg = emit_call(generate_function(node->function_call.func))
emit_add(0, 0, emit_imm(stack_offset))
return return_reg
}
}
fun generate_compiler_intrinsic(node: *ast_node): int {