From c6d2b259a4f253403929f6f1104395a6a71b1be6 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Fri, 14 Apr 2017 23:21:51 +0200
Subject: Convert structure to _dub_ build system

---
 source/primitives/core.d | 101 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 source/primitives/core.d

(limited to 'source/primitives/core.d')

diff --git a/source/primitives/core.d b/source/primitives/core.d
new file mode 100644
index 0000000..45bbeac
--- /dev/null
+++ b/source/primitives/core.d
@@ -0,0 +1,101 @@
+module primitives.core;
+
+import std.stdio;
+
+import base.stack;
+import definition = base.definition;
+
+Token[string] variables;
+
+void definition_start() {
+	definition.start;
+}
+
+void binary_op_variable_bind() {
+	string name     = stack.pop.get!string;
+	Token  value    = stack.pop;
+	variables[name] = value;
+}
+
+void unary_op_variable_resolve() {
+	string name = stack.pop.get!string;
+
+	if ( name in variables ) {
+		stack.push(variables[name]);
+	}
+}
+
+void binary_op_add() {
+	int b = stack.pop.get!int;
+	int a = stack.pop.get!int;
+
+	stack.push(a + b);
+}
+
+void binary_op_multiply() {
+	int b = stack.pop.get!int;
+	int a = stack.pop.get!int;
+
+	stack.push(a * b);
+}
+
+void binary_op_divide() {
+	int b = stack.pop.get!int;
+	int a = stack.pop.get!int;
+
+	if ( b == 0 ) {
+		throw new Exception("division by 0 undefined");
+	} else {
+		stack.push(a / b);
+	}
+}
+
+void binary_op_modulo() {
+	int b = stack.pop.get!int;
+	int a = stack.pop.get!int;
+
+	if ( b == 0 ) {
+		throw new Exception("modulo 0 undefined");
+	} else {
+		stack.push(a % b);
+	}
+}
+
+void unary_op_io_print() {
+	writeln(stack.top);
+}
+
+void unary_op_stack_pop() {
+	stack.pop;
+}
+
+void unary_op_stack_dup() {
+	stack.push(stack.top);
+}
+
+void binary_op_stack_swp() {
+	auto b = stack.pop;
+	auto a = stack.pop;
+
+	stack.push(b);
+	stack.push(a);
+
+}
+
+void binary_cond_lt() {
+	int b = stack.pop.get!int;
+	int a = stack.pop.get!int;
+
+	stack.push(a < b);
+}
+
+void binary_cond_eq() {
+	auto b = stack.pop;
+	auto a = stack.pop;
+
+	stack.push(a == b);
+}
+
+void integral_value_bool(bool value) {
+	stack.push(Token(value));
+}
-- 
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