aboutsummaryrefslogtreecommitdiff
path: root/src/primitives/core.d
diff options
context:
space:
mode:
Diffstat (limited to 'src/primitives/core.d')
-rw-r--r--src/primitives/core.d101
1 files changed, 101 insertions, 0 deletions
diff --git a/src/primitives/core.d b/src/primitives/core.d
new file mode 100644
index 0000000..5b3d43d
--- /dev/null
+++ b/src/primitives/core.d
@@ -0,0 +1,101 @@
+module src.primitives.core;
+
+import std.stdio;
+
+import src.stack;
+import src.definition;
+
+Token[string] variables;
+
+void definition_start() {
+ src.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));
+}