diff options
Diffstat (limited to 'src/primitives/core.d')
| -rw-r--r-- | src/primitives/core.d | 101 | 
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)); +}  | 
