UnflavoredMeson/monkey
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Add tons of builtin helpers and array operations.
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This commit is contained in:
Chuck Smith
2024-03-24 12:11:46 -04:00
parent c9d96236dd
commit 99cea83f57
23 changed files with 413 additions and 49 deletions
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29
vm/vm.go
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@@ -527,8 +527,29 @@ func (vm *VM) executeBinaryOperation(op code.Opcode) error {
switch {
// {"a": 1} + {"b": 2}
case op == code.OpAdd && left.Type() == object.HASH_OBJ && right.Type() == object.HASH_OBJ:
leftVal := left.(*object.Hash).Pairs
rightVal := right.(*object.Hash).Pairs
pairs := make(map[object.HashKey]object.HashPair)
for k, v := range leftVal {
pairs[k] = v
}
for k, v := range rightVal {
pairs[k] = v
}
return vm.push(&object.Hash{Pairs: pairs})
// [1] + [2]
case op == code.OpAdd && left.Type() == object.ARRAY_OBJ && right.Type() == object.ARRAY_OBJ:
leftVal := left.(*object.Array).Elements
rightVal := right.(*object.Array).Elements
elements := make([]object.Object, len(leftVal)+len(rightVal))
elements = append(leftVal, rightVal...)
return vm.push(&object.Array{Elements: elements})
// [1] * 3
case left.Type() == object.ARRAY_OBJ && right.Type() == object.INTEGER_OBJ:
case op == code.OpMul && left.Type() == object.ARRAY_OBJ && right.Type() == object.INTEGER_OBJ:
leftVal := left.(*object.Array).Elements
rightVal := int(right.(*object.Integer).Value)
elements := leftVal
@@ -537,7 +558,7 @@ func (vm *VM) executeBinaryOperation(op code.Opcode) error {
}
return vm.push(&object.Array{Elements: elements})
// 3 * [1]
case left.Type() == object.INTEGER_OBJ && right.Type() == object.ARRAY_OBJ:
case op == code.OpMul && left.Type() == object.INTEGER_OBJ && right.Type() == object.ARRAY_OBJ:
leftVal := int(left.(*object.Integer).Value)
rightVal := right.(*object.Array).Elements
elements := rightVal
@@ -547,12 +568,12 @@ func (vm *VM) executeBinaryOperation(op code.Opcode) error {
return vm.push(&object.Array{Elements: elements})
// " " * 4
case left.Type() == object.STRING_OBJ && right.Type() == object.INTEGER_OBJ:
case op == code.OpMul && left.Type() == object.STRING_OBJ && right.Type() == object.INTEGER_OBJ:
leftVal := left.(*object.String).Value
rightVal := right.(*object.Integer).Value
return vm.push(&object.String{Value: strings.Repeat(leftVal, int(rightVal))})
// 4 * " "
case left.Type() == object.INTEGER_OBJ && right.Type() == object.STRING_OBJ:
case op == code.OpMul && left.Type() == object.INTEGER_OBJ && right.Type() == object.STRING_OBJ:
leftVal := left.(*object.Integer).Value
rightVal := right.(*object.String).Value
return vm.push(&object.String{Value: strings.Repeat(rightVal, int(leftVal))})