62 lines
4.4 KiB
Rust
62 lines
4.4 KiB
Rust
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#[test]
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fn vtable_array_push_get_len_pop_clear() {
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use crate::backend::vm::VM;
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use crate::mir::{MirModule, MirFunction, FunctionSignature, MirInstruction, EffectMask, BasicBlockId, ConstValue, MirType};
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std::env::set_var("NYASH_ABI_VTABLE", "1");
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// Case 1: push("x"); get(0)
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let sig = FunctionSignature { name: "main".into(), params: vec![], return_type: MirType::String, effects: EffectMask::PURE };
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let mut f = MirFunction::new(sig, BasicBlockId::new(0));
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let bb = f.entry_block;
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let arr = f.next_value_id();
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f.get_block_mut(bb).unwrap().add_instruction(MirInstruction::NewBox { dst: arr, box_type: "ArrayBox".into(), args: vec![] });
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let sval = f.next_value_id();
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f.get_block_mut(bb).unwrap().add_instruction(MirInstruction::Const { dst: sval, value: ConstValue::String("x".into()) });
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f.get_block_mut(bb).unwrap().add_instruction(MirInstruction::BoxCall { dst: None, box_val: arr, method: "push".into(), args: vec![sval], method_id: None, effects: EffectMask::PURE });
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let idx0 = f.next_value_id();
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f.get_block_mut(bb).unwrap().add_instruction(MirInstruction::Const { dst: idx0, value: ConstValue::Integer(0) });
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let got = f.next_value_id();
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f.get_block_mut(bb).unwrap().add_instruction(MirInstruction::BoxCall { dst: Some(got), box_val: arr, method: "get".into(), args: vec![idx0], method_id: None, effects: EffectMask::PURE });
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f.get_block_mut(bb).unwrap().add_instruction(MirInstruction::Return { value: Some(got) });
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let mut m = MirModule::new("arr_push_get".into()); m.add_function(f);
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let mut vm = VM::new();
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let out = vm.execute_module(&m).expect("vm exec");
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assert_eq!(out.to_string_box().value, "x");
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// Case 2: push("y"); pop() -> "y"
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let sig2 = FunctionSignature { name: "main".into(), params: vec![], return_type: MirType::String, effects: EffectMask::PURE };
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let mut f2 = MirFunction::new(sig2, BasicBlockId::new(0));
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let bb2 = f2.entry_block;
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let a2 = f2.next_value_id();
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f2.get_block_mut(bb2).unwrap().add_instruction(MirInstruction::NewBox { dst: a2, box_type: "ArrayBox".into(), args: vec![] });
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let y = f2.next_value_id();
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f2.get_block_mut(bb2).unwrap().add_instruction(MirInstruction::Const { dst: y, value: ConstValue::String("y".into()) });
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f2.get_block_mut(bb2).unwrap().add_instruction(MirInstruction::BoxCall { dst: None, box_val: a2, method: "push".into(), args: vec![y], method_id: None, effects: EffectMask::PURE });
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let popped = f2.next_value_id();
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f2.get_block_mut(bb2).unwrap().add_instruction(MirInstruction::BoxCall { dst: Some(popped), box_val: a2, method: "pop".into(), args: vec![], method_id: None, effects: EffectMask::PURE });
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f2.get_block_mut(bb2).unwrap().add_instruction(MirInstruction::Return { value: Some(popped) });
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let mut m2 = MirModule::new("arr_pop".into()); m2.add_function(f2);
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let mut vm2 = VM::new();
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let out2 = vm2.execute_module(&m2).expect("vm exec");
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assert_eq!(out2.to_string_box().value, "y");
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// Case 3: push("z"); clear(); len() -> 0
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let sig3 = FunctionSignature { name: "main".into(), params: vec![], return_type: MirType::Integer, effects: EffectMask::PURE };
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let mut f3 = MirFunction::new(sig3, BasicBlockId::new(0));
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let bb3 = f3.entry_block;
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let a3 = f3.next_value_id();
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f3.get_block_mut(bb3).unwrap().add_instruction(MirInstruction::NewBox { dst: a3, box_type: "ArrayBox".into(), args: vec![] });
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let z = f3.next_value_id();
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f3.get_block_mut(bb3).unwrap().add_instruction(MirInstruction::Const { dst: z, value: ConstValue::String("z".into()) });
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f3.get_block_mut(bb3).unwrap().add_instruction(MirInstruction::BoxCall { dst: None, box_val: a3, method: "push".into(), args: vec![z], method_id: None, effects: EffectMask::PURE });
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f3.get_block_mut(bb3).unwrap().add_instruction(MirInstruction::BoxCall { dst: None, box_val: a3, method: "clear".into(), args: vec![], method_id: None, effects: EffectMask::PURE });
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let ln = f3.next_value_id();
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f3.get_block_mut(bb3).unwrap().add_instruction(MirInstruction::BoxCall { dst: Some(ln), box_val: a3, method: "len".into(), args: vec![], method_id: None, effects: EffectMask::PURE });
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f3.get_block_mut(bb3).unwrap().add_instruction(MirInstruction::Return { value: Some(ln) });
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let mut m3 = MirModule::new("arr_clear_len".into()); m3.add_function(f3);
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let mut vm3 = VM::new();
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let out3 = vm3.execute_module(&m3).expect("vm exec");
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assert_eq!(out3.to_string_box().value, "0");
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}
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