99 lines
3.1 KiB
Go
99 lines
3.1 KiB
Go
package compiler_test
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import (
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"bytes"
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"testing"
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"time"
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"github.com/d5/tengo/assert"
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"github.com/d5/tengo/compiler"
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"github.com/d5/tengo/objects"
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)
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func TestBytecode(t *testing.T) {
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testBytecodeSerialization(t, &compiler.Bytecode{})
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testBytecodeSerialization(t, bytecode(
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concat(), objectsArray(
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objects.UndefinedValue,
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&objects.Time{Value: time.Now()},
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&objects.Array{
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Value: objectsArray(
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&objects.Int{Value: 12},
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&objects.String{Value: "foo"},
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objects.TrueValue,
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objects.FalseValue,
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&objects.Float{Value: 93.11},
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&objects.Char{Value: 'x'},
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objects.UndefinedValue,
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),
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},
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objects.FalseValue,
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&objects.Char{Value: 'y'},
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&objects.Float{Value: 93.11},
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compiledFunction(1, 0,
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compiler.MakeInstruction(compiler.OpConstant, 3),
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compiler.MakeInstruction(compiler.OpSetLocal, 0),
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compiler.MakeInstruction(compiler.OpGetGlobal, 0),
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compiler.MakeInstruction(compiler.OpGetFree, 0)),
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&objects.Float{Value: 39.2},
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&objects.Int{Value: 192},
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&objects.Map{
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Value: map[string]objects.Object{
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"a": &objects.Float{Value: -93.1},
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"b": objects.FalseValue,
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"c": objects.UndefinedValue,
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},
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},
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&objects.String{Value: "bar"},
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objects.UndefinedValue)))
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testBytecodeSerialization(t, bytecode(
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concat(
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compiler.MakeInstruction(compiler.OpConstant, 0),
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compiler.MakeInstruction(compiler.OpSetGlobal, 0),
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compiler.MakeInstruction(compiler.OpConstant, 6),
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compiler.MakeInstruction(compiler.OpPop)),
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objectsArray(
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intObject(55),
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intObject(66),
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intObject(77),
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intObject(88),
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compiledFunction(1, 0,
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compiler.MakeInstruction(compiler.OpConstant, 3),
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compiler.MakeInstruction(compiler.OpSetLocal, 0),
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compiler.MakeInstruction(compiler.OpGetGlobal, 0),
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compiler.MakeInstruction(compiler.OpGetFree, 0),
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compiler.MakeInstruction(compiler.OpAdd),
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compiler.MakeInstruction(compiler.OpGetFree, 1),
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compiler.MakeInstruction(compiler.OpAdd),
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compiler.MakeInstruction(compiler.OpGetLocal, 0),
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compiler.MakeInstruction(compiler.OpAdd),
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compiler.MakeInstruction(compiler.OpReturnValue)),
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compiledFunction(1, 0,
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compiler.MakeInstruction(compiler.OpConstant, 2),
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compiler.MakeInstruction(compiler.OpSetLocal, 0),
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compiler.MakeInstruction(compiler.OpGetFree, 0),
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compiler.MakeInstruction(compiler.OpGetLocal, 0),
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compiler.MakeInstruction(compiler.OpClosure, 4, 2),
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compiler.MakeInstruction(compiler.OpReturnValue)),
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compiledFunction(1, 0,
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compiler.MakeInstruction(compiler.OpConstant, 1),
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compiler.MakeInstruction(compiler.OpSetLocal, 0),
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compiler.MakeInstruction(compiler.OpGetLocal, 0),
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compiler.MakeInstruction(compiler.OpClosure, 5, 1),
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compiler.MakeInstruction(compiler.OpReturnValue)))))
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}
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func testBytecodeSerialization(t *testing.T, b *compiler.Bytecode) {
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var buf bytes.Buffer
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err := b.Encode(&buf)
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assert.NoError(t, err)
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r := &compiler.Bytecode{}
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err = r.Decode(bytes.NewReader(buf.Bytes()))
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assert.NoError(t, err)
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assert.Equal(t, b.Instructions, r.Instructions)
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assert.Equal(t, b.Constants, r.Constants)
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}
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