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Make private

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This commit is contained in:
Ian Gulliver
2021-11-16 15:13:30 -10:00
parent c52d6f5f9f
commit f39a856361
2 changed files with 58 additions and 58 deletions
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74
ophandler.go
View File

@@ -34,7 +34,7 @@ func (state *State) NoOp(instr *Instruction) {
} }
func (state *State) Call(instr *Instruction) { func (state *State) Call(instr *Instruction) {
in := state.ReadSigned(&instr.Operand1) in := state.readSigned(&instr.Operand1)
state.call(in) state.call(in)
} }
@@ -43,96 +43,96 @@ func (state *State) Return(instr *Instruction) {
} }
func (state *State) Move(instr *Instruction) { func (state *State) Move(instr *Instruction) {
in := state.ReadUnsigned(&instr.Operand2) in := state.readUnsigned(&instr.Operand2)
state.WriteUnsigned(&instr.Operand1, in) state.writeUnsigned(&instr.Operand1, in)
} }
func (state *State) Add(instr *Instruction) { func (state *State) Add(instr *Instruction) {
in1 := state.ReadUnsigned(&instr.Operand1) in1 := state.readUnsigned(&instr.Operand1)
in2 := state.ReadUnsigned(&instr.Operand2) in2 := state.readUnsigned(&instr.Operand2)
state.WriteUnsigned(&instr.Operand1, in1+in2) state.writeUnsigned(&instr.Operand1, in1+in2)
} }
func (state *State) Subtract(instr *Instruction) { func (state *State) Subtract(instr *Instruction) {
in1 := state.ReadUnsigned(&instr.Operand1) in1 := state.readUnsigned(&instr.Operand1)
in2 := state.ReadUnsigned(&instr.Operand2) in2 := state.readUnsigned(&instr.Operand2)
state.WriteUnsigned(&instr.Operand1, in1-in2) state.writeUnsigned(&instr.Operand1, in1-in2)
} }
func (state *State) Multiply(instr *Instruction) { func (state *State) Multiply(instr *Instruction) {
in1 := state.ReadUnsigned(&instr.Operand1) in1 := state.readUnsigned(&instr.Operand1)
in2 := state.ReadUnsigned(&instr.Operand2) in2 := state.readUnsigned(&instr.Operand2)
state.WriteUnsigned(&instr.Operand1, in1*in2) state.writeUnsigned(&instr.Operand1, in1*in2)
} }
func (state *State) DivideUnsigned(instr *Instruction) { func (state *State) DivideUnsigned(instr *Instruction) {
in1 := state.ReadUnsigned(&instr.Operand1) in1 := state.readUnsigned(&instr.Operand1)
in2 := state.ReadUnsigned(&instr.Operand2) in2 := state.readUnsigned(&instr.Operand2)
state.WriteUnsigned(&instr.Operand1, in1/in2) state.writeUnsigned(&instr.Operand1, in1/in2)
} }
func (state *State) DivideSigned(instr *Instruction) { func (state *State) DivideSigned(instr *Instruction) {
in1 := state.ReadSigned(&instr.Operand1) in1 := state.readSigned(&instr.Operand1)
in2 := state.ReadSigned(&instr.Operand2) in2 := state.readSigned(&instr.Operand2)
state.WriteSigned(&instr.Operand1, in1/in2) state.writeSigned(&instr.Operand1, in1/in2)
} }
func (state *State) IsEqual(instr *Instruction) { func (state *State) IsEqual(instr *Instruction) {
in1 := state.ReadUnsigned(&instr.Operand1) in1 := state.readUnsigned(&instr.Operand1)
in2 := state.ReadUnsigned(&instr.Operand2) in2 := state.readUnsigned(&instr.Operand2)
state.comparisonResult = (in1 == in2) state.comparisonResult = (in1 == in2)
} }
func (state *State) IsLessThanUnsigned(instr *Instruction) { func (state *State) IsLessThanUnsigned(instr *Instruction) {
in1 := state.ReadUnsigned(&instr.Operand1) in1 := state.readUnsigned(&instr.Operand1)
in2 := state.ReadUnsigned(&instr.Operand2) in2 := state.readUnsigned(&instr.Operand2)
state.comparisonResult = (in1 < in2) state.comparisonResult = (in1 < in2)
} }
func (state *State) IsLessThanSigned(instr *Instruction) { func (state *State) IsLessThanSigned(instr *Instruction) {
in1 := state.ReadSigned(&instr.Operand1) in1 := state.readSigned(&instr.Operand1)
in2 := state.ReadSigned(&instr.Operand2) in2 := state.readSigned(&instr.Operand2)
state.comparisonResult = (in1 < in2) state.comparisonResult = (in1 < in2)
} }
func (state *State) IsGreaterThanUnsigned(instr *Instruction) { func (state *State) IsGreaterThanUnsigned(instr *Instruction) {
in1 := state.ReadUnsigned(&instr.Operand1) in1 := state.readUnsigned(&instr.Operand1)
in2 := state.ReadUnsigned(&instr.Operand2) in2 := state.readUnsigned(&instr.Operand2)
state.comparisonResult = (in1 > in2) state.comparisonResult = (in1 > in2)
} }
func (state *State) IsGreaterThanSigned(instr *Instruction) { func (state *State) IsGreaterThanSigned(instr *Instruction) {
in1 := state.ReadSigned(&instr.Operand1) in1 := state.readSigned(&instr.Operand1)
in2 := state.ReadSigned(&instr.Operand2) in2 := state.readSigned(&instr.Operand2)
state.comparisonResult = (in1 > in2) state.comparisonResult = (in1 > in2)
} }
func (state *State) IsLessThanOrEqualUnsigned(instr *Instruction) { func (state *State) IsLessThanOrEqualUnsigned(instr *Instruction) {
in1 := state.ReadUnsigned(&instr.Operand1) in1 := state.readUnsigned(&instr.Operand1)
in2 := state.ReadUnsigned(&instr.Operand2) in2 := state.readUnsigned(&instr.Operand2)
state.comparisonResult = (in1 <= in2) state.comparisonResult = (in1 <= in2)
} }
func (state *State) IsLessThanOrEqualSigned(instr *Instruction) { func (state *State) IsLessThanOrEqualSigned(instr *Instruction) {
in1 := state.ReadSigned(&instr.Operand1) in1 := state.readSigned(&instr.Operand1)
in2 := state.ReadSigned(&instr.Operand2) in2 := state.readSigned(&instr.Operand2)
state.comparisonResult = (in1 <= in2) state.comparisonResult = (in1 <= in2)
} }
func (state *State) IsGreaterThanOrEqualUnsigned(instr *Instruction) { func (state *State) IsGreaterThanOrEqualUnsigned(instr *Instruction) {
in1 := state.ReadUnsigned(&instr.Operand1) in1 := state.readUnsigned(&instr.Operand1)
in2 := state.ReadUnsigned(&instr.Operand2) in2 := state.readUnsigned(&instr.Operand2)
state.comparisonResult = (in1 >= in2) state.comparisonResult = (in1 >= in2)
} }
func (state *State) IsGreaterThanOrEqualSigned(instr *Instruction) { func (state *State) IsGreaterThanOrEqualSigned(instr *Instruction) {
in1 := state.ReadSigned(&instr.Operand1) in1 := state.readSigned(&instr.Operand1)
in2 := state.ReadSigned(&instr.Operand2) in2 := state.readSigned(&instr.Operand2)
state.comparisonResult = (in1 >= in2) state.comparisonResult = (in1 >= in2)
} }
func (state *State) Jump(instr *Instruction) { func (state *State) Jump(instr *Instruction) {
in := state.ReadSigned(&instr.Operand1) in := state.readSigned(&instr.Operand1)
state.instructionIndex += in - 1 state.instructionIndex += in - 1
} }

42
state.go
View File

@@ -44,24 +44,24 @@ func NewState(byteCodes [][]byte) (*State, error) {
return state, nil return state, nil
} }
func (state *State) StackFrame() *StackFrame {
return state.stack[len(state.stack)-1]
}
func (state *State) Function() []*Instruction {
return state.functions[state.functionIndex]
}
func (state *State) Execute() { func (state *State) Execute() {
state.setHandlers() state.setHandlers()
state.call(0) state.call(0)
state.running = true state.running = true
for state.running { for state.running {
state.ProcessInstruction() state.processInstruction()
} }
} }
func (state *State) stackFrame() *StackFrame {
return state.stack[len(state.stack)-1]
}
func (state *State) function() []*Instruction {
return state.functions[state.functionIndex]
}
func (state *State) setError(err error) { func (state *State) setError(err error) {
state.err = err state.err = err
state.running = false state.running = false
@@ -81,14 +81,14 @@ func (state *State) setHandlers() {
} }
} }
func (state *State) ProcessInstruction() { func (state *State) processInstruction() {
fnc := state.Function() fnc := state.function()
instr := fnc[state.instructionIndex] instr := fnc[state.instructionIndex]
state.instructionIndex += 1 state.instructionIndex += 1
instr.opHandler(state, instr) instr.opHandler(state, instr)
} }
func (state *State) ReadUnsigned(op *Operand) uint64 { func (state *State) readUnsigned(op *Operand) uint64 {
switch op.Type { switch op.Type {
case Literal: case Literal:
return op.Value return op.Value
@@ -98,7 +98,7 @@ func (state *State) ReadUnsigned(op *Operand) uint64 {
state.setError(fmt.Errorf("Invalid function memory index: %016x", op.Value)) state.setError(fmt.Errorf("Invalid function memory index: %016x", op.Value))
return 0 return 0
} }
return state.StackFrame().FunctionMemory[op.Value] return state.stackFrame().FunctionMemory[op.Value]
case GlobalMemoryIndex: case GlobalMemoryIndex:
if op.Value >= globalMemoryEntries { if op.Value >= globalMemoryEntries {
@@ -113,11 +113,11 @@ func (state *State) ReadUnsigned(op *Operand) uint64 {
} }
} }
func (state *State) ReadSigned(op *Operand) int64 { func (state *State) readSigned(op *Operand) int64 {
return int64(state.ReadUnsigned(op)) return int64(state.readUnsigned(op))
} }
func (state *State) WriteUnsigned(op *Operand, value uint64) { func (state *State) writeUnsigned(op *Operand, value uint64) {
switch op.Type { switch op.Type {
case Literal: case Literal:
state.setError(fmt.Errorf("Write to literal operand")) state.setError(fmt.Errorf("Write to literal operand"))
@@ -127,7 +127,7 @@ func (state *State) WriteUnsigned(op *Operand, value uint64) {
state.setError(fmt.Errorf("Invalid function memory index: %016x", op.Value)) state.setError(fmt.Errorf("Invalid function memory index: %016x", op.Value))
return return
} }
state.StackFrame().FunctionMemory[op.Value] = value state.stackFrame().FunctionMemory[op.Value] = value
case GlobalMemoryIndex: case GlobalMemoryIndex:
if op.Value >= globalMemoryEntries { if op.Value >= globalMemoryEntries {
@@ -141,8 +141,8 @@ func (state *State) WriteUnsigned(op *Operand, value uint64) {
} }
} }
func (state *State) WriteSigned(op *Operand, value int64) { func (state *State) writeSigned(op *Operand, value int64) {
state.WriteUnsigned(op, uint64(value)) state.writeUnsigned(op, uint64(value))
} }
func (state *State) call(functionOffset int64) { func (state *State) call(functionOffset int64) {
@@ -161,8 +161,8 @@ func (state *State) call(functionOffset int64) {
} }
func (state *State) ret() { func (state *State) ret() {
state.functionIndex = state.StackFrame().PreviousFunctionIndex state.functionIndex = state.stackFrame().PreviousFunctionIndex
state.instructionIndex = state.StackFrame().PreviousInstructionIndex state.instructionIndex = state.stackFrame().PreviousInstructionIndex
state.stack = state.stack[:len(state.stack)-1] state.stack = state.stack[:len(state.stack)-1]
if len(state.stack) == 0 { if len(state.stack) == 0 {
state.running = false state.running = false