misc/subcoding
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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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42
state.go
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@@ -44,24 +44,24 @@ func NewState(byteCodes [][]byte) (*State, error) {
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() {
state.setHandlers()
state.call(0)
state.running = true
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) {
state.err = err
state.running = false
@@ -81,14 +81,14 @@ func (state *State) setHandlers() {
}
}
func (state *State) ProcessInstruction() {
fnc := state.Function()
func (state *State) processInstruction() {
fnc := state.function()
instr := fnc[state.instructionIndex]
state.instructionIndex += 1
instr.opHandler(state, instr)
}
func (state *State) ReadUnsigned(op *Operand) uint64 {
func (state *State) readUnsigned(op *Operand) uint64 {
switch op.Type {
case Literal:
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))
return 0
}
return state.StackFrame().FunctionMemory[op.Value]
return state.stackFrame().FunctionMemory[op.Value]
case GlobalMemoryIndex:
if op.Value >= globalMemoryEntries {
@@ -113,11 +113,11 @@ func (state *State) ReadUnsigned(op *Operand) uint64 {
}
}
func (state *State) ReadSigned(op *Operand) int64 {
return int64(state.ReadUnsigned(op))
func (state *State) readSigned(op *Operand) int64 {
return int64(state.readUnsigned(op))
}
func (state *State) WriteUnsigned(op *Operand, value uint64) {
func (state *State) writeUnsigned(op *Operand, value uint64) {
switch op.Type {
case Literal:
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))
return
}
state.StackFrame().FunctionMemory[op.Value] = value
state.stackFrame().FunctionMemory[op.Value] = value
case GlobalMemoryIndex:
if op.Value >= globalMemoryEntries {
@@ -141,8 +141,8 @@ func (state *State) WriteUnsigned(op *Operand, value uint64) {
}
}
func (state *State) WriteSigned(op *Operand, value int64) {
state.WriteUnsigned(op, uint64(value))
func (state *State) writeSigned(op *Operand, value int64) {
state.writeUnsigned(op, uint64(value))
}
func (state *State) call(functionOffset int64) {
@@ -161,8 +161,8 @@ func (state *State) call(functionOffset int64) {
}
func (state *State) ret() {
state.functionIndex = state.StackFrame().PreviousFunctionIndex
state.instructionIndex = state.StackFrame().PreviousInstructionIndex
state.functionIndex = state.stackFrame().PreviousFunctionIndex
state.instructionIndex = state.stackFrame().PreviousInstructionIndex
state.stack = state.stack[:len(state.stack)-1]
if len(state.stack) == 0 {
state.running = false