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more readable
This commit is contained in:
Irmen de Jong
parent
c25d07259a
commit
890b1c2d52
@ -10,151 +10,29 @@ import prog8.vm.VmDataType
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internal class BuiltinFuncGen(private val codeGen: CodeGen, private val exprGen: ExpressionGen) {
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fun translate(call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
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val code = VmCodeChunk()
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when(call.name) {
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"syscall" -> {
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val vExpr = call.args.single() as PtNumber
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code += VmCodeInstruction(Opcode.SYSCALL, value=vExpr.number.toInt())
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}
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"syscall1" -> {
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val callNr = (call.args[0] as PtNumber).number.toInt()
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code += exprGen.translateExpression(call.args[1], 0)
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code += VmCodeInstruction(Opcode.SYSCALL, value=callNr)
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}
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"syscall2" -> {
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code += VmCodeInstruction(Opcode.PUSH, VmDataType.WORD, reg1 = 1)
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while(codeGen.vmRegisters.peekNext()<2) {
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codeGen.vmRegisters.nextFree()
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}
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val callNr = (call.args[0] as PtNumber).number.toInt()
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code += exprGen.translateExpression(call.args[1], 0)
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code += exprGen.translateExpression(call.args[2], 1)
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code += VmCodeInstruction(Opcode.SYSCALL, value=callNr)
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code += VmCodeInstruction(Opcode.POP, VmDataType.WORD, reg1 = 1)
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}
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"syscall3" -> {
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code += VmCodeInstruction(Opcode.PUSH, VmDataType.WORD, reg1 = 1)
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code += VmCodeInstruction(Opcode.PUSH, VmDataType.WORD, reg1 = 2)
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while(codeGen.vmRegisters.peekNext()<3) {
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codeGen.vmRegisters.nextFree()
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}
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val callNr = (call.args[0] as PtNumber).number.toInt()
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code += exprGen.translateExpression(call.args[1], 0)
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code += exprGen.translateExpression(call.args[2], 1)
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code += exprGen.translateExpression(call.args[3], 2)
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code += VmCodeInstruction(Opcode.SYSCALL, value=callNr)
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code += VmCodeInstruction(Opcode.POP, VmDataType.WORD, reg1 = 2)
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code += VmCodeInstruction(Opcode.POP, VmDataType.WORD, reg1 = 1)
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}
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"msb" -> {
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code += exprGen.translateExpression(call.args.single(), resultRegister)
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code += VmCodeInstruction(Opcode.SWAP, VmDataType.BYTE, reg1 = resultRegister)
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// note: if a word result is needed, the upper byte is cleared by the typecast that follows. No need to do it here.
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}
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"lsb" -> {
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code += exprGen.translateExpression(call.args.single(), resultRegister)
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// note: if a word result is needed, the upper byte is cleared by the typecast that follows. No need to do it here.
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}
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"memory" -> {
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val name = (call.args[0] as PtString).value
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val size = (call.args[1] as PtNumber).number.toUInt()
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val align = (call.args[2] as PtNumber).number.toUInt()
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val existing = codeGen.allocations.getMemorySlab(name)
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val address = if(existing==null)
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codeGen.allocations.allocateMemorySlab(name, size, align)
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else if(existing.second!=size || existing.third!=align) {
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codeGen.errors.err("memory slab '$name' already exists with a different size or alignment", call.position)
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return VmCodeChunk()
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}
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else
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existing.first
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code += VmCodeInstruction(Opcode.LOAD, VmDataType.WORD, reg1=resultRegister, value=address.toInt())
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}
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"rnd" -> {
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code += VmCodeInstruction(Opcode.SYSCALL, value= Syscall.RND.ordinal)
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if(resultRegister!=0)
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code += VmCodeInstruction(Opcode.LOADR, VmDataType.BYTE, reg1=resultRegister, reg2=0)
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}
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"peek" -> {
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// should just be a memory read
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val addressReg = codeGen.vmRegisters.nextFree()
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code += exprGen.translateExpression(call.args.single(), addressReg)
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code += VmCodeInstruction(Opcode.LOADI, VmDataType.BYTE, reg1 = resultRegister, reg2=addressReg)
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}
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"peekw" -> {
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val addressReg = codeGen.vmRegisters.nextFree()
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code += exprGen.translateExpression(call.args.single(), addressReg)
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code += VmCodeInstruction(Opcode.LOADI, VmDataType.WORD, reg1 = resultRegister, reg2=addressReg)
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}
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"poke" -> {
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// should just be a memory write
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val addressReg = codeGen.vmRegisters.nextFree()
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val valueReg = codeGen.vmRegisters.nextFree()
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code += exprGen.translateExpression(call.args[0], addressReg)
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code += exprGen.translateExpression(call.args[1], valueReg)
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code += VmCodeInstruction(Opcode.STOREI, VmDataType.BYTE, reg1 = addressReg, reg2=valueReg)
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}
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"pokew" -> {
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val addressReg = codeGen.vmRegisters.nextFree()
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val valueReg = codeGen.vmRegisters.nextFree()
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code += exprGen.translateExpression(call.args[0], addressReg)
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code += exprGen.translateExpression(call.args[1], valueReg)
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code += VmCodeInstruction(Opcode.STOREI, VmDataType.WORD, reg1 = addressReg, reg2=valueReg)
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}
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"mkword" -> {
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val msbReg = codeGen.vmRegisters.nextFree()
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val lsbReg = codeGen.vmRegisters.nextFree()
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code += exprGen.translateExpression(call.args[0], msbReg)
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code += exprGen.translateExpression(call.args[1], lsbReg)
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code += VmCodeInstruction(Opcode.CONCAT, VmDataType.BYTE, reg1=resultRegister, reg2=msbReg, reg3=lsbReg)
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}
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"sin8u" -> {
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code += exprGen.translateExpression(call.args[0], 0)
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code += VmCodeInstruction(Opcode.SYSCALL, value=Syscall.SIN8U.ordinal)
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if(resultRegister!=0)
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code += VmCodeInstruction(Opcode.LOADR, VmDataType.BYTE, reg1=resultRegister, reg2=0)
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}
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"cos8u" -> {
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code += exprGen.translateExpression(call.args[0], 0)
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code += VmCodeInstruction(Opcode.SYSCALL, value=Syscall.COS8U.ordinal)
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if(resultRegister!=0)
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code += VmCodeInstruction(Opcode.LOADR, VmDataType.BYTE, reg1=resultRegister, reg2=0)
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}
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"sort" -> {
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val arrayName = call.args[0] as PtIdentifier
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val array = codeGen.symbolTable.flat.getValue(arrayName.targetName) as StStaticVariable
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val sortSyscall =
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when(array.dt) {
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DataType.ARRAY_UB -> Syscall.SORT_UBYTE
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DataType.ARRAY_B -> Syscall.SORT_BYTE
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DataType.ARRAY_UW -> Syscall.SORT_UWORD
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DataType.ARRAY_W -> Syscall.SORT_WORD
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DataType.FLOAT -> TODO("float sort")
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DataType.STR -> Syscall.SORT_UBYTE
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else -> throw IllegalArgumentException("weird type to sort")
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}
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code += exprGen.translateExpression(call.args[0], 0)
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code += VmCodeInstruction(Opcode.LOAD, VmDataType.BYTE, reg1=1, value=array.length)
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code += VmCodeInstruction(Opcode.SYSCALL, value=sortSyscall.ordinal)
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}
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"reverse" -> {
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val arrayName = call.args[0] as PtIdentifier
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val array = codeGen.symbolTable.flat.getValue(arrayName.targetName) as StStaticVariable
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val sortSyscall =
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when(array.dt) {
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DataType.ARRAY_UB, DataType.ARRAY_B, DataType.STR -> Syscall.REVERSE_BYTES
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DataType.ARRAY_UW, DataType.ARRAY_W -> Syscall.REVERSE_WORDS
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DataType.FLOAT -> TODO("reverse floats")
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else -> throw IllegalArgumentException("weird type to reverse")
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}
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code += exprGen.translateExpression(call.args[0], 0)
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code += VmCodeInstruction(Opcode.LOAD, VmDataType.BYTE, reg1=1, value=array.length)
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code += VmCodeInstruction(Opcode.SYSCALL, value=sortSyscall.ordinal)
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}
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"rol" -> RolRor2(Opcode.ROXL, call, resultRegister, code)
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"ror" -> RolRor2(Opcode.ROXR, call, resultRegister, code)
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"rol2" -> RolRor2(Opcode.ROL, call, resultRegister, code)
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"ror2" -> RolRor2(Opcode.ROR, call, resultRegister, code)
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return when(call.name) {
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"syscall" -> funcSyscall(call)
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"syscall1" -> funcSyscall1(call)
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"syscall2" -> funcSyscall2(call)
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"syscall3" -> funcSyscall3(call)
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"msb" -> funcMsb(call, resultRegister)
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"lsb" -> funcLsb(call, resultRegister)
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"memory" -> funcMemory(call, resultRegister)
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"rnd" -> funcRnd(call, resultRegister)
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"peek" -> funcPeek(call, resultRegister)
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"peekw" -> funcPeekW(call, resultRegister)
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"poke" -> funcPoke(call, resultRegister)
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"pokew" -> funcPokeW(call, resultRegister)
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"pokemon" -> VmCodeChunk()
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"mkword" -> funcMkword(call, resultRegister)
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"sin8u" -> funcSin8u(call, resultRegister)
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"cos8u" -> funcCos8u(call, resultRegister)
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"sort" -> funcSort(call)
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"reverse" -> funcReverse(call)
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"rol" -> funcRolRor2(Opcode.ROXL, call, resultRegister)
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"ror" -> funcRolRor2(Opcode.ROXR, call, resultRegister)
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"rol2" -> funcRolRor2(Opcode.ROL, call, resultRegister)
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"ror2" -> funcRolRor2(Opcode.ROR, call, resultRegister)
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else -> {
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TODO("builtinfunc ${call.name}")
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// code += VmCodeInstruction(Opcode.NOP))
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@ -177,12 +55,202 @@ internal class BuiltinFuncGen(private val codeGen: CodeGen, private val exprGen:
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// code += VmCodeInstruction(Opcode.NOP))
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}
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}
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}
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private fun funcReverse(call: PtBuiltinFunctionCall): VmCodeChunk {
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val arrayName = call.args[0] as PtIdentifier
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val array = codeGen.symbolTable.flat.getValue(arrayName.targetName) as StStaticVariable
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val sortSyscall =
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when(array.dt) {
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DataType.ARRAY_UB, DataType.ARRAY_B, DataType.STR -> Syscall.REVERSE_BYTES
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DataType.ARRAY_UW, DataType.ARRAY_W -> Syscall.REVERSE_WORDS
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DataType.FLOAT -> TODO("reverse floats")
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else -> throw IllegalArgumentException("weird type to reverse")
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}
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val code = VmCodeChunk()
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code += exprGen.translateExpression(call.args[0], 0)
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code += VmCodeInstruction(Opcode.LOAD, VmDataType.BYTE, reg1=1, value=array.length)
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code += VmCodeInstruction(Opcode.SYSCALL, value=sortSyscall.ordinal)
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return code
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}
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private fun RolRor2(opcode: Opcode, call: PtBuiltinFunctionCall, resultRegister: Int, code: VmCodeChunk) {
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private fun funcSort(call: PtBuiltinFunctionCall): VmCodeChunk {
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val arrayName = call.args[0] as PtIdentifier
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val array = codeGen.symbolTable.flat.getValue(arrayName.targetName) as StStaticVariable
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val sortSyscall =
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when(array.dt) {
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DataType.ARRAY_UB -> Syscall.SORT_UBYTE
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DataType.ARRAY_B -> Syscall.SORT_BYTE
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DataType.ARRAY_UW -> Syscall.SORT_UWORD
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DataType.ARRAY_W -> Syscall.SORT_WORD
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DataType.FLOAT -> TODO("float sort")
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DataType.STR -> Syscall.SORT_UBYTE
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else -> throw IllegalArgumentException("weird type to sort")
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}
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val code = VmCodeChunk()
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code += exprGen.translateExpression(call.args[0], 0)
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code += VmCodeInstruction(Opcode.LOAD, VmDataType.BYTE, reg1=1, value=array.length)
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code += VmCodeInstruction(Opcode.SYSCALL, value=sortSyscall.ordinal)
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return code
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}
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private fun funcCos8u(call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
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val code = VmCodeChunk()
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code += exprGen.translateExpression(call.args[0], 0)
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code += VmCodeInstruction(Opcode.SYSCALL, value=Syscall.COS8U.ordinal)
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if(resultRegister!=0)
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code += VmCodeInstruction(Opcode.LOADR, VmDataType.BYTE, reg1=resultRegister, reg2=0)
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return code
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}
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private fun funcSin8u(call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
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val code = VmCodeChunk()
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code += exprGen.translateExpression(call.args[0], 0)
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code += VmCodeInstruction(Opcode.SYSCALL, value=Syscall.SIN8U.ordinal)
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if(resultRegister!=0)
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code += VmCodeInstruction(Opcode.LOADR, VmDataType.BYTE, reg1=resultRegister, reg2=0)
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return code
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}
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private fun funcMkword(call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
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val msbReg = codeGen.vmRegisters.nextFree()
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val lsbReg = codeGen.vmRegisters.nextFree()
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val code = VmCodeChunk()
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code += exprGen.translateExpression(call.args[0], msbReg)
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code += exprGen.translateExpression(call.args[1], lsbReg)
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code += VmCodeInstruction(Opcode.CONCAT, VmDataType.BYTE, reg1=resultRegister, reg2=msbReg, reg3=lsbReg)
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return code
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}
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private fun funcPokeW(call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
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val addressReg = codeGen.vmRegisters.nextFree()
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val valueReg = codeGen.vmRegisters.nextFree()
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val code = VmCodeChunk()
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code += exprGen.translateExpression(call.args[0], addressReg)
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code += exprGen.translateExpression(call.args[1], valueReg)
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code += VmCodeInstruction(Opcode.STOREI, VmDataType.WORD, reg1 = addressReg, reg2=valueReg)
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return code
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}
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private fun funcPoke(call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
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// should just be a memory write
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val addressReg = codeGen.vmRegisters.nextFree()
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val valueReg = codeGen.vmRegisters.nextFree()
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val code = VmCodeChunk()
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code += exprGen.translateExpression(call.args[0], addressReg)
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code += exprGen.translateExpression(call.args[1], valueReg)
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code += VmCodeInstruction(Opcode.STOREI, VmDataType.BYTE, reg1 = addressReg, reg2=valueReg)
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return code
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}
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private fun funcPeekW(call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
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val addressReg = codeGen.vmRegisters.nextFree()
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val code = VmCodeChunk()
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code += exprGen.translateExpression(call.args.single(), addressReg)
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code += VmCodeInstruction(Opcode.LOADI, VmDataType.WORD, reg1 = resultRegister, reg2=addressReg)
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return code
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}
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private fun funcPeek(call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
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// should just be a memory read
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val code = VmCodeChunk()
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val addressReg = codeGen.vmRegisters.nextFree()
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code += exprGen.translateExpression(call.args.single(), addressReg)
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code += VmCodeInstruction(Opcode.LOADI, VmDataType.BYTE, reg1 = resultRegister, reg2=addressReg)
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return code
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}
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private fun funcRnd(call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
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val code = VmCodeChunk()
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code += VmCodeInstruction(Opcode.SYSCALL, value= Syscall.RND.ordinal)
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if(resultRegister!=0)
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code += VmCodeInstruction(Opcode.LOADR, VmDataType.BYTE, reg1=resultRegister, reg2=0)
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return code
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}
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private fun funcMemory(call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
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val name = (call.args[0] as PtString).value
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val size = (call.args[1] as PtNumber).number.toUInt()
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val align = (call.args[2] as PtNumber).number.toUInt()
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val existing = codeGen.allocations.getMemorySlab(name)
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val address = if(existing==null)
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codeGen.allocations.allocateMemorySlab(name, size, align)
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else if(existing.second!=size || existing.third!=align) {
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codeGen.errors.err("memory slab '$name' already exists with a different size or alignment", call.position)
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return VmCodeChunk()
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}
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else
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existing.first
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val code = VmCodeChunk()
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code += VmCodeInstruction(Opcode.LOAD, VmDataType.WORD, reg1=resultRegister, value=address.toInt())
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return code
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}
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private fun funcLsb(call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
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val code = VmCodeChunk()
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code += exprGen.translateExpression(call.args.single(), resultRegister)
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// note: if a word result is needed, the upper byte is cleared by the typecast that follows. No need to do it here.
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return code
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}
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private fun funcMsb(call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
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val code = VmCodeChunk()
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code += exprGen.translateExpression(call.args.single(), resultRegister)
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code += VmCodeInstruction(Opcode.SWAP, VmDataType.BYTE, reg1 = resultRegister)
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// note: if a word result is needed, the upper byte is cleared by the typecast that follows. No need to do it here.
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return code
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}
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private fun funcSyscall(call: PtBuiltinFunctionCall): VmCodeChunk {
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val code = VmCodeChunk()
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val vExpr = call.args.single() as PtNumber
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code += VmCodeInstruction(Opcode.SYSCALL, value=vExpr.number.toInt())
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return code
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}
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private fun funcSyscall1(call: PtBuiltinFunctionCall): VmCodeChunk {
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val code = VmCodeChunk()
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val callNr = (call.args[0] as PtNumber).number.toInt()
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code += exprGen.translateExpression(call.args[1], 0)
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code += VmCodeInstruction(Opcode.SYSCALL, value=callNr)
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return code
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}
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private fun funcSyscall2(call: PtBuiltinFunctionCall): VmCodeChunk {
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val code = VmCodeChunk()
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code += VmCodeInstruction(Opcode.PUSH, VmDataType.WORD, reg1 = 1)
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while(codeGen.vmRegisters.peekNext()<2) {
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codeGen.vmRegisters.nextFree()
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}
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val callNr = (call.args[0] as PtNumber).number.toInt()
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code += exprGen.translateExpression(call.args[1], 0)
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code += exprGen.translateExpression(call.args[2], 1)
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code += VmCodeInstruction(Opcode.SYSCALL, value=callNr)
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code += VmCodeInstruction(Opcode.POP, VmDataType.WORD, reg1 = 1)
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return code
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}
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private fun funcSyscall3(call: PtBuiltinFunctionCall): VmCodeChunk {
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val code = VmCodeChunk()
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code += VmCodeInstruction(Opcode.PUSH, VmDataType.WORD, reg1 = 1)
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code += VmCodeInstruction(Opcode.PUSH, VmDataType.WORD, reg1 = 2)
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while(codeGen.vmRegisters.peekNext()<3) {
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codeGen.vmRegisters.nextFree()
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}
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val callNr = (call.args[0] as PtNumber).number.toInt()
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code += exprGen.translateExpression(call.args[1], 0)
|
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code += exprGen.translateExpression(call.args[2], 1)
|
||||
code += exprGen.translateExpression(call.args[3], 2)
|
||||
code += VmCodeInstruction(Opcode.SYSCALL, value=callNr)
|
||||
code += VmCodeInstruction(Opcode.POP, VmDataType.WORD, reg1 = 2)
|
||||
code += VmCodeInstruction(Opcode.POP, VmDataType.WORD, reg1 = 1)
|
||||
return code
|
||||
}
|
||||
|
||||
private fun funcRolRor2(opcode: Opcode, call: PtBuiltinFunctionCall, resultRegister: Int): VmCodeChunk {
|
||||
// bit rotate left without carry, in-place
|
||||
val vmDt = codeGen.vmType(call.args[0].type)
|
||||
val code = VmCodeChunk()
|
||||
code += exprGen.translateExpression(call.args[0], resultRegister)
|
||||
code += VmCodeInstruction(opcode, vmDt, reg1=resultRegister)
|
||||
val assignment = PtAssignment(call.position)
|
||||
@ -191,6 +259,7 @@ internal class BuiltinFuncGen(private val codeGen: CodeGen, private val exprGen:
|
||||
assignment.children.add(target)
|
||||
assignment.children.add(PtIdentifier(listOf(":vmreg-$resultRegister"), listOf(":vmreg-$resultRegister"), call.args[0].type, call.position))
|
||||
code += codeGen.translateNode(assignment)
|
||||
return code
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -3,6 +3,7 @@ TODO
|
||||
|
||||
For next release
|
||||
^^^^^^^^^^^^^^^^
|
||||
- vm: add support for all builtin functions
|
||||
- pipe operator: allow non-unary function calls in the pipe that specify the other argument(s) in the calls.
|
||||
- createAssemblyAndAssemble(): make it possible to actually get rid of the VarDecl nodes by fixing the rest of the code mentioned there.
|
||||
- allow "xxx" * constexpr (where constexpr is not a number literal), now gives expression error not same type
|
||||
|
||||
@ -5,16 +5,15 @@
|
||||
; NOTE: meant to test to virtual machine output target (use -target vitual)
|
||||
|
||||
main {
|
||||
%option align_word
|
||||
%option force_output
|
||||
|
||||
sub start() {
|
||||
|
||||
pokemon(1,0)
|
||||
|
||||
; a "pixelshader":
|
||||
void syscall1(8, 0) ; enable lo res creen
|
||||
ubyte shifter
|
||||
|
||||
shifter >>= 1
|
||||
; pokemon(1,0)
|
||||
|
||||
repeat {
|
||||
uword xx
|
||||
|
||||
Loading…
Reference in New Issue
Block a user