mirror of
https://github.com/irmen/prog8.git
synced 2024-11-25 19:31:36 +00:00
fixes
This commit is contained in:
Irmen de Jong
parent
d5b12fb01d
commit
78d7849197
@ -15,11 +15,6 @@ import java.io.File
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internal class AstChecker(private val program: Program,
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private val compilerOptions: CompilationOptions) : IAstVisitor {
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private val checkResult: MutableList<AstException> = mutableListOf()
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private val heapIdSentinel: Int
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init {
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val stringSentinel = program.heap.allEntries().firstOrNull {it.value.str==""}
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heapIdSentinel = stringSentinel?.key ?: program.heap.addString(DataType.STR, "")
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}
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fun result(): List<AstException> {
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return checkResult
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@ -358,13 +353,13 @@ internal class AstChecker(private val program: Program,
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override fun visit(assignTarget: AssignTarget) {
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val memAddr = assignTarget.memoryAddress?.addressExpression?.constValue(program)?.number?.toInt()
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if(memAddr!=null) {
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if(memAddr<0 || memAddr>=65536)
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if (memAddr != null) {
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if (memAddr < 0 || memAddr >= 65536)
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checkResult.add(ExpressionError("address out of range", assignTarget.position))
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}
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val assignment = assignTarget.parent as Assignment
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if(assignTarget.identifier!=null) {
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val assignment = assignTarget.parent as IStatement
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if (assignTarget.identifier != null) {
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val targetName = assignTarget.identifier.nameInSource
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val targetSymbol = program.namespace.lookup(targetName, assignment)
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when (targetSymbol) {
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@ -377,7 +372,7 @@ internal class AstChecker(private val program: Program,
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return
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}
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else -> {
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if(targetSymbol.type == VarDeclType.CONST) {
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if (targetSymbol.type == VarDeclType.CONST) {
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checkResult.add(ExpressionError("cannot assign new value to a constant", assignment.position))
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return
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}
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@ -385,15 +380,17 @@ internal class AstChecker(private val program: Program,
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}
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}
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if(assignment.aug_op!=null)
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throw FatalAstException("augmented assignment should have been converted into normal assignment")
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if (assignment is Assignment) {
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val targetDatatype = assignTarget.inferType(program, assignment)
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if(targetDatatype!=null) {
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val constVal = assignment.value.constValue(program)
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if(constVal!=null) {
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checkValueTypeAndRange(targetDatatype, constVal)
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// TODO what about arrays etc:
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if (assignment.aug_op != null)
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throw FatalAstException("augmented assignment should have been converted into normal assignment")
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val targetDatatype = assignTarget.inferType(program, assignment)
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if (targetDatatype != null) {
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val constVal = assignment.value.constValue(program)
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if (constVal != null) {
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checkValueTypeAndRange(targetDatatype, constVal)
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// TODO what about arrays etc:
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// val targetVar =
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// if(target.identifier!=null)
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// program.namespace.lookup(target.identifier.nameInSource, assignment) as? VarDecl
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@ -403,19 +400,18 @@ internal class AstChecker(private val program: Program,
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// checkValueTypeAndRange(targetDatatype, targetVar?.struct,
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// arrayspec ?: ArrayIndex(NumericLiteralValue.optimalInteger(-1, assignment.position), assignment.position),
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// constVal, program.heap)
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} else {
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val sourceDatatype: DataType? = assignment.value.inferType(program)
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if(sourceDatatype==null) {
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if (assignment.value is FunctionCall) {
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val targetStmt = (assignment.value as FunctionCall).target.targetStatement(program.namespace)
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if(targetStmt!=null)
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checkResult.add(ExpressionError("function call doesn't return a suitable value to use in assignment", assignment.value.position))
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} else {
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val sourceDatatype: DataType? = assignment.value.inferType(program)
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if (sourceDatatype == null) {
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if (assignment.value is FunctionCall) {
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val targetStmt = (assignment.value as FunctionCall).target.targetStatement(program.namespace)
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if (targetStmt != null)
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checkResult.add(ExpressionError("function call doesn't return a suitable value to use in assignment", assignment.value.position))
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} else
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checkResult.add(ExpressionError("assignment value is invalid or has no proper datatype", assignment.value.position))
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} else {
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checkAssignmentCompatible(targetDatatype, assignTarget, sourceDatatype, assignment.value, assignment.position)
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}
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else
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checkResult.add(ExpressionError("assignment value is invalid or has no proper datatype", assignment.value.position))
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}
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else {
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checkAssignmentCompatible(targetDatatype, assignTarget, sourceDatatype, assignment.value, assignment.position)
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}
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}
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}
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@ -2,7 +2,6 @@ package prog8.ast.processing
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import prog8.ast.*
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import prog8.ast.base.*
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import prog8.ast.base.autoHeapValuePrefix
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import prog8.ast.expressions.*
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import prog8.ast.statements.*
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import prog8.functions.BuiltinFunctions
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@ -12,7 +11,8 @@ internal class AstIdentifiersChecker(private val namespace: INameScope) : IAstMo
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private val checkResult: MutableList<AstException> = mutableListOf()
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private var blocks = mutableMapOf<String, Block>()
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internal val anonymousVariablesFromHeap = mutableMapOf<String, Pair<ReferenceLiteralValue, VarDecl>>()
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internal val anonymousVariablesFromHeap = mutableMapOf<String, Pair<ReferenceLiteralValue, VarDecl>>() // TODO
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private val vardeclsToAdd = mutableMapOf<INameScope, MutableList<VarDecl>>()
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internal fun result(): List<AstException> {
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return checkResult
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@ -23,8 +23,14 @@ internal class AstIdentifiersChecker(private val namespace: INameScope) : IAstMo
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}
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override fun visit(module: Module) {
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vardeclsToAdd.clear()
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blocks.clear() // blocks may be redefined within a different module
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super.visit(module)
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// add any new vardecls to the various scopes
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for((where, decls) in vardeclsToAdd) {
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where.statements.addAll(0, decls)
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decls.forEach { it.linkParents(where as Node) }
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}
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}
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override fun visit(block: Block): IStatement {
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@ -208,20 +214,13 @@ internal class AstIdentifiersChecker(private val namespace: INameScope) : IAstMo
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}
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override fun visit(refLiteral: ReferenceLiteralValue): ReferenceLiteralValue {
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if(refLiteral.heapId!=null && refLiteral.parent !is VarDecl) {
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// a literal value that's not declared as a variable, which refers to something on the heap.
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// we need to introduce an auto-generated variable for this to be able to refer to the value!
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// (note: ususally, this has been taken care of already when the var was created)
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if(refLiteral.parent !is VarDecl) {
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// a referencetype literal value that's not declared as a variable
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// we need to introduce an auto-generated variable for this to be able to refer to the value
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val declaredType = if(refLiteral.isArray) ArrayElementTypes.getValue(refLiteral.type) else refLiteral.type
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val variable = VarDecl(VarDeclType.VAR,
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declaredType,
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ZeropageWish.NOT_IN_ZEROPAGE,
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null,
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"$autoHeapValuePrefix${refLiteral.heapId}",
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null,
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refLiteral,
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isArray = refLiteral.isArray, autogeneratedDontRemove = true, position = refLiteral.position)
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anonymousVariablesFromHeap[variable.name] = Pair(refLiteral, variable)
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val variable = VarDecl.createAuto(refLiteral)
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addVarDecl(refLiteral.definingScope(), variable)
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// TODO anonymousVariablesFromHeap[variable.name] = Pair(refLiteral, variable)
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}
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return super.visit(refLiteral)
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}
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@ -243,4 +242,12 @@ internal class AstIdentifiersChecker(private val namespace: INameScope) : IAstMo
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return super.visit(structDecl)
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}
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private fun addVarDecl(scope: INameScope, variable: VarDecl) {
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if(scope !in vardeclsToAdd)
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vardeclsToAdd[scope] = mutableListOf()
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val declList = vardeclsToAdd.getValue(scope)
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if(declList.all{it.name!=variable.name})
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declList.add(variable)
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}
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}
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@ -2,7 +2,6 @@ package prog8.ast.processing
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import prog8.ast.*
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import prog8.ast.base.*
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import prog8.ast.base.autoHeapValuePrefix
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import prog8.ast.expressions.*
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import prog8.ast.statements.*
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@ -24,7 +23,6 @@ internal class VarInitValueAndAddressOfCreator(private val namespace: INameScope
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override fun visit(module: Module) {
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vardeclsToAdd.clear()
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super.visit(module)
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// add any new vardecls to the various scopes
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for((where, decls) in vardeclsToAdd) {
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where.statements.addAll(0, decls)
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@ -96,17 +94,15 @@ internal class VarInitValueAndAddressOfCreator(private val namespace: INameScope
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}
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else if(strvalue!=null) {
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if(strvalue.isString) {
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// add a vardecl so that the autovar can be resolved in later lookups
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val variable = VarDecl.createAuto(strvalue)
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addVarDecl(strvalue.definingScope(), variable)
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// replace the argument with &autovar
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val autoVarName = "$autoHeapValuePrefix${strvalue.heapId}"
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val autoHeapvarRef = IdentifierReference(listOf(autoVarName), strvalue.position)
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val autoHeapvarRef = IdentifierReference(listOf(variable.name), strvalue.position)
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val pointerExpr = AddressOf(autoHeapvarRef, strvalue.position)
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pointerExpr.scopedname = parent.makeScopedName(autoVarName)
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pointerExpr.scopedname = parent.makeScopedName(variable.name)
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pointerExpr.linkParents(arglist[argparam.first.index].parent)
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arglist[argparam.first.index] = pointerExpr
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// add a vardecl so that the autovar can be resolved in later lookups
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val variable = VarDecl(VarDeclType.VAR, strvalue.type, ZeropageWish.NOT_IN_ZEROPAGE, null, autoVarName, null, strvalue,
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isArray = false, autogeneratedDontRemove = false, position = strvalue.position)
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addVarDecl(strvalue.definingScope(), variable)
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}
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}
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}
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@ -162,6 +162,14 @@ class VarDecl(val type: VarDeclType,
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override val expensiveToInline
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get() = value!=null && value !is NumericLiteralValue
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companion object {
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fun createAuto(refLv: ReferenceLiteralValue): VarDecl {
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val autoVarName = "$autoHeapValuePrefix${refLv.heapId}"
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return VarDecl(VarDeclType.VAR, refLv.type, ZeropageWish.NOT_IN_ZEROPAGE, null, autoVarName, null, refLv,
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isArray = false, autogeneratedDontRemove = true, position = refLv.position)
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}
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}
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val datatypeErrors = mutableListOf<SyntaxError>() // don't crash at init time, report them in the AstChecker
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val datatype =
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if (!isArray) declaredDatatype
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@ -116,7 +116,7 @@ class HeapValues {
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fun get(heapId: Int): HeapValue {
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return heap[heapId] ?:
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throw IllegalArgumentException("heapId not found in heap")
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throw IllegalArgumentException("heapId $heapId not found in heap")
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}
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fun allEntries() = heap.entries
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@ -746,7 +746,8 @@ internal class Compiler(private val program: Program) {
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val arg=args.single()
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when (arg.inferType(program)) {
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DataType.STR, DataType.STR_S -> createSyscall("${funcname}_str")
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else -> throw CompilerException("wrong datatype for len()")
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in ArrayDatatypes -> throw CompilerException("len() of an array type should have been const-folded")
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else -> throw CompilerException("wrong datatype for len() $arg")
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}
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}
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"any", "all" -> {
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@ -417,10 +417,10 @@ class IntermediateProgram(val name: String, var loadAddress: Int, val heap: Heap
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RuntimeValue(decl.datatype, heapId = litval.heapId)
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}
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in ArrayDatatypes -> {
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val litval = (decl.value as ReferenceLiteralValue)
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if(litval.heapId==null)
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val litval = (decl.value as? ReferenceLiteralValue)
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if(litval!=null && litval.heapId==null)
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throw CompilerException("array should already be in the heap")
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RuntimeValue(decl.datatype, heapId = litval.heapId)
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RuntimeValue(decl.datatype, heapId = litval?.heapId ?: -999)
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}
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DataType.STRUCT -> {
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// struct variables have been flattened already
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@ -7,6 +7,7 @@ import prog8.ast.expressions.IdentifierReference
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import prog8.ast.expressions.NumericLiteralValue
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import prog8.ast.expressions.ReferenceLiteralValue
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import prog8.ast.statements.VarDecl
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import prog8.compiler.CompilerException
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import kotlin.math.*
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@ -336,44 +337,40 @@ private fun builtinLen(args: List<IExpression>, position: Position, program: Pro
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// note: in some cases the length is > 255 and then we have to return a UWORD type instead of a UBYTE.
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if(args.size!=1)
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throw SyntaxError("len requires one argument", position)
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var argument = args[0].constValue(program)
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if(argument==null) {
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val directMemVar = ((args[0] as? DirectMemoryRead)?.addressExpression as? IdentifierReference)?.targetVarDecl(program.namespace)
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val arraySize = directMemVar?.arraysize?.size()
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if(arraySize != null)
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return NumericLiteralValue.optimalInteger(arraySize, position)
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if(args[0] !is IdentifierReference)
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throw SyntaxError("len argument should be an identifier, but is ${args[0]}", position)
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val target = (args[0] as IdentifierReference).targetStatement(program.namespace)
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val argValue = (target as? VarDecl)?.value
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argument = argValue?.constValue(program)
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?: throw NotConstArgumentException()
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val constArg = args[0].constValue(program)
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if(constArg!=null)
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throw SyntaxError("len of weird argument ${args[0]}", position)
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val directMemVar = ((args[0] as? DirectMemoryRead)?.addressExpression as? IdentifierReference)?.targetVarDecl(program.namespace)
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var arraySize = directMemVar?.arraysize?.size()
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if(arraySize != null)
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return NumericLiteralValue.optimalInteger(arraySize, position)
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if(args[0] !is IdentifierReference)
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throw SyntaxError("len argument should be an identifier, but is ${args[0]}", position)
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val target = (args[0] as IdentifierReference).targetStatement(program.namespace) as VarDecl
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return when(target.datatype) {
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DataType.ARRAY_UB, DataType.ARRAY_B, DataType.ARRAY_UW, DataType.ARRAY_W -> {
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arraySize = target.arraysize!!.size()!!
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if(arraySize>256)
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throw CompilerException("array length exceeds byte limit ${target.position}")
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NumericLiteralValue.optimalInteger(arraySize, args[0].position)
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}
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DataType.ARRAY_F -> {
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arraySize = target.arraysize!!.size()!!
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if(arraySize>256)
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throw CompilerException("array length exceeds byte limit ${target.position}")
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NumericLiteralValue.optimalInteger(arraySize, args[0].position)
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}
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in StringDatatypes -> {
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val refLv = target.value as ReferenceLiteralValue
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if(refLv.str!!.length>255)
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throw CompilerException("string length exceeds byte limit ${refLv.position}")
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NumericLiteralValue.optimalInteger(refLv.str.length, args[0].position)
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}
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in NumericDatatypes -> throw SyntaxError("len of weird argument ${args[0]}", position)
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else -> throw CompilerException("weird datatype")
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}
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TODO("collection functions over iterables (array, string) $argument")
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// return when(argument.type) {
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// DataType.ARRAY_UB, DataType.ARRAY_B, DataType.ARRAY_UW, DataType.ARRAY_W -> {
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// val arraySize = argument.arrayvalue?.size ?: program.heap.get(argument.heapId!!).arraysize
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// if(arraySize>256)
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// throw CompilerException("array length exceeds byte limit ${argument.position}")
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// LiteralValue.optimalInteger(arraySize, args[0].position)
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// }
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// DataType.ARRAY_F -> {
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// val arraySize = argument.arrayvalue?.size ?: program.heap.get(argument.heapId!!).arraysize
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// if(arraySize>256)
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// throw CompilerException("array length exceeds byte limit ${argument.position}")
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// LiteralValue.optimalInteger(arraySize, args[0].position)
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// }
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// in StringDatatypes -> {
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// val str = argument.strvalue!!
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// if(str.length>255)
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// throw CompilerException("string length exceeds byte limit ${argument.position}")
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// LiteralValue.optimalInteger(str.length, args[0].position)
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// }
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// in NumericDatatypes -> throw SyntaxError("len of weird argument ${args[0]}", position)
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// else -> throw CompilerException("weird datatype")
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// }
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}
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@ -618,20 +618,19 @@ class ConstantFolding(private val program: Program) : IAstModifyingVisitor {
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throw FatalAstException("missing array value")
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}
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val array = litval.array!!
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val typesInArray = array.mapNotNull { it.inferType(program) }.toSet()
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val typesInArray = litval.array.mapNotNull { it.inferType(program) }.toSet()
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val arrayDt =
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when {
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array.any { it is AddressOf } -> DataType.ARRAY_UW
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litval.array.any { it is AddressOf } -> DataType.ARRAY_UW
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DataType.FLOAT in typesInArray -> DataType.ARRAY_F
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DataType.WORD in typesInArray -> DataType.ARRAY_W
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else -> {
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val allElementsAreConstantOrAddressOf = array.fold(true) { c, expr-> c and (expr is NumericLiteralValue|| expr is AddressOf)}
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val allElementsAreConstantOrAddressOf = litval.array.fold(true) { c, expr-> c and (expr is NumericLiteralValue|| expr is AddressOf)}
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if(!allElementsAreConstantOrAddressOf) {
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addError(ExpressionError("array literal can only consist of constant primitive numerical values or memory pointers", litval.position))
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return litval
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} else {
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val integerArray = array.map { it.constValue(program)!!.number.toInt() }
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val integerArray = litval.array.map { it.constValue(program)!!.number.toInt() }
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val maxValue = integerArray.max()!!
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val minValue = integerArray.min()!!
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if (minValue >= 0) {
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@ -226,18 +226,18 @@ class Program (val name: String,
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if(valueStr[0] !='"' && ':' !in valueStr)
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throw VmExecutionException("missing value type character")
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val value = when(val type = DataType.valueOf(typeStr.toUpperCase())) {
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DataType.UBYTE -> RuntimeValue(DataType.UBYTE, valueStr.substring(3).toShort(16))
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DataType.BYTE -> RuntimeValue(DataType.BYTE, valueStr.substring(2).toShort(16))
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DataType.UWORD -> RuntimeValue(DataType.UWORD, valueStr.substring(3).toInt(16))
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DataType.WORD -> RuntimeValue(DataType.WORD, valueStr.substring(2).toInt(16))
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DataType.FLOAT -> RuntimeValue(DataType.FLOAT, valueStr.substring(2).toDouble())
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DataType.UBYTE -> RuntimeValue(DataType.UBYTE, valueStr.substring(3).substringBefore(' ').toShort(16))// TODO process ZP and struct info?
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DataType.BYTE -> RuntimeValue(DataType.BYTE, valueStr.substring(2).substringBefore(' ').toShort(16))// TODO process ZP and struct info?
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DataType.UWORD -> RuntimeValue(DataType.UWORD, valueStr.substring(3).substringBefore(' ').toInt(16))// TODO process ZP and struct info?
|
||||
DataType.WORD -> RuntimeValue(DataType.WORD, valueStr.substring(2).substringBefore(' ').toInt(16))// TODO process ZP and struct info?
|
||||
DataType.FLOAT -> RuntimeValue(DataType.FLOAT, valueStr.substring(2).substringBefore(' ').toDouble())// TODO process ZP and struct info?
|
||||
in StringDatatypes -> {
|
||||
if(valueStr.startsWith('"') && valueStr.endsWith('"'))
|
||||
throw VmExecutionException("encountered a var with a string value, but all string values should already have been moved into the heap")
|
||||
else if(!valueStr.startsWith("heap:"))
|
||||
throw VmExecutionException("invalid string value, should be a heap reference")
|
||||
else {
|
||||
val heapId = valueStr.substring(5).toInt()
|
||||
val heapId = valueStr.substring(5).substringBefore(' ').toInt() // TODO process ZP and struct info?
|
||||
RuntimeValue(type, heapId = heapId)
|
||||
}
|
||||
}
|
||||
@ -245,7 +245,7 @@ class Program (val name: String,
|
||||
if(!valueStr.startsWith("heap:"))
|
||||
throw VmExecutionException("invalid array value, should be a heap reference")
|
||||
else {
|
||||
val heapId = valueStr.substring(5).toInt()
|
||||
val heapId = valueStr.substring(5).substringBefore(' ').toInt() // TODO process ZP and struct info?
|
||||
RuntimeValue(type, heapId = heapId)
|
||||
}
|
||||
}
|
||||
|
||||
@ -215,7 +215,7 @@ Variable declarations
|
||||
^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
Variables should be declared with their exact type and size so the compiler can allocate storage
|
||||
for them. You must give them an initial value as well. That value can be a simple literal value,
|
||||
for them. You can give them an initial value as well. That value can be a simple literal value,
|
||||
or an expression. You can add a ``@zp`` zeropage-tag, to tell the compiler to prioritize it
|
||||
when selecting variables to be put into zeropage.
|
||||
The syntax is::
|
||||
|
||||
@ -3,41 +3,17 @@
|
||||
|
||||
~ main {
|
||||
|
||||
struct Color {
|
||||
uword red
|
||||
ubyte green
|
||||
ubyte blue
|
||||
}
|
||||
|
||||
str naam = "irmen"
|
||||
word[] array = [1,2,3,4]
|
||||
uword uw = $ab12
|
||||
Color rgb = [255,128,0]
|
||||
Color rgb2 = [111,222,33]
|
||||
|
||||
ubyte @zp zpvar=99
|
||||
|
||||
sub start() {
|
||||
|
||||
uword fake_address
|
||||
|
||||
fake_address = &naam
|
||||
c64scr.print_uwhex(1, fake_address)
|
||||
c64scr.print(", ")
|
||||
|
||||
fake_address = &array
|
||||
c64scr.print_uwhex(1, fake_address)
|
||||
c64scr.print(", ")
|
||||
|
||||
fake_address = &rgb
|
||||
c64scr.print_uwhex(1, fake_address)
|
||||
c64scr.print("\n")
|
||||
|
||||
; @todo only works once reference types are actually references:
|
||||
;str name2 = naam ; @todo name2 points to same str as naam
|
||||
;str name2 = fake_address ; @todo fake_address hopefully points to a str
|
||||
;Color colz = fake_address ; @todo fake_address hopefully points to a Color
|
||||
str naam = "irmen"
|
||||
|
||||
ubyte length = len(naam)
|
||||
c64scr.print(naam)
|
||||
c64scr.print("irmen")
|
||||
c64scr.print("irmen2")
|
||||
c64scr.print("irmen2")
|
||||
ubyte length2 = len("irmen") ; @todo same string as 'naam'
|
||||
ubyte length3 = len("zxfdsfsf") ; @todo new string
|
||||
return
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user