mirror of
https://github.com/irmen/prog8.git
synced 2024-06-10 20:29:33 +00:00
545 lines
23 KiB
Kotlin
545 lines
23 KiB
Kotlin
package prog8.compiler.astprocessing
|
|
|
|
import com.github.michaelbull.result.Ok
|
|
import com.github.michaelbull.result.Result
|
|
import com.github.michaelbull.result.getOrElse
|
|
import com.github.michaelbull.result.mapError
|
|
import prog8.ast.Program
|
|
import prog8.ast.base.FatalAstException
|
|
import prog8.ast.expressions.*
|
|
import prog8.ast.statements.*
|
|
import prog8.code.ast.*
|
|
import prog8.code.core.*
|
|
import prog8.compiler.builtinFunctionReturnType
|
|
import java.io.File
|
|
import kotlin.io.path.Path
|
|
import kotlin.io.path.isRegularFile
|
|
|
|
|
|
/**
|
|
* Convert 'old' compiler-AST into the 'new' simplified AST with baked types.
|
|
*/
|
|
class IntermediateAstMaker(private val program: Program) {
|
|
fun transform(): PtProgram {
|
|
val ptProgram = PtProgram(
|
|
program.name,
|
|
program.memsizer,
|
|
program.encoding
|
|
)
|
|
|
|
// note: modules are not represented any longer in this Ast. All blocks have been moved into the top scope.
|
|
for (block in program.allBlocks)
|
|
ptProgram.add(transform(block))
|
|
|
|
return ptProgram
|
|
}
|
|
|
|
private fun transformStatement(statement: Statement): PtNode {
|
|
return when (statement) {
|
|
is AnonymousScope -> throw FatalAstException("AnonymousScopes should have been flattened")
|
|
is Assignment -> transform(statement)
|
|
is Block -> transform(statement)
|
|
is Break -> throw FatalAstException("break should have been replaced by Goto")
|
|
is BuiltinFunctionCallStatement -> transform(statement)
|
|
is BuiltinFunctionPlaceholder -> throw FatalAstException("BuiltinFunctionPlaceholder should not occur in Ast here")
|
|
is ConditionalBranch -> transform(statement)
|
|
is Directive -> transform(statement)
|
|
is ForLoop -> transform(statement)
|
|
is FunctionCallStatement -> transform(statement)
|
|
is IfElse -> transform(statement)
|
|
is InlineAssembly -> transform(statement)
|
|
is Jump -> transform(statement)
|
|
is Label -> transform(statement)
|
|
is PostIncrDecr -> transform(statement)
|
|
is RepeatLoop -> transform(statement)
|
|
is UnrollLoop -> transform(statement)
|
|
is Return -> transform(statement)
|
|
is Subroutine -> {
|
|
if(statement.isAsmSubroutine)
|
|
transformAsmSub(statement)
|
|
else
|
|
transformSub(statement)
|
|
}
|
|
is UntilLoop -> throw FatalAstException("until loops must have been converted to jumps")
|
|
is VarDecl -> transform(statement)
|
|
is When -> transform(statement)
|
|
is WhileLoop -> throw FatalAstException("while loops must have been converted to jumps")
|
|
}
|
|
}
|
|
|
|
private fun transformExpression(expr: Expression): PtExpression {
|
|
return when(expr) {
|
|
is AddressOf -> transform(expr)
|
|
is ArrayIndexedExpression -> transform(expr)
|
|
is ArrayLiteral -> transform(expr)
|
|
is BinaryExpression -> transform(expr)
|
|
is BuiltinFunctionCall -> transform(expr)
|
|
is CharLiteral -> throw FatalAstException("char literals should have been converted into bytes")
|
|
is ContainmentCheck -> transform(expr)
|
|
is DirectMemoryRead -> transform(expr)
|
|
is FunctionCallExpression -> transform(expr)
|
|
is IdentifierReference -> transform(expr)
|
|
is NumericLiteral -> transform(expr)
|
|
is PrefixExpression -> transform(expr)
|
|
is RangeExpression -> transform(expr)
|
|
is StringLiteral -> transform(expr)
|
|
is TypecastExpression -> transform(expr)
|
|
}
|
|
}
|
|
|
|
private fun transform(srcAssign: Assignment): PtNode {
|
|
if(srcAssign.isAugmentable) {
|
|
val srcExpr = srcAssign.value
|
|
val (operator: String, augmentedValue: Expression?) = when(srcExpr) {
|
|
is BinaryExpression -> {
|
|
if(srcExpr.left isSameAs srcAssign.target) {
|
|
val oper = if(srcExpr.operator in ComparisonOperators) srcExpr.operator else srcExpr.operator+'='
|
|
Pair(oper, srcExpr.right)
|
|
} else if(srcExpr.right isSameAs srcAssign.target) {
|
|
val oper = if(srcExpr.operator in ComparisonOperators) srcExpr.operator else srcExpr.operator+'='
|
|
Pair(oper, srcExpr.left)
|
|
} else {
|
|
// either left or right is same as target, other combinations are not supported here
|
|
Pair("", null)
|
|
}
|
|
}
|
|
is PrefixExpression -> {
|
|
require(srcExpr.expression isSameAs srcAssign.target)
|
|
Pair(srcExpr.operator, srcExpr.expression)
|
|
}
|
|
is TypecastExpression -> {
|
|
// At this time, there are no special optimized instructions to do an in-place type conversion.
|
|
// so we simply revert to a regular type converting assignment.
|
|
// Also, an in-place type cast is very uncommon so probably not worth optimizing anyway.
|
|
Pair("", null)
|
|
// the following is what *could* be used here if such instructions *were* available:
|
|
// if(srcExpr.expression isSameAs srcAssign.target)
|
|
// Pair("cast", srcExpr.expression)
|
|
// else {
|
|
// val subTypeCast = srcExpr.expression as? TypecastExpression
|
|
// val targetDt = srcAssign.target.inferType(program).getOrElse { DataType.UNDEFINED }
|
|
// if (subTypeCast!=null && srcExpr.type==targetDt && subTypeCast.expression isSameAs srcAssign.target) {
|
|
// Pair("cast", subTypeCast)
|
|
// } else
|
|
// Pair("", null)
|
|
// }
|
|
}
|
|
else -> Pair("", null)
|
|
}
|
|
if(augmentedValue!=null) {
|
|
val assign = PtAugmentedAssign(operator, srcAssign.position)
|
|
assign.add(transform(srcAssign.target))
|
|
assign.add(transformExpression(augmentedValue))
|
|
return assign
|
|
}
|
|
}
|
|
|
|
val assign = PtAssignment(srcAssign.position)
|
|
assign.add(transform(srcAssign.target))
|
|
assign.add(transformExpression(srcAssign.value))
|
|
return assign
|
|
}
|
|
|
|
private fun transform(srcTarget: AssignTarget): PtAssignTarget {
|
|
val target = PtAssignTarget(srcTarget.position)
|
|
if(srcTarget.identifier!=null)
|
|
target.add(transform(srcTarget.identifier!!))
|
|
else if(srcTarget.arrayindexed!=null)
|
|
target.add(transform(srcTarget.arrayindexed!!))
|
|
else if(srcTarget.memoryAddress!=null)
|
|
target.add(transform(srcTarget.memoryAddress!!))
|
|
else
|
|
throw FatalAstException("invalid AssignTarget")
|
|
return target
|
|
}
|
|
|
|
private fun transform(identifier: IdentifierReference): PtIdentifier {
|
|
val (target, type) = identifier.targetNameAndType(program)
|
|
return PtIdentifier(target, type, identifier.position)
|
|
}
|
|
|
|
private fun transform(srcBlock: Block): PtBlock {
|
|
var alignment = PtBlock.BlockAlignment.NONE
|
|
var forceOutput = false
|
|
var noSymbolPrefixing = false
|
|
val directives = srcBlock.statements.filterIsInstance<Directive>()
|
|
for (directive in directives.filter { it.directive == "%option" }) {
|
|
for (arg in directive.args) {
|
|
when (arg.name) {
|
|
"align_word" -> alignment = PtBlock.BlockAlignment.WORD
|
|
"align_page" -> alignment = PtBlock.BlockAlignment.PAGE
|
|
"no_symbol_prefixing" -> noSymbolPrefixing = true
|
|
"force_output" -> forceOutput=true
|
|
"merge", "splitarrays" -> { /* ignore this one */ }
|
|
else -> throw FatalAstException("weird directive option: ${arg.name}")
|
|
}
|
|
}
|
|
}
|
|
val (vardecls, statements) = srcBlock.statements.partition { it is VarDecl }
|
|
val src = srcBlock.definingModule.source
|
|
val block = PtBlock(srcBlock.name, srcBlock.address, srcBlock.isInLibrary, forceOutput, noSymbolPrefixing, alignment, src, srcBlock.position)
|
|
makeScopeVarsDecls(vardecls).forEach { block.add(it) }
|
|
for (stmt in statements)
|
|
block.add(transformStatement(stmt))
|
|
return block
|
|
}
|
|
|
|
private fun makeScopeVarsDecls(vardecls: Iterable<Statement>): Iterable<PtNamedNode> {
|
|
val decls = mutableListOf<PtNamedNode>()
|
|
vardecls.forEach {
|
|
decls.add(transformStatement(it as VarDecl) as PtNamedNode)
|
|
}
|
|
return decls
|
|
}
|
|
|
|
private fun transform(srcNode: BuiltinFunctionCallStatement): PtBuiltinFunctionCall {
|
|
val type = builtinFunctionReturnType(srcNode.name).getOr(DataType.UNDEFINED)
|
|
val noSideFx = BuiltinFunctions.getValue(srcNode.name).pure
|
|
val call = PtBuiltinFunctionCall(srcNode.name, true, noSideFx, type, srcNode.position)
|
|
for (arg in srcNode.args)
|
|
call.add(transformExpression(arg))
|
|
return call
|
|
}
|
|
|
|
private fun transform(srcBranch: ConditionalBranch): PtConditionalBranch {
|
|
val branch = PtConditionalBranch(srcBranch.condition, srcBranch.position)
|
|
val trueScope = PtNodeGroup()
|
|
val falseScope = PtNodeGroup()
|
|
for (stmt in srcBranch.truepart.statements)
|
|
trueScope.add(transformStatement(stmt))
|
|
for (stmt in srcBranch.elsepart.statements)
|
|
falseScope.add(transformStatement(stmt))
|
|
branch.add(trueScope)
|
|
branch.add(falseScope)
|
|
return branch
|
|
}
|
|
|
|
private fun transform(directive: Directive): PtNode {
|
|
return when(directive.directive) {
|
|
"%breakpoint" -> PtBreakpoint(directive.position)
|
|
"%asmbinary" -> {
|
|
val filename = directive.args[0].str!!
|
|
val offset: UInt? = if(directive.args.size>=2) directive.args[1].int!! else null
|
|
val length: UInt? = if(directive.args.size>=3) directive.args[2].int!! else null
|
|
val abspath = if(File(filename).isFile) {
|
|
Path(filename).toAbsolutePath()
|
|
} else {
|
|
val sourcePath = Path(directive.definingModule.source.origin)
|
|
sourcePath.resolveSibling(filename).toAbsolutePath()
|
|
}
|
|
if(abspath.toFile().isFile)
|
|
PtIncludeBinary(abspath, offset, length, directive.position)
|
|
else
|
|
throw FatalAstException("included file doesn't exist")
|
|
}
|
|
"%asminclude" -> {
|
|
val result = loadAsmIncludeFile(directive.args[0].str!!, directive.definingModule.source)
|
|
val assembly = result.getOrElse { throw it }
|
|
PtInlineAssembly(assembly.trimEnd().trimStart('\r', '\n'), false, directive.position)
|
|
}
|
|
else -> {
|
|
// other directives don't output any code (but could end up in option flags somewhere else)
|
|
PtNop(directive.position)
|
|
}
|
|
}
|
|
}
|
|
|
|
private fun transform(srcFor: ForLoop): PtForLoop {
|
|
val forloop = PtForLoop(srcFor.position)
|
|
forloop.add(transform(srcFor.loopVar))
|
|
forloop.add(transformExpression(srcFor.iterable))
|
|
val statements = PtNodeGroup()
|
|
for (stmt in srcFor.body.statements)
|
|
statements.add(transformStatement(stmt))
|
|
forloop.add(statements)
|
|
return forloop
|
|
}
|
|
|
|
private fun transform(srcCall: FunctionCallStatement): PtFunctionCall {
|
|
val (target, type) = srcCall.target.targetNameAndType(program)
|
|
val call = PtFunctionCall(target,true, type, srcCall.position)
|
|
for (arg in srcCall.args)
|
|
call.add(transformExpression(arg))
|
|
return call
|
|
}
|
|
|
|
private fun transform(srcCall: FunctionCallExpression): PtFunctionCall {
|
|
val (target, _) = srcCall.target.targetNameAndType(program)
|
|
val type = srcCall.inferType(program).getOrElse {
|
|
throw FatalAstException("unknown dt $srcCall")
|
|
}
|
|
val isVoid = type==DataType.UNDEFINED
|
|
val call = PtFunctionCall(target, isVoid, type, srcCall.position)
|
|
for (arg in srcCall.args)
|
|
call.add(transformExpression(arg))
|
|
return call
|
|
}
|
|
|
|
private fun transform(srcIf: IfElse): PtIfElse {
|
|
val ifelse = PtIfElse(srcIf.position)
|
|
ifelse.add(transformExpression(srcIf.condition))
|
|
val ifScope = PtNodeGroup()
|
|
val elseScope = PtNodeGroup()
|
|
for (stmt in srcIf.truepart.statements)
|
|
ifScope.add(transformStatement(stmt))
|
|
for (stmt in srcIf.elsepart.statements)
|
|
elseScope.add(transformStatement(stmt))
|
|
ifelse.add(ifScope)
|
|
ifelse.add(elseScope)
|
|
return ifelse
|
|
}
|
|
|
|
private fun transform(srcNode: InlineAssembly): PtInlineAssembly {
|
|
val assembly = srcNode.assembly.trimEnd().trimStart('\r', '\n')
|
|
return PtInlineAssembly(assembly, srcNode.isIR, srcNode.position)
|
|
}
|
|
|
|
private fun transform(srcJump: Jump): PtJump {
|
|
val identifier = if(srcJump.identifier!=null) transform(srcJump.identifier!!) else null
|
|
return PtJump(identifier,
|
|
srcJump.address,
|
|
srcJump.generatedLabel,
|
|
srcJump.position)
|
|
}
|
|
|
|
private fun transform(label: Label): PtLabel =
|
|
PtLabel(label.name, label.position)
|
|
|
|
private fun transform(src: PostIncrDecr): PtPostIncrDecr {
|
|
val post = PtPostIncrDecr(src.operator, src.position)
|
|
post.add(transform(src.target))
|
|
return post
|
|
}
|
|
|
|
private fun transform(srcRepeat: RepeatLoop): PtRepeatLoop {
|
|
if(srcRepeat.iterations==null)
|
|
throw FatalAstException("repeat-forever loop should have been replaced with label+jump")
|
|
val repeat = PtRepeatLoop(srcRepeat.position)
|
|
repeat.add(transformExpression(srcRepeat.iterations!!))
|
|
val scope = PtNodeGroup()
|
|
for (statement in srcRepeat.body.statements) {
|
|
scope.add(transformStatement(statement))
|
|
}
|
|
repeat.add(scope)
|
|
return repeat
|
|
}
|
|
|
|
private fun transform(srcUnroll: UnrollLoop): PtNodeGroup {
|
|
val result = PtNodeGroup()
|
|
repeat(srcUnroll.iterations) {
|
|
srcUnroll.body.statements.forEach {
|
|
result.add(transformStatement(it))
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
private fun transform(srcNode: Return): PtReturn {
|
|
val ret = PtReturn(srcNode.position)
|
|
if(srcNode.value!=null)
|
|
ret.add(transformExpression(srcNode.value!!))
|
|
return ret
|
|
}
|
|
|
|
private fun transformAsmSub(srcSub: Subroutine): PtAsmSub {
|
|
val params = srcSub.asmParameterRegisters.zip(srcSub.parameters.map { PtSubroutineParameter(it.name, it.type, it.position) })
|
|
val sub = PtAsmSub(srcSub.name,
|
|
srcSub.asmAddress,
|
|
srcSub.asmClobbers,
|
|
params,
|
|
srcSub.asmReturnvaluesRegisters.zip(srcSub.returntypes),
|
|
srcSub.inline,
|
|
srcSub.position)
|
|
sub.parameters.forEach { it.second.parent=sub }
|
|
|
|
if(srcSub.asmAddress==null) {
|
|
var combinedTrueAsm = ""
|
|
var combinedIrAsm = ""
|
|
for (asm in srcSub.statements) {
|
|
asm as InlineAssembly
|
|
if(asm.isIR)
|
|
combinedIrAsm += asm.assembly.trimEnd() + "\n"
|
|
else
|
|
combinedTrueAsm += asm.assembly.trimEnd() + "\n"
|
|
}
|
|
|
|
if(combinedTrueAsm.isNotEmpty()) {
|
|
combinedTrueAsm = combinedTrueAsm.trimEnd().trimStart('\r', '\n')
|
|
sub.add(PtInlineAssembly(combinedTrueAsm, false, srcSub.statements[0].position))
|
|
}
|
|
if(combinedIrAsm.isNotEmpty()) {
|
|
combinedIrAsm = combinedIrAsm.trimEnd().trimStart('\r', '\n')
|
|
sub.add(PtInlineAssembly(combinedIrAsm, true, srcSub.statements[0].position))
|
|
}
|
|
if(combinedIrAsm.isEmpty() && combinedTrueAsm.isEmpty())
|
|
sub.add(PtInlineAssembly("", true, srcSub.position))
|
|
}
|
|
|
|
return sub
|
|
}
|
|
|
|
private fun transformSub(srcSub: Subroutine): PtSub {
|
|
val (vardecls, statements) = srcSub.statements.partition { it is VarDecl }
|
|
var returntype = srcSub.returntypes.singleOrNull()
|
|
if(returntype==DataType.STR)
|
|
returntype=DataType.UWORD // if a sub returns 'str', replace with uword. Intermediate AST and I.R. don't contain 'str' datatype anymore.
|
|
|
|
// do not bother about the 'inline' hint of the source subroutine.
|
|
val sub = PtSub(srcSub.name,
|
|
srcSub.parameters.map { PtSubroutineParameter(it.name, it.type, it.position) },
|
|
returntype,
|
|
srcSub.position)
|
|
sub.parameters.forEach { it.parent=sub }
|
|
makeScopeVarsDecls(vardecls).forEach { sub.add(it) }
|
|
for (statement in statements)
|
|
sub.add(transformStatement(statement))
|
|
|
|
return sub
|
|
}
|
|
|
|
private fun transform(srcVar: VarDecl): PtNode {
|
|
return when(srcVar.type) {
|
|
VarDeclType.VAR -> {
|
|
val value = if(srcVar.value!=null) transformExpression(srcVar.value!!) else null
|
|
PtVariable(srcVar.name, srcVar.datatype, srcVar.zeropage, value, srcVar.arraysize?.constIndex()?.toUInt(), srcVar.position)
|
|
}
|
|
VarDeclType.CONST -> PtConstant(srcVar.name, srcVar.datatype, (srcVar.value as NumericLiteral).number, srcVar.position)
|
|
VarDeclType.MEMORY -> PtMemMapped(srcVar.name, srcVar.datatype, (srcVar.value as NumericLiteral).number.toUInt(), srcVar.arraysize?.constIndex()?.toUInt(), srcVar.position)
|
|
}
|
|
}
|
|
|
|
private fun transform(srcWhen: When): PtWhen {
|
|
val w = PtWhen(srcWhen.position)
|
|
w.add(transformExpression(srcWhen.condition))
|
|
val choices = PtNodeGroup()
|
|
for (choice in srcWhen.choices)
|
|
choices.add(transform(choice))
|
|
w.add(choices)
|
|
return w
|
|
}
|
|
|
|
private fun transform(srcChoice: WhenChoice): PtWhenChoice {
|
|
val choice = PtWhenChoice(srcChoice.values==null, srcChoice.position)
|
|
val values = PtNodeGroup()
|
|
val statements = PtNodeGroup()
|
|
if(!choice.isElse) {
|
|
for (value in srcChoice.values!!)
|
|
values.add(transformExpression(value))
|
|
}
|
|
for (stmt in srcChoice.statements.statements)
|
|
statements.add(transformStatement(stmt))
|
|
choice.add(values)
|
|
choice.add(statements)
|
|
return choice
|
|
}
|
|
|
|
private fun transform(src: AddressOf): PtAddressOf {
|
|
val addr = PtAddressOf(src.position)
|
|
val (name, dt) = src.identifier.targetNameAndType(program)
|
|
if(dt in SplitWordArrayTypes)
|
|
addr.add(PtIdentifier(name+"_lsb", dt, src.identifier.position)) // NOTE: assumes _lsb is first in memory! (immediately followed by _msb)
|
|
else
|
|
addr.add(transform(src.identifier))
|
|
return addr
|
|
}
|
|
|
|
private fun transform(srcArr: ArrayIndexedExpression): PtArrayIndexer {
|
|
val arrayVarType = srcArr.inferType(program).getOrElse { throw FatalAstException("unknown dt") }
|
|
val array = PtArrayIndexer(arrayVarType, srcArr.position)
|
|
array.add(transform(srcArr.arrayvar))
|
|
array.add(transformExpression(srcArr.indexer.indexExpr))
|
|
return array
|
|
}
|
|
|
|
private fun transform(srcArr: ArrayLiteral): PtArray {
|
|
val arr = PtArray(srcArr.inferType(program).getOrElse { throw FatalAstException("array must know its type") }, srcArr.position)
|
|
for (elt in srcArr.value)
|
|
arr.add(transformExpression(elt))
|
|
return arr
|
|
}
|
|
|
|
private fun transform(srcExpr: BinaryExpression): PtBinaryExpression {
|
|
val type = srcExpr.inferType(program).getOrElse { throw FatalAstException("unknown dt") }
|
|
val actualType = if(type==DataType.BOOL) DataType.UBYTE else type
|
|
val expr = PtBinaryExpression(srcExpr.operator, actualType, srcExpr.position)
|
|
expr.add(transformExpression(srcExpr.left))
|
|
expr.add(transformExpression(srcExpr.right))
|
|
return expr
|
|
}
|
|
|
|
private fun transform(srcCall: BuiltinFunctionCall): PtBuiltinFunctionCall {
|
|
val type = srcCall.inferType(program).getOrElse { throw FatalAstException("unknown dt") }
|
|
val noSideFx = BuiltinFunctions.getValue(srcCall.name).pure
|
|
val call = PtBuiltinFunctionCall(srcCall.name, false, noSideFx, type, srcCall.position)
|
|
for (arg in srcCall.args)
|
|
call.add(transformExpression(arg))
|
|
return call
|
|
}
|
|
|
|
private fun transform(srcCheck: ContainmentCheck): PtContainmentCheck {
|
|
val check = PtContainmentCheck(srcCheck.position)
|
|
check.add(transformExpression(srcCheck.element))
|
|
if(srcCheck.iterable !is IdentifierReference)
|
|
throw FatalAstException("iterable in containmentcheck must always be an identifier (referencing string or array) $srcCheck")
|
|
val iterable = transformExpression(srcCheck.iterable)
|
|
check.add(iterable)
|
|
return check
|
|
}
|
|
|
|
private fun transform(memory: DirectMemoryWrite): PtMemoryByte {
|
|
val mem = PtMemoryByte(memory.position)
|
|
mem.add(transformExpression(memory.addressExpression))
|
|
return mem
|
|
}
|
|
|
|
private fun transform(memory: DirectMemoryRead): PtMemoryByte {
|
|
val mem = PtMemoryByte(memory.position)
|
|
mem.add(transformExpression(memory.addressExpression))
|
|
return mem
|
|
}
|
|
|
|
private fun transform(number: NumericLiteral): PtNumber =
|
|
PtNumber(number.type, number.number, number.position)
|
|
|
|
private fun transform(srcPrefix: PrefixExpression): PtPrefix {
|
|
val type = srcPrefix.inferType(program).getOrElse { throw FatalAstException("unknown dt") }
|
|
val prefix = PtPrefix(srcPrefix.operator, type, srcPrefix.position)
|
|
prefix.add(transformExpression(srcPrefix.expression))
|
|
return prefix
|
|
}
|
|
|
|
private fun transform(srcRange: RangeExpression): PtRange {
|
|
val type = srcRange.inferType(program).getOrElse { throw FatalAstException("unknown dt") }
|
|
val range=PtRange(type, srcRange.position)
|
|
range.add(transformExpression(srcRange.from))
|
|
range.add(transformExpression(srcRange.to))
|
|
range.add(transformExpression(srcRange.step) as PtNumber)
|
|
return range
|
|
}
|
|
|
|
private fun transform(srcString: StringLiteral): PtString =
|
|
PtString(srcString.value, srcString.encoding, srcString.position)
|
|
|
|
private fun transform(srcCast: TypecastExpression): PtTypeCast {
|
|
val cast = PtTypeCast(srcCast.type, srcCast.position)
|
|
cast.add(transformExpression(srcCast.expression))
|
|
require(cast.type!=cast.value.type)
|
|
return cast
|
|
}
|
|
|
|
|
|
private fun loadAsmIncludeFile(filename: String, source: SourceCode): Result<String, NoSuchFileException> {
|
|
return if (filename.startsWith(SourceCode.LIBRARYFILEPREFIX)) {
|
|
return com.github.michaelbull.result.runCatching {
|
|
SourceCode.Resource("/prog8lib/${filename.substring(SourceCode.LIBRARYFILEPREFIX.length)}").text
|
|
}.mapError { NoSuchFileException(File(filename)) }
|
|
} else {
|
|
val sib = Path(source.origin).resolveSibling(filename)
|
|
if (sib.isRegularFile())
|
|
Ok(SourceCode.File(sib).text)
|
|
else
|
|
Ok(SourceCode.File(Path(filename)).text)
|
|
}
|
|
}
|
|
|
|
} |