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fix compiler errors

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This commit is contained in:
Irmen de Jong 2021-01-02 15:40:24 +01:00
parent b3b2541c1e
commit 08d44ae553
2 changed files with 11 additions and 3 deletions
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12
compiler/src/prog8/ast/processing/VerifyFunctionArgTypes.kt
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@ -6,6 +6,7 @@ import prog8.ast.Program
import prog8.ast.base.DataType
import prog8.ast.expressions.Expression
import prog8.ast.expressions.FunctionCall
import prog8.ast.expressions.TypecastExpression
import prog8.ast.statements.*
import prog8.compiler.CompilerException
import prog8.functions.BuiltinFunctions
@ -60,8 +61,15 @@ class VerifyFunctionArgTypes(val program: Program) : IAstVisitor {
// multiple return values will NOT work inside an expression.
// they MIGHT work in a regular assignment or just a function call statement.
val parent = if(call is Statement) call.parent else if(call is Expression) call.parent else null
if(call !is FunctionCallStatement && parent !is Assignment && parent !is VarDecl) {
return "can't use subroutine call that returns multiple return values here (try moving it into a separate assignment)"
if (call !is FunctionCallStatement) {
val checkParent =
if(parent is TypecastExpression)
parent.parent
else
parent
if (checkParent !is Assignment && checkParent !is VarDecl) {
return "can't use subroutine call that returns multiple return values here"
}
}
}
}

2
compiler/src/prog8/optimizer/StatementOptimizer.kt
View File

@ -39,7 +39,7 @@ internal class StatementOptimizer(private val program: Program,
override fun after(subroutine: Subroutine, parent: Node): Iterable<IAstModification> {
val forceOutput = "force_output" in subroutine.definingBlock().options()
if(subroutine.asmAddress==null && !forceOutput) {
if(subroutine.containsNoCodeNorVars()) {
if(subroutine.containsNoCodeNorVars() && !subroutine.inline) {
errors.warn("removing empty subroutine '${subroutine.name}'", subroutine.position)
val removals = callgraph.calledBy.getValue(subroutine).map {
IAstModification.Remove(it, it.definingScope())