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range initializers

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This commit is contained in:
Irmen de Jong 2018-08-14 16:46:34 +02:00
parent 4b7d656a2f
commit 50bbbc67e2
2 changed files with 15 additions and 11 deletions
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2
il65/examples/test.ill
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@ -1,5 +1,5 @@
~ main $c003 {
word[100] ascending = 100 to 199
word[1000] ascending = 10 to 1009
word[100] ascending2 = "a" to "z"
str ascending3 = "a" to "z"
str ascending5 = "z" to "z"

24
il65/src/il65/ast/AstChecker.kt
View File

@ -281,8 +281,9 @@ class AstChecker(private val globalNamespace: INameScope) : IAstProcessor {
if (value.arrayvalue.size != expected)
checkResult.add(SyntaxError("initializer array size mismatch (expecting $expected, got ${value.arrayvalue.size})", decl.position))
else {
value.arrayvalue.forEach {
checkValueRange(decl.datatype, it.constValue(globalNamespace)!!, it.position)
for(v in value.arrayvalue) {
if(!checkValueRange(decl.datatype, v.constValue(globalNamespace)!!, v.position))
break
}
}
}
@ -297,8 +298,9 @@ class AstChecker(private val globalNamespace: INameScope) : IAstProcessor {
if (value.arrayvalue.size != expected)
checkResult.add(SyntaxError("initializer array size mismatch (expecting $expected, got ${value.arrayvalue.size})", decl.position))
else {
value.arrayvalue.forEach {
checkValueRange(decl.datatype, it.constValue(globalNamespace)!!, it.position)
for(v in value.arrayvalue) {
if(!checkValueRange(decl.datatype, v.constValue(globalNamespace)!!, v.position))
break
}
}
}
@ -330,32 +332,34 @@ class AstChecker(private val globalNamespace: INameScope) : IAstProcessor {
return range
}
private fun checkValueRange(datatype: DataType, value: LiteralValue, position: Position?) {
fun err(msg: String) {
private fun checkValueRange(datatype: DataType, value: LiteralValue, position: Position?) : Boolean {
fun err(msg: String) : Boolean {
checkResult.add(SyntaxError(msg, position))
return false
}
when (datatype) {
DataType.FLOAT -> {
val number = value.asFloat(false)
if (number!=null && (number > 1.7014118345e+38 || number < -1.7014118345e+38))
err("floating point value out of range for MFLPT format")
return err("floating point value out of range for MFLPT format")
}
DataType.BYTE -> {
val number = value.asInt(false)
if (number!=null && (number < 0 || number > 255))
err("value out of range for unsigned byte")
return err("value out of range for unsigned byte")
}
DataType.WORD -> {
val number = value.asInt(false)
if (number!=null && (number < 0 || number > 65535))
err("value out of range for unsigned word")
return err("value out of range for unsigned word")
}
DataType.STR, DataType.STR_P, DataType.STR_S, DataType.STR_PS -> {
val str = value.strvalue
if (str!=null && (str.isEmpty() || str.length > 65535))
err("string length must be 1..65535")
return err("string length must be 1..65535")
}
}
return true
}
private fun checkConstInitializerValueScalar(decl: VarDecl) {