Apple-2-SW/prog8
1
0
Fork 0
mirror of https://github.com/irmen/prog8.git synced 2024-11-23 07:32:10 +00:00
Code Issues Projects Releases Wiki Activity

added syntax error for non-constant array size declaration

Browse Source
This commit is contained in:
Irmen de Jong 2020-12-06 17:02:56 +01:00
parent 6b5211ad12
commit 260bcd3a55
2 changed files with 26 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
compiler/src/prog8/ast/processing/AstChecker.kt
View File

@ -604,23 +604,28 @@ internal class AstChecker(private val program: Program,
}
}
// array length limits
// array length limits and constant lenghts
if(decl.isArray) {
val length = decl.arraysize!!.constIndex() ?: 1
val length = decl.arraysize!!.constIndex()
if(length==null)
err("array length must be a constant")
else {
when (decl.datatype) {
DataType.STR, DataType.ARRAY_UB, DataType.ARRAY_B -> {
if(length==0 || length>256)
if (length == 0 || length > 256)
err("string and byte array length must be 1-256")
}
DataType.ARRAY_UW, DataType.ARRAY_W -> {
if(length==0 || length>128)
if (length == 0 || length > 128)
err("word array length must be 1-128")
}
DataType.ARRAY_F -> {
if(length==0 || length>51)
if (length == 0 || length > 51)
err("float array length must be 1-51")
}
else -> {}
else -> {
}
}
}
}

6
examples/test.p8
View File

@ -5,6 +5,12 @@
main {
sub start() {
const ubyte size = 100
ubyte[size+10] bytes
txt.print("hello\n")
ubyte dummy = bytes[0]
}
}