curioustorvald/Terrarum-sans-bitmap
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implementation of "replacewith" compiler directive

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minjaesong
2021-12-08 11:12:05 +09:00
parent 5469b56841
commit 0943d38926
12 changed files with 76 additions and 47 deletions
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23
src/net/torvald/terrarumsansbitmap/GlyphProps.kt
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@@ -23,12 +23,16 @@ data class GlyphProps(
val stackWhere: Int = 0, // STACK_UP..STACK_UP_N_DOWN
val extInfo: IntArray = DEFAULT_EXTINFO,
val extInfo: IntArray = IntArray(15),
val hasKernData: Boolean = false,
val isKernYtype: Boolean = false,
val kerningMask: Int = 255,
val directiveOpcode: Int = 0, // 8-bits wide
val directiveArg1: Int = 0, // 8-bits wide
val directiveArg2: Int = 0, // 8-bits wide
val rtl: Boolean = false,
) {
companion object {
@@ -46,8 +50,6 @@ data class GlyphProps(
const val DIA_JOINER = 2
private fun Boolean.toInt() = if (this) 1 else 0
val DEFAULT_EXTINFO = IntArray(15)
}
/*constructor(width: Int, tags: Int) : this(
@@ -109,5 +111,18 @@ data class GlyphProps(
return other is GlyphProps && this.hashCode() == other.hashCode()
}
fun requiredExtInfoCount() = if (stackWhere == STACK_BEFORE_N_AFTER) 2 else 0
fun requiredExtInfoCount() =
if (stackWhere == STACK_BEFORE_N_AFTER)
2
else if (directiveOpcode in 0b10000_000..0b10000_111)
directiveOpcode and 7
else 0
fun isPragma(pragma: String) = when (pragma) {
"replacewith" -> directiveOpcode in 0b10000_000..0b10000_111
else -> false
}
fun forEachExtInfo(action: (Int) -> Unit) = extInfo.slice(0 until requiredExtInfoCount()).forEach(action)
fun forEachExtInfoIndexed(action: (Int, Int) -> Unit) = extInfo.slice(0 until requiredExtInfoCount()).forEachIndexed(action)
}