Transform OpenGL constants inside binary/ternary expressions too

We don't make this more general, as we don't want to translate them
inside method call expressions.

Signed-off-by: Graham <gpe@openrs2.dev>
bzip2
Graham 5 years ago
parent e06e70bc1f
commit 4fd330a8ac
  1. 43
      deob-ast/src/main/java/dev/openrs2/deob/ast/transform/GlConstantTransformer.kt

@ -46,7 +46,7 @@ class GlConstantTransformer : Transformer() {
if (primaryType.fullyQualifiedName.orElse(null) in GL_CLASSES) { if (primaryType.fullyQualifiedName.orElse(null) in GL_CLASSES) {
transformParameterNames(primaryType) transformParameterNames(primaryType)
} else { } else {
transformLiteralArguments(unit) transformArguments(unit)
} }
} }
@ -126,7 +126,7 @@ class GlConstantTransformer : Transformer() {
} }
} }
private fun transformLiteralArguments(unit: CompilationUnit) { private fun transformArguments(unit: CompilationUnit) {
unit.walk { expr: MethodCallExpr -> unit.walk { expr: MethodCallExpr ->
if (!expr.nameAsString.startsWith(GL_METHOD_PREFIX)) { if (!expr.nameAsString.startsWith(GL_METHOD_PREFIX)) {
return@walk return@walk
@ -140,7 +140,7 @@ class GlConstantTransformer : Transformer() {
val name = type.asReferenceType().qualifiedName val name = type.asReferenceType().qualifiedName
if (name in GL_CLASSES) { if (name in GL_CLASSES) {
transformLiteralArguments(unit, expr) transformArguments(unit, expr)
} }
} }
} }
@ -159,7 +159,7 @@ class GlConstantTransformer : Transformer() {
glInterface.members.sortWith(FIELD_METHOD_COMPARATOR.thenComparing(GL_FIELD_VALUE_COMPARATOR)) glInterface.members.sortWith(FIELD_METHOD_COMPARATOR.thenComparing(GL_FIELD_VALUE_COMPARATOR))
} }
private fun transformLiteralArguments(unit: CompilationUnit, expr: MethodCallExpr) { private fun transformArguments(unit: CompilationUnit, expr: MethodCallExpr) {
val name = expr.nameAsString val name = expr.nameAsString
val command = REGISTRY.commands[name] ?: error("Failed to find $name in the OpenGL registry") val command = REGISTRY.commands[name] ?: error("Failed to find $name in the OpenGL registry")
@ -173,7 +173,7 @@ class GlConstantTransformer : Transformer() {
} }
if (type.isPrimitive) { if (type.isPrimitive) {
transformLiteralArgument(unit, command, command.parameters[registryIndex], argument) transformExpr(unit, command, command.parameters[registryIndex], argument)
} }
registryIndex++ registryIndex++
@ -214,17 +214,32 @@ class GlConstantTransformer : Transformer() {
return IntegerLiteralExpr("0x${Integer.toUnsignedString(this, 16)}") return IntegerLiteralExpr("0x${Integer.toUnsignedString(this, 16)}")
} }
private fun transformLiteralArgument( private fun transformExpr(
unit: CompilationUnit, unit: CompilationUnit,
command: GlCommand, command: GlCommand,
parameter: GlParameter, parameter: GlParameter,
argument: Expression expr: Expression
) { ) {
if (!argument.isIntegerLiteralExpr) { if (expr.isBinaryExpr) {
return val binaryExpr = expr.asBinaryExpr()
transformExpr(unit, command, parameter, binaryExpr.left)
transformExpr(unit, command, parameter, binaryExpr.right)
} else if (expr.isConditionalExpr) {
val conditionalExpr = expr.asConditionalExpr()
transformExpr(unit, command, parameter, conditionalExpr.thenExpr)
transformExpr(unit, command, parameter, conditionalExpr.elseExpr)
} else if (expr.isIntegerLiteralExpr) {
transformIntegerLiteralExpr(unit, command, parameter, expr)
} }
}
var value = argument.asIntegerLiteralExpr().checkedAsInt() private fun transformIntegerLiteralExpr(
unit: CompilationUnit,
command: GlCommand,
parameter: GlParameter,
expr: Expression
) {
var value = expr.asIntegerLiteralExpr().checkedAsInt()
val vendor = command.vendor val vendor = command.vendor
val group = parameter.group ?: return val group = parameter.group ?: return
@ -256,16 +271,16 @@ class GlConstantTransformer : Transformer() {
unit.addImport(GL_CLASS) unit.addImport(GL_CLASS)
enums += bitfieldEnums enums += bitfieldEnums
val expr = bitfieldEnums.sortedBy(GlEnum::value) val orExpr = bitfieldEnums.sortedBy(GlEnum::value)
.map { it.toExpr() } .map { it.toExpr() }
.reduce { a, b -> BinaryExpr(a, b, BinaryExpr.Operator.BINARY_OR) } .reduce { a, b -> BinaryExpr(a, b, BinaryExpr.Operator.BINARY_OR) }
if (value != 0) { if (value != 0) {
logger.warn { "Missing some enums in ${command.name}'s ${parameter.name} bitfield: $value" } logger.warn { "Missing some enums in ${command.name}'s ${parameter.name} bitfield: $value" }
argument.replace(BinaryExpr(expr, value.toHexLiteralExpr(), BinaryExpr.Operator.BINARY_OR)) expr.replace(BinaryExpr(orExpr, value.toHexLiteralExpr(), BinaryExpr.Operator.BINARY_OR))
} else { } else {
argument.replace(expr) expr.replace(orExpr)
} }
} else { } else {
val enum = group.firstEnumOrNull(value, vendor) val enum = group.firstEnumOrNull(value, vendor)
@ -273,7 +288,7 @@ class GlConstantTransformer : Transformer() {
unit.addImport(GL_CLASS) unit.addImport(GL_CLASS)
enums += enum enums += enum
argument.replace(enum.toExpr()) expr.replace(enum.toExpr())
} else { } else {
logger.warn { "Missing enum for ${command.name}'s ${parameter.name} parameter: $value" } logger.warn { "Missing enum for ${command.name}'s ${parameter.name} parameter: $value" }
} }

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