aml: suppress all the warnings produced by the crate

In some ways, this isn't great, because we're hiding a few areas where
warnings are produced because we're not using some value we probably should
be, but all the warnings produced by the crate are quite noisy for downstream
users so let's suppress them for now.

Author: IsaacWoods

Diff for: aml/src/lib.rs

@@ -166,7 +166,8 @@ impl AmlContext {
         use value::MethodCode;
 
         match self.namespace.get_by_path(path)?.clone() {
-            AmlValue::Method { flags, code } => {
+            // TODO: respect the method's flags
+            AmlValue::Method { flags: _, code } => {
                 /*
                  * First, set up the state we expect to enter the method with, but clearing local
                  * variables to "null" and setting the arguments. Save the current method state and scope, so if we're
@@ -393,7 +394,7 @@ impl AmlContext {
         use core::convert::TryInto;
         use value::RegionSpace;
 
-        let (region_space, region_base, region_length, parent_device) = {
+        let (region_space, region_base, _region_length, parent_device) = {
             if let AmlValue::OpRegion { region, offset, length, parent_device } =
                 self.namespace.get(region_handle)?
             {
@@ -485,7 +486,7 @@ impl AmlContext {
         use core::convert::TryInto;
         use value::RegionSpace;
 
-        let (region_space, region_base, region_length, parent_device) = {
+        let (region_space, region_base, _region_length, parent_device) = {
             if let AmlValue::OpRegion { region, offset, length, parent_device } =
                 self.namespace.get(region_handle)?
             {

Diff for: aml/src/opcode.rs

@@ -7,9 +7,9 @@ pub const ROOT_CHAR: u8 = b'\\';
 pub const PREFIX_CHAR: u8 = b'^';
 
 pub const RESERVED_FIELD: u8 = 0x00;
-pub const ACCESS_FIELD: u8 = 0x01;
-pub const CONNECT_FIELD: u8 = 0x02;
-pub const EXTENDED_ACCESS_FIELD: u8 = 0x03;
+// pub const ACCESS_FIELD: u8 = 0x01;
+// pub const CONNECT_FIELD: u8 = 0x02;
+// pub const EXTENDED_ACCESS_FIELD: u8 = 0x03;
 
 pub const ZERO_OP: u8 = 0x00;
 pub const ONE_OP: u8 = 0x01;

Diff for: aml/src/statement.rs

@@ -284,7 +284,7 @@ where
                         match term_list(PkgLength::from_raw_length(body, body.len() as u32).unwrap())
                             .parse(body, context)
                         {
-                            Ok((_, new_context, result)) => {
+                            Ok((_, new_context, _result)) => {
                                 context = new_context;
                             }
                             Err((_, new_context, Propagate::Break)) => {

Diff for: aml/src/value.rs

@@ -425,7 +425,7 @@ impl AmlValue {
     /// depending on the size of the field.
     pub fn read_field(&self, context: &AmlContext) -> Result<AmlValue, AmlError> {
         if let AmlValue::Field { region, flags, offset, length } = self {
-            let maximum_access_size = {
+            let _maximum_access_size = {
                 if let AmlValue::OpRegion { region, .. } = context.namespace.get(*region)? {
                     match region {
                         RegionSpace::SystemMemory => 64,
@@ -471,7 +471,7 @@ impl AmlValue {
          * overwrite the correct bits. We destructure the field to do the actual write, so we read from it if
          * needed here, otherwise the borrow-checker doesn't understand.
          */
-        let field_update_rule = if let AmlValue::Field { region, flags, offset, length } = self {
+        let field_update_rule = if let AmlValue::Field { flags, .. } = self {
             flags.field_update_rule()?
         } else {
             return Err(AmlError::IncompatibleValueConversion {
@@ -486,7 +486,7 @@ impl AmlValue {
         };
 
         if let AmlValue::Field { region, flags, offset, length } = self {
-            let maximum_access_size = {
+            let _maximum_access_size = {
                 if let AmlValue::OpRegion { region, .. } = context.namespace.get(*region)? {
                     match region {
                         RegionSpace::SystemMemory => 64,
@@ -519,7 +519,7 @@ impl AmlValue {
         }
     }
 
-    pub fn read_buffer_field(&self, context: &AmlContext) -> Result<AmlValue, AmlError> {
+    pub fn read_buffer_field(&self, _context: &AmlContext) -> Result<AmlValue, AmlError> {
         use bitvec::view::BitView;
 
         if let AmlValue::BufferField { buffer_data, offset, length } = self {
@@ -562,7 +562,7 @@ impl AmlValue {
         }
     }
 
-    pub fn write_buffer_field(&mut self, value: AmlValue, context: &mut AmlContext) -> Result<(), AmlError> {
+    pub fn write_buffer_field(&mut self, value: AmlValue, _context: &mut AmlContext) -> Result<(), AmlError> {
         use bitvec::view::BitView;
 
         if let AmlValue::BufferField { buffer_data, offset, length } = self {