From 282645e18ac920b2c1051a0bdf3e3236ee5839d6 Mon Sep 17 00:00:00 2001
From: iximeow <me@iximeow.net>
Date: Sat, 3 Jul 2021 16:13:48 -0700
Subject: add tests for MemoryAccessSize, consistentify style on docs

---
 src/long_mode/mod.rs | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

(limited to 'src/long_mode/mod.rs')

diff --git a/src/long_mode/mod.rs b/src/long_mode/mod.rs
index f2b2b57..4babca3 100644
--- a/src/long_mode/mod.rs
+++ b/src/long_mode/mod.rs
@@ -2757,9 +2757,9 @@ pub struct InstDecoder {
 }
 
 impl InstDecoder {
-    /// Instantiates an x86_64 decoder that decodes the bare minimum of x86_64.
+    /// instantiates an x86_64 decoder that decodes the bare minimum of x86_64.
     ///
-    /// Pedantic and only decodes what the spec says is well-defined, rejecting undefined sequences
+    /// pedantic and only decodes what the spec says is well-defined, rejecting undefined sequences
     /// and any instructions defined by extensions.
     pub fn minimal() -> Self {
         InstDecoder {
@@ -2767,6 +2767,15 @@ impl InstDecoder {
         }
     }
 
+    /// helper to decode an instruction directly from a byte slice.
+    ///
+    /// this lets callers avoid the work of setting up a [`yaxpeax_arch::U8Reader`] for the slice
+    /// to decode.
+    pub fn decode_slice(&self, data: &[u8]) -> Result<Instruction, DecodeError> {
+        let mut reader = yaxpeax_arch::U8Reader::new(data);
+        self.decode(&mut reader)
+    }
+
     pub fn sse3(&self) -> bool {
         self.flags & (1 << 0) != 0
     }
@@ -4194,6 +4203,17 @@ impl Default for Instruction {
     }
 }
 
+const MEM_SIZE_STRINGS: [&'static str; 64] = [
+    "byte", "word", "BUG", "dword", "BUG", "BUG", "BUG", "qword",
+    "far", "mword", "BUG", "BUG", "BUG", "BUG", "BUG", "xmmword",
+    "BUG", "BUG", "BUG", "BUG", "BUG", "BUG", "BUG", "BUG",
+    "BUG", "BUG", "BUG", "BUG", "BUG", "BUG", "BUG", "ymmword",
+    "BUG", "BUG", "BUG", "BUG", "BUG", "BUG", "BUG", "BUG",
+    "BUG", "BUG", "BUG", "BUG", "BUG", "BUG", "BUG", "BUG",
+    "BUG", "BUG", "BUG", "BUG", "BUG", "BUG", "BUG", "BUG",
+    "BUG", "BUG", "BUG", "BUG", "BUG", "BUG", "ptr", "zmmword",
+];
+
 pub struct MemoryAccessSize {
     size: u8,
 }
@@ -4207,7 +4227,7 @@ impl MemoryAccessSize {
     }
 
     pub fn size_name(&self) -> &'static str {
-        "name_strings"
+        MEM_SIZE_STRINGS[self.size as usize - 1]
     }
 }
 
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