C++ std::vector<T> and Rust std::vec::Vec<T> support

Add basic std::vector and std::vec::Vec support across FFI boundary.

1 files changed, 37 insertions, 0 deletions

diff --git a/syntax/atom.rs b/syntax/atom.rs
index eeea831e..c68b3fe1 100644
--- a/syntax/atom.rs
+++ b/syntax/atom.rs
@@ -42,6 +42,43 @@ impl Atom {
             _ => None,
         }
     }
+
+    pub fn to_cxx(&self) -> &'static str {
+        use self::Atom::*;
+        match self {
+            Bool => "bool",
+            U8 => "uint8_t",
+            U16 => "uint16_t",
+            U32 => "uint32_t",
+            U64 => "uint64_t",
+            Usize => "size_t",
+            I8 => "int8_t",
+            I16 => "int16_t",
+            I32 => "int32_t",
+            I64 => "int64_t",
+            Isize => "::rust::isize",
+            F32 => "float",
+            F64 => "double",
+            CxxString => "::std::string",
+            RustString => "::rust::String",
+        }
+    }
+
+    pub fn is_valid_vector_target(&self) -> bool {
+        use self::Atom::*;
+        *self == U8
+            || *self == U16
+            || *self == U32
+            || *self == U64
+            || *self == Usize
+            || *self == I8
+            || *self == I16
+            || *self == I32
+            || *self == I64
+            || *self == Isize
+            || *self == F32
+            || *self == F64
+    }
 }
 
 impl PartialEq<Atom> for Ident {