Use the same cc extension for C++ files (#11881)

* Use the same `cc` extension for C++ files

Rename a few stragglers using `*.cpp` to `*.cc` to have consistent
syntax throughout the repository.

* Fix another reference

* Rename more extensions

Author: alexcrichton

crates/test-programs/artifacts/build.rs

@@ -249,7 +249,7 @@ impl Artifacts {
             let name = path.file_stem().unwrap().to_str().unwrap().to_owned();
             match path.extension().and_then(|s| s.to_str()) {
                 // Compile C/C++ tests with clang
-                Some("c") | Some("cpp") | Some("cc") => self.build_c_or_cpp_test(path, name, tests),
+                Some("c") | Some("cc") => self.build_c_or_cpp_test(path, name, tests),
 
                 // just a header, part of another test.
                 Some("h") => {}

…rams/src/bin/dwarf_codegen_optimized.cpp …grams/src/bin/dwarf_codegen_optimized.cccrates/test-programs/src/bin/dwarf_codegen_optimized.cpp renamed to crates/test-programs/src/bin/dwarf_codegen_optimized.cc crates/test-programs/src/bin/dwarf_codegen_optimized.cpp renamed to crates/test-programs/src/bin/dwarf_codegen_optimized.cc

@@ -1,4 +1,4 @@
-//! extra-files = ['dwarf_generic_satellite.cpp']
+//! extra-files = ['dwarf_generic_satellite.cc']
 
 // clang-format off
 // clang -o generic.wasm -target wasm32-unknown-wasip1 -g generic.cpp generic-satellite.cpp

…arf_codegen_optimized_wasm_optimized.cpp …warf_codegen_optimized_wasm_optimized.cccrates/test-programs/src/bin/dwarf_codegen_optimized_wasm_optimized.cpp renamed to crates/test-programs/src/bin/dwarf_codegen_optimized_wasm_optimized.cc crates/test-programs/src/bin/dwarf_codegen_optimized_wasm_optimized.cpp renamed to crates/test-programs/src/bin/dwarf_codegen_optimized_wasm_optimized.cc

@@ -3,7 +3,7 @@
 You can also [browse this source code online][code] and clone the wasmtime
 repository to run the example locally.
 
-[code]: https://github.com/bytecodealliance/wasmtime/blob/main/examples/async.cpp
+[code]: https://github.com/bytecodealliance/wasmtime/blob/main/examples/async.cc
 
 This example demonstrates configuring Wasmtime for asynchronous operation and calling async host functions from wasm.
 
@@ -18,7 +18,7 @@ This example demonstrates configuring Wasmtime for asynchronous operation and ca
 <!-- langtabs-start -->
 
 ```cpp
-{{#include ../examples/async.cpp}}
+{{#include ../examples/async.cc}}
 ```
 
 <!-- langtabs-end -->

…/test-programs/src/bin/dwarf_generic.cpp …s/test-programs/src/bin/dwarf_generic.cccrates/test-programs/src/bin/dwarf_generic.cpp renamed to crates/test-programs/src/bin/dwarf_generic.cc crates/test-programs/src/bin/dwarf_generic.cpp renamed to crates/test-programs/src/bin/dwarf_generic.cc

@@ -63,7 +63,7 @@ create_rust_wasm(resource-component wasm32-wasip2)
 # C/C++ examples/tests
 create_target(anyref anyref.c)
 create_target(anyref-cpp anyref.cc)
-create_target(async async.cpp)
+create_target(async async.cc)
 create_target(externref externref.c)
 create_target(externref-cpp externref.cc)
 create_target(fib-debug fib-debug/main.c)

…rams/src/bin/dwarf_generic_satellite.cpp …grams/src/bin/dwarf_generic_satellite.cccrates/test-programs/src/bin/dwarf_generic_satellite.cpp renamed to crates/test-programs/src/bin/dwarf_generic_satellite.cc crates/test-programs/src/bin/dwarf_generic_satellite.cpp renamed to crates/test-programs/src/bin/dwarf_generic_satellite.cc

@@ -5,7 +5,7 @@ function.
 You can compile and run this example on Linux with:
 
    cargo build --release -p wasmtime-c-api
-   c++ examples/async.cpp \
+   c++ examples/async.cc \
        -I crates/c-api/include \
        target/release/libwasmtime.a \
        -std=c++11 \

docs/examples-async.md

@@ -262,8 +262,8 @@ pub fn dwarf_codegen_optimized() -> Result<()> {
         ],
         r#"b InitializeTest
 r
-b dwarf_codegen_optimized.cpp:25
-b dwarf_codegen_optimized.cpp:26
+b dwarf_codegen_optimized.cc:25
+b dwarf_codegen_optimized.cc:26
 c
 v x
 c
@@ -297,8 +297,8 @@ pub fn dwarf_codegen_optimized_wasm_optimized() -> Result<()> {
         ],
         r#"b InitializeTest
 r
-b dwarf_codegen_optimized_wasm_optimized.cpp:23
-b dwarf_codegen_optimized_wasm_optimized.cpp:29
+b dwarf_codegen_optimized_wasm_optimized.cc:23
+b dwarf_codegen_optimized_wasm_optimized.cc:29
 c
 v b
 c