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Read ServoArcTypeList.h for list of arc types

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This commit is contained in:
Xidorn Quan 2017-02-21 17:24:49 +11:00
parent b63488c2ac
commit c2de28de1a
1 changed files with 19 additions and 10 deletions
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29
components/style/build_gecko.rs
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@ -232,6 +232,24 @@ mod bindings {
File::create(&out_file).unwrap().write_all(&result.into_bytes()).expect("Unable to write output"); File::create(&out_file).unwrap().write_all(&result.into_bytes()).expect("Unable to write output");
} }
fn get_arc_types() -> Vec<String> {
// Read the file
let mut list_file = File::open(DISTDIR_PATH.join("include/mozilla/ServoArcTypeList.h"))
.expect("Unable to open ServoArcTypeList.h");
let mut content = String::new();
list_file.read_to_string(&mut content).expect("Fail to read ServoArcTypeList.h");
// Remove comments
let block_comment_re = Regex::new(r#"(?s)/\*.*?\*/"#).unwrap();
let content = block_comment_re.replace_all(&content, "");
// Extract the list
let re = Regex::new(r#"^SERVO_ARC_TYPE\(\w+,\s*(\w+)\)$"#).unwrap();
content.lines().map(|line| line.trim()).filter(|line| !line.is_empty())
.map(|line| re.captures(&line)
.expect(&format!("Unrecognized line in ServoArcTypeList.h: '{}'", line))
.get(1).unwrap().as_str().to_string())
.collect()
}
pub fn generate_structs(build_type: BuildType) { pub fn generate_structs(build_type: BuildType) {
let mut builder = Builder::get_initial_builder(build_type) let mut builder = Builder::get_initial_builder(build_type)
.enable_cxx_namespaces() .enable_cxx_namespaces()
@ -600,15 +618,6 @@ mod bindings {
let array_types = [ let array_types = [
ArrayType { cpp_type: "uintptr_t", rust_type: "usize" }, ArrayType { cpp_type: "uintptr_t", rust_type: "usize" },
]; ];
let servo_nullable_arc_types = [
"ServoComputedValues",
"ServoCssRules",
"RawServoStyleSheet",
"RawServoDeclarationBlock",
"RawServoStyleRule",
"RawServoImportRule",
"RawServoAnimationValue",
];
struct ServoOwnedType { struct ServoOwnedType {
name: &'static str, name: &'static str,
opaque: bool, opaque: bool,
@ -646,7 +655,7 @@ mod bindings {
.raw_line(format!("pub type nsTArrayBorrowed_{}<'a> = &'a mut ::gecko_bindings::structs::nsTArray<{}>;", .raw_line(format!("pub type nsTArrayBorrowed_{}<'a> = &'a mut ::gecko_bindings::structs::nsTArray<{}>;",
cpp_type, rust_type)) cpp_type, rust_type))
} }
for &ty in servo_nullable_arc_types.iter() { for ty in get_arc_types().iter() {
builder = builder builder = builder
.hide_type(format!("{}Strong", ty)) .hide_type(format!("{}Strong", ty))
.raw_line(format!("pub type {0}Strong = ::gecko_bindings::sugar::ownership::Strong<{0}>;", ty)) .raw_line(format!("pub type {0}Strong = ::gecko_bindings::sugar::ownership::Strong<{0}>;", ty))