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Refactor the constants

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Muhammad Mominul Huque 2018-10-16 00:54:27 +06:00
parent ce73df065f
commit 9d9e637ef3
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GPG key ID: 9D472E8B36098956
3 changed files with 19 additions and 20 deletions
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16
crates/tools/src/lib.rs
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@ -8,13 +8,19 @@ extern crate heck;
use std::{
collections::HashMap,
fs,
path::Path,
path::{Path, PathBuf},
};
use itertools::Itertools;
use heck::{CamelCase, ShoutySnakeCase, SnakeCase};
pub type Result<T> = ::std::result::Result<T, failure::Error>;
const GRAMMAR: &str = "ra_syntax/src/grammar.ron";
pub const SYNTAX_KINDS: &str = "ra_syntax/src/syntax_kinds/generated.rs";
pub const SYNTAX_KINDS_TEMPLATE: &str = "ra_syntax/src/syntax_kinds/generated.rs.tera";
pub const AST: &str = "ra_syntax/src/ast/generated.rs";
pub const AST_TEMPLATE: &str = "ra_syntax/src/ast/generated.rs.tera";
#[derive(Debug)]
pub struct Test {
pub name: String,
@ -71,9 +77,9 @@ pub fn update(path: &Path, contents: &str, verify: bool) -> Result<()> {
Ok(())
}
pub fn render_template(template: &str) -> Result<String> {
pub fn render_template(template: PathBuf) -> Result<String> {
let grammar: ron::value::Value = {
let text = fs::read_to_string(format!("{}{}", Path::new(&std::env::var("CARGO_MANIFEST_DIR").unwrap()).parent().unwrap().to_str().unwrap(), "/ra_syntax/src/grammar.ron"))?;
let text = fs::read_to_string(project_root().join(GRAMMAR))?;
ron::de::from_str(&text)?
};
let template = fs::read_to_string(template)?;
@ -108,3 +114,7 @@ pub fn render_template(template: &str) -> Result<String> {
Ok(tera::Value::Array(elements))
}
}
pub fn project_root() -> PathBuf {
Path::new(&std::env::var("CARGO_MANIFEST_DIR").unwrap()).parent().unwrap().to_path_buf()
}