diff options
Diffstat (limited to 'dhall/src/semantics/parse.rs')
-rw-r--r-- | dhall/src/semantics/parse.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/dhall/src/semantics/parse.rs b/dhall/src/semantics/parse.rs new file mode 100644 index 0000000..ee35536 --- /dev/null +++ b/dhall/src/semantics/parse.rs @@ -0,0 +1,37 @@ +use std::fs::File; +use std::io::Read; +use std::path::Path; + +use crate::error::Error; +use crate::semantics::resolve::ImportRoot; +use crate::syntax::binary; +use crate::syntax::parse_expr; +use crate::Parsed; + +pub(crate) fn parse_file(f: &Path) -> Result<Parsed, Error> { + let mut buffer = String::new(); + File::open(f)?.read_to_string(&mut buffer)?; + let expr = parse_expr(&*buffer)?; + let root = ImportRoot::LocalDir(f.parent().unwrap().to_owned()); + Ok(Parsed(expr, root)) +} + +pub(crate) fn parse_str(s: &str) -> Result<Parsed, Error> { + let expr = parse_expr(s)?; + let root = ImportRoot::LocalDir(std::env::current_dir()?); + Ok(Parsed(expr, root)) +} + +pub(crate) fn parse_binary(data: &[u8]) -> Result<Parsed, Error> { + let expr = binary::decode(data)?; + let root = ImportRoot::LocalDir(std::env::current_dir()?); + Ok(Parsed(expr, root)) +} + +pub(crate) fn parse_binary_file(f: &Path) -> Result<Parsed, Error> { + let mut buffer = Vec::new(); + File::open(f)?.read_to_end(&mut buffer)?; + let expr = binary::decode(&buffer)?; + let root = ImportRoot::LocalDir(f.parent().unwrap().to_owned()); + Ok(Parsed(expr, root)) +} |