update/expand parser examples

1 files changed, 34 insertions, 0 deletions

diff --git a/modelica-parser-lalrpop/examples/parse_file.rs b/modelica-parser-lalrpop/examples/parse_file.rs
new file mode 100644
index 0000000..1eb4e65
--- /dev/null
+++ b/modelica-parser-lalrpop/examples/parse_file.rs
@@ -0,0 +1,34 @@
+
+extern crate modelica_parser;
+
+use std::env;
+use std::io::Read;
+use std::fs::File;
+use std::process::exit;
+
+
+fn main() {
+
+    let args: Vec<String> = env::args().collect();
+
+    if args.len() <= 1 {
+        println!("I'm a modelica parser! Pass me one or more files to parse...");
+        exit(-1);
+    }
+
+    for input in &args[1..] {
+        let mut s = String::new();
+        if let Err(err) = File::open(input).and_then(|mut f| f.read_to_string(&mut s)) {
+            println!("=== {}: I/O Error {}",
+                     input, err);
+            continue;
+        }
+
+        let result = modelica_parser::parser::parse_model(&s);
+
+        match result {
+            Ok(_) => println!("=== {}: OK", input),
+            Err(err) => println!("=== {}: ERROR\n{}", input, modelica_parser::pp_parseerror(&s, err)),
+        }
+    }
+}