forked from M-Labs/nac3
read input from file
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parent
10fd4d3c27
commit
05ac6fa2c1
13
src/main.rs
13
src/main.rs
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@ -16,6 +16,7 @@ use std::error::Error;
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use std::fmt;
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use std::path::Path;
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use std::collections::HashMap;
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use std::fs;
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#[derive(Debug)]
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enum CompileErrorKind {
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@ -54,7 +55,7 @@ struct CompileError {
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impl fmt::Display for CompileError {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "Compilation error at {}: {}", self.location, self.kind)
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write!(f, "{}, at {}", self.kind, self.location)
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}
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}
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@ -282,16 +283,20 @@ impl<'ctx> CodeGen<'ctx> {
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fn main() {
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Target::initialize_all(&InitializationConfig::default());
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let ast = match parser::parse_program("def foo(x: int32, y: int32) -> int32: return x + y") {
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let program = match fs::read_to_string("test.py") {
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Ok(program) => program,
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Err(err) => { println!("Cannot open input file: {}", err); return; }
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};
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let ast = match parser::parse_program(&program) {
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Ok(ast) => ast,
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Err(err) => { println!("{}", err); return; }
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Err(err) => { println!("Parse error: {}", err); return; }
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};
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let context = Context::create();
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let mut codegen = CodeGen::new(&context);
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match codegen.compile_toplevel(&ast.statements[0]) {
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Ok(_) => (),
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Err(err) => { println!("{}", err); return; }
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Err(err) => { println!("Compilation error: {}", err); return; }
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}
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codegen.output();
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}
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