4e64fc11c9
This avoids naming confusion with the standard `Result`, which is included in the prelude.
38 lines
998 B
Rust
38 lines
998 B
Rust
//! The `print-cfg` sub-command.
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//!
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//! Read a series of Cretonne IR files and print their control flow graphs
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//! in graphviz format.
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use std::borrow::Cow;
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use cretonne_codegen::cfg_printer::CFGPrinter;
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use cretonne_codegen::ir::Function;
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use cretonne_reader::TestCommand;
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use subtest::{self, Context, SubTest, SubtestResult as STResult};
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/// Object implementing the `test print-cfg` sub-test.
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struct TestPrintCfg;
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pub fn subtest(parsed: &TestCommand) -> STResult<Box<SubTest>> {
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assert_eq!(parsed.command, "print-cfg");
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if !parsed.options.is_empty() {
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Err(format!("No options allowed on {}", parsed))
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} else {
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Ok(Box::new(TestPrintCfg))
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}
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}
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impl SubTest for TestPrintCfg {
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fn name(&self) -> &'static str {
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"print-cfg"
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}
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fn needs_verifier(&self) -> bool {
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false
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}
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fn run(&self, func: Cow<Function>, context: &Context) -> STResult<()> {
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subtest::run_filecheck(&CFGPrinter::new(&func).to_string(), context)
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}
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}
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