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Enable object file and executable output
* Added C-derived main code generation, using clang * Use llc and clang for object files and executables * Added cli shorthand flags for convenience * Removed lit crate dependency and tests * Refactored code and tests * Version bump
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| // Copyright 2024, Giordano Salvador | ||
| // SPDX-License-Identifier: BSD-3-Clause | ||
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| use crate::exit_code; | ||
| use exit_code::exit; | ||
| use exit_code::ExitCode; | ||
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| use std::io::Write; | ||
| use std::process; | ||
| use std::process::Stdio; | ||
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| pub struct CommandResult { | ||
| pub success: bool, | ||
| pub stdout: Option<String>, | ||
| } | ||
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|
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| impl CommandResult { | ||
| pub fn new(success: bool, stdout: Option<String>) -> Self { | ||
| CommandResult{success, stdout} | ||
| } | ||
| } | ||
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| pub struct Command {} | ||
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| impl Command { | ||
| pub fn run(bin: &str, args: &[&str]) -> CommandResult { | ||
| let output = match process::Command::new(bin).args(args.iter()).output() { | ||
| Ok(output) => output, | ||
| Err(msg) => { | ||
| eprintln!("Failed to run with {}: {}", bin, msg); | ||
| exit(ExitCode::CommandError); | ||
| }, | ||
| }; | ||
| let stderr: &[u8] = output.stderr.as_slice(); | ||
| let stdout: &[u8] = output.stdout.as_slice(); | ||
| if !stderr.is_empty() { | ||
| eprintln!("{} stderr:\n{}", bin, std::str::from_utf8(stderr).unwrap()); | ||
| } | ||
| let stdout_opt = if !stdout.is_empty() { | ||
| Some(std::str::from_utf8(stdout).unwrap().to_string()) | ||
| } else { | ||
| None | ||
| }; | ||
| CommandResult::new(output.status.success(), stdout_opt) | ||
| } | ||
|
|
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| pub fn run_with_input(bin: &str, args: &[&str], input: &str) -> CommandResult { | ||
| let mut proc = match process::Command::new(bin) | ||
| .args(args.iter()) | ||
| .stdin(Stdio::piped()) | ||
| .spawn() { | ||
| Ok(proc) => proc, | ||
| Err(msg) => { | ||
| eprintln!("Failed to spawn {} child process: {}", bin, msg); | ||
| exit(ExitCode::CommandError); | ||
| }, | ||
| }; | ||
| let proc_stdin = match proc.stdin.as_mut() { | ||
| Some(stdin) => stdin, | ||
| None => { | ||
| eprintln!("Failed to get {} process stdin handle", bin); | ||
| exit(ExitCode::CommandError); | ||
| }, | ||
| }; | ||
| match proc_stdin.write_all(input.as_bytes()) { | ||
| Ok(()) => (), | ||
| Err(msg) => { | ||
| eprintln!("Failed to write input to {} process stdin: {}", bin, msg); | ||
| exit(ExitCode::CommandError); | ||
| }, | ||
| }; | ||
| let output = match proc.wait_with_output() { | ||
| Ok(output) => output, | ||
| Err(msg) => { | ||
| eprintln!("Failed to run with {}: {}", bin, msg); | ||
| exit(ExitCode::CommandError); | ||
| }, | ||
| }; | ||
| let stderr: &[u8] = output.stderr.as_slice(); | ||
| let stdout: &[u8] = output.stdout.as_slice(); | ||
| if !stderr.is_empty() { | ||
| eprintln!("{} stderr:\n{}", bin, std::str::from_utf8(stderr).unwrap()); | ||
| } | ||
| let stdout_opt = if !stdout.is_empty() { | ||
| Some(std::str::from_utf8(stdout).unwrap().to_string()) | ||
| } else { | ||
| None | ||
| }; | ||
| CommandResult::new(output.status.success(), stdout_opt) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| // Copyright 2024, Giordano Salvador | ||
| // SPDX-License-Identifier: BSD-3-Clause | ||
|
|
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| /// Description: A C-stub used to generate the main module for linking during compile time. | ||
| /// Values prefixed by `@@` are expected inputs from the compiler for text substitution. | ||
| /// Inputs: | ||
| /// * NUM_ARGS : a `usize` for the length of the parameters list | ||
| /// * USAGE_ARGS : a comma separated list of args for the usage prompt | ||
| /// : (e.g., <arg0>, <arg1>, ... | ||
| /// * PARAM_TYPES_LIST : a comma separated list of types for the callee prototype | ||
| /// * PARAM_DECLS_LIST : a sequence of statements assigning temporaries for the callee | ||
| /// (e.g., const t_i64 p0 = (t_i64)atoll(argv[BASE + 0]); ... ) | ||
| /// * PARAMS_LIST : a comma separated list of uses of the temporaries for the callee | ||
| /// (e.g., p0, p1, ... ) | ||
|
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| #include <stdio.h> | ||
| #include <stdlib.h> | ||
|
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| #define BASE 1 | ||
| #define NUM_ARGS @@NUM_ARGS | ||
| #define USAGE "<exe> @@USAGE_ARGS\n" | ||
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| typedef long long t_i64; | ||
| extern t_i64 calcc_main(@@PARAM_TYPES_LIST); | ||
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| int main(int argc, char **argv) { | ||
| if (argc != BASE + NUM_ARGS) { | ||
| (void) fprintf(stderr, "Invalid number of args to main. Expected %d args\n", NUM_ARGS); | ||
| (void) fprintf(stderr, USAGE); | ||
| return 1; | ||
| } | ||
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| /* Parameter declaration section: */ | ||
| @@PARAM_DECLS_LIST | ||
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| /* Function call section: */ | ||
| const t_i64 result = calcc_main(@@PARAMS_LIST); | ||
| (void) printf("calcc_main result: %lld\n", result); | ||
|
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| return 0; | ||
| } |
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