.TH "c3c" "1" "2024-10-27" "C3 Compiler" "User Commands"
.SH NAME
c3c \- Compiler for the C3 programming language

.SH SYNOPSIS
.B c3c
[\fIoptions\fR ...] \fIcommand\fR [\fIargs\fR ...]

.SH DESCRIPTION
.B c3c
is the compiler for the C3 language, providing commands for compilation, project
management, testing, and distribution. The available commands allow users to 
compile files, initialize projects, build targets, run benchmarks, clean build 
files, and more.

.SH COMMANDS
.PP
.B c3c compile 
\fIfile1\fR [\fIfile2\fR ...]
.RS
Compile files without a project into an executable.
.RE
.PP
.B c3c init 
\fIproject name\fR
.RS
Initialize a new project structure.
.RE
.PP
.B c3c init-lib 
\fIlibrary name\fR
.RS
Initialize a new library structure.
.RE
.PP
.B c3c build 
[\fItarget\fR]
.RS
Build the target in the current project.
.RE
.PP
.B c3c benchmark
.RS
Run the benchmarks in the current project.
.RE
.PP
.B c3c test
.RS
Run the unit tests in the current project.
.RE
.PP
.B c3c clean
.RS
Clean all build files.
.RE
.PP
.B c3c run 
[\fItarget\fR] [-- [\fIarg1\fR ...]]
.RS
Run (and build if needed) the target in the current project.
.RE
.PP
.B c3c dist 
[\fItarget\fR]
.RS
Clean and build a target for distribution.
.RE
.PP
.B c3c directives 
[\fItarget\fR]
.RS
Generate documentation for the target.
.RE
.PP
.B c3c bench 
[\fItarget\fR]
.RS
Benchmark a target.
.RE
.PP
.B c3c clean-run 
[\fItarget\fR] [-- [\fIarg1\fR ...]]
.RS
Clean, then run the target.
.RE
.PP
.B c3c compile-run 
\fIfile1\fR [\fIfile2\fR ...] [-- [\fIarg1\fR ...]]
.RS
Compile files then immediately run the result.
.RE
.PP
.B c3c compile-only 
\fIfile1\fR [\fIfile2\fR ...]
.RS
Compile files but do not perform linking.
.RE
.PP
.B c3c compile-benchmark 
\fIfile1\fR [\fIfile2\fR ...]
.RS
Compile files into an executable and run benchmarks.
.RE
.PP
.B c3c compile-test 
\fIfile1\fR [\fIfile2\fR ...]
.RS
Compile files into an executable and run unit tests.
.RE
.PP
.B c3c static-lib 
\fIfile1\fR [\fIfile2\fR ...]
.RS
Compile files without a project into a static library.
.RE
.PP
.B c3c dynamic-lib 
\fIfile1\fR [\fIfile2\fR ...]
.RS
Compile files without a project into a dynamic library.
.RE
.PP
.B c3c headers 
\fIfile1\fR [\fIfile2\fR ...]
.RS
Analyze files and generate C headers for public methods.
.RE
.PP
.B c3c vendor-fetch 
\fIlibrary\fR ...
.RS
Fetch one or more libraries from the vendor collection.
.RE
.PP
.B c3c project 
\fIsubcommand\fR ...
.RS
Manipulate or view project files.
.RE

.SH OPTIONS
.PP
.B --stdlib 
\fIdir\fR
.RS
Use this directory as the C3 standard library path.
.RE
.PP
.B --no-entry
.RS
Do not generate (or require) a main function.
.RE
.PP
.B --libdir 
\fIdir\fR
.RS
Add this directory to the C3 library search paths.
.RE
.PP
.B --lib 
\fIname\fR
.RS
Add this library to the compilation.
.RE
.PP
.B --path 
\fIdir\fR
.RS
Use this as the base directory for the current command.
.RE
.PP
.B --template 
\fItemplate\fR
.RS
Select template for 'init': "exe", "static-lib", "dynamic-lib" or a path.
.RE
.PP
.B --about
Prints a short description of C3.
.PP
.B --symtab 
\fIvalue\fR
.RS
Sets the preferred symtab size.
.RE
.PP
.B --max-mem 
\fIvalue\fR
.RS
Sets the preferred max memory size.
.RE
.PP
.B --run-once
.RS
After running the output file, delete it immediately.
.RE
.PP
.B -V, --version
Print version information.
.PP
.B -E
Lex only.
.PP
.B -P
Only parse and output the AST as JSON.
.PP
.B -C
Only lex, parse and check.
.PP
.B -
\fIcode\fR...
.RS
Read code from standard in.
.RE
.PP
.B -o 
\fIfile\fR
.RS
Write output to \fIfile\fR.
.RE
.PP
.B -O0
Safe, no optimizations, emit debug info.
.PP
.B -O1
Safe, high optimization, emit debug info.
.PP
.B -O2
Unsafe, high optimization, emit debug info.
.PP
.B -O3
Unsafe, high optimization, single module, emit debug info.
.PP
.B -O4
Unsafe, highest optimization, relaxed maths, single module, emit debug info, no panic messages.
.PP
.B -O5
Unsafe, highest optimization, fast maths, single module, emit debug info, no panic messages, no backtrace.
.PP
.B -Os
Unsafe, high optimization, small code, single module, no debug info, no panic messages.
.PP
.B -Oz
Unsafe, high optimization, tiny code, single module, no debug info, no panic messages, no backtrace.
.PP
.B -D 
\fIname\fR
.RS
Add feature flag \fIname\fR.
.RE
.PP
.B -U 
\fIname\fR
.RS
Remove feature flag \fIname\fR.
.RE
.PP
.B --trust=
\fIoption\fR
.RS
Trust level: none (default), include ($include allowed), full ($exec / exec allowed).
.RE
.PP
.B --output-dir 
\fIdir\fR
.RS
Override general output directory.
.RE
.PP
.B --threads 
\fInumber\fR
.RS
Set the number of threads to use for compilation.
.RE
.PP
.B --show-backtrace=
\fIyes|no\fR
.RS
Show detailed backtrace on segfaults.
.RE

.PP
.B -g
Emit debug info.
.PP
.B -g0
Emit no debug info.


.PP
.B -l 
\fIlibrary\fR
.RS
Link with the library provided.
.RE
.PP
.B -L 
\fIlibrary\fR \fIdir\fR
.RS
Append the directory to the linker search paths.
.RE
.PP
.B -z 
\fIargument\fR
.RS
Send the \fIargument\fR as a parameter to the linker.
.RE
.PP
.B --cc 
\fIpath\fR
.RS
Set C compiler (for C files in projects and use as system linker).
.RE
.PP
.B --linker=
\fIoption\fR [\fIpath\fR]
.RS
Specify the linker: builtin, cc, custom (default is 'cc'). 'Custom' requires a path.
.RE

.PP
.B --use-stdlib=
\fIyes|no\fR
.RS
Include the standard library (default: yes).
.RE
.PP
.B --link-libc=
\fIyes|no\fR
.RS
Link libc and other default libraries (default: yes).
.RE
.PP
.B --emit-stdlib=
\fIyes|no\fR
.RS
Output files for the standard library (default: yes).
.RE
.PP
.B --panicfn 
\fIname\fR
.RS
Override the panic function name.
.RE
.PP
.B --testfn 
\fIname\fR
.RS
Override the test runner function name.
.RE
.PP
.B --benchfn 
\fIname\fR
.RS
Override the benchmark runner function name.
.RE

.PP
.B --reloc=
\fIoption\fR
.RS
Specify the relocation model: none, pic, PIC, pie, PIE.
.RE
.PP
.B --x86cpu=
\fIoption\fR
.RS
Set general level of x64 CPU: baseline, ssse3, sse4, avx1, avx2-v1, avx2-v2 (Skylake/Zen1+), avx512 (Icelake/Zen4+), native.
.RE
.PP
.B --x86vec=
\fIoption\fR
.RS
Set maximum type of vector use: none, mmx, sse, avx, avx512, default.
.RE
.PP
.B --riscvfloat=
\fIoption\fR
.RS
Set type of RISC-V float support: none, float, double.
.RE
.PP
.B --memory-env=
\fIoption\fR
.RS
Set the memory environment: normal, small, tiny, none.
.RE
.PP
.B --strip-unused=
\fIyes|no\fR
.RS
Strip unused code and globals from the output (default: yes).
.RE
.PP
.B --fp-math=
\fIoption\fR
.RS
Specify floating-point math behavior: strict, relaxed, fast.
.RE
.PP
.B --win64-simd=
\fIoption\fR
.RS
Windows SIMD ABI: array, full.
.RE

.PP
.B --debug-stats
Print debug statistics.
.PP
.B --print-linking
Print linker arguments.
.PP
.B --debug-log
Print debug logging to stdout.


.PP
.B --benchmarking
Run built-in benchmarks.
.PP
.B --testing
Run built-in tests.


.PP
.B --list-attributes
List all attributes.
.PP
.B --list-builtins
List all builtins.
.PP
.B --list-keywords
List all keywords.
.PP
.B --list-operators
List all operators.
.PP
.B --list-precedence
List operator precedence order.
.PP
.B --list-project-properties
List all available keys used in project.json files.
.PP
.B --list-manifest-properties
List all available keys used in manifest.json files.
.PP
.B --list-targets
List all architectures the compiler supports.
.PP
.B --list-type-properties
List all type properties.


.PP
.B --print-output
Print the object files created to stdout.
.PP
.B --print-input
Print inputted C3 files to stdout.


.PP
.B --winsdk 
\fIdir\fR
.RS
Set the directory for Windows system library files for cross-compilation.
.RE
.PP
.B --wincrt=
\fIoption\fR
.RS
Windows CRT linking: none, static-debug, static, dynamic-debug (default if debug info enabled), dynamic (default).
.RE
.PP
.B --windef 
\fIfile\fR
.RS
Use Windows 'def' file for function exports instead of 'dllexport'.
.RE

.PP
.B --macossdk 
\fIdir\fR
.RS
Set the directory for the MacOS SDK for cross-compilation.
.RE
.PP
.B --macos-min-version 
\fIver\fR
.RS
Set the minimum MacOS version to compile for.
.RE
.PP
.B --macos-sdk-version 
\fIver\fR
.RS
Set the MacOS SDK version to compile for.
.RE

.PP
.B --linux-crt 
\fIdir\fR
.RS
Set the directory to use for finding crt1.o and related files.
.RE
.PP
.B --linux-crtbegin 
\fIdir\fR
.RS
Set the directory to use for finding crtbegin.o and related files.
.RE

.PP
.B --vector-conv=
\fIoption\fR
.RS
Set vector conversion behavior: default, old.
.RE
.PP
.B --sanitize=
\fIoption\fR
.RS
Enable a sanitizer: address, memory, thread.
.RE

.SH EXAMPLES
.PP
Create a project:
.RS
.B c3c init new_project
.RE
.PP
Create a library project:
.RS
.B c3c init-lib new_library
.RE
.PP
Compile a file:
.RS
.B c3c compile main.c3
.RE
.PP
Build the current project:
.RS
.B c3c build
.RE
.PP
Run tests for the current project:
.RS
.B c3c test
.RE