diff options
| -rw-r--r-- | bin/.gitignore | 1 | ||||
| -rw-r--r-- | bin/Makefile | 1 | ||||
| -rw-r--r-- | bin/c.sh | 83 | ||||
| -rw-r--r-- | bin/man1/c.1 | 40 |
4 files changed, 125 insertions, 0 deletions
diff --git a/bin/.gitignore b/bin/.gitignore index 540d14ec..96bd6068 100644 --- a/bin/.gitignore +++ b/bin/.gitignore @@ -4,6 +4,7 @@ aes beef bit bri +c config.mk dtch edit diff --git a/bin/Makefile b/bin/Makefile index c170d07b..d9cce459 100644 --- a/bin/Makefile +++ b/bin/Makefile @@ -21,6 +21,7 @@ LDLIBS.title = -lcurl BINS += aes BINS += beef BINS += bit +BINS += c BINS += dtch BINS += edit BINS += glitch diff --git a/bin/c.sh b/bin/c.sh new file mode 100644 index 00000000..f3e651ba --- /dev/null +++ b/bin/c.sh @@ -0,0 +1,83 @@ +#!/bin/sh +set -eu + +temp=$(mktemp -d) +trap 'rm -r "$temp"' EXIT + +exec 3>>"${temp}/run.c" + +cat >&3 <<EOF +#include <assert.h> +#include <ctype.h> +#include <errno.h> +#include <inttypes.h> +#include <limits.h> +#include <locale.h> +#include <math.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <wchar.h> +#include <wctype.h> + +#include <fcntl.h> +#include <strings.h> +#include <unistd.h> +EOF + +while getopts 'e:i:' opt; do + case "$opt" in + (e) expr=$OPTARG;; + (i) echo "#include <${OPTARG}>" >&3;; + (?) exit 1;; + esac +done +shift $((OPTIND - 1)) + +cat >&3 <<EOF +int main(int argc, char *argv[]) { + (void)argc; + (void)argv; + $*; +EOF + +if [ -n "${expr:-}" ]; then + cat >&3 <<EOF + printf( + _Generic( + ${expr}, + char *: "%s\n", + wchar_t *: "%ls\n", + signed char: "%hhd\n", + short: "%hd\n", + int: "%d\n", + long: "%ld\n", + long long: "%lld\n", + unsigned char: "%hhu\n", + unsigned short: "%hu\n", + unsigned int: "%u\n", + unsigned long: "%lu\n", + unsigned long long: "%llu\n", + double: "%g\n", + default: "%p\n" + ), + ${expr} + ); +EOF +fi + +if [ $# -eq 0 -a -z "${expr:-}" ]; then + cat >&3 +fi + +echo '}' >&3 + +cat >"${temp}/Makefile" <<EOF +CFLAGS += -Wall -Wextra -Wpedantic +EOF + +make -s -C "${temp}" run +"${temp}/run" diff --git a/bin/man1/c.1 b/bin/man1/c.1 new file mode 100644 index 00000000..3ae10945 --- /dev/null +++ b/bin/man1/c.1 @@ -0,0 +1,40 @@ +.Dd May 31, 2020 +.Dt C 1 +.Os +. +.Sh NAME +.Nm c +.Nd run C +. +.Sh SYNOPSIS +.Nm +.Op Fl e Ar expr +.Op Fl i Ar include +.Op Ar stmts ... +. +.Sh DESCRIPTION +The +.Nm +utility compiles and runs +C statements wrapped in +.Fn main +with common includes. +If no +.Ar expr +or +.Ar stmts +are provided, +statements are read from standard input. +. +.Pp +The arguments are as follows: +.Bl -tag -width Ds +.It Fl e Ar expr +Print the result of the C expression +.Ar expr +after executing +.Ar stmts . +.It Fl i Ar include +Add the include file +.Ar include . +.El |