From 7bba6cd7612293796e905885f9ed3072877798ab Mon Sep 17 00:00:00 2001
From: davidovski <david@davidovski.xyz>
Date: Mon, 27 Jun 2022 01:14:42 +0100
Subject: added shmk, building all with shmk

---
 src/util/shmk.sh | 200 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 200 insertions(+)
 create mode 100755 src/util/shmk.sh

(limited to 'src/util/shmk.sh')

diff --git a/src/util/shmk.sh b/src/util/shmk.sh
new file mode 100755
index 0000000..0174857
--- /dev/null
+++ b/src/util/shmk.sh
@@ -0,0 +1,200 @@
+#!/bin/sh
+# 
+# A tool to build a single executable from a collection of shell scripts
+
+#include colors
+
+usage () {
+    cat << EOF
+${BLUE}Available Options:
+
+EOF
+}
+
+find_file () {
+    for p in $search_path; do 
+        for f in $p/$1.sh $p/$1; do 
+            $verbose \
+                && printf "${LIGHT_BLACK}checking: $f\n" 1>&2
+
+            [ -f "$f" ] && {
+                echo "$f" 
+                return 0
+            }
+        done
+    done
+    return 1
+}
+
+parse_lines () {
+    while IFS= read -r line; do 
+        case "$line" in 
+            "#include "*)
+                cat $(find_file ${line#\#include}) | parse_lines
+                ;;
+            "#>"*)
+                eval ${line#'#>'}
+                ;;
+            "#!"*)
+                printf "%s\n" "$line"
+                ;;
+            "#"*);;
+            *)
+                printf "%s\n" "$line"
+                ;;
+        esac
+    done 
+}
+
+build_shmk () {
+    [ -f "$1" ] || return 1
+    [ ! -z "$2" ] && output="$2"
+    [ -z "$output" ] && output=$(basename $1) 
+    output=${output%.*}
+
+    $clean && {
+        rm -f $output
+        exit
+    }
+
+    $verbose && echo "building $1 to $output"
+
+    [ ! -d "${output%/*}" ] && mkdir -p "${output%/*}"
+
+    cat $1 \
+        | parse_lines > ${output} &&
+    [ ! -z ${entry_function} ] && echo "$entry_function" >> ${output} 
+    chmod +x ${output}
+}
+
+interpret_shmk () {
+    . $1
+    local cmdlist=""
+
+    DIST="./dist"
+    PROGS="$PROGS $(sed -rn "s/^prog_(.*)\s*\(\)\s*\{/\1/p" $1)"
+    LIBS="$LIBS $(sed -rn "s/^lib_(.*)\s*\(\)\s*\{/\1/p" $1)"
+    CHECKS="$CHECKS $(sed -rn "s/^check_(.*)\s*\(\)\s*\{/\1/p" $1)"
+
+    shift
+    [ -z "$1" ] && set -- clean build check install
+    while [ ! -z "$1" ]; do 
+        case "$1" in
+            install)
+                for prog in $PROGS; do 
+                    prog=$(basename $prog)
+                    prog="${prog%.*}"
+                    cmdlist="$cmdlist
+                    install -Dm755 $DIST/$prog ${DESTDIR}/${PREFIX}/bin/$prog #Install program $prog"
+                done
+                for lib in $LIBS; do 
+                    lib=$(basename $lib)
+                    lib="${lib%.*}"
+                    cmdlist="$cmdlist
+                    install -Dm755 $DIST/$lib ${DESTDIR}/${PREFIX}/lib/$lib #Install library $lib"
+                done
+                ;;
+            clean)
+                [ -d "$DIST" ] && cmdlist="$cmdlist
+                rm -r $DIST #Clean"
+                ;;
+            check)
+                for check in $CHECKS; do
+                    command -v check_$check > /dev/null 2>&1 && cmdlist="$cmdlist
+                    check_$check #Check $check"
+                done
+                ;;
+            *) # build all programs
+                search_path="$DIST $search_path"
+
+                for lib in $LIBS; do 
+                    name=$(basename $lib)
+                    build_cmd=lib_$lib
+                    command -v $build_cmd > /dev/null 2>&1 || {
+                        build_cmd="build_shmk $lib $DIST/$name"
+                    }
+                    cmdlist="$cmdlist
+                    $build_cmd #Build library $name"
+                done
+
+                for prog in $PROGS; do 
+                    name=$(basename $prog)
+                    build_cmd=prog_$prog
+                    command -v $build_cmd > /dev/null 2>&1 || {
+                        build_cmd="build_shmk $prog $DIST/$name"
+                    }
+                    cmdlist="$cmdlist
+                    $build_cmd #Build program $name"
+                done
+
+                # build all libs
+                ;;
+        esac
+        shift
+    done
+
+    local out len i
+    $verbose && out=/dev/stdout || out=/dev/null
+    len=$(($(echo "$cmdlist" | wc -l)-1))
+    i=-1
+    echo "$cmdlist" | while read -r cmd; do
+        i=$((i+1))
+        printf "${LIGHT_BLACK}[${LIGHT_BLUE}%s${LIGHT_BLACK}/${LIGHT_BLUE}%s${LIGHT_BLACK}] ${LIGHT_WHITE}%s${RESET}\n" "$i" "$len" "${cmd#*#}"
+        ${cmd%#*} 2>&1 > $out || {
+            printf "${RED}Error $?\n"
+            exit 1
+        }
+    done
+}
+
+search_path=".
+/usr/lib
+/usr/local/lib
+/usr/share/shmk
+"
+
+verbose=false
+clean=false
+
+while getopts ":e:I:o:chv" opt; do
+    case "${opt}" in 
+        e)
+            entry_function="$OPTARG"
+            ;;
+        o)
+            output="$OPTARG"
+            ;;
+        c)
+            clean=true
+            ;;
+        I)
+            search_path="$search_path
+            $OPTARG"
+            ;;
+        v)
+            verbose=true
+            ;;
+        h)
+            usage && exit 0
+            ;;
+    esac
+done
+
+shift $((OPTIND-1))
+
+[ -z $1 ] && {
+    exit 1
+}
+
+echo "$0 $*"
+[ -f "$1" ] && shebang="$(head -1 $1)"
+case "$shebang" in 
+    "#!"*"shmk"*)
+        interpret_shmk $@
+    ;;
+    *)
+        build_shmk $@
+    ;;
+esac
+
+
-- 
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