From 500c310bccef09553fe3c27590f66994dda447b8 Mon Sep 17 00:00:00 2001
From: Allen Webster <yoyo4thdimention@gmail.com>
Date: Fri, 20 Aug 2021 23:45:00 -0700
Subject: [PATCH] setup new build script

---
 .gitignore                                 |   4 +-
 bin/bld_core.sh                            | 504 +++++++++++++++++++++
 bin/bld_init.sh                            |  31 ++
 bin/compiler_flags.txt                     |   2 +
 bin/linker_flags.txt                       |   1 +
 bin/local_defaults/default_compile_mode.sh |   2 +
 bin/local_defaults/default_compiler.sh     |   2 +
 bin/local_defaults/default_ctx.sh          |   2 +
 bin/local_defaults/default_linker.sh       |   2 +
 project.4coder                             |  12 +
 tests/sanity_tests.c                       |   2 +
 11 files changed, 563 insertions(+), 1 deletion(-)
 create mode 100644 bin/bld_core.sh
 create mode 100644 bin/bld_init.sh
 create mode 100644 bin/compiler_flags.txt
 create mode 100644 bin/linker_flags.txt
 create mode 100644 bin/local_defaults/default_compile_mode.sh
 create mode 100644 bin/local_defaults/default_compiler.sh
 create mode 100644 bin/local_defaults/default_ctx.sh
 create mode 100644 bin/local_defaults/default_linker.sh

diff --git a/.gitignore b/.gitignore
index 86c2c0b..adb64eb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,4 +9,6 @@
 *.lib
 *.exp
 build
-build/*
\ No newline at end of file
+build/*
+local
+local/*
\ No newline at end of file
diff --git a/bin/bld_core.sh b/bin/bld_core.sh
new file mode 100644
index 0000000..485ab2e
--- /dev/null
+++ b/bin/bld_core.sh
@@ -0,0 +1,504 @@
+#!/bin/bash
+
+###### Usage ##################################################################
+# TODO
+
+###### Get Paths ##############################################################
+og_path=$PWD
+cd "$(dirname "$0")"
+cd ..
+ root_path=$PWD
+  bin_path="$root_path/bin"
+local_path="$root_path/local"
+build_path="$root_path/build"
+  src_path="$root_path/source"
+
+
+###### Crack Operating System From Environment ################################
+os="undefined"
+if [ "$OSTYPE" == "win32" ] ||
+   [ "$OSTYPE" == "msys"  ]; then
+  os="windows"
+elif [ "$OSTYPE" == "linux-gnu" ]; then
+  os="linux"
+elif [ "$OSTYPE" == "darwin" ]; then
+  os="osx"
+fi
+
+
+###### Implicit Options #######################################################
+    compiler=$($local_path/compiler.sh)
+      linker=$($local_path/linker.sh)
+compile_mode=$($local_path/compile_mode.sh)
+         ctx=$($local_path/ctx.sh)
+
+implicit_opts=($out_name $compiler $linker $compile_mode $ctx $os)
+
+
+###### Object File Extension ##################################################
+dot_ext_obj=".obj"
+if [[ "$linker" == "clang" || "$linker" == "gcc" ]]; then
+  dot_ext_obj=".o"
+fi
+
+
+###### Binary File Extension ##################################################
+dot_ext_exe=""
+dot_ext_dll=""
+if [ "$os" == "windows" ]; then
+  dot_ext_exe=".exe"
+  dot_ext_dll=".dll"
+elif [ "$os" == "linux" ] || [ "$os" == "mac" ]; then
+  dot_ext_exe=""
+  dot_ext_dll=".so"
+else
+  echo "ERROR: binary extension not defined for OS: $os"
+fi
+
+###### Flags From Opts Function ###############################################
+
+function bld_flags_from_opts {
+  ###### parse arguments ####################################################
+  local in_file=$1
+  local opts=()
+  for ((i=2; i<=$#; i+=1)); do
+    opts+=(${!i})
+  done
+  
+  ###### load file ##########################################################
+  local flags_raw=()
+  IFS=$'\r\n' GLOBIGNORE='*' command eval 'flags_raw=($(cat $in_file))'
+  
+  ###### filter #############################################################
+  local flags=()
+  for ((i=0;i<${#flags_raw[@]};i+=1)); do
+    local flag=${flags_raw[i]}
+    
+    ###### skip blanks and comments #######################################
+    if [[ -z "${flag// }" ]]; then
+      continue
+    fi
+    if [[ "${flag:0:1}" == "#" ]]; then
+      continue
+    fi
+    
+    ###### parse line filters #############################################
+    local line_filters=()
+    while [[ $flag = *">"* ]]; do
+      line_filters+=("${flag%%>*}")
+      flag="${flag#*>}"
+    done
+    
+    ###### check filters ##################################################
+    local can_include=1
+    for ((j=0;j<${#line_filters[@]};j+=1)); do
+      can_include=0
+      for ((k=0;k<${#opts[@]};k+=1)); do
+        if [[ ${opts[k]} = ${line_filters[j]} ]]; then
+          can_include=1
+          break
+        fi
+      done
+      if [[ "$can_include" = "0" ]]; then
+        break
+      fi
+    done
+    if [[ "$can_include" = "1" ]]; then
+      flags+=("${flag}")
+    fi
+  done
+  
+  echo "${flags[@]}"
+}
+
+###### Opts From Src Function #################################################
+
+function bld_opts_from_src {
+  ###### Split File Into Lines ##############################################
+  local in_file=$1
+  local tokens=($(grep "//\\$" $in_file))
+  
+  ###### Parse ##############################################################
+  local in_params_range="0"
+  local params=()
+  for ((i=0; i<${#tokens[@]}; i+=1)); do
+    local string="${tokens[i]}"
+    if [[ "$in_params_range" == "0" ]]; then
+      if [[ "$string" == "//$" ]]; then
+        in_params_range="1"
+      fi
+    elif [[ "$in_params_range" == "1" ]]; then
+      if [[ "${string:0:2}" == "//" ]]; then
+        break
+      fi
+      params+=($string)
+    fi
+  done
+  
+  echo "${params[@]}"
+}
+
+###### Dedup Function #########################################################
+
+function bld_dedup {
+  ###### parse arguments ####################################################
+  local in=()
+  for ((i=1; i<=$#; i+=1)); do
+    in+=(${!i})
+  done
+  
+  ###### dedup ##############################################################
+  local out=()
+  for ((i=0; i<${#in[@]}; i+=1)); do
+    local string=${in[i]}
+    local is_dup="0"
+    for ((j=0; j<${#out[@]}; j+=1)); do
+      if [[ "$string" == "${out[j]}" ]]; then
+        is_dup="1"
+        break
+      fi
+    done
+    if [[ "$is_dup" == "0" ]]; then
+      out+=($string)
+    fi
+  done
+  
+  echo "${out[@]}"
+}
+
+###### Compile Function #######################################################
+
+function bld_compile {
+  ###### parse arguments ####################################################
+  local in_file=$1
+  local opts=()
+  for ((i=2; i<=$#; i+=1)); do
+      opts+=(${!i})
+  done
+  
+  if [ "$in_file" == "" ]; then
+    echo "lib: missing input file"
+    return 1
+  fi
+  
+  ###### finith in file #####################################################
+  local final_in_file=$root_path/$in_file
+  
+  ###### finish options #####################################################
+  local src_opts=($(bld_opts_from_src $final_in_file))
+  local all_opts=($(bld_dedup ${opts[@]} ${src_opts[@]}))
+  
+  ###### out file name ######################################################
+  local out_file_base=${final_in_file##*/}
+  local out_file_base_no_ext=${out_file_base%.*}
+  local out_file="$out_file_base_no_ext$dot_ext_obj"
+  
+  ###### feedback output ####################################################
+  echo "cmp $final_in_file -- ${all_opts[@]}"
+  echo ">>> $out_file"
+  
+  ###### get real flags #####################################################
+  local flags_file=$bin_path/compiler_flags.txt
+  local flags=$(bld_flags_from_opts $flags_file ${all_opts[@]})
+  
+  ###### move to output folder ##############################################
+  mkdir -p "$build_path"
+  cd $build_path
+  
+  ###### delete existing object file ########################################
+  rm -f "$out_file_base.o"
+  rm -f "$out_file_base.obj"
+  
+  ###### compile ############################################################
+  local all_flags="-c -I$src_path ${flags}"
+  $compiler "$final_in_file" $all_flags
+}
+
+###### Link Function ##########################################################
+
+function bld_link {
+  ###### parse arguments ####################################################
+  local out_name=$1
+  local in_files=()
+  for ((i=2; i<=$#; i+=1)); do
+    if [ "${!i}" == "--" ]; then
+      break
+    fi
+    in_files+=(${!i})
+  done
+  
+  local opts=()
+  for ((i+=1; i<=$#; i+=1)); do
+    opts+=(${!i})
+  done
+  
+  if [ "$out_name" == "" ]; then
+    echo "lib: missing output name"
+    return 1
+  fi
+  if [ "${#in_files}" == "0" ]; then
+    echo "lib: missing input file(s)"
+    return 1
+  fi
+  
+  ###### finish options #####################################################
+  local all_opts=($(bld_dedup ${opts[@]}))
+  
+  ###### sort in files ######################################################
+  local in_src=()
+  local in_obj=()
+  local in_lib=()
+  for ((i=0; i<${#in_files[@]}; i+=1)); do
+    local file="${in_files[i]}"
+    local ext="${file##*.}"
+    if [[ "$ext" == "c" || "$ext" == "cpp" ]]; then
+      in_src+=($file)
+    elif [[ "$ext" == "o" || "$ext" == "obj" ]]; then
+      in_obj+=($file)
+    elif [[ "$ext" == "lib" ]]; then
+      in_lib+=($file)
+    else
+      echo "WARNING: ignoring unrecognized file type $file"
+    fi
+  done
+  
+  ###### auto correct object files ##########################################
+  for ((i=0; i<${#in_obj[@]}; i+=1)); do
+    local file_name="${in_obj[i]}"
+    local base_name="${file_name%.*}"
+    in_obj[$i]="$base_name$dot_ext_obj"
+  done
+  
+  ###### compile source files ###############################################
+  for ((i=0; i<${#in_src[@]}; i+=1)); do
+    bld_compile "${in_src[i]}" ${all_opts[@]}
+    status=$?
+    if [ $status -ne 0 ]; then
+      exit $status
+    fi
+  done
+  
+  ###### intermediate object files ##########################################
+  local interm_obj=()
+  for ((i=0; i<${#in_src[@]}; i+=1)); do
+    local file_name="${in_src[i]}"
+    local base_name="${file_name##*/}"
+    local base_name_no_ext="${base_name%.*}"
+    interm_obj+=($base_name_no_ext$dot_ext_obj)
+  done
+  
+  ###### get real flags #####################################################
+  local flags_file=$bin_path/linker_flags.txt
+  local flags=$(bld_flags_from_opts $flags_file ${all_opts[@]})
+  
+  ###### link ###############################################################
+  local linker_kind="link"
+  if [ $linker == "clang" ]; then
+    linker_kind="clang"
+  fi
+  
+  ###### out file name ######################################################
+  local bin_kind="exe"
+  for ((i=0; i<${#all_opts[@]}; i+=1)); do
+    if [[ "${all_opts[i]}" == "dll" ]]; then
+      bin_kind="dll"
+      break
+    fi
+  done
+  
+  dot_ext_out="$dot_ext_exe"
+  if [ "$bin_kind" == "dll" ]; then
+    dot_ext_out="$dot_ext_dll"
+  fi
+  out_file="$out_name$dot_ext_out"
+  
+  ###### feedback output ####################################################
+  local final_in_files="${interm_obj[@]} ${in_obj[@]} ${in_lib[@]}"
+  echo "lnk $final_in_files -- ${all_opts[@]}"
+  echo ">>> $out_file"
+  
+  ###### move to output folder ##############################################
+  mkdir -p "$build_path"
+  cd $build_path
+  
+  ###### link ###############################################################
+  if [ "$linker_kind" == "link" ]; then
+    $linker -OUT:"$out_file" $flags $final_in_files
+  elif [ "$linker_kind" == "clang" ]; then
+    # TODO(allen): setup to use clang as the linker driver - much easier way
+    # thank trying to use the actual linker on unix
+    # NOTE(mal): You mean like this? (taking into account that $linker evaluates to clang)
+    $linker -o "$out_file" $flags $final_in_files
+  else
+    echo "ERROR: invokation not defined for this linker"
+    false
+  fi
+  status=$?
+  
+  return $status
+}
+
+###### Library Function #######################################################
+
+function bld_lib {
+  ###### parse arguments ####################################################
+  local out_name=$1
+  local in_files=()
+  for ((i=2; i<=$#; i+=1)); do
+    if [ "${!i}" == "--" ]; then
+      break
+    fi
+    in_files+=(${!i})
+  done
+  
+  local opts=()
+  for ((i+=1; i<=$#; i+=1)); do
+    opts+=(${!i})
+  done
+  
+  if [ "$out_name" == "" ]; then
+    echo "lib: missing output name"
+    return 1
+  fi
+  if [ "${#in_files}" == "0" ]; then
+    echo "lib: missing input file(s)"
+    return 1
+  fi
+  
+  ###### finish options #####################################################
+  local all_opts=($(bld_dedup ${opts[@]}))
+  
+  ###### sort in files ######################################################
+  local in_src=()
+  local in_obj=()
+  for ((i=0; i<${#in_files[@]}; i+=1)); do
+    local file="${in_files[i]}"
+    local ext="${file##*.}"
+    if [[ "$ext" == "c" || "$ext" == "cpp" ]]; then
+      in_src+=($file)
+    elif [[ "$ext" == "o" || "$ext" == "obj" ]]; then
+      in_obj+=($file)
+    else
+      echo "WARNING: ingnoring unrecgonized file type $file"
+    fi
+  done
+  
+  ###### auto correct object files ##########################################
+  for ((i=0; i<${#in_obj[@]}; i+=1)); do
+    local file_name="${in_obj[i]}"
+    local base_name="${file_name%.*}"
+    in_obj[$i]=$base_name$dot_ext_obj
+  done
+  
+  ###### compile source files ###############################################
+  for ((i=0; i<${#in_src[@]}; i+=1)); do
+    compile "${in_src[i]}" ${all_opts[@]}
+    local status=$?
+    if [ $status -ne 0 ]; then
+      return $status
+    fi
+  done
+  
+  ###### intermediate object files ##########################################
+  local interm_obj=()
+  for ((i=0; i<${#in_src[@]}; i+=1)); do
+    local file_name="${in_src[i]}"
+    local base_name="${file_name##*/}"
+    local base_name_no_ext="${base_name%.*}"
+    interm_obj+=($base_name_no_ext$dot_ext_obj)
+  done
+  
+  ###### out file name ######################################################
+  local out_file=""
+  if [ "$os" == "windows" ]; then
+    out_file="$out_name.lib"
+  elif [ "$os" == "linux" || "$os" == "mac" ]; then
+    out_file="lib$out_name.a"
+  else
+    echo "ERROR: static library output not defined for OS: $os"
+  fi
+  
+  ###### feedback output ####################################################
+  local final_in_files="${interm_obj[@]} ${in_obj[@]}"
+  echo "lib $final_in_files -- ${all_opts[@]}"
+  echo ">>> $out_file"
+  
+  ###### move to output folder ##############################################
+  mkdir -p "$build_path"
+  cd $build_path
+  
+  ###### build library ######################################################
+  if [ "$os" == "windows" ]; then
+    lib -nologo -OUT:"$out_file" $final_in_files
+  elif [ "$os" == "linux" || "$os" == "mac" ]; then
+    # TODO(allen): invoke ar here - make sure to delete the original .a first
+    # because ar does not (seem) to replace the output file, just append
+    echo "TODO: implement ar path in bld_core.sh:library"
+    false
+  else
+    echo "ERROR: static library invokation not defined for OS: $os"
+    false
+  fi
+  status=$?
+  
+  return $status
+}
+
+###### Unit Function ##########################################################
+
+function bld_unit {
+  ###### parse arguments ####################################################
+  local out_name=$1
+  local main_file=$2
+  in_files=()
+  for ((i=3; i<=$#; i+=1)); do
+      if [ "${!i}" == "--" ]; then
+          break
+      fi
+      in_files+=(${!i})
+  done
+  
+  if [ "$out_name" == "" ]; then
+    echo "unit: missing output name"
+    return 1
+  fi
+  if [ "$main_file" == "" ]; then
+    echo "unit: missing main file"
+    return 1
+  fi
+  
+  ###### finish options #####################################################
+  local src_opts=$(bld_opts_from_src $root_path/$main_file)
+  local all_opts=($(bld_dedup $out_name ${src_opts[@]} ${implicit_opts[@]}))
+  
+  ###### link ###############################################################
+  bld_link $out_name $main_file ${in_files[@]} -- ${all_opts[@]}
+  status=$?
+  
+  return $status
+}
+
+
+###### Control ################################################################
+command=$1
+args=()
+for ((i=2; i<=$#; i+=1)); do
+  args+=(${!i})
+done
+
+if [ "$command" == "compile" ]; then
+  bld_compile ${args[@]}
+elif [ "$command" == "link" ]; then
+  bld_link ${args[@]}
+elif [ "$command" == "lib" ]; then
+  bld_lib ${args[@]}
+elif [ "$command" == "unit" ]; then
+  echo bld_unit ${args[@]}
+  bld_unit ${args[@]}
+else
+  echo "'$command' not a recognized command"
+fi
+
+
+###### Restore Path ###########################################################
+cd $og_path
diff --git a/bin/bld_init.sh b/bin/bld_init.sh
new file mode 100644
index 0000000..6c6235e
--- /dev/null
+++ b/bin/bld_init.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+##### Declare The Local File Names ############################################
+local_file_names=(
+  compiler.sh
+  compile_mode.sh
+  ctx.sh
+  linker.sh
+)
+
+###### Get Paths ##############################################################
+og_path=$PWD
+cd "$(dirname "$0")"
+cd ..
+ root_path=$PWD
+  bin_path="$root_path/bin"
+local_path="$root_path/local"
+ defs_path="$bin_path/local_defaults"
+
+
+###### Copy Path ##############################################################
+rm -rf $local_path
+mkdir -p $local_path
+
+for ((i=0; i<${#local_file_names[@]}; i+=1)); do
+  file_name=${local_file_names[i]}
+  cp $defs_path/default_$file_name $local_path/$file_name
+done
+
+###### Restore Path ###########################################################
+cd $og_path
diff --git a/bin/compiler_flags.txt b/bin/compiler_flags.txt
new file mode 100644
index 0000000..32020ee
--- /dev/null
+++ b/bin/compiler_flags.txt
@@ -0,0 +1,2 @@
+###### Visual Studio Compiler #################################################
+cl>-nologo
\ No newline at end of file
diff --git a/bin/linker_flags.txt b/bin/linker_flags.txt
new file mode 100644
index 0000000..9b96278
--- /dev/null
+++ b/bin/linker_flags.txt
@@ -0,0 +1 @@
+###### TODO ###################################################################
\ No newline at end of file
diff --git a/bin/local_defaults/default_compile_mode.sh b/bin/local_defaults/default_compile_mode.sh
new file mode 100644
index 0000000..396278a
--- /dev/null
+++ b/bin/local_defaults/default_compile_mode.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+echo "debug"
diff --git a/bin/local_defaults/default_compiler.sh b/bin/local_defaults/default_compiler.sh
new file mode 100644
index 0000000..ee87b26
--- /dev/null
+++ b/bin/local_defaults/default_compiler.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+echo "cl"
\ No newline at end of file
diff --git a/bin/local_defaults/default_ctx.sh b/bin/local_defaults/default_ctx.sh
new file mode 100644
index 0000000..f86f380
--- /dev/null
+++ b/bin/local_defaults/default_ctx.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+echo "x64"
diff --git a/bin/local_defaults/default_linker.sh b/bin/local_defaults/default_linker.sh
new file mode 100644
index 0000000..ab6894a
--- /dev/null
+++ b/bin/local_defaults/default_linker.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+echo "lld-link"
diff --git a/project.4coder b/project.4coder
index 7a6e7a5..d40467b 100644
--- a/project.4coder
+++ b/project.4coder
@@ -50,8 +50,20 @@ command_list =
 			{ "build_with_clang.bat", .os = "win" },
 		},
 	},
+    {
+        .name = "bld_core test",
+        .out = "*compilation*",
+        .footer_panel = true,
+        .save_dirty_files = true,
+        .cursor_at_end = false,
+        .cmd =
+        {
+          { "git_bash bin\\bld_core.sh", .os = "win" },
+        },
+    },
 };
 
 fkey_command[1] = "build";
 fkey_command[2] = "build_with_clang";
 
+fkey_command[5] = "bld_core test";
diff --git a/tests/sanity_tests.c b/tests/sanity_tests.c
index 6534336..7008224 100644
--- a/tests/sanity_tests.c
+++ b/tests/sanity_tests.c
@@ -1,3 +1,5 @@
+//$ exe //
+
 #include "md.h"
 #include "md_c_helpers.h"