changed contrib project name for clarity

2019-08-27 15:50:47 -07:00
parent b12a5b9117
commit 517aeb89dc
9 changed files with 0 additions and 0 deletions
@@ -0,0 +1,111 @@
+#!/bin/bash
+
+# Tool to bundle multiple C/C++ source files, inlining any includes.
+# 
+# TODO: ROOTS and FOUND as arrays (since they fail on paths with spaces)
+
+# Common file roots
+ROOTS="./"
+
+# Files previously visited
+FOUND=""
+
+# Optional destination file (empty string to write to stdout)
+DESTN=""
+
+# Prints the script usage then exits
+function usage {
+  echo "Usage: $0 [-r <path>] [-o <outfile>] infile"
+  echo "  -r file root search paths"
+  echo "  -o output file (otherwise stdout)"
+  echo "Example: $0 -r ../my/path - r ../other/path -o out.c in.c"
+  exit 1
+}
+
+# Tests if list $1 has item $2
+function list_has_item {
+  local list="$1"
+  local item="$2"
+  if [[ $list =~ (^|[[:space:]]*)"$item"($|[[:space:]]*) ]]; then
+    return 0
+  fi
+  return 1
+}
+
+# Adds a new line with the supplied arguments to $DESTN (or stdout)
+function write_line {
+  if [ -n "$DESTN" ]; then
+    printf "%s\n" "$@" >> "$DESTN"
+  else
+    printf "%s\n" "$@"
+  fi
+}
+
+# Adds the contents of $1 with any of its includes inlined
+function add_file {
+  # Match the path
+  local file=
+  if [ -f "$1" ]; then
+    file="$1"
+  else
+    for root in $ROOTS; do
+      if test -f "$root/$1"; then
+        file="$root/$1"
+      fi
+    done
+  fi
+  if [ -n "$file" ]; then
+    # Read the file
+    local line
+    while IFS= read -r line; do
+      if [[ $line =~ ^[[:space:]]*\#[[:space:]]*include[[:space:]]*\"(.*)\".* ]]; then
+        # We have an include directive
+        local inc=${BASH_REMATCH[1]}
+        if ! `list_has_item "$FOUND" "$inc"`; then
+          # And we've not previously encountered it
+          FOUND="$FOUND $inc"
+          write_line "/**** start inlining $inc ****/"
+          add_file "$inc"
+          write_line "/**** ended inlining $inc ****/"
+        else
+          write_line "/**** skipping file: $inc ****/"
+        fi
+      else
+        # Otherwise write the source line
+        write_line "$line"
+      fi
+    done < "$file"
+  else
+    write_line "#error Unable to find \"$1\""
+  fi
+}
+
+while getopts ":r:o:" opts; do
+  case $opts in
+  r)
+    ROOTS="$OPTARG $ROOTS"
+    ;;
+  o)
+    DESTN="$OPTARG"
+    ;;
+  *)
+    usage
+    ;;
+  esac
+done
+shift $((OPTIND-1))
+
+if [ -n "$1" ]; then
+  if [ -f "$1" ]; then
+    if [ -n "$DESTN" ]; then
+      printf "" > "$DESTN"
+    fi
+    add_file $1
+  else
+    echo "Input file not found: '$1'"
+    exit 1
+  fi
+else
+  usage
+fi
+exit 0