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Copy pathgen.sh
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317 lines (279 loc) · 9.85 KB
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#!/bin/bash
DEF_FILE="project.def"
OUT_FILE="objs.mk"
# Associative arrays to store configuration
declare -A DIR_GLOBS
declare -A DIR_EXCLUDES
declare -a DIR_ORDER
declare -A DIR_PATHS
declare -A DIR_EXTRA_FLAGS
declare -a TARGETS_TYPE
declare -a TARGETS_NAME
declare -A TARGETS_DIRS
declare -A TARGETS_FLAGS
declare -A TARGETS_LIBS
declare -A TARGETS_DEPS
declare -A TARGET_TYPE_MAP
# Helper to sanitize strings for Make variable names (replace /, ., - with _)
sanitize_var() {
echo "$1" | tr '/.-' '___'
}
# --- 1. Parse project.def ---
CURRENT_DIR=""
CURRENT_TARGET=""
CONTEXT_TYPE=""
while read -r line; do
# Skip comments and empty lines
[[ "$line" =~ ^#.*$ ]] && continue
[[ -z "$line" ]] && continue
# Read tokens
read -r cmd arg1 arg2 <<< "$line"
case "$cmd" in
dir)
# Usage: dir <name> <path> <glob>
# Example: dir core src/foo *.c
# Also supports: dir NAME=PATH GLOB
if [[ "$arg1" == *"="* ]]; then
CURRENT_DIR="${arg1%%=*}"
PATH_VAL="${arg1##*=}"
GLOB_VAL="$arg2"
else
CURRENT_DIR="$arg1"
read -r PATH_VAL GLOB_VAL <<< "$arg2"
fi
DIR_PATHS["$CURRENT_DIR"]="$PATH_VAL"
DIR_GLOBS["$CURRENT_DIR"]="$GLOB_VAL"
DIR_ORDER+=("$CURRENT_DIR")
CONTEXT_TYPE="dir"
;;
exclude)
# Usage: exclude <glob>
# Applies to the most recently defined directory
if [[ -n "$CURRENT_DIR" ]]; then
EXISTING="${DIR_EXCLUDES[$CURRENT_DIR]}"
if [[ -n "$EXISTING" ]]; then
DIR_EXCLUDES["$CURRENT_DIR"]="$EXISTING $arg1 $arg2"
else
DIR_EXCLUDES["$CURRENT_DIR"]="$arg1 $arg2"
fi
fi
;;
add)
if [[ -n "$CURRENT_DIR" ]]; then
EXISTING="${DIR_GLOBS[$CURRENT_DIR]}"
if [[ -n "$EXISTING" ]]; then
DIR_GLOBS["$CURRENT_DIR"]="$EXISTING $arg1 $arg2"
else
DIR_GLOBS["$CURRENT_DIR"]="$arg1 $arg2"
fi
fi
;;
flags)
if [[ "$CONTEXT_TYPE" == "target" && -n "$CURRENT_TARGET" ]]; then
EXISTING="${TARGETS_FLAGS[$CURRENT_TARGET]}"
if [[ -n "$EXISTING" ]]; then
TARGETS_FLAGS["$CURRENT_TARGET"]="$EXISTING $arg1 $arg2"
else
TARGETS_FLAGS["$CURRENT_TARGET"]="$arg1 $arg2"
fi
elif [[ -n "$CURRENT_DIR" ]]; then
EXISTING="${DIR_EXTRA_FLAGS[$CURRENT_DIR]}"
if [[ -n "$EXISTING" ]]; then
DIR_EXTRA_FLAGS["$CURRENT_DIR"]="$EXISTING $arg1 $arg2"
else
DIR_EXTRA_FLAGS["$CURRENT_DIR"]="$arg1 $arg2"
fi
fi
;;
libs)
if [[ "$CONTEXT_TYPE" == "target" && -n "$CURRENT_TARGET" ]]; then
EXISTING="${TARGETS_LIBS[$CURRENT_TARGET]}"
if [[ -n "$EXISTING" ]]; then
TARGETS_LIBS["$CURRENT_TARGET"]="$EXISTING $arg1 $arg2"
else
TARGETS_LIBS["$CURRENT_TARGET"]="$arg1 $arg2"
fi
fi
;;
dep)
if [[ -n "$CURRENT_TARGET" && -n "$arg1" ]]; then
# arg2 captures all remaining arguments (e.g. "dep libA libB")
NEW_DEPS="$arg1"
[[ -n "$arg2" ]] && NEW_DEPS="$NEW_DEPS $arg2"
EXISTING="${TARGETS_DEPS[$CURRENT_TARGET]}"
if [[ -n "$EXISTING" ]]; then
TARGETS_DEPS["$CURRENT_TARGET"]="$EXISTING $NEW_DEPS"
else
TARGETS_DEPS["$CURRENT_TARGET"]="$NEW_DEPS"
fi
fi
;;
exe|lib|dll)
# Usage: exe <name> <dir1> <dir2> ...
# We need to capture all remaining arguments as directories
DIRS="$arg2"
TARGETS_TYPE+=("$cmd")
TARGETS_NAME+=("$arg1")
TARGETS_DIRS["$arg1"]="$DIRS"
CURRENT_TARGET="$arg1"
TARGET_TYPE_MAP["$arg1"]="$cmd"
CONTEXT_TYPE="target"
;;
esac
done < "$DEF_FILE"
# --- 2. Generate objs.mk ---
echo "# Generated by gen.sh on $(date)" > "$OUT_FILE"
echo "" >> "$OUT_FILE"
ALL_TARGETS=""
# Process Directories
for d in "${DIR_ORDER[@]}"; do
PATH_VAL="${DIR_PATHS[$d]}"
GLOB="${DIR_GLOBS[$d]}"
EXCLUDES="${DIR_EXCLUDES[$d]}"
EXTRA_FLAGS="${DIR_EXTRA_FLAGS[$d]}"
SANITIZED_DIR=$(sanitize_var "$d")
echo "# --- Directory: $d ($PATH_VAL) ---" >> "$OUT_FILE"
#if [[ -n "$EXCLUDES" ]]; then
# echo "DEBUG: Directory $d exclusions: $EXCLUDES"
#fi
# Find source files
# We use find with maxdepth 1 to simulate globbing in that specific dir
# Then we filter exclusions
# Construct find command
# Note: We assume the script runs in the project root
FIND_ARGS=()
if [[ -n "$GLOB" ]]; then
FIND_ARGS+=("(")
FIRST=1
set -f
for g in $GLOB; do
[[ $FIRST -eq 0 ]] && FIND_ARGS+=("-o")
FIND_ARGS+=("-name" "$g")
FIRST=0
done
set +f
FIND_ARGS+=(")")
fi
#echo "DEBUG: Executing: find \"$PATH_VAL\" -maxdepth 1 ${FIND_ARGS[*]} -type f"
FILES=$(find "$PATH_VAL" -maxdepth 1 "${FIND_ARGS[@]}" -type f | sort)
OBJ_LIST=""
for f in $FILES; do
BASENAME=$(basename "$f")
# Check exclusions
SKIP=0
for exc in $EXCLUDES; do
# Use bash pattern matching
if [[ "$BASENAME" == $exc ]]; then
#echo "DEBUG: Skipping $BASENAME (matches $exc)"
SKIP=1
break
fi
done
if [[ $SKIP -eq 1 ]]; then
continue
fi
# Determine Object Path (use logical name)
OBJ="objs/${d}/${BASENAME%.*}.o"
DIR_PATH=$(dirname "$OBJ")
# Add to list
OBJ_LIST="$OBJ_LIST $OBJ"
# Determine Compiler based on extension
EXT="${f##*.}"
COMPILER="\$(CC)"
FLAGS="\$(CFLAGS)"
if [[ "$EXT" == "cpp" || "$EXT" == "cc" || "$EXT" == "C" ]]; then
COMPILER="\$(CXX)"
FLAGS="\$(CXXFLAGS)"
fi
# Write Build Rule
# We use explicit rules to allow per-directory flags
echo "$OBJ: $f" >> "$OUT_FILE"
echo -e "\t@mkdir -p $DIR_PATH" >> "$OUT_FILE"
echo -e "\t$COMPILER $FLAGS \$(CPPFLAGS) -I$PATH_VAL $EXTRA_FLAGS \$(DIR_${SANITIZED_DIR}_CPPFLAGS) \$(DIR_${SANITIZED_DIR}_CFLAGS) -c $f -o $OBJ" >> "$OUT_FILE"
echo "" >> "$OUT_FILE"
done
# Define variable for this directory's objects
echo -n "DIR_${SANITIZED_DIR}_OBJS =" >> "$OUT_FILE"
for obj in $OBJ_LIST; do
echo " \\" >> "$OUT_FILE"
echo -n " $obj" >> "$OUT_FILE"
done
echo "" >> "$OUT_FILE"
echo "" >> "$OUT_FILE"
done
# Process Targets
COUNT=${#TARGETS_TYPE[@]}
for ((i=0; i<COUNT; i++)); do
TYPE="${TARGETS_TYPE[$i]}&qu
8076
ot;
NAME="${TARGETS_NAME[$i]}"
DIRS="${TARGETS_DIRS[$NAME]}"
# Auto-include directory if it matches target name
if [[ -n "${DIR_PATHS[$NAME]}" ]]; then
FOUND=0
for d in $DIRS; do
if [[ "$d" == "$NAME" ]]; then
FOUND=1
break
fi
done
[[ $FOUND -eq 0 ]] && DIRS="$DIRS $NAME"
fi
SANITIZED_TARGET=$(sanitize_var "$NAME")
TARGET_OBJS_VAR="TGT_${SANITIZED_TARGET}_OBJS"
T_FLAGS="${TARGETS_FLAGS[$NAME]}"
T_LIBS="${TARGETS_LIBS[$NAME]}"
# Aggregate objects from included directories
echo -n "${TARGET_OBJS_VAR} =" >> "$OUT_FILE"
for d in $DIRS; do
SANITIZED_DIR=$(sanitize_var "$d")
echo " \\" >> "$OUT_FILE"
echo -n " \$(DIR_${SANITIZED_DIR}_OBJS)" >> "$OUT_FILE"
done
echo "" >> "$OUT_FILE"
echo "" >> "$OUT_FILE"
# Resolve dependencies
DEP_FILES=""
LINK_DEPS=""
RAW_DEPS="${TARGETS_DEPS[$NAME]}"
HAS_SHARED=0
for dep in $RAW_DEPS; do
D_TYPE="${TARGET_TYPE_MAP[$dep]}"
if [[ "$D_TYPE" == "lib" ]]; then
DEP_FILES="$DEP_FILES lib${dep}.a"
LINK_DEPS="$LINK_DEPS lib${dep}.a"
elif [[ "$D_TYPE" == "dll" ]]; then
DEP_FILES="$DEP_FILES lib${dep}.so"
LINK_DEPS="$LINK_DEPS -l${dep}"
HAS_SHARED=1
fi
done
if [[ $HAS_SHARED -eq 1 ]]; then
LINK_DEPS="-L. $LINK_DEPS"
fi
# Write Target Rule
case "$TYPE" in
exe)
echo "$NAME: \$(${TARGET_OBJS_VAR}) $DEP_FILES" >> "$OUT_FILE"
echo -e "\t\$(LD) \$(LDFLAGS) \$(TGT_${SANITIZED_TARGET}_LDFLAGS) $T_FLAGS -o $NAME \$(${TARGET_OBJS_VAR}) $LINK_DEPS $T_LIBS \$(LIBS)" >> "$OUT_FILE"
ALL_TARGETS="$ALL_TARGETS $NAME"
;;
lib)
LIBNAME="lib${NAME}.a"
echo "$LIBNAME: \$(${TARGET_OBJS_VAR})" >> "$OUT_FILE"
echo -e "\t\$(AR) cr $LIBNAME \$(${TARGET_OBJS_VAR})" >> "$OUT_FILE"
ALL_TARGETS="$ALL_TARGETS $LIBNAME"
;;
dll)
# IRIX DSO usually .so
DLLNAME="lib${NAME}.so"
echo "$DLLNAME: \$(${TARGET_OBJS_VAR}) $DEP_FILES" >> "$OUT_FILE"
echo -e "\t\$(LD) -shared \$(LDFLAGS) \$(TGT_${SANITIZED_TARGET}_LDFLAGS) $T_FLAGS -o $DLLNAME \$(${TARGET_OBJS_VAR}) $LINK_DEPS $T_LIBS" >> "$OUT_FILE"
ALL_TARGETS="$ALL_TARGETS $DLLNAME"
;;
esac
echo "" >> "$OUT_FILE"
done
# Write 'all' and 'clean' variables
echo "ALL_TARGETS = $ALL_TARGETS" >> "$OUT_FILE"
echo "" >> "$OUT_FILE"
echo "Generated $OUT_FILE successfully."