#!/bin/zsh
ps -o comm= -p $$

# This script expects the following command line arguments:
# $1 : Absolute path to the VeriFast directory

VF_DIR="$1"

PP_SCRIPT_WD=`pwd`
REPO_BASE_DIR=`cd ../../..; pwd`
VF_PROOF_BASE_DIR=`cd ..; pwd`


TASKS_C="$REPO_BASE_DIR/tasks.c"

PROOF_SETUP_DIR="$VF_PROOF_BASE_DIR/proof_setup"
PROOF_FILES_DIR="$VF_PROOF_BASE_DIR/proof"
PICO_SDK_DIR="$VF_PROOF_BASE_DIR/sdks/pico-sdk"
SMP_DEMO_DIR="$VF_PROOF_BASE_DIR/demos/FreeRTOS-SMP-Demos"


#LOG_DIR="`pwd`/build_logs"
#BUILD_LOG="$LOG_DIR/build_log--`date +'%y_%m_%d--%H_%M'`.txt"
TIMESTAMP=`date +'%y_%m_%d--%H_%M'`
LOG_PP_OUT_DIR="$PP_SCRIPT_WD/log_preprocessed_files"
LOG_PP_TASK_C="$LOG_PP_OUT_DIR/tasks--pp--$TIMESTAMP.c"
LOG_PP_ERR="$LOG_PP_OUT_DIR/error--$TIMESTAMP.c"

LOG_VF_RW_TASK_C="$LOG_PP_OUT_DIR/tasks--vf_rw--$TIMESTAMP.c"

PP_OUT_DIR="$VF_PROOF_BASE_DIR/preprocessed_files"
PP_TASK_C="$PP_OUT_DIR/tasks__pp.c"


# Flags to SKIP expensive proofs:
# - VERIFAST_SKIP_BITVECTOR_PROOF__STACK_ALIGNMENT


pwd
mkdir $LOG_PP_OUT_DIR

# Relevant clang flags:
# -E
# -C
# -P : surpresses line/file pragmas

echo start preprocessor
clang -E -C  -DFREE_RTOS_KERNEL_SMP=1 -DLIB_FREERTOS_KERNEL=1 -DLIB_PICO_BIT_OPS=1 -DLIB_PICO_BIT_OPS_PICO=1 -DLIB_PICO_DIVIDER=1 -DLIB_PICO_DIVIDER_HARDWARE=1 -DLIB_PICO_DOUBLE=1 -DLIB_PICO_DOUBLE_PICO=1 -DLIB_PICO_FLOAT=1 -DLIB_PICO_FLOAT_PICO=1 -DLIB_PICO_INT64_OPS=1 -DLIB_PICO_INT64_OPS_PICO=1 -DLIB_PICO_MALLOC=1 -DLIB_PICO_MEM_OPS=1 -DLIB_PICO_MEM_OPS_PICO=1 -DLIB_PICO_MULTICORE=1 -DLIB_PICO_PLATFORM=1 -DLIB_PICO_PRINTF=1 -DLIB_PICO_PRINTF_PICO=1 -DLIB_PICO_RUNTIME=1 -DLIB_PICO_STANDARD_LINK=1 -DLIB_PICO_STDIO=1 -DLIB_PICO_STDIO_UART=1 -DLIB_PICO_STDLIB=1 -DLIB_PICO_SYNC=1 -DLIB_PICO_SYNC_CORE=1 -DLIB_PICO_SYNC_CRITICAL_SECTION=1 -DLIB_PICO_SYNC_MUTEX=1 -DLIB_PICO_SYNC_SEM=1 -DLIB_PICO_TIME=1 -DLIB_PICO_UTIL=1 -DPICO_BOARD=\"pico\" -DPICO_BUILD=1 -DPICO_CMAKE_BUILD_TYPE=\"Release\" -DPICO_COPY_TO_RAM=0 -DPICO_CXX_ENABLE_EXCEPTIONS=0 -DPICO_NO_FLASH=0 -DPICO_NO_HARDWARE=0 -DPICO_ON_DEVICE=1 -DPICO_STACK_SIZE=0x1000 -DPICO_TARGET_NAME=\"on_core_one\" -DPICO_USE_BLOCKED_RAM=0 -DmainRUN_FREE_RTOS_ON_CORE=1 \
-DVERIFAST \
-DVERIFAST_SKIP_BITVECTOR_PROOF__STACK_ALIGNMENT \
-I"$VF_DIR/bin" \
-I"$PROOF_SETUP_DIR" \
-I"$PROOF_FILES_DIR" \
-I"$SMP_DEMO_DIR/FreeRTOS/Demo/CORTEX_M0+_RP2040/OnEitherCore" \
-I"$REPO_BASE_DIR/portable/ThirdParty/GCC/RP2040/include" \
-I"$REPO_BASE_DIR/portable/ThirdParty/GCC/RP2040" \
-I"$REPO_BASE_DIR/include" \
-I"$PICO_SDK_DIR/src/common/pico_base/include" \
-I"$SMP_DEMO_DIR/FreeRTOS/Demo/CORTEX_M0+_RP2040/build/generated/pico_base" \
-I"$PICO_SDK_DIR/src/boards/include" \
-I"$PICO_SDK_DIR/src/rp2_common/pico_platform/include" \
-I"$PICO_SDK_DIR/src/rp2040/hardware_regs/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_base/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_clocks/include" \
-I"$PICO_SDK_DIR/src/rp2040/hardware_structs/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_claim/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_sync/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_gpio/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_irq/include" \
-I"$PICO_SDK_DIR/src/common/pico_sync/include" \
-I"$PICO_SDK_DIR/src/common/pico_time/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_timer/include" \
-I"$PICO_SDK_DIR/src/common/pico_util/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_resets/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_pll/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_vreg/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_watchdog/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_xosc/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_exception/include" \
-I"$PICO_SDK_DIR/src/rp2_common/pico_multicore/include" \
-I"$PICO_SDK_DIR/src/common/pico_stdlib/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_uart/include" \
-I"$PICO_SDK_DIR/src/rp2_common/hardware_divider/include" \
-I"$PICO_SDK_DIR/src/rp2_common/pico_runtime/include" \
-I"$PICO_SDK_DIR/src/rp2_common/pico_printf/include" \
-I"$PICO_SDK_DIR/src/rp2_common/pico_bootrom/include" \
-I"$PICO_SDK_DIR/src/common/pico_bit_ops/include" \
-I"$PICO_SDK_DIR/src/common/pico_divider/include" \
-I"$PICO_SDK_DIR/src/rp2_common/pico_double/include" \
-I"$PICO_SDK_DIR/src/rp2_common/pico_int64_ops/include" \
-I"$PICO_SDK_DIR/src/rp2_common/pico_float/include" \
-I"$PICO_SDK_DIR/src/rp2_common/pico_malloc/include" \
-I"$PICO_SDK_DIR/src/rp2_common/boot_stage2/include" \
-I"$PICO_SDK_DIR/src/common/pico_binary_info/include" \
-I"$PICO_SDK_DIR/src/rp2_common/pico_stdio/include" \
-I"$PICO_SDK_DIR/src/rp2_common/pico_stdio_uart/include" \
-c "$TASKS_C" \
1>"$LOG_PP_TASK_C" 2>"$LOG_PP_ERR"

echo "\n\nPreprocessed output with pragmas written to:"
echo $LOG_PP_TASK_C


echo "\n\nApplying VeriFast rewrites. Result written to:"
echo $LOG_VF_RW_TASK_C
cp "$LOG_PP_TASK_C" "$LOG_VF_RW_TASK_C"
./vf_rewrite.sh "$LOG_VF_RW_TASK_C"


pwd
mkdir "$PP_OUT_DIR"
echo "\n\nCopying preprocessed tasks.c file with pragma comments and VF rewrites"
echo "$LOG_VF_RW_TASK_C"
echo to
echo "$PP_TASK_C"
cp "$LOG_VF_RW_TASK_C" "$PP_TASK_C"