Restructure bison generation to allow multiple forntends

tprcc/.gitignore

@@ -0,0 +1,3 @@
+*.o
+build/*
+.cache/*

tprcc/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.8)
+project(tprcc LANGUAGES CXX)
+
+set (CMAKE_CXX_STANDARD 17)
+add_compile_options(-Wall -Wextra)
+
+aux_source_directory("src" SRC_DIR)
+aux_source_directory("src/tpr" SRC_TPR_DIR)
+
+set(TPR_PARSER_DIR "${CMAKE_CURRENT_BINARY_DIR}/generated-tpr")
+
+set (SRC_GENERATED "${TPR_PARSER_DIR}/tpr-parser.cpp" "${TPR_PARSER_DIR}/tpr-scanner.cpp")
+
+set (SOURCES
+	${SRC_DIR}
+	${SRC_TPR_DIR}
+	${SRC_GENERATED}
+)
+
+
+add_custom_command(
+	DEPENDS
+		${CMAKE_CURRENT_SOURCE_DIR}/parser/tpr.l
+	OUTPUT
+		${TPR_PARSER_DIR}/tpr-scanner.cpp
+	COMMAND
+		mkdir -p "${TPR_PARSER_DIR}" && flex -+ -o "${TPR_PARSER_DIR}/tpr-scanner.cpp" "${CMAKE_CURRENT_SOURCE_DIR}/parser/tpr.l"
+)
+
+add_custom_command(
+	DEPENDS
+		${CMAKE_CURRENT_SOURCE_DIR}/parser/tpr.ypp
+	OUTPUT
+		${TPR_PARSER_DIR}/tpr-parser.cpp
+	COMMAND
+		mkdir -p "${TPR_PARSER_DIR}/include/tpr-parser" && ${CMAKE_CURRENT_SOURCE_DIR}/bison-wrapper.sh "${TPR_PARSER_DIR}/tpr-parser.cpp" "${TPR_PARSER_DIR}/include/tpr-parser/tpr-parser.hpp" "${TPR_PARSER_DIR}/include/tpr-parser/location.hh" --header=tpr-parser.hpp ${CMAKE_CURRENT_SOURCE_DIR}/parser/tpr.ypp
+)	
+
+SET_SOURCE_FILES_PROPERTIES(${SRC_GENERATED} PROPERTIES GENERATED 1)
+add_executable(${PROJECT_NAME} ${SOURCES})
+
+
+target_include_directories(${PROJECT_NAME} PRIVATE "${TPR_PARSER_DIR}/include" "${TPR_PARSER_DIR}/include/tpr-parser")
+target_include_directories(${PROJECT_NAME} PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/include")
+# TEMPORARY FIx:
+#target_include_directories(${PROJECT_NAME} PRIVATE "${CMAKE_CURRENT_BINARY_DIR}")

tprcc/bison-wrapper.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+set -e
+
+# Usage: bison-wrapper.sh <c-file> <include-file> <location.hh> <bison_file> <bison-parameters> 
+if [[ $# -lt 4 ]]; then
+	echo "Error. Not enough parameters"
+	exit -1
+fi
+
+cfile=$1
+shift
+include=$1
+shift
+location=$1
+shift
+
+tmpdir=`mktemp -d`
+cd $tmpdir
+echo "Using $tmpdir"
+echo cp *.tab.cpp "$cfile"
+echo cp *.hpp "$include"
+echo cp location.hh "$location"
+
+bison $@
+cp *.tab.cpp "$cfile"
+cp *.hpp "$include"
+cp location.hh "$location"
+
+
+rm -rfv "$tmpdir"

tprcc/include/lang/temp-lang-frontend.hpp

@@ -0,0 +1,31 @@
+#ifndef _TEMP_LANG_FRONTEND_HPP_
+#define _TEMP_LANG_FRONTEND_HPP_
+
+#include <string>
+#include <iostream>
+#include <fstream>
+#include <istream>
+#include <streambuf>
+
+class TempLangFrontend {
+public:
+	TempLangFrontend(const std::string &source_file)
+	{
+		m_source_file = source_file;
+	}
+
+	virtual int analyze() = 0;
+
+	const std::string &get_src_file()
+	{
+		return m_source_file;
+	}
+
+protected:
+	std::string m_source_file;
+
+	
+
+};
+
+#endif /* _TEMP_LANG_FRONTEND_HPP_ */

tprcc/include/tpr/tpr-frontend.hpp

@@ -0,0 +1,20 @@
+#ifndef _TPR_FRONTEND_HPP_
+#define _TPR_FRONTEND_HPP_
+
+#include <string>
+#include <lang/temp-lang-frontend.hpp>
+#include <tpr/tpr-scanner.hpp>
+
+namespace tpr {
+
+class TprFrontend : public TempLangFrontend {
+private:
+public:
+	TprFrontend(const std::string &source_file); 
+	int analyze() override;
+
+};
+
+}
+
+#endif /* _TPR_FRONTEND_HPP_ */

tprcc/include/tpr/tpr-scanner.hpp

@@ -0,0 +1,38 @@
+#ifndef _TPR_SCANNER_HPP_
+#define _TPR_SCANNER_HPP_
+
+
+#if ! defined(yyFlexLexerOnce)
+#include <FlexLexer.h>
+#endif
+
+#include <tpr-parser/tpr-parser.hpp>
+#include <tpr-parser/location.hh>
+
+namespace tpr {
+
+class TempProfileScanner : public yyFlexLexer{
+  public:
+
+    TempProfileScanner(std::istream *in) : yyFlexLexer(in) {
+    };
+    virtual ~TempProfileScanner() {};
+
+    //get rid of override virtual function warning
+    using FlexLexer::yylex;
+
+    virtual
+      int yylex( tpr::TempProfileParser::semantic_type * const lval, 
+          tpr::TempProfileParser::location_type *loc );
+    // YY_DECL defined in mc_lexer.l
+    // Method body created by flex in mc_lexer.yy.cc
+
+  private:
+    /* yyval ptr */
+    tpr::TempProfileParser::semantic_type *yylval = nullptr;
+};
+
+} /* end namespace MC */
+
+
+#endif /* _TPR_SCANNER_HPP_ */

tprcc/include/tpr/tpr-types.hpp

@@ -0,0 +1,38 @@
+#ifndef _TPR_TYPES_HPP_
+#define _TPR_TYPES_HPP_
+
+#include <vector>
+
+namespace tpr {
+
+enum class CommandType {
+	pid_conf,
+	temp_set,
+	wait_temp,
+	wait_time,
+	temp_ramp,
+	beep,
+	temp_off,
+	clear_flags,
+	digio_conf,
+	digio_set,
+	digio_wait,
+};
+
+
+class TprCommand {
+private:
+	CommandType m_type;
+	std::vector<float> m_parameters;
+
+public:
+	TprCommand(CommandType type);
+	TprCommand(CommandType type, const std::vector<float> &params);
+	TprCommand(CommandType type, const std::vector<float> &&params);
+	
+};
+
+
+}
+
+#endif /* _TPR_TYPES_HPP_ */

tprcc/include/tprcc/logger.hpp

@@ -0,0 +1,31 @@
+#ifndef _LOGGER_HPP_
+#define _LOGGER_HPP_
+
+#include <string>
+
+enum class LogLevel {
+		DEBUG,
+		INFO,
+		WARNING,
+		ERROR,
+};
+
+class Logger {
+public:	
+	Logger(Logger &other) = delete;
+	void operator=(const Logger &) = delete;
+
+	void log(LogLevel lvl, const std::string &message) const;
+
+	static Logger *get_logger();
+
+protected:
+	/* Create a proteceted instructure, to prevent construction outside of this class */
+	Logger();
+
+	static Logger *logger_inst;
+
+
+};
+
+#endif /* _LOGGER_HPP_ */

tprcc/parser/tpr.l

@@ -0,0 +1,54 @@
+%{
+#include <tpr/tpr-scanner.hpp>
+#include <string>
+#undef  YY_DECL
+#define YY_DECL int tpr::TempProfileScanner::yylex(tpr::TempProfileParser::semantic_type * const lval, tpr::TempProfileParser::location_type *loc )
+
+#define YY_USER_ACTION loc->step(); loc->columns(yyleng);
+
+using token = tpr::TempProfileParser::token;
+
+%}
+
+%option yyclass="tpr::TempProfileScanner"
+%option noyywrap
+%option never-interactive
+%option c++
+
+/* Predefined rules */
+NEWLINE         "\n"|"\r\n"
+COMMENT_LINE  "#".*\n
+SPACE "\t"|" "
+
+NUM_INT [-+]?([0-9]+)
+NUM_FLOAT [-+]?([0-9]*\.[0-9]+)
+
+%%
+%{
+   yylval = lval;
+%}
+
+<*>{SPACE} { /*Ignore spaces */}
+{COMMENT_LINE} {loc->lines(); return token::lineend;}
+{NEWLINE} {loc->lines(); return token::lineend;}
+{NUM_FLOAT} {yylval->build<float>(std::stof(std::string(yytext))); return token::number_float;}
+{NUM_INT} {yylval->build<float>(std::stof(std::string(yytext))); return token::number_int;}
+
+pid_conf { return token::kw_pid_conf; }
+temp_set { return token::kw_temp_set; }
+wait_temp { return token::kw_wait_temp; }
+wait_time { return token::kw_wait_time; }
+temp_ramp { return token::kw_temp_ramp; }
+beep { return token::kw_beep; }
+temp_off { return token::kw_temp_off; }
+clear_flags { return token::kw_clear_flags; }
+digio_conf { return token::kw_digio_conf; }
+digio_set { return token::kw_digio_set; }
+digio_wait { return token::kw_digio_wait; }
+
+. {
+	std::cerr << "[ERR] Failed to parse: " << yytext  << " @ " << *loc << std::endl;
+	return token::unexpected_input;
+}
+
+%%

tprcc/parser/tpr.ypp

@@ -0,0 +1,115 @@
+
+%language "c++"
+%require  "3.2"
+%defines 
+%define api.namespace {tpr}
+%define api.parser.class {TempProfileParser}
+
+
+%define parse.error verbose
+
+%code requires{
+  namespace tpr {
+    class TempProfileScanner;
+}
+}
+
+%parse-param { TempProfileScanner &scanner }
+
+%code {
+	#include <iostream>
+	#include <cstdlib>
+	#include <fstream>
+	#include <utility>
+	#include <tuple>
+	#include <tpr/tpr-scanner.hpp>
+	#include <tpr/tpr-types.hpp>
+	#undef yylex
+	#define yylex scanner.yylex
+}
+
+%define api.value.type variant
+%locations
+%start tpr_file
+
+%token<float> number_float
+%token<float> number_int
+%token lineend
+%token kw_pid_conf
+%token kw_temp_set
+%token kw_wait_temp
+%token kw_wait_time
+%token kw_temp_ramp
+%token kw_beep
+%token kw_temp_off
+%token kw_clear_flags
+%token kw_digio_conf
+%token kw_digio_set
+%token kw_digio_wait
+%token unexpected_input
+
+%type<float>number number_truncated
+
+%%
+
+tpr_file: tpr_command
+	| tpr_file tpr_command
+	;
+
+
+tpr_command: tpr_command_inner lineend
+	| lineend
+	;
+
+tpr_command_inner: cmd_pid_conf;
+	| cmd_temp_set
+	| cmd_wait_temp
+	| cmd_wait_time
+	| cmd_temp_ramp
+	| cmd_beep
+	| cmd_temp_off
+	| cmd_clear_flags
+	| cmd_digio_conf
+	| cmd_digio_set
+	| cmd_digio_wait
+	;
+
+
+cmd_pid_conf: kw_pid_conf number number number number number number;
+
+cmd_temp_set: kw_temp_set number {std::cout << "Set Temperature" << $2 << std::endl;}
+	;
+
+cmd_wait_temp: kw_wait_temp number;
+
+cmd_wait_time: kw_wait_time number;
+
+cmd_temp_ramp: kw_temp_ramp number number;
+
+cmd_beep: kw_beep number_truncated;
+
+cmd_temp_off: kw_temp_off;
+
+cmd_clear_flags: kw_clear_flags;
+
+cmd_digio_conf: kw_digio_conf number_truncated number_truncated;
+
+cmd_digio_set: kw_digio_set number_truncated number_truncated;
+
+cmd_digio_wait: kw_digio_wait number_truncated number_truncated;
+
+number_truncated: number_float {$$ = $1; std::cerr << "[WARN] Floating point number " << $1 << " will be truncated to an integer (" << (int)$1 <<  ") at location (" << @1 << ")" << std::endl;}
+	| number_int {$$ = $1;}
+	;
+
+number: number_float {$$ = $1;}
+	| number_int {$$ = $1;}
+	;
+
+%%
+
+void tpr::TempProfileParser::error(const location_type &l, const std::string &err_message)
+{
+	std::cerr << "[ERR] Parser Error: '" << err_message << "' at " << l << std::endl;
+	std::abort();
+}

tprcc/src/logger.cpp

@@ -0,0 +1,32 @@
+#include <tprcc/logger.hpp>
+#include <iostream>
+
+Logger *Logger::logger_inst = nullptr;
+
+Logger::Logger()
+{
+
+}
+
+Logger *Logger::get_logger() {
+	if (logger_inst == nullptr) {
+		logger_inst = new Logger();
+	}
+
+	return logger_inst;
+}
+
+void Logger::log(LogLevel lvl, const std::string &message) const
+{
+	switch (lvl) {
+	case LogLevel::ERROR:
+		std::cerr << "[ERR]" << message << std::endl;
+		break;
+	case LogLevel::WARNING:
+		std::cerr << "[WARN]" << message << std::endl;
+		break;
+	default:
+		std::cout << message << std::endl;
+		break;
+	}
+}

tprcc/src/main.cpp

@@ -0,0 +1,15 @@
+#include <iostream>
+#include <tpr/tpr-frontend.hpp>
+
+int main(int argc, char **argv)
+{
+	std::cout << "Hello world" << std::endl;
+
+	if (argc > 1) {
+		auto fe = tpr::TprFrontend(std::string(argv[1]));
+
+		fe.analyze();
+	}
+
+	return 0;
+}

tprcc/src/tpr/tpr-frontend.cpp

@@ -0,0 +1,27 @@
+#include <tprcc/logger.hpp>
+#include <tpr/tpr-frontend.hpp>
+
+namespace tpr {
+
+TprFrontend::TprFrontend(const std::string &source_file) : TempLangFrontend(source_file)
+{
+}
+
+int TprFrontend::analyze()
+{
+	std::ifstream input_stream(m_source_file);
+
+	if (!input_stream.good()) {
+		Logger::get_logger()->log(LogLevel::ERROR, "Cannot read input file " + m_source_file);
+		return -1;
+	}
+
+	auto scanner = TempProfileScanner(&input_stream);
+	auto parser = TempProfileParser(scanner);
+
+	parser.parse();
+
+	return 0;
+}
+
+}

tprcc/src/tpr/tpr-types.cpp

@@ -0,0 +1,26 @@
+#include "tprcc/logger.hpp"
+#include <cstdlib>
+#include <tpr/tpr-types.hpp>
+#include <cmath>
+#include <iostream>
+
+namespace tpr {
+
+
+TprCommand::TprCommand(CommandType type)
+{
+	m_type = type;
+}
+
+TprCommand::TprCommand(CommandType type, const std::vector<float> &params) : TprCommand(type)
+{
+	m_parameters = params;
+}
+
+TprCommand::TprCommand(CommandType type, const std::vector<float> &&params) : TprCommand(type)
+{
+	m_parameters = std::move(params);
+}
+
+
+}