ponyatov

log.log: src.src ./exe.exe
	./exe.exe < $< > $@ && tail $(TAIL) $@
C = cpp.cpp $(OS).cpp ypp.tab.cpp lex.yy.c
H = hpp.hpp $(OS).hpp ypp.tab.hpp meta.hpp
CXXFLAGS += -std=gnu++11
./exe.exe: $(C) $(H)
	$(CXX) $(CXXFLAGS) -o $@ $(C) $(L)
ypp.tab.cpp: ypp.ypp
	bison $<
lex.yy.c: lpp.lpp

ponyatov

#define TITLE		"skelex"
#define ABOUT		"lexical program skeleton"
#define	LICENSE		"GNU Lesser GPL"
#define AUTHOR		"Dmitry Ponyatov <<dponyatov@gmail.com>>"
#define COPYRIGHT	"(c) " AUTHOR " , " LICENSE
#define GITHUB		"https://github.com/ponyatov/sym" TITLE

ponyatov

*~
*.swp
*.exe
*.log
ypp.tab.?pp
lex.yy.c

ponyatov

@start .
@gvim -p src.src log.log ypp.ypp lpp.lpp hpp.hpp cpp.cpp
@rem Makefile .gitignore bat.bat README.md

ponyatov

#ifndef _H_HPP
#define _H_HPP
...
#endif // _H_HPP

ponyatov

rem first create your project on github & clone it locally
git clone -o gh git@github.com:ponyatov/skelex.git

rem create project files
cd skelex
touch         src.src log.log ypp.ypp lpp.lpp hpp.hpp cpp.cpp Makefile .gitignore bat.bat

rem create (g)vim helper for windows
echo @gvim -p src.src log.log ypp.ypp lpp.lpp hpp.hpp cpp.cpp Makefile .gitignore bat.bat >> bat.bat

ponyatov

#ifndef _H_HPP
#define _H_HPP
						// required includes
#include <iostream>
#include <cstdlib>
#include <vector>
#include <map>
using namespace std;
#include "meta.hpp"
						// algebraic data type (base class)

ponyatov

src = '''
nop
nop
.
1 2 3
.
bye
'''

D = [] # data stack

ponyatov

# for https://www.youtube.com/watch?v=v6y-57zw3zg

src = '''
nop
nop
.
1 + 2 * 3
.
bye
'''

ponyatov

splitter "parse words divided by spaces"
  = _? x:(y:word _? { return y } )* { return x }
  
word
  = number
  / w:[^ \t\n\r]+ { return w.join('') }

_ "space"
  = s:[ \t\n\r]+  { return s.join('') }