Skip to main content

Parse C++ header files and generate a data structure representing the class

Project description

Python package “CppHeaderParser”

Purpose: Parse C++ header files and generate a data structure representing the class

Author: Jashua Cloutier

Licence: BSD

External modules required: PLY

Quick start:

#include <vector>
#include <string>

#define DEF_1 1
#define OS_NAME "Linux"

using namespace std;
class SampleClass
{
public:
    SampleClass();
    /*!
     * Method 1
     */
    string meth1();

    ///
    /// Method 2 description
    ///
    /// @param v1 Variable 1
    ///
    int meth2(int v1);

    /**
     * Method 3 description
     *
     * \param v1 Variable 1
     * \param v2 Variable 2
     */
    void meth3(const string & v1, vector<string> & v2);

    /**********************************
     * Method 4 description
     *
     * @return Return value
     *********************************/
    unsigned int meth4();
private:
    void * meth5(){return NULL};

    /// prop1 description
    string prop1;
    //! prop5 description
    int prop5;
};
namespace Alpha
{
    class AlphaClass
    {
    public:
        AlphaClass();

        void alphaMethod();

        string alphaString;
    };

    namespace Omega
    {
        class OmegaClass
        {
        public:
            OmegaClass();

            string omegaString;
        };
    };
}

int sampleFreeFunction(int i)
{
    return i + 1;
}

int anotherFreeFunction(void);
}

Python code:

#!/usr/bin/python
import sys
sys.path = ["../"] + sys.path
import CppHeaderParser
try:
    cppHeader = CppHeaderParser.CppHeader("SampleClass.h")
except CppHeaderParser.CppParseError,  e:
    print e
    sys.exit(1)

print "CppHeaderParser view of %s"%cppHeader

sampleClass = cppHeader.classes["SampleClass"]
print "Number of public methods %d"%(len(sampleClass["methods"]["public"]))
print "Number of private properties %d"%(len(sampleClass["properties"]["private"]))
meth3 = [m for m in sampleClass["methods"]["public"] if m["name"] == "meth3"][0] #get meth3
meth3ParamTypes = [t["type"] for t in meth3["parameters"]] #get meth3s parameters
print "Parameter Types for public method meth3 %s"%(meth3ParamTypes)

print "\nReturn type for meth1:"
print cppHeader.classes["SampleClass"]["methods"]["public"][1]["rtnType"]

print "\nDoxygen for meth2:"
print cppHeader.classes["SampleClass"]["methods"]["public"][2]["doxygen"]

print "\nParameters for meth3:"
print cppHeader.classes["SampleClass"]["methods"]["public"][3]["parameters"]

print "\nDoxygen for meth4:"
print cppHeader.classes["SampleClass"]["methods"]["public"][4]["doxygen"]

print "\nReturn type for meth5:"
print cppHeader.classes["SampleClass"]["methods"]["private"][0]["rtnType"]

print "\nDoxygen type for prop1:"
print cppHeader.classes["SampleClass"]["properties"]["private"][0]["doxygen"]

print "\nType for prop5:"
print cppHeader.classes["SampleClass"]["properties"]["private"][1]["type"]

print "\nNamespace for AlphaClass is:"
print cppHeader.classes["AlphaClass"]["namespace"]

print "\nReturn type for alphaMethod is:"
print cppHeader.classes["AlphaClass"]["methods"]["public"][0]["rtnType"]

print "\nNamespace for OmegaClass is:"
print cppHeader.classes["OmegaClass"]["namespace"]

print "\nType for omegaString is:"
print cppHeader.classes["AlphaClass"]["properties"]["public"][0]["type"]

print "\nFree functions are:"
for func in cppHeader.functions:
    print " %s"%func["name"]

print "\n#includes are:"
for incl in cppHeader.includes:
    print " %s"%incl

print "\n#defines are:"
for define in cppHeader.defines:
    print " %s"%define

Output:

CppHeaderParser view of class SampleClass
{
public
    // Methods
   {'line_number': 11, 'static': False, 'rtnType': 'void', 'const': False, 'parameters': [], 'namespace': '', 'virtual': False, 'destructor': False, 'returns': '', 'template': False, 'friend': False, 'returns_class': False, 'extern': False, 'path': 'SampleClass', 'returns_pointer': 0, 'class': None, 'name': 'SampleClass', 'pure_virtual': False, 'explicit': False, 'returns_fundamental': True, 'constructor': True, 'debug': 'SampleClass ( ) ;', 'inline': False}
   {'line_number': 15, 'static': False, 'rtnType': 'string', 'returns_unknown': True, 'const': False, 'parameters': [], 'namespace': '', 'virtual': False, 'destructor': False, 'returns': 'string', 'template': False, 'friend': False, 'returns_class': False, 'inline': False, 'extern': False, 'path': 'SampleClass', 'class': None, 'doxygen': '/*!\n* Method 1\n*/', 'name': 'meth1', 'pure_virtual': False, 'explicit': False, 'returns_fundamental': False, 'constructor': False, 'debug': 'string meth1 ( ) ;', 'returns_pointer': 0}
   {'line_number': 22, 'static': False, 'rtnType': 'int', 'const': False, 'parameters': [{'line_number': 22, 'constant': 0, 'name': 'v1', 'reference': 0, 'type': 'int', 'static': 0, 'pointer': 0, 'desc': 'Variable 1'}], 'namespace': '', 'virtual': False, 'destructor': False, 'returns': 'int', 'template': False, 'friend': False, 'returns_class': False, 'inline': False, 'extern': False, 'path': 'SampleClass', 'class': None, 'doxygen': '///\n/// Method 2 description\n///\n/// @param v1 Variable 1\n///', 'name': 'meth2', 'pure_virtual': False, 'explicit': False, 'returns_fundamental': True, 'constructor': False, 'debug': 'int meth2 ( int v1 ) ;', 'returns_pointer': 0}
   {'line_number': 30, 'static': False, 'rtnType': 'void', 'const': False, 'parameters': [{'line_number': 30, 'constant': 1, 'name': 'v1', 'reference': 1, 'type': 'const string &', 'static': 0, 'pointer': 0, 'desc': 'Variable 1'}, {'line_number': 30, 'constant': 0, 'name': 'v2', 'reference': 1, 'type': 'vector<string> &', 'static': 0, 'pointer': 0, 'desc': 'Variable 2'}], 'namespace': '', 'virtual': False, 'destructor': False, 'returns': 'void', 'template': False, 'friend': False, 'unresolved_parameters': True, 'returns_class': False, 'inline': False, 'extern': False, 'path': 'SampleClass', 'class': None, 'doxygen': '/**\n* Method 3 description\n*\n* \\param v1 Variable 1\n* \\param v2 Variable 2\n*/', 'name': 'meth3', 'pure_virtual': False, 'explicit': False, 'returns_fundamental': True, 'constructor': False, 'debug': 'void meth3 ( const string & v1 , vector <string> & v2 ) ;', 'returns_pointer': 0}
   {'line_number': 37, 'static': False, 'rtnType': 'unsigned int', 'const': False, 'parameters': [], 'namespace': '', 'virtual': False, 'destructor': False, 'returns': 'unsigned int', 'template': False, 'friend': False, 'returns_class': False, 'inline': False, 'extern': False, 'path': 'SampleClass', 'class': None, 'doxygen': '/**********************************\n* Method 4 description\n*\n* @return Return value\n*********************************/', 'name': 'meth4', 'pure_virtual': False, 'explicit': False, 'returns_fundamental': True, 'constructor': False, 'debug': 'unsigned int meth4 ( ) ;', 'returns_pointer': 0}
protected
private
    // Properties
    {'line_number': 42, 'constant': 0, 'name': 'prop1', 'reference': 0, 'type': 'string', 'static': 0, 'pointer': 0}
    {'line_number': 44, 'constant': 0, 'name': 'prop5', 'reference': 0, 'type': 'int', 'static': 0, 'pointer': 0}
    // Methods
   {'line_number': 39, 'static': False, 'rtnType': 'void *', 'const': False, 'parameters': [], 'namespace': '', 'virtual': False, 'destructor': False, 'returns': 'void', 'template': False, 'friend': False, 'returns_class': False, 'extern': False, 'path': 'SampleClass', 'returns_pointer': 1, 'class': None, 'name': 'meth5', 'pure_virtual': False, 'explicit': False, 'returns_fundamental': True, 'constructor': False, 'debug': 'void * meth5 ( ) {', 'inline': False}
}

class Alpha::AlphaClass
{
public
    // Properties
    {'line_number': 55, 'constant': 0, 'name': 'alphaString', 'reference': 0, 'type': 'string', 'static': 0, 'pointer': 0}
    // Methods
   {'line_number': 51, 'static': False, 'rtnType': 'void', 'const': False, 'parameters': [], 'namespace': 'Alpha::', 'virtual': False, 'destructor': False, 'returns': '', 'template': False, 'friend': False, 'returns_class': False, 'extern': False, 'path': 'Alpha::AlphaClass', 'returns_pointer': 0, 'class': None, 'name': 'AlphaClass', 'pure_virtual': False, 'explicit': False, 'returns_fundamental': True, 'constructor': True, 'debug': 'AlphaClass ( ) ;', 'inline': False}
   {'line_number': 53, 'static': False, 'rtnType': 'void', 'const': False, 'parameters': [], 'namespace': 'Alpha::', 'virtual': False, 'destructor': False, 'returns': 'void', 'template': False, 'friend': False, 'returns_class': False, 'extern': False, 'path': 'Alpha::AlphaClass', 'returns_pointer': 0, 'class': None, 'name': 'alphaMethod', 'pure_virtual': False, 'explicit': False, 'returns_fundamental': True, 'constructor': False, 'debug': 'void alphaMethod ( ) ;', 'inline': False}
protected
private
}

class Alpha::Omega::OmegaClass
{
public
    // Properties
    {'line_number': 65, 'constant': 0, 'name': 'omegaString', 'reference': 0, 'type': 'string', 'static': 0, 'pointer': 0}
    // Methods
   {'line_number': 63, 'static': False, 'rtnType': 'void', 'const': False, 'parameters': [], 'namespace': 'Alpha::Omega::', 'virtual': False, 'destructor': False, 'returns': '', 'template': False, 'friend': False, 'returns_class': False, 'extern': False, 'path': 'Alpha::Omega::OmegaClass', 'returns_pointer': 0, 'class': None, 'name': 'OmegaClass', 'pure_virtual': False, 'explicit': False, 'returns_fundamental': True, 'constructor': True, 'debug': 'OmegaClass ( ) ;', 'inline': False}
protected
private
}

// functions
{'line_number': 70, 'static': False, 'rtnType': 'int', 'const': False, 'parameters': [{'line_number': 70, 'constant': 0, 'name': 'i', 'reference': 0, 'type': 'int', 'static': 0, 'pointer': 0}], 'namespace': '', 'virtual': False, 'destructor': False, 'returns': 'int', 'template': False, 'friend': False, 'returns_class': False, 'extern': False, 'returns_pointer': 0, 'class': None, 'name': 'sampleFreeFunction', 'pure_virtual': False, 'explicit': False, 'returns_fundamental': True, 'constructor': False, 'debug': 'int sampleFreeFunction ( int i ) {', 'inline': False}
{'line_number': 75, 'static': False, 'rtnType': 'int', 'const': False, 'parameters': [{'line_number': 75, 'constant': 0, 'name': '', 'reference': 0, 'type': 'void', 'static': 0, 'pointer': 0}], 'namespace': '', 'virtual': False, 'destructor': False, 'returns': 'int', 'template': False, 'friend': False, 'returns_class': False, 'extern': False, 'returns_pointer': 0, 'class': None, 'name': 'anotherFreeFunction', 'pure_virtual': False, 'explicit': False, 'returns_fundamental': True, 'constructor': False, 'debug': 'int anotherFreeFunction ( void ) ;', 'inline': False}

Number of public methods 5
Number of private properties 2
Parameter Types for public method meth3 ['const string &', 'vector<string> &']

Return type for meth1:
string

Doxygen for meth2:
///
/// Method 2 description
///
/// @param v1 Variable 1
///

Parameters for meth3:
[{'line_number': 30, 'constant': 1, 'name': 'v1', 'reference': 1, 'type': 'const string &', 'static': 0, 'pointer': 0, 'desc': 'Variable 1'}, {'line_number': 30, 'constant': 0, 'name': 'v2', 'reference': 1, 'type': 'vector<string> &', 'static': 0, 'pointer': 0, 'desc': 'Variable 2'}]

Doxygen for meth4:
/**********************************
* Method 4 description
*
* @return Return value
*********************************/

Return type for meth5:
void *

Doxygen type for prop1:
/// prop1 description

Type for prop5:
int

Namespace for AlphaClass is:
Alpha

Return type for alphaMethod is:
void

Namespace for OmegaClass is:
Alpha::Omega

Type for omegaString is:
string

Free functions are:
 sampleFreeFunction
 anotherFreeFunction

#includes are:
 <vector>
 <string>

#defines are:
 DEF_1 1
 OS_NAME "Linux"

Contributors

  • Chris Love

  • HartsAntler

Project details


Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Source Distribution

CppHeaderParser-2.4.tar.gz (69.5 kB view hashes)

Uploaded Source

Supported by

AWS AWS Cloud computing and Security Sponsor Datadog Datadog Monitoring Fastly Fastly CDN Google Google Download Analytics Microsoft Microsoft PSF Sponsor Pingdom Pingdom Monitoring Sentry Sentry Error logging StatusPage StatusPage Status page