C / C++ / MFC

10-Oct-03 17:31

Is there a way to write up a littl C code in .NET or V6 and be able to look at the assembly code that it produced after it compiled?

ZoogieZork10-Oct-03 18:20

ZoogieZork

10-Oct-03 18:20

Easy -- set a breakpoint at the beginning of the code you want to view the assembly for, execute the program in debug mode, then when the breakpoint is triggered, right-click on the statement and select "Go To Disassembly". (This is for VS.NET 2K3).

- Mike

Blake Coverett10-Oct-03 21:02

Blake Coverett

10-Oct-03 21:02

Michael's answer works fine. Alternatively, add the /Fa switch when you compile and .asm files will be generated that you can browse through with your favorite editor. I often find this more convenient.

--
-Blake (com/bcdev/blake)

Beer2611-Oct-03 7:08

Beer26

11-Oct-03 7:08

I have a related question, I still haven't gotten around to using managed C++ code so I still no next to nothing about dotnet aside from it's java like qualities,

but i do know some assembly from reading books and so forth.

What format is .NET IL assembly in? is it MASM assembly, or a new type of assembly with different macros+syntax or what?

Blake Coverett11-Oct-03 10:06

Blake Coverett

11-Oct-03 10:06

At a basic layout level IL syntax looks somewhat like other assembly syntax in that it is line based, has directives that start with a dot, labels at the left, then a short opcode, then arguments, typically rendered in aligned columns.

From there is goes on to completely unlike MASM (or any other physical machine assembly) in that the opcodes are stack based, strongly typed, and at a much higher level of abstraction than even CISC assembly. No macros or the like as ILASM is not designed to be written by humans so there's no purpose for such things.

--
-Blake (com/bcdev/blake)

hash trouble

Sirrius10-Oct-03 17:27

how to resize and reposition all the controls in a dialog

10-Oct-03 17:27

Here is the whole code: I should of put it out here to begin with on my previous forum. I tends to generate an error c2783 on the find_index() call in the insert funtion. Is it the way I am sending the struct in the main to the insert fucntion? I don't know. Very frustrated with this.
I put void main() on the bottom of this page.
Thanks for the help.

#ifndef TABLE1_H
#define TABLE1_1
#include <cstdlib>
#include <cassert>

const size_t CAPACITY = 811;
int NEVER_USED = -1;
int PREVIOUSLY_USED = -2;

struct tractor
{
int key;
};

template<class recordType>
class table
{
//MEMBER CONSTANTS
private:

//MEMBER VARIABLES
recordType data[CAPACITY];
size_t used;

//HELPER FUNCTIONS

template<class recordType>
size_t hash(const recordType key) const
{
return (key % CAPACITY);
}

size_t next_index(size_t index) const
{
if((index+1)==CAPACITY)
return ((index + 1) % CAPACITY);

}

template<class recordType>
void find_index(int key, bool &found, std::size_t &index) const
{
size_t count; //number of entries that have been examined
count = 0;

i=hash(key);

while((count<CAPACITY) && (!never_used(i)) && (data[i].key != key))
{
++count;
i = next_index(i);
}
found = (data[i].key == key);

}

bool never_used(size_t index) const;
bool is_vacant(size_t index) const;

public:

//CONSTRUCTOR

table()
{
size_t i;
used = 0;
for(i=0; i<CAPACITY; ++i)
data[i].key = NEVER_USED;

}

//MODIFICATION MEMBER FUNCTIONS

void insert(recordType &entry)
{
bool already_present;
size_t index;

assert(entry.key >= 0);

//SET INDEX SO THAT DATA[INDEX] IS THE SPOT TO PLACE THE NEW ENTRY

find_index(entry.key,already_present,index);

//IF THE KEY WASN'T ALREADY THERE, THEN FIND THE LOCATION FOR THE NEW ENTRY.
if(!already_present)
{
assert(size() < CAPACITY);
index = hash(entry);
while(!is_vacant(index))
index = next_index(index);
++used;
}
data[index] = entry;
}

/*template<class recordType>*/
void remove(int key)
{
bool found;
std::size_t index; //SPOT WHERE DATA[INDEX].KEY==KEY

assert(key >= 0);

find_index(key,found,index);
if(found)
{
//THE KEY WAS FOUND SO REMOVE THIS RECORD AND REDUCE USED BY 1
data[index].key = PREVIOUSLY_USED; //INDICATES A SPOT THATS NO LONGER IN USE
--used;
}

}

//CONSTANT MEMBER FUNCTIONS
/*template<class recordType>*/
bool is_present(int key) const
{
bool found;
std::size_t index;
assert(key>=0);
find_index(key,found,index);
return found;

}

/* template<recordType>*/
void find(int key, bool &found, recordType &result) const
{
std::size_t index;
assert(key>=0);
find_index(key,found,index);
if(found)
result = data[index];
}

size_t size() const
{
return used;
}

};

#endif

void main()
{
table<tractor> tr;
tractor t;
t.key=28;
tr.insert(t);

}

Re: hash trouble

ZoogieZork10-Oct-03 18:11

ZoogieZork

10-Oct-03 18:11

Just a guess, based on the error code -- when you call find_index, you need to specify the template argument, e.g.: find_index<tractor>( ... ).

In many cases, the compiler will attempt to deduce the template argument based on the types of data you pass to it, but it can't in this case.

- Mike

pampatipraveen10-Oct-03 16:29

pampatipraveen

10-Oct-03 16:29

Hi,

I am newbee to VC++. I am basically C,C#,VB,VB.Net Programmer.
can anybody please let me know how to resize and reposition all the controls in the dialog in a dialog based applicaiton. actually I added a toobar, statusbar,treeview,listview and few buttons to the dialog. I want to resize and reposition the controls whenever user resizes the dialog window or maximize the dialog window. can anybody please give an idea to proceed or a sample to proceed ?

thanking you

Praveen

Re: how to resize and reposition all the controls in a dialog

Ravi Bhavnani10-Oct-03 16:46

Ravi Bhavnani

10-Oct-03 16:46

See this article.

/ravi

Let's put "civil" back in "civilization"
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ravib@ravib.com

passing parameters

Sirrius10-Oct-03 14:00

10-Oct-03 14:00

I have a problem and need somebody to show me the light.
I am trying to pass a struct through a template class called table. I keep generating an error of c2783 and cant for the life of me figure out why or what is wrong. The code is directly from a text book. Here is the code that is generating that error.

template<class recordType>
class table
{
table()
{
size_t i;
used = 0;
for(i=0; i<CAPACITY; ++i)
data[i].key = NEVER_USED;

}

//MODIFICATION MEMBER FUNCTIONS
template<class recordType>
void insert(const recordType &entry)
{
bool already_present;
size_t index;

assert(entry.key >= 0);

//SET INDEX SO THAT DATA[INDEX] IS THE SPOT TO PLACE THE NEW ENTRY

find_index(&entry.key,already_present,index);

//IF THE KEY WASN'T ALREADY THERE, THEN FIND THE LOCATION FOR THE NEW ENTRY.
if(!already_present)
{
assert(size() < CAPACITY);
index = hash(entry.key);
while(!is_vacant(index))
index = next_index(index);
++used;
}
data[index] = entry;
}
};

struct tractor
{
int key;
};

void main()
{
table<tractor> ta;
tractor t;
t.key=44;
ta.insert(t);

}

Michael Dunn10-Oct-03 14:47

Michael Dunn

10-Oct-03 14:47

Well, you didn't say where the error is happening, so I can only guess:

<s>template<class recordType></s>
void insert(const recordType &entry)

Take out the redundant template there, you only need that if the method has different template params than the class that it's in.

--Mike--
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Actual sign at the laundromat I go to: "No tinting or dying."

Sirrius10-Oct-03 15:04

10-Oct-03 15:04

sorry about not being more specific, but it seems to not like the way I am sending the parameter in the void main(). I will try your method and see what happends. thanks.

Also when I double-click on the error, it goes directly to the find_index() call in the insert function.

Such as: see the comment below.

void main()
{
  table<tractor> ta;
  tractor t;
  t.key=44;
  ta.insert(t); // this line seems to be generating the errors.  

}

Phil Hamer10-Oct-03 15:34

Phil Hamer

10-Oct-03 15:34

In searching Google, I actually found code very similar to this except they pass entry.key by value instead of taking address:

<br />
find_index(entry.key,already_present,index);<br />

You probably just made a typo.

Sirrius10-Oct-03 15:52