AppleWin/source/Debugger/Debugger_Console.cpp
2017-08-24 16:59:19 -07:00

639 lines
15 KiB
C++

/*
AppleWin : An Apple //e emulator for Windows
Copyright (C) 1994-1996, Michael O'Brien
Copyright (C) 1999-2001, Oliver Schmidt
Copyright (C) 2002-2005, Tom Charlesworth
Copyright (C) 2006-2010, Tom Charlesworth, Michael Pohoreski
AppleWin is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
AppleWin is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with AppleWin; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Description: Debugger Console support
*
* Author: Copyright (C) 2006 - 2010 Michael Pohoreski
*/
#include "StdAfx.h"
#include "Debug.h"
// Console ________________________________________________________________________________________
// See ConsoleInputReset() for why the console input
// is tied to the zero'th output of g_aConsoleDisplay
// and not using a seperate var: g_aConsoleInput[ CONSOLE_WIDTH ];
//
// : g_aConsoleBuffer[4] | ^ g_aConsoleDisplay[5] :
// : g_aConsoleBuffer[3] | | g_aConsoleDisplay[4] <- g_nConsoleDisplayTotal
// g_nConsoleBuffer -> g_aConsoleBuffer[2] | | g_aConsoleDisplay[3] :
// : g_aConsoleBuffer[1] v | g_aConsoleDisplay[2] :
// . g_aConsoleBuffer[0] -----> | g_aConsoleDisplay[1] .
// |
// g_aBufferedInput[0] -----> ConsoleInput ----> | g_aConsoleDisplay[0]
// g_aBufferedInput[1] ^
// g_aBufferedInput[2] |
// g_aBufferedInput[3] |
// Buffer
bool g_bConsoleBufferPaused = false; // buffered output is waiting for user to continue
int g_nConsoleBuffer = 0;
conchar_t g_aConsoleBuffer[ CONSOLE_BUFFER_HEIGHT ][ CONSOLE_WIDTH ]; // TODO: std::vector< line_t >
// Cursor
char g_sConsoleCursor[] = "_";
// Display
char g_aConsolePrompt[] = ">!"; // input, assembler // NUM_PROMPTS
char g_sConsolePrompt[] = ">"; // No, NOT Integer Basic! The nostalgic '*' "Monitor" doesn't look as good, IMHO. :-(
int g_nConsolePromptLen = 1;
bool g_bConsoleFullWidth = true; // false
int g_iConsoleDisplayStart = 0; // to allow scrolling
int g_nConsoleDisplayTotal = 0; // number of lines added to console
int g_nConsoleDisplayLines = 0;
int g_nConsoleDisplayWidth = 0;
conchar_t g_aConsoleDisplay[ CONSOLE_HEIGHT ][ CONSOLE_WIDTH ];
// Input History
int g_nHistoryLinesStart = 0;
int g_nHistoryLinesTotal = 0; // number of commands entered
char g_aHistoryLines[ HISTORY_HEIGHT ][ HISTORY_WIDTH ] = {""};
// Input Line
// Raw input Line (has prompt)
char g_aConsoleInput[ CONSOLE_WIDTH ]; // = g_aConsoleDisplay[0];
// Cooked input line (no prompt)
int g_nConsoleInputChars = 0;
char * g_pConsoleInput = 0; // points to past prompt
const char * g_pConsoleFirstArg = 0; // points to first arg
bool g_bConsoleInputQuoted = false; // Allows lower-case to be entered
char g_nConsoleInputSkip = '~';
// Prototypes _______________________________________________________________
// Console ________________________________________________________________________________________
int ConsoleLineLength( const conchar_t * pText )
{
int nLen = 0;
const conchar_t *pSrc = pText;
if (pText )
{
while (*pSrc)
{
pSrc++;
}
nLen = pSrc - pText;
}
return nLen;
}
//===========================================================================
const conchar_t* ConsoleBufferPeek ()
{
return g_aConsoleBuffer[ 0 ];
}
//===========================================================================
bool ConsolePrint ( const char * pText )
{
while (g_nConsoleBuffer >= CONSOLE_BUFFER_HEIGHT)
{
ConsoleBufferToDisplay();
}
// Convert color string to native console color text
// Ignores g_nConsoleDisplayWidth
char c;
int x = 0;
const char *pSrc = pText;
conchar_t *pDst = & g_aConsoleBuffer[ g_nConsoleBuffer ][ 0 ];
conchar_t g = 0;
bool bHaveColor = false;
char cColor = 0;
while ((x < CONSOLE_WIDTH) && (c = *pSrc))
{
if ((c == '\n') || (x >= (CONSOLE_WIDTH - 1)))
{
*pDst = 0;
x = 0;
if (g_nConsoleBuffer >= CONSOLE_BUFFER_HEIGHT)
{
ConsoleBufferToDisplay();
}
else
{
g_nConsoleBuffer++;
}
pDst = & g_aConsoleBuffer[ g_nConsoleBuffer ][ 0 ];
}
else
{
g = (c & _CONSOLE_COLOR_MASK);
// `# `A color encode mouse text
if (ConsoleColor_IsCharMeta( c ))
{
if (! pSrc[1])
break;
if (ConsoleColor_IsCharMeta( pSrc[1] )) // ` `
{
bHaveColor = false;
cColor = 0;
g = ConsoleColor_MakeColor( cColor, c );
*pDst = g;
x++;
pDst++;
}
else
if (ConsoleColor_IsCharColor( pSrc[1] )) // ` #
{
cColor = pSrc[1];
bHaveColor = true;
}
else // ` @
{
c = ConsoleColor_MakeMouse( pSrc[1] );
g = ConsoleColor_MakeColor( cColor, c );
*pDst = g;
x++;
pDst++;
}
pSrc++;
pSrc++;
}
else
{
if (bHaveColor)
{
g = ConsoleColor_MakeColor( cColor, c );
bHaveColor = false;
}
*pDst = g;
x++;
pDst++;
pSrc++;
}
}
/*
if (ConsoleColor_IsCharMeta( c ))
{
// Convert mult-byte to packed char
// 0 1 2 Offset
// =====
// 1 ~ - null
// 2 ~ 0 - null - exit
// 3 ~ 0 x color (3 bytes packed into char16
// 4 ~ @ - mouse text
// 5 ~ @ x mouse Text
// 6 ~ ~ ~
// Legend:
// ~ Color escape
// x Any char
// - Null
if (pSrc[1])
{
if (ConsoleColor_IsCharMeta( pSrc[1] )) // 6
{
*pDst = c;
x++;
pSrc += 2;
pDst++;
}
else
if (ConsoleColor_IsCharColor( pSrc[1] ))
{
if (pSrc[2]) // 3
{
x++;
*pDst = ConsoleColor_MakeColor( pSrc[1], pSrc[2] );
pSrc += 3;
pDst++;
}
else
break; // 2
}
else // 4 or 5
{
*pDst = ConsoleColor_MakeMeta( pSrc[1] );
x++;
pSrc += 2;
pDst++;
}
}
else
break; // 1
}
else
{
*pDst = (c & _CONSOLE_COLOR_MASK);
x++;
pSrc++;
pDst++;
}
*/
}
*pDst = 0;
g_nConsoleBuffer++;
return true;
}
bool ConsolePrintVa ( char* buf, size_t bufsz, const char * pFormat, va_list va )
{
vsnprintf_s(buf, bufsz, _TRUNCATE, pFormat, va);
return ConsolePrint(buf);
}
bool ConsoleBufferPushVa ( char* buf, size_t bufsz, const char * pFormat, va_list va )
{
vsnprintf_s(buf, bufsz, _TRUNCATE, pFormat, va);
return ConsoleBufferPush(buf);
}
// Add string to buffered output
// Shifts the buffered console output lines "Up"
//===========================================================================
bool ConsoleBufferPush ( const char * pText )
{
while (g_nConsoleBuffer >= CONSOLE_BUFFER_HEIGHT)
{
ConsoleBufferToDisplay();
}
conchar_t c;
int x = 0;
const char *pSrc = pText;
conchar_t *pDst = & g_aConsoleBuffer[ g_nConsoleBuffer ][ 0 ];
while ((x < CONSOLE_WIDTH) && *pSrc)
{
c = *pSrc;
if ((c == '\n') || (x == (CONSOLE_WIDTH - 1)))
{
*pDst = 0;
x = 0;
if (g_nConsoleBuffer >= CONSOLE_BUFFER_HEIGHT)
{
ConsoleBufferToDisplay();
}
else
{
g_nConsoleBuffer++;
}
pSrc++;
pDst = & g_aConsoleBuffer[ g_nConsoleBuffer ][ 0 ];
}
else
{
*pDst = (c & _CONSOLE_COLOR_MASK);
x++;
pSrc++;
pDst++;
}
}
*pDst = 0;
g_nConsoleBuffer++;
return true;
}
// Shifts the buffered console output "down"
//===========================================================================
void ConsoleBufferPop ()
{
int y = 0;
while (y < g_nConsoleBuffer)
{
memcpy(
g_aConsoleBuffer[ y ],
g_aConsoleBuffer[ y+1 ],
sizeof( conchar_t ) * CONSOLE_WIDTH
);
y++;
}
g_nConsoleBuffer--;
if (g_nConsoleBuffer < 0)
g_nConsoleBuffer = 0;
}
// Remove string from buffered output
//===========================================================================
void ConsoleBufferToDisplay ()
{
ConsoleDisplayPush( ConsoleBufferPeek() );
ConsoleBufferPop();
}
// No mark-up. Straight ASCII conversion
//===========================================================================
void ConsoleConvertFromText ( conchar_t * sText, const char * pText )
{
int x = 0;
const char *pSrc = pText;
conchar_t *pDst = sText;
while (pSrc && *pSrc)
{
*pDst = (conchar_t) (*pSrc & _CONSOLE_COLOR_MASK);
pSrc++;
pDst++;
}
*pDst = 0;
}
//===========================================================================
Update_t ConsoleDisplayError ( const char * pText)
{
ConsoleBufferPush( pText );
return ConsoleUpdate();
}
//===========================================================================
void ConsoleDisplayPush ( const char * pText )
{
conchar_t sText[ CONSOLE_WIDTH * 2 ];
ConsoleConvertFromText( sText, pText );
ConsoleDisplayPush( sText );
}
// Shifts the console display lines "up"
//===========================================================================
void ConsoleDisplayPush ( const conchar_t * pText )
{
int nLen = MIN( g_nConsoleDisplayTotal, CONSOLE_HEIGHT - 1 - CONSOLE_FIRST_LINE);
while (nLen--)
{
memcpy(
(char*) g_aConsoleDisplay[(nLen + 1 + CONSOLE_FIRST_LINE )]
, (char*) g_aConsoleDisplay[nLen + CONSOLE_FIRST_LINE]
, sizeof(conchar_t) * CONSOLE_WIDTH
);
}
if (pText)
{
memcpy(
(char*) g_aConsoleDisplay[ CONSOLE_FIRST_LINE ]
, pText
, sizeof(conchar_t) * CONSOLE_WIDTH
);
}
g_nConsoleDisplayTotal++;
if (g_nConsoleDisplayTotal > (CONSOLE_HEIGHT - CONSOLE_FIRST_LINE))
g_nConsoleDisplayTotal = (CONSOLE_HEIGHT - CONSOLE_FIRST_LINE);
}
//===========================================================================
void ConsoleDisplayPause ()
{
if (g_nConsoleBuffer)
{
#if CONSOLE_INPUT_CHAR16
ConsoleConvertFromText(
g_aConsoleInput,
"...press SPACE continue, ESC skip..."
);
g_nConsolePromptLen = ConsoleLineLength( g_pConsoleInput ) + 1;
#else
strcpy(
g_aConsoleInput,
"...press SPACE continue, ESC skip..."
);
g_nConsolePromptLen = strlen( g_pConsoleInput ) + 1;
#endif
g_nConsoleInputChars = 0;
g_bConsoleBufferPaused = true;
}
else
{
ConsoleInputReset();
}
}
//===========================================================================
bool ConsoleInputBackSpace ()
{
if (g_nConsoleInputChars)
{
g_pConsoleInput[ g_nConsoleInputChars ] = CHAR_SPACE;
g_nConsoleInputChars--;
if ((g_pConsoleInput[ g_nConsoleInputChars ] == CHAR_QUOTE_DOUBLE) ||
(g_pConsoleInput[ g_nConsoleInputChars ] == CHAR_QUOTE_SINGLE))
g_bConsoleInputQuoted = ! g_bConsoleInputQuoted;
g_pConsoleInput[ g_nConsoleInputChars ] = CHAR_SPACE;
return true;
}
return false;
}
// Clears prompt too
//===========================================================================
bool ConsoleInputClear ()
{
ZeroMemory( g_aConsoleInput, CONSOLE_WIDTH );
if (g_nConsoleInputChars)
{
g_nConsoleInputChars = 0;
return true;
}
return false;
}
//===========================================================================
bool ConsoleInputChar ( const char ch )
{
if (g_nConsoleInputChars < g_nConsoleDisplayWidth) // bug? include prompt?
{
g_pConsoleInput[ g_nConsoleInputChars ] = ch;
g_nConsoleInputChars++;
return true;
}
return false;
}
//===========================================================================
void ConsoleUpdateCursor ( char ch )
{
if (ch)
g_sConsoleCursor[0] = ch;
else
{
ch = (char) g_aConsoleInput[ g_nConsoleInputChars + g_nConsolePromptLen ];
if (! ch)
{
ch = CHAR_SPACE;
}
g_sConsoleCursor[0] = ch;
}
}
//===========================================================================
const char * ConsoleInputPeek ()
{
// return g_aConsoleDisplay[0];
// return g_pConsoleInput;
return g_aConsoleInput;
}
//===========================================================================
void ConsoleInputReset ()
{
// Not using g_aConsoleInput since we get drawing of the input Line for "Free"
// Even if we add console scrolling, we don't need any special logic to draw the input line.
g_bConsoleInputQuoted = false;
ConsoleInputClear();
// _tcscpy( g_aConsoleInput, g_sConsolePrompt ); // Assembler can change prompt
g_aConsoleInput[0] = g_sConsolePrompt[0];
g_nConsolePromptLen = 1;
// int nLen = strlen( g_aConsoleInput );
#if CONSOLE_INPUT_CHAR16
int nLen = ConsoleLineLength( g_aConsoleInput );
#else
int nLen = strlen( g_aConsoleInput );
#endif
g_pConsoleInput = &g_aConsoleInput[ g_nConsolePromptLen ];
g_nConsoleInputChars = 0;
}
//===========================================================================
int ConsoleInputTabCompletion ()
{
return UPDATE_CONSOLE_INPUT;
}
//===========================================================================
Update_t ConsoleScrollHome ()
{
g_iConsoleDisplayStart = g_nConsoleDisplayTotal - CONSOLE_FIRST_LINE;
if (g_iConsoleDisplayStart < 0)
g_iConsoleDisplayStart = 0;
return UPDATE_CONSOLE_DISPLAY;
}
//===========================================================================
Update_t ConsoleScrollEnd ()
{
g_iConsoleDisplayStart = 0;
return UPDATE_CONSOLE_DISPLAY;
}
//===========================================================================
Update_t ConsoleScrollUp ( int nLines )
{
g_iConsoleDisplayStart += nLines;
if (g_iConsoleDisplayStart > (g_nConsoleDisplayTotal - CONSOLE_FIRST_LINE))
g_iConsoleDisplayStart = (g_nConsoleDisplayTotal - CONSOLE_FIRST_LINE);
if (g_iConsoleDisplayStart < 0)
g_iConsoleDisplayStart = 0;
return UPDATE_CONSOLE_DISPLAY;
}
//===========================================================================
Update_t ConsoleScrollDn ( int nLines )
{
g_iConsoleDisplayStart -= nLines;
if (g_iConsoleDisplayStart < 0)
g_iConsoleDisplayStart = 0;
return UPDATE_CONSOLE_DISPLAY;
}
//===========================================================================
Update_t ConsoleScrollPageUp ()
{
ConsoleScrollUp( g_nConsoleDisplayLines - CONSOLE_FIRST_LINE );
return UPDATE_CONSOLE_DISPLAY;
}
//===========================================================================
Update_t ConsoleScrollPageDn ()
{
ConsoleScrollDn( g_nConsoleDisplayLines - CONSOLE_FIRST_LINE );
return UPDATE_CONSOLE_DISPLAY;
}
//===========================================================================
Update_t ConsoleBufferTryUnpause (int nLines)
{
for( int y = 0; y < nLines; y++ )
{
ConsoleBufferToDisplay();
}
g_bConsoleBufferPaused = false;
if (g_nConsoleBuffer)
{
g_bConsoleBufferPaused = true;
ConsoleDisplayPause();
return UPDATE_CONSOLE_INPUT | UPDATE_CONSOLE_DISPLAY;
}
return UPDATE_CONSOLE_DISPLAY;
}
// Flush the console
//===========================================================================
Update_t ConsoleUpdate ()
{
if (! g_bConsoleBufferPaused)
{
int nLines = MIN( g_nConsoleBuffer, g_nConsoleDisplayLines - 1);
return ConsoleBufferTryUnpause( nLines );
}
return UPDATE_CONSOLE_DISPLAY;
}
//===========================================================================
void ConsoleFlush ()
{
int nLines = g_nConsoleBuffer;
ConsoleBufferTryUnpause( nLines );
}