cmdInt.h File Reference

#include "base/main/mainInt.h"
#include "cmd.h"

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Classes
struct	MvCommand
	INCLUDES ///. More...
struct	MvAlias

Functions
void	CmdCommandAliasAdd (Abc_Frame_t *pAbc, char *sName, int argc, char **argv)
	MACRO DEFINITIONS ///.
void	CmdCommandAliasPrint (Abc_Frame_t *pAbc, Abc_Alias *pAlias)
char *	CmdCommandAliasLookup (Abc_Frame_t *pAbc, char *sCommand)
void	CmdCommandAliasFree (Abc_Alias *p)
int	CmdCommandDispatch (Abc_Frame_t *pAbc, int *argc, char ***argv)
const char *	CmdSplitLine (Abc_Frame_t *pAbc, const char *sCommand, int *argc, char ***argv)
int	CmdApplyAlias (Abc_Frame_t *pAbc, int *argc, char ***argv, int *loop)
char *	CmdHistorySubstitution (Abc_Frame_t *pAbc, char *line, int *changed)
FILE *	CmdFileOpen (Abc_Frame_t *pAbc, char *sFileName, char *sMode, char **pFileNameReal, int silent)
void	CmdFreeArgv (int argc, char **argv)
char **	CmdAddToArgv (int argc, char **argv)
void	CmdCommandFree (Abc_Command *pCommand)
void	CmdCommandPrint (Abc_Frame_t *pAbc, int fPrintAll, int fDetails)
void	CmdPrintTable (st__table *tTable, int fAliases)

Function Documentation

CmdAddToArgv()

char ** CmdAddToArgv ( int argc, char ** argv )

extern

Function*************************************************************

Synopsis [Frees the previously allocated argv array.]

Description []

SideEffects []

SeeAlso []

Definition at line 516 of file cmdUtils.c.

{
    char ** argv2;
    int i;
    argv2 = ABC_ALLOC( char *, argc + 1 ); 
    argv2[0] = Extra_UtilStrsav( "read" ); 
//    argv2[0] = Extra_UtilStrsav( "&r" ); 
    for ( i = 0; i < argc; i++ )
        argv2[i+1] = Extra_UtilStrsav( argv[i] ); 
    return argv2;
}

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CmdApplyAlias()

int CmdApplyAlias ( Abc_Frame_t * pAbc, int * argcp, char *** argvp, int * loop )

extern

Function*************************************************************

Synopsis [Replaces parts of the command line string by aliases if given.]

Description []

SideEffects []

SeeAlso []

Definition at line 271 of file cmdUtils.c.

{
    int i, argc, stopit, added, offset, did_subst, subst, fError, newc, j;
    const char *arg;
    char **argv, **newv;
    Abc_Alias *alias;
 
    argc = *argcp;
    argv = *argvp;
    stopit = 0;
    for ( ; *loop < 200; ( *loop )++ )
    {
        if ( argc == 0 )
            return 0;
        if ( stopit != 0 || st__lookup( pAbc->tAliases, argv[0],  (char **) &alias ) == 0 )
        {
            return 0;
        }
        if ( strcmp( argv[0], alias->argv[0] ) == 0 )
        {
            stopit = 1;
        }
        ABC_FREE( argv[0] );
        added = alias->argc - 1;
 
        /* shift all the arguments to the right */
        if ( added != 0 )
        {
            argv = ABC_REALLOC( char *, argv, argc + added );
            for ( i = argc - 1; i >= 1; i-- )
            {
                argv[i + added] = argv[i];
            }
            for ( i = 1; i <= added; i++ )
            {
                argv[i] = NULL;
            }
            argc += added;
        }
        subst = 0;
        for ( i = 0, offset = 0; i < alias->argc; i++, offset++ )
        {
            arg = CmdHistorySubstitution( pAbc, alias->argv[i], &did_subst );
            if ( arg == NULL )
            {
                *argcp = argc;
                *argvp = argv;
                return ( 1 );
            }
            if ( did_subst != 0 )
            {
                subst = 1;
            }
            fError = 0;
            do
            {
                arg = CmdSplitLine( pAbc, arg, &newc, &newv );
                /*
                 * If there's a complete `;' terminated command in `arg',
                 * when split_line() returns arg[0] != '\0'.
                 */
                if ( arg[0] == '\0' )
                { /* just a bunch of words */
                    break;
                }
                fError = CmdApplyAlias( pAbc, &newc, &newv, loop );
                if ( fError == 0 )
                {
                       fError = CmdCommandDispatch( pAbc, &newc, &newv );
                }
                CmdFreeArgv( newc, newv );
            }
            while ( fError == 0 );
            if ( fError != 0 )
            {
                *argcp = argc;
                *argvp = argv;
                return ( 1 );
            }
            added = newc - 1;
            if ( added != 0 )
            {
                argv = ABC_REALLOC( char *, argv, argc + added );
                for ( j = argc - 1; j > offset; j-- )
                {
                    argv[j + added] = argv[j];
                }
                argc += added;
            }
            for ( j = 0; j <= added; j++ )
            {
                argv[j + offset] = newv[j];
            }
            ABC_FREE( newv );
            offset += added;
        }
        if ( subst == 1 )
        {
            for ( i = offset; i < argc; i++ )
            {
                ABC_FREE( argv[i] );
            }
            argc = offset;
        }
        *argcp = argc;
        *argvp = argv;
    }
 
    fprintf( pAbc->Err, "** cmd warning: alias loop\n" );
    return 1;
}

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CmdCommandAliasAdd()

void CmdCommandAliasAdd ( Abc_Frame_t * pAbc, char * sName, int argc, char ** argv )

extern

MACRO DEFINITIONS ///.

FUNCTION DEFINITIONS ///

MACRO DEFINITIONS ///.

CFile****************************************************************

FileName [cmdAlias.c]

SystemName [ABC: Logic synthesis and verification system.]

PackageName [Command processing package.]

Synopsis [Procedures dealing with aliases in the command package.]

Author [Alan Mishchenko]

Affiliation [UC Berkeley]

Date [Ver. 1.0. Started - June 20, 2005.]

Revision [

Id

cmdAlias.c,v 1.00 2005/06/20 00:00:00 alanmi Exp

] FUNCTION DEFINITIONS /// Function*************************************************************

Synopsis []

Description []

SideEffects []

SeeAlso []

Definition at line 46 of file cmdAlias.c.

{
    Abc_Alias * pAlias;
    int fStatus, i;
 
    pAlias = ABC_ALLOC(Abc_Alias, 1);
    pAlias->sName = Extra_UtilStrsav(sName);
    pAlias->argc = argc;
    pAlias->argv = ABC_ALLOC(char *, pAlias->argc);
    for(i = 0; i < argc; i++) 
        pAlias->argv[i] = Extra_UtilStrsav(argv[i]);
    fStatus = st__insert( pAbc->tAliases, pAlias->sName, (char *) pAlias );
    assert(!fStatus);  
}

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CmdCommandAliasFree()

void CmdCommandAliasFree ( Abc_Alias * pAlias )

extern

Function*************************************************************

Synopsis []

Description []

SideEffects []

SeeAlso []

Definition at line 113 of file cmdAlias.c.

{
    CmdFreeArgv( pAlias->argc, pAlias->argv );
    ABC_FREE(pAlias->sName);    
    ABC_FREE(pAlias);
}

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CmdCommandAliasLookup()

char * CmdCommandAliasLookup ( Abc_Frame_t * pAbc, char * sCommand )

extern

Function********************************************************************

Synopsis [required]

Description [optional]

SideEffects [required]

SeeAlso [optional]

Definition at line 92 of file cmdAlias.c.

{
  Abc_Alias * pAlias;
  char * value;
  if (! st__lookup( pAbc->tAliases, sCommand, &value)) 
    return sCommand;
  pAlias = (Abc_Alias *) value;
  return pAlias->argv[0];
}

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CmdCommandAliasPrint()

void CmdCommandAliasPrint ( Abc_Frame_t * pAbc, Abc_Alias * pAlias )

extern

Function********************************************************************

Synopsis [required]

Description [optional]

SideEffects [required]

SeeAlso [optional]

Definition at line 72 of file cmdAlias.c.

{
    int i;
    fprintf(pAbc->Out, "%-15s", pAlias->sName);
    for(i = 0; i < pAlias->argc; i++) 
        fprintf( pAbc->Out, " %s", pAlias->argv[i] );
    fprintf( pAbc->Out, "\n" );
}

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CmdCommandDispatch()

int CmdCommandDispatch ( Abc_Frame_t * pAbc, int * pargc, char *** pargv )

extern

Function*************************************************************

Synopsis [Executes one command.]

Description []

SideEffects []

SeeAlso []

Definition at line 97 of file cmdUtils.c.

{
    int argc = *pargc;
    char ** argv = *pargv;
    char ** argv2;
 
    Abc_Ntk_t * pNetCopy;
    int (*pFunc) ( Abc_Frame_t *, int, char ** );
    Abc_Command * pCommand;
    char * value;
    int fError;
    double clk;
 
    if ( argc == 0 )
        return 0;
 
    if ( cmdCheckShellEscape( pAbc, argc, argv ) == 1 )
        return 0;
 
    // get the command
    if ( ! st__lookup( pAbc->tCommands, argv[0], (char **)&pCommand ) )
    {   // the command is not in the table
        // if there is only one word with an extension, assume this is file to be read
        if ( argc == 1 && strstr( argv[0], "." ) )
        {
            // add command 'read' assuming that this is the file name
            argv2 = CmdAddToArgv( argc, argv );
            CmdFreeArgv( argc, argv );
            argc = argc+1;
            argv = argv2;
            *pargc = argc;
            *pargv = argv;
            if ( ! st__lookup( pAbc->tCommands, argv[0], (char **)&pCommand ) )
                assert( 0 );
        }
        else
        {
            fprintf( pAbc->Err, "** cmd error: unknown command '%s'\n", argv[0] );
            fprintf( pAbc->Err, "(this is likely caused by using an alias defined in \"abc.rc\"\n" );
            fprintf( pAbc->Err, "without having this file in the current or parent directory)\n" );
            return 1;
        }
    }
 
    // get the backup network if the command is going to change the network
    if ( pCommand->fChange ) 
    {
        if ( pAbc->pNtkCur && Abc_FrameIsFlagEnabled( "backup" ) )
        {
            pNetCopy = Abc_NtkDup( pAbc->pNtkCur );
            Abc_FrameSetCurrentNetwork( pAbc, pNetCopy );
            // swap the current network and the backup network 
            // to prevent the effect of resetting the short names
            Abc_FrameSwapCurrentAndBackup( pAbc );
        }
    }
 
    // execute the command
    clk = Extra_CpuTimeDouble();
    pFunc = (int (*)(Abc_Frame_t *, int, char **))pCommand->pFunc;
    fError = (*pFunc)( pAbc, argc, argv );
    pAbc->TimeCommand += Extra_CpuTimeDouble() - clk;
 
    // automatic execution of arbitrary command after each command 
    // usually this is a passive command ... 
    if ( fError == 0 && !pAbc->fAutoexac )
    {
        if ( st__lookup( pAbc->tFlags, "autoexec", &value ) )
        {
            pAbc->fAutoexac = 1;
            fError = Cmd_CommandExecute( pAbc, value );
            pAbc->fAutoexac = 0;
        }
    }
    return fError;
}

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CmdCommandFree()

void CmdCommandFree ( Abc_Command * pCommand )

extern

Function*************************************************************

Synopsis [Frees the previously allocated command.]

Description []

SideEffects []

SeeAlso []

Definition at line 539 of file cmdUtils.c.

{
    ABC_FREE( pCommand->sGroup );
    ABC_FREE( pCommand->sName );
    ABC_FREE( pCommand );
}

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CmdCommandPrint()

void CmdCommandPrint ( Abc_Frame_t * pAbc, int fPrintAll, int fDetails )

extern

Function*************************************************************

Synopsis [Prints commands alphabetically by group.]

Description []

SideEffects []

SeeAlso []

Definition at line 558 of file cmdUtils.c.

{
    const char *key;
    char *value;
    st__generator * gen;
    Abc_Command ** ppCommands;
    Abc_Command * pCommands;
    int nCommands, iGroupStart, i, j;
    char * sGroupCur;
    int LenghtMax, nColumns, iCom = 0;
    FILE *backupErr = pAbc->Err;
 
    // put all commands into one array
    nCommands = st__count( pAbc->tCommands );
    ppCommands = ABC_ALLOC( Abc_Command *, nCommands );
    i = 0;
    st__foreach_item( pAbc->tCommands, gen, &key, &value )
    {
        pCommands = (Abc_Command *)value;
        if ( fPrintAll || pCommands->sName[0] != '_' )
            ppCommands[i++] = pCommands;
    }
    nCommands = i;
 
    // sort command by group and then by name, alphabetically
    qsort( (void *)ppCommands, (size_t)nCommands, sizeof(Abc_Command *), 
            (int (*)(const void *, const void *)) CmdCommandPrintCompare );
    assert( CmdCommandPrintCompare( ppCommands, ppCommands + nCommands - 1 ) <= 0 );
 
    // get the longest command name
    LenghtMax = 0;
    for ( i = 0; i < nCommands; i++ )
        if ( LenghtMax < (int)strlen(ppCommands[i]->sName) )
             LenghtMax = (int)strlen(ppCommands[i]->sName); 
    // get the number of columns
    nColumns = 79 / (LenghtMax + 2);
 
    // print the starting message 
    fprintf( pAbc->Out, "      Welcome to ABC compiled on %s %s!", __DATE__, __TIME__ );
 
    // print the command by group
    sGroupCur = NULL;
    iGroupStart = 0;
    pAbc->Err = pAbc->Out;
    for ( i = 0; i < nCommands; i++ )
        if ( sGroupCur && strcmp( sGroupCur, ppCommands[i]->sGroup ) == 0 )
        { // this command belongs to the same group as the previous one
            if ( iCom++ % nColumns == 0 )
                fprintf( pAbc->Out, "\n" ); 
            // print this command
            fprintf( pAbc->Out, " %-*s", LenghtMax, ppCommands[i]->sName );
        }
        else
        { // this command starts the new group of commands
            // start the new group
            if ( fDetails && i != iGroupStart )
            { // print help messages for all commands in the previous groups
                fprintf( pAbc->Out, "\n" );
                for ( j = iGroupStart; j < i; j++ )
                {
                    char *tmp_cmd;
                    fprintf( pAbc->Out, "\n" );
                    // fprintf( pAbc->Out, "--- %s ---\n", ppCommands[j]->sName );
                    tmp_cmd = ABC_ALLOC(char, strlen(ppCommands[j]->sName)+4);
                    (void) sprintf(tmp_cmd, "%s -h", ppCommands[j]->sName);
                    (void) Cmd_CommandExecute( pAbc, tmp_cmd );
                    ABC_FREE(tmp_cmd);
                }
                fprintf( pAbc->Out, "\n" );
                fprintf( pAbc->Out, "   ----------------------------------------------------------------------" );
                iGroupStart = i;
            }
            fprintf( pAbc->Out, "\n" );
            fprintf( pAbc->Out, "\n" );
            fprintf( pAbc->Out, "%s commands:\n", ppCommands[i]->sGroup );
            // print this command
            fprintf( pAbc->Out, " %-*s", LenghtMax, ppCommands[i]->sName );
            // remember current command group
            sGroupCur = ppCommands[i]->sGroup;
            // reset the command counter
            iCom = 1;
        }
    if ( fDetails && i != iGroupStart )
    { // print help messages for all commands in the previous groups
        fprintf( pAbc->Out, "\n" );
        for ( j = iGroupStart; j < i; j++ )
        {
            char *tmp_cmd;
            fprintf( pAbc->Out, "\n" );
            // fprintf( pAbc->Out, "--- %s ---\n", ppCommands[j]->sName );
            tmp_cmd = ABC_ALLOC(char, strlen(ppCommands[j]->sName)+4);
            (void) sprintf(tmp_cmd, "%s -h", ppCommands[j]->sName);
            (void) Cmd_CommandExecute( pAbc, tmp_cmd );
            ABC_FREE(tmp_cmd);
        }
    }
    pAbc->Err = backupErr;
    fprintf( pAbc->Out, "\n" );
    ABC_FREE( ppCommands );
}

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CmdFileOpen()

FILE * CmdFileOpen ( Abc_Frame_t * pAbc, char * sFileName, char * sMode, char ** pFileNameReal, int silent )

extern

Function*************************************************************

Synopsis [Opens the file with path (now, disabled).]

Description []

SideEffects []

SeeAlso []

Definition at line 412 of file cmdUtils.c.

{
    char * sRealName, * sPathUsr, * sPathLib, * sPathAll;
    FILE * pFile;
    
    if (strcmp(sFileName, "-") == 0) {
        if (strcmp(sMode, "w") == 0) {
            sRealName = Extra_UtilStrsav( "stdout" );
            pFile = stdout;
        }
        else {
            sRealName = Extra_UtilStrsav( "stdin" );
            pFile = stdin;
        }
    }
    else {
        sRealName = NULL;
        if (strcmp(sMode, "r") == 0) {
            
            /* combine both pathes if exist */
            sPathUsr = Cmd_FlagReadByName(pAbc,"open_path");
            sPathLib = Cmd_FlagReadByName(pAbc,"lib_path");
            
            if ( sPathUsr == NULL && sPathLib == NULL ) {
                sPathAll = NULL;
            }
            else if ( sPathUsr == NULL ) {
                sPathAll = Extra_UtilStrsav( sPathLib );
            }
            else if ( sPathLib == NULL ) {
                sPathAll = Extra_UtilStrsav( sPathUsr );
            }
            else {
                sPathAll = ABC_ALLOC( char, strlen(sPathLib)+strlen(sPathUsr)+5 );
                sprintf( sPathAll, "%s:%s",sPathUsr, sPathLib );
            }
            if ( sPathAll != NULL ) {
                sRealName = Extra_UtilFileSearch(sFileName, sPathAll, "r");
                ABC_FREE( sPathAll );
            }
        }
        if (sRealName == NULL) {
            sRealName = Extra_UtilTildeExpand(sFileName);
        }
 
        if ((pFile = fopen(sRealName, sMode)) == NULL) {
            if (! silent) {
//                perror(sRealName);
                Abc_Print( 1, "Cannot open file \"%s\".\n", sRealName );
            }
        }
        else
        {
            // print the path/name of the resource file 'abc.rc' that is being loaded
            if ( !silent && strlen(sRealName) >= 6 && strcmp( sRealName + strlen(sRealName) - 6, "abc.rc" ) == 0 )
                Abc_Print( 1, "Loading resource file \"%s\".\n", sRealName );
        }
    }
    if ( pFileNameReal )
        *pFileNameReal = sRealName;
    else
        ABC_FREE(sRealName);
    
    return pFile;
}

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CmdFreeArgv()

void CmdFreeArgv ( int argc, char ** argv )

extern

Function*************************************************************

Synopsis [Frees the previously allocated argv array.]

Description []

SideEffects []

SeeAlso []

Definition at line 489 of file cmdUtils.c.

{
    int i;
    for ( i = 0; i < argc; i++ )
        ABC_FREE( argv[i] );
    ABC_FREE( argv );
}

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CmdHistorySubstitution()

char * CmdHistorySubstitution ( Abc_Frame_t * pAbc, char * line, int * changed )

extern

Function*************************************************************

Synopsis [Performs history substitution (now, disabled).]

Description []

SideEffects []

SeeAlso []

Definition at line 394 of file cmdUtils.c.

{
    // as of today, no history substitution 
    *changed = 0;
    return line;
}

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CmdPrintTable()

void CmdPrintTable ( st__table * tTable, int fAliases )

extern

Function*************************************************************

Synopsis [Comparision function used for sorting commands.]

Description []

SideEffects []

SeeAlso []

Definition at line 726 of file cmdUtils.c.

{
    st__generator * gen;
    const char ** ppNames;
    const char * key;
    char* value;
    int nNames, i;
 
    // collect keys in the array
    ppNames = ABC_ALLOC( const char *, st__count(tTable) );
    nNames = 0;
    st__foreach_item( tTable, gen, &key, &value )
        ppNames[nNames++] = key;
 
    // sort array by name
    qsort( (void *)ppNames, (size_t)nNames, sizeof(char *), 
        (int (*)(const void *, const void *))CmdNamePrintCompare );
 
    // print in this order
    for ( i = 0; i < nNames; i++ )
    {
        st__lookup( tTable, ppNames[i], &value );
        if ( fAliases )
            CmdCommandAliasPrint( Abc_FrameGetGlobalFrame(), (Abc_Alias *)value );
        else
            fprintf( stdout, "%-15s %-15s\n", ppNames[i], value );
    }
    ABC_FREE( ppNames );
}

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CmdSplitLine()

const char * CmdSplitLine ( Abc_Frame_t * pAbc, const char * sCommand, int * argc, char *** argv )

extern

Function*************************************************************

Synopsis [Splits the command line string into individual commands.]

Description []

SideEffects []

SeeAlso []

Definition at line 185 of file cmdUtils.c.

{
    const char *p, *start;
    char c;
    int i, j;
    char *new_arg;
    Vec_Ptr_t * vArgs;
    int single_quote, double_quote;
 
    vArgs = Vec_PtrAlloc( 10 );
 
    p = sCommand;
    for ( ;; )
    {
        // skip leading white space 
        while ( isspace( ( int ) *p ) )
        {
            p++;
        }
 
        // skip until end of this token 
        single_quote = double_quote = 0;
        for ( start = p; ( c = *p ) != '\0'; p++ )
        {
            if ( c == ';' || c == '#' || isspace( ( int ) c ) )
            {
                if ( !single_quote && !double_quote )
                {
                    break;
                }
            }
            if ( c == '\'' )
            {
                single_quote = !single_quote;
            }
            if ( c == '"' )
            {
                double_quote = !double_quote;
            }
        }
        if ( single_quote || double_quote )
        {
            ( void ) fprintf( pAbc->Err, "** cmd warning: ignoring unbalanced quote ...\n" );
        }
        if ( start == p )
            break;
 
        new_arg = ABC_ALLOC( char, p - start + 1 );
        j = 0;
        for ( i = 0; i < p - start; i++ )
        {
            c = start[i];
            if ( ( c != '\'' ) && ( c != '\"' ) )
            {
                new_arg[j++] = isspace( ( int ) c ) ? ' ' : start[i];
            }
        }
        new_arg[j] = '\0';
        Vec_PtrPush( vArgs, new_arg );
    }
 
    *argc = vArgs->nSize;
    *argv = (char **)Vec_PtrReleaseArray( vArgs );
    Vec_PtrFree( vArgs );
    if ( *p == ';' )
    {
        p++;
    }
    else if ( *p == '#' )
    {
        for ( ; *p != 0; p++ ); // skip to end of line 
    }
    return p;
}

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