cvrin.c File Reference

#include <ctype.h>
#include "espresso.h"

Include dependency graph for cvrin.c:

Go to the source code of this file.

Functions
void	skip_line (FILE *fpin, FILE *fpout, bool echo)
char *	get_word (FILE *fp, char *word)
void	read_cube (FILE *fp, pPLA PLA)
void	parse_pla (IN FILE *fp, INOUT pPLA PLA)
int	read_pla (IN FILE *fp, IN bool needs_dcset, IN bool needs_offset, IN int pla_type, OUT pPLA *PLA_return)
void	PLA_summary (pPLA PLA)
pPLA	new_PLA ()
void	PLA_labels (pPLA PLA)
void	free_PLA (pPLA PLA)
int	read_symbolic (FILE *fp, pPLA PLA, char *word, symbolic_t **retval)
int	label_index (pPLA PLA, char *word, int *varp, int *ip)

Function Documentation

free_PLA()

void free_PLA

(

pPLA

PLA

)

Definition at line 676 of file cvrin.c.

{
    symbolic_list_t *p2, *p2next;
    symbolic_t *p1, *p1next;
    int i;
 
    if (PLA->F != (pcover) NULL)
    free_cover(PLA->F);
    if (PLA->R != (pcover) NULL)
    free_cover(PLA->R);
    if (PLA->D != (pcover) NULL)
    free_cover(PLA->D);
    if (PLA->phase != (pcube) NULL)
    free_cube(PLA->phase);
    if (PLA->pair != (ppair) NULL) {
    FREE(PLA->pair->var1);
    FREE(PLA->pair->var2);
    FREE(PLA->pair);
    }
    if (PLA->label != NULL) {
    for(i = 0; i < cube.size; i++)
        if (PLA->label[i] != NULL)
        FREE(PLA->label[i]);
    FREE(PLA->label);
    }
    if (PLA->filename != NULL) {
    FREE(PLA->filename);
    }
    for(p1 = PLA->symbolic; p1 != NIL(symbolic_t); p1 = p1next) {
    for(p2 = p1->symbolic_list; p2 != NIL(symbolic_list_t); p2 = p2next) {
        p2next = p2->next;
        FREE(p2);
    }
    p1next = p1->next;
    FREE(p1);
    }
    PLA->symbolic = NIL(symbolic_t);
    for(p1 = PLA->symbolic_output; p1 != NIL(symbolic_t); p1 = p1next) {
    for(p2 = p1->symbolic_list; p2 != NIL(symbolic_list_t); p2 = p2next) {
        p2next = p2->next;
        FREE(p2);
    }
    p1next = p1->next;
    FREE(p1);
    }
    PLA->symbolic_output = NIL(symbolic_t);
    FREE(PLA);
}

get_word()

char * get_word	(	FILE *	fp,
		char *	word )

Definition at line 37 of file cvrin.c.

{
    register int ch, i = 0;
    while ((ch = getc(fp)) != EOF && isspace(ch))
    ;
    word[i++] = ch;
    while ((ch = getc(fp)) != EOF && ! isspace(ch))
    word[i++] = ch;
    word[i++] = '\0';
    return word;
}

label_index()

int label_index	(	pPLA	PLA,
		char *	word,
		int *	varp,
		int *	ip )

Definition at line 789 of file cvrin.c.

{
    int var, i;
 
    if (PLA->label == NIL(char *) || PLA->label[0] == NIL(char)) {
    if (sscanf(word, "%d", varp) == 1) {
        *ip = *varp;
        return TRUE;
    }
    } else {
    for(var = 0; var < cube.num_vars; var++) {
        for(i = 0; i < cube.part_size[var]; i++) {
        if (equal(PLA->label[cube.first_part[var]+i], word)) {
            *varp = var;
            *ip = i;
            return TRUE;
        }
        }
    }
    }
    return FALSE;
}

new_PLA()

pPLA new_PLA

(

)

Definition at line 648 of file cvrin.c.

{
    pPLA PLA;
 
    PLA = ALLOC(PLA_t, 1);
    PLA->F = PLA->D = PLA->R = (pcover) NULL;
    PLA->phase = (pcube) NULL;
    PLA->pair = (ppair) NULL;
    PLA->label = (char **) NULL;
    PLA->filename = (char *) NULL;
    PLA->pla_type = 0;
    PLA->symbolic = NIL(symbolic_t);
    PLA->symbolic_output = NIL(symbolic_t);
    return PLA;
}

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parse_pla()

void parse_pla	(	IN FILE *	fp,
		INOUT pPLA	PLA )

Definition at line 208 of file cvrin.c.

{
    int i, var, ch, np, last;
    char word[256];
 
    lineno = 1;
    line_length_error = FALSE;
 
loop:
    switch(ch = getc(fp)) {
    case EOF:
        return;
 
    case '\n':
        lineno++;
 
    case ' ': case '\t': case '\f': case '\r':
        break;
 
    case '#':
        (void) ungetc(ch, fp);
        skip_line(fp, stdout, echo_comments);
        break;
 
    case '.':
        /* .i gives the cube input size (binary-functions only) */
        if (equal(get_word(fp, word), "i")) {
        if (cube.fullset != NULL) {
            (void) fprintf(stderr, "extra .i ignored\n");
            skip_line(fp, stdout, /* echo */ FALSE);
        } else {
            if (fscanf(fp, "%d", &cube.num_binary_vars) != 1)
            fatal("error reading .i");
            cube.num_vars = cube.num_binary_vars + 1;
            cube.part_size = ALLOC(int, cube.num_vars);
        }
 
        /* .o gives the cube output size (binary-functions only) */
        } else if (equal(word, "o")) {
        if (cube.fullset != NULL) {
            (void) fprintf(stderr, "extra .o ignored\n");
            skip_line(fp, stdout, /* echo */ FALSE);
        } else {
            if (cube.part_size == NULL)
            fatal(".o cannot appear before .i");
            if (fscanf(fp, "%d", &(cube.part_size[cube.num_vars-1]))!=1)
            fatal("error reading .o");
            cube_setup();
            PLA_labels(PLA);
        }
 
        /* .mv gives the cube size for a multiple-valued function */
        } else if (equal(word, "mv")) {
        if (cube.fullset != NULL) {
            (void) fprintf(stderr, "extra .mv ignored\n");
            skip_line(fp, stdout, /* echo */ FALSE);
        } else {
            if (cube.part_size != NULL)
            fatal("cannot mix .i and .mv");
            if (fscanf(fp,"%d %d",
            &cube.num_vars,&cube.num_binary_vars) != 2)
             fatal("error reading .mv");
            if (cube.num_binary_vars < 0)
fatal("num_binary_vars (second field of .mv) cannot be negative");
            if (cube.num_vars < cube.num_binary_vars)
            fatal(
"num_vars (1st field of .mv) must exceed num_binary_vars (2nd field of .mv)");
            cube.part_size = ALLOC(int, cube.num_vars);
            for(var=cube.num_binary_vars; var < cube.num_vars; var++)
            if (fscanf(fp, "%d", &(cube.part_size[var])) != 1)
                fatal("error reading .mv");
            cube_setup();
            PLA_labels(PLA);
        }
 
        /* .p gives the number of product terms -- we ignore it */
        } else if (equal(word, "p"))
        (void) fscanf(fp, "%d", &np);
        /* .e and .end specify the end of the file */
        else if (equal(word, "e") || equal(word,"end")) {
        if (cube.fullset == NULL) {
            /* fatal("unknown PLA size, need .i/.o or .mv");*/
                } else if (PLA->F == NULL) {
                    PLA->F = new_cover(10);
                    PLA->D = new_cover(10);
                    PLA->R = new_cover(10);
                }
        return;
        }
        /* .kiss turns on the kiss-hack option */
        else if (equal(word, "kiss"))
        kiss = TRUE;
 
        /* .type specifies a logical type for the PLA */
        else if (equal(word, "type")) {
        (void) get_word(fp, word);
        for(i = 0; pla_types[i].key != 0; i++)
            if (equal(pla_types[i].key + 1, word)) {
            PLA->pla_type = pla_types[i].value;
            break;
            }
        if (pla_types[i].key == 0)
            fatal("unknown type in .type command");
 
        /* parse the labels */
        } else if (equal(word, "ilb")) {
        if (cube.fullset == NULL)
            fatal("PLA size must be declared before .ilb or .ob");
        if (PLA->label == NULL)
            PLA_labels(PLA);
        for(var = 0; var < cube.num_binary_vars; var++) {
            (void) get_word(fp, word);
            i = cube.first_part[var];
            PLA->label[i+1] = util_strsav(word);
            PLA->label[i] = ALLOC(char, strlen(word) + 6);
            (void) sprintf(PLA->label[i], "%s.bar", word);
        }
        } else if (equal(word, "ob")) {
        if (cube.fullset == NULL)
            fatal("PLA size must be declared before .ilb or .ob");
        if (PLA->label == NULL)
            PLA_labels(PLA);
        var = cube.num_vars - 1;
        for(i = cube.first_part[var]; i <= cube.last_part[var]; i++) {
            (void) get_word(fp, word);
            PLA->label[i] = util_strsav(word);
        }
        /* .label assigns labels to multiple-valued variables */
        } else if (equal(word, "label")) {
        if (cube.fullset == NULL)
            fatal("PLA size must be declared before .label");
        if (PLA->label == NULL)
            PLA_labels(PLA);
        if (fscanf(fp, "var=%d", &var) != 1)
            fatal("Error reading labels");
        for(i = cube.first_part[var]; i <= cube.last_part[var]; i++) {
            (void) get_word(fp, word);
            PLA->label[i] = util_strsav(word);
        }
 
        } else if (equal(word, "symbolic")) {
        symbolic_t *newlist, *p1;
        if (read_symbolic(fp, PLA, word, &newlist)) {
            if (PLA->symbolic == NIL(symbolic_t)) {
            PLA->symbolic = newlist;
            } else {
            for(p1=PLA->symbolic;p1->next!=NIL(symbolic_t);
                p1=p1->next){
            }
            p1->next = newlist;
            }
        } else {
            fatal("error reading .symbolic");
        }
 
        } else if (equal(word, "symbolic-output")) {
        symbolic_t *newlist, *p1;
        if (read_symbolic(fp, PLA, word, &newlist)) {
            if (PLA->symbolic_output == NIL(symbolic_t)) {
            PLA->symbolic_output = newlist;
            } else {
            for(p1=PLA->symbolic_output;p1->next!=NIL(symbolic_t);
                p1=p1->next){
            }
            p1->next = newlist;
            }
        } else {
            fatal("error reading .symbolic-output");
        }
        
        /* .phase allows a choice of output phases */
        } else if (equal(word, "phase")) {
        if (cube.fullset == NULL)
            fatal("PLA size must be declared before .phase");
        if (PLA->phase != NULL) {
            (void) fprintf(stderr, "extra .phase ignored\n");
            skip_line(fp, stdout, /* echo */ FALSE);
        } else {
            do ch = getc(fp); while (ch == ' ' || ch == '\t');
            (void) ungetc(ch, fp);
            PLA->phase = set_save(cube.fullset);
            last = cube.last_part[cube.num_vars - 1];
            for(i=cube.first_part[cube.num_vars - 1]; i <= last; i++)
            if ((ch = getc(fp)) == '0')
                set_remove(PLA->phase, i);
            else if (ch != '1')
                fatal("only 0 or 1 allowed in phase description");
        }
 
        /* .pair allows for bit-pairing input variables */
        } else if (equal(word, "pair")) {
        int j;
        if (PLA->pair != NULL) {
            (void) fprintf(stderr, "extra .pair ignored\n");
        } else {
            ppair pair;
            PLA->pair = pair = ALLOC(pair_t, 1);
            if (fscanf(fp, "%d", &(pair->cnt)) != 1)
            fatal("syntax error in .pair");
            pair->var1 = ALLOC(int, pair->cnt);
            pair->var2 = ALLOC(int, pair->cnt);
            for(i = 0; i < pair->cnt; i++) {
            (void) get_word(fp, word);
            if (word[0] == '(') (void) strcpy(word, word+1);
            if (label_index(PLA, word, &var, &j)) {
                pair->var1[i] = var+1;
            } else {
                fatal("syntax error in .pair");
            }
 
            (void) get_word(fp, word);
            if (word[strlen(word)-1] == ')') {
                word[strlen(word)-1]='\0';
            }
            if (label_index(PLA, word, &var, &j)) {
                pair->var2[i] = var+1;
            } else {
                fatal("syntax error in .pair");
            }
            }
        }
        
        } else {
        if (echo_unknown_commands)
            printf("%c%s ", ch, word);
        skip_line(fp, stdout, echo_unknown_commands);
        }
        break;
    default:
        (void) ungetc(ch, fp);
        if (cube.fullset == NULL) {
/*        fatal("unknown PLA size, need .i/.o or .mv");*/
        if (echo_comments)
            putchar('#');
        skip_line(fp, stdout, echo_comments);
        break;
        }
        if (PLA->F == NULL) {
        PLA->F = new_cover(10);
        PLA->D = new_cover(10);
        PLA->R = new_cover(10);
        }
        read_cube(fp, PLA);
    }
    goto loop;
}␌

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PLA_labels()

void PLA_labels

(

pPLA

PLA

)

Definition at line 665 of file cvrin.c.

{
    int i;
 
    PLA->label = ALLOC(char *, cube.size);
    for(i = 0; i < cube.size; i++)
    PLA->label[i] = (char *) NULL;
}

PLA_summary()

void PLA_summary

(

pPLA

PLA

)

Definition at line 597 of file cvrin.c.

{
    int var, i;
    symbolic_list_t *p2;
    symbolic_t *p1;
 
    printf("# PLA is %s", PLA->filename);
    if (cube.num_binary_vars == cube.num_vars - 1)
    printf(" with %d inputs and %d outputs\n",
        cube.num_binary_vars, cube.part_size[cube.num_vars - 1]);
    else {
    printf(" with %d variables (%d binary, mv sizes",
        cube.num_vars, cube.num_binary_vars);
    for(var = cube.num_binary_vars; var < cube.num_vars; var++)
        printf(" %d", cube.part_size[var]);
    printf(")\n");
    }
    printf("# ON-set cost is  %s\n", print_cost(PLA->F));
    printf("# OFF-set cost is %s\n", print_cost(PLA->R));
    printf("# DC-set cost is  %s\n", print_cost(PLA->D));
    if (PLA->phase != NULL)
    printf("# phase is %s\n", pc1(PLA->phase));
    if (PLA->pair != NULL) {
    printf("# two-bit decoders:");
    for(i = 0; i < PLA->pair->cnt; i++)
        printf(" (%d %d)", PLA->pair->var1[i], PLA->pair->var2[i]);
    printf("\n");
    }
    if (PLA->symbolic != NIL(symbolic_t)) {
    for(p1 = PLA->symbolic; p1 != NIL(symbolic_t); p1 = p1->next) {
        printf("# symbolic: ");
        for(p2=p1->symbolic_list; p2!=NIL(symbolic_list_t); p2=p2->next) {
        printf(" %d", p2->variable);
        }
        printf("\n");
    }
    }
    if (PLA->symbolic_output != NIL(symbolic_t)) {
    for(p1 = PLA->symbolic_output; p1 != NIL(symbolic_t); p1 = p1->next) {
        printf("# output symbolic: ");
        for(p2=p1->symbolic_list; p2!=NIL(symbolic_list_t); p2=p2->next) {
        printf(" %d", p2->pos);
        }
        printf("\n");
    }
    }
    (void) fflush(stdout);
}

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read_cube()

void read_cube	(	FILE *	fp,
		pPLA	PLA )

Definition at line 54 of file cvrin.c.

{
    register int var, i;
    pcube cf = cube.temp[0], cr = cube.temp[1], cd = cube.temp[2];
    bool savef = FALSE, saved = FALSE, saver = FALSE;
    char token[256];             /* for kiss read hack */
    int varx, first, last, offset;    /* for kiss read hack */
 
    set_clear(cf, cube.size);
 
    /* Loop and read binary variables */
    for(var = 0; var < cube.num_binary_vars; var++)
    switch(getc(fp)) {
        case EOF:
        goto bad_char;
        case '\n':
        if (! line_length_error)
            (void) fprintf(stderr, "product term(s) %s\n",
            "span more than one line (warning only)");
        line_length_error = TRUE;
        lineno++;
        var--;
        break;
        case ' ': case '|': case '\t':
        var--;
        break;
        case '2': case '-':
        set_insert(cf, var*2+1);
        case '0':
        set_insert(cf, var*2);
        break;
        case '1':
        set_insert(cf, var*2+1);
        break;
        case '?':
        break;
        default:
        goto bad_char;
    }
 
 
    /* Loop for the all but one of the multiple-valued variables */    
    for(var = cube.num_binary_vars; var < cube.num_vars-1; var++)
 
    /* Read a symbolic multiple-valued variable */
    if (cube.part_size[var] < 0) {
        (void) fscanf(fp, "%s", token);
        if (equal(token, "-") || equal(token, "ANY")) {
        if (kiss && var == cube.num_vars - 2) {
            /* leave it empty */
        } else {
            /* make it full */
            set_or(cf, cf, cube.var_mask[var]);
        }
        } else if (equal(token, "~")) {
        ;
        /* leave it empty ... (?) */
        } else {
        if (kiss && var == cube.num_vars - 2)
            varx = var - 1, offset = ABS(cube.part_size[var-1]);
        else
            varx = var, offset = 0;
        /* Find the symbolic label in the label table */
        first = cube.first_part[varx];
        last = cube.last_part[varx];
        for(i = first; i <= last; i++)
            if (PLA->label[i] == (char *) NULL) {
            PLA->label[i] = util_strsav(token);    /* add new label */
            set_insert(cf, i+offset);
            break;
            } else if (equal(PLA->label[i], token)) {
            set_insert(cf, i+offset);    /* use column i */
            break;
            }
        if (i > last) {
            (void) fprintf(stderr,
"declared size of variable %d (counting from variable 0) is too small\n", var);
            exit(-1);
        }
        }
    
    } else for(i = cube.first_part[var]; i <= cube.last_part[var]; i++)
        switch (getc(fp)) {
        case EOF:
            goto bad_char;
        case '\n':
            if (! line_length_error)
            (void) fprintf(stderr, "product term(s) %s\n",
                "span more than one line (warning only)");
            line_length_error = TRUE;
            lineno++;
            i--;
            break;
        case ' ': case '|': case '\t':
            i--;
            break;
        case '1':
            set_insert(cf, i);
        case '0':
            break;
        default:
            goto bad_char;
        }
 
    /* Loop for last multiple-valued variable */
    if (kiss) {
    saver = savef = TRUE;
    (void) set_xor(cr, cf, cube.var_mask[cube.num_vars - 2]);
    } else
    set_copy(cr, cf);
    set_copy(cd, cf);
    for(i = cube.first_part[var]; i <= cube.last_part[var]; i++)
    switch (getc(fp)) {
        case EOF:
        goto bad_char;
        case '\n':
        if (! line_length_error)
            (void) fprintf(stderr, "product term(s) %s\n",
            "span more than one line (warning only)");
        line_length_error = TRUE;
        lineno++;
        i--;
        break;
        case ' ': case '|': case '\t':
        i--;
        break;
        case '4': case '1':
        if (PLA->pla_type & F_type)
            set_insert(cf, i), savef = TRUE;
        break;
        case '3': case '0':
        if (PLA->pla_type & R_type)
            set_insert(cr, i), saver = TRUE;
        break;
        case '2': case '-':
        if (PLA->pla_type & D_type)
            set_insert(cd, i), saved = TRUE;
        case '~':
        break;
        default:
        goto bad_char;
    }
    if (savef) PLA->F = sf_addset(PLA->F, cf);
    if (saved) PLA->D = sf_addset(PLA->D, cd);
    if (saver) PLA->R = sf_addset(PLA->R, cr);
    return;
 
bad_char:
    (void) fprintf(stderr, "(warning): input line #%d ignored\n", lineno);
    skip_line(fp, stdout, TRUE);
    return;
}␌

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read_pla()

int read_pla	(	IN FILE *	fp,
		IN bool	needs_dcset,
		IN bool	needs_offset,
		IN int	pla_type,
		OUT pPLA *	PLA_return )

Definition at line 493 of file cvrin.c.

{
    pPLA PLA;
    int i, second, third;
    long time;
    cost_t cost;
 
    /* Allocate and initialize the PLA structure */
    PLA = *PLA_return = new_PLA();
    PLA->pla_type = pla_type;
 
    /* Read the pla */
    time = ptime();
    parse_pla(fp, PLA);
 
    /* Check for nothing on the file -- implies reached EOF */
    if (PLA->F == NULL) {
    return EOF;
    }
 
    /* This hack merges the next-state field with the outputs */
    for(i = 0; i < cube.num_vars; i++) {
    cube.part_size[i] = ABS(cube.part_size[i]);
    }
    if (kiss) {
    third = cube.num_vars - 3;
    second = cube.num_vars - 2;
    if (cube.part_size[third] != cube.part_size[second]) {
        (void) fprintf(stderr," with .kiss option, third to last and second\n");
        (void) fprintf(stderr, "to last variables must be the same size.\n");
        return EOF;
    }
    for(i = 0; i < cube.part_size[second]; i++) {
        PLA->label[i + cube.first_part[second]] =
        util_strsav(PLA->label[i + cube.first_part[third]]);
    }
    cube.part_size[second] += cube.part_size[cube.num_vars-1];
    cube.num_vars--;
    setdown_cube();
    cube_setup();
    }
 
    if (trace) {
    totals(time, READ_TIME, PLA->F, &cost);
    }
 
    /* Decide how to break PLA into ON-set, OFF-set and DC-set */
    time = ptime();
    if (pos || PLA->phase != NULL || PLA->symbolic_output != NIL(symbolic_t)) {
    needs_offset = TRUE;
    }
    if (needs_offset && (PLA->pla_type==F_type || PLA->pla_type==FD_type)) {
    free_cover(PLA->R);
    PLA->R = complement(cube2list(PLA->F, PLA->D));
    } else if (needs_dcset && PLA->pla_type == FR_type) {
    pcover X;
    free_cover(PLA->D);
    /* hack, why not? */
    X = d1merge(sf_join(PLA->F, PLA->R), cube.num_vars - 1);
    PLA->D = complement(cube1list(X));
    free_cover(X);
    } else if (PLA->pla_type == R_type || PLA->pla_type == DR_type) {
    free_cover(PLA->F);
    PLA->F = complement(cube2list(PLA->D, PLA->R));
    }
 
    if (trace) {
    totals(time, COMPL_TIME, PLA->R, &cost);
    }
 
    /* Check for phase rearrangement of the functions */
    if (pos) {
    pcover onset = PLA->F;
    PLA->F = PLA->R;
    PLA->R = onset;
    PLA->phase = new_cube();
    set_diff(PLA->phase, cube.fullset, cube.var_mask[cube.num_vars-1]);
    } else if (PLA->phase != NULL) {
    (void) set_phase(PLA);
    }
 
    /* Setup minimization for two-bit decoders */
    if (PLA->pair != (ppair) NULL) {
    set_pair(PLA);
    }
 
    if (PLA->symbolic != NIL(symbolic_t)) {
    EXEC(map_symbolic(PLA), "MAP-INPUT  ", PLA->F);
    }
    if (PLA->symbolic_output != NIL(symbolic_t)) {
    EXEC(map_output_symbolic(PLA), "MAP-OUTPUT ", PLA->F);
    if (needs_offset) {
        free_cover(PLA->R);
EXECUTE(PLA->R=complement(cube2list(PLA->F,PLA->D)), COMPL_TIME, PLA->R, cost);
    }
    }
 
    return 1;
}

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read_symbolic()

int read_symbolic	(	FILE *	fp,
		pPLA	PLA,
		char *	word,
		symbolic_t **	retval )

Definition at line 727 of file cvrin.c.

{
    symbolic_list_t *listp, *prev_listp;
    symbolic_label_t *labelp, *prev_labelp;
    symbolic_t *newlist;
    int i, var;
 
    newlist = ALLOC(symbolic_t, 1);
    newlist->next = NIL(symbolic_t);
    newlist->symbolic_list = NIL(symbolic_list_t);
    newlist->symbolic_list_length = 0;
    newlist->symbolic_label = NIL(symbolic_label_t);
    newlist->symbolic_label_length = 0;
    prev_listp = NIL(symbolic_list_t);
    prev_labelp = NIL(symbolic_label_t);
 
    for(;;) {
    (void) get_word(fp, word);
    if (equal(word, ";"))
        break;
    if (label_index(PLA, word, &var, &i)) {
        listp = ALLOC(symbolic_list_t, 1);
        listp->variable = var;
        listp->pos = i;
        listp->next = NIL(symbolic_list_t);
        if (prev_listp == NIL(symbolic_list_t)) {
        newlist->symbolic_list = listp;
        } else {
        prev_listp->next = listp;
        }
        prev_listp = listp;
        newlist->symbolic_list_length++;
    } else {
        return FALSE;
    }
    }
 
    for(;;) {
    (void) get_word(fp, word);
    if (equal(word, ";"))
        break;
    labelp = ALLOC(symbolic_label_t, 1);
    labelp->label = util_strsav(word);
    labelp->next = NIL(symbolic_label_t);
    if (prev_labelp == NIL(symbolic_label_t)) {
        newlist->symbolic_label = labelp;
    } else {
        prev_labelp->next = labelp;
    }
    prev_labelp = labelp;
    newlist->symbolic_label_length++;
    }
 
    *retval = newlist;
    return TRUE;
}

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skip_line()

void skip_line	(	FILE *	fpin,
		FILE *	fpout,
		bool	echo )

Definition at line 24 of file cvrin.c.

{
    register int ch;
    while ((ch=getc(fpin)) != EOF && ch != '\n')
    if (echo)
        putc(ch, fpout);
    if (echo)
    putc('\n', fpout);
    lineno++;
}