parser.c: Generate helper declarations and functions to trace events
from an event description file.
-Copyright (C) 2002, Xianxiu Yang
-Copyright (C) 2002, Michel Dagenais
-This program is free software; you can redistribute it and/or modify
+ Copyright (C) 2005, Mathieu Desnoyers
+ Copyright (C) 2002, Xianxiu Yang
+ Copyright (C) 2002, Michel Dagenais
+ This program 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; version 2 of the License.
+ the Free Software Foundation; version 2 of the License.
-This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
+ This program 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.
#include <stdio.h>
#include <stdarg.h>
#include <linux/errno.h>
-
+#include <assert.h>
+#include <ctype.h>
#include "parser.h"
+char *intOutputTypes[] = {
+ "int8_t", "int16_t", "int32_t", "int64_t" };
+
+char *uintOutputTypes[] = {
+ "uint8_t", "uint16_t", "uint32_t", "uint64_t" };
+
+char *floatOutputTypes[] = {
+ "undef", "undef", "float", "double" };
+
+
+
+
+/* helper function */
+void strupper(char *string)
+{
+ char *ptr = string;
+
+ while(*ptr != '\0') {
+ *ptr = toupper(*ptr);
+ ptr++;
+ }
+}
+
+
+int getSizeindex(unsigned int value)
+{
+ switch(value) {
+ case 1:
+ return 0;
+ case 2:
+ return 1;
+ case 4:
+ return 2;
+ case 8:
+ return 3;
+ default:
+ printf("Error : unknown value size %d\n", value);
+ exit(-1);
+ }
+}
+
/*****************************************************************************
*Function name
* getSize : translate from string to integer
* size
*****************************************************************************/
-int getSize(parse_file *in)
+unsigned long long int getSize(parse_file_t *in)
{
- char *token;
+ char *token, *token2;
+ unsigned long long int ret;
token = getToken(in);
- if(in->type == NUMBER) {
- if(strcmp(token,"1") == 0) return 0;
- else if(strcmp(token,"2") == 0) return 1;
- else if(strcmp(token,"4") == 0) return 2;
- else if(strcmp(token,"8") == 0) return 3;
- }
- else if(in->type == NAME) {
- if(strcmp(token,"short") == 0) return 4;
- else if(strcmp(token,"medium") == 0) return 5;
- else if(strcmp(token,"long") == 0) return 6;
+
+
+ if(in->type == QUOTEDSTRING) {
+ in->type = NUMBER;
+ token2 = token;
+ do {
+ if (!isdigit(*token2)) {
+ in->type = QUOTEDSTRING;
+ break;
+ }
+ } while (*(++token2) != '\0');
}
+
+ if(in->type == NUMBER) {
+ ret = strtoull(token, NULL, 0);
+ } else {
+ goto error;
+ }
+
+ return ret;
+error:
in->error(in,"incorrect size specification");
return -1;
}
* msg : message to be printed
****************************************************************************/
-void error_callback(parse_file *in, char *msg)
+void error_callback(parse_file_t *in, char *msg)
{
if(in)
printf("Error in file %s, line %d: %s\n", in->name, in->lineno, msg);
else
printf("%s\n",msg);
+ assert(0);
exit(1);
}
/**************************************************************************
* Function :
- * getNameAttribute,getFormatAttribute,getSizeAttribute,getValueAttribute
- * getValueStrAttribute
+ * getTypeAttributes
* Description :
* Read the attribute from the input file.
*
* Parameters :
* in , input file handle.
- *
- * Return values :
- * address of the attribute.
+ * t , the type descriptor to fill.
*
**************************************************************************/
-char * getNameAttribute(parse_file *in)
+void getTypeAttributes(parse_file_t *in, type_descriptor_t *t,
+ sequence_t * unnamed_types, table_t * named_types)
{
- char * token, car;
- token = getName(in);
- if(strcmp("name",token))in->error(in,"name was expected");
- getEqual(in);
+ char * token;
+ int car;
+
+ t->fmt = NULL;
+ t->size = 0;
+ t->custom_write = 0;
+ t->network = 0;
- car = seekNextChar(in);
- if(car == EOF)in->error(in,"name was expected");
- else if(car == '\"')token = getQuotedString(in);
- else token = getName(in);
- return token;
+ while(1) {
+ token = getToken(in);
+ if(strcmp("/",token) == 0 || strcmp(">",token) == 0){
+ ungetToken(in);
+ break;
+ }
+
+ if(!strcmp("format",token)) {
+ getEqual(in);
+ t->fmt = allocAndCopy(getQuotedString(in));
+ //} else if(!strcmp("name",token)) {
+ // getEqual(in);
+ // car = seekNextChar(in);
+ // if(car == EOF) in->error(in,"name was expected");
+ // else if(car == '\"') t->type_name = allocAndCopy(getQuotedString(in));
+ // else t->type_name = allocAndCopy(getName(in));
+ } else if(!strcmp("size",token)) {
+ getEqual(in);
+ t->size = getSize(in);
+ } else if(!strcmp("custom_write", token)) {
+ t->custom_write = 1;
+ } else if(!strcmp("byte_order",token)) {
+ getEqual(in);
+ car = seekNextChar(in);
+ if(car == EOF) in->error(in,"byte order was expected (network?)");
+ else if(car == '\"') token = getQuotedString(in);
+ else token = getName(in);
+ if(!strcmp("network", token)) {
+ t->network = 1;
+ }
+ } else if(!strcmp("write",token)) {
+ getEqual(in);
+ car = seekNextChar(in);
+ if(car == EOF) in->error(in,"write type was expected (custom?)");
+ else if(car == '\"') token = getQuotedString(in);
+ else token = getName(in);
+ if(!strcmp("custom", token)) {
+ t->custom_write = 1;
+ }
+ }
+ }
}
-char * getFormatAttribute(parse_file *in)
+/**************************************************************************
+ * Function :
+ * getEventAttributes
+ * Description :
+ * Read the attribute from the input file.
+ *
+ * Parameters :
+ * in , input file handle.
+ * ev , the event to fill.
+ *
+ **************************************************************************/
+
+void getEventAttributes(parse_file_t *in, event_t *ev)
{
char * token;
+ int car;
+
+ ev->name = NULL;
+ ev->per_trace = 0;
+ ev->per_tracefile = 0;
+ ev->param_buffer = 0;
+ ev->no_instrument_function = 0;
+
+ while(1) {
+ token = getToken(in);
+ if(strcmp("/",token) == 0 || strcmp(">",token) == 0){
+ ungetToken(in);
+ break;
+ }
- //format is an option
- token = getToken(in);
- if(strcmp("/",token) == 0 || strcmp(">",token) == 0){
- ungetToken(in);
- return NULL;
+ if(!strcmp("name",token)) {
+ getEqual(in);
+ car = seekNextChar(in);
+ if(car == EOF) in->error(in,"name was expected");
+ else if(car == '\"') ev->name = allocAndCopy(getQuotedString(in));
+ else ev->name = allocAndCopy(getName(in));
+ } else if(!strcmp("scope", token)) {
+ getEqual(in);
+ car = seekNextChar(in);
+ if(car == EOF) in->error(in,"scope was expected");
+ else if(car == '\"') token = getQuotedString(in);
+ else token = getName(in);
+ if(!strcmp(token, "trace")) ev->per_trace = 1;
+ else if(!strcmp(token, "tracefile")) ev->per_tracefile = 1;
+ } else if(!strcmp("param", token)) {
+ getEqual(in);
+ car = seekNextChar(in);
+ if(car == EOF) in->error(in,"parameter type was expected");
+ else if(car == '\"') token = getQuotedString(in);
+ else token = getName(in);
+ if(!strcmp(token, "buffer")) ev->param_buffer = 1;
+ } else if(!strcmp("attribute", token)) {
+ getEqual(in);
+ car = seekNextChar(in);
+ if(car == EOF) in->error(in,"attribute was expected");
+ else if(car == '\"') token = getQuotedString(in);
+ else token = getName(in);
+ if(!strcmp(token, "no_instrument_function"))
+ ev->no_instrument_function = 1;
+ }
}
+}
- if(strcmp("format",token))in->error(in,"format was expected");
- getEqual(in);
- token = getQuotedString(in);
- return token;
+/**************************************************************************
+ * Function :
+ * getFacilityAttributes
+ * Description :
+ * Read the attribute from the input file.
+ *
+ * Parameters :
+ * in , input file handle.
+ * fac , the facility to fill.
+ *
+ **************************************************************************/
+
+void getFacilityAttributes(parse_file_t *in, facility_t *fac)
+{
+ char * token;
+ int car;
+
+ fac->name = NULL;
+ fac->arch = NULL;
+ fac->user = 0;
+
+ while(1) {
+ token = getToken(in);
+ if(strcmp("/",token) == 0 || strcmp(">",token) == 0){
+ ungetToken(in);
+ break;
+ }
+
+ if(!strcmp("name",token)) {
+ getEqual(in);
+ car = seekNextChar(in);
+ if(car == EOF) in->error(in,"name was expected");
+ else if(car == '\"') fac->name = allocAndCopy(getQuotedString(in));
+ else fac->name = allocAndCopy(getName(in));
+ if(!strncmp(fac->name, "user_", sizeof("user_")-1))
+ fac->user = 1;
+ } else if(!strcmp("arch", token)) {
+ getEqual(in);
+ car = seekNextChar(in);
+ if(car == '\"') fac->arch = allocAndCopy(getQuotedString(in));
+ else fac->arch = allocAndCopy(getName(in));
+ }
+ }
}
-int getSizeAttribute(parse_file *in)
+/**************************************************************************
+ * Function :
+ * getFieldAttributes
+ * Description :
+ * Read the attribute from the input file.
+ *
+ * Parameters :
+ * in , input file handle.
+ * f , the field to fill.
+ *
+ **************************************************************************/
+
+void getFieldAttributes(parse_file_t *in, field_t *f)
{
char * token;
- getName(in);
- getEqual(in);
+ int car;
- return getSize(in);
+ f->name = NULL;
+
+ while(1) {
+ token = getToken(in);
+ if(strcmp("/",token) == 0 || strcmp(">",token) == 0){
+ ungetToken(in);
+ break;
+ }
+
+ if(!strcmp("name",token)) {
+ getEqual(in);
+ car = seekNextChar(in);
+ if(car == EOF) in->error(in,"name was expected");
+ else if(car == '\"') f->name = allocAndCopy(getQuotedString(in));
+ else f->name = allocAndCopy(getName(in));
+ }
+ }
}
-int getValueAttribute(parse_file *in)
+char *getNameAttribute(parse_file_t *in)
{
char * token;
- getName(in);
- getEqual(in);
+ char *name = NULL;
+ int car;
- return getNumber(in);
+ while(1) {
+ token = getToken(in);
+ if(!strcmp("name",token)) {
+ getEqual(in);
+ car = seekNextChar(in);
+ if(car == EOF) in->error(in,"name was expected");
+ else if(car == '\"') name = allocAndCopy(getQuotedString(in));
+ else name = allocAndCopy(getName(in));
+ } else {
+ ungetToken(in);
+ break;
+ }
+
+ }
+ if(name == NULL) in->error(in, "Name was expected");
+ return name;
}
-//for <label name=label_name value=n/>, value is an option
-char * getValueStrAttribute(parse_file *in)
+
+
+//for <label name=label_name value=n format="...">, value is an option
+//Return value : 0 : no value, 1 : has a value
+int getValueAttribute(parse_file_t *in, long long *value)
{
- char * token;
+ char * token, *token2;
- token = getToken(in);
- if(strcmp("/",token) == 0){
+ token = getToken(in);
+
+ if(strcmp("/",token) == 0 || strcmp(">", token) == 0){
ungetToken(in);
- return NULL;
+ return 0;
}
-
if(strcmp("value",token))in->error(in,"value was expected");
+
getEqual(in);
token = getToken(in);
- if(in->type != NUMBER) in->error(in,"number was expected");
- return token;
+
+ if(in->type == QUOTEDSTRING) {
+ in->type = NUMBER;
+ token2 = token;
+ do {
+ if (!isdigit(*token2)) {
+ in->type = QUOTEDSTRING;
+ break;
+ }
+ } while (*(++token2) != '\0');
+ }
+
+ if(in->type == NUMBER)
+ *value = strtoll(token, NULL, 0);
+ else
+ goto error;
+ return 1;
+error:
+ in->error(in,"incorrect size specification");
+ return 0;
}
-char * getDescription(parse_file *in)
+char * getDescription(parse_file_t *in)
{
long int pos;
- char * token, car, *str;
+ char * token, *str;
+ int car;
pos = ftell(in->fp);
* fac : facility filled with event list
****************************************************************************/
-void parseFacility(parse_file *in, facility * fac)
+void parseFacility(parse_file_t *in, facility_t * fac)
{
char * token;
- event *ev;
+ event_t *ev;
- fac->name = allocAndCopy(getNameAttribute(in));
+ getFacilityAttributes(in, fac);
+ if(fac->name == NULL) in->error(in, "Attribute not named");
+
+ fac->capname = allocAndCopy(fac->name);
+ strupper(fac->capname);
getRAnglebracket(in);
fac->description = getDescription(in);
in->error(in,"the definition of the facility is not finished");
if(strcmp("event",token) == 0){
- ev = (event*) memAlloc(sizeof(event));
+ ev = (event_t*) memAlloc(sizeof(event_t));
sequence_push(&(fac->events),ev);
parseEvent(in,ev, &(fac->unnamed_types), &(fac->named_types));
}else if(strcmp("type",token) == 0){
* ev : new event (parameters are passed to it)
****************************************************************************/
-void parseEvent(parse_file *in, event * ev, sequence * unnamed_types,
- table * named_types)
+void parseEvent(parse_file_t *in, event_t * ev, sequence_t * unnamed_types,
+ table_t * named_types)
{
char *token;
- type_descriptor *t;
+ field_t *f;
+ sequence_init(&(ev->fields));
//<event name=eventtype_name>
- ev->name = allocAndCopy(getNameAttribute(in));
+ getEventAttributes(in, ev);
+ if(ev->name == NULL) in->error(in, "Event not named");
getRAnglebracket(in);
- //<description>...</descriptio>
+ //<description>...</description>
ev->description = getDescription(in);
- //event can have STRUCT, TYPEREF or NOTHING
- getLAnglebracket(in);
-
- token = getToken(in);
- if(in->type == FORWARDSLASH){ //</event> NOTHING
- ev->type = NULL;
- }else if(in->type == NAME){
- if(strcmp("struct",token)==0 || strcmp("typeref",token)==0){
- ungetToken(in);
- ev->type = parseType(in,NULL, unnamed_types, named_types);
- if(ev->type->type != STRUCT && ev->type->type != NONE)
- in->error(in,"type must be a struct");
- }else in->error(in, "not a valid type");
-
- getLAnglebracket(in);
- getForwardslash(in);
- }else in->error(in,"not a struct type");
-
- token = getName(in);
- if(strcmp("event",token))in->error(in,"not an event definition");
- getRAnglebracket(in); //</event>
+ int got_end = 0;
+ /* Events can have multiple fields. each field form at least a function
+ * parameter of the logging function. */
+ while(!got_end) {
+ getLAnglebracket(in);
+ token = getToken(in);
+
+ switch(in->type) {
+ case FORWARDSLASH: /* </event> */
+ token = getName(in);
+ if(strcmp("event",token))in->error(in,"not an event definition");
+ getRAnglebracket(in); //</event>
+ got_end = 1;
+ break;
+ case NAME: /* a field */
+ if(strcmp("field",token))in->error(in,"expecting a field");
+ f = (field_t *)memAlloc(sizeof(field_t));
+ sequence_push(&(ev->fields),f);
+ parseFields(in, f, unnamed_types, named_types, 1);
+ break;
+ default:
+ in->error(in, "expecting </event> or <field >");
+ break;
+ }
+ }
+#if 0
+ if(in->type == FORWARDSLASH){ //</event> NOTHING
+ ev->type = NULL;
+ }else if(in->type == NAME){
+ if(strcmp("struct",token)==0 || strcmp("typeref",token)==0){
+ ungetToken(in);
+ ev->type = parseType(in,NULL, unnamed_types, named_types);
+ if(ev->type->type != STRUCT && ev->type->type != NONE)
+ in->error(in,"type must be a struct");
+ }else in->error(in, "not a valid type");
+
+ getLAnglebracket(in);
+ getForwardslash(in);
+ }else in->error(in,"not a struct type");
+ getLAnglebracket(in);
+ getForwardslash(in);
+ token = getName(in);
+ if(strcmp("event",token))in->error(in,"not an event definition");
+ getRAnglebracket(in); //</event>
+#endif //0
}
/*****************************************************************************
* parseField : get field infomation from buffer
*Input params
* in : input file handle
- * t : type descriptor
+ * f : field
* unnamed_types : array of unamed types
* named_types : array of named types
+ * tag : is field surrounded by a <field> </field> tag ?
****************************************************************************/
-void parseFields(parse_file *in, type_descriptor *t, sequence * unnamed_types,
- table * named_types)
+void parseFields(parse_file_t *in, field_t *f,
+ sequence_t * unnamed_types,
+ table_t * named_types,
+ int tag)
{
char * token;
- field *f;
-
- f = (field *)memAlloc(sizeof(field));
- sequence_push(&(t->fields),f);
+ if(tag) {
+ //<field name=field_name> <description> <type> </field>
+ getFieldAttributes(in, f);
+ if(f->name == NULL) in->error(in, "Field not named");
+ getRAnglebracket(in);
- //<field name=field_name> <description> <type> </field>
- f->name = allocAndCopy(getNameAttribute(in));
- getRAnglebracket(in);
-
- f->description = getDescription(in);
+ f->description = getDescription(in);
+ } else {
+ f->description = NULL;
+ }
//<int size=...>
getLAnglebracket(in);
f->type = parseType(in,NULL, unnamed_types, named_types);
- getLAnglebracket(in);
- getForwardslash(in);
- token = getName(in);
- if(strcmp("field",token))in->error(in,"not a valid field definition");
- getRAnglebracket(in); //</field>
+ if(tag) {
+ getLAnglebracket(in);
+ getForwardslash(in);
+ token = getName(in);
+ if(strcmp("field",token))in->error(in,"not a valid field definition");
+ getRAnglebracket(in); //</field>
+ }
}
* type_descriptor* : a type descriptor
****************************************************************************/
-type_descriptor *parseType(parse_file *in, type_descriptor *inType,
- sequence * unnamed_types, table * named_types)
+type_descriptor_t *parseType(parse_file_t *in, type_descriptor_t *inType,
+ sequence_t * unnamed_types, table_t * named_types)
{
char *token;
- type_descriptor *t;
+ type_descriptor_t *t;
+ field_t *f;
if(inType == NULL) {
- t = (type_descriptor *) memAlloc(sizeof(type_descriptor));
+ t = (type_descriptor_t *) memAlloc(sizeof(type_descriptor_t));
t->type_name = NULL;
t->type = NONE;
t->fmt = NULL;
if(strcmp(token,"struct") == 0) {
t->type = STRUCT;
+ getTypeAttributes(in, t, unnamed_types, named_types);
getRAnglebracket(in); //<struct>
getLAnglebracket(in); //<field name=..>
token = getToken(in);
sequence_init(&(t->fields));
while(strcmp("field",token) == 0){
- parseFields(in,t, unnamed_types, named_types);
+ f = (field_t *)memAlloc(sizeof(field_t));
+ sequence_push(&(t->fields),f);
+
+ parseFields(in, f, unnamed_types, named_types, 1);
//next field
getLAnglebracket(in);
}
else if(strcmp(token,"union") == 0) {
t->type = UNION;
- t->size = getSizeAttribute(in);
- getRAnglebracket(in); //<union typecodesize=isize>
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ getRAnglebracket(in); //<union>
getLAnglebracket(in); //<field name=..>
token = getToken(in);
sequence_init(&(t->fields));
while(strcmp("field",token) == 0){
- parseFields(in,t, unnamed_types, named_types);
+ f = (field_t *)memAlloc(sizeof(field_t));
+ sequence_push(&(t->fields),f);
+ parseFields(in, f, unnamed_types, named_types, 1);
//next field
getLAnglebracket(in);
}
else if(strcmp(token,"array") == 0) {
t->type = ARRAY;
- t->size = getValueAttribute(in);
+ sequence_init(&(t->fields));
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ if(t->size == 0) in->error(in, "Array has empty size");
+ getForwardslash(in);
getRAnglebracket(in); //<array size=n>
- getLAnglebracket(in); //<type struct>
- t->nested_type = parseType(in,NULL, unnamed_types, named_types);
+ //getLAnglebracket(in); //<subtype>
+ /* subfield */
+ f = (field_t *)memAlloc(sizeof(field_t));
+
+ f->name = NULL;
+ sequence_push(&(t->fields),f);
+ parseFields(in, f, unnamed_types, named_types, 0);
+
+ //getLAnglebracket(in); //<type struct>
+ //t->nested_type = parseType(in, NULL, unnamed_types, named_types);
getLAnglebracket(in); //</array>
getForwardslash(in);
}
else if(strcmp(token,"sequence") == 0) {
t->type = SEQUENCE;
- t->size = getSizeAttribute(in);
- getRAnglebracket(in); //<array lengthsize=isize>
-
- getLAnglebracket(in); //<type struct>
- t->nested_type = parseType(in,NULL, unnamed_types, named_types);
+ sequence_init(&(t->fields));
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ getForwardslash(in);
+ getRAnglebracket(in); //<sequence>
+
+ //getLAnglebracket(in); //<sequence size type>
+ /* subfield */
+ f = (field_t *)memAlloc(sizeof(field_t));
+ f->name = NULL;
+ sequence_push(&(t->fields),f);
+ parseFields(in, f, unnamed_types, named_types, 0);
+
+ //getLAnglebracket(in); //<subtype>
+ /* subfield */
+ f = (field_t *)memAlloc(sizeof(field_t));
+ f->name = NULL;
+ sequence_push(&(t->fields),f);
+ parseFields(in, f, unnamed_types, named_types, 0);
+
+ //getLAnglebracket(in); //<type sequence>
+ //t->length_type = parseType(in, NULL, unnamed_types, named_types);
+
+ //getLAnglebracket(in); //<type sequence>
+
+ //t->nested_type = parseType(in, NULL, unnamed_types, named_types);
+
+ if(t->fields.position < 1) in->error(in, "Sequence has no length type");
+ if(t->fields.position < 2) in->error(in, "Sequence has no subtype");
+ switch(((field_t*)t->fields.array[0])->type->type) {
+ case UINT_FIXED :
+ case UCHAR :
+ case USHORT :
+ case UINT :
+ case ULONG :
+ case SIZE_T :
+ case OFF_T :
+ break;
+ default:
+ in->error(in, "Wrong length type for sequence");
+ }
getLAnglebracket(in); //</sequence>
getForwardslash(in);
getRAnglebracket(in); //</sequence>
}
else if(strcmp(token,"enum") == 0) {
- char * str, *str1;
+ char * str;
+ long long value = -1;
+
t->type = ENUM;
sequence_init(&(t->labels));
- t->size = getSizeAttribute(in);
- t->fmt = allocAndCopy(getFormatAttribute(in));
+ sequence_init(&(t->labels_values));
+ sequence_init(&(t->labels_description));
+ t->already_printed = 0;
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ //if(t->size == 0) in->error(in, "Sequence has empty size");
+ //Mathieu : we fix enum size to target int size. GCC is always like this.
+ //fox copy optimisation.
+ if(t->size != 0) in->error(in, "Enum has fixed size of target int.");
+ t->size = 0;
getRAnglebracket(in);
//<label name=label1 value=n/>
getLAnglebracket(in);
token = getToken(in); //"label" or "/"
while(strcmp("label",token) == 0){
- str = allocAndCopy(getNameAttribute(in));
- token = getValueStrAttribute(in);
- if(token){
- str1 = appendString(str,"=");
- free(str);
- str = appendString(str1,token);
- free(str1);
- sequence_push(&(t->labels),str);
- }else
- sequence_push(&(t->labels),str);
+ int *label_value = malloc(sizeof(int));
+ int has_value = 0;
+ long long loc_value;
+
+ str = allocAndCopy(getNameAttribute(in));
+ has_value = getValueAttribute(in, &loc_value);
+
+ sequence_push(&(t->labels),str);
+
+ if(has_value) value = loc_value;
+ else value++;
+
+ *label_value = value;
+ sequence_push(&(t->labels_values), label_value);
getForwardslash(in);
getRAnglebracket(in);
+ //read description if any. May be NULL.
+ str = allocAndCopy(getDescription(in));
+ sequence_push(&(t->labels_description),str);
+
//next label definition
getLAnglebracket(in);
token = getToken(in); //"label" or "/"
if(strcmp("/",token))in->error(in, "not a valid enum definition");
token = getName(in);
if(strcmp("enum",token))in->error(in, "not a valid enum definition");
- getRAnglebracket(in); //</label>
+ getRAnglebracket(in); //</label>
+ }
+ else if(strcmp(token,"int_fixed") == 0) {
+ t->type = INT_FIXED;
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ if(t->size == 0) in->error(in, "int has empty size");
+ getForwardslash(in);
+ getRAnglebracket(in);
+ }
+ else if(strcmp(token,"uint_fixed") == 0) {
+ t->type = UINT_FIXED;
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ if(t->size == 0) in->error(in, "uint has empty size");
+ getForwardslash(in);
+ getRAnglebracket(in);
+ }
+ else if(strcmp(token,"char") == 0) {
+ t->type = CHAR;
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ t->size = 1;
+ getForwardslash(in);
+ getRAnglebracket(in);
+ }
+ else if(strcmp(token,"uchar") == 0) {
+ t->type = UCHAR;
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ t->size = 1;
+ getForwardslash(in);
+ getRAnglebracket(in);
+ }
+ else if(strcmp(token,"short") == 0) {
+ t->type = SHORT;
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ t->size = 2;
+ getForwardslash(in);
+ getRAnglebracket(in);
+ }
+ else if(strcmp(token,"ushort") == 0) {
+ t->type = USHORT;
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ t->size = 2;
+ getForwardslash(in);
+ getRAnglebracket(in);
}
else if(strcmp(token,"int") == 0) {
t->type = INT;
- t->size = getSizeAttribute(in);
- t->fmt = allocAndCopy(getFormatAttribute(in));
+ getTypeAttributes(in, t, unnamed_types, named_types);
getForwardslash(in);
getRAnglebracket(in);
}
else if(strcmp(token,"uint") == 0) {
t->type = UINT;
- t->size = getSizeAttribute(in);
- t->fmt = allocAndCopy(getFormatAttribute(in));
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ getForwardslash(in);
+ getRAnglebracket(in);
+ }
+
+ else if(strcmp(token,"pointer") == 0) {
+ t->type = POINTER;
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ getForwardslash(in);
+ getRAnglebracket(in);
+ }
+ else if(strcmp(token,"long") == 0) {
+ t->type = LONG;
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ getForwardslash(in);
+ getRAnglebracket(in);
+ }
+ else if(strcmp(token,"ulong") == 0) {
+ t->type = ULONG;
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ getForwardslash(in);
+ getRAnglebracket(in);
+ }
+ else if(strcmp(token,"size_t") == 0) {
+ t->type = SIZE_T;
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ getForwardslash(in);
+ getRAnglebracket(in);
+ }
+ else if(strcmp(token,"ssize_t") == 0) {
+ t->type = SSIZE_T;
+ getTypeAttributes(in, t, unnamed_types, named_types);
+ getForwardslash(in);
+ getRAnglebracket(in);
+ }
+ else if(strcmp(token,"off_t") == 0) {
+ t->type = OFF_T;
+ getTypeAttributes(in, t, unnamed_types, named_types);
getForwardslash(in);
getRAnglebracket(in);
}
else if(strcmp(token,"float") == 0) {
t->type = FLOAT;
- t->size = getSizeAttribute(in);
- t->fmt = allocAndCopy(getFormatAttribute(in));
+ getTypeAttributes(in, t, unnamed_types, named_types);
getForwardslash(in);
getRAnglebracket(in);
}
else if(strcmp(token,"string") == 0) {
t->type = STRING;
- t->fmt = allocAndCopy(getFormatAttribute(in));
+ getTypeAttributes(in, t, unnamed_types, named_types);
getForwardslash(in);
getRAnglebracket(in);
}
else if(strcmp(token,"typeref") == 0){
// Must be a named type
- if(inType != NULL)
- in->error(in,"Named type cannot refer to a named type");
- else {
- free(t);
- sequence_pop(unnamed_types);
- token = getNameAttribute(in);
- t = find_named_type(token, named_types);
- getForwardslash(in); //<typeref name=type_name/>
- getRAnglebracket(in);
- return t;
- }
+ free(t);
+ sequence_pop(unnamed_types);
+ token = getNameAttribute(in);
+ t = find_named_type(token, named_types);
+ if(t == NULL) in->error(in,"Named referred to must be pre-declared.");
+ getForwardslash(in); //<typeref name=type_name/>
+ getRAnglebracket(in);
+ return t;
}else in->error(in,"not a valid type");
return t;
* type_descriptor * : a type descriptor
*****************************************************************************/
-type_descriptor * find_named_type(char *name, table * named_types)
+type_descriptor_t * find_named_type(char *name, table_t * named_types)
{
- type_descriptor *t;
+ type_descriptor_t *t;
t = table_find(named_types,name);
- if(t == NULL) {
- t = (type_descriptor *)memAlloc(sizeof(type_descriptor));
- t->type_name = allocAndCopy(name);
- t->type = NONE;
- t->fmt = NULL;
- table_insert(named_types,allocAndCopy(name),t);
- }
+
return t;
-}
+}
+
+type_descriptor_t * create_named_type(char *name, table_t * named_types)
+{
+ type_descriptor_t *t;
+
+ t = (type_descriptor_t *)memAlloc(sizeof(type_descriptor_t));
+ t->type_name = allocAndCopy(name);
+ t->type = NONE;
+ t->fmt = NULL;
+ table_insert(named_types,t->type_name,t);
+ // table_insert(named_types,allocAndCopy(name),t);
+ return t;
+}
/*****************************************************************************
*Function name
* named_types : array of named types
*****************************************************************************/
-void parseTypeDefinition(parse_file * in, sequence * unnamed_types,
- table * named_types)
+void parseTypeDefinition(parse_file_t * in, sequence_t * unnamed_types,
+ table_t * named_types)
{
char *token;
- type_descriptor *t;
+ type_descriptor_t *t;
token = getNameAttribute(in);
- t = find_named_type(token, named_types);
+ if(token == NULL) in->error(in, "Type has empty name");
+ t = create_named_type(token, named_types);
if(t->type != NONE) in->error(in,"redefinition of named type");
getRAnglebracket(in); //<type name=type_name>
- getLAnglebracket(in); //<struct>
+ getLAnglebracket(in); //<
token = getName(in);
- if(strcmp("struct",token))in->error(in,"not a valid type definition");
+ //MD ??if(strcmp("struct",token))in->error(in,"not a valid type definition");
ungetToken(in);
parseType(in,t, unnamed_types, named_types);
*
**************************************************************************/
-char *getName(parse_file * in)
+char *getName(parse_file_t * in)
{
char *token;
token = getToken(in);
- if(in->type != NAME) in->error(in,"Name token was expected");
+ // Optional descriptions
+ // if(in->type != NAME) in->error(in,"Name token was expected");
return token;
}
-int getNumber(parse_file * in)
+int getNumber(parse_file_t * in)
{
char *token;
return atoi(token);
}
-char *getForwardslash(parse_file * in)
+char *getForwardslash(parse_file_t * in)
{
char *token;
token = getToken(in);
- if(in->type != FORWARDSLASH) in->error(in, "forward slash token was expected");
+ //if(in->type != FORWARDSLASH) in->error(in, "forward slash token was expected");
+ /* Mathieu : final / is optional now. */
+ if(in->type != FORWARDSLASH) ungetToken(in);
+
return token;
}
-char *getLAnglebracket(parse_file * in)
+char *getLAnglebracket(parse_file_t * in)
{
char *token;
return token;
}
-char *getRAnglebracket(parse_file * in)
+char *getRAnglebracket(parse_file_t * in)
{
char *token;
return token;
}
-char *getQuotedString(parse_file * in)
+char *getQuotedString(parse_file_t * in)
{
char *token;
return token;
}
-char * getEqual(parse_file *in)
+char * getEqual(parse_file_t *in)
{
char *token;
return token;
}
-char seekNextChar(parse_file *in)
+int seekNextChar(parse_file_t *in)
{
- char car;
+ int car;
while((car = getc(in->fp)) != EOF) {
if(!isspace(car)){
ungetc(car,in->fp);
*
******************************************************************/
-void ungetToken(parse_file * in)
+void ungetToken(parse_file_t * in)
{
in->unget = 1;
}
-char *getToken(parse_file * in)
+char *getToken(parse_file_t * in)
{
FILE *fp = in->fp;
- char car, car1;
+ int car, car1;
int pos = 0, escaped;
if(in->unget == 1) {
escaped = 0;
while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) {
if(car == '\\' && escaped == 0) {
- in->buffer[pos] = car;
- pos++;
+ in->buffer[pos] = car;
+ pos++;
escaped = 1;
continue;
}
in->buffer[pos] = car;
pos++;
}
- if(car == EOF) ungetc(car,fp);
+ if(car == EOF) ungetc(car,fp);
if(pos == BUFFER_SIZE) in->error(in, "number token too large");
in->type = NUMBER;
- }
- else if(isalpha(car)) {
+ }
+ else if(isalnum(car) || car == '_' || car == '-') {
in->buffer[0] = car;
pos = 1;
while((car = getc(fp)) != EOF && pos < BUFFER_SIZE) {
- if(!isalnum(car)) {
+ if(!(isalnum(car) || car == '_' || car == '-')) {
ungetc(car,fp);
break;
}
in->buffer[pos] = car;
pos++;
}
- if(car == EOF) ungetc(car,fp);
+ if(car == EOF) ungetc(car,fp);
if(pos == BUFFER_SIZE) in->error(in, "name token too large");
in->type = NAME;
- }
+ } else if(car == '?') {
+ in->buffer[0] = car;
+ pos++;
+ }
else in->error(in, "invalid character, unrecognized token");
}
in->buffer[pos] = 0;
return in->buffer;
}
-void skipComment(parse_file * in)
+void skipComment(parse_file_t * in)
{
- char car;
+ int car;
while((car = getc(in->fp)) != EOF) {
if(car == '\n') in->lineno++;
else if(car == '*') {
if(car == EOF) in->error(in,"comment begining with '/*' has no ending '*/'");
}
-void skipEOL(parse_file * in)
+void skipEOL(parse_file_t * in)
{
- char car;
+ int car;
while((car = getc(in->fp)) != EOF) {
if(car == '\n') {
ungetc(car,in->fp);
if(car == EOF)ungetc(car, in->fp);
}
-int isalpha(char c)
-{
- int i,j;
- if(c == '_')return 1;
- i = c - 'a';
- j = c - 'A';
- if((i>=0 && i<26) || (j>=0 && j<26)) return 1;
- return 0;
-}
-
-int isalnum(char c)
-{
- return (isalpha(c) || isdigit(c));
-}
-
/*****************************************************************************
*Function name
* checkNamedTypesImplemented : check if all named types have definition
****************************************************************************/
-void checkNamedTypesImplemented(table * named_types)
+void checkNamedTypesImplemented(table_t * named_types)
{
- type_descriptor *t;
+ type_descriptor_t *t;
int pos;
char str[256];
for(pos = 0 ; pos < named_types->values.position; pos++) {
- t = (type_descriptor *) named_types->values.array[pos];
+ t = (type_descriptor_t *) named_types->values.array[pos];
if(t->type == NONE){
- sprintf(str,"named type '%s' has no definition",(char*)named_types->keys.array[pos]);
+ sprintf(str,"named type '%s' has no definition",
+ (char*)named_types->keys.array[pos]);
error_callback(NULL,str);
}
}
* checksum : checksum for the facility
****************************************************************************/
-void generateChecksum( char* facName, unsigned long * checksum, sequence * events)
+void generateChecksum(char* facName,
+ unsigned int * checksum, sequence_t * events)
{
unsigned long crc ;
int pos;
- event * ev;
- char str[256];
+ event_t * ev;
+ unsigned int i;
crc = crc32(facName);
for(pos = 0; pos < events->position; pos++){
- ev = (event *)(events->array[pos]);
- crc = partial_crc32(ev->name,crc);
- if(!ev->type) continue; //event without type
- if(ev->type->type != STRUCT){
- sprintf(str,"event '%s' has a type other than STRUCT",ev->name);
- error_callback(NULL, str);
- }
- crc = getTypeChecksum(crc, ev->type);
+ ev = (event_t *)(events->array[pos]);
+ crc = partial_crc32(ev->name, crc);
+ for(i = 0; i < ev->fields.position; i++) {
+ field_t *f = (field_t*)ev->fields.array[i];
+ crc = partial_crc32(f->name, crc);
+ crc = getTypeChecksum(crc, f->type);
+ }
}
*checksum = crc;
}
* unsigned long : checksum
*****************************************************************************/
-unsigned long getTypeChecksum(unsigned long aCrc, type_descriptor * type)
+unsigned long getTypeChecksum(unsigned long aCrc, type_descriptor_t * type)
{
unsigned long crc = aCrc;
char * str = NULL, buf[16];
int flag = 0, pos;
- field * fld;
+ field_t * fld;
switch(type->type){
+ case INT_FIXED:
+ str = intOutputTypes[getSizeindex(type->size)];
+ break;
+ case UINT_FIXED:
+ str = uintOutputTypes[getSizeindex(type->size)];
+ break;
+ case POINTER:
+ str = allocAndCopy("void *");
+ flag = 1;
+ break;
+ case CHAR:
+ str = allocAndCopy("signed char");
+ flag = 1;
+ break;
+ case UCHAR:
+ str = allocAndCopy("unsigned char");
+ flag = 1;
+ break;
+ case SHORT:
+ str = allocAndCopy("short");
+ flag = 1;
+ break;
+ case USHORT:
+ str = allocAndCopy("unsigned short");
+ flag = 1;
+ break;
case INT:
- str = intOutputTypes[type->size];
+ str = allocAndCopy("int");
+ flag = 1;
break;
case UINT:
- str = uintOutputTypes[type->size];
+ str = allocAndCopy("uint");
+ flag = 1;
+ break;
+ case LONG:
+ str = allocAndCopy("long");
+ flag = 1;
+ break;
+ case ULONG:
+ str = allocAndCopy("unsigned long");
+ flag = 1;
+ break;
+ case SIZE_T:
+ str = allocAndCopy("size_t");
+ flag = 1;
+ break;
+ case SSIZE_T:
+ str = allocAndCopy("ssize_t");
+ flag = 1;
+ break;
+ case OFF_T:
+ str = allocAndCopy("off_t");
+ flag = 1;
break;
case FLOAT:
- str = floatOutputTypes[type->size];
+ str = floatOutputTypes[getSizeindex(type->size)];
break;
case STRING:
str = allocAndCopy("string");
flag = 1;
break;
case ENUM:
- str = appendString("enum ", uintOutputTypes[type->size]);
+ //str = appendString("enum ", uintOutputTypes[getSizeindex(type->size)]);
+ str = allocAndCopy("enum");
flag = 1;
break;
case ARRAY:
- sprintf(buf,"%d\0",type->size);
+ sprintf(buf,"%zu", type->size);
str = appendString("array ",buf);
flag = 1;
break;
case SEQUENCE:
- sprintf(buf,"%d\0",type->size);
- str = appendString("sequence ",buf);
+ str = allocAndCopy("sequence ");
flag = 1;
break;
case STRUCT:
if(type->fmt) crc = partial_crc32(type->fmt,crc);
- if(type->type == ARRAY || type->type == SEQUENCE){
- crc = getTypeChecksum(crc,type->nested_type);
- }else if(type->type == STRUCT || type->type == UNION){
+ if(type->type == ARRAY){
+ crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type);
+ } else if(type->type ==SEQUENCE) {
+ crc = getTypeChecksum(crc,((field_t*)type->fields.array[0])->type);
+ crc = getTypeChecksum(crc,((field_t*)type->fields.array[1])->type);
+ } else if(type->type == STRUCT || type->type == UNION){
for(pos =0; pos < type->fields.position; pos++){
- fld = (field *) type->fields.array[pos];
+ fld = (field_t *) type->fields.array[pos];
crc = partial_crc32(fld->name,crc);
crc = getTypeChecksum(crc, fld->type);
}
/* Event type descriptors */
-void freeType(type_descriptor * tp)
+void freeType(type_descriptor_t * tp)
{
int pos2;
- field *f;
+ field_t *f;
if(tp->fmt != NULL) free(tp->fmt);
if(tp->type == ENUM) {
free(tp->labels.array[pos2]);
}
sequence_dispose(&(tp->labels));
+ for(pos2 = 0; pos2 < tp->labels_values.position; pos2++) {
+ free(tp->labels_values.array[pos2]);
+ }
+ sequence_dispose(&(tp->labels_values));
}
if(tp->type == STRUCT) {
for(pos2 = 0; pos2 < tp->fields.position; pos2++) {
- f = (field *) tp->fields.array[pos2];
+ f = (field_t *) tp->fields.array[pos2];
free(f->name);
free(f->description);
free(f);
}
}
-void freeNamedType(table * t)
+void freeNamedType(table_t * t)
{
int pos;
- type_descriptor * td;
+ type_descriptor_t * td;
for(pos = 0 ; pos < t->keys.position; pos++) {
free((char *)t->keys.array[pos]);
- td = (type_descriptor*)t->values.array[pos];
+ td = (type_descriptor_t*)t->values.array[pos];
freeType(td);
free(td);
}
}
-void freeTypes(sequence *t)
+void freeTypes(sequence_t *t)
{
- int pos, pos2;
- type_descriptor *tp;
- field *f;
+ int pos;
+ type_descriptor_t *tp;
for(pos = 0 ; pos < t->position; pos++) {
- tp = (type_descriptor *)t->array[pos];
+ tp = (type_descriptor_t *)t->array[pos];
freeType(tp);
free(tp);
}
}
-void freeEvents(sequence *t)
+void freeEvents(sequence_t *t)
{
int pos;
- event *ev;
+ event_t *ev;
for(pos = 0 ; pos < t->position; pos++) {
- ev = (event *) t->array[pos];
+ ev = (event_t *) t->array[pos];
free(ev->name);
free(ev->description);
+ sequence_dispose(&ev->fields);
free(ev);
}
/* Extensible array */
-void sequence_init(sequence *t)
+void sequence_init(sequence_t *t)
{
t->size = 10;
t->position = 0;
t->array = (void **)memAlloc(t->size * sizeof(void *));
}
-void sequence_dispose(sequence *t)
+void sequence_dispose(sequence_t *t)
{
t->size = 0;
free(t->array);
t->array = NULL;
}
-void sequence_push(sequence *t, void *elem)
+void sequence_push(sequence_t *t, void *elem)
{
void **tmp;
t->position++;
}
-void *sequence_pop(sequence *t)
+void *sequence_pop(sequence_t *t)
{
- return t->array[t->position--];
+ if(t->position == 0) printf("Error : trying to pop an empty sequence");
+ return t->array[--t->position];
}
/* Hash table API, implementation is just linear search for now */
-void table_init(table *t)
+void table_init(table_t *t)
{
sequence_init(&(t->keys));
sequence_init(&(t->values));
}
-void table_dispose(table *t)
+void table_dispose(table_t *t)
{
sequence_dispose(&(t->keys));
sequence_dispose(&(t->values));
}
-void table_insert(table *t, char *key, void *value)
+void table_insert(table_t *t, char *key, void *value)
{
sequence_push(&(t->keys),key);
sequence_push(&(t->values),value);
}
-void *table_find(table *t, char *key)
+void *table_find(table_t *t, char *key)
{
int pos;
for(pos = 0 ; pos < t->keys.position; pos++) {
return NULL;
}
-void table_insert_int(table *t, int *key, void *value)
+void table_insert_int(table_t *t, int *key, void *value)
{
sequence_push(&(t->keys),key);
sequence_push(&(t->values),value);
}
-void *table_find_int(table *t, int *key)
+void *table_find_int(table_t *t, int *key)
{
int pos;
for(pos = 0 ; pos < t->keys.position; pos++) {
strcat(tmp,suffix);
return tmp;
}
-
-
projects / lttv.git / blobdiff