-/* $Id$ */
+/* DataDesc/ddt_parse.c -- automatic parsing of data structures */
-/* DataDesc/ddt_parse.c -- automatic parsing of data structures */
-
-/* Authors: Arnaud Legrand, Martin Quinson */
-/* Copyright (C) 2003, 2004 Martin Quinson. */
+/* Copyright (c) 2004, 2005, 2006, 2007, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- under the terms of the license (GNU LGPL) which comes with this package. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include <ctype.h> /* isdigit */
-#include "DataDesc/datadesc_private.h"
-#include "DataDesc/ddt_parse.yy.h"
+#include "xbt/ex.h"
+#include "gras/DataDesc/datadesc_private.h"
+#include "gras/DataDesc/ddt_parse.yy.h"
-GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(parse,datadesc);
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_ddt_parse, gras_ddt,
+ "Parsing C data structures to build GRAS data description");
-typedef struct s_type_modifier{
- short is_unsigned;
- short is_short;
+typedef struct s_type_modifier {
short is_long;
+ int is_unsigned:1;
+ int is_short:1;
+
+ int is_struct:1;
+ int is_union:1;
+ int is_enum:1;
- short is_struct;
- short is_union;
- short is_enum;
+ int is_ref:1;
- short is_ref;
-} type_modifier_t;
+ int is_dynar:2;
+ int is_matrix:2;
+} s_type_modifier_t, *type_modifier_t;
typedef struct s_field {
- gras_datadesc_type_t *type;
+ gras_datadesc_type_t type;
char *type_name;
char *name;
-} identifier_t;
-
-extern char *gras_ddt_parse_text; /* text being considered in the parser */
+ s_type_modifier_t tm;
+} s_identifier_t;
-/* prototypes */
-static void parse_type_modifier(type_modifier_t *type_modifier);
-static void print_type_modifier(type_modifier_t type_modifier);
-
-static gras_error_t parse_statement(char *definition,
- gras_dynar_t **dynar);
-static gras_datadesc_type_t * parse_struct(char *definition);
-static gras_datadesc_type_t * parse_typedef(char *definition);
+extern char *gras_ddt_parse_text; /* text being considered in the parser */
/* local functions */
-static void parse_type_modifier(type_modifier_t *type_modifier) {
- DEBUG0("Parse the modifiers");
+static void parse_type_modifier(type_modifier_t type_modifier)
+{
+ XBT_IN;
do {
if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_STAR) {
+ /* This only used when parsing 'short *' since this function returns when int, float, double,... is encountered */
DEBUG0("This is a reference");
type_modifier->is_ref++;
-
- } else if (!strcmp(gras_ddt_parse_text,"unsigned")) {
+
+ } else if (!strcmp(gras_ddt_parse_text, "unsigned")) {
DEBUG0("This is an unsigned");
type_modifier->is_unsigned = 1;
-
- } else if (!strcmp(gras_ddt_parse_text,"short")) {
+
+ } else if (!strcmp(gras_ddt_parse_text, "short")) {
DEBUG0("This is short");
type_modifier->is_short = 1;
-
- } else if (!strcmp(gras_ddt_parse_text,"long")) {
+
+ } else if (!strcmp(gras_ddt_parse_text, "long")) {
DEBUG0("This is long");
type_modifier->is_long++; /* handle "long long" */
-
- } else if (!strcmp(gras_ddt_parse_text,"struct")) {
+
+ } else if (!strcmp(gras_ddt_parse_text, "struct")) {
DEBUG0("This is a struct");
type_modifier->is_struct = 1;
-
- } else if (!strcmp(gras_ddt_parse_text,"union")) {
+
+ } else if (!strcmp(gras_ddt_parse_text, "union")) {
DEBUG0("This is an union");
type_modifier->is_union = 1;
-
- } else if (!strcmp(gras_ddt_parse_text,"enum")) {
+
+ } else if (!strcmp(gras_ddt_parse_text, "enum")) {
DEBUG0("This is an enum");
type_modifier->is_enum = 1;
-
+
+ } else if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_EMPTY) {
+ DEBUG0("Pass space");
+
} else {
- DEBUG1("Done with modifiers (got %s)",gras_ddt_parse_text);
+ DEBUG1("Done with modifiers (got %s)", gras_ddt_parse_text);
break;
}
gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
- if((gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_WORD) &&
- (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_STAR)) {
- DEBUG1("Done with modifiers (got %s)",gras_ddt_parse_text);
+ if ((gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_WORD) &&
+ (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_STAR)) {
+ DEBUG2("Done with modifiers (got %s,%d)", gras_ddt_parse_text,
+ gras_ddt_parse_tok_num);
break;
}
- } while(1);
+ } while (1);
+ XBT_OUT;
}
-static void print_type_modifier(type_modifier_t tm) {
+static void print_type_modifier(s_type_modifier_t tm)
+{
int i;
- if (tm.is_unsigned) printf("(unsigned) ");
- if (tm.is_short) printf("(short) ");
- for (i=0 ; i<tm.is_long ; i++) printf("(long) ");
+ XBT_IN;
+ if (tm.is_unsigned)
+ printf("(unsigned) ");
+ if (tm.is_short)
+ printf("(short) ");
+ for (i = 0; i < tm.is_long; i++)
+ printf("(long) ");
+
+ if (tm.is_struct)
+ printf("(struct) ");
+ if (tm.is_enum)
+ printf("(enum) ");
+ if (tm.is_union)
+ printf("(union) ");
+
+ for (i = 0; i < tm.is_ref; i++)
+ printf("(ref) ");
+ XBT_OUT;
+}
+
+static void change_to_fixed_array(xbt_dynar_t dynar, long int size)
+{
+ s_identifier_t former, array;
+ memset(&array, 0, sizeof(array));
+
+ XBT_IN;
+ xbt_dynar_pop(dynar, &former);
+ array.type_name = (char *) xbt_malloc(strlen(former.type->name) + 48);
+ DEBUG2("Array specification (size=%ld, elm='%s'), change pushed type",
+ size, former.type_name);
+ sprintf(array.type_name, "%s%s%s%s[%ld]",
+ (former.tm.is_unsigned ? "u " : ""),
+ (former.tm.is_short ? "s " : ""),
+ (former.tm.is_long ? "l " : ""), former.type_name, size);
+ free(former.type_name);
+
+ array.type = gras_datadesc_array_fixed(array.type_name, former.type, size); /* redeclaration are ignored */
+ array.name = former.name;
+
+ xbt_dynar_push(dynar, &array);
+ XBT_OUT;
+}
+
+static void change_to_ref(xbt_dynar_t dynar)
+{
+ s_identifier_t former, ref;
+ memset(&ref, 0, sizeof(ref));
- if(tm.is_struct) printf("(struct) ");
- if(tm.is_enum) printf("(enum) ");
- if(tm.is_union) printf("(union) ");
+ XBT_IN;
+ xbt_dynar_pop(dynar, &former);
+ ref.type_name = (char *) xbt_malloc(strlen(former.type->name) + 2);
+ DEBUG1("Ref specification (elm='%s'), change pushed type",
+ former.type_name);
+ sprintf(ref.type_name, "%s*", former.type_name);
+ free(former.type_name);
- for (i=0 ; i<tm.is_ref ; i++) printf("(ref) ");
+ ref.type = gras_datadesc_ref(ref.type_name, former.type); /* redeclaration are ignored */
+ ref.name = former.name;
+
+ xbt_dynar_push(dynar, &ref);
+ XBT_OUT;
}
-static gras_error_t parse_statement(char *definition,
- gras_dynar_t **dynar) {
- gras_error_t errcode;
+static void change_to_ref_pop_array(xbt_dynar_t dynar)
+{
+ s_identifier_t former, ref;
+ memset(&ref, 0, sizeof(ref));
+
+ XBT_IN;
+ xbt_dynar_pop(dynar, &former);
+ ref.type = gras_datadesc_ref_pop_arr(former.type); /* redeclaration are ignored */
+ ref.type_name = (char *) strdup(ref.type->name);
+ ref.name = former.name;
+
+ free(former.type_name);
+
+ xbt_dynar_push(dynar, &ref);
+ XBT_OUT;
+}
+
+static void change_to_dynar_of(xbt_dynar_t dynar,
+ gras_datadesc_type_t subtype)
+{
+ s_identifier_t former, ref;
+ memset(&ref, 0, sizeof(ref));
+
+ XBT_IN;
+ xbt_dynar_pop(dynar, &former);
+ ref.type = gras_datadesc_dynar(subtype, NULL); /* redeclaration are ignored */
+ ref.type_name = (char *) strdup(ref.type->name);
+ ref.name = former.name;
+
+ free(former.type_name);
+
+ xbt_dynar_push(dynar, &ref);
+ XBT_OUT;
+}
+
+static void change_to_matrix_of(xbt_dynar_t dynar,
+ gras_datadesc_type_t subtype)
+{
+ s_identifier_t former, ref;
+ memset(&ref, 0, sizeof(ref));
+
+ XBT_IN;
+ xbt_dynar_pop(dynar, &former);
+ ref.type = gras_datadesc_matrix(subtype, NULL); /* redeclaration are ignored */
+ ref.type_name = (char *) strdup(ref.type->name);
+ ref.name = former.name;
+
+ free(former.type_name);
+
+ xbt_dynar_push(dynar, &ref);
+ XBT_OUT;
+}
+
+static void add_free_f(xbt_dynar_t dynar, void_f_pvoid_t free_f)
+{
+ s_identifier_t former, ref;
+ memset(&ref, 0, sizeof(ref));
+
+ XBT_IN;
+ xbt_dynar_pop(dynar, &former);
+ memcpy(former.type->extra, free_f, sizeof(free_f));
+ xbt_dynar_push(dynar, &former);
+ XBT_OUT;
+}
+
+static void parse_statement(char *definition,
+ xbt_dynar_t identifiers,
+ xbt_dynar_t fields_to_push)
+{
char buffname[512];
- identifier_t identifier;
- type_modifier_t tm;
+ s_identifier_t identifier;
- int starred = 0;
int expect_id_separator = 0;
- gras_dynar_reset(*dynar);
- memset(&identifier,0,sizeof(identifier));
- memset(&tm,0,sizeof(tm));
-
+ XBT_IN;
+ memset(&identifier, 0, sizeof(identifier));
+
gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
- if(gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_RP) {
- return mismatch_error; /* end of the englobing structure or union */
+ if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_RA) {
+ XBT_OUT;
+ THROW0(mismatch_error, 0, "End of the englobing structure or union");
}
-
- if (GRAS_LOG_ISENABLED(parse,gras_log_priority_debug)) {
+
+ if (XBT_LOG_ISENABLED(gras_ddt_parse, xbt_log_priority_debug)) {
int colon_pos;
for (colon_pos = gras_ddt_parse_col_pos;
- definition[colon_pos] != ';';
- colon_pos++);
+ definition[colon_pos] != ';'; colon_pos++);
definition[colon_pos] = '\0';
DEBUG3("Parse the statement \"%s%s;\" (col_pos=%d)",
- gras_ddt_parse_text,
- definition+gras_ddt_parse_col_pos,
- gras_ddt_parse_col_pos);
+ gras_ddt_parse_text,
+ definition + gras_ddt_parse_col_pos, gras_ddt_parse_col_pos);
definition[colon_pos] = ';';
}
- if(gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_WORD) {
- ERROR2("Unparsable symbol: found a typeless statement (got '%s' instead). Definition was:\n%s",
- gras_ddt_parse_text, definition);
- gras_abort();
- }
+ if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_WORD)
+ PARSE_ERROR1
+ ("Unparsable symbol: found a typeless statement (got '%s' instead)",
+ gras_ddt_parse_text);
- /**** get the type modifier of this statement ****/
- parse_type_modifier(&tm);
+ /**** get the type modifier of this statement ****/
+ parse_type_modifier(&identifier.tm);
/* FIXME: This does not detect recursive definitions at all? */
- if (tm.is_union || tm.is_enum || tm.is_struct) {
- ERROR1("Cannot handle recursive type definition yet. Definition was:\n%s",
- definition);
- gras_abort();
- }
-
- /**** get the base type, giving "short a" the needed love ****/
- if (!tm.is_union &&
- !tm.is_enum &&
- !tm.is_struct &&
-
- (tm.is_short || tm.is_long || tm.is_unsigned) &&
-
- strcmp(gras_ddt_parse_text,"char") &&
- strcmp(gras_ddt_parse_text,"float") &&
- strcmp(gras_ddt_parse_text,"double") &&
- strcmp(gras_ddt_parse_text,"int") ) {
+ if (identifier.tm.is_union || identifier.tm.is_enum
+ || identifier.tm.is_struct)
+ PARSE_ERROR0
+ ("Unimplemented feature: GRAS_DEFINE_TYPE cannot handle recursive type definition yet");
+
+ /**** get the base type, giving "short a" the needed love ****/
+ if (!identifier.tm.is_union &&
+ !identifier.tm.is_enum &&
+ !identifier.tm.is_struct &&
+ (identifier.tm.is_short || identifier.tm.is_long
+ || identifier.tm.is_unsigned) && strcmp(gras_ddt_parse_text, "char")
+ && strcmp(gras_ddt_parse_text, "float")
+ && strcmp(gras_ddt_parse_text, "double")
+ && strcmp(gras_ddt_parse_text, "int")) {
/* bastard user, they omited "int" ! */
- identifier.type_name=strdup("int");
- DEBUG0("the base type is 'int', which were omited");
+ identifier.type_name = (char *) strdup("int");
+ DEBUG0("the base type is 'int', which were omited (you vicious user)");
} else {
- identifier.type_name=strdup(gras_ddt_parse_text);
- DEBUG1("the base type is '%s'",identifier.type_name);
- gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
+ identifier.type_name = (char *) strdup(gras_ddt_parse_text);
+ DEBUG1("the base type is '%s'", identifier.type_name);
+ gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
}
- /**** build the base type for latter use ****/
- if (tm.is_union) {
- ERROR1("Cannot handle union yet (need annotation to get the callback). Definition was:\n%s",
- definition);
- gras_abort();
-
- } else if (tm.is_enum) {
- ERROR1("Cannot handle enum yet. Definition was:\n%s",
- definition);
- gras_abort();
-
- } else if (tm.is_struct) {
- sprintf(buffname,"struct %s",identifier.type_name);
- identifier.type = gras_datadesc_by_name(buffname);
- if (!identifier.type) {
- TRY(gras_datadesc_declare_struct(buffname,&identifier.type));
- }
-
- } else if (tm.is_unsigned) {
- if (!strcmp(identifier.type_name,"int")) {
- if (tm.is_long == 2) {
- identifier.type = gras_datadesc_by_name("unsigned long long int");
- } else if (tm.is_long) {
- identifier.type = gras_datadesc_by_name("unsigned long int");
- } else if (tm.is_short) {
- identifier.type = gras_datadesc_by_name("unsigned short int");
+ /**** build the base type for latter use ****/
+ if (identifier.tm.is_union) {
+ PARSE_ERROR0
+ ("Unimplemented feature: GRAS_DEFINE_TYPE cannot handle union yet (get callback from annotation?)");
+
+ } else if (identifier.tm.is_enum) {
+ PARSE_ERROR0
+ ("Unimplemented feature: GRAS_DEFINE_TYPE cannot handle enum yet");
+
+ } else if (identifier.tm.is_struct) {
+ sprintf(buffname, "struct %s", identifier.type_name);
+ identifier.type = gras_datadesc_struct(buffname); /* Get created when does not exist */
+
+ } else if (identifier.tm.is_unsigned) {
+ if (!strcmp(identifier.type_name, "int")) {
+ if (identifier.tm.is_long == 2) {
+ identifier.type = gras_datadesc_by_name("unsigned long long int");
+ } else if (identifier.tm.is_long) {
+ identifier.type = gras_datadesc_by_name("unsigned long int");
+ } else if (identifier.tm.is_short) {
+ identifier.type = gras_datadesc_by_name("unsigned short int");
} else {
- identifier.type = gras_datadesc_by_name("unsigned int");
+ identifier.type = gras_datadesc_by_name("unsigned int");
}
} else if (!strcmp(identifier.type_name, "char")) {
identifier.type = gras_datadesc_by_name("unsigned char");
- } else { /* impossible, gcc parses this shit before us */
- RAISE_IMPOSSIBLE;
+ } else { /* impossible, gcc parses this shit before us */
+ THROW_IMPOSSIBLE;
}
-
+
} else if (!strcmp(identifier.type_name, "float")) {
/* no modificator allowed by gcc */
identifier.type = gras_datadesc_by_name("float");
} else if (!strcmp(identifier.type_name, "double")) {
- if (tm.is_long) {
- ERROR0("long double not portable and thus not handled");
- gras_abort();
- }
+ if (identifier.tm.is_long)
+ PARSE_ERROR0("long double not portable and thus not handled");
+
identifier.type = gras_datadesc_by_name("double");
- } else { /* signed integer elemental */
- if (!strcmp(identifier.type_name,"int")) {
- if (tm.is_long == 2) {
- identifier.type = gras_datadesc_by_name("signed long long int");
- } else if (tm.is_long) {
- identifier.type = gras_datadesc_by_name("signed long int");
- } else if (tm.is_short) {
- identifier.type = gras_datadesc_by_name("signed short int");
+ } else { /* signed integer elemental */
+ if (!strcmp(identifier.type_name, "int")) {
+ if (identifier.tm.is_long == 2) {
+ identifier.type = gras_datadesc_by_name("signed long long int");
+ } else if (identifier.tm.is_long) {
+ identifier.type = gras_datadesc_by_name("signed long int");
+ } else if (identifier.tm.is_short) {
+ identifier.type = gras_datadesc_by_name("signed short int");
} else {
- identifier.type = gras_datadesc_by_name("int");
+ identifier.type = gras_datadesc_by_name("int");
}
} else if (!strcmp(identifier.type_name, "char")) {
identifier.type = gras_datadesc_by_name("char");
- } else { /* impossible */
- ERROR3("The Impossible did happen at %d:%d of :\n%s",
- gras_ddt_parse_line_pos,gras_ddt_parse_char_pos,definition);
- gras_abort();
+ } else {
+ DEBUG1("Base type is a constructed one (%s)", identifier.type_name);
+ if (!strcmp(identifier.type_name, "xbt_matrix_t")) {
+ identifier.tm.is_matrix = 1;
+ } else if (!strcmp(identifier.type_name, "xbt_dynar_t")) {
+ identifier.tm.is_dynar = 1;
+ } else {
+ identifier.type = gras_datadesc_by_name(identifier.type_name);
+ if (!identifier.type)
+ PARSE_ERROR1("Unknown base type '%s'", identifier.type_name);
+ }
}
-
- }
-
- if (tm.is_ref) {
- ERROR1("Cannot handle references yet (need annotations), sorry. Definition was:\n%s",
- definition);
- gras_abort();
- /* Should build ref on the current identifier.type (beware of int****) */
}
-
- /**** look for the symbols of this type ****/
- for(expect_id_separator = 0;
+ /* Now identifier.type and identifier.name speak about the base type.
+ Stars are not eaten unless 'int' was omitted.
+ We will have to enhance it if we are in fact asked for array or reference.
- ((gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_EMPTY) &&
- (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_SEMI_COLON)) ;
+ Dynars and matrices also need some extra love (prodiged as annotations)
+ */
- gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump() ) {
+ /**** look for the symbols of this type ****/
+ for (expect_id_separator = 0; ( /*(gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_EMPTY) && FIXME */
+ (gras_ddt_parse_tok_num !=
+ GRAS_DDT_PARSE_TOKEN_SEMI_COLON));
+ gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump()) {
- if(expect_id_separator) {
- if(gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_COLON) {
+ if (expect_id_separator) {
+ if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_COLON) {
expect_id_separator = 0;
continue;
} else if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_LB) {
- /* Handle fixed size arrays */
- gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
- if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_RB) {
- ERROR3("Cannot dynamically sized array at %d:%d of %s",
- gras_ddt_parse_line_pos,gras_ddt_parse_char_pos,
- definition);
- gras_abort();
- } else if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_WORD) {
- char *end;
- long int size=strtol(gras_ddt_parse_text, &end, 10);
- identifier_t array;
-
- if (end == gras_ddt_parse_text ||
- *end != '\0') {
- ERROR4("Unparsable size of array at %d:%d of %s. Found '%c', expected '\\0'",
- gras_ddt_parse_line_pos,gras_ddt_parse_char_pos,
- definition,*end);
- gras_abort();
- }
- /* replace the previously pushed type to an array of it */
- gras_dynar_pop(*dynar,&identifier.type);
- array.type_name=malloc(strlen(identifier.type->name)+20);
- DEBUG2("Array specification (size=%ld, elm='%s'), change pushed type",
- size,identifier.type_name);
- sprintf(array.type_name,"%s[%ld]",identifier.type_name,size);
- free(identifier.type_name);
- array.type = gras_datadesc_by_name(array.type_name);
- if (array.type==NULL) {
- TRY(gras_datadesc_declare_array_fixed(array.type_name,
- identifier.type,
- size, &array.type));
- }
- array.name = identifier.name;
- TRY(gras_dynar_push(*dynar,&array));
-
- /* eat the closing bracket */
- gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
- if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_RB) {
- ERROR3("Unparsable size of array at %d:%d of %s",
- gras_ddt_parse_line_pos,gras_ddt_parse_char_pos,
- definition);
- gras_abort();
- }
- DEBUG1("Fixed size array, size=%ld",size);
- continue;
- } else {
- ERROR3("Unparsable size of array at %d:%d of %s",
- gras_ddt_parse_line_pos,gras_ddt_parse_char_pos,
- definition);
- gras_abort();
- }
+ /* Handle fixed size arrays */
+ gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
+ if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_RB) {
+ PARSE_ERROR0
+ ("Unimplemented feature: GRAS_DEFINE_TYPE cannot deal with [] constructs (yet)");
+
+ } else if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_WORD) {
+ char *end;
+ long int size = strtol(gras_ddt_parse_text, &end, 10);
+
+ if (end == gras_ddt_parse_text || *end != '\0') {
+ /* Not a number. Get the constant value, if any */
+ int *storage = xbt_dict_get_or_null(gras_dd_constants,
+ gras_ddt_parse_text);
+ if (storage) {
+ size = *storage;
+ } else {
+ PARSE_ERROR1
+ ("Unparsable size of array. Found '%s', expected number or known constant. Need to use gras_datadesc_set_const(), huh?",
+ gras_ddt_parse_text);
+ }
+ }
+
+ /* replace the previously pushed type to an array of it */
+ change_to_fixed_array(identifiers, size);
+
+ /* eat the closing bracket */
+ gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
+ if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_RB)
+ PARSE_ERROR0("Unparsable size of array");
+ DEBUG1("Fixed size array, size=%ld", size);
+ continue;
+ } else {
+ PARSE_ERROR0("Unparsable size of array");
+ }
+ /* End of fixed size arrays handling */
+
+ } else if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_WORD) {
+ /* Handle annotation */
+ s_identifier_t array;
+ char *keyname = NULL;
+ char *keyval = NULL;
+ memset(&array, 0, sizeof(array));
+ if (strcmp(gras_ddt_parse_text, "GRAS_ANNOTE"))
+ PARSE_ERROR1
+ ("Unparsable symbol: Expected 'GRAS_ANNOTE', got '%s'",
+ gras_ddt_parse_text);
+
+ gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
+ if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_LP)
+ PARSE_ERROR1
+ ("Unparsable annotation: Expected parenthesis, got '%s'",
+ gras_ddt_parse_text);
+
+ while ((gras_ddt_parse_tok_num =
+ gras_ddt_parse_lex_n_dump()) ==
+ GRAS_DDT_PARSE_TOKEN_EMPTY);
+
+ if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_WORD)
+ PARSE_ERROR1
+ ("Unparsable annotation: Expected key name, got '%s'",
+ gras_ddt_parse_text);
+ keyname = (char *) strdup(gras_ddt_parse_text);
+
+ while ((gras_ddt_parse_tok_num =
+ gras_ddt_parse_lex_n_dump()) ==
+ GRAS_DDT_PARSE_TOKEN_EMPTY);
+
+ if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_COLON)
+ PARSE_ERROR1
+ ("Unparsable annotation: expected ',' after the key name, got '%s'",
+ gras_ddt_parse_text);
+
+ while ((gras_ddt_parse_tok_num =
+ gras_ddt_parse_lex_n_dump()) ==
+ GRAS_DDT_PARSE_TOKEN_EMPTY);
+
+ /* get the value */
+
+ if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_WORD)
+ PARSE_ERROR1
+ ("Unparsable annotation: Expected key value, got '%s'",
+ gras_ddt_parse_text);
+ keyval = (char *) strdup(gras_ddt_parse_text);
+
+ while ((gras_ddt_parse_tok_num =
+ gras_ddt_parse_lex_n_dump()) ==
+ GRAS_DDT_PARSE_TOKEN_EMPTY);
+
+ /* Done with parsing the annotation. Now deal with it by replacing previously pushed type with the right one */
+
+ DEBUG2("Anotation: %s=%s", keyname, keyval);
+ if (!strcmp(keyname, "size")) {
+ if (!identifier.tm.is_ref)
+ PARSE_ERROR0
+ ("Size annotation for a field not being a reference");
+ identifier.tm.is_ref--;
+
+ if (!strcmp(keyval, "1")) {
+ change_to_ref(identifiers);
+ free(keyval);
+ } else {
+ char *p;
+ int fixed = 1;
+ for (p = keyval; *p != '\0'; p++)
+ if (!isdigit(*p))
+ fixed = 0;
+ if (fixed) {
+ change_to_fixed_array(identifiers, atoi(keyval));
+ change_to_ref(identifiers);
+ free(keyval);
+
+ } else {
+ change_to_ref_pop_array(identifiers);
+ xbt_dynar_push(fields_to_push, &keyval);
+ }
+ }
+ } else if (!strcmp(keyname, "subtype")) {
+ gras_datadesc_type_t subtype = gras_datadesc_by_name(keyval);
+ if (identifier.tm.is_matrix) {
+ change_to_matrix_of(identifiers, subtype);
+ identifier.tm.is_matrix = -1;
+ } else if (identifier.tm.is_dynar) {
+ change_to_dynar_of(identifiers, subtype);
+ identifier.tm.is_dynar = -1;
+ } else {
+ PARSE_ERROR1
+ ("subtype annotation only accepted for dynars and matrices, but passed to '%s'",
+ identifier.type_name);
+ }
+ free(keyval);
+ } else if (!strcmp(keyname, "free_f")) {
+ int *storage = xbt_dict_get_or_null(gras_dd_constants, keyval);
+ if (!storage)
+ PARSE_ERROR1
+ ("value for free_f annotation of field %s is not a known constant",
+ identifier.name);
+ if (identifier.tm.is_matrix == -1) {
+ add_free_f(identifiers, *(void_f_pvoid_t *) storage);
+ identifier.tm.is_matrix = 0;
+ } else if (identifier.tm.is_dynar == -1) {
+ add_free_f(identifiers, *(void_f_pvoid_t *) storage);
+ identifier.tm.is_dynar = 0;
+ } else {
+ PARSE_ERROR1
+ ("free_f annotation only accepted for dynars and matrices which subtype is already declared (field %s)",
+ identifier.name);
+ }
+ free(keyval);
+ } else {
+ free(keyval);
+ PARSE_ERROR1("Unknown annotation type: '%s'", keyname);
+ }
+ free(keyname);
+
+ /* Get all the multipliers */
+ while (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_STAR) {
+
+ gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
+
+ if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_WORD)
+ PARSE_ERROR1
+ ("Unparsable annotation: Expected field name after '*', got '%s'",
+ gras_ddt_parse_text);
+
+ keyval = xbt_malloc(strlen(gras_ddt_parse_text) + 2);
+ sprintf(keyval, "*%s", gras_ddt_parse_text);
+
+ /* ask caller to push field as a multiplier */
+ xbt_dynar_push(fields_to_push, &keyval);
+
+ /* skip blanks after this block */
+ while ((gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump())
+ == GRAS_DDT_PARSE_TOKEN_EMPTY);
+ }
+
+ if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_RP)
+ PARSE_ERROR1
+ ("Unparsable annotation: Expected parenthesis, got '%s'",
+ gras_ddt_parse_text);
+
+ continue;
+
+ /* End of annotation handling */
} else {
- ERROR2("Unparsable symbol: Expected a comma (','), got '%s' instead. Definition was:\n%s",
- gras_ddt_parse_text, definition);
- gras_abort();
+ PARSE_ERROR1
+ ("Unparsable symbol: Got '%s' instead of expected comma (',')",
+ gras_ddt_parse_text);
}
- } else if(gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_COLON) {
- ERROR1("Unparsable symbol: Unexpected comma (','). Definition was:\n%s",
- definition);
- gras_abort();
+ } else if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_COLON) {
+ PARSE_ERROR0("Unparsable symbol: Unexpected comma (',')");
}
- if(gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_STAR) {
- starred = 1;
+ if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_STAR) {
+ identifier.tm.is_ref++; /* We indeed deal with multiple references with multiple annotations */
+ continue;
}
/* found a symbol name. Build the type and push it to dynar */
- if(gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_WORD) {
- if (starred) {
- /* FIXME: Build a ref or array on the base type */
- ERROR1("Cannot handle references yet (need annotations), sorry. Definition was:\n%s",
- definition);
- gras_abort();
- }
- identifier.name=strdup(gras_ddt_parse_text);
- DEBUG1("Found the identifier \"%s\"",identifier.name);
-
- TRY(gras_dynar_push(*dynar, &identifier));
- starred = 0;
+ if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_WORD) {
+
+ identifier.name = (char *) strdup(gras_ddt_parse_text);
+ DEBUG1("Found the identifier \"%s\"", identifier.name);
+
+ xbt_dynar_push(identifiers, &identifier);
+ DEBUG1("Dynar_len=%lu", xbt_dynar_length(identifiers));
expect_id_separator = 1;
continue;
- }
+ }
- ERROR3("Unparasable symbol (maybe a def struct in a def struct or so) at %d:%d of\n%s",
- gras_ddt_parse_line_pos,gras_ddt_parse_char_pos,
- definition);
- gras_abort();
+ PARSE_ERROR0
+ ("Unparasable symbol (maybe a def struct in a def struct or a parser bug ;)");
}
- DEBUG0("End of this statement");
- return no_error;
+ if (identifier.tm.is_matrix > 0)
+ PARSE_ERROR0("xbt_matrix_t field without 'subtype' annotation");
+ if (identifier.tm.is_dynar > 0)
+ PARSE_ERROR0("xbt_dynar_t field without 'subtype' annotation");
+
+ XBT_OUT;
}
-static gras_datadesc_type_t *parse_struct(char *definition) {
+static gras_datadesc_type_t parse_struct(char *definition)
+{
+
+ xbt_ex_t e;
- gras_error_t errcode;
char buffname[32];
- static int anonymous_struct=0;
+ static int anonymous_struct = 0;
- gras_dynar_t *fields;
+ xbt_dynar_t identifiers;
+ s_identifier_t field;
+ unsigned int iter;
+ int done;
- identifier_t field;
- int i;
+ xbt_dynar_t fields_to_push;
+ char *name;
- gras_datadesc_type_t *struct_type;
+ gras_datadesc_type_t struct_type;
- errcode=gras_dynar_new(&fields,sizeof(identifier_t),NULL);
- if (errcode != no_error)
- return NULL;
+ XBT_IN;
+ identifiers = xbt_dynar_new(sizeof(s_identifier_t), NULL);
+ fields_to_push = xbt_dynar_new(sizeof(char *), NULL);
/* Create the struct descriptor */
if (gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_WORD) {
- TRYFAIL(gras_datadesc_declare_struct(gras_ddt_parse_text,&struct_type));
- DEBUG1("Parse the struct '%s'", gras_ddt_parse_text);
+ struct_type = gras_datadesc_struct(gras_ddt_parse_text);
+ VERB1("Parse the struct '%s'", gras_ddt_parse_text);
gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
} else {
- sprintf(buffname,"anonymous struct %d",anonymous_struct++);
- DEBUG1("Parse the anonymous struct nb %d", anonymous_struct);
- TRYFAIL(gras_datadesc_declare_struct(buffname,&struct_type));
+ sprintf(buffname, "anonymous struct %d", anonymous_struct++);
+ VERB1("Parse the anonymous struct nb %d", anonymous_struct);
+ struct_type = gras_datadesc_struct(buffname);
}
- if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_LP) {
- ERROR2("Unparasable symbol: Expecting struct definition, but got %s instead of '{'. The definition was:\n%s",
- gras_ddt_parse_text,definition);
- gras_abort();
- }
+ if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_LA)
+ PARSE_ERROR1
+ ("Unparasable symbol: Expecting struct definition, but got %s instead of '{'",
+ gras_ddt_parse_text);
+
+ /* Parse the identifiers */
+ done = 0;
+ do {
+ TRY {
+ parse_statement(definition, identifiers, fields_to_push);
+ }
+ CATCH(e) {
+ if (e.category != mismatch_error)
+ RETHROW;
+ xbt_ex_free(e);
+ done = 1;
+ }
- /* Parse the fields */
- for (errcode=parse_statement(definition,&fields);
- errcode == no_error ;
- errcode=parse_statement(definition,&fields)) {
-
- DEBUG1("This statement contained %d fields",gras_dynar_length(fields));
- gras_dynar_foreach(fields,i, field) {
- DEBUG1("Append field %s",field.name);
- TRYFAIL(gras_datadesc_declare_struct_append(struct_type,field.name,
- field.type));
+ DEBUG1("This statement contained %lu identifiers",
+ xbt_dynar_length(identifiers));
+ /* append the identifiers we've found */
+ xbt_dynar_foreach(identifiers, iter, field) {
+ if (field.tm.is_ref)
+ PARSE_ERROR2
+ ("Not enough GRAS_ANNOTATE to deal with all dereferencing levels of %s (%d '*' left)",
+ field.name, field.tm.is_ref);
+
+ VERB2("Append field '%s' to %p", field.name, (void *) struct_type);
+ gras_datadesc_struct_append(struct_type, field.name, field.type);
free(field.name);
free(field.type_name);
+
}
- }
- gras_datadesc_declare_struct_close(struct_type);
- if (errcode != mismatch_error)
- return NULL; /* FIXME: LEAK! */
+ xbt_dynar_reset(identifiers);
+ DEBUG1("struct_type=%p", (void *) struct_type);
+
+ /* Make sure that all fields declaring a size push it into the cbps */
+ xbt_dynar_foreach(fields_to_push, iter, name) {
+ DEBUG1("struct_type=%p", (void *) struct_type);
+ if (name[0] == '*') {
+ VERB2("Push field '%s' as a multiplier into size stack of %p",
+ name + 1, (void *) struct_type);
+ gras_datadesc_cb_field_push_multiplier(struct_type, name + 1);
+ } else {
+ VERB2("Push field '%s' into size stack of %p",
+ name, (void *) struct_type);
+ gras_datadesc_cb_field_push(struct_type, name);
+ }
+ free(name);
+ }
+ xbt_dynar_reset(fields_to_push);
+ } while (!done);
+ gras_datadesc_struct_close(struct_type);
/* terminates */
- if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_RP) {
- ERROR2("Unparasable symbol: Expected '}' at the end of struct definition, got '%s'. The definition was:\n%s",
- gras_ddt_parse_text,definition);
- gras_abort();
- }
+ if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_RA)
+ PARSE_ERROR1
+ ("Unparasable symbol: Expected '}' at the end of struct definition, got '%s'",
+ gras_ddt_parse_text);
gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
- gras_dynar_free(fields);
+ xbt_dynar_free(&identifiers);
+ xbt_dynar_free(&fields_to_push);
+ XBT_OUT;
return struct_type;
}
-static gras_datadesc_type_t * parse_typedef(char *definition) {
+static gras_datadesc_type_t parse_typedef(char *definition)
+{
- type_modifier_t tm;
+ s_type_modifier_t tm;
- gras_datadesc_type_t *struct_desc=NULL;
- gras_datadesc_type_t *typedef_desc=NULL;
+ gras_datadesc_type_t struct_desc = NULL;
+ gras_datadesc_type_t typedef_desc = NULL;
- memset(&tm,0,sizeof(tm));
+ XBT_IN;
+ memset(&tm, 0, sizeof(tm));
/* get the aliased type */
parse_type_modifier(&tm);
parse_type_modifier(&tm);
- if (tm.is_ref) {
- ERROR1("Cannot handle reference without annotation. Definition was:\n%s",
- definition);
- gras_abort();
- }
+ if (tm.is_ref)
+ PARSE_ERROR0
+ ("GRAS_DEFINE_TYPE cannot handle reference without annotation");
/* get the aliasing name */
- if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_WORD) {
- ERROR2("Unparsable typedef: Expected the alias name, and got '%s'.\n%s",
- gras_ddt_parse_text,definition);
- gras_abort();
- }
-
+ if (gras_ddt_parse_tok_num != GRAS_DDT_PARSE_TOKEN_WORD)
+ PARSE_ERROR1
+ ("Unparsable typedef: Expected the alias name, and got '%s'",
+ gras_ddt_parse_text);
+
/* (FIXME: should) build the alias */
- ERROR1("Cannot handle typedef yet. Definition was: \n%s",definition);
- gras_abort();
+ PARSE_ERROR0
+ ("Unimplemented feature: GRAS_DEFINE_TYPE cannot handle typedef yet");
- // identifier.type=gras_ddt_type_new_typedef(bag, NULL, strdup(gras_ddt_parse_text) );
-
+ XBT_OUT;
return typedef_desc;
}
/**
- * gras_datadesc_declare_parse:
+ * gras_datadesc_parse:
*
* Create a datadescription from the result of parsing the C type description
*/
-gras_datadesc_type_t *
-gras_datadesc_parse(const char *name,
- const char *C_statement) {
+gras_datadesc_type_t
+gras_datadesc_parse(const char *name, const char *C_statement)
+{
- gras_datadesc_type_t * res=NULL;
+ gras_datadesc_type_t res = NULL;
char *definition;
- int semicolon_count=0;
- int def_count,C_count;
+ int semicolon_count = 0;
+ int def_count, C_count;
+
+ XBT_IN;
/* reput the \n in place for debug */
- for (C_count=0; C_statement[C_count] != '\0'; C_count++)
+ for (C_count = 0; C_statement[C_count] != '\0'; C_count++)
if (C_statement[C_count] == ';' || C_statement[C_count] == '{')
semicolon_count++;
- definition = malloc(C_count + semicolon_count + 1);
- for (C_count=0,def_count=0; C_statement[C_count] != '\0'; C_count++) {
+ definition = (char *) xbt_malloc(C_count + semicolon_count + 1);
+ for (C_count = 0, def_count = 0; C_statement[C_count] != '\0'; C_count++) {
definition[def_count++] = C_statement[C_count];
if (C_statement[C_count] == ';' || C_statement[C_count] == '{') {
definition[def_count++] = '\n';
}
definition[def_count] = '\0';
- /* init */
- VERB2("_gras_ddt_type_parse(%s) -> %d chars",definition, def_count);
+ /* init */
+ VERB2("_gras_ddt_type_parse(%s) -> %d chars", definition, def_count);
gras_ddt_parse_pointer_string_init(definition);
- /* Do I have a typedef, or a raw struct ?*/
+ /* Do I have a typedef, or a raw struct ? */
gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
-
- if ((gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_WORD) && (!strcmp(gras_ddt_parse_text,"struct"))) {
+
+ if ((gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_WORD)
+ && (!strcmp(gras_ddt_parse_text, "struct"))) {
gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
res = parse_struct(definition);
-
- } else if ((gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_WORD) && (!strcmp(gras_ddt_parse_text,"typedef"))) {
+
+ } else if ((gras_ddt_parse_tok_num == GRAS_DDT_PARSE_TOKEN_WORD)
+ && (!strcmp(gras_ddt_parse_text, "typedef"))) {
gras_ddt_parse_tok_num = gras_ddt_parse_lex_n_dump();
res = parse_typedef(definition);
} else {
- ERROR1("Failed to parse the following symbol (not a struct neither a typedef) :\n%s",definition);
- gras_abort();
+ ERROR1
+ ("Failed to parse the following symbol (not a struct neither a typedef) :\n%s",
+ definition);
+ xbt_abort();
}
gras_ddt_parse_pointer_string_close();
VERB0("end of _gras_ddt_type_parse()");
free(definition);
/* register it under the name provided as symbol */
- if (strcmp(res->name,name)) {
- ERROR2("In GRAS_DEFINE_TYPE, the provided symbol (here %s) must be the C type name (here %s)",
- name,res->name);
- gras_abort();
- }
+ if (strcmp(res->name, name)) {
+ ERROR2
+ ("In GRAS_DEFINE_TYPE, the provided symbol (here %s) must be the C type name (here %s)",
+ name, res->name);
+ xbt_abort();
+ }
+ gras_ddt_parse_lex_destroy();
+ XBT_OUT;
return res;
}
+xbt_dict_t gras_dd_constants;
+/** \brief Declare a constant to the parsing mecanism. See the "\#define and fixed size array" section */
+void gras_datadesc_set_const(const char *name, int value)
+{
+ int *stored = xbt_new(int, 1);
+ *stored = value;
+ xbt_dict_set(gras_dd_constants, name, stored, xbt_free_f);
+}