X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=types%2Fstruct.c;h=1e1b458a91f531445fad1409c4c6a089d75972ab;hp=d3e9f3c484cd11e88aeed88daeb4003a03623c5b;hb=c054553dac076f91196b372fa19efaf2adc4e4f9;hpb=8a4035bcbfe691490b031f08533676597f72a4ac diff --git a/types/struct.c b/types/struct.c index d3e9f3c4..1e1b458a 100644 --- a/types/struct.c +++ b/types/struct.c @@ -3,7 +3,7 @@ * * BabelTrace - Structure Type Converter * - * Copyright 2010 - Mathieu Desnoyers + * Copyright 2010, 2011 - Mathieu Desnoyers * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -23,52 +23,56 @@ #define max(a, b) ((a) < (b) ? (b) : (a)) #endif +static +struct type *_struct_type_new(struct type_class *type_class, + struct declaration_scope *parent_scope); +static +void _struct_type_free(struct type *type); + void struct_copy(struct stream_pos *dest, const struct format *fdest, struct stream_pos *src, const struct format *fsrc, - const struct type_class *type_class) + struct type *type) { - struct type_class_struct *struct_class = - container_of(type_class, struct type_class_struct, p); - unsigned int i; + struct type_struct *_struct = container_of(type, struct type_struct, p); + struct type_class_struct *struct_class = _struct->_class; + unsigned long i; fsrc->struct_begin(src, struct_class); fdest->struct_begin(dest, struct_class); - for (i = 0; i < struct_class->fields->len; i++) { - struct field *field = &g_array_index(struct_class->fields, + for (i = 0; i < _struct->fields->len; i++) { + struct field *field = &g_array_index(_struct->fields, struct field, i); - struct type_class *field_class = field->type_class; + struct type_class *field_class = field->type->p._class; - field_class->copy(dest, fdest, src, fsrc, field_class); + field_class->copy(dest, fdest, src, fsrc, &field->type->p); } fsrc->struct_end(src, struct_class); fdest->struct_end(dest, struct_class); } -void struct_type_free(struct type_class_struct *struct_class) +static +void _struct_type_class_free(struct type_class *type_class) { - unsigned int i; + struct type_class_struct *struct_class = + container_of(type_class, struct type_class_struct, p); + unsigned long i; g_hash_table_destroy(struct_class->fields_by_name); for (i = 0; i < struct_class->fields->len; i++) { - struct field *field = &g_array_index(struct_class->fields, - struct field, i); - type_unref(field->type_class); + struct field *type_class_field = + &g_array_index(struct_class->fields, + struct type_class_field, i); + type_class_unref(field->type_class); } g_array_free(struct_class->fields, true); g_free(struct_class); } -static void _struct_type_free(struct type_class *type_class) -{ - struct type_class_struct *struct_class = - container_of(type_class, struct type_class_struct, p); - struct_type_free(struct_class); -} - -struct type_class_struct *struct_type_new(const char *name) +struct type_class_struct * +struct_type_class_new(const char *name) { struct type_class_struct *struct_class; struct type_class *type_class; @@ -76,16 +80,17 @@ struct type_class_struct *struct_type_new(const char *name) struct_class = g_new(struct type_class_struct, 1); type_class = &struct_class->p; - struct_class->fields_by_name = g_hash_table_new(g_direct_hash, g_direct_equal); - struct_class->fields = g_array_sized_new(false, false, - sizeof(struct field), + struct_class->fields = g_array_sized_new(FALSE, TRUE, + sizeof(struct type_class_field), DEFAULT_NR_STRUCT_FIELDS); type_class->name = g_quark_from_string(name); type_class->alignment = 1; type_class->copy = struct_copy; - type_class->free = _struct_type_free; + type_class->class_free = _struct_type_class_free; + type_class->type_new = _struct_type_new; + type_class->type_free = _struct_type_free; type_class->ref = 1; if (type_class->name) { @@ -96,20 +101,57 @@ struct type_class_struct *struct_type_new(const char *name) return struct_class; error_register: + g_hash_table_destroy(struct_class->fields_by_name); + g_array_free(struct_class->fields, true); g_free(struct_class); return NULL; } -void struct_type_add_field(struct type_class_struct *struct_class, - const char *field_name, - struct type_class *type_class) +static +struct type_struct *_struct_type_new(struct type_class *type_class, + struct declaration_scope *parent_scope) { - struct field *field; + struct type_class_struct *_struct_class = + container_of(type_class, struct type_class_struct, p); + struct type_struct *_struct; + + _struct = g_new(struct type_struct, 1); + type_class_ref(&_struct_class->p); + _struct->p._class = _struct_class; + _struct->p.ref = 1; + _struct->scope = new_declaration_scope(parent_scope); + _struct->fields = g_array_sized_new(FALSE, TRUE, + sizeof(struct field), + DEFAULT_NR_STRUCT_FIELDS); + return &_struct->p; +} + +static +void _struct_type_free(struct type *type) +{ + struct type_struct *_struct = container_of(type, struct type_struct, p); + unsigned long i; + + for (i = 0; i < _struct->fields->len; i++) { + struct field *field = &g_array_index(_struct->fields, + struct field, i); + type_unref(field->type); + } + free_declaration_scope(_struct->scope); + type_class_unref(_struct->p._class); + g_free(_struct); +} + +void struct_type_class_add_field(struct type_class_struct *struct_class, + const char *field_name, + struct type_class *type_class) +{ + struct type_class_field *field; unsigned long index; g_array_set_size(struct_class->fields, struct_class->fields->len + 1); index = struct_class->fields->len - 1; /* last field (new) */ - field = &g_array_index(struct_class->fields, struct field, index); + field = &g_array_index(struct_class->fields, struct type_class_field, index); field->name = g_quark_from_string(field_name); type_ref(type_class); field->type_class = type_class; @@ -126,8 +168,8 @@ void struct_type_add_field(struct type_class_struct *struct_class, } unsigned long -struct_type_lookup_field_index(struct type_class_struct *struct_class, - GQuark field_name) +struct_type_class_lookup_field_index(struct type_class_struct *struct_class, + GQuark field_name) { unsigned long index; @@ -136,12 +178,22 @@ struct_type_lookup_field_index(struct type_class_struct *struct_class, return index; } +/* + * field returned only valid as long as the field structure is not appended to. + */ +struct type_class_field * +struct_type_class_get_field_from_index(struct type_class_struct *struct_class, + unsigned long index) +{ + return &g_array_index(struct_class->fields, struct type_class_field, index); +} + /* * field returned only valid as long as the field structure is not appended to. */ struct field * -struct_type_get_field_from_index(struct type_class_struct *struct_class, +struct_type_get_field_from_index(struct type_struct *struct_type, unsigned long index) { - return &g_array_index(struct_class->fields, struct field, index); + return &g_array_index(struct_type->fields, struct field, index); }