X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=types%2Finteger.c;h=808a4893680d3dc302a62d93f9b400299da9cffd;hp=1e926f7b4041e4c4f19c0e745a010d0e62eb6e41;hb=8673030f3cb8d157a30e79af524fd5cca253025e;hpb=be85c1c7633af07e35db7b415d6ee8447c30e80a diff --git a/types/integer.c b/types/integer.c index 1e926f7b..808a4893 100644 --- a/types/integer.c +++ b/types/integer.c @@ -3,7 +3,9 @@ * * BabelTrace - Integer Type Converter * - * Copyright 2010 - Mathieu Desnoyers + * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation + * + * Author: 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 @@ -19,63 +21,162 @@ #include #include #include +#include #include -void integer_copy(struct stream_pos *dest, const struct format *fdest, - struct stream_pos *src, const struct format *fsrc, - const struct type_class *type_class) +static +struct definition *_integer_definition_new(struct declaration *declaration, + struct definition_scope *parent_scope, + GQuark field_name, int index, + const char *root_name); +static +void _integer_definition_free(struct definition *definition); + +static +void _integer_declaration_free(struct declaration *declaration) { - struct type_class_integer *int_class = - container_of(type_class, struct type_class_integer, p); + struct declaration_integer *integer_declaration = + container_of(declaration, struct declaration_integer, p); + g_free(integer_declaration); +} - if (!int_class->signedness) { - uint64_t v; +struct declaration_integer * + integer_declaration_new(size_t len, int byte_order, + int signedness, size_t alignment, int base, + enum ctf_string_encoding encoding, + struct ctf_clock *clock) +{ + struct declaration_integer *integer_declaration; - v = fsrc->uint_read(src, int_class); - fdest->uint_write(dest, int_class, v); - } else { - int64_t v; + integer_declaration = g_new(struct declaration_integer, 1); + integer_declaration->p.id = CTF_TYPE_INTEGER; + integer_declaration->p.alignment = alignment; + integer_declaration->p.declaration_free = _integer_declaration_free; + integer_declaration->p.definition_free = _integer_definition_free; + integer_declaration->p.definition_new = _integer_definition_new; + integer_declaration->p.ref = 1; + integer_declaration->len = len; + integer_declaration->byte_order = byte_order; + integer_declaration->signedness = signedness; + integer_declaration->base = base; + integer_declaration->encoding = encoding; + integer_declaration->clock = clock; + return integer_declaration; +} - v = fsrc->int_read(src, int_class); - fdest->int_write(dest, int_class, v); - } +static +struct definition * + _integer_definition_new(struct declaration *declaration, + struct definition_scope *parent_scope, + GQuark field_name, int index, + const char *root_name) +{ + struct declaration_integer *integer_declaration = + container_of(declaration, struct declaration_integer, p); + struct definition_integer *integer; + int ret; + + integer = g_new(struct definition_integer, 1); + declaration_ref(&integer_declaration->p); + integer->p.declaration = declaration; + integer->declaration = integer_declaration; + integer->p.ref = 1; + /* + * Use INT_MAX order to ensure that all fields of the parent + * scope are seen as being prior to this scope. + */ + integer->p.index = root_name ? INT_MAX : index; + integer->p.name = field_name; + integer->p.path = new_definition_path(parent_scope, field_name, + root_name); + integer->p.scope = NULL; + integer->value._unsigned = 0; + ret = register_field_definition(field_name, &integer->p, + parent_scope); + assert(!ret); + return &integer->p; } -void integer_type_free(struct type_class_integer *int_class) +static +void _integer_definition_free(struct definition *definition) { - g_free(int_class); + struct definition_integer *integer = + container_of(definition, struct definition_integer, p); + + declaration_unref(integer->p.declaration); + g_free(integer); } -static void _integer_type_free(struct type_class *type_class) +enum ctf_string_encoding get_int_encoding(const struct definition *field) { - struct type_class_integer *int_class = - container_of(type_class, struct type_class_integer, p); - integer_type_free(int_class); + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; + + return integer_declaration->encoding; } -struct type_class_integer *integer_type_new(const char *name, - size_t len, int byte_order, - int signedness, - size_t alignment) +int get_int_base(const struct definition *field) { - struct type_class_integer *int_class; - int ret; + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; + + return integer_declaration->base; +} + +int get_int_byte_order(const struct definition *field) +{ + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; + + return integer_declaration->byte_order; +} + +int get_int_signedness(const struct definition *field) +{ + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; + + return integer_declaration->signedness; +} + +uint64_t get_unsigned_int(const struct definition *field) +{ + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; + + if (!integer_declaration->signedness) { + return integer_definition->value._unsigned; + } + fprintf(stderr, "[warning] Extracting unsigned value in a signed int\n"); + return (uint64_t)integer_definition->value._signed; +} + +int64_t get_signed_int(const struct definition *field) +{ + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; - int_class = g_new(struct type_class_integer, 1); - int_class->p.name = g_quark_from_string(name); - int_class->p.alignment = alignment; - int_class->p.copy = integer_copy; - int_class->p.free = _integer_type_free; - int_class->p.ref = 1; - int_class->len = len; - int_class->byte_order = byte_order; - int_class->signedness = signedness; - if (int_class->p.name) { - ret = register_type(&int_class->p); - if (ret) { - g_free(int_class); - return NULL; - } + if (integer_declaration->signedness) { + return integer_definition->value._signed; } - return int_class; + fprintf(stderr, "[warning] Extracting signed value in an unsigned int\n"); + return (int64_t)integer_definition->value._unsigned; }