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Commit c7dda3f6 authored by Michael Beck's avatar Michael Beck
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More doxygen documentation added. 

[r1032]
parent bd59bd39
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ir/tr/entity.h
View file @ c7dda3f6
......@@ -9,7 +9,7 @@
*
* Entities represent all program known objects.
*
* @author Martin Trapp, Christian Schaefer,
* @author Martin Trapp, Christian Schaefer
* @author Goetz Lindenmaier
*
* An entity is the representation of program known objects in Firm.
......@@ -31,21 +31,21 @@
*
* In detail the datastructure entity has the following fields:
*
* ident *name Name of this entity as specified in the source code.
* Only unequivocal in conjuction with scope.
* ident *ld_name Unique name of this entity, i.e., the mangled
* name. E.g., for a class `A' with field `a' this
* is the ident for `A_a'.
* type *type The type of this entity, e.g., a method type, a
* basic type of the language or a class itself.
* type *owner; The class this entity belongs to. In case of local
* variables the method they are defined in.
* int offset; Offset in byte for this entity. Fixed when layout
* of owner is determined.
* ir_graph *irg; If (type == method_type) this is the corresponding irg.
* The ir_graph constructor automatically sets this field.
* If (type != method_type) access of this field will cause
* an assertion.
* - ident *name: Name of this entity as specified in the source code.
* Only unequivocal in conjuction with scope.
* - ident *ld_name: Unique name of this entity, i.e., the mangled
* name. E.g., for a class `A' with field `a' this
* is the ident for `A_a'.
* - type *type: The type of this entity, e.g., a method type, a
* basic type of the language or a class itself.
* - type *owner: The class this entity belongs to. In case of local
* variables the method they are defined in.
* - int offset: Offset in byte for this entity. Fixed when layout
* of owner is determined.
* - ir_graph *irg: If (type == method_type) this is the corresponding irg.
* The ir_graph constructor automatically sets this field.
* If (type != method_type) access of this field will cause
* an assertion.
*/
/* $Id$ */
......@@ -57,16 +57,16 @@
# include "type.h"
# include "dbginfo.h"
/*******************************************************************/
/** general **/
/*******************************************************************/
/*-----------------------------------------------------------------*/
/* general */
/*-----------------------------------------------------------------*/
/** initalize entity module */
/** Initalize entity module. */
void init_entity (void);
/*******************************************************************/
/** ENTITY **/
/*******************************************************************/
/*-----------------------------------------------------------------*/
/* ENTITY */
/*-----------------------------------------------------------------*/
/* to resolve recursion between entity.h and irgraph.h */
#ifndef _IR_GRAPH_TYPEDEF_
......@@ -120,31 +120,58 @@ typedef struct ir_graph ir_graph;
typedef struct entity entity;
#endif
/** Creates a new entity.
Automatically inserts the entity as a member of owner.
Entity is automatic_allocated and uninitialize except if the type
is type_method, then it is static_allocated and constant. The constant
value is a pointer to the method.
Visibility is local, offset -1, and it is not volatile. */
/**
* Creates a new entity.
*
* Automatically inserts the entity as a member of owner.
* Entity is automatic_allocated and uninitialize except if the type
* is type_method, then it is static_allocated and constant. The constant
* value is a pointer to the method.
* Visibility is local, offset -1, and it is not volatile.
*/
entity *new_entity (type *owner, ident *name, type *tp);
/**
* Creates a new entity.
*
* Automatically inserts the entity as a member of owner.
* Entity is automatic_allocated and uninitialize except if the type
* is type_method, then it is static_allocated and constant. The constant
* value is a pointer to the method.
* Visibility is local, offset -1, and it is not volatile.
*/
entity *new_d_entity (type *owner, ident *name, type *tp, dbg_info *db);
/** Copies the entity if the new_owner is different from the
owner of the old entity. Else returns the old entity.
Automatically inserts the new entity as a member of owner.
Resets the overwrites/overwritten_by fields. */
/**
* Copies the entity if the new_owner is different from the
* owner of the old entity, else returns the old entity.
*
* Automatically inserts the new entity as a member of owner.
* Resets the overwrites/overwritten_by fields.
*/
entity *copy_entity_own (entity *old, type *new_owner);
/** Copies the entity if the new_name is different from the
name of the old entity. Else returns the old entity.
Automatically inserts the new entity as a member of owner.
The mangled name ld_name is set to NULL. */
/**
* Copies the entity if the new_name is different from the
* name of the old entity, else returns the old entity.
*
* Automatically inserts the new entity as a member of owner.
* The mangled name ld_name is set to NULL.
*/
entity *copy_entity_name (entity *old, ident *new_name);
/** Frees the entity. The owner will still contain the pointer to this
entity, as well as all other references! */
/**
* Frees the entity.
*
* The owner will still contain the pointer to this
* entity, as well as all other references!
*/
void free_entity (entity *ent);
/** manipulate fields of entity **/
/** Returns the name of an entity. */
const char *get_entity_name (entity *ent);
/** Returns the ident of an entity. */
ident *get_entity_ident (entity *ent);
/** Returns the mangled name of the entity.
......@@ -171,9 +198,13 @@ void set_entity_owner (entity *ent, type *owner);
/** Asserts if the type owner is neither a compound type or an array */
INLINE void assert_legal_owner_of_ent(type *owner);
/** Returns the type of an entity. */
type *get_entity_type (entity *ent);
/** Sets the type of an entity. */
void set_entity_type (entity *ent, type *tp);
/** The allocation type. */
typedef enum {
automatic_allocated, /**< The entity is allocated during runtime, implicitly
as component of a compound type. This is the default. */
......@@ -187,11 +218,16 @@ typedef enum {
SymConst(?) as address of the entity. */
} ent_allocation;
/** Returns the allocation type of an entity. */
ent_allocation get_entity_allocation (entity *ent);
/** Sets the allocation type of an entity. */
void set_entity_allocation (entity *ent, ent_allocation al);
/* This enumeration flags the visibility of entities. This is necessary
for partial compilation. */
/**
* This enumeration flags the visibility of entities. This is necessary
* for partial compilation.
*/
typedef enum {
local, /**< The entity is only visible locally. This is the default. */
external_visible, /**< The entity is visible to other external program parts, but
......@@ -203,7 +239,10 @@ typedef enum {
method. */
} ent_visibility;
/** Returns the visibility of an entity. */
ent_visibility get_entity_visibility (entity *ent);
/** Sets the visibility of an entity. */
void set_entity_visibility (entity *ent, ent_visibility vis);
/** This enumeration flags the variability of entities. */
......@@ -217,7 +256,10 @@ typedef enum {
constant /**< The entity is constant. */
} ent_variability;
/** Returns the variability of an entity. */
ent_variability get_entity_variability (entity *ent);
/** Sets the variability of an entity. */
void set_entity_variability (entity *ent, ent_variability var);
/** This enumeration flags the volatility of entities. */
......@@ -226,18 +268,25 @@ typedef enum {
is_volatile /**< The entity is volatile */
} ent_volatility;
/** Returns the volatility of an entity. */
ent_volatility get_entity_volatility (entity *ent);
/** Sets the volatility of an entity. */
void set_entity_volatility (entity *ent, ent_volatility vol);
/* Only set if layout = fixed. */
/** Returns the offset of an entity (in a compound). Only set if layout = fixed. */
int get_entity_offset (entity *ent);
/** Sets the offset of an entity (in a compound). */
void set_entity_offset (entity *ent, int offset);
/* A link to store intermediate information */
/** Returns the stored intermediate information. */
void* get_entity_link(entity *ent);
/** Stores new intermediate information. */
void set_entity_link(entity *ent, void *l);
/** Fields of method entities **/
/* -- Fields of method entities -- */
/* The entity knows the corresponding irg if the entity is a method.
This allows to get from a Call to the called irg.
Only entities of peculiarity "existent" can have a corresponding irg,
......@@ -249,7 +298,7 @@ void set_entity_irg(entity *ent, ir_graph *irg);
peculiarity get_entity_peculiarity (entity *ent);
void set_entity_peculiarity (entity *ent, peculiarity pec);
/** Representation of constant values of entites **/
/* -- Representation of constant values of entites -- */
/* Set current_ir_graph to get_const_code_irg() to generate a constant
expression. */
/* Copies a firm subgraph that complies to the restrictions for
......@@ -268,6 +317,7 @@ ir_node *get_compound_ent_value(entity *ent, int pos);
entity *get_compound_ent_value_member(entity *ent, int pos);
void set_compound_ent_value(entity *ent, ir_node *val, entity *member, int pos);
void remove_compound_ent_value(entity *ent, entity *value_ent);
/** Inits the entity ent witch must be of a one dimensional
array type with the values given in the values array.
The array must have a lower and an upper bound. Keeps the
......@@ -329,7 +379,10 @@ bool equal_entity(entity *ent1, entity *ent2);
debugging, (configure with --enable-debug) else returns 0. */
INLINE long get_entity_nr(entity *ent);
/** Returns the entitys visited count. */
unsigned long get_entity_visited(entity *ent);
/** Sets the entitys visited count. */
void set_entity_visited(entity *ent, unsigned long num);
/** Sets visited field in entity to entity_visited. */
......@@ -342,6 +395,4 @@ bool entity_visited(entity *ent);
bool entity_not_visited(entity *ent);
# endif /* _ENTITY_H_ */
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