+/*!@file
+ \brief IR Memory Implementation
+ \details Intermediary memory management
+ \author Jordan Lavatai
+ \date Aug 2016
+ ----------------------------------------------------------------------------*/
#include <errno.h>
#include <stdio.h>
#include <stdint.h> //uint64_t
#include <string.h> //memmove
#include <stdlib.h> //malloc
-#include "ir.h"
+#include <apc/ir.h>
-#define CURR_CDAT (*cdat_stackp)
-#define CURR_SET set_list[CURR_CDAT->num_sets]
-#define CURR_ELE ele_list[CURR_CDAT->CURR_SET.num_ele]
-#define PREV_REF (ref_buf[num_refs-1])
-#define CURR_REF (ref_buf[num_refs])
-#define PREV_ODAT (odat_buf[num_odats-1])
-#define CURR_ODAT (odat_buf[num_odats])
-#define CURR_VDAT (vdat_buf[num_vdats])
-#define PREV_VDAT (vdat_buf[num_vdats-1])
-#define CURR_MODEL model_list[CURR_VDAT->num_models]
-#define CURR_LINK (link_buf[num_links])
+/* functions needed from irmem.c */
+extern
void
-ir_init()
-{
- /* Init root cdat and stack */
- char root[4] = "root";
+ir_init(void);
- cdat_buf[num_cdats] = (struct cdat*) malloc(sizeof(struct cdat) );
- cdat_buf[num_cdats]->idx = 0;
- memmove(cdat_buf[num_cdats]->name, root, 4);
+extern
+struct cdat*
+alloc_cdat(void);
- cdat_stackp = cdat_stack;
- *cdat_stackp = cdat_buf[num_cdats++];
+extern
+struct odat*
+alloc_odat(void);
- /* Init first odat */
- if( (CURR_ODAT = (struct odat*) malloc(sizeof(struct odat))) == NULL)
- perror("malloc first odat failed");
+extern
+void
+alloc_vdat(void);
- /* init first vdat*/
- if( (CURR_VDAT = (struct vdat*) malloc(sizeof(struct vdat))) == NULL)
- perror("malloc first vdat failed");
+extern
+struct link*
+alloc_link(void);
- /* Init first ref */
- if( (CURR_REF = (struct ref*) malloc(sizeof(struct ref))) == NULL)
- perror("malloc first ref failed");
+extern
+struct ref*
+alloc_ref(void);
- /* Init first link */
- if( (CURR_LINK = (struct link*) malloc(sizeof(struct link))) == NULL)
- perror("malloc first link failed");
-}
+extern
+struct cdat*
+curr_cdat(void);
-//TODO: FREE MEMORY!
-void
-malloc_cdat()
-{
+extern
+struct odat*
+curr_odat(void);
- if(curr_max_cdats <= num_cdats)
- {
- if( (realloc((void*) cdat_buf, PTRS_IN_PAGE * 4)) == NULL)
- perror("realloc cdat_buf failed");
- curr_max_cdats += PTRS_IN_PAGE;
- if( (realloc( (void*) cdat_stack, PTRS_IN_PAGE * 4)) == NULL) //increase cdat_stack also
- perror("realloc cdat_stack failed");
- }
- if( (cdat_buf[num_cdats] = (struct cdat*) malloc(sizeof (struct cdat)) ) == NULL )
- perror("malloc cdat failed");
+extern
+struct vdat*
+curr_vdat(void);
+extern
+struct ele*
+curr_ele(void);
-}
+extern
+struct set*
+curr_set(void);
+
+extern
+struct ref*
+prev_ref(void);
+
+extern
+struct quad*
+curr_quad(void);
+
+extern
+struct model*
+curr_model(void);
+/* struct definitions needed from irmem.c */
+extern int num_cdats;
+extern struct cdat** cdat_stackp;
+extern struct odat* curr_set_odatp;
+extern uint64_t ss_ref_id;
+
+extern int num_vdats;
/* Dynamically allocate memory for a class data structure,
or cdat, after a class has been identified in a grammar.
We also create a stack of class pointers so that
the cdat based on the previous index into cdat_buf,
which is a list of all allocated cdats*/
void
-push_cdat(char* name)
+push_cdat
+( char* name
+)
{
+ struct cdat* curr_cdatp;
- malloc_cdat();
-
- memmove(cdat_buf[num_cdats]->name, name, 32);
- cdat_buf[num_cdats]->idx = num_cdats;
+ curr_cdatp = alloc_cdat();
- /* Set the cdat as a class of the previous cdat */
- (*cdat_stackp)->class_list[(*cdat_stackp)->num_classes++] = cdat_buf[num_cdats];
+ memmove(curr_cdatp->name, name, 32);
+ curr_cdatp->idx = num_cdats;
+ /* Set the cdat as a subclass of the previous cdat */
+ (*cdat_stackp)->class_list[(*cdat_stackp)->num_classes] = curr_cdatp;
/* Push the cdat onto the cdat_stack */
- *++cdat_stackp = cdat_buf[num_cdats++];
+ *++cdat_stackp = curr_cdatp;
}
void
-pop_cdat()
+pop_cdat
+()
{
*cdat_stackp = NULL;
cdat_stackp--;
}
-void
-inc_odat()
-{
- num_odats++;
- if(num_odats >= curr_max_odats)
- {
- if( (realloc((void*) odat_buf, PTRS_IN_PAGE * 4)) == NULL)
- perror("realloc odat_buf failed");
- curr_max_odats += PTRS_IN_PAGE;
- }
- if( (CURR_ODAT = (struct odat*) malloc(sizeof (struct odat))) == NULL)
- {
- perror("malloc odat failed");
- }
-
-}
+/* Called in the reduction of a set. While both odats (eles and sets)
+ have identical label terminals, we are unable to give a single grammatical rule
+ for both due to how we allocate odats in the odat buf. Due to the
+ nature of bottom up parsing, the set label is recognized first, and then the
+ sets elements are recognized. This means that after we have processed the sets elemenets,
+ the curr_odat is going to be the last element and NOT the set that was first allocated.
+ To get around this, we create a global variable set_odatp that will store the pointer
+ to the odat when it is first allocated (in insert_set_label()) so that insert_set() can
+ have access to it. */
void
-inc_vdat()
+insert_set_label
+( char* name,
+ uint64_t ref_id
+)
{
- num_vdats++;
- if(num_vdats >= curr_max_vdats)
- {
- if( (realloc((void*) vdat_buf, PTRS_IN_PAGE * 4)) == NULL)
- perror("realloc vdat_buf failed");
- curr_max_vdats += PTRS_IN_PAGE;
- }
- if((CURR_VDAT = (struct vdat*) malloc(sizeof (struct vdat))) == NULL)
- {
- perror("malloc vdat failed");
- }
+ struct set* curr_setp;
-}
-
-void
-inc_link()
-{
- num_links++;
- if(num_links >= curr_max_links)
- {
- if( (realloc((void*) link_buf, PTRS_IN_PAGE * 4)) == NULL)
- perror("realloc vdat_buf failed");
- curr_max_links += PTRS_IN_PAGE;
- }
- if((CURR_LINK = (struct link*) malloc(sizeof (struct link))) == NULL)
- {
- perror("malloc link failed");
- }
-}
+ curr_setp = curr_set();
+ curr_set_odatp = alloc_odat();
-void
-inc_ref()
-{
+ memmove(curr_set_odatp->name, name, 32);
+ memmove(curr_setp->name, name, 32);
+ curr_setp->ref_id = ref_id;
- if(num_refs % 16 == 0)
- {
- posts[num_posts++] = *CURR_REF;
- }
-
- num_refs++;
- if(num_refs >= curr_max_refs)
- {
- if( (realloc((void*) ref_buf, PTRS_IN_PAGE * 4)) == NULL)
- perror("realloc ref_buf failed");
- curr_max_refs += PTRS_IN_PAGE;
- }
- if((CURR_REF = (struct ref*) malloc(sizeof (struct ref))) == NULL)
- perror("malloc ref failed");
}
-
void
-insert_set_label(char* name, uint64_t ref_id)
+insert_set_olink
+( uint64_t ref_id
+)
{
+ struct set* curr_setp;
+ struct cdat* curr_cdatp;
+ struct link* curr_linkp;
+ curr_setp = curr_set();
+ curr_cdatp = curr_cdat();
+ curr_linkp = alloc_link();
- memmove(CURR_CDAT->CURR_SET.name,name,32);
- memmove(&CURR_CDAT->CURR_SET.ref_id,&ref_id,64);
-
-}
-void
-insert_set_olink(uint64_t ref_id)
-{
- CURR_CDAT->CURR_SET.cdat_idx = CURR_CDAT->idx;
- CURR_CDAT->CURR_SET.ref_id = ref_id; /* Will be resolved to offset
+ curr_setp->cdat_idx = curr_cdatp->idx;
+ curr_setp->ref_id = ref_id; /* Will be resolved to offset
when link is processed */
- CURR_LINK->type = 1;
- CURR_LINK->link_t.olink.ref_id = ref_id;
- CURR_LINK->cdat_idx = CURR_CDAT->idx;
- CURR_LINK->set_idx = CURR_CDAT->num_sets++;
- CURR_LINK->ele_idx = -1;
+ curr_linkp->type = 1;
+ curr_linkp->link_t.olink.ref_id = ref_id;
+ curr_linkp->cdat_idx = curr_cdatp->idx;
+ curr_linkp->set_idx = curr_cdatp->num_sets++;
+ curr_linkp->ele_idx = -1;
- inc_link();
}
void
-insert_set_vlink(uint64_t ref_id, char* anim_name)
+insert_set_vlink
+( uint64_t ref_id,
+ char* anim_name
+)
{
+ struct cdat* curr_cdatp;
+ struct link* curr_linkp;
+
+ curr_cdatp = curr_cdat();
+ curr_linkp = alloc_link();
+
/* Insert vlink into link_stack so that it gets processed at
output time */
- CURR_LINK->cdat_idx = CURR_CDAT->idx;
- CURR_LINK->set_idx = CURR_CDAT->num_sets;
- CURR_LINK->type = 2;
- CURR_LINK->link_t.vlink.ref_id = ref_id;
- memmove(CURR_LINK->link_t.vlink.anim_name, anim_name, 32);
-
+ curr_linkp->type = 2;
+ curr_linkp->link_t.vlink.ref_id = ref_id;
+ curr_linkp->cdat_idx = curr_cdatp->idx;
+ curr_linkp->set_idx = curr_cdatp->num_sets;
+ curr_linkp->ele_idx = -1;
+ memmove(curr_linkp->link_t.vlink.anim_name, anim_name, 32);
}
+/* Svlinks dont have animation names */
void
-insert_set_svlink(uint64_t ref_id)
+insert_set_svlink
+( uint64_t ref_id
+)
{
+ struct cdat* curr_cdatp;
+ struct link* curr_linkp;
- /* Insert vlink into link_stack so that it gets processed at
+ curr_cdatp = curr_cdat();
+ curr_linkp = alloc_link();
+
+ /* Insert svlink into link_stack so that it gets processed at
output time */
- CURR_LINK->cdat_idx = CURR_CDAT->idx;
- CURR_LINK->set_idx = CURR_CDAT->num_sets;
- CURR_LINK->type = 3;
- CURR_LINK->link_t.svlink.ref_id = ref_id;
+ curr_linkp->type = 3;
+ curr_linkp->cdat_idx = curr_cdatp->idx;
+ curr_linkp->set_idx = curr_cdatp->num_sets;
+ curr_linkp->ele_idx = -1;
+ curr_linkp->link_t.svlink.ref_id = ref_id;
}
during the reduction of its right hand side
non terminals (hitbox, root, quad_list). */
void
-insert_set()
-{
- uint64_t ref_id;
+insert_set
+()
+{ uint64_t ref_id;
+ struct odat* curr_odatp;
+ struct cdat* curr_cdatp;
+ struct set* curr_setp;
+ struct ref* prev_refp;
+ struct ref* curr_refp;
- ref_id = CURR_CDAT->CURR_SET.ref_id;
+ curr_odatp = curr_set_odatp; //allocated at insert_set_label, preserved in global space
+ curr_cdatp = curr_cdat();
+ curr_setp = curr_set();
+ prev_refp = prev_ref();
+ curr_refp = alloc_ref();
- CURR_CDAT->CURR_SET.cdat_idx = CURR_CDAT->idx;
- memmove(CURR_ODAT->name, CURR_CDAT->CURR_SET.name, 32);
- CURR_CDAT->num_sets++;
- CURR_ODAT->cdat_idx = CURR_CDAT->idx;
- CURR_ODAT->refp = CURR_REF;
+ curr_setp->cdat_idx = curr_cdatp->idx; //does a set need its class idx?
+ memmove(curr_setp->name, curr_odatp->name, 32);
+ curr_cdatp->num_sets++;
+ curr_odatp->cdat_idx = curr_cdatp->idx;
+ curr_odatp->refp = curr_refp;
- CURR_REF->lastref = PREV_REF;
- PREV_REF->nextref = CURR_REF;
- CURR_REF->odatp = CURR_ODAT;
+ ref_id = curr_setp->ref_id; // ref_id set by insert_set_label(name, ref_id)
-
- if(ref_id == -1) /* user did not define a ref_id so */
- { /* use a ref_id from system_space */
- ref_id = ss_ref_id;
+ if(ref_id == -1) /* user did not define a ref_id */
+ { ref_id = ss_ref_id;
ss_ref_id++;
}
- CURR_REF->ref_id = ref_id;
+ curr_refp->ref_id = ref_id;
+ curr_refp->lastref = prev_refp;
+ curr_refp->odatp = curr_odatp;
+ prev_refp->nextref = curr_refp;
- inc_ref();
- inc_odat();
}
-
+/* Created as a seperate function, instead of setting the ODATS vdat_id and
+ calling inc_vdat() inside of insert_set(), to account for the set reduction
+ where a vdat is not created (o/v/svlinks). */
void
-insert_vdat()
+insert_set_vdatid
+()
{
- PREV_ODAT->vdat_id = num_vdats; //NULL for vlink, svlink
- inc_vdat();
+ curr_set_odatp->vdat_id = num_vdats; //no vdat_id for odats that have vlinks/svlinks
+ curr_set_odatp = NULL; //So this sets odat cant be modified after (which would be a bug)
}
/* Populates both the odat name and ref_id
- for element. */
+ for odat and ele */
void
-insert_ele_label(char* name, uint64_t ref_id)
+insert_ele_label
+( char* name,
+ uint64_t ref_id
+)
{
- memmove(CURR_CDAT->CURR_SET.CURR_ELE.name, name, 32);
- memmove(&CURR_CDAT->CURR_SET.ele_list[CURR_CDAT->CURR_SET.ref_id].ref_id, &ref_id, 64);
+ struct ele* curr_elep;
+ struct odat* curr_odatp;
+
+ curr_elep = curr_ele();
+ curr_odatp = alloc_odat();
+
+ memmove(curr_odatp->name, name, 32);
+
+ memmove(curr_elep->name, name, 32);
+ curr_elep->ref_id = ref_id;
}
+/* We don't make an odat here, at output time we will resolve
+ the ref_id to the corresponding odat. */
void
-insert_ele_olink(uint64_t ref_id)
+insert_ele_olink
+( uint64_t ref_id
+)
{
- CURR_CDAT->CURR_SET.CURR_ELE.cdat_idx = CURR_CDAT->idx;
- CURR_CDAT->CURR_SET.CURR_ELE.ref_id = ref_id; /* Will be resolved to offset
- when link is processed */
- CURR_LINK->type = 1;
- CURR_LINK->link_t.olink.ref_id = ref_id;
- CURR_LINK->cdat_idx = CURR_CDAT->idx;
- CURR_LINK->set_idx = CURR_CDAT->num_sets++;
- CURR_LINK->ele_idx = CURR_CDAT->CURR_SET.num_ele++;
+ struct cdat* curr_cdatp;
+ struct set* curr_setp;
+ struct ele* curr_elep;
+ struct link* curr_linkp;
+
+ curr_cdatp = curr_cdat();
+ curr_elep = curr_ele();
+ curr_linkp = alloc_link();
+
+ curr_elep->cdat_idx = curr_cdatp->idx;
+ curr_elep->ref_id = ref_id;
+
+ curr_linkp->type = 1;
+ curr_linkp->link_t.olink.ref_id = ref_id;
+ curr_linkp->cdat_idx = curr_cdatp->idx;
+ curr_linkp->set_idx = curr_cdatp->num_sets++;
+ curr_linkp->ele_idx = curr_setp->num_ele++;
}
+
void
-insert_ele_vlink(uint64_t ref_id, char* anim_name)
+insert_ele_vlink
+( uint64_t ref_id,
+ char* anim_name
+)
{
+ struct cdat* curr_cdatp;
+ struct set* curr_setp;
+ struct link* curr_linkp;
+
+ curr_cdatp = curr_cdat();
+ curr_setp = curr_set();
+ curr_linkp = alloc_link();
/* Insert vlink into link_stack so that it gets processed at
output time */
- CURR_LINK->cdat_idx = CURR_CDAT->idx;
- CURR_LINK->type = 2;
- CURR_LINK->set_idx = CURR_CDAT->num_sets;
- CURR_LINK->ele_idx = CURR_CDAT->CURR_SET.num_ele;
- CURR_LINK->link_t.vlink.ref_id = ref_id;
- memmove(CURR_LINK->link_t.vlink.anim_name, anim_name, 32);
-
+ curr_linkp->cdat_idx = curr_cdatp->idx;
+ curr_linkp->type = 2;
+ curr_linkp->set_idx = curr_cdatp->num_sets;
+ curr_linkp->ele_idx = curr_setp->num_ele;
+ curr_linkp->link_t.vlink.ref_id = ref_id;
+ memmove(curr_linkp->link_t.vlink.anim_name, anim_name, 32);
}
+
void
-insert_ele_svlink(uint64_t ref_id)
+insert_ele_svlink
+( uint64_t ref_id
+)
{
+ struct cdat* curr_cdatp;
+ struct set* curr_setp;
+ struct link* curr_linkp;
+
+ curr_cdatp = curr_cdat();
+ curr_setp = curr_set();
+ curr_linkp = alloc_link();
+
+ curr_linkp->cdat_idx = curr_cdatp->idx;
+ curr_linkp->type = 3;
- CURR_LINK->cdat_idx = CURR_CDAT->idx;
- CURR_LINK->type = 3;
- CURR_LINK->set_idx = CURR_CDAT->num_sets;
- CURR_LINK->ele_idx = CURR_CDAT->CURR_SET.num_ele;
- CURR_LINK->link_t.svlink.ref_id = ref_id;
+ curr_linkp->ele_idx = curr_setp->num_ele;
+ curr_linkp->link_t.svlink.ref_id = ref_id;
}
+
//Insert element into odat_buf and cdatpages
void
insert_ele()
{
-
uint64_t ref_id;
-
- ref_id = CURR_CDAT->CURR_SET.CURR_ELE.ref_id;
-
- CURR_CDAT->CURR_SET.CURR_ELE.cdat_idx = CURR_CDAT->idx;
- memmove(CURR_ODAT->name,CURR_CDAT->CURR_SET.CURR_ELE.name, 32);
- CURR_CDAT->CURR_SET.num_ele++;
-
- CURR_ODAT->cdat_idx = CURR_CDAT->idx;
- CURR_ODAT->refp = CURR_REF;
+ struct cdat* curr_cdatp;
+ struct odat* curr_odatp;
+ struct set* curr_setp;
+ struct ele* curr_elep;
+ struct ref* curr_refp;
+ struct ref* prev_refp;
+
+ curr_cdatp = curr_cdat();
+ curr_odatp = curr_odat(); //malloced @ insert_ele_label
+ curr_setp = curr_set();
+ curr_elep = curr_ele();
+ curr_refp = alloc_ref();
+ prev_refp = prev_ref();
+
+ /* Populate ele in cdat */
+ curr_elep->cdat_idx = curr_cdatp->idx;
+ curr_setp->num_ele++;
+
+ /* Populate odat for ele */
+ curr_odatp->cdat_idx = curr_cdatp->idx;
+ curr_odatp->refp = curr_refp;
+
+ /* Add ele to ref_buf */
+ ref_id = curr_elep->ref_id;
if(ref_id == -1) /* user did not define a ref_id so */
- { /* use a ref_id from system_space */
- ref_id = ss_ref_id;
+ { ref_id = ss_ref_id;
ss_ref_id++;
}
- CURR_REF->ref_id = ref_id;
-
- inc_odat();
- inc_ref();
+ curr_refp->ref_id = ref_id;
+ curr_refp->lastref = prev_refp;
+ curr_refp->odatp = curr_odatp;
+ prev_refp->nextref = curr_refp;
}
void
-insert_framesheets(char direction, char* name, uint64_t ref_id, int height , int width, int num_frames)
-{
- CURR_VDAT->CURR_MODEL.spritesheet[(int)direction].height = height;
- CURR_VDAT->CURR_MODEL.spritesheet[(int)direction].width = width;
- CURR_VDAT->CURR_MODEL.spritesheet[(int)direction].num_frames = num_frames;
- CURR_VDAT->num_models++;
+insert_ele_vdatid
+()
+{ struct odat* curr_odatp;
+ curr_odatp = curr_odat();
+ curr_odatp->vdat_id = num_vdats;
}
-#define CURR_QUAD (CURR_ODAT->quad_list[CURR_ODAT->num_quads])
void
-insert_quad(int x, int y, int z, uint64_t ref_id)
+insert_quad
+( int x,
+ int y,
+ int z,
+ uint64_t ref_id
+)
{
- CURR_QUAD.x = x;
- CURR_QUAD.y = y;
- CURR_QUAD.z = z;
- CURR_QUAD.ref_id = ref_id;
- CURR_ODAT->num_quads++;
+
+ struct quad* curr_quadp;
+ struct odat* curr_odatp;
+
+ curr_quadp = curr_quad();
+ curr_odatp = curr_odat();
+
+ curr_quadp->x = x;
+ curr_quadp->y = y;
+ curr_quadp->z = z;
+ curr_quadp->ref_id = ref_id;
+ curr_odatp->num_quads++;
}
/* Inserting the hitbox into the set
odat. Elements that don't have
a hitbox will use the sets root. */
void
-insert_hitbox(int hitbox)
-{
- CURR_ODAT->hitbox = hitbox;
+insert_hitbox
+( int hitbox
+)
+{ struct odat* curr_odatp;
+
+ curr_odatp = curr_odat();
+ curr_odatp->hitbox = hitbox;
}
/* Inserting the root into the set
odat. Elements that don't have
a root will use the sets root. */
void
-insert_root(int x, int y, int z)
-{
+insert_root
+( int x,
+ int y,
+ int z
+)
+{ struct odat* curr_odatp;
+
+ curr_odatp = curr_odat();
+ curr_odatp->root.x = x;
+ curr_odatp->root.y = y;
+ curr_odatp->root.z = z;
+}
+
- CURR_ODAT->root.x = x;
- CURR_ODAT->root.y = y;
- CURR_ODAT->root.z = z;
+void
+insert_framesheet
+( char direction,
+ char* name,
+ uint64_t ref_id,
+ int height ,
+ int width,
+ int num_frames
+)
+{ struct vdat* curr_vdatp;
+ struct model* curr_modelp;
+
+ curr_vdatp = curr_vdat();
+ curr_modelp = curr_model();
+
+ curr_modelp->spritesheet[(int)direction].height = height;
+ curr_modelp->spritesheet[(int)direction].width = width;
+ curr_modelp->spritesheet[(int)direction].num_frames = num_frames;
+ curr_vdatp->num_models++;
}
void
-insert_frame_pointer(char direction, void* frame)
-{
- CURR_VDAT->CURR_MODEL.spritesheet[(int)direction].frames[CURR_VDAT->CURR_MODEL.spritesheet[(int)direction].num_frames++] = frame;
+insert_frame_pointer
+( char direction,
+ void* frame
+)
+{ struct model* curr_modelp;
+
+ curr_modelp = curr_model();
+
+ curr_modelp->spritesheet[(int)direction].frames[curr_modelp->spritesheet[(int)direction].num_frames++] = frame;
}
projects / henge / webcc.git / blobdiff