forked from OSchip/llvm-project
922 lines
22 KiB
C
922 lines
22 KiB
C
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char rcsid_plank[] = "$Id$";
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "b.h"
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#include "fe.h"
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#define ERROR_VAL 0
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int speedflag = 0;
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Item_Set *sortedStates;
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static struct stateMapTable smt;
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int exceptionTolerance = 0;
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static int plankSize = 32;
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static Plank newPlank ARGS((void));
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static PlankMap newPlankMap ARGS((int));
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static StateMap newStateMap ARGS((void));
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static Exception newException ARGS((int, int));
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static void enterStateMap ARGS((PlankMap, short *, int, int *));
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static List assemblePlanks ARGS((void));
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static void assignRules ARGS((RuleAST));
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static int stateCompare ARGS((Item_Set *, Item_Set *));
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static int ruleCompare ARGS((RuleAST *, RuleAST *));
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static void renumber ARGS((void));
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static short * newVector ARGS((void));
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static int width ARGS((int));
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static PlankMap mapToPmap ARGS((Dimension));
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static void doDimPmaps ARGS((Operator));
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static void doNonTermPmaps ARGS((NonTerminal));
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static void makePmaps ARGS((void));
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static void outPlank ARGS((Plank));
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static void purgePlanks ARGS((List));
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static void inToEx ARGS((void));
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static void makePlankRuleMacros ARGS((void));
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static void makePlankRule ARGS((void));
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static void exceptionSwitch ARGS((List, const char *, const char *, const char *, int, const char *));
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static void doPlankLabel ARGS((Operator));
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static void doPlankLabelSafely ARGS((Operator));
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static void doPlankLabelMacrosSafely ARGS((Operator));
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static void makePlankState ARGS((void));
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static Plank
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newPlank()
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{
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Plank p;
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char buf[50];
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static int num = 0;
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p = (Plank) zalloc(sizeof(struct plank));
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sprintf(buf, "%s_plank_%d", prefix, num++);
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p->name = (char *) zalloc(strlen(buf)+1);
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strcpy(p->name, buf);
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return p;
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}
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static PlankMap
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newPlankMap(offset) int offset;
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{
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PlankMap im;
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im = (PlankMap) zalloc(sizeof(struct plankMap));
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im->offset = offset;
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return im;
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}
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static StateMap
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newStateMap()
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{
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char buf[50];
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static int num = 0;
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StateMap sm;
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sm = (StateMap) zalloc(sizeof(struct stateMap));
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sprintf(buf, "f%d", num++);
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sm->fieldname = (char *) zalloc(strlen(buf)+1);
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strcpy(sm->fieldname, buf);
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return sm;
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}
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static Exception
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newException(index, value) int index; int value;
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{
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Exception e;
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e = (Exception) zalloc(sizeof(struct except));
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e->index = index;
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e->value = value;
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return e;
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}
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static void
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enterStateMap(im, v, width, new) PlankMap im; short * v; int width; int *new;
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{
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int i;
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StateMap sm;
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List l;
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int size;
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assert(im);
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assert(v);
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assert(width > 0);
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size = globalMap->count;
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for (l = smt.maps; l; l = l->next) {
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int ecount;
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sm = (StateMap) l->x;
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ecount = 0;
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for (i = 0; i < size; i++) {
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if (v[i] != -1 && sm->value[i] != -1 && v[i] != sm->value[i]) {
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if (++ecount > exceptionTolerance) {
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goto again;
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}
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}
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}
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for (i = 0; i < size; i++) {
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assert(v[i] >= 0);
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assert(sm->value[i] >= 0);
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if (v[i] == -1) {
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continue;
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}
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if (sm->value[i] == -1) {
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sm->value[i] = v[i];
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} else if (v[i] != sm->value[i]) {
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im->exceptions = newList(newException(i,v[i]), im->exceptions);
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}
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}
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im->values = sm;
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if (width > sm->width) {
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sm->width = width;
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}
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*new = 0;
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return;
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again: ;
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}
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sm = newStateMap();
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im->values = sm;
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sm->value = v;
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sm->width = width;
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*new = 1;
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smt.maps = newList(sm, smt.maps);
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}
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static List
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assemblePlanks()
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{
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List planks = 0;
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Plank pl;
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List p;
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List s;
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for (s = smt.maps; s; s = s->next) {
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StateMap sm = (StateMap) s->x;
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for (p = planks; p; p = p->next) {
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pl = (Plank) p->x;
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if (sm->width <= plankSize - pl->width) {
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pl->width += sm->width;
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pl->fields = newList(sm, pl->fields);
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sm->plank = pl;
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goto next;
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}
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}
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pl = newPlank();
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pl->width = sm->width;
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pl->fields = newList(sm, 0);
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sm->plank = pl;
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planks = appendList(pl, planks);
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next: ;
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}
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return planks;
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}
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RuleAST *sortedRules;
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static int count;
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static void
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assignRules(ast) RuleAST ast;
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{
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sortedRules[count++] = ast;
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}
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static int
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stateCompare(s, t) Item_Set *s; Item_Set *t;
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{
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return strcmp((*s)->op->name, (*t)->op->name);
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}
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static int
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ruleCompare(s, t) RuleAST *s; RuleAST *t;
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{
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return strcmp((*s)->lhs, (*t)->lhs);
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}
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void
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dumpSortedStates()
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{
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int i;
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printf("dump Sorted States: ");
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for (i = 0; i < globalMap->count; i++) {
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printf("%d ", sortedStates[i]->num);
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}
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printf("\n");
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}
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void
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dumpSortedRules()
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{
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int i;
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printf("dump Sorted Rules: ");
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for (i = 0; i < max_ruleAST; i++) {
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printf("%d ", sortedRules[i]->rule->erulenum);
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}
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printf("\n");
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}
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static void
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renumber()
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{
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int i;
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Operator previousOp;
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NonTerminal previousLHS;
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int base_counter;
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sortedStates = (Item_Set*) zalloc(globalMap->count * sizeof(Item_Set));
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for (i = 1; i < globalMap->count; i++) {
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sortedStates[i-1] = globalMap->set[i];
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}
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qsort(sortedStates, globalMap->count-1, sizeof(Item_Set), (int(*)(const void *, const void *))stateCompare);
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previousOp = 0;
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for (i = 0; i < globalMap->count-1; i++) {
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sortedStates[i]->newNum = i;
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sortedStates[i]->op->stateCount++;
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if (previousOp != sortedStates[i]->op) {
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sortedStates[i]->op->baseNum = i;
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previousOp = sortedStates[i]->op;
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}
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}
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sortedRules = (RuleAST*) zalloc(max_ruleAST * sizeof(RuleAST));
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count = 0;
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foreachList((ListFn) assignRules, ruleASTs);
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qsort(sortedRules, max_ruleAST, sizeof(RuleAST), (int(*)(const void *, const void *))ruleCompare);
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previousLHS = 0;
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base_counter = 0;
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for (i = 0; i < max_ruleAST; i++) {
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if (previousLHS != sortedRules[i]->rule->lhs) {
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sortedRules[i]->rule->lhs->baseNum = base_counter;
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previousLHS = sortedRules[i]->rule->lhs;
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base_counter++; /* make space for 0 */
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}
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sortedRules[i]->rule->newNum = base_counter;
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sortedRules[i]->rule->lhs->ruleCount++;
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sortedRules[i]->rule->lhs->sampleRule = sortedRules[i]->rule; /* kludge for diagnostics */
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base_counter++;
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}
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}
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static short *
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newVector()
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{
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short *p;
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p = (short *) zalloc(globalMap->count* sizeof(short));
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return p;
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}
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static int
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width(v) int v;
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{
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int c;
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for (c = 0; v; v >>= 1) {
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c++;
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}
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return c;
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}
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static PlankMap
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mapToPmap(d) Dimension d;
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{
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PlankMap im;
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short *v;
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int i;
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int new;
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if (d->map->count == 1) {
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return 0;
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}
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assert(d->map->count > 1);
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im = newPlankMap(0);
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v = newVector();
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for (i = 0; i < globalMap->count-1; i++) {
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int index = d->map->set[d->index_map.class[sortedStates[i]->num]->num]->num;
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assert(index >= 0);
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v[i+1] = index;
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}
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v[0] = 0;
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enterStateMap(im, v, width(d->map->count), &new);
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if (!new) {
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zfree(v);
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}
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return im;
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}
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static void
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doDimPmaps(op) Operator op;
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{
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int i, j;
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Dimension d;
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short *v;
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PlankMap im;
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int new;
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if (!op->table->rules) {
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return;
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}
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switch (op->arity) {
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case 0:
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break;
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case 1:
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d = op->table->dimen[0];
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if (d->map->count > 1) {
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v = newVector();
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im = newPlankMap(op->baseNum);
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for (i = 0; i < globalMap->count-1; i++) {
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int index = d->map->set[d->index_map.class[sortedStates[i]->num]->num]->num;
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if (index) {
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Item_Set *ts = transLval(op->table, index, 0);
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v[i+1] = (*ts)->newNum - op->baseNum+1;
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assert(v[i+1] >= 0);
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}
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}
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enterStateMap(im, v, width(d->map->count-1), &new);
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if (!new) {
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zfree(v);
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}
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d->pmap = im;
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}
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break;
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case 2:
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if (op->table->dimen[0]->map->count == 1 && op->table->dimen[1]->map->count == 1) {
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op->table->dimen[0]->pmap = 0;
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op->table->dimen[1]->pmap = 0;
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} else if (op->table->dimen[0]->map->count == 1) {
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v = newVector();
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im = newPlankMap(op->baseNum);
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d = op->table->dimen[1];
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for (i = 0; i < globalMap->count-1; i++) {
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int index = d->map->set[d->index_map.class[sortedStates[i]->num]->num]->num;
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if (index) {
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Item_Set *ts = transLval(op->table, 1, index);
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v[i+1] = (*ts)->newNum - op->baseNum+1;
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assert(v[i+1] >= 0);
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}
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}
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enterStateMap(im, v, width(d->map->count-1), &new);
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if (!new) {
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zfree(v);
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}
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d->pmap = im;
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} else if (op->table->dimen[1]->map->count == 1) {
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v = newVector();
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im = newPlankMap(op->baseNum);
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d = op->table->dimen[0];
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for (i = 0; i < globalMap->count-1; i++) {
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int index = d->map->set[d->index_map.class[sortedStates[i]->num]->num]->num;
|
||
|
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if (index) {
|
||
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Item_Set *ts = transLval(op->table, index, 1);
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v[i +1] = (*ts)->newNum - op->baseNum +1;
|
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assert(v[i +1] >= 0);
|
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}
|
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}
|
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|
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enterStateMap(im, v, width(d->map->count-1), &new);
|
||
|
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if (!new) {
|
||
|
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zfree(v);
|
||
|
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}
|
||
|
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d->pmap = im;
|
||
|
|
} else {
|
||
|
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op->table->dimen[0]->pmap = mapToPmap(op->table->dimen[0]);
|
||
|
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op->table->dimen[1]->pmap = mapToPmap(op->table->dimen[1]);
|
||
|
|
/* output table */
|
||
|
|
fprintf(outfile, "static unsigned %s %s_%s_transition[%d][%d] = {",
|
||
|
|
op->stateCount <= 255 ? "char" : "short",
|
||
|
|
prefix,
|
||
|
|
op->name,
|
||
|
|
op->table->dimen[0]->map->count,
|
||
|
|
op->table->dimen[1]->map->count);
|
||
|
|
for (i = 0; i < op->table->dimen[0]->map->count; i++) {
|
||
|
|
if (i > 0) {
|
||
|
|
fprintf(outfile, ",");
|
||
|
|
}
|
||
|
|
fprintf(outfile, "\n{");
|
||
|
|
for (j = 0; j < op->table->dimen[1]->map->count; j++) {
|
||
|
|
Item_Set *ts = transLval(op->table, i, j);
|
||
|
|
short diff;
|
||
|
|
if (j > 0) {
|
||
|
|
fprintf(outfile, ",");
|
||
|
|
if (j % 10 == 0) {
|
||
|
|
fprintf(outfile, "\t/* row %d, cols %d-%d*/\n",
|
||
|
|
i,
|
||
|
|
j-10,
|
||
|
|
j-1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ((*ts)->num > 0) {
|
||
|
|
diff = (*ts)->newNum - op->baseNum +1;
|
||
|
|
} else {
|
||
|
|
diff = 0;
|
||
|
|
}
|
||
|
|
fprintf(outfile, "%5d", diff);
|
||
|
|
}
|
||
|
|
fprintf(outfile, "}\t/* row %d */", i);
|
||
|
|
}
|
||
|
|
fprintf(outfile, "\n};\n");
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
assert(0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static NonTerminal *ntVector;
|
||
|
|
|
||
|
|
static void
|
||
|
|
doNonTermPmaps(n) NonTerminal n;
|
||
|
|
{
|
||
|
|
short *v;
|
||
|
|
PlankMap im;
|
||
|
|
int new;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
ntVector[n->num] = n;
|
||
|
|
if (n->num >= last_user_nonterminal) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (n->ruleCount <= 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
im = newPlankMap(n->baseNum);
|
||
|
|
v = newVector();
|
||
|
|
for (i = 0; i < globalMap->count-1; i++) {
|
||
|
|
Rule r = globalMap->set[sortedStates[i]->num]->closed[n->num].rule;
|
||
|
|
if (r) {
|
||
|
|
r->used = 1;
|
||
|
|
v[i+1] = r->newNum - n->baseNum /*safely*/;
|
||
|
|
assert(v[i+1] >= 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
enterStateMap(im, v, width(n->ruleCount+1), &new);
|
||
|
|
if (!new) {
|
||
|
|
zfree(v);
|
||
|
|
}
|
||
|
|
n->pmap = im;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
makePmaps()
|
||
|
|
{
|
||
|
|
foreachList((ListFn) doDimPmaps, operators);
|
||
|
|
ntVector = (NonTerminal*) zalloc((max_nonterminal) * sizeof(NonTerminal));
|
||
|
|
foreachList((ListFn) doNonTermPmaps, nonterminals);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
outPlank(p) Plank p;
|
||
|
|
{
|
||
|
|
List f;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
fprintf(outfile, "static struct {\n");
|
||
|
|
|
||
|
|
for (f = p->fields; f; f = f->next) {
|
||
|
|
StateMap sm = (StateMap) f->x;
|
||
|
|
fprintf(outfile, "\tunsigned int %s:%d;\n", sm->fieldname, sm->width);
|
||
|
|
}
|
||
|
|
|
||
|
|
fprintf(outfile, "} %s[] = {\n", p->name);
|
||
|
|
|
||
|
|
for (i = 0; i < globalMap->count; i++) {
|
||
|
|
fprintf(outfile, "\t{");
|
||
|
|
for (f = p->fields; f; f = f->next) {
|
||
|
|
StateMap sm = (StateMap) f->x;
|
||
|
|
fprintf(outfile, "%4d,", sm->value[i] == -1 ? ERROR_VAL : sm->value[i]);
|
||
|
|
}
|
||
|
|
fprintf(outfile, "},\t/* row %d */\n", i);
|
||
|
|
}
|
||
|
|
|
||
|
|
fprintf(outfile, "};\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
purgePlanks(planks) List planks;
|
||
|
|
{
|
||
|
|
List p;
|
||
|
|
|
||
|
|
for (p = planks; p; p = p->next) {
|
||
|
|
Plank x = (Plank) p->x;
|
||
|
|
outPlank(x);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
inToEx()
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
int counter;
|
||
|
|
|
||
|
|
fprintf(outfile, "static short %s_eruleMap[] = {\n", prefix);
|
||
|
|
counter = 0;
|
||
|
|
for (i = 0; i < max_ruleAST; i++) {
|
||
|
|
if (counter > 0) {
|
||
|
|
fprintf(outfile, ",");
|
||
|
|
if (counter % 10 == 0) {
|
||
|
|
fprintf(outfile, "\t/* %d-%d */\n", counter-10, counter-1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (counter < sortedRules[i]->rule->newNum) {
|
||
|
|
assert(counter == sortedRules[i]->rule->newNum-1);
|
||
|
|
fprintf(outfile, "%5d", 0);
|
||
|
|
counter++;
|
||
|
|
if (counter > 0) {
|
||
|
|
fprintf(outfile, ",");
|
||
|
|
if (counter % 10 == 0) {
|
||
|
|
fprintf(outfile, "\t/* %d-%d */\n", counter-10, counter-1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
fprintf(outfile, "%5d", sortedRules[i]->rule->erulenum);
|
||
|
|
counter++;
|
||
|
|
}
|
||
|
|
fprintf(outfile, "\n};\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
makePlankRuleMacros()
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 1; i < last_user_nonterminal; i++) {
|
||
|
|
List es;
|
||
|
|
PlankMap im = ntVector[i]->pmap;
|
||
|
|
fprintf(outfile, "#define %s_%s_rule(state)\t", prefix, ntVector[i]->name);
|
||
|
|
if (im) {
|
||
|
|
fprintf(outfile, "%s_eruleMap[", prefix);
|
||
|
|
for (es = im->exceptions; es; es = es->next) {
|
||
|
|
Exception e = (Exception) es->x;
|
||
|
|
fprintf(outfile, "((state) == %d ? %d :",
|
||
|
|
e->index, e->value);
|
||
|
|
}
|
||
|
|
fprintf(outfile, "%s[state].%s",
|
||
|
|
im->values->plank->name,
|
||
|
|
im->values->fieldname);
|
||
|
|
for (es = im->exceptions; es; es = es->next) {
|
||
|
|
fprintf(outfile, ")");
|
||
|
|
}
|
||
|
|
fprintf(outfile, " +%d]", im->offset);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
/* nonterminal never appears on LHS. */
|
||
|
|
assert(ntVector[i] == start);
|
||
|
|
fprintf(outfile, "0");
|
||
|
|
}
|
||
|
|
fprintf(outfile, "\n");
|
||
|
|
}
|
||
|
|
fprintf(outfile, "\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
makePlankRule()
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
makePlankRuleMacros();
|
||
|
|
|
||
|
|
fprintf(outfile, "#ifdef __STDC__\n");
|
||
|
|
fprintf(outfile, "int %s_rule(int state, int goalnt) {\n", prefix);
|
||
|
|
fprintf(outfile, "#else\n");
|
||
|
|
fprintf(outfile, "int %s_rule(state, goalnt) int state; int goalnt; {\n", prefix);
|
||
|
|
fprintf(outfile, "#endif\n");
|
||
|
|
|
||
|
|
fprintf(outfile,
|
||
|
|
"\t%s_assert(state >= 0 && state < %d, %s_PANIC(\"Bad state %%d passed to %s_rule\\n\", state));\n",
|
||
|
|
prefix, globalMap->count, prefix, prefix);
|
||
|
|
fprintf(outfile, "\tswitch(goalnt) {\n");
|
||
|
|
|
||
|
|
for (i = 1; i < last_user_nonterminal; i++) {
|
||
|
|
fprintf(outfile, "\tcase %d:\n", i);
|
||
|
|
fprintf(outfile, "\t\treturn %s_%s_rule(state);\n", prefix, ntVector[i]->name);
|
||
|
|
}
|
||
|
|
fprintf(outfile, "\tdefault:\n");
|
||
|
|
fprintf(outfile, "\t\t%s_PANIC(\"Unknown nonterminal %%d in %s_rule;\\n\", goalnt);\n", prefix, prefix);
|
||
|
|
fprintf(outfile, "\t\tabort();\n");
|
||
|
|
fprintf(outfile, "\t\treturn 0;\n");
|
||
|
|
fprintf(outfile, "\t}\n");
|
||
|
|
fprintf(outfile, "}\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
exceptionSwitch(es, sw, pre, post, offset, def) List es; const char *sw; const char *pre; const char *post; int offset; const char *def;
|
||
|
|
{
|
||
|
|
if (es) {
|
||
|
|
fprintf(outfile, "\t\tswitch (%s) {\n", sw);
|
||
|
|
for (; es; es = es->next) {
|
||
|
|
Exception e = (Exception) es->x;
|
||
|
|
fprintf(outfile, "\t\tcase %d: %s %d; %s\n", e->index, pre, e->value+offset, post);
|
||
|
|
}
|
||
|
|
if (def) {
|
||
|
|
fprintf(outfile, "\t\tdefault: %s;\n", def);
|
||
|
|
}
|
||
|
|
fprintf(outfile, "\t\t}\n");
|
||
|
|
} else {
|
||
|
|
if (def) {
|
||
|
|
fprintf(outfile, "\t\t%s;\n", def);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
doPlankLabel(op) Operator op;
|
||
|
|
{
|
||
|
|
PlankMap im0;
|
||
|
|
PlankMap im1;
|
||
|
|
char buf[100];
|
||
|
|
|
||
|
|
fprintf(outfile, "\tcase %d:\n", op->num);
|
||
|
|
switch (op->arity) {
|
||
|
|
case 0:
|
||
|
|
fprintf(outfile, "\t\treturn %d;\n", op->table->transition[0]->newNum);
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
im0 = op->table->dimen[0]->pmap;
|
||
|
|
if (im0) {
|
||
|
|
exceptionSwitch(im0->exceptions, "l", "return ", "", im0->offset, 0);
|
||
|
|
fprintf(outfile, "\t\treturn %s[l].%s + %d;\n",
|
||
|
|
im0->values->plank->name, im0->values->fieldname, im0->offset);
|
||
|
|
} else {
|
||
|
|
Item_Set *ts = transLval(op->table, 1, 0);
|
||
|
|
if (*ts) {
|
||
|
|
fprintf(outfile, "\t\treturn %d;\n", (*ts)->newNum);
|
||
|
|
} else {
|
||
|
|
fprintf(outfile, "\t\treturn %d;\n", ERROR_VAL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
im0 = op->table->dimen[0]->pmap;
|
||
|
|
im1 = op->table->dimen[1]->pmap;
|
||
|
|
if (!im0 && !im1) {
|
||
|
|
Item_Set *ts = transLval(op->table, 1, 1);
|
||
|
|
if (*ts) {
|
||
|
|
fprintf(outfile, "\t\treturn %d;\n", (*ts)->newNum);
|
||
|
|
} else {
|
||
|
|
fprintf(outfile, "\t\treturn %d;\n", ERROR_VAL);
|
||
|
|
}
|
||
|
|
} else if (!im0) {
|
||
|
|
exceptionSwitch(im1->exceptions, "r", "return ", "", im1->offset, 0);
|
||
|
|
fprintf(outfile, "\t\treturn %s[r].%s + %d;\n",
|
||
|
|
im1->values->plank->name, im1->values->fieldname, im1->offset);
|
||
|
|
} else if (!im1) {
|
||
|
|
exceptionSwitch(im0->exceptions, "l", "return ", "", im0->offset, 0);
|
||
|
|
fprintf(outfile, "\t\treturn %s[l].%s + %d;\n",
|
||
|
|
im0->values->plank->name, im0->values->fieldname, im0->offset);
|
||
|
|
} else {
|
||
|
|
assert(im0->offset == 0);
|
||
|
|
assert(im1->offset == 0);
|
||
|
|
sprintf(buf, "l = %s[l].%s",
|
||
|
|
im0->values->plank->name, im0->values->fieldname);
|
||
|
|
exceptionSwitch(im0->exceptions, "l", "l =", "break;", 0, buf);
|
||
|
|
sprintf(buf, "r = %s[r].%s",
|
||
|
|
im1->values->plank->name, im1->values->fieldname);
|
||
|
|
exceptionSwitch(im1->exceptions, "r", "r =", "break;", 0, buf);
|
||
|
|
|
||
|
|
fprintf(outfile, "\t\treturn %s_%s_transition[l][r] + %d;\n",
|
||
|
|
prefix,
|
||
|
|
op->name,
|
||
|
|
op->baseNum);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
assert(0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
doPlankLabelMacrosSafely(op) Operator op;
|
||
|
|
{
|
||
|
|
PlankMap im0;
|
||
|
|
PlankMap im1;
|
||
|
|
|
||
|
|
switch (op->arity) {
|
||
|
|
case -1:
|
||
|
|
fprintf(outfile, "#define %s_%s_state\t0\n", prefix, op->name);
|
||
|
|
break;
|
||
|
|
case 0:
|
||
|
|
fprintf(outfile, "#define %s_%s_state", prefix, op->name);
|
||
|
|
fprintf(outfile, "\t%d\n", op->table->transition[0]->newNum+1);
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
fprintf(outfile, "#define %s_%s_state(l)", prefix, op->name);
|
||
|
|
im0 = op->table->dimen[0]->pmap;
|
||
|
|
if (im0) {
|
||
|
|
if (im0->exceptions) {
|
||
|
|
List es = im0->exceptions;
|
||
|
|
assert(0);
|
||
|
|
fprintf(outfile, "\t\tswitch (l) {\n");
|
||
|
|
for (; es; es = es->next) {
|
||
|
|
Exception e = (Exception) es->x;
|
||
|
|
fprintf(outfile, "\t\tcase %d: return %d;\n", e->index, e->value ? e->value+im0->offset : 0);
|
||
|
|
}
|
||
|
|
fprintf(outfile, "\t\t}\n");
|
||
|
|
}
|
||
|
|
if (speedflag) {
|
||
|
|
fprintf(outfile, "\t( %s[l].%s + %d )\n",
|
||
|
|
im0->values->plank->name, im0->values->fieldname,
|
||
|
|
im0->offset);
|
||
|
|
} else {
|
||
|
|
fprintf(outfile, "\t( (%s_TEMP = %s[l].%s) ? %s_TEMP + %d : 0 )\n",
|
||
|
|
prefix,
|
||
|
|
im0->values->plank->name, im0->values->fieldname,
|
||
|
|
prefix,
|
||
|
|
im0->offset);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
Item_Set *ts = transLval(op->table, 1, 0);
|
||
|
|
if (*ts) {
|
||
|
|
fprintf(outfile, "\t%d\n", (*ts)->newNum+1);
|
||
|
|
} else {
|
||
|
|
fprintf(outfile, "\t%d\n", 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
fprintf(outfile, "#define %s_%s_state(l,r)", prefix, op->name);
|
||
|
|
|
||
|
|
im0 = op->table->dimen[0]->pmap;
|
||
|
|
im1 = op->table->dimen[1]->pmap;
|
||
|
|
if (!im0 && !im1) {
|
||
|
|
Item_Set *ts = transLval(op->table, 1, 1);
|
||
|
|
assert(0);
|
||
|
|
if (*ts) {
|
||
|
|
fprintf(outfile, "\t\treturn %d;\n", (*ts)->newNum+1);
|
||
|
|
} else {
|
||
|
|
fprintf(outfile, "\t\treturn %d;\n", 0);
|
||
|
|
}
|
||
|
|
} else if (!im0) {
|
||
|
|
assert(0);
|
||
|
|
if (im1->exceptions) {
|
||
|
|
List es = im1->exceptions;
|
||
|
|
fprintf(outfile, "\t\tswitch (r) {\n");
|
||
|
|
for (; es; es = es->next) {
|
||
|
|
Exception e = (Exception) es->x;
|
||
|
|
fprintf(outfile, "\t\tcase %d: return %d;\n", e->index, e->value ? e->value+im1->offset : 0);
|
||
|
|
}
|
||
|
|
fprintf(outfile, "\t\t}\n");
|
||
|
|
}
|
||
|
|
fprintf(outfile, "\t\tstate = %s[r].%s; offset = %d;\n",
|
||
|
|
im1->values->plank->name, im1->values->fieldname, im1->offset);
|
||
|
|
fprintf(outfile, "\t\tbreak;\n");
|
||
|
|
} else if (!im1) {
|
||
|
|
assert(0);
|
||
|
|
if (im0->exceptions) {
|
||
|
|
List es = im0->exceptions;
|
||
|
|
fprintf(outfile, "\t\tswitch (l) {\n");
|
||
|
|
for (; es; es = es->next) {
|
||
|
|
Exception e = (Exception) es->x;
|
||
|
|
fprintf(outfile, "\t\tcase %d: return %d;\n", e->index, e->value ? e->value+im0->offset : 0);
|
||
|
|
}
|
||
|
|
fprintf(outfile, "\t\t}\n");
|
||
|
|
}
|
||
|
|
fprintf(outfile, "\t\tstate = %s[l].%s; offset = %d;\n",
|
||
|
|
im0->values->plank->name, im0->values->fieldname, im0->offset);
|
||
|
|
fprintf(outfile, "\t\tbreak;\n");
|
||
|
|
} else {
|
||
|
|
assert(im0->offset == 0);
|
||
|
|
assert(im1->offset == 0);
|
||
|
|
/*
|
||
|
|
sprintf(buf, "l = %s[l].%s",
|
||
|
|
im0->values->plank->name, im0->values->fieldname);
|
||
|
|
exceptionSwitch(im0->exceptions, "l", "l =", "break;", 0, buf);
|
||
|
|
sprintf(buf, "r = %s[r].%s",
|
||
|
|
im1->values->plank->name, im1->values->fieldname);
|
||
|
|
exceptionSwitch(im1->exceptions, "r", "r =", "break;", 0, buf);
|
||
|
|
|
||
|
|
fprintf(outfile, "\t\tstate = %s_%s_transition[l][r]; offset = %d;\n",
|
||
|
|
prefix,
|
||
|
|
op->name,
|
||
|
|
op->baseNum);
|
||
|
|
fprintf(outfile, "\t\tbreak;\n");
|
||
|
|
*/
|
||
|
|
|
||
|
|
if (speedflag) {
|
||
|
|
fprintf(outfile, "\t( %s_%s_transition[%s[l].%s][%s[r].%s] + %d)\n",
|
||
|
|
prefix,
|
||
|
|
op->name,
|
||
|
|
im0->values->plank->name, im0->values->fieldname,
|
||
|
|
im1->values->plank->name, im1->values->fieldname,
|
||
|
|
op->baseNum);
|
||
|
|
} else {
|
||
|
|
fprintf(outfile, "\t( (%s_TEMP = %s_%s_transition[%s[l].%s][%s[r].%s]) ? ",
|
||
|
|
prefix,
|
||
|
|
prefix,
|
||
|
|
op->name,
|
||
|
|
im0->values->plank->name, im0->values->fieldname,
|
||
|
|
im1->values->plank->name, im1->values->fieldname);
|
||
|
|
fprintf(outfile, "%s_TEMP + %d : 0 )\n",
|
||
|
|
prefix,
|
||
|
|
op->baseNum);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
assert(0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
static void
|
||
|
|
doPlankLabelSafely(op) Operator op;
|
||
|
|
{
|
||
|
|
fprintf(outfile, "\tcase %d:\n", op->num);
|
||
|
|
switch (op->arity) {
|
||
|
|
case -1:
|
||
|
|
fprintf(outfile, "\t\treturn 0;\n");
|
||
|
|
break;
|
||
|
|
case 0:
|
||
|
|
fprintf(outfile, "\t\treturn %s_%s_state;\n", prefix, op->name);
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
fprintf(outfile, "\t\treturn %s_%s_state(l);\n", prefix, op->name);
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
fprintf(outfile, "\t\treturn %s_%s_state(l,r);\n", prefix, op->name);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
assert(0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
makePlankState()
|
||
|
|
{
|
||
|
|
fprintf(outfile, "\n");
|
||
|
|
fprintf(outfile, "int %s_TEMP;\n", prefix);
|
||
|
|
foreachList((ListFn) doPlankLabelMacrosSafely, operators);
|
||
|
|
fprintf(outfile, "\n");
|
||
|
|
|
||
|
|
fprintf(outfile, "#ifdef __STDC__\n");
|
||
|
|
switch (max_arity) {
|
||
|
|
case -1:
|
||
|
|
fprintf(stderr, "ERROR: no terminals in grammar.\n");
|
||
|
|
exit(1);
|
||
|
|
case 0:
|
||
|
|
fprintf(outfile, "int %s_state(int op) {\n", prefix);
|
||
|
|
fprintf(outfile, "#else\n");
|
||
|
|
fprintf(outfile, "int %s_state(op) int op; {\n", prefix);
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
fprintf(outfile, "int %s_state(int op, int l) {\n", prefix);
|
||
|
|
fprintf(outfile, "#else\n");
|
||
|
|
fprintf(outfile, "int %s_state(op, l) int op; int l; {\n", prefix);
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
fprintf(outfile, "int %s_state(int op, int l, int r) {\n", prefix);
|
||
|
|
fprintf(outfile, "#else\n");
|
||
|
|
fprintf(outfile, "int %s_state(op, l, r) int op; int l; int r; {\n", prefix);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
assert(0);
|
||
|
|
}
|
||
|
|
fprintf(outfile, "#endif\n");
|
||
|
|
|
||
|
|
fprintf(outfile, "\tregister int %s_TEMP;\n", prefix);
|
||
|
|
|
||
|
|
fprintf(outfile, "#ifndef NDEBUG\n");
|
||
|
|
|
||
|
|
fprintf(outfile, "\tswitch (op) {\n");
|
||
|
|
opsOfArity(2);
|
||
|
|
if (max_arity >= 2) {
|
||
|
|
fprintf(outfile,
|
||
|
|
"\t\t%s_assert(r >= 0 && r < %d, %s_PANIC(\"Bad state %%d passed to %s_state\\n\", r));\n",
|
||
|
|
prefix, globalMap->count, prefix, prefix);
|
||
|
|
fprintf(outfile, "\t\t/*FALLTHROUGH*/\n");
|
||
|
|
}
|
||
|
|
opsOfArity(1);
|
||
|
|
if (max_arity > 1) {
|
||
|
|
fprintf(outfile,
|
||
|
|
"\t\t%s_assert(l >= 0 && l < %d, %s_PANIC(\"Bad state %%d passed to %s_state\\n\", l));\n",
|
||
|
|
prefix, globalMap->count, prefix, prefix);
|
||
|
|
fprintf(outfile, "\t\t/*FALLTHROUGH*/\n");
|
||
|
|
}
|
||
|
|
opsOfArity(0);
|
||
|
|
fprintf(outfile, "\t\tbreak;\n");
|
||
|
|
fprintf(outfile, "\t}\n");
|
||
|
|
fprintf(outfile, "#endif\n");
|
||
|
|
|
||
|
|
fprintf(outfile, "\tswitch (op) {\n");
|
||
|
|
fprintf(outfile,"\tdefault: %s_PANIC(\"Unknown op %%d in %s_state\\n\", op); abort(); return 0;\n",
|
||
|
|
prefix, prefix);
|
||
|
|
foreachList((ListFn) doPlankLabelSafely, operators);
|
||
|
|
fprintf(outfile, "\t}\n");
|
||
|
|
|
||
|
|
fprintf(outfile, "}\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
makePlanks()
|
||
|
|
{
|
||
|
|
List planks;
|
||
|
|
renumber();
|
||
|
|
makePmaps();
|
||
|
|
planks = assemblePlanks();
|
||
|
|
purgePlanks(planks);
|
||
|
|
inToEx();
|
||
|
|
makePlankRule();
|
||
|
|
makePlankState();
|
||
|
|
}
|