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/*
Ronny Wichers Schreur
University of Nijmegen
*/
# pragma segment comparser
# ifdef THINK_C
# pragma options (!macsbug_names)
# endif
# undef PRINT_RULES_AFTER_PARSING
# undef STOP_AFTER_PARSING
# undef H
# include "compiledefines.h"
# include "types.t"
# include "syntaxtr.t"
# include "comsupport.h"
# include "scanner.h"
# include "sizes.h"
# include "checker.h"
# include "statesgen.h"
# include "comparser.h"
# include "buildtree.h"
# include "settings.h"
# include "checksupport.h"
# ifdef PRINT_RULES_AFTER_PARSING
# include "dbprint.h"
# endif
static void *gSymbIdEnv;
static IdentP gBasicTypeIdents [Nr_Of_Basic_Types], gIfIdent;
static SymbolP
NewPredefinedTypeSymbol (SymbKind symbolKind, KeywordKind keyWordKind, IdentP *identPtr)
{
char *symbolName;
SymbolP symbol;
IdentP ident;
symbolName = ReservedWords [keyWordKind];
symbol = NewSymbol (symbolKind);
ident = PutStringInHashTable (symbolName, TypeSymbolIdTable);
ident->ident_symbol = symbol;
ident->ident_environ= (char*)gSymbIdEnv;
*identPtr = ident;
return (symbol);
} /* NewPredefinedSymbol */
static SymbolP
NewPredefinedSymbol (SymbKind symbolKind, KeywordKind keyWordKind, IdentP *identPtr)
{
char *symbolName;
SymbolP symbol;
IdentP ident;
symbolName = ReservedWords [keyWordKind];
symbol = NewSymbol (symbolKind);
ident = PutStringInHashTable (symbolName, SymbolIdTable);
ident->ident_symbol = symbol;
ident->ident_environ= (char*)gSymbIdEnv;
*identPtr = ident;
return (symbol);
} /* NewPredefinedSymbol */
void
InitParser (void)
{
int i;
ScanInitialise ();
#ifndef CLEAN2
MakeErrorStructures ();
gCurrentContext = NULL;
gNodeIdEnv = (char *) 1;
/* RWS, hack to avoid name space confusion bug */
gAttributeEnv = (char *) (1 << 16);
gAttrVarAdmin = NULL;
#endif
for (i = 0; i < MaxNodeArity; i++)
{ SelectSymbols [i] = NULL;
TupleTypeSymbols [i] = NULL;
}
BasicTypeSymbols [int_type] = NewPredefinedTypeSymbol (int_type, intsym, & gBasicTypeIdents [int_type]);
BasicTypeSymbols [bool_type] = NewPredefinedTypeSymbol (bool_type, boolsym, & gBasicTypeIdents [bool_type]);
BasicTypeSymbols [char_type] = NewPredefinedTypeSymbol (char_type, charsym, & gBasicTypeIdents [char_type]);
BasicTypeSymbols [string_type] = NewPredefinedTypeSymbol (string_type, stringsym, & gBasicTypeIdents [string_type]);
BasicTypeSymbols [real_type] = NewPredefinedTypeSymbol (real_type, realsym, & gBasicTypeIdents [real_type]);
BasicTypeSymbols [file_type] = NewPredefinedTypeSymbol (file_type, filesym, & gBasicTypeIdents [file_type]);
BasicTypeSymbols [world_type] = NewPredefinedTypeSymbol (world_type, worldsym, & gBasicTypeIdents [world_type]);
ArraySymbols [LazyArrayInstance] = NewPredefinedTypeSymbol (array_type, arraysym, &gArrayIdents [LazyArrayInstance]);
ArraySymbols [StrictArrayInstance] = NewPredefinedTypeSymbol (strict_array_type, strictarraysym, &gArrayIdents [StrictArrayInstance]);
ArraySymbols [UnboxedArrayInstance] = NewPredefinedTypeSymbol (unboxed_array_type, unboxedarraysym, &gArrayIdents [UnboxedArrayInstance]);
BasicTypeSymbols [procid_type] = NewPredefinedTypeSymbol (procid_type, procidsym, & gBasicTypeIdents [procid_type]);
IfSymbol = NewPredefinedSymbol (if_symb, ifsym, &gIfIdent);
BasicTypeSymbols [redid_type] = NewPredefinedTypeSymbol (procid_type, procidsym, & gBasicTypeIdents [redid_type]);
ApplyTypeSymbol = NewSymbol (fun_type);
TrueSymbol = NewSymbol (bool_denot);
TrueSymbol->symb_bool = True;
FalseSymbol = NewSymbol (bool_denot);
FalseSymbol->symb_bool = False;
TupleSymbol = NewSymbol (tuple_symb);
ListSymbol = NewSymbol (list_type);
ConsSymbol = NewSymbol (cons_symb);
NilSymbol = NewSymbol (nil_symb);
#if STRICT_LISTS
ListSymbol->symb_head_strictness=0;
ListSymbol->symb_tail_strictness=0;
ConsSymbol->symb_head_strictness=0;
ConsSymbol->symb_tail_strictness=0;
NilSymbol->symb_head_strictness=0;
NilSymbol->symb_tail_strictness=0;
StrictListSymbol= NewSymbol (list_type);
StrictListSymbol->symb_head_strictness=2;
StrictListSymbol->symb_tail_strictness=0;
UnboxedListSymbol= NewSymbol (list_type);
UnboxedListSymbol->symb_head_strictness=3;
UnboxedListSymbol->symb_tail_strictness=0;
TailStrictListSymbol= NewSymbol (list_type);
TailStrictListSymbol->symb_head_strictness=0;
TailStrictListSymbol->symb_tail_strictness=1;
StrictTailStrictListSymbol= NewSymbol (list_type);
StrictTailStrictListSymbol->symb_head_strictness=2;
StrictTailStrictListSymbol->symb_tail_strictness=1;
UnboxedTailStrictListSymbol= NewSymbol (list_type);
UnboxedTailStrictListSymbol->symb_head_strictness=3;
UnboxedTailStrictListSymbol->symb_tail_strictness=1;
StrictConsSymbol= NewSymbol (cons_symb);
StrictConsSymbol->symb_head_strictness=2;
StrictConsSymbol->symb_tail_strictness=0;
UnboxedConsSymbol= NewSymbol (cons_symb);
UnboxedConsSymbol->symb_head_strictness=3;
UnboxedConsSymbol->symb_tail_strictness=0;
TailStrictConsSymbol= NewSymbol (cons_symb);
TailStrictConsSymbol->symb_head_strictness=0;
TailStrictConsSymbol->symb_tail_strictness=1;
StrictTailStrictConsSymbol= NewSymbol (cons_symb);
StrictTailStrictConsSymbol->symb_head_strictness=2;
StrictTailStrictConsSymbol->symb_tail_strictness=1;
UnboxedTailStrictConsSymbol= NewSymbol (cons_symb);
UnboxedTailStrictConsSymbol->symb_head_strictness=3;
UnboxedTailStrictConsSymbol->symb_tail_strictness=1;
StrictNilSymbol = NewSymbol (nil_symb);
StrictNilSymbol->symb_head_strictness=2;
StrictNilSymbol->symb_tail_strictness=0;
UnboxedNilSymbol = NewSymbol (nil_symb);
UnboxedNilSymbol->symb_head_strictness=3;
UnboxedNilSymbol->symb_tail_strictness=0;
TailStrictNilSymbol = NewSymbol (nil_symb);
TailStrictNilSymbol->symb_head_strictness=0;
TailStrictNilSymbol->symb_tail_strictness=1;
StrictTailStrictNilSymbol = NewSymbol (nil_symb);
StrictTailStrictNilSymbol->symb_head_strictness=2;
StrictTailStrictNilSymbol->symb_tail_strictness=1;
UnboxedTailStrictNilSymbol = NewSymbol (nil_symb);
UnboxedTailStrictNilSymbol->symb_head_strictness=3;
UnboxedTailStrictNilSymbol->symb_tail_strictness=1;
#endif
ApplySymbol = NewSymbol (apply_symb);
FailSymbol = NewSymbol (fail_symb);
clear_p_at_node_tree();
} /* InitParser */
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