mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-04 13:23:26 +01:00
b1264ef1e3
Signed-off-by: Sergey Isakov <isakov-sl@bk.ru>
485 lines
17 KiB
C
Executable File
485 lines
17 KiB
C
Executable File
/*
|
|
* globals.c -- File containing all variables/tables visible to all files.
|
|
*
|
|
* SOFTWARE RIGHTS
|
|
*
|
|
* We reserve no LEGAL rights to the Purdue Compiler Construction Tool
|
|
* Set (PCCTS) -- PCCTS is in the public domain. An individual or
|
|
* company may do whatever they wish with source code distributed with
|
|
* PCCTS or the code generated by PCCTS, including the incorporation of
|
|
* PCCTS, or its output, into commerical software.
|
|
*
|
|
* We encourage users to develop software with PCCTS. However, we do ask
|
|
* that credit is given to us for developing PCCTS. By "credit",
|
|
* we mean that if you incorporate our source code into one of your
|
|
* programs (commercial product, research project, or otherwise) that you
|
|
* acknowledge this fact somewhere in the documentation, research report,
|
|
* etc... If you like PCCTS and have developed a nice tool with the
|
|
* output, please mention that you developed it using PCCTS. In
|
|
* addition, we ask that this header remain intact in our source code.
|
|
* As long as these guidelines are kept, we expect to continue enhancing
|
|
* this system and expect to make other tools available as they are
|
|
* completed.
|
|
*
|
|
* ANTLR 1.33
|
|
* Terence Parr
|
|
* Parr Research Corporation
|
|
* with Purdue University and AHPCRC, University of Minnesota
|
|
* 1989-2001
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "pcctscfg.h"
|
|
|
|
#include "set.h"
|
|
#include "syn.h"
|
|
#include "hash.h"
|
|
#include "generic.h"
|
|
|
|
char Version[] = "1.33MR33" ; /* PCCTS version number */ /* MRXXX */
|
|
char VersionDef[] = "13333"; /* same (except int equiv for preproc symbol) */ /* MRXXX */
|
|
|
|
char LexStartSymbol[] = "START";/* Name of starting lexical class/automaton */
|
|
char *RemapFileName = "remap.h";
|
|
char *DlgFileName = "parser.dlg";
|
|
char *DefFileName = "tokens.h";
|
|
char *ErrFileName = "err.c";
|
|
char *ModeFileName = "mode.h";
|
|
char *StdMsgName = NULL;
|
|
|
|
char *ParserName = DefaultParserName;
|
|
|
|
/* list of PCCTS supplied support symbols; these are renamed when more than
|
|
* one ANTLR-generated parsers are linked together to avoid name conflicts.
|
|
* Can't use '##' ANSIC preprocessor concat operator with K&R and:
|
|
* #define zzskip zzparser ## skip
|
|
* will not work for ANSI/C++ as 'zzparserskip' is created w/o zzparser
|
|
* being substituted--ack!!!
|
|
*/
|
|
char *StandardSymbols[] = {
|
|
/* ANTLR stuff */
|
|
"zzStackOvfMsg",
|
|
"zzasp",
|
|
"zzaStack",
|
|
"inf_tokens",
|
|
"inf_text",
|
|
"inf_text_buffer",
|
|
"inf_text_buffer_ptr",
|
|
"inf_text_buffer_size",
|
|
"inf_labase",
|
|
"inf_last",
|
|
"inf_lap",
|
|
"zztokenLA",
|
|
"zztextLA",
|
|
"zzlap",
|
|
"zzlabase",
|
|
"zztoktext",
|
|
"zztoken",
|
|
"zzdirty",
|
|
"zzguessing",
|
|
"zzguess_start",
|
|
"zzresynch",
|
|
"zzinf_tokens",
|
|
"zzinf_text",
|
|
"zzinf_text_buffer",
|
|
"zzinf_labase",
|
|
"zzinf_last",
|
|
"zzfill_inf_look",
|
|
"zzFAIL",
|
|
"zzsave_antlr_state",
|
|
"zzrestore_antlr_state",
|
|
"zzsyn",
|
|
"zzset_el",
|
|
"zzset_deg",
|
|
"zzedecode",
|
|
"_zzsetmatch",
|
|
"_zzmatch",
|
|
"_inf_zzgettok",
|
|
"zzconsumeUntil",
|
|
"zzconsumeUntilToken",
|
|
"_zzmatch_wsig",
|
|
"_zzsetmatch_wsig",
|
|
"_zzmatch_wdfltsig",
|
|
"_zzsetmatch_wdfltsig",
|
|
"zzdflthandlers",
|
|
/* DLG stuff */
|
|
"zzreal_line",
|
|
"zzcharfull",
|
|
"zzerr",
|
|
"zzlextext",
|
|
"zzbegexpr",
|
|
"zzendexpr",
|
|
"zzbufsize",
|
|
"zzbegcol",
|
|
"zzendcol",
|
|
"zzline",
|
|
"zzchar",
|
|
"zzbufovf",
|
|
"zzrdstream",
|
|
"zzrdfunc",
|
|
"zzrdstr",
|
|
"zzclose_stream",
|
|
"zzsave_dlg_state",
|
|
"zzrestore_dlg_state",
|
|
"zzmode",
|
|
"zzskip",
|
|
"zzmore",
|
|
"zzreplchar",
|
|
"zzreplstr",
|
|
"zzgettok",
|
|
"zzadvance",
|
|
"zzerrstd",
|
|
"zzerr_in",
|
|
"zzconstr_attr",
|
|
"zzempty_attr",
|
|
"zzerraction",
|
|
"zztokens", /* list of token regular expressions */
|
|
"dfa",
|
|
"accepts",
|
|
"actions",
|
|
"zzTraceOptionValue", /* MR10 */
|
|
"zzTraceGuessOptionValue", /* MR10 */
|
|
"zzTraceCurrentRuleName", /* MR10 */
|
|
"zzTraceDepth", /* MR10 */
|
|
"zzGuessSeq", /* MR10 */
|
|
"zzSyntaxErrCount", /* MR11 */
|
|
"zzLexErrCount", /* MR11 */
|
|
"zzTraceGuessDone", /* MR13 - BJS */
|
|
"zzTraceGuessFail", /* MR13 - BJS */
|
|
"zzTraceGuessOption", /* MR13 - BJS */
|
|
"zzTraceIn", /* MR13 - BJS */
|
|
"zzTraceOption", /* MR13 - BJS */
|
|
"zzTraceOut", /* MR13 - BJS */
|
|
"zzTraceReset", /* MR13 - BJS */
|
|
NULL /* must be present */
|
|
};
|
|
|
|
/* list of PCCTS supplied support functions; these are renamed when more than
|
|
* one ANTLR-generated parsers are linked together to avoid name conflicts.
|
|
*/
|
|
char *ASTSymbols[] = {
|
|
"AST",
|
|
"zzast_sp",
|
|
"zzastStack",
|
|
"zzlink",
|
|
"zzastnew",
|
|
"zzsubchild",
|
|
"zzsubroot",
|
|
"zzpre_ast",
|
|
"zzfree_ast",
|
|
"zztmake",
|
|
"zzdup_ast",
|
|
"zztfree",
|
|
"zzdouble_link",
|
|
NULL /* must be present */
|
|
};
|
|
|
|
/* Current ambiguity examination information */
|
|
int CurAmbigAlt1, CurAmbigAlt2, CurAmbigline, CurAmbigfile;
|
|
char *CurAmbigbtype;
|
|
|
|
|
|
/* M e t h o d T a b l e s */
|
|
/*
|
|
* The following tables are used to fill syntax diagram nodes with the correct
|
|
* function pointers for computing FIRST sets and printing themselves.
|
|
*/
|
|
|
|
/* fpTraverse[node type] == pointer to function that calculates trees
|
|
* representing the FIRST sets for that node (maintains spatial info).
|
|
* We use 'struct _tree' not 'tree' due to a g++ 2.4.3 bug.
|
|
*/
|
|
#ifdef __cplusplus
|
|
struct _tree *(*fpTraverse[NumNodeTypes+1])(... /* Node *, int, set * */) = {
|
|
NULL,
|
|
(struct _tree *(*)(...)) tJunc,
|
|
(struct _tree *(*)(...)) tRuleRef,
|
|
(struct _tree *(*)(...)) tToken,
|
|
(struct _tree *(*)(...)) tAction
|
|
};
|
|
#else
|
|
Tree *(*fpTraverse[NumNodeTypes+1])() = {
|
|
NULL,
|
|
tJunc,
|
|
tRuleRef,
|
|
tToken,
|
|
tAction
|
|
};
|
|
#endif
|
|
|
|
/* fpReach[node type] == pointer to function that calculates FIRST set for
|
|
* that node. (r stands for reach). We use 'struct _set' not 'set'
|
|
* due to a g++ 2.4.3 bug.
|
|
*/
|
|
#ifdef __cplusplus
|
|
struct _set (*fpReach[NumNodeTypes+1])(... /* Node *, int, set * */) = {
|
|
NULL,
|
|
(struct _set (*)(...)) rJunc,
|
|
(struct _set (*)(...)) rRuleRef,
|
|
(struct _set (*)(...)) rToken,
|
|
(struct _set (*)(...)) rAction
|
|
};
|
|
#else
|
|
set (*fpReach[NumNodeTypes+1])() = {
|
|
NULL,
|
|
rJunc,
|
|
rRuleRef,
|
|
rToken,
|
|
rAction
|
|
};
|
|
#endif
|
|
|
|
/* fpPrint[node type] == pointer to function that knows how to print that node. */
|
|
#ifdef __cplusplus
|
|
void (*fpPrint[NumNodeTypes+1])(... /* Node * */) = {
|
|
NULL,
|
|
(void (*)(...)) pJunc,
|
|
(void (*)(...)) pRuleRef,
|
|
(void (*)(...)) pToken,
|
|
(void (*)(...)) pAction
|
|
};
|
|
#else
|
|
void (*fpPrint[NumNodeTypes+1])() = {
|
|
NULL,
|
|
pJunc,
|
|
pRuleRef,
|
|
pToken,
|
|
pAction
|
|
};
|
|
#endif
|
|
|
|
char *decodeJType[] = {
|
|
"invalid",
|
|
"aSubBlk",
|
|
"aOptBlk",
|
|
"aLoopBlk",
|
|
"EndBlk",
|
|
"RuleBlk",
|
|
"Generic",
|
|
"EndRule",
|
|
"aPlusBlk",
|
|
"aLoopBegin"
|
|
};
|
|
|
|
|
|
/* H a s h T a b l e s */
|
|
|
|
Entry **Tname, /* Table of all token names (maps name to tok num)*/
|
|
**Texpr, /* Table of all token expressions
|
|
(maps expr to tok num) */
|
|
**Rname, /* Table of all Rules (has ptr to start of rule) */
|
|
**Fcache, /* Cache of First/Follow Computations */
|
|
**Tcache; /* Tree cache; First/Follow for permute trees */
|
|
Entry **Elabel; /* Table of all element label names */
|
|
Entry **Sname; /* Signal names */
|
|
Entry **Pname; /* symbolic predicate names MR11 */
|
|
|
|
|
|
/* V a r i a b l e s */
|
|
|
|
int Save_argc; /* MR10 */
|
|
char **Save_argv; /* MR10 */
|
|
int EpToken=0; /* Imaginary Epsilon token number */
|
|
int WildCardToken=0;
|
|
int CurFile= -1; /* Index into FileStr table */
|
|
char *CurPredName=NULL; /* MR11 */
|
|
char *CurRule=NULL; /* Pointer to current rule name */
|
|
int CurRuleDebug=0; /* MR13 debug flag */
|
|
RuleEntry *CurRuleNode=NULL;/* Pointer to current rule node in syntax tree */
|
|
char *CurRetDef=NULL; /* Pointer to current return type definition */
|
|
char *CurParmDef=NULL; /* Pointer to current parameter definition */
|
|
Junction *CurRuleBlk=NULL; /* Pointer to current block node for enclosing block */
|
|
ListNode *CurExGroups=NULL; /* Current list of exception groups for rule/alts */
|
|
ListNode *CurElementLabels=NULL;
|
|
ListNode *CurAstLabelsInActions=NULL; /* MR27 */
|
|
|
|
/* MR10 used by <<>>? to set "label_used_in_semantic_pred" */
|
|
/* MR10 this will force LT(i) assignment even in guess mode */
|
|
|
|
ListNode *CurActionLabels=NULL; /* MR10 Element Labels appearing in last action */
|
|
int numericActionLabel=0 ; /* MR10 << ... $1 ... >> or << ... $1 ... >>? */
|
|
ListNode *NumericPredLabels=NULL; /* MR10 << ... $1 ... >>? ONLY */
|
|
ListNode *ContextGuardPredicateList=NULL; /* MR13 for re-evaluating predicates
|
|
after meta tokens are defined */
|
|
|
|
int CurBlockID=0; /* Unique int for each block */
|
|
int CurAltNum=0;
|
|
Junction *CurAltStart = NULL; /* Junction node that starts the alt */
|
|
Junction *OuterAltStart = NULL; /* For chaining exception groups MR7 */
|
|
int NumRules=0; /* Rules are from 1 to n */
|
|
FILE *output=NULL; /* current parser output file */
|
|
FILE *input=NULL; /* current grammar input file */
|
|
char *FileStr[MaxNumFiles];/* Ptr to array of file names on command-line */
|
|
int NumFiles=0; /* current grammar file number */
|
|
#ifdef __cplusplus
|
|
void (**fpTrans)(...), /* array of ptrs to funcs that translate nodes */
|
|
(**fpJTrans)(...); /* ... that translate junctions */
|
|
#else
|
|
void (**fpTrans)(), /* array of ptrs to funcs that translate nodes */
|
|
(**fpJTrans)(); /* ... that translate junctions */
|
|
#endif
|
|
int **FoStack; /* Array of LL_k ptrs to stacks of rule numbers */
|
|
int **FoTOS; /* FOLLOW stack top-of-stack pointers */
|
|
Junction *SynDiag = NULL; /* Pointer to start of syntax diagram */
|
|
int BlkLevel=1; /* Current block level. Set by antlr.g, used by
|
|
* scanner to translate $i.j attributes */
|
|
set reserved_positions; /* set of token positions reserved by '#token T=i' cmds */
|
|
set all_tokens; /* set of all token types */
|
|
set imag_tokens; /* set of all imaginary token types (EpToken, errclasses...) */
|
|
set tokclasses; /* set of all token class token types */
|
|
ListNode *ForcedTokens = 0; /* list of token_id/token_num pairs to remap */
|
|
ListNode *MetaTokenNodes=NULL; /* list of meta token refs such as token classes etc... */
|
|
int *TokenInd=NULL; /* an indirection level between token num and position
|
|
* of that token def in TokenStr and ExprStr */
|
|
int LastTokenCounted=0; /* ==TokenNum if no token renumbering (same as old TokenNum) */
|
|
int TokenNum=TokenStart;
|
|
char **TokenStr=NULL; /* map token # to token name */
|
|
char **ExprStr=NULL; /* map token # to expr */
|
|
Junction **RulePtr=NULL; /* map rule # to RuleBlk node of rule */
|
|
ListNode *ExprOrder=NULL; /* list of exprs as they are found in grammar */
|
|
ListNode *BeforeActions=NULL;/* list of grammar actions before rules */
|
|
ListNode *AfterActions=NULL;/* list of grammar actions after rules */
|
|
ListNode *LexActions=NULL; /* list of lexical actions */
|
|
|
|
/* MR1 */
|
|
/* MR1 11-Apr-97 Provide mechanism for inserting code into DLG class */
|
|
/* MR1 via #lexmember <<....>> */
|
|
/* MR1 via #lexprefix <<....>> */
|
|
/* MR1 */
|
|
|
|
ListNode *LexMemberActions=NULL;/* list of lexical header member decl MR1 */
|
|
ListNode *LexPrefixActions=NULL;/* list of lexical header #include decl MR1 */
|
|
ListNode **Cycles=NULL; /* list of cycles (for each k) found when
|
|
doing FOLLOWs */
|
|
ListNode *eclasses=NULL; /* list of error classes */
|
|
ListNode *tclasses=NULL; /* list of token classes */
|
|
LClass lclass[MaxLexClasses]; /* array of lex class definitions */
|
|
int CurrentLexClass; /* index into lclass */
|
|
int NumLexClasses=0; /* in range 1..MaxLexClasses (init 0) */
|
|
|
|
char *HdrAction=NULL; /* action defined with #header */
|
|
char *FirstAction=NULL; /* action defined with #first MR11 */
|
|
FILE *ErrFile; /* sets and error recovery stuff */
|
|
FILE *DefFile=NULL; /* list of tokens, return value structs, setwd defs */
|
|
FILE *MRinfoFile=NULL; /* MR10 information file */
|
|
int MRinfo=0; /* MR10 */
|
|
int MRinfoSeq=0; /* MR10 */
|
|
int InfoP=0; /* MR10 predicates */
|
|
int InfoT=0; /* MR10 tnodes */
|
|
int InfoF=0; /* MR10 first/follow sets */
|
|
int InfoM=0; /* MR10 monitor progress */
|
|
int InfoO=0; /* MR12 orphan rules */
|
|
int TnodesInUse=0; /* MR10 */
|
|
int TnodesPeak=0; /* MR10 */
|
|
int TnodesAllocated=0; /* MR10 */
|
|
int TnodesReportThreshold=0; /* MR11 */
|
|
int PotentialSuppression=0; /* MR10 */
|
|
int PotentialDummy=0; /* MR10 */
|
|
int CannotContinue=FALSE;
|
|
int OutputLL_k = 1; /* LL_k for parsing must be power of 2 */
|
|
int action_file; /* used to track start of action */
|
|
int action_line;
|
|
int FoundGuessBlk=0; /* there is a (...)? block somewhere in grammar */
|
|
int FoundException=0; /* there is an exception somewhere in grammar */
|
|
/* MR6 Distinguish between @ operator and real exception */
|
|
/* MR6 by keeping separate flags for @ operator and real exceptions */
|
|
int FoundAtOperator=0; /* MR6 */
|
|
int FoundExceptionGroup=0; /* MR6 */
|
|
int pLevel=0; /* print Level */
|
|
int pAlt1,pAlt2; /* print "==>" in front of these alts */
|
|
|
|
/* C++ output stuff */
|
|
FILE *Parser_h, /* where subclass of ANTLRParser goes */
|
|
*Parser_c; /* where code for subclass of ANTLRParser goes */
|
|
char Parser_h_Name[MaxFileName+1] = "";
|
|
char Parser_c_Name[MaxFileName+1] = "";
|
|
char MRinfoFile_Name[MaxFileName+1] = ""; /* MR10 */
|
|
char *ClassDeclStuff=NULL; /* MR10 */
|
|
char *BaseClassName=NULL; /* MR22 */
|
|
/* list of actions inside the #class {...} defs */
|
|
ListNode *class_before_actions=NULL;
|
|
ListNode *class_after_actions=NULL;
|
|
|
|
char CurrentClassName[MaxRuleName]="";
|
|
int no_classes_found=1;
|
|
char *UserTokenDefsFile;
|
|
int UserDefdTokens=0; /* found #tokdefs? */
|
|
char *OutputDirectory=TopDirectory;
|
|
ExceptionGroup *DefaultExGroup = NULL;
|
|
int NumSignals = NumPredefinedSignals;
|
|
int ContextGuardTRAV=0;
|
|
|
|
char *MR_AmbAidRule=NULL; /* MR11 */
|
|
int MR_AmbAidLine=0; /* MR11 */
|
|
int MR_AmbAidDepth=0; /* MR11 */
|
|
int MR_AmbAidMultiple=0; /* MR11 */
|
|
int MR_skipped_e3_report=0; /* MR11 */
|
|
int MR_usingPredNames=0; /* MR11 */
|
|
int MR_BadExprSets=0; /* MR13 */
|
|
int MR_Inhibit_Tokens_h_Gen=0; /* MR13 */
|
|
int NewAST=0; /* MR13 */
|
|
int tmakeInParser=0; /* MR23 */
|
|
int AlphaBetaTrace=0; /* MR14 */
|
|
int MR_BlkErr=0; /* MR21 */
|
|
int MR_AlphaBetaMessageCount=0; /* MR14 */
|
|
int MR_AlphaBetaWarning=0; /* MR14 */
|
|
int MR_ErrorSetComputationActive=0; /* MR14 */
|
|
int MR_MaintainBackTrace=0; /* MR14 */
|
|
set MR_CompromisedRules; /* MR14 */
|
|
|
|
Junction *MR_RuleBlkWithHalt; /* MR10 */
|
|
|
|
/* C m d - L i n e O p t i o n s */
|
|
|
|
int LL_k=1; /* how many tokens of full lookahead */
|
|
int CLL_k= -1; /* how many tokens of compressed lookahead */
|
|
int PrintOut = FALSE; /* print out the grammar */
|
|
int PrintAnnotate = FALSE;/* annotate printout with FIRST sets */
|
|
int CodeGen=TRUE; /* Generate output code? */
|
|
int LexGen=TRUE; /* Generate lexical files? (tokens.h, parser.dlg) */
|
|
int GenAST=FALSE; /* Generate AST's? */
|
|
int GenANSI=FALSE; /* Generate ANSI code where necessary */
|
|
int GenExprSetsOpt=TRUE;/* use sets not (LA(1)==tok) expression lists */
|
|
int GenCR=FALSE; /* Generate cross reference? */
|
|
int GenLineInfo=FALSE; /* Generate # line "file" stuff? */
|
|
int GenLineInfoMS=FALSE;/* Like -gl but replace "\" with "/" for MS C/C++ systems */
|
|
int TraceGen=FALSE; /* Generate code to trace rule invocation */
|
|
int elevel=1; /* error level for ambiguity messages */
|
|
int GenEClasseForRules=0;/* don't generate eclass for each rule */
|
|
int TreeResourceLimit= -1;/* don't limit tree resource */
|
|
int DemandLookahead = 0;/* demand/delayed lookahead or not */
|
|
char *RulePrefix = ""; /* prefix each generated rule with this */
|
|
char *stdpccts = "stdpccts.h";/* where to generate std pccts include file */
|
|
int GenStdPccts = 0; /* don't gen stdpccts.h? */
|
|
int ParseWithPredicates = 1;
|
|
int WarningLevel = 1;
|
|
int UseStdout = 0; /* MR6 */
|
|
int TabWidth = 2; /* MR6 */ /* MR27 */
|
|
int HoistPredicateContext = 0;
|
|
int MRhoisting = 0; /* MR9 */
|
|
int MRhoistingk = 0; /* MR13 */
|
|
int MR_debugGenRule=0; /* MR11 */
|
|
|
|
int GenCC = 0; /* Generate C++ output */
|
|
|
|
PointerStack MR_BackTraceStack={0,0,NULL}; /* MR10 */
|
|
PointerStack MR_PredRuleRefStack={0,0,NULL}; /* MR10 */
|
|
PointerStack MR_RuleBlkWithHaltStack={0,0,NULL}; /* MR10 */
|
|
|
|
/* DontCopyTokens and Pragma_DupLabeledTokens were a bad idea. I've just
|
|
turned them off rather than backpatching the code. Who knows? We
|
|
may need them in the future.
|
|
*/
|
|
int DontCopyTokens = 1; /* in C++, don't copy ANTLRToken passed to ANTLR */
|
|
|
|
/* Remember if LT(i), LA(i), or LATEXT(i) used in an action which is not
|
|
a predicate. If so, give a warning for novice users.
|
|
*/
|
|
|
|
int LTinTokenAction = 0; /* MR23 */
|
|
int PURIFY = 1; /* MR23 */
|
|
|
|
int CurBlockID_array[MAX_BLK_LEVEL]; /* MR23 */
|
|
int CurAltNum_array[MAX_BLK_LEVEL]; /* MR23 */
|