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symtabdefs.mESA 24-0CT-77 18:55:07 P<.lgo 1

-- file SymTabDefs.Mesa
-- last modified by Satterthwaite, August 16, 1977 11:22 AM
DIRECTORY
StringDefs: FROM "stringdefs",
SymDefs: FROM "symdefs";
SymTabDefs: DEFINITIONS =
8EGIN
OPEN SymDefs;
-- implemented by Symbol Table
-- hash manipulation
FindString: PROCEDURE [StringDefs.SubString] RETURNS [found: BOOLEAN, hti: HTIndex];
hashforse: PROCEDURE [ISEIndex] RETURNS [HTIndex];
hashvalue: PROCEDURE [StringDefs.SubString] RETURNS [HVIndex]:
SubStringForHash: PROCEDURE [StringDefs.SubString, HTIndex];
-- context management
firstctxse: PROCEDURE [CTXIndex] RETURNS [ISEIndex];
nextse: PROCEDURE [ISEIndex] RETURNS [ISEIndex]:
searchcontext: PROCEDURE [hti: HTIndex, ctx: CTXIndex] RETURNS [found: BOOLEAN, sei: ISEIndex];
-- type manipulation
undertype: PROCEDURE [SEIndex] RETURNS [CSEIndex];
typeclass: PROCEDURE [SEIndex] RETURNS [TypeClass]:
xfermode: PROCEDURE [SEIndex] RETURNS (TransferMode];
wordsfortype, cardinality: PROCEDURE [SEIndex] RETURNS [CARDINAL];

-- implemented by SymTab (extensions for building tables)
symtabinit, symtaberase: PROCEDURE;
-- hash manipulation
EnterString: PROCEDURE [StringDefs.SubString] RETURNS [HTIndex];
hashblock: PROCEDURE RETURNS [base: POINTER, length: CARDINAL];
-- context management
nextlevel: PROCEDURE [ContextLevel] RETURNS [ContextLevel];
makenewctx: PROCEDURE [ContextLevel] RETURNS [CTXIndex];
resetctxlist: PROCEDURE [CTXIndex]:
ctxentries: PROCEDURE [CTXIndex] RETURNS [CARDINAL];
firstvisiblese: PROCEDURE[CTXIndex] RETURNS [ISEIndex]:
visiblectxentries: PROCEDURE [CTXIndex] RETURNS [CARDINAL];
contextvariant: PROCEDURE [CTXIndex] RETURNS [ISEIndex]:
StaticNestError: SIGNAL;
fnfield: PROCEDURE [ISEIndex] RETURNS [offset: bitaddress, size: CARDINAL]:
makectxse: PROCEDURE [hti: HTIndex, ctx: CTXlndex] RETURNS [ISEIndex]:
makenonctxse: PROCfDURE [CARDINAL] RETURNS [CSEIndex];
makeSECha in: PROCfDURE [CTXlndex, CARDINAL, ROOLfAN] RETURNS [ISEIndex];
fillctxse: PROcrOURE [ISETndex, HTTndex, ROOLEAN];
NameCl ash: STGNAl [ht i: tHTndex];
setselink: !1RocrouRr [sei, next: TSEIndex];
-- type manipulation
typerool: PROCrOURr [SrTndex] RrTURNS [CSrTndex]:
lypellnk: PRocrouRr [SrIndex] RrTURNS [SEIndex];
recordl ink, recordrool: PROC[f)URr [recordCSrTndex] RfTURNS [recordCS[Tndex]:
-- atlrlbute tesling
ConslanlId: PROCff)URr [TSETndex] RrTURNS [BOOI rAN]:
symtabdefs.mESA 24-QCT-77 18:66:07 Page 2

END