MODULE************************************************************************* Copyright (C) Olivetti 1989 All Rights reserved Use and copy of this software and preparation of derivative works based upon this software are permitted to any person, provided this same copyright notice and the following Olivetti warranty disclaimer are included in any copy of the software or any modification thereof or derivative work therefrom made by any person. This software is made available AS IS and Olivetti disclaims all warranties with respect to this software, whether expressed or implied under any law, including all implied warranties of merchantibility and fitness for any purpose. In no event shall Olivetti be liable for any damages whatsoever resulting from loss of use, data or profits or otherwise arising out of or in connection with the use or performance of this software. *************************************************************************; M3CBrand
Copyright (C) 1991, Digital Equipment Corporation All rights reserved. See the file COPYRIGHT for a full description.
IMPORT Text, TextExtras, Fmt; IMPORT AST, M3AST_AS, M3AST_SM; IMPORT M3AST_LX_F, M3AST_AS_F, M3AST_SM_F; IMPORT ASTWalk; IMPORT M3CId, M3CLiteral, M3CSrcPos; IMPORT M3CBackEnd; REVEAL Handle = BRANDED REF RECORD unitId: M3AST_AS.UNIT_ID; unitBody: M3AST_AS.Block; block: M3AST_AS.Block; typeDecl: M3AST_AS.Concrete_decl; revelation: M3AST_AS.Concrete_reveal; count := 0; END; PROCEDURENewHandle ( unit: M3AST_AS.UNIT_NORMAL; block: M3AST_AS.Block := NIL; typeDecl: M3AST_AS.Concrete_decl := NIL; revelation: M3AST_AS.Concrete_reveal := NIL) : Handle RAISES {}= BEGIN RETURN NEW(Handle, unitId := unit.as_id, unitBody := unit.as_block, block := block, typeDecl := typeDecl, revelation := revelation); END NewHandle; <*INLINE*> PROCEDUREUnitSep (unitId: M3AST_AS.UNIT_ID): Text.T RAISES {}= BEGIN IF ISTYPE(unitId, M3AST_AS.Module_id) THEN RETURN ","; ELSE RETURN "."; END; END UnitSep; <*INLINE*> PROCEDUREUnitText (unitId: M3AST_AS.UNIT_ID): Text.T RAISES {}= BEGIN IF unitId.lx_symrep = NIL THEN RETURN "" END; RETURN M3CId.ToText(unitId.lx_symrep); END UnitText; PROCEDUREUnnamedBrand ( unitId: M3AST_AS.UNIT_ID; srcPos: M3CSrcPos.T) : M3AST_SM.Exp_value RAISES {}= VAR unitSep := UnitSep(unitId); pos: CARDINAL; line := M3CSrcPos.Unpack(srcPos, pos); BEGIN RETURN TextToExp_value(TextExtras.Join( UnitText(unitId), unitSep, Fmt.Int(line), unitSep, Fmt.Int(pos))); END UnnamedBrand; PROCEDURENamedBrand ( unitId: M3AST_AS.UNIT_ID; typeId: M3AST_AS.Type_id; VAR count: INTEGER) : M3AST_SM.Exp_value RAISES {}= VAR unitSep := UnitSep(unitId); unitText := UnitText(unitId); typeText := M3CId.ToText(typeId.lx_symrep); result: Text.T; BEGIN IF count = 0 THEN result := TextExtras.Join(unitText, unitSep, typeText); ELSE result := TextExtras.Join(unitText, unitSep, typeText, unitSep, Fmt.Int(count)); END; INC(count); RETURN TextToExp_value(result); END NamedBrand; PROCEDURETextToExp_value (t: TEXT): M3AST_SM.Exp_value RAISES {}= VAR er: M3AST_SM.Exp_value; text_lit: M3AST_AS.Text_literal := NEW(M3AST_AS.Text_literal).init(); BEGIN text_lit.lx_litrep := M3CLiteral.Enter( TextExtras.Join("\"", t, "\"")); EVAL M3CBackEnd.LiteralValue(text_lit, er); RETURN er END TextToExp_value; PROCEDURESet (h: Handle; n: AST.NODE; vm: ASTWalk.VisitMode) RAISES {}= BEGIN TYPECASE n OF | M3AST_AS.Block(block) => IF vm = ASTWalk.VisitMode.Entry THEN IF block # h.unitBody AND h.block = NIL THEN h.block := block END; ELSE IF block = h.block THEN h.block := NIL END; END; | M3AST_AS.Concrete_decl(typeDecl) => IF vm = ASTWalk.VisitMode.Entry THEN h.count := 0; h.typeDecl := typeDecl; ELSE h.typeDecl := NIL; END; | M3AST_AS.Concrete_reveal(revelation) => IF vm = ASTWalk.VisitMode.Entry THEN h.count := 0; h.revelation := revelation; ELSE h.revelation := NIL; END; | M3AST_AS.Brand(brand) => IF vm = ASTWalk.VisitMode.Entry THEN IF brand.as_exp = NIL THEN IF h.typeDecl # NIL AND h.block = NIL THEN (* Top level type declaration *) IF h.typeDecl.as_id.lx_symrep # NIL THEN brand.sm_brand := NamedBrand(h.unitId, h.typeDecl.as_id, h.count); END; ELSIF h.revelation # NIL THEN (* Revelation (bound to be top level) *) TYPECASE h.revelation.as_qual_id.as_id.sm_def OF | NULL => | M3AST_AS.Type_id(typeId) => brand.sm_brand := NamedBrand(h.unitId, typeId, h.count); ELSE END; ELSE brand.sm_brand := UnnamedBrand(h.unitId, brand.lx_srcpos); END; (* if *) ELSE brand.sm_brand := brand.as_exp.sm_exp_value; END; (* if *) END; ELSE END; (* typecase *) END Set; BEGIN END M3CBrand.