C*********************************************************************** C C BUILTINS.FOR C C C D I S C L A I M E R N O T I C E C ------------------- ----------- C C This document and/or portions of the material and data furnished C herewith, was developed under sponsorship of the U. S. Government. C Neither the U.S. nor the U.S.D.O.E., nor the Leland Stanford Junior C University, nor their employees, nor their respective contractors, C subcontractors, or their employees, makes any warranty, express or C implied, or assumes any liability or responsibility for accuracy, C completeness or usefulness of any information, apparatus, product C or process disclosed, or represents that its use will not infringe C privately-owned rights. Mention of any product, its manufacturer, C or suppliers shall not, nor is it intended to, imply approval, dis- C approval, or fitness for any particular use. The U. S. and the C University at all times retain the right to use and disseminate same C for any purpose whatsoever. Such distribution shall be made by the C National Energy Software Center at the Argonne National Laboratory C and only subject to the distributee furnishing satisfactory proof C that he has a valid license from the Intel Corporation in effect. C C C----------------------------------------------------------------------- C C This module of the PL/M-VAX compiler handles those built-in C functions which potentially generate in-line code. C C----------------------------------------------------------------------- C C R E V I S I O N H I S T O R Y C C 29SEP81 Alex Hunter 1. Implement the FIRST function. (V5.3) C 2. Allow LENGTH,FIRST,LAST,SIZE to be >64K. C 3. Choose correct value of SP for STACK$PTR. C 21OCT81 Alex Hunter 1. Implement %_signed and %_unsigned. (V5.5) C 10NOV81 Alex Hunter 1. Determine procedure side effects. (V6.0) C 12NOV81 Alex Hunter 1. Implement LAST(MEMORY), et al. (V6.1) C C*********************************************************************** INTEGER*2 FUNCTION BUILTIN_FUNCTION(DPIX) INCLUDE 'PLMCOM.FOR/NOLIST' INTEGER*4 LENGTH,SIZE,LOWER_BOUND COMMON /BUILTINS/ SYM_SUBS,MEM_SUBS PIX=DPIX IF (SYMBOL_PLM_ID(PIX).EQ.'LENGTH'.OR. # SYMBOL_PLM_ID(PIX).EQ.'FIRST'.OR. # SYMBOL_PLM_ID(PIX).EQ.'LAST') THEN CALL MATCH(D_LP) IF (TT.EQ.FIXCON.OR.TT.EQ.FLOATCON.OR.TT.EQ.STRCON) THEN LENGTH=1 LOWER_BOUND=0 CALL GETTOK ELSE CALL MUSTBE(ID) CALL LOOKUP_SYMBOL CALL PUSH(PIX,1) ARG=DATA_REFERENCE(0,.TRUE.) CALL POP(PIX,1) IF ((SYMBOL_FLAGS(SYMBOL_INDEX).AND.S_SPECIAL).NE.0.AND. # SYMBOL_PLM_ID(PIX).NE.'FIRST') THEN IF (SYMBOL_PLM_ID(SYMBOL_INDEX).EQ.'MEMORY') THEN IF (SYMBOL_PLM_ID(PIX).EQ.'LENGTH') THEN SYM=SYM_MLEN ELSE SYM=SYM_MLAST ENDIF ELSE IF (SYMBOL_PLM_ID(PIX).EQ.'LENGTH') THEN SYM=SYM_SLEN ELSE SYM=SYM_SLAST ENDIF ENDIF BUILTIN_FUNCTION=MAKE_ATOM(SYM,0,NULL,NULL,S_LONG,0,0) GO TO 10 ELSEIF (MEMBER_INDEX.EQ.0) THEN IF (SYM_SUBS.EQ.NULL) THEN LENGTH=SYMBOL_NBR_ELEMENTS(SYMBOL_INDEX) LOWER_BOUND=SYMBOL_LOWER_BOUND(SYMBOL_INDEX) ELSE LENGTH=1 LOWER_BOUND=0 ENDIF ELSE IF (MEM_SUBS.EQ.NULL) THEN LENGTH=MEMBER_NBR_ELEMENTS(MEMBER_INDEX) LOWER_BOUND=MEMBER_LOWER_BOUND(MEMBER_INDEX) ELSE LENGTH=1 LOWER_BOUND=0 ENDIF ENDIF ENDIF IF (SYMBOL_PLM_ID(PIX).EQ.'LENGTH') THEN BUILTIN_FUNCTION=MAKE_FIXED(LENGTH,S_LONG) ELSEIF (SYMBOL_PLM_ID(PIX).EQ.'FIRST') THEN BUILTIN_FUNCTION=MAKE_FIXED(LOWER_BOUND,S_LONG) ELSE BUILTIN_FUNCTION=MAKE_FIXED(LOWER_BOUND+LENGTH-1,S_LONG) ENDIF 10 CALL MATCH(D_RP) ELSEIF (SYMBOL_PLM_ID(PIX).EQ.'SIZE') THEN CALL MATCH(D_LP) IF (TT.EQ.FIXCON) THEN IF (FIXVAL.LE.255) THEN SIZE=1 ELSEIF (FIXVAL.LE.'FFFF'X) THEN SIZE=2 ELSE SIZE=4 ENDIF CALL GETTOK ELSEIF (TT.EQ.FLOATCON) THEN SIZE=4 CALL GETTOK ELSEIF (TT.EQ.STRCON) THEN SIZE=STRLEN CALL GETTOK ELSE CALL MUSTBE(ID) CALL LOOKUP_SYMBOL CALL PUSH(PIX,1) ARG=DATA_REFERENCE(0,.TRUE.) CALL POP(PIX,1) IF ((SYMBOL_FLAGS(SYMBOL_INDEX).AND.S_SPECIAL).NE.0) THEN IF (SYMBOL_PLM_ID(SYMBOL_INDEX).EQ.'MEMORY') THEN SYM=SYM_MSIZ ELSE SYM=SYM_SSIZ ENDIF BUILTIN_FUNCTION=MAKE_ATOM(SYM,0,NULL,NULL,S_LONG,0,0) GO TO 20 ELSEIF (MEMBER_INDEX.EQ.0) THEN IF (SYM_SUBS.EQ.NULL) THEN SIZE=SYMBOL_NBR_ELEMENTS(SYMBOL_INDEX) SIZE=SIZE*SYMBOL_ELEMENT_SIZE(SYMBOL_INDEX) ELSE SIZE=SYMBOL_ELEMENT_SIZE(SYMBOL_INDEX) ENDIF ELSE IF (MEM_SUBS.EQ.NULL) THEN SIZE=MEMBER_NBR_ELEMENTS(MEMBER_INDEX)* # MEMBER_ELEMENT_SIZE(MEMBER_INDEX) ELSE SIZE=MEMBER_ELEMENT_SIZE(MEMBER_INDEX) ENDIF ENDIF ENDIF BUILTIN_FUNCTION=MAKE_FIXED(SIZE,S_LONG) 20 CALL MATCH(D_RP) ELSEIF (SYMBOL_PLM_ID(PIX).EQ.'STACKPTR') THEN IF (MODEL.EQ.2 .OR. MODEL.EQ.4) THEN SP=14 ELSE SP=10 ENDIF BUILTIN_FUNCTION=MAKE_REGISTER(SP,S_PTR) ELSEIF (SYMBOL_PLM_ID(PIX).EQ.'FRAMEPTR') THEN BUILTIN_FUNCTION=MAKE_REGISTER(13,S_PTR) ELSEIF (SYMBOL_PLM_ID(PIX)(1:2).EQ.'$_' .OR. # SYMBOL_PLM_ID(PIX).EQ.'DOUBLE' .OR. # SYMBOL_PLM_ID(PIX).EQ.'LOW' .OR. # SYMBOL_PLM_ID(PIX).EQ.'FLOAT' .OR. # SYMBOL_PLM_ID(PIX).EQ.'FIX' .OR. # SYMBOL_PLM_ID(PIX).EQ.'INT' .OR. # SYMBOL_PLM_ID(PIX).EQ.'SIGNED' .OR. # SYMBOL_PLM_ID(PIX).EQ.'UNSIGN') THEN CALL MATCH(D_LP) CALL PUSH(PIX,1) ARG=EXPRESSION(1) CALL POP(PIX,1) CALL MATCH(D_RP) IF (SYMBOL_PLM_ID(PIX).EQ.'$_SIGNED') THEN BUILTIN_FUNCTION=MAKE_NODE(OP_SIGNED,ARG,NULL,0,0,0) ELSEIF (SYMBOL_PLM_ID(PIX).EQ.'$_UNSIGNED') THEN BUILTIN_FUNCTION=MAKE_NODE(OP_UNSIGNED,ARG,NULL,0,0,0) ELSE IF (SYMBOL_PLM_ID(PIX).EQ.'INT' .OR. # SYMBOL_PLM_ID(PIX).EQ.'SIGNED') THEN ARG=MAKE_NODE(OP_WORD,ARG,NULL,S_WORD,0,0) ELSEIF (SYMBOL_PLM_ID(PIX).EQ.'UNSIGN') THEN ARG=MAKE_NODE(OP_INTEGER,ARG,NULL,S_INTEGER,0,0) ENDIF BUILTIN_FUNCTION=MAKE_NODE(OP_BYTE+SYMBOL_TYPE(PIX)-S_BYTE, # ARG,NULL,SYMBOL_TYPE(PIX),0,0) ENDIF ELSE CALL ERROR('UNIMPLEMENTED BUILTIN FUNCTION: '// # SYMBOL_PLM_ID(PIX)) BUILTIN_FUNCTION=NULL ENDIF CALL DETERMINE_EFFECTS_OF_CALLING(PIX) RETURN END