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HP SunSoft Pascal 4.0 manual 160

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136	Pascal 4.0 User’s Guide

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Pascal 4.0 User’s Guide Page Contents Page Page Page Page Page Page Page Page Page Page Page Figures Page Tables Page Preface Operating Environment Installation Audience Organization Conventions Used in This Guide Shell Prompts in Command Examples Related Documentation README Files Page Introduction Standards Pascal Compiler Features Compatibility Text Editors Debuggers XView Toolkit Native Language Support Internationalization Licensing Page Pascal Programs A Simple Pascal Program Compiling the Program Running the Program Renaming the Executable File An Interactive Pascal Program Redirecting I/O Using a File Name as a File Variable Where Did My Program Fail Using a Sample Program with Segmentation Violation Compiling and Running the Program Using the -g Option Page The Pascal Compiler pc Version Number Compile and Link Sequence Language Preprocessor File Name Extensions Accepted By pc Option-Passingon the Command-Line Option-Passingin the Program Text Page Options –Bbinding -bsdmalloc -calign –cg89 –cg92 -cond –config –dalign -dn -dryrun -dy –fast -fnonstd –fns –fround=r –ftrap=t -hname –help or -flags -keeptmp -Ldirectory -libmieee –libmil –misalign -mt –native -nocx -nolib –nolibmil -noqueue -notrace Page –o ﬁlename –p and –pg –pic, -Kpic and –PIC, -KPIC –Qoption –Qpath –Qproduce -qp -Rw Page Page Page Page –sb –sbfast -tc –temp=dir –time –V0 and –V1 -xa -xarch=a Page Page Page -xcache=c -xchip=c -xcg89 -xcg92 –xF -xildoff -xildon –xl -xlibmieee -xlibmil -xlibmopt –xlicinfo –xMerge -xnolib -xnolibmopt -xpg -xprofile=p Page -xregs=r –xs -xsafe=mem -xsb -xsbfast -xspace -xtarget=t Page Page Page -ztext Program Construction and Management Units Using Program Units and Module Units Compiling with Units Using Units and Header Files Sharing Variables Between Units Page Page Libraries Separate Compilation Working with Units Sharing Variables and Routines Across Multiple Units Compiling without the -xl Option Sharing Public Variables Using extern Option to Share Routines Using include Files to Share Variables and Routines Page Using the -xl Option Using public var Declarations public var Page Using the define Variable Attribute Using the define Declaration Using include Files include Page Using extern Sharing Declarations in Multiple Units Page The C–PascalInterface Compilation of Mixed-LanguagePrograms Compatibility of Types for C and Pascal Precautions with Compatible Types The shortreal Type The Character Strings Array Indexes Aggregate Types Incompatibilities Enumerated Types General Parameter Passing in C and Pascal Procedure Calls: C–Pascal Variable Parameters Simple Types without –xl Simple Types with –xl Strings of Characters Fixed Arrays Page Page The univ Arrays Conformant Arrays Page Page Page Records and Structures Page Page Variant Records Page Pascal Set Type Pascal intset Type Value Parameters Page Arrays Function Return Values Simple Types Input and Output Procedure Calls: Pascal–C Page Page Page Page Page Page Page Page Page Non-PascalProcedures Page Page Page Parameters That Are Pointers to Procedures Procedures and Functions as Parameters Global Variables in C and Pascal File-PassingBetween Pascal and C Page Page The C++–PascalInterface Sample Interface Compatibility of Types for C++ and Pascal C++ Name Encoding Procedure Calls: C++–Pascal Arguments Passed by Reference Simple Types without the -xl Option Simple Types with the -xl Option Page Page Page Page Page Page Page Page Arguments Passed by Value Page Page Page Type shortreal Input and Output Procedure Calls: Pascal–C++ Simple Types Passed by Reference Page Page Page Page Global Variables in C++ and Pascal Pascal File Pointers to C++ The FORTRAN–PascalInterface Compiler Mixed-LanguagePrograms Compatibility of Types for FORTRAN and Pascal Page Page General Parameter-Passingin FORTRAN and Pascal Procedure Calls: FORTRAN-Pascal Page Simple Types with the –xl Option Page Page Page Page Page Page Page Page Page Page Page Page Pointers Page Procedure Calls: Pascal-FORTRAN Page Page Page Character Dummy Arguments Page Page Page Page Page Page Page Page Page Page Page Page Routines as Parameters Page Page Error Diagnostics Compiler Syntax Errors String Errors Digits in Real Numbers Replacements, Insertions, and Deletions Undeﬁned or Improper Identiﬁers Expected Symbols and Malformed Constructs Expected and Unexpected End-of-ﬁle Compiler Semantic Errors scalar Scalar Error Messages Expression Diagnostics Page Type Equivalence Unreachable Statements goto Compiler Panics, I/O Errors Runtime Errors Page Page Page The XView Toolkit Overview Tools Objects Object-OrientedProgramming Pascal Interface Compiling with Libraries Header Files Names Usage Attribute Procedures Attribute Lists Handles Data Types Conversion of C to Pascal Page Sample Translation of an XView Function to Pascal Sample Program Menu Demo Program Page Math Libraries Contents of the Math Libraries libm Functions IEEE Support Functions ieee_functions() ieee_values() ieee_retrospective() SPARC Libraries Arithmetic Exceptions Math Library Exception-HandlingFunction: matherr() Page libsunmath Support for IEEE Modes and Exceptions Page Page Pascal Preprocessor Compiler Directives The %config Directive Page The %debug Directive The %else Directive The %elseif Directive The %elseifdef Directive Page The %enable Directive The %endif Directive The %error Directive The %exit Directive The %if Directive The %ifdef Directive The %include Directive The %list Directive Page The %nolist Directive The %slibrary Directive The %var Directive The %warning Directive Page Error Messages Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Index

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