150 lines
3.4 KiB
ObjectPascal
150 lines
3.4 KiB
ObjectPascal
{$optimize 7}
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{---------------------------------------------------------------}
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{ }
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{ Header }
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{ }
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{ Handles saving and reading precompiled headers. }
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{ }
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{---------------------------------------------------------------}
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unit Header;
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{$LibPrefix '0/obj/'}
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interface
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uses CCommon, MM, Scanner, Symbol, CGI;
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{$segment 'scanner'}
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var
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inhibitHeader: boolean; {should .sym includes be blocked?}
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procedure EndInclude (chPtr: ptr);
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{ Saves symbols created by the include file }
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{ }
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{ Parameters: }
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{ chPtr - chPtr when the file returned }
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{ }
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{ Notes: }
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{ 1. Call this subroutine right after processing an }
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{ include file. }
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{ 2. Declared externally in Symbol.pas }
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procedure FlagPragmas (pragma: pragmas);
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{ record the effects of a pragma }
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{ }
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{ parameters: }
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{ pragma - pragma to record }
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{ }
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{ Notes: }
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{ 1. Defined as extern in Scanner.pas }
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{ 2. For the purposes of this unit, the segment statement is }
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{ treated as a pragma. }
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procedure InitHeader (var fName: gsosOutString);
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{ look for a header file, reading it if it exists }
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{ }
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{ parameters: }
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{ fName - source file name (var for efficiency) }
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procedure TermHeader;
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{ Stop processing the header file }
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{ }
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{ Note: This is called when the first code-generating }
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{ subroutine is found, and again when the compile ends. It }
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{ closes any open symbol file, and should take no action if }
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{ called twice. }
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procedure StartInclude (name: gsosOutStringPtr);
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{ Marks the start of an include file }
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{ }
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{ Notes: }
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{ 1. Call this subroutine right after opening an include }
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{ file. }
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{ 2. Defined externally in Scanner.pas }
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{---------------------------------------------------------------}
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implementation
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procedure EndInclude {chPtr: ptr};
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{ Saves symbols created by the include file }
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{ }
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{ Parameters: }
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{ chPtr - chPtr when the file returned }
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{ }
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{ Notes: }
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{ 1. Call this subroutine right after processing an }
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{ include file. }
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{ 2. Declared externally in Symbol.pas }
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begin {EndInclude}
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end; {EndInclude}
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procedure FlagPragmas {pragma: pragmas};
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{ record the effects of a pragma }
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{ }
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{ parameters: }
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{ pragma - pragma to record }
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{ }
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{ Notes: }
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{ 1. Defined as extern in Scanner.pas }
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{ 2. For the purposes of this unit, the segment statement is }
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{ treated as a pragma. }
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begin {FlagPragmas}
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end; {FlagPragmas}
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procedure InitHeader {var fName: gsosOutString};
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{ look for a header file, reading it if it exists }
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{ }
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{ parameters: }
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{ fName - source file name (var for efficiency) }
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begin {InitHeader}
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end; {InitHeader}
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procedure StartInclude {name: gsosOutStringPtr};
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{ Marks the start of an include file }
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{ }
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{ Notes: }
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{ 1. Call this subroutine right after opening an include }
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{ file. }
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{ 2. Defined externally in Scanner.pas }
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begin {StartInclude}
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end; {StartInclude}
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procedure TermHeader;
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{ Stop processing the header file }
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{ }
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{ Note: This is called when the first code-generating }
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{ subroutine is found, and again when the compile ends. It }
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{ closes any open symbol file, and should take no action if }
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{ called twice. }
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begin {TermHeader}
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end; {TermHeader}
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end.
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