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The NextNonCommentCharacter function reads and processes characters from the source line buffer. It returns pointer to the next non-comment character.
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This procedure processes compiler directives and skips comment. Here also conditional compilation directives (with support for nested directives) are processed.
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Turbo Pascal contains few procedures and functions that create and check conditional defines.
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Parser operates only with tokens - basic elements of the language. Tokens like identifiers and constants have also additional data structures where actual data is stored.
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These two functions check and process decimal and hexadecimal integer constants. The value is stored in the IntegerNumericConstant variable.
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This function checks and processes string constants. It processes characters enclosed with single quotes, control characters and characters defined with the ASCII code (#code).
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Turbo Pascal uses few special words as directives for special functions: ABSOLUTE, ASSEMBLER, EXTERNAL, FAR, FORWARD, INTERRUPT, NEAR, PRIVATE, PUBLIC, VIRTUAL and System as unit name.
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This function case insensitive compares two identifiers and returns false if they are not equal. Otherwise returns true and Id2 points to byte after its end.
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