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Table | Options That Can Be Passed in Program Text (Continued) |
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Option | Description |
PUses partial evaluation of boolean expressions.
tUses runtime checks (same as C, but different from the
uTrims to
wPrints warning diagnostics.
1.The options p and t are different when they are used within program text and when they are used on the
You set options within comments, which can be delimited by either { and } or (* and *). The first character in the comment must be the $ (dollar sign). $ must be immediately followed by an option letter. Next must be either +,
If you want to set more than one option, you can insert a comma after the first option, followed by another option letter and +,
The new option setting takes effect at the next noncomment token.
The symbols + (plus sign) and - (minus sign) turn the option on and off, respectively. To understand the symbol *, you must know how options work in Pascal.
Except for b, each option in Table
When you begin compiling a program, each stack is empty and each option has an initial current value, which may be the option default value or may have been set on the command line.
22 | Pascal 4.0 User’s Guide |