STIPPLE Notational Issues

• An italics font is used to represent a rule name (e.g. `program`.)
• A bold font is used to represent a keyword (e.g. `module'.)
• A regular font is used for all punctuation.
• A bullet is used to specify the start of the production value. For example,

  rule_name

  • production

• Multiple productions for the same rule name are listed under the rule name, each with its own bullet. For example,

  rule_name

  • production1
  • production2
  • production3

• New-lines in the middle of production are ignored. For example,

  rule_name

  • part1
    part2
    part3

  is equivalent to

  rule_name

  • part1 part2 part3

• Optional portions of a production are enclosed in bold braces (`{' and `}'). For example,

  rule_name

  • { production }

• Zero or more repetitions of a production are enclosed in bold braces followed by an asterik (`{' and `}*'). For example,

  rule_name

  • { production }*

• One or more repetitions of a production are enclosed in bold braces followed by a plus sign (`{' and `}+'). For example,

  rule_name

  • { production }+

• A comma separated list of productions is represented as the production name followed by a bold faced comma (`,') and an ellipsis (`...'). Thus,

  rule_name

  • production ,...

  is equivalent to

  rule_name

  • production { , production }+

• An end-of-line is represented by an italics `eol'. Comments and continuation lines are processed by the lexical analyzer.
• The start of a new indentation level is represented by an italics `indent'.
• The end of an indentation is represented as an italics `outdent'.
• An identifier is represented as an italices `identifier'.
• A string literal enclosed in single quotes is represented as an italics `translated_string'.
• A string literal enclosed in double quotes is represented as and italics `untranslated_string'.
• An integer constant is represented as an italics `integer'.
• A floating point constant is represented as an italics `float'.