Zilog ZUSBOPTS Manual de usuario descargar pdf (Pagina 149)

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101

UM017105-0511 Using the Editor

Zilog Developer Studio II – ZNEO™

User Manual

121

Line and Block Comments

In a C file, line comments are framed using two diagonal characters (//), a format which is

derived from C++. Block comments are framed by the character sets “/*” and “*/” , which

are inherent in C. In an assembly file, line comments are framed using semicolons (;) and

there are no character sets for block comments.

The ZDS II editor provides two hot keys to comment or un-comment a line or a block of

code; each is described below.

Line Comment in C file

To comment or un-comment a single line of text, place the text caret anywhere on the

appropriate line, then press Ctrl+Q.

To comment or un-comment multiple lines of text, select all of the appropriate lines and

press Ctrl+Q.

Ctrl+Q does not un-comment lines that don't start with line comment characters at the first

column.

Block Comments in a C File

To comment a block of code, select the block and press Ctrl+M.

You cannot un-comment a commented block of text using this hotkey. Instead, undo the

change by pressing Ctrl+Z.

Line Comments in an Assembly File

To comment or un-comment a single line of text, place the text caret anywhere on the

appropriate line, then press either Ctrl+Q or Ctrl+M.

To comment or un-comment multiple lines of text, select all of the appropriate lines and

then press either Ctrl+Q or Ctrl+M.

Abbreviations and Expansions

An abbreviation is a shortened word assigned to an expansion. An expansion is a text

string that can be a single line of code, a code block or a comment section such as a func-

tion/file header; an expansion can even be a combination of code and comments.

Note:

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