Apple-2-SW/prog8
1
0
Fork 0
mirror of https://github.com/irmen/prog8.git synced 2025-07-25 11:24:15 +00:00
Code Issues Projects Releases Wiki Activity

improve docs on if syntax. fixes #81

Browse Source
This commit is contained in:
Irmen de Jong
2022-10-19 23:53:15 +02:00
parent 53b0b562e6
commit 733c17ad3a
2 changed files with 27 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
docs/source/syntaxreference.rst
View File

@@ -783,19 +783,23 @@ Note: to do an indirect *JSR* to a routine with a varying address, you can use t
(which is not very efficient) or you have to write a small piece of inline assembly.
Conditional execution
^^^^^^^^^^^^^^^^^^^^^
if statements
^^^^^^^^^^^^^
With the 'if' / 'else' statement you can execute code depending on the value of a condition::
if <expression> <statements> [else <statements> ]
where <statements> can be just a single statement for instance just a ``goto``, or it can be a block such as this::
If <statements> is just a single statement, for instance just a ``goto`` or a single assignment,
it's possible to just write the statement without any curly braces.
However if <statements> is a block of multiple statements, you'll have to enclose it in curly braces::
if <expression> {
<statements>
} else if <expression> {
<statements>
} else {
<alternative statements>
<statements>
}
@@ -807,7 +811,7 @@ itself defines on what status register bit it should branch on::
if_XX <statements> [else <statements> ]
where <statements> can be just a single statement for instance just a ``goto``, or it can be a block such as this::
where <statements> can be just a single statement or a block again::
if_XX {
<statements>