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|
Instructions to the Parser/Compiler
===================================
#breakpoint
-----------
Syntax:
::
#breakpoint
{#breakpoint} is a debugging tool that tells the parser to stop
parsing at a specific point. All source code from that point on
will be ignored.
The difference between {#breakpoint} and {#stop} is that {#stop}
occurs in normal templates (e.g., inside an {#if}) but
{#breakpoint} is used only when debugging Cheetah. Another
difference is that {#breakpoint} operates at compile time, while
{#stop} is executed at run time while filling the template.
#compiler-settings
------------------
Syntax:
::
#compiler-settings
key = value (no quotes)
#end compiler-settings
#compiler-settings reset
The {#compiler-settings} directive overrides Cheetah's standard
settings, changing how it parses source code and generates Python
code. This makes it possible to change the behaviour of Cheetah's
parser/compiler for a certain template, or within a portion of the
template.
The {reset} argument reverts to the default settings. With {reset},
there's no end tag.
Here are some examples of what you can do:
::
$myVar
#compiler-settings
cheetahVarStartToken = @
#end compiler-settings
@myVar
#compiler-settings reset
$myVar
::
## normal comment
#compiler-settings
commentStartToken = //
#end compiler-settings
// new style of comment
#compiler-settings reset
## back to normal comments
::
#slurp
#compiler-settings
directiveStartToken = %
#end compiler-settings
%slurp
%compiler-settings reset
#slurp
Here's a partial list of the settings you can change:
#. syntax settings
#. cheetahVarStartToken
#. commentStartToken
#. multilineCommentStartToken
#. multilineCommentEndToken
#. directiveStartToken
#. directiveEndToken
#. code generation settings
#. commentOffset
#. outputRowColComments
#. defDocStrMsg
#. useNameMapper
#. useAutocalling
#. reprShortStrConstants
#. reprNewlineThreshold
The meaning of these settings and their default values will be
documented in the future.
|
