From e0fb161f1cfa3da9ddfe7f6fe5a82d0273cd34f1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Wed, 1 Jun 2016 09:53:03 +0200
Subject: Documentation update

This is update of documentation draft before code implementation.
---
 doc/command.md |  0
 doc/syntax.md  | 94 ----------------------------------------------------------
 2 files changed, 94 deletions(-)
 delete mode 100644 doc/command.md
 delete mode 100644 doc/syntax.md

(limited to 'doc')

diff --git a/doc/command.md b/doc/command.md
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diff --git a/doc/syntax.md b/doc/syntax.md
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-Syntax
-------
-Syntax consist from commands and variables. Both are defined in code with
-initial character. In default `$`, but others can be used if specified as
-argument to program. After this character is name of variable or command. Names
-are case sensitive, without spaces and special character.
-
-If you want use initial character without preprocessing, you should write it
-two times. So if our initial character is `$`, you should use `$$`.
-Also you can use `--permissive` argument to disable error when initial character is
-not followed by known name. In such case is preprocessor threating it as it is
-part of code and let it be without change. Be aware that collisions with names can
-occur and no typing errors will be reported.
-
-### Variables
-Only variables preprocessor knows are text based. So even if some calculation has
-to be made it is made with text. This slows down calculations, but removes
-requirement of types definition. Special case are arrays.
-
-If you use variable in file, it will be replaced directly with its value. So for
-example if there would be defined variable "VAR" with value "Hello", result after
-preprocessing of line
-```
-$VAR World!
-```
-would be
-```
-Hello World!
-```
-
-To set variable, see "set" command. To do mathematical operations see "eval"
-command.
-
-#### Arrays
-Arrays are variables containing multiple texts. This can be handy when you want
-store unknown number of text strings. Arrays in this preprocessor can have only
-one dimension. They are created by command "set" and can be walked through with
-command "for". Command "size" returns number of elements in array. Command "unset"
-is removing elements from array.
-
-Elements in array are indexed. Accessing some value is done with square bracket
-and number. For example value of 0 index of array with name "ARRAY" would be
-accessed with this syntax: "$ARRAY[0]". If array is referenced without brackets,
-only first value is used. So value of index 0 is also accessible with "$ARRAY".
-
-#### Special variables
-Some variable names are reserved. Such variables can be used for various purposes.
-##### SGP_VERSION
-Contains version of sgp tool.
-##### FILE
-Array with names of all files that preprocessor is now working with. They are
-ordered so current file is on index 0 and file including this file is on index 1
-and so on.
-##### LINE
-Array with numbers of lines where preprocessor is now reading. They are ordered so
-current line of current file is on index 0 and line in file including current file
-is on index 1 and so on.
-
-### Commands
-Every command consist of its name and possible arguments. Arguments are enclosed
-in brackets and between name and brackets are no other characters. Every argument
-can be specified on multiple lines and separated from others with comma. Because
-all evaluation is text based, arguments are also threated as text. Every empty
-character (null, new line, space, tabulator) is removed from beginning and end of
-argument. Also `"` and `'` characters are removed from beginning and end of
-argument, but no other character is removed from beginning after them and after
-last one on end should be only empty character. This allows common string
-enclosures. Also if command has fixed number of arguments, last argument can
-contains comas without being enclosured with `"` or `'`.
-
-Some commands can be paired with some other commands. Common example is "if" with
-its paired commands "else", "elif" and "endif"
-##### include
-##### set
-##### unset
-##### eval
-##### if
-##### ifdef
-##### ifndef
-##### if*
-##### elif
-##### else
-##### endif
-##### for
-##### endfor
-##### while
-##### endwhile
-##### exec
-##### error
-##### warning
-##### define
-##### undefine
-
-#### Defining more commands
-- 
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