mirror of
https://github.com/adambard/learnxinyminutes-docs.git
synced 2024-11-22 04:04:29 +03:00
[inform7/en] syntax highlighting
This commit is contained in:
parent
4f18651cb2
commit
72d4fadaf0
@ -4,20 +4,19 @@ contributors:
|
||||
- ["Hyphz", "http://github.com/hyphz/"]
|
||||
filename: LearnInform.Inform
|
||||
---
|
||||
|
||||
Inform 7 is a natural language based language created by Graham Nelson and Emily Short for writing text adventures, but also potentially usable for other text based applications, especially data backed ones.
|
||||
|
||||
```
|
||||
"LearnInform" by Hyphz
|
||||
|
||||
```inform7
|
||||
[This is a comment.]
|
||||
|
||||
[Inform 7 is a language designed for building text adventures.
|
||||
It can be used for other purposes too, although the default
|
||||
It can be used for other purposes too, although the default
|
||||
library builds a text adventure. Inform 7 is object oriented.]
|
||||
|
||||
[This creates a class by subclassing. "Value" is the universal subclass,
|
||||
but "object" is the most basic that behaves like an OO object.]
|
||||
A datablock is a kind of object.
|
||||
A datablock is a kind of object.
|
||||
|
||||
[Classes can have properties.]
|
||||
A datablock can be broken. [This creates a boolean property.]
|
||||
@ -36,18 +35,18 @@ The name of Block1 is "Block One."
|
||||
[Functions and procedures are defined as "phrases".]
|
||||
To do the thing everyone does with their first program:
|
||||
say "Hello World.". [Full stop indicates the end, indent indicates the scope.]
|
||||
|
||||
|
||||
To dump (the block - a datablock): [That's how we create a parameter.]
|
||||
say the sequence number of the block;
|
||||
say the name of the block;
|
||||
if the block is broken, say "(Broken)".
|
||||
|
||||
|
||||
To toggle (the block - a datablock):
|
||||
if the block is broken: [Conditional.]
|
||||
now the block is not broken; [Updating a property.]
|
||||
else:
|
||||
now the block is broken.
|
||||
|
||||
|
||||
[Multiple parameters.]
|
||||
To fix (the broken block - a datablock) using (the repair block - a datablock):
|
||||
if the broken block is not broken, stop; [Comma for a non indented single command.]
|
||||
@ -56,8 +55,8 @@ To fix (the broken block - a datablock) using (the repair block - a datablock):
|
||||
now the broken block is not broken.
|
||||
|
||||
[Because of its text adventure origins, Inform 7 doesn't generally allow objects
|
||||
to be created dynamically, although there's a language extension that enables it.]
|
||||
Block2 is a datablock.
|
||||
to be created dynamically, although there's a language extension that enables it.]
|
||||
Block2 is a datablock.
|
||||
Block2 is broken.
|
||||
The sequence number of Block2 is 2.
|
||||
The name of Block2 is "Block two."
|
||||
@ -66,8 +65,8 @@ To demonstrate calling a phrase with two parameters:
|
||||
Let the second block be block2; [Local pointer variable.]
|
||||
fix the second block using Block1;
|
||||
say the sequence number of the second block. [1.]
|
||||
|
||||
[Lists.]
|
||||
|
||||
[Lists.]
|
||||
To show how to use list types:
|
||||
let the list be a list of datablocks;
|
||||
add Block1 to the list;
|
||||
@ -84,7 +83,7 @@ To show how to use list types:
|
||||
dump X; ["1 Block two."]
|
||||
remove X from the list;
|
||||
say the list. [Block1]
|
||||
|
||||
|
||||
[Here's how we define a function and do arithmetic.]
|
||||
|
||||
To decide which number is the sum of all numbers up to (X - a number) (this is summing up):
|
||||
@ -92,7 +91,7 @@ To decide which number is the sum of all numbers up to (X - a number) (this is s
|
||||
repeat with the current number running from 1 to X:
|
||||
now the total so far is the total so far + the current number;
|
||||
decide on the total so far. [This is the return statement.]
|
||||
|
||||
|
||||
[ We have higher order functions too. ]
|
||||
|
||||
To demonstrate a higher order function:
|
||||
@ -102,7 +101,7 @@ To decide which number is the result of applying (phrase - phrase A -> A) twice
|
||||
let b1 be phrase applied to B;
|
||||
let b2 be phrase applied to b1;
|
||||
decide on b2.
|
||||
|
||||
|
||||
To demonstrate defining a higher order function:
|
||||
let X be 5;
|
||||
say the result of applying summing up twice to X.
|
||||
@ -112,14 +111,14 @@ To demonstrate defining a higher order function:
|
||||
Datablock validation rules is a datablock based rulebook.
|
||||
|
||||
A datablock validation rule for a broken datablock: rule fails.
|
||||
A datablock validation rule for a datablock (called the block):
|
||||
A datablock validation rule for a datablock (called the block):
|
||||
dump the block;
|
||||
rule succeeds.
|
||||
|
||||
|
||||
To demonstrate invoking a rulebook:
|
||||
follow datablock validation rules for Block1;
|
||||
follow datablock validation rules for Block2.
|
||||
|
||||
|
||||
[ Objects can also have relations, which resemble those in a relational database. ]
|
||||
A dog is a kind of thing.
|
||||
Rover is a dog.
|
||||
@ -136,7 +135,7 @@ Friendship relates various people to various people. [Many-to-many.]
|
||||
|
||||
The verb to own means the property ownership relation.
|
||||
The verb to be the guide dog of means the guide dog ownership relation.
|
||||
The verb to be guided by means the reversed guide dog ownership relation.
|
||||
The verb to be guided by means the reversed guide dog ownership relation.
|
||||
The verb to be friends with means the friendship relation.
|
||||
|
||||
Edward is a person. A person can be blind. Edward is blind.
|
||||
@ -156,18 +155,18 @@ The verb to be helpful to means the helpfulness relation.
|
||||
To demonstrate using a procedural relation:
|
||||
repeat with the helper running through people that are helpful to Edward:
|
||||
say the helper.
|
||||
|
||||
|
||||
|
||||
[ Interface to the text adventure harness to allow the above code to be run. ]
|
||||
Tutorial room is a room.
|
||||
Tutorial room is a room.
|
||||
"A rather strange room full of buttons. Push them to run the exercises, or turn on the robot to run them all."
|
||||
A button is a kind of thing. A button is fixed in place.
|
||||
A button is a kind of thing. A button is fixed in place.
|
||||
|
||||
The red button is a button in tutorial room.
|
||||
The red button is a button in tutorial room.
|
||||
Instead of pushing the red button, do the thing everyone does with their first program.
|
||||
The green button is a button in tutorial room.
|
||||
The green button is a button in tutorial room.
|
||||
Instead of pushing the green button, demonstrate calling a phrase with two parameters.
|
||||
The blue button is a button in tutorial room.
|
||||
The blue button is a button in tutorial room.
|
||||
Instead of pushing the blue button, show how to use list types.
|
||||
The cyan button is a button in tutorial room.
|
||||
Instead of pushing the cyan button, say the sum of all numbers up to 5.
|
||||
@ -190,6 +189,6 @@ Instead of switching on the robot:
|
||||
try pushing button.
|
||||
```
|
||||
|
||||
##Ready For More?
|
||||
## Ready For More?
|
||||
|
||||
* [Inform 7](http://www.inform7.com/)
|
||||
|
Loading…
Reference in New Issue
Block a user