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Some fixes in the spec.

This commit is contained in:
Johannes Findeisen 2025-09-11 23:31:44 +02:00
commit 70fc762c4d

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@ -31,12 +31,18 @@ Reserved words cannot be redefined:
### Comments
- Single-line:
```fun
// This is a comment
```
- Multi-line:
```fun
/*
This is
a multi-line comment
This is a
multi-line comment
*/
```
### Whitespace
@ -50,7 +56,7 @@ Reserved words cannot be redefined:
- 64-bit signed integer.
```
```fun
number n = 42
```
@ -58,7 +64,7 @@ number n = 42
- 64-bit IEEE floating point.
```
```fun
float pi = 3.14159
```
@ -68,10 +74,10 @@ float pi = 3.14159
- ' has higher priority, so " can appear unescaped inside '...'.
- To include ' inside '...', escape with \'.
```
```fun
string s1 = "Hello"
string s2 = 'World'
string s3 = "He said: 'Fun!'"
string s3 = 'He said: "Fun!"'
```
### Boolean
@ -79,7 +85,7 @@ string s3 = "He said: 'Fun!'"
- Canonical values: true, false.
- 1 and 0 are accepted in conditionals.
```
```fun
boolean flag = true
```
@ -87,7 +93,7 @@ boolean flag = true
- Raw byte value.
```
```fun
byte b1 = 0x23
byte b2 = "A"
```
@ -96,7 +102,7 @@ byte b2 = "A"
- Declared using [ ... ].
```
```fun
array nums = [1, 2, 3]
```
@ -106,7 +112,7 @@ array nums = [1, 2, 3]
- Private variables: file-local, cannot be used outside the file.
- Redefining globals or shadowing names is forbidden.
```
```fun
global string message = "Hello"
private number count = 42
```
@ -122,7 +128,7 @@ private number count = 42
### If/Else
```
```fun
if(x != y)
print x
else if(a == b || h != i)
@ -136,14 +142,14 @@ fi
### For Loops
```
```fun
for i in range(1, 10)
print i
```
### While Loops
```
```fun
while x < 10
print x
x = x + 1
@ -156,7 +162,7 @@ while x < 10
Provided by the runtime (cannot be redefined). Examples:
print, range, system, exec.
```
```fun
print "Hello, Fun!"
```
@ -164,7 +170,7 @@ print "Hello, Fun!"
Must be declared with the f prefix.
```
```fun
f add(a, b)
return a + b
```
@ -180,7 +186,7 @@ f add(a, b)
Looked up in /var/lib/fun/, supporting .so (native) and .fun (Fun code).
```
```fun
&#35;include crypt/md5
&#35;include date
&#35;include math
@ -190,7 +196,7 @@ Looked up in /var/lib/fun/, supporting .so (native) and .fun (Fun code).
From the current working directory:
```
```fun
&#35;include utils/file.fun
```
@ -198,7 +204,7 @@ From the current working directory:
Full path:
```
```fun
&#35;include /home/user/project/lib.fun
```
@ -208,7 +214,7 @@ Full path:
Executes a command, returns exit code.
```
```fun
system("ls -l")
```
@ -216,7 +222,7 @@ system("ls -l")
Executes a command, returns stdout.
```
```fun
string result = exec("date")
```
@ -224,7 +230,7 @@ string result = exec("date")
Executes a command asynchronously, returns process ID.
```
```fun
number pid = spawn("sleep 10")
```
@ -239,20 +245,20 @@ number pid = spawn("sleep 10")
### Hello World
```
```fun
print "Hello, World!"
```
### Loop with Range
```
```fun
for i in range(1, 5)
print i
```
### User Function
```
```fun
f greet(name)
return "Hello " + name
@ -261,7 +267,7 @@ print greet("Fun")
### System Call
```
```fun
string now = exec("date")
print "Current time: " + now
```