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This commit is contained in:
Yannick Reiß 2025-08-12 19:04:09 +02:00
parent 9e4141fc96
commit ddba3423df
3 changed files with 15 additions and 3 deletions
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2
example.mlc
View File

@ -1,5 +1,5 @@
#with language.toml
variable:=-3; c := (a+b- 3) * 23 + variable; d := c - a;Natural : Number (n) := {n >= 0};faculty : Natural (n) -> Natural := if n = 0 then 1 else faculty (n-1) * n end; variable:=-3; c := (a+b- 3) * 23 + variable; d := c - a;Natural : Number (n) := {n >= 0};faculty : Natural (n) -> Natural := if n = 0 then 1 else faculty (n-1) * n end;
String Natural (n) := {Character * n};hello_word -> String := "Hello World!"; String Natural (n) := {Character * n};hello_word -> String := "Hello World!";
first_letter -> Character := 'a'; first_letter -> Character := 'a';
wrong -> Logic := false;date -> String := "#date_now"; wrong -> Logic := false;date -> String := "#date_now";
user -> String := "#user"

1
language.toml
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@ -10,6 +10,7 @@ comments = ["^--.*", ""]
[meta.interpolation] [meta.interpolation]
with = ["^#with ([\\w./]+)", "cat $1"] with = ["^#with ([\\w./]+)", "cat $1"]
date = ["#date_now", "date"] date = ["#date_now", "date"]
user = ["#user", "user"]
# Describes tokens to be replaced by identifiers and then later swapped back in after the tokenizer. # Describes tokens to be replaced by identifiers and then later swapped back in after the tokenizer.
# All special tokens are treated as constants # All special tokens are treated as constants

15
src/preprocessor.rs
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@ -125,9 +125,20 @@ impl MetaRules {
println!("[INFO] Applying rule {}", rule.0); println!("[INFO] Applying rule {}", rule.0);
let base_pattern: Regex = Regex::new((rule.1 .0).as_str()).unwrap(); let base_pattern: Regex = Regex::new((rule.1 .0).as_str()).unwrap();
let processed_code_replacement = processed_code.clone(); let processed_code_replacement = processed_code.clone();
let parameter = &base_pattern let parameter = if &base_pattern
.captures(processed_code_replacement.as_str()) .captures(processed_code_replacement.as_str())
.unwrap()[0]; .unwrap()
.len()
> 0
{
&base_pattern
.captures(processed_code_replacement.as_str())
.unwrap()[0]
} else {
&base_pattern
.captures(processed_code_replacement.as_str())
.unwrap()
};
let command: &str = &base_pattern.replace(parameter, rule.1 .1.as_str()); let command: &str = &base_pattern.replace(parameter, rule.1 .1.as_str());
println!("{:?}", &command); println!("{:?}", &command);
let subprocess = std::process::Command::new("/bin/bash") let subprocess = std::process::Command::new("/bin/bash")