Use "for" instead of "loop" in iteration loops. (#541)

src/modules/loops/iter_loop.rs

@@ -31,7 +31,7 @@ impl SyntaxModule<ParserMetadata> for IterLoop {
     }
 
     fn parse(&mut self, meta: &mut ParserMetadata) -> SyntaxResult {
-        token(meta, "loop")?;
+        token(meta, "for")?;
         self.iter_name = variable(meta, variable_name_extensions())?;
         if token(meta, ",").is_ok() {
             self.iter_index = Some(self.iter_name.clone());

src/modules/variable/mod.rs

@@ -22,7 +22,7 @@ pub fn variable_name_keywords() -> Vec<&'static str> {
         // Control flow keywords
         "if", "then", "else",
         // Loop keywords
-        "loop", "break", "continue", "in",
+        "for", "loop", "break", "continue", "in",
         // Module keywords
         "pub", "import", "from",
         // Function keywords

src/std/array.ab

@@ -2,7 +2,7 @@
 ///
 /// If the value is not found, the function returns -1.
 pub fun array_first_index(array, value): Num {
-    loop index, element in array {
+    for index, element in array {
         if value as Text == element as Text {
             return index
         }
@@ -13,7 +13,7 @@ pub fun array_first_index(array, value): Num {
 /// Searches for a value in an array and returns an array with the index of the various items.
 pub fun array_search(array, value): [Num] {
     let result = [Num]
-    loop index, element in array {
+    for index, element in array {
         if value as Text == element as Text {
             result += [index]
         }

src/std/fs.ab

@@ -94,7 +94,7 @@ pub fun glob_multiple(paths: [Text]): [Text]? {
         combined = escape_non_glob_chars(paths[0])
     } else {
         let items = [Text]
-        loop item in paths {
+        for item in paths {
             item = escape_non_glob_chars(item)
             items += [item]
         }

src/tests/stdlib/glob_absolute_missing_file.ab

@@ -18,7 +18,7 @@ main {
     let files = glob("{tmpdir}/missing*") failed {
         echo "FAILED"
     }
-    loop file in files {
+    for file in files {
         echo "[{file}]"
     }
 

src/tests/stdlib/glob_absolute_multiple_globs.ab

@@ -6,7 +6,7 @@ fun compare(actual: [Text], expected: [Text]): Bool {
     if len(actual) != len(expected) {
         return false
     }
-    loop file in expected {
+    for file in expected {
         if not includes(actual, file) {
             return false
         }

src/tests/stdlib/glob_absolute_wild_char.ab

@@ -6,7 +6,7 @@ fun compare(actual: [Text], expected: [Text]): Bool {
     if len(actual) != len(expected) {
         return false
     }
-    loop file in expected {
+    for file in expected {
         if not includes(actual, file) {
             return false
         }

src/tests/stdlib/glob_absolute_wild_star.ab

@@ -6,7 +6,7 @@ fun compare(actual: [Text], expected: [Text]): Bool {
     if len(actual) != len(expected) {
         return false
     }
-    loop file in expected {
+    for file in expected {
         if not includes(actual, file) {
             return false
         }

src/tests/stdlib/glob_absolute_with_spaces.ab

@@ -6,7 +6,7 @@ fun compare(actual: [Text], expected: [Text]): Bool {
     if len(actual) != len(expected) {
         return false
     }
-    loop file in expected {
+    for file in expected {
         if not includes(actual, file) {
             return false
         }

src/tests/stdlib/glob_injection_attack.ab

@@ -17,7 +17,7 @@ main {
     let files = glob("xxx; do echo HACKED; done; for file in") failed {
         echo "FAILED"
     }
-    loop file in files {
+    for file in files {
         echo "[{file}]"
     }
 

src/tests/stdlib/glob_relative_missing_file.ab

@@ -19,7 +19,7 @@ main {
     let files = glob("missing*") failed {
         echo "FAILED"
     }
-    loop file in files {
+    for file in files {
         echo "[{file}]"
     }
 

src/tests/stdlib/glob_relative_multiple_globs.ab

@@ -6,7 +6,7 @@ fun compare(actual: [Text], expected: [Text]): Bool {
     if len(actual) != len(expected) {
         return false
     }
-    loop file in expected {
+    for file in expected {
         if not includes(actual, file) {
             return false
         }

src/tests/stdlib/glob_relative_wild_char.ab

@@ -6,7 +6,7 @@ fun compare(actual: [Text], expected: [Text]): Bool {
     if len(actual) != len(expected) {
         return false
     }
-    loop file in expected {
+    for file in expected {
         if not includes(actual, file) {
             return false
         }

src/tests/stdlib/glob_relative_wild_star.ab

@@ -6,7 +6,7 @@ fun compare(actual: [Text], expected: [Text]): Bool {
     if len(actual) != len(expected) {
         return false
     }
-    loop file in expected {
+    for file in expected {
         if not includes(actual, file) {
             return false
         }

src/tests/stdlib/glob_relative_with_spaces.ab

@@ -6,7 +6,7 @@ fun compare(actual: [Text], expected: [Text]): Bool {
     if len(actual) != len(expected) {
         return false
     }
-    loop file in expected {
+    for file in expected {
         if not includes(actual, file) {
             return false
         }

src/tests/stdlib/lines.ab

@@ -5,7 +5,7 @@ import { lines } from "std/text"
 // line: world
 
 main {
-    loop line in lines("hello\nworld") {
+    for line in lines("hello\nworld") {
         echo "line: " + line
     }
 } 

src/tests/validity/function_optional_argument_array.ab

@@ -3,7 +3,7 @@
 
 fun sum_array(a : [Num] = [Num]): Num {
     let sum = 0
-    loop n in a {
+    for n in a {
         sum += n;
     }
     return sum;

src/tests/validity/function_optional_argument_array_default.ab

@@ -3,7 +3,7 @@
 
 fun sum_array(a : [Num] = [100,200,300,400]): Num {
     let sum = 0
-    loop n in a {
+    for n in a {
         sum += n;
     }
     return sum;

src/tests/validity/loop_in.ab

@@ -6,6 +6,6 @@
 // 5
 
 let a = [1, 2, 3, 4, 5]
-loop i in a {
+for i in a {
     echo i
 }

src/tests/validity/loop_in_index_value.ab

@@ -11,7 +11,7 @@
 // 5
 
 let a = [1, 2, 3, 4, 5]
-loop i, v in a {
+for i, v in a {
     echo i
     echo v
 }

src/tests/validity/range_loop.ab

@@ -5,6 +5,6 @@
 // 3
 // 4
 
-loop i in 0..5 {
+for i in 0..5 {
     echo i
 }

src/tests/validity/range_loop_inclusive.ab

@@ -6,6 +6,6 @@
 // 4
 // 5
 
-loop i in 0..=5 {
+for i in 0..=5 {
     echo i
 }