Implement executing code from file

Pseudo/Application.m

@@ -36,20 +36,39 @@ - (BOOL) executeWithArguments: (nonnull NSArray<NSString *> *) arguments {
     }
 
     if ([arguments[1] isEqualToString: @"-i"]) {
-        [self executeWithArguments: [arguments subarrayWithRange: NSMakeRange(2, arguments.count - 2)]];
+        [self executeFilesAtFilePaths: [arguments subarrayWithRange: NSMakeRange(2, arguments.count - 2)]];
         return [self enterREPL];
     }
 
     if ([arguments[1] hasPrefix: @"-"]) {
         return [self printInvalidArgumentsError];
     }
 
-    return [self executeWithArguments: [arguments subarrayWithRange: NSMakeRange(1, arguments.count - 1)]];
+    return [self executeFilesAtFilePaths: [arguments subarrayWithRange: NSMakeRange(1, arguments.count - 1)]];
 }
 
 #pragma mark - Commands
 
 - (BOOL) executeFilesAtFilePaths: (NSArray<NSString *> *) filePaths {
+    __block NSError *error;
+
+    [filePaths enumerateObjectsUsingBlock: ^(NSString * _Nonnull filePath, NSUInteger idx, BOOL * _Nonnull stop) {
+        if (![filePath hasSuffix: PSDefaultFileExtension]) {
+            filePath = [filePath stringByAppendingString: PSDefaultFileExtension];
+        }
+
+        NSString *code = [NSString stringWithContentsOfFile: filePath encoding: NSUTF8StringEncoding error: &error];
+        if (error) *stop = YES;
+
+        [self.interpreter executePseudoCode: code error: &error];
+        if (error) *stop = YES;
+    }];
+
+    if (error) {
+        [PSConsole writeString: [[NSString alloc] initWithFormat: @"%@\n", error.localizedDescription]];
+        return NO;
+    }
+
     return YES;
 }
 

Pseudo/main.m

@@ -11,9 +11,7 @@
 
 int main(int argc, const char *argv[]) {
     @autoreleasepool {
-        Application *application = [[Application alloc] init];
-        BOOL isSuccess = [application executeWithArguments: NSProcessInfo.processInfo.arguments];
-
+        BOOL isSuccess = [[[Application alloc] init] executeWithArguments: NSProcessInfo.processInfo.arguments];
         return isSuccess ? EXIT_SUCCESS : EXIT_FAILURE;
     }
 }

PseudoKit/PSConstants.h

@@ -9,3 +9,5 @@
 #import <Foundation/Foundation.h>
 
 FOUNDATION_EXPORT NSString *const PSParserErrorDomain;
+
+FOUNDATION_EXPORT NSString *const PSDefaultFileExtension;

PseudoKit/PSConstants.m

@@ -9,3 +9,5 @@
 #import "PSConstants.h"
 
 NSString *const PSParserErrorDomain = @"SteffenRyll.Pseudo.Parser";
+
+NSString *const PSDefaultFileExtension = @".pseudo";