read module name from filename

.gitignore

@@ -1,3 +1,5 @@
 # Local files
 rivetc
-main.ri
+main.ri
+tests/gen_out_files
+tests/run_tests

compiler/ast/File.v

@@ -11,6 +11,7 @@ pub struct File {
 pub:
 	filename string
 	content  string
+	mod_name string
 pub mut:
 	errors int
 mut:
@@ -51,18 +52,20 @@ pub:
 	col  int
 }
 
-pub fn File.new(file string) &File {
-	content := read_file(file)
+pub fn File.new(filename string) &File {
+	content := read_file(filename)
 	return &File{
-		filename: file
+		filename: filename
 		content:  content
+		mod_name: os.base(filename).all_before('.')
 	}
 }
 
 pub fn File.from_memory(content string) &File {
 	return &File{
 		filename: '<memory>'
 		content:  content
+		mod_name: '<memory>'
 	}
 }
 

compiler/context/mod.v

@@ -36,7 +36,8 @@ pub mut:
 	options Options
 	report  Report
 
-	files []&ast.File
+	root_file &ast.File = unsafe { nil }
+	files     []&ast.File
 }
 
 pub fn (ctx &CContext) abort_if_errors() {
@@ -46,6 +47,6 @@ pub fn (ctx &CContext) abort_if_errors() {
 		} else {
 			'aborting due to ${ctx.report.errors} previous errors'
 		}
-		ic_error('could not compile source code, ${reason}')
+		ic_error('could not compile `${ctx.root_file.mod_name}` module, ${reason}')
 	}
 }

compiler/parser/mod.v

@@ -28,11 +28,14 @@ pub fn new(ctx &context.CContext) &Parser {
 }
 
 pub fn (mut p Parser) parse() {
-	p.parse_file(p.ctx.options.input)
+	p.parse_file(p.ctx.options.input, true)
 }
 
-fn (mut p Parser) parse_file(filename string) {
+fn (mut p Parser) parse_file(filename string, is_root bool) {
 	p.file = ast.File.new(filename)
+	if is_root {
+		p.ctx.root_file = p.file
+	}
 	p.ctx.files << p.file
 
 	p.tokenizer = tokenizer.from_file(p.ctx, p.file)

tests/tokenizer/invalid_character.err.out

@@ -2,4 +2,4 @@ tests/tokenizer/invalid_character.err.ri:1:1: error: invalid character `¿`
       | 
     1 | ¿
       | ^ 
-error: could not compile source code, aborting due to previous error
+error: could not compile `invalid_character` module, aborting due to previous error

tests/tokenizer/invalid_character_literal.err.out

@@ -7,4 +7,4 @@ tests/tokenizer/invalid_character_literal.err.ri:2:5: error: character literal m
     2 | 'abc'
       |     ^
       = help: if you meant to write a string literal, use double quotes
-error: could not compile source code, aborting due to 2 previous errors
+error: could not compile `invalid_character_literal` module, aborting due to 2 previous errors

tests/tokenizer/invalid_number_literal.err.out

@@ -60,4 +60,4 @@ tests/tokenizer/invalid_number_literal.err.ri:22:4: error: cannot use `_` at the
       | 
    22 | 123_ // fail
       |    ^        
-error: could not compile source code, aborting due to 15 previous errors
+error: could not compile `invalid_number_literal` module, aborting due to 15 previous errors

tests/tokenizer/invalid_string_literal.err.out

@@ -2,4 +2,4 @@ tests/tokenizer/invalid_string_literal.err.ri:1:1: error: unfinished string lite
       | 
     1 | "unfinished string literal
       | ^                         
-error: could not compile source code, aborting due to previous error
+error: could not compile `invalid_string_literal` module, aborting due to previous error

tests/tokenizer/unterminated_multiline_comment.err.out

@@ -2,4 +2,4 @@ tests/tokenizer/unterminated_multiline_comment.err.ri:2:1: error: unterminated m
       | 
     2 | unterminated multiline comment :(
       | ^                                
-error: could not compile source code, aborting due to previous error
+error: could not compile `unterminated_multiline_comment` module, aborting due to previous error