diff --git a/schala-lang/language/src/parsing.rs b/schala-lang/language/src/parsing.rs
index 8ab3f09..b8e9bba 100644
--- a/schala-lang/language/src/parsing.rs
+++ b/schala-lang/language/src/parsing.rs
@@ -195,13 +195,13 @@ pub struct ParseRecord {
 }
 
 /// Main data structure for doing parsing.
-pub struct Parser {
+pub struct Parser<'a> {
   token_handler: TokenHandler,
   parse_record: Vec<ParseRecord>,
   parse_level: u32,
   restrictions: ParserRestrictions,
   id_store: ItemIdStore,
-  source_map: SourceMap,
+  source_map: &'a mut SourceMap,
 }
 
 
@@ -244,16 +244,16 @@ impl TokenHandler {
   }
 }
 
-impl Parser {
+impl<'a> Parser<'a> {
   /// Create a new parser initialized with some tokens.
-  pub fn new(initial_input: Vec<Token>) -> Parser {
+  pub fn new(initial_input: Vec<Token>, source_map_pointer: &mut SourceMap) -> Parser {
     Parser {
       token_handler: TokenHandler::new(initial_input),
       parse_record: vec![],
       parse_level: 0,
       restrictions: ParserRestrictions { no_struct_literal: false },
       id_store: ItemIdStore::new(),
-      source_map: SourceMap::new(),
+      source_map: source_map_pointer,
     }
   }
 
@@ -346,7 +346,7 @@ macro_rules! delimited {
 }
 
 
-impl Parser {
+impl<'a> Parser<'a> {
   /// `program := (statement delimiter)* EOF`
   /// `delimiter := NEWLINE | ';'`
   #[recursive_descent_method]
diff --git a/schala-lang/language/src/parsing/test.rs b/schala-lang/language/src/parsing/test.rs
index 0bac8ab..1c74aa9 100644
--- a/schala-lang/language/src/parsing/test.rs
+++ b/schala-lang/language/src/parsing/test.rs
@@ -2,6 +2,7 @@
 use ::std::rc::Rc;
 use std::str::FromStr;
 
+use crate::util::quick_ast;
 use super::tokenize;
 use super::ParseResult;
 use crate::ast::*;
@@ -14,8 +15,9 @@ use super::Variant::*;
 use super::ForBody::*;
 
 fn parse(input: &str) -> ParseResult<AST> {
+  let mut source_map = crate::source_map::SourceMap::new();
   let tokens: Vec<crate::tokenizing::Token> = tokenize(input);
-  let mut parser = super::Parser::new(tokens);
+  let mut parser = super::Parser::new(tokens, &mut source_map);
   parser.parse()
 }
 
@@ -74,8 +76,9 @@ macro_rules! ex {
   ($expr_type:expr, $type_anno:expr) => { Expression::with_anno(ItemIdStore::new_id(), $expr_type, $type_anno) };
   (s $expr_text:expr) => {
     {
+      let mut source_map = crate::source_map::SourceMap::new();
       let tokens: Vec<crate::tokenizing::Token> = tokenize($expr_text);
-      let mut parser = super::Parser::new(tokens);
+      let mut parser = super::Parser::new(tokens, &mut source_map);
       parser.expression().unwrap()
     }
   };
@@ -98,8 +101,9 @@ macro_rules! exst {
   };
   (s $statement_text:expr) => {
     {
+      let mut source_map = crate::source_map::SourceMap::new();
       let tokens: Vec<crate::tokenizing::Token> = tokenize($statement_text);
-      let mut parser = super::Parser::new(tokens);
+      let mut parser = super::Parser::new(tokens, &mut source_map);
       parser.statement().unwrap()
     }
   }
diff --git a/schala-lang/language/src/schala.rs b/schala-lang/language/src/schala.rs
index df41c55..17ff59a 100644
--- a/schala-lang/language/src/schala.rs
+++ b/schala-lang/language/src/schala.rs
@@ -11,6 +11,7 @@ ComputationRequest, ComputationResponse,
 LangMetaRequest, LangMetaResponse, GlobalOutputStats,
 DebugResponse, DebugAsk};
 use crate::{ast, reduced_ast, tokenizing, parsing, eval, typechecking, symbol_table, source_map};
+use source_map::SourceMap;
 
 pub type SymbolTableHandle = Rc<RefCell<symbol_table::SymbolTable>>;
 pub type SourceMapHandle = Rc<RefCell<source_map::SourceMap>>;
@@ -21,11 +22,12 @@ pub type SourceMapHandle = Rc<RefCell<source_map::SourceMap>>;
 pub struct Schala {
   source_reference: SourceReference,
   source_map: SourceMapHandle,
+  source_map_: SourceMap,
   state: eval::State<'static>,
   symbol_table: SymbolTableHandle,
   resolver: crate::scope_resolution::ScopeResolver<'static>,
   type_context: typechecking::TypeContext<'static>,
-  active_parser: Option<parsing::Parser>,
+  active_parser: Option<parsing::Parser<'static>>,
 }
 
 impl Schala {
@@ -46,6 +48,7 @@ impl Schala {
       source_reference: SourceReference::new(),
       symbol_table: symbols.clone(),
       source_map: source_map.clone(),
+      source_map_: SourceMap::new(),
       resolver: crate::scope_resolution::ScopeResolver::new(symbols.clone()),
       state: eval::State::new(symbols),
       type_context: typechecking::TypeContext::new(),
@@ -109,7 +112,7 @@ fn parsing(input: Vec<tokenizing::Token>, handle: &mut Schala, comp: Option<&mut
   use crate::parsing::Parser;
   use ParsingDebugType::*;
 
-  let mut parser = handle.active_parser.take().unwrap_or_else(|| Parser::new(input));
+  let mut parser = handle.active_parser.take().unwrap_or_else(|| Parser::new(input, &mut handle.source_map_));
   let ast = parser.parse();
 
   comp.map(|comp| {
diff --git a/schala-lang/language/src/util.rs b/schala-lang/language/src/util.rs
index 7e830ee..d482cde 100644
--- a/schala-lang/language/src/util.rs
+++ b/schala-lang/language/src/util.rs
@@ -49,8 +49,9 @@ impl<'a, T, V> ScopeStack<'a, T, V> where T: Hash + Eq {
 /// this is intended for use in tests, and does no error-handling whatsoever
 #[allow(dead_code)]
 pub fn quick_ast(input: &str) -> crate::ast::AST {
+  let mut source_map = crate::source_map::SourceMap::new();
   let tokens = crate::tokenizing::tokenize(input);
-  let mut parser = crate::parsing::Parser::new(tokens);
+  let mut parser = crate::parsing::Parser::new(tokens, &mut source_map);
   parser.parse().unwrap()
 }