parser: Allow custom invocations of parse_file()

Use CodeContext of SourceFile if needed

https://bugzilla.gnome.org/show_bug.cgi?id=791936

3 files changed, 25 insertions, 1 deletions

diff --git a/vala/valagenieparser.vala b/vala/valagenieparser.vala
index 8c92e9599..dfffa23a7 100644
--- a/vala/valagenieparser.vala
+++ b/vala/valagenieparser.vala
@@ -399,6 +399,11 @@ public class Vala.Genie.Parser : CodeVisitor {
 	}
 
 	public void parse_file (SourceFile source_file) {
+		var has_global_context = (context != null);
+		if (!has_global_context) {
+			context = source_file.context;
+		}
+
 		scanner = new Scanner (source_file);
 		scanner.parse_file_comments ();
 		scanner.indent_spaces = 0;
@@ -430,6 +435,9 @@ public class Vala.Genie.Parser : CodeVisitor {
 		}
 		
 		scanner = null;
+		if (!has_global_context) {
+			context = null;
+		}
 	}
 
 	void skip_symbol_name () throws ParseError {
diff --git a/vala/valagirparser.vala b/vala/valagirparser.vala
index edc580c68..de5d7727c 100644
--- a/vala/valagirparser.vala
+++ b/vala/valagirparser.vala
@@ -1375,6 +1375,11 @@ public class Vala.GirParser : CodeVisitor {
 	}
 
 	public void parse_file (SourceFile source_file) {
+		var has_global_context = (context != null);
+		if (!has_global_context) {
+			context = source_file.context;
+		}
+
 		metadata_stack = new ArrayList<Metadata> ();
 		metadata = Metadata.empty;
 		cheader_filenames = null;
@@ -1391,6 +1396,9 @@ public class Vala.GirParser : CodeVisitor {
 
 		reader = null;
 		this.current_source_file = null;
+		if (!has_global_context) {
+			context = null;
+		}
 	}
 
 	void next () {
diff --git a/vala/valaparser.vala b/vala/valaparser.vala
index de3ee64b9..1b1a06f66 100644
--- a/vala/valaparser.vala
+++ b/vala/valaparser.vala
@@ -80,7 +80,7 @@ public class Vala.Parser : CodeVisitor {
 	}
 
 	public override void visit_source_file (SourceFile source_file) {
-		if (context.run_output || source_file.filename.has_suffix (".vala") || source_file.filename.has_suffix (".vapi")) {
+		if ((context != null && context.run_output) || source_file.filename.has_suffix (".vala") || source_file.filename.has_suffix (".vapi")) {
 			parse_file (source_file);
 		}
 	}
@@ -322,6 +322,11 @@ public class Vala.Parser : CodeVisitor {
 	}
 
 	public void parse_file (SourceFile source_file) {
+		var has_global_context = (context != null);
+		if (!has_global_context) {
+			context = source_file.context;
+		}
+
 		scanner = new Scanner (source_file);
 		parse_file_comments ();
 
@@ -345,6 +350,9 @@ public class Vala.Parser : CodeVisitor {
 		}
 		
 		scanner = null;
+		if (!has_global_context) {
+			context = null;
+		}
 	}
 
 	void parse_file_comments () {