more exporting

1 files changed, 55 insertions, 1 deletions

diff --git a/export.c b/export.c
index 422bed4..571701e 100644
--- a/export.c
+++ b/export.c
@@ -1,5 +1,39 @@
+/*
+  Copyright (C) 2019 Leo Tenenbaum.
+  This file is part of toc. toc is distributed under version 3 of the GNU General Public License, without any warranty whatsoever.
+  You should have received a copy of the GNU General Public License along with toc. If not, see <https://www.gnu.org/licenses/>.
+*/
 static void exptr_create(Exporter *exptr, FILE *out) {
 	exptr->out = out;
+	exptr->export_locations = true;
+}
+
+static void export_u8(Exporter *ex, U8 u8) {
+	write_u8(ex->out, u8);
+}
+
+static void export_u16(Exporter *ex, U16 u16) {
+	write_u16(ex->out, u16);
+}
+
+static void export_u32(Exporter *ex, U32 u32) {
+	write_u32(ex->out, u32);
+}
+
+static void export_u64(Exporter *ex, U64 u64) {
+	write_u64(ex->out, u64);
+}
+
+static void export_location(Exporter *ex, Location where) {
+	if (ex->export_locations) {
+		export_u32(ex, where.line);
+		export_u32(ex, where.pos);
+	}
+}
+
+static void export_ident(Exporter *ex, Identifier i) {
+	assert(i->id);
+	export_u64(ex, i->id);
 }
 
 static bool export_decl(Exporter *ex, Declaration *d) {
@@ -7,6 +41,26 @@ static bool export_decl(Exporter *ex, Declaration *d) {
 		err_print(d->where, "Trying to export declaration, but a package output was not specified.");
 		return false;
 	}
-	putc((int)(d->idents[0]->id % 256), ex->out);
+	export_location(ex, d->where);
+	if (arr_len(d->idents) > 65535) {
+		err_print(d->where, "Too many identifiers in a declaration (the maximum is 65535).");
+		return false;
+	}
+	export_u16(ex, (U16)arr_len(d->idents));
+	arr_foreach(d->idents, Identifier, ident) {
+		export_ident(ex, *ident);
+	}
+
+	U8 constness = 0;
+	if (d->flags & DECL_IS_CONST) constness = 1;
+	else if (d->flags & DECL_SEMI_CONST) constness = 2;
+	export_u8(ex, constness);
+
+	U8 expr_kind = 0;
+	if (d->flags & DECL_HAS_EXPR) expr_kind = 1; /* export expression */
+	if (d->flags & DECL_FOUND_VAL) expr_kind = 2; /* export value */
+	export_u8(ex, expr_kind);
+	
+	
 	return true;
 }