From 9fbaf333e6b4a0d1ffdf588319ecf1b5ae0ac4d8 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Wed, 28 Oct 2009 19:10:53 -0400
Subject: Make '#include' work.

---
 dimension/tokenize.c         | 33 +++++++++++++++++++++++++++++++++
 tests/dimension/tokenizer.sh |  2 +-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/dimension/tokenize.c b/dimension/tokenize.c
index 97b26be..72418cc 100644
--- a/dimension/tokenize.c
+++ b/dimension/tokenize.c
@@ -362,6 +362,39 @@ dmnsn_tokenize(FILE *file)
       if (dmnsn_tokenize_directive(map, size, &token,
                                    &next, &line, &col) == 0) {
         if (token.type == DMNSN_INCLUDE) {
+          /* Skip whitespace */
+          while (next - map < size && isspace(*next) && *next != '\n') {
+            ++next;
+          }
+
+          if (dmnsn_tokenize_string(map, size, &token,
+                                    &next, &line, &col) != 0) {
+            fprintf(stderr,
+                    "Expected string after #include on line %u, column %u.\n",
+                    line, col);
+            goto bailout;
+          }
+          
+          FILE *included = fopen(token.value, "r");
+          if (!included) {
+            fprintf(stderr, "Couldn't include \"%s\" on line %u, column %u.\n",
+                    token.value, line, col);
+            goto bailout;
+          }
+
+          dmnsn_array *included_tokens = dmnsn_tokenize(included);
+          if (!included_tokens) {
+            fprintf(stderr, "Error tokenizing \"%s\"\n", token.value);
+            goto bailout;
+          }
+
+          unsigned int i;
+          for (i = 0; i < dmnsn_array_size(included_tokens); ++i) {
+            dmnsn_array_push(tokens, dmnsn_array_at(included_tokens, i));
+          }
+
+          dmnsn_delete_array(included_tokens);
+          continue;
         }
       } else {
         fprintf(stderr, "Invalid directive on line %u, column %u.\n",
diff --git a/tests/dimension/tokenizer.sh b/tests/dimension/tokenizer.sh
index f1f2b6b..762cced 100755
--- a/tests/dimension/tokenizer.sh
+++ b/tests/dimension/tokenizer.sh
@@ -59,7 +59,7 @@ if [ "$labels" != "$labels_exp" ]; then
 fi
 
 directives=$(${top_builddir}/dimension/dimension --tokenize ${srcdir}/directives.pov)
-directives_exp='(#include (string "punctuation.pov") #declare (identifier "x"))';
+directives_exp='({ \( [ < + - * / , > ] \) } #declare (identifier "x"))';
 
 if [ "$directives" != "$directives_exp" ]; then
   echo "directives.pov tokenized as \"$directives\"" >&2
-- 
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