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authorTavian Barnes <tavianator@gmail.com>2009-10-29 23:36:52 -0400
committerTavian Barnes <tavianator@gmail.com>2009-10-29 23:36:52 -0400
commitf5f8d18d86e15e0bd14f955768edb616e1357a66 (patch)
treebf8398673c364bb2475baf8946631779ef443d8b /dimension
parent29963e449e8e4c8a3b4eeda9ef9a57083184697d (diff)
downloaddimension-f5f8d18d86e15e0bd14f955768edb616e1357a66.tar.xz
Skeleton of parser and realizer.
Diffstat (limited to 'dimension')
-rw-r--r--dimension/Makefile.am4
-rw-r--r--dimension/main.c56
-rw-r--r--dimension/parse.c39
-rw-r--r--dimension/parse.h29
-rw-r--r--dimension/realize.c28
-rw-r--r--dimension/realize.h22
6 files changed, 169 insertions, 9 deletions
diff --git a/dimension/Makefile.am b/dimension/Makefile.am
index da8d86d..5445c80 100644
--- a/dimension/Makefile.am
+++ b/dimension/Makefile.am
@@ -22,6 +22,10 @@ INCLUDES = -I$(top_srcdir)/libdimension
bin_PROGRAMS = dimension
dimension_SOURCES = main.c \
+ parse.c \
+ parse.h \
+ realize.c \
+ realize.h \
tokenize.c \
tokenize.h \
utility.c \
diff --git a/dimension/main.c b/dimension/main.c
index 76c5ff6..990ee14 100644
--- a/dimension/main.c
+++ b/dimension/main.c
@@ -18,16 +18,17 @@
*************************************************************************/
#include "tokenize.h"
+#include "parse.h"
+#include "realize.h"
#include "../libdimension/dimension.h"
#include <stdlib.h>
#include <getopt.h>
static const char *output = NULL, *input = NULL;
-static int tokenize = 0;
+static int tokenize = 0, parse = 0;
int
main(int argc, char **argv) {
- dmnsn_array *tokens;
FILE *input_file, *output_file;
/*
@@ -38,6 +39,7 @@ main(int argc, char **argv) {
{ "output", required_argument, NULL, 'o' },
{ "input", required_argument, NULL, 'i' },
{ "tokenize", no_argument, &tokenize, 1 },
+ { "parse", no_argument, &parse, 1 },
{ 0, 0, 0, 0 }
};
int opt, opt_index;
@@ -81,10 +83,11 @@ main(int argc, char **argv) {
input = argv[optind];
}
} else if (optind < argc) {
- dmnsn_error(DMNSN_SEVERITY_HIGH, "Invalid extranious command line options.");
+ dmnsn_error(DMNSN_SEVERITY_HIGH,
+ "Invalid extranious command line options.");
}
- if (!output && !tokenize) {
+ if (!output && !(tokenize || parse)) {
dmnsn_error(DMNSN_SEVERITY_HIGH, "No output file specified.");
}
if (!input) {
@@ -98,33 +101,68 @@ main(int argc, char **argv) {
}
/* Tokenize the input file */
- tokens = dmnsn_tokenize(input, input_file);
+ dmnsn_array *tokens = dmnsn_tokenize(input, input_file);
if (!tokens) {
fclose(input_file);
dmnsn_error(DMNSN_SEVERITY_HIGH, "Error tokenizing input file.");
}
+ fclose(input_file);
/* Debugging option - output the list of tokens as an S-expression */
if (tokenize) {
dmnsn_print_token_sexpr(stdout, tokens);
+
+ if (!parse) {
+ dmnsn_delete_tokens(tokens);
+ return EXIT_SUCCESS;
+ }
+ }
+
+ /* Parse the input */
+ dmnsn_array *astree = dmnsn_parse(tokens);
+ if (!astree) {
dmnsn_delete_tokens(tokens);
- fclose(input_file);
+ dmnsn_error(DMNSN_SEVERITY_HIGH, "Error parsing input file.");
+ }
+ dmnsn_delete_tokens(tokens);
+
+ /* Debugging option - output the abstract syntax tree as an S-expression */
+ if (parse) {
+ dmnsn_print_astree_sexpr(stdout, astree);
+ dmnsn_delete_astree(astree);
return EXIT_SUCCESS;
}
+ /* Realize the input */
+ dmnsn_scene *scene = dmnsn_realize(astree);
+ if (!scene) {
+ dmnsn_delete_astree(astree);
+ dmnsn_error(DMNSN_SEVERITY_HIGH, "Error realizing input file.");
+ }
+ dmnsn_delete_astree(astree);
+
/*
* Now we render the scene
*/
+ if (dmnsn_raytrace_scene(scene) != 0) {
+ dmnsn_delete_scene(scene);
+ dmnsn_error(DMNSN_SEVERITY_HIGH, "Error rendering scene.");
+ }
+ dmnsn_delete_scene(scene);
+
/* Open the output file */
output_file = fopen(output, "wb");
if (!output_file) {
dmnsn_error(DMNSN_SEVERITY_HIGH, "Couldn't open output file.");
}
- /* Clean up and exit! */
- dmnsn_delete_tokens(tokens);
+ if (dmnsn_png_write_canvas(scene->canvas, output_file) != 0) {
+ fclose(output_file);
+ dmnsn_error(DMNSN_SEVERITY_HIGH, "Couldn't write output.");
+ }
fclose(output_file);
- fclose(input_file);
+
+ /* Clean up and exit! */
return EXIT_SUCCESS;
}
diff --git a/dimension/parse.c b/dimension/parse.c
new file mode 100644
index 0000000..2c1b67c
--- /dev/null
+++ b/dimension/parse.c
@@ -0,0 +1,39 @@
+/*************************************************************************
+ * Copyright (C) 2009 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of Dimension. *
+ * *
+ * Dimension is free software; you can redistribute it and/or modify it *
+ * under the terms of the GNU General Public License as published by the *
+ * Free Software Foundation; either version 3 of the License, or (at *
+ * your option) any later version. *
+ * *
+ * Dimension is distributed in the hope that it will be useful, but *
+ * WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "parse.h"
+#include "tokenize.h"
+#include "utility.h"
+
+dmnsn_array *
+dmnsn_parse(dmnsn_array *tokens)
+{
+ return NULL;
+}
+
+void
+dmnsn_delete_astree(dmnsn_array *astree)
+{
+ dmnsn_delete_array(astree);
+}
+
+void
+dmnsn_print_astree_sexpr(FILE *file, const dmnsn_array *tokens)
+{
+}
diff --git a/dimension/parse.h b/dimension/parse.h
new file mode 100644
index 0000000..d51144a
--- /dev/null
+++ b/dimension/parse.h
@@ -0,0 +1,29 @@
+/*************************************************************************
+ * Copyright (C) 2009 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of Dimension. *
+ * *
+ * Dimension is free software; you can redistribute it and/or modify it *
+ * under the terms of the GNU General Public License as published by the *
+ * Free Software Foundation; either version 3 of the License, or (at *
+ * your option) any later version. *
+ * *
+ * Dimension is distributed in the hope that it will be useful, but *
+ * WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "../libdimension/dimension.h"
+
+/* The workhorse */
+dmnsn_array *dmnsn_parse(dmnsn_array *tokens);
+
+/* Free an abstract syntax tree */
+void dmnsn_delete_astree(dmnsn_array *astree);
+
+/* Print an S-expression of the abstract syntax tree to `file' */
+void dmnsn_print_astree_sexpr(FILE *file, const dmnsn_array *tokens);
diff --git a/dimension/realize.c b/dimension/realize.c
new file mode 100644
index 0000000..7f5e385
--- /dev/null
+++ b/dimension/realize.c
@@ -0,0 +1,28 @@
+/*************************************************************************
+ * Copyright (C) 2009 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of Dimension. *
+ * *
+ * Dimension is free software; you can redistribute it and/or modify it *
+ * under the terms of the GNU General Public License as published by the *
+ * Free Software Foundation; either version 3 of the License, or (at *
+ * your option) any later version. *
+ * *
+ * Dimension is distributed in the hope that it will be useful, but *
+ * WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "realize.h"
+#include "parse.h"
+#include "utility.h"
+
+dmnsn_scene *
+dmnsn_realize(dmnsn_array *astree)
+{
+ return dmnsn_new_scene();
+}
diff --git a/dimension/realize.h b/dimension/realize.h
new file mode 100644
index 0000000..fa2b6eb
--- /dev/null
+++ b/dimension/realize.h
@@ -0,0 +1,22 @@
+/*************************************************************************
+ * Copyright (C) 2009 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of Dimension. *
+ * *
+ * Dimension is free software; you can redistribute it and/or modify it *
+ * under the terms of the GNU General Public License as published by the *
+ * Free Software Foundation; either version 3 of the License, or (at *
+ * your option) any later version. *
+ * *
+ * Dimension is distributed in the hope that it will be useful, but *
+ * WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "../libdimension/dimension.h"
+
+dmnsn_scene *dmnsn_realize(dmnsn_array *astree);