iris

commit b39794bf4533e83cc46678f1e1435185db02816d
parent 9778d434bbfe285a9ea8a60619c3392448cb030e
Author: sin <sin@2f30.org>
Date:   Fri,  9 May 2014 15:45:33 +0100

Add initial parser - no real functionality yet

Diffstat:
M
Makefile
 | 
2
+-
A
parser.c
 | 
22
++++++++++++++++++++++
A
parser.h
 | 
37
+++++++++++++++++++++++++++++++++++++

3 files changed, 60 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
@@ -1,6 +1,6 @@
 BIN = iris
 VER = 0.0
-SRC = lexer.c repl.c
+SRC = lexer.c parser.c repl.c
 OBJ = ${SRC:.c=.o}
 
 CC = gcc
diff --git a/parser.c b/parser.c
@@ -0,0 +1,22 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "parser.h"
+
+struct object *
+newobject(void)
+{
+	struct object *o;
+
+	o = calloc(1, sizeof(*o));
+	if (!o)
+		return NULL;
+	return o;
+}
+
+int
+matchtype(struct object *o, enum objtype t)
+{
+	return o->type == t;
+}
diff --git a/parser.h b/parser.h
@@ -0,0 +1,37 @@
+/* See LICENSE file for copyright and license details. */
+enum objtype {
+	Oidentifier,
+	Obool,
+	Onumber,
+	Ocharacter,
+	Ostring,
+};
+
+struct object {
+	enum objtype type;
+	union {
+		/* identifier */
+		struct {
+			char *s;
+		} i;
+		/* boolean */
+		struct {
+			bool v;
+		} b;
+		/* number */
+		struct {
+			long v;
+		} n;
+		/* character */
+		struct {
+			char v;
+		} c;
+		/* string */
+		struct {
+			char *s;
+		} s;
+	} d;
+};
+
+int matchtype(struct object *, enum objtype);
+struct object *newobject(void);