iris

small scheme interpreter
git clone git://git.2f30.org/iris.git
Log | Files | Refs | LICENSE

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

Add initial parser - no real functionality yet

Diffstat:
Makefile | 2+-
parser.c | 22++++++++++++++++++++++
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);