Add project skeleton

1 files changed, 129 insertions, 0 deletions

diff --git a/parse.h b/parse.h
new file mode 100644
index 0000000..b1cfef5
--- /dev/null
+++ b/parse.h
@@ -0,0 +1,129 @@
+#ifndef PARSE_H
+#define PARSE_H
+
+#include "lex.h"
+
+struct u
+{
+    struct storage *storage;
+};
+
+struct s
+{
+    struct storage *storage;
+};
+
+union c
+{
+    unsigned long long uv;
+    long long v;
+};
+
+struct p
+{
+    struct fn *fn;
+};
+
+struct t
+{
+    const struct type *alias;
+};
+
+struct ptr
+{
+    const struct type *t;
+};
+
+struct ary
+{
+    unsigned long long n;
+    int etc;
+};
+
+struct builtin
+{
+    const char *name;
+};
+
+struct type
+{
+    enum {U, S, C, P, T, PTR, ARY, BUILTIN} type;
+    const struct tk *tk;
+    size_t sz, align;
+    int sign;
+    struct type *child, *next;
+
+    union
+    {
+        struct u u;
+        struct s s;
+        union c c;
+        struct p p;
+        struct t t;
+        struct ptr ptr;
+        struct ary ary;
+        struct builtin b;
+    } u;
+};
+
+struct param
+{
+    const struct tk *tk;
+    const struct stentry *entry;
+};
+
+struct pr
+{
+    const struct tk *tk;
+    struct param *params, *ret;
+    size_t nparams;
+    int variadic;
+};
+
+struct td
+{
+    const struct tk *tk;
+    struct type *types;
+    size_t ntypes;
+};
+
+struct fn
+{
+    const struct tk *tk;
+    const struct fn *parent;
+    enum linkage {EXTERNAL, STATIC} linkage;
+    struct storage *lk, *ws, *gl;
+    struct stmt *stmts;
+    struct im *imps;
+    struct pr *pr;
+    struct td *td;
+    size_t nstmts, nimps;
+};
+
+struct lit
+{
+    char *name;
+    const struct tk *tk;
+    const struct fn *fn;
+    struct lit *next;
+};
+
+struct ast
+{
+    struct fn *fns;
+    struct lit *lits, *lastlit;
+    struct type *types;
+    size_t nfns, litcnt;
+};
+
+struct im
+{
+    struct lex l;
+    struct ast ast;
+};
+
+int parse(const struct lex *l, struct ast *ast);
+int parse_im(const struct lex *l, struct ast *ast);
+void ast_free(struct ast *ast);
+
+#endif