cproc

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commit 212dd57e0a870e8fc5532477583e36e465825c5b
parent 79a8df42a334dab965fa32b6bf4230829dde0d0f
Author: Michael Forney <mforney@mforney.org>
Date:   Wed, 24 Apr 2019 21:13:46 -0700

Free functions when we're done with them

Diffstat:
Mcc.h | 1+
Mdecl.c | 1+
Mqbe.c | 18++++++++++++++++++
3 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/cc.h b/cc.h @@ -487,6 +487,7 @@ struct value *mkintconst(struct repr *, uint64_t); uint64_t intconstvalue(struct value *); struct func *mkfunc(char *, struct type *, struct scope *); +void delfunc(struct func *); struct type *functype(struct func *); void funclabel(struct func *, struct value *); struct value *funcexpr(struct func *, struct expr *); diff --git a/decl.c b/decl.c @@ -938,6 +938,7 @@ decl(struct scope *s, struct func *f) stmt(f, s); emitfunc(f, d->linkage == LINKEXTERN); s = delscope(s); + delfunc(f); d->defined = true; return true; } diff --git a/qbe.c b/qbe.c @@ -3,6 +3,7 @@ #include <errno.h> #include <stdbool.h> #include <stdio.h> +#include <stdlib.h> #include <string.h> #include <inttypes.h> #include "util.h" @@ -413,6 +414,23 @@ mkfunc(char *name, struct type *t, struct scope *s) return f; } +void +delfunc(struct func *f) +{ + struct block *b; + struct inst **inst; + + while (b = f->start) { + f->start = b->next; + arrayforeach (&b->insts, inst) + free(*inst); + free(b->insts.val); + free(b); + } + delmap(f->gotos, free); + free(f); +} + struct type * functype(struct func *f) {