From 9c202860ad2bc391a0ac8bc2e99b3e5624d2b472 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Jan 02 2016 03:50:24 +0000
Subject: amgc_init_unit_meta(): initial implementation and integration.


---

diff --git a/include/apimagic/apimagic.h b/include/apimagic/apimagic.h
index 7d17211..500463c 100644
--- a/include/apimagic/apimagic.h
+++ b/include/apimagic/apimagic.h
@@ -65,10 +65,22 @@ struct amgc_driver_ctx {
 	int				nerrors;
 };
 
+struct amgc_unit_meta {
+	int	ndefines;
+	int	nenums;
+	int	nenumvals;
+	int	ntypedefs;
+	int	nstructs;
+	int	nunions;
+	int	nfunctions;
+	int	ngenerated;
+};
+
 struct amgc_unit_ctx {
 	const char * const *		path;
 	const struct amgc_input *	map;
 	const struct amgc_common_ctx *	cctx;
+	const struct amgc_unit_meta *	meta;
 	const struct compilation_unit_t*ccunit;
 	void *				any;
 	int				status;
@@ -91,6 +103,9 @@ amgc_api int  amgc_lang_std_from_string	(const char * std);
 
 /* utility api */
 
+/* low-level api */
+amgc_api int  amgc_init_unit_meta	(const struct amgc_unit_ctx *, struct amgc_unit_meta *);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/project/common.mk b/project/common.mk
index a717358..7179244 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -2,6 +2,7 @@ COMMON_SRCS = \
 	src/driver/amgc_driver_ctx.c \
 	src/driver/amgc_paradigm_meta.c \
 	src/driver/amgc_unit_ctx.c \
+	src/logic/amgc_init_unit_meta.c \
 	src/logic/amgc_map_input.c \
 	src/skin/amgc_skin_default.c \
 
diff --git a/src/driver/amgc_unit_ctx.c b/src/driver/amgc_unit_ctx.c
index a37706c..4da986a 100644
--- a/src/driver/amgc_unit_ctx.c
+++ b/src/driver/amgc_unit_ctx.c
@@ -154,8 +154,12 @@ int amgc_get_unit_ctx(
 	ctx->uctx.path	= &ctx->path;
 	ctx->uctx.map	= &ctx->map;
 	ctx->uctx.cctx	= &ctx->cctx;
+	ctx->uctx.meta	= &ctx->meta;
 	ctx->uctx.ccunit= &ctx->ccunit;
 
+	if (amgc_init_unit_meta(&ctx->uctx,&ctx->meta))
+		return amgc_free_unit_ctx_impl(ctx,-1);
+
 	*pctx = &ctx->uctx;
 	return 0;
 }
diff --git a/src/internal/apimagic_driver_impl.h b/src/internal/apimagic_driver_impl.h
index beb12b7..98f4465 100644
--- a/src/internal/apimagic_driver_impl.h
+++ b/src/internal/apimagic_driver_impl.h
@@ -25,6 +25,7 @@ struct amgc_unit_ctx_impl {
 	struct amgc_input		map;
 	struct amgc_common_ctx		cctx;
 	struct amgc_unit_ctx		uctx;
+	struct amgc_unit_meta		meta;
 	struct compilation_unit_t	ccunit;
 };
 
diff --git a/src/logic/amgc_init_unit_meta.c b/src/logic/amgc_init_unit_meta.c
new file mode 100644
index 0000000..fec660d
--- /dev/null
+++ b/src/logic/amgc_init_unit_meta.c
@@ -0,0 +1,62 @@
+/**********************************************************/
+/*  apimagic: cparser-based API normalization utility     */
+/*  Copyright (C) 2015--2016  Z. Gilboa                   */
+/*  Released under GPLv2 and GPLv3; see COPYING.APIMAGIC. */
+/**********************************************************/
+
+#include <cparser/ast/ast_t.h>
+#include <cparser/ast/entity_t.h>
+
+#include <apimagic/apimagic.h>
+
+int amgc_init_unit_meta(
+	const struct amgc_unit_ctx *	uctx,
+	struct amgc_unit_meta *		meta)
+{
+	union entity_t * entity;
+
+	entity = uctx->ccunit->ast->scope.first_entity;
+
+	for (; entity; entity=entity->base.next) {
+		if (strcmp(*uctx->path,entity->base.pos.input_name))
+			continue;
+
+		if ((is_declaration(entity)) &&  (entity->declaration.implicit))
+				meta->ngenerated++;
+
+		else {
+			switch (entity->kind) {
+				case ENTITY_ENUM:
+					meta->nenums++;
+					break;
+
+				case ENTITY_ENUM_VALUE:
+					meta->nenumvals++;
+					break;
+
+				case ENTITY_TYPEDEF:
+					meta->ntypedefs++;
+					break;
+
+				case ENTITY_STRUCT:
+					if (entity->base.symbol || entity->compound.alias)
+						meta->nstructs++;
+					break;
+
+				case ENTITY_UNION:
+					if (entity->base.symbol || entity->compound.alias)
+						meta->nunions++;
+					break;
+
+				case ENTITY_FUNCTION:
+					meta->nfunctions++;
+					break;
+
+				default:
+					break;
+			}
+		}
+	}
+
+	return 0;
+}