From: Wolfgang (Blub) Bumiller <blub@speed.at>
Date: Wed, 25 Apr 2012 11:24:25 +0000 (+0200)
Subject: Adding from astcodegen.c
X-Git-Tag: 0.1-rc1~625
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=6236a0c464fcc72a7da50494928952a7218591d8;p=xonotic%2Fgmqcc.git

Adding from astcodegen.c
---

diff --git a/ast.c b/ast.c
index 26389ca..ef550e0 100644
--- a/ast.c
+++ b/ast.c
@@ -153,3 +153,77 @@ void ast_function_delete(ast_function *self)
     MEM_VECTOR_CLEAR(self, blocks);
     mem_d(self);
 }
+
+/*********************************************************************/
+/* AST codegen aprt
+ */
+
+static qbool ast_value_gen_global(ir_builder *ir, ast_value *self, ir_value **out)
+{
+	ir_value *v;
+	*out = NULL;
+
+	/* Generate functions */
+	if (self->vtype == qc_function && self->has_constval)
+	{
+		/* Without has_constval it would be invalid... function pointers actually have
+		 * type qc_pointer and next with type qc_function
+		 */
+		ast_function *func = self->cvalue.vfunc;
+		(void)func;
+		if (!ast_function_codegen(func, ir))
+			return ifalse;
+
+		/* Here we do return NULL anyway */
+		return itrue;
+	}
+	else if (self->vtype == qc_function && !self->has_constval) {
+		fprintf(stderr,
+		"!v->has_constval <- qc_function body missing - FIXME: remove when implementing prototypes\n");
+		fprintf(stderr, "Value: %s\n", self->_name);
+		abort();
+	}
+
+	v = ir_builder_create_global(ir, self->_name, self->vtype);
+	self->ir_v = v;
+
+	*out = v;
+	return itrue;
+}
+
+qbool ast_value_codegen(ast_value *self, ast_function *func, ir_value **out)
+{
+	if (!func)
+		return ast_value_gen_global(parser.ir, self, out);
+	return ifalse;
+}
+
+qbool ast_function_codegen(ast_function *self, ir_builder *builder)
+{
+	size_t i;
+	for (i = 0; i < self->blocks_count; ++i)
+	{
+		ast_expression *expr;
+		ir_value *out;
+
+		expr = (ast_expression*)self->blocks[i];
+
+		if (!(expr->expression.codegen)(expr, self, &out))
+		{
+			/* there was an error while building this expression... */
+			return ifalse;
+		}
+		(void)out;
+	}
+	return itrue;
+}
+
+qbool ast_block_codegen(ast_block *self, ir_function *func, ir_value **out)
+{
+	return ifalse;
+}
+
+qbool ast_bin_store_codegen(ast_binary *self, ir_function *func, ir_value **out)
+{
+	return ifalse;
+}