X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=ast.h;h=0059e823fa303c0bc895ea3e7d0a7db4c68e8ce1;hb=897bd5727e61d8a7b9c3bc557818834c06fd84a4;hp=a5eee195eff07d168b9f774e3e0a29831ebae73e;hpb=647582aeb4a36a0a71e3426896aeb195308b4d88;p=xonotic%2Fgmqcc.git

diff --git a/ast.h b/ast.h
index a5eee19..0059e82 100644
--- a/ast.h
+++ b/ast.h
@@ -36,6 +36,7 @@ typedef struct ast_function_s   ast_function;
 typedef struct ast_block_s      ast_block;
 typedef struct ast_binary_s     ast_binary;
 typedef struct ast_store_s      ast_store;
+typedef struct ast_binstore_s   ast_binstore;
 typedef struct ast_entfield_s   ast_entfield;
 typedef struct ast_ifthen_s     ast_ifthen;
 typedef struct ast_ternary_s    ast_ternary;
@@ -53,6 +54,7 @@ enum {
     TYPE_ast_block,
     TYPE_ast_binary,
     TYPE_ast_store,
+    TYPE_ast_binstore,
     TYPE_ast_entfield,
     TYPE_ast_ifthen,
     TYPE_ast_ternary,
@@ -64,6 +66,7 @@ enum {
 };
 
 #define ast_istype(x, t) ( ((ast_node_common*)x)->nodetype == (TYPE_##t) )
+#define ast_ctx(node) (((ast_node_common*)(node))->context)
 
 /* Node interface with common components
  */
@@ -104,6 +107,13 @@ typedef struct
     int                     vtype;
     ast_expression         *next;
     MEM_VECTOR_MAKE(ast_value*, params);
+    /* The codegen functions should store their output values
+     * so we can call it multiple times without re-evaluating.
+     * Store lvalue and rvalue seperately though. So that
+     * ast_entfield for example can generate both if required.
+     */
+    ir_value               *outl;
+    ir_value               *outr;
 } ast_expression_common;
 MEM_VECTOR_PROTO(ast_expression_common, ast_value*, params);
 
@@ -133,8 +143,6 @@ struct ast_value_s
         const char   *vstring;
         int           ventity;
         ast_function *vfunc;
-        quaternion    vquat;
-        matrix        vmat;
     } constval;
 
     ir_value *ir_v;
@@ -152,6 +160,8 @@ bool ast_global_codegen(ast_value *self, ir_builder *ir);
 
 bool GMQCC_WARN ast_value_params_add(ast_value*, ast_value*);
 
+bool ast_compare_type(ast_expression *a, ast_expression *b);
+
 /* Binary
  *
  * A value-returning binary expression.
@@ -172,6 +182,29 @@ void ast_binary_delete(ast_binary*);
 
 bool ast_binary_codegen(ast_binary*, ast_function*, bool lvalue, ir_value**);
 
+/* Binstore
+ *
+ * An assignment including a binary expression with the source as left operand.
+ * Eg. a += b; is a binstore { INSTR_STORE, INSTR_ADD, a, b }
+ */
+struct ast_binstore_s
+{
+    ast_expression_common expression;
+
+    int             opstore;
+    int             opbin;
+    ast_expression *dest;
+    ast_expression *source;
+};
+ast_binstore* ast_binstore_new(lex_ctx    ctx,
+                               int        storeop,
+                               int        op,
+                               ast_expression *left,
+                               ast_expression *right);
+void ast_binstore_delete(ast_binstore*);
+
+bool ast_binstore_codegen(ast_binstore*, ast_function*, bool lvalue, ir_value**);
+
 /* Unary
  *
  * Regular unary expressions: not,neg