Merge branch 'master' into blub/bc3

[xonotic/gmqcc.git] / ast.h

diff --git a/ast.h b/ast.h
index 458d80f574df7d066ed822212008cd2b1b261fce..61bacce6787ceaff6f5adf563a803c1bc97866a0 100644 (file)
--- a/ast.h
+++ b/ast.h
@@ -41,6 +41,8 @@ typedef struct ast_ifthen_s     ast_ifthen;
 typedef struct ast_ternary_s    ast_ternary;
 typedef struct ast_loop_s       ast_loop;
 typedef struct ast_call_s       ast_call;
+typedef struct ast_unary_s      ast_unary;
+typedef struct ast_return_s     ast_return;
 
 /* Node interface with common components
  */
@@ -79,7 +81,9 @@ typedef struct
     ast_expression_codegen *codegen;
     int                     vtype;
     ast_expression         *next;
+    MEM_VECTOR_MAKE(ast_value*, params);
 } ast_expression_common;
+MEM_VECTOR_PROTO(ast_expression_common, ast_value*, params);
 
 /* Value
  *
@@ -107,16 +111,12 @@ struct ast_value_s
         const char   *vstring;
         int           ventity;
         ast_function *vfunc;
+        quaternion    vquat;
+        matrix        vmat;
     } constval;
 
     ir_value *ir_v;
-
-    /* if vtype is qc_function, params contain parameters, and
-     * 'next' the return type.
-     */
-    MEM_VECTOR_MAKE(ast_value*, params);
 };
-MEM_VECTOR_PROTO(ast_value, ast_value*, params);
 
 ast_value* ast_value_new(lex_ctx ctx, const char *name, int qctype);
 /* This will NOT delete an underlying ast_function */
@@ -125,9 +125,11 @@ void ast_value_delete(ast_value*);
 bool ast_value_set_name(ast_value*, const char *name);
 
 bool ast_value_codegen(ast_value*, ast_function*, bool lvalue, ir_value**);
-bool ast_local_codegen(ast_value *self, ir_function *func);
+bool ast_local_codegen(ast_value *self, ir_function *func, bool isparam);
 bool ast_global_codegen(ast_value *self, ir_builder *ir);
 
+bool GMQCC_WARN ast_value_params_add(ast_value*, ast_value*);
+
 /* Binary
  *
  * A value-returning binary expression.
@@ -148,6 +150,41 @@ void ast_binary_delete(ast_binary*);
 
 bool ast_binary_codegen(ast_binary*, ast_function*, bool lvalue, ir_value**);
 
+/* Unary
+ *
+ * Regular unary expressions: not,neg
+ */
+struct ast_unary_s
+{
+    ast_expression_common expression;
+
+    int             op;
+    ast_expression *operand;
+};
+ast_unary* ast_unary_new(lex_ctx    ctx,
+                         int        op,
+                         ast_expression *expr);
+void ast_unary_delete(ast_unary*);
+
+bool ast_unary_codegen(ast_unary*, ast_function*, bool lvalue, ir_value**);
+
+/* Return
+ *
+ * Make sure 'return' only happens at the end of a block, otherwise the IR
+ * will refuse to create further instructions.
+ * This should be honored by the parser.
+ */
+struct ast_return_s
+{
+    ast_expression_common expression;
+    ast_expression *operand;
+};
+ast_return* ast_return_new(lex_ctx    ctx,
+                           ast_expression *expr);
+void ast_return_delete(ast_return*);
+
+bool ast_return_codegen(ast_return*, ast_function*, bool lvalue, ir_value**);
+
 /* Entity-field
  *
  * This must do 2 things:
@@ -183,11 +220,11 @@ struct ast_store_s
 {
     ast_expression_common expression;
     int             op;
-    ast_value      *dest; /* When we add pointers this might have to change to expression */
+    ast_expression *dest;
     ast_expression *source;
 };
 ast_store* ast_store_new(lex_ctx ctx, int op,
-                         ast_value *d, ast_expression *s);
+                         ast_expression *d, ast_expression *s);
 void ast_store_delete(ast_store*);
 
 bool ast_store_codegen(ast_store*, ast_function*, bool lvalue, ir_value**);
@@ -322,6 +359,7 @@ struct ast_block_s
 };
 ast_block* ast_block_new(lex_ctx ctx);
 void ast_block_delete(ast_block*);
+bool ast_block_set_type(ast_block*, ast_expression *from);
 
 MEM_VECTOR_PROTO(ast_block, ast_value*, locals);
 MEM_VECTOR_PROTO(ast_block, ast_expression*, exprs);