gesamt: methodenaufrufe der art 'ID(...)'

[uebersetzerbau-ss10.git] / gesamt / code.bfe

diff --git a/gesamt/code.bfe b/gesamt/code.bfe
index 15eb808460cc8514a40a7b70e769c88cafad0885..8e3dfde8eb1444485cf2824b265d089798c4236f 100644 (file)
--- a/gesamt/code.bfe
+++ b/gesamt/code.bfe
@@ -182,16 +182,49 @@ void assign_var(struct treenode *bnode)
        printf("\tsub $%d, %%%s\n", KIDKID_VAL(0,1), KID_REG(1));
 }
 
+void make_call(struct treenode *bnode)
+{
+       int j;
+       /* vars pushen */
+       for(j = bnode->paramges; j < bnode->paramges + bnode->vars; j++) {
+               printf("\tpushq %%%s\n", param_reg(j));
+       }
+       printf("\tcall %s\n", bnode->name);
+
+       /* vars poppen */
+       for(j = bnode->paramges + bnode->vars - 1; j >= bnode->paramges; j--) {
+               printf("\tpopq %%%s\n", param_reg(j));
+       }
+
+       /* params poppen */
+       for(j = bnode->soffset - 1; j >= 0; j--) {
+               printf("\tpopq %%%s\n", param_reg(j));
+       }
+}
+
+void prep_arg(struct treenode *bnode, int moveit)
+{
+       printf("\t//args-nr.: %%%s to %%%s (moveit: %i)\n", BN_REG, param_reg(bnode->soffset), moveit);
+       printf("\tpushq %%%s\n", param_reg(bnode->soffset));
+       if(moveit) { /* expr */
+               move(BN_REG, param_reg(bnode->soffset));
+       } else { /* just O_ID */
+               KIDREG2PARM(0);
+               move(KID_REG(0), param_reg(bnode->soffset));
+       }
+}
+
 %}
 
 %start begin
-%term O_RET=1 O_NULL=2 O_SUB=3 O_MUL=4 O_OR=5 O_LESS=6 O_EQ=7 O_ID=8 O_ADD=9 O_NUM=10 O_FIELD=11 O_MTWO=12 O_MFOUR=13 O_MEIGHT=14 O_MONE=15 O_ASSIGN=16 O_IF=17 O_BOOL=18 O_CALL=19
+%term O_RET=1 O_NULL=2 O_SUB=3 O_MUL=4 O_OR=5 O_LESS=6 O_EQ=7 O_ID=8 O_ADD=9 O_NUM=10 O_FIELD=11 O_MTWO=12 O_MFOUR=13 O_MEIGHT=14 O_MONE=15 O_ASSIGN=16 O_IF=17 O_BOOL=18 O_CALL=19 O_ARG=20 O_NOTHING=21
 
 %%
 
 begin: ret # 0 # printf("\n");
 begin: assign # 0 #
 begin: ifstat # 0 #
+begin: args # 0 #
 
 
 assign: O_ASSIGN(expr, O_ID) # 1 # KIDREG2PARM(1); printf("\tmovq %%%s, %%%s\n", BN_REG, KID_REG(1));
@@ -219,8 +252,10 @@ expr: O_ID # 0 #
 expr: imm # 1 # moveimm(BN_VAL, BN_REG);
 expr: O_BOOL(expr) # 0 #
 
-expr: O_CALL # 0 # printf("\tcall %s\n", bnode->name);
-
+expr: O_CALL(expr,expr) # 0 # make_call(bnode);
+expr: O_ARG(expr,expr) # 1 # prep_arg(bnode, 1);
+expr: O_ARG(O_ID,expr) # 1 # prep_arg(bnode, 0);
+expr: O_NOTHING # 0 #
 
 expr: O_SUB(expr,expr)          # 2 # gen_e_eno(bnode, "subq");
 expr: O_SUB(expr,O_FIELD(expr)) # 2 # gen_e_field(bnode, "subq");