* sout:
*/
@autoinh s gparamges
-@autosyn node
+@autosyn node imm
@attributes { char *name; } IDENT
@attributes { long val; } NUM
@attributes { struct symbol *f; int offsetcount; } FeldID
@attributes { struct symbol *s; } Methoddef
@attributes { struct symbol *s; int gparamges; } Statseq Exprs
-@attributes { struct symbol *s; int gparamges; struct treenode *node; int exprcount; } Expr Minusterm Multerm Orterm Feld Term
+@attributes { struct symbol *s; int gparamges; struct treenode *node; int exprcount; short imm; } Expr Minusterm Multerm Orterm Feld Term
@attributes { struct symbol *s; int gparamges; struct treenode *node; } Lexpr
@attributes { struct symbol *sin; int gparamges; struct symbol *sout; struct treenode *node; } Statement
statinout()
xxputsin(@Expr.s@,)
@i @Statement.node@ = new_node(O_RET, @Expr.node@, TREENULL, @Expr.exprcount@+1); fprintf(stderr, "RETURN: %s (gparamges: %i, exprcount: %i, gesamt %i [maximal: 7])\n", @Expr.gparamges@ + @Expr.exprcount@ + 1 > 7 ? "zu hohe tiefe" : "tiefe passt", @Expr.gparamges@, @Expr.exprcount@+1, @Expr.gparamges@+@Expr.exprcount@+1);
- @reg @Statement.node@->reg = @Expr.node@->reg = next_reg((char *)NULL, 0, @Expr.gparamges@);
+ @reg @Statement.node@->reg = @Expr.node@->reg = next_reg((char *)NULL, @Expr.gparamges@);
@}
;
@{
@i @Expr.exprcount@ = @Term.exprcount@ + @Minusterm.exprcount@; fprintf(stderr, "(Expr)- Term Minusterm\n");
@i @Expr.node@ = new_node(O_SUB, @Term.node@, @Minusterm.node@, @Expr.exprcount@);
+ @i @Expr.imm@ = @Term.imm@ && @Minusterm.imm@;
@reg {
- /* TODO */
- @Term.node@->reg = @Expr.node@->reg;
- @Term.node@->skip = 0;
- @Minusterm.node@->reg = next_reg(@Term.node@->reg, @Expr.node@->skip, @Expr.gparamges@);
+ if(!(@Expr.node@->kids[0] == TREENULL && @Expr.node@->kids[1] == TREENULL)) {
+ @Term.node@->reg = @Expr.node@->reg;
+ if(@Minusterm.imm@) {
+ @Minusterm.node@->reg = @Expr.node@->reg;
+ } else {
+ @Minusterm.node@->reg = next_reg(@Term.node@->reg, @Expr.gparamges@);
+ }
+ }
}
@}
@{
@i @Expr.exprcount@ = @Term.exprcount@ + @Multerm.exprcount@; fprintf(stderr, "(Expr)- Term Multerm\n");
@i @Expr.node@ = new_node(O_MUL, @Term.node@, @Multerm.node@, @Expr.exprcount@);
+ @i @Expr.imm@ = @Term.imm@ && @Multerm.imm@;
@reg {
- /* TODO */
@Term.node@->reg = @Expr.node@->reg;
- @Term.node@->skip = 0;
- @Multerm.node@->reg = next_reg(@Term.node@->reg, @Expr.node@->skip, @Expr.gparamges@);
+ if(@Term.imm@) {
+ @Multerm.node@->reg = @Expr.node@->reg;
+ } else {
+ @Multerm.node@->reg = next_reg(@Term.node@->reg, @Expr.gparamges@);
+ }
}
@}
@{
@i @Expr.exprcount@ = @Term.exprcount@ + @Orterm.exprcount@; fprintf(stderr, "(Expr)- Term Orterm\n");
@i @Expr.node@ = new_node(O_OR, @Term.node@, @Orterm.node@, @Expr.exprcount@);
+ @i @Expr.imm@ = @Term.imm@ && @Orterm.imm@;
@reg {
- /* TODO */
@Term.node@->reg = @Expr.node@->reg;
- @Term.node@->skip = 0;
- @Orterm.node@->reg = next_reg(@Term.node@->reg, @Expr.node@->skip, @Expr.gparamges@);
+ @Orterm.node@->reg = next_reg(@Term.node@->reg, @Expr.gparamges@);
}
@}
@{
@i @Expr.exprcount@ = @Term.0.exprcount@ + @Term.1.exprcount@; fprintf(stderr, "(Expr)- Term < Term\n");
@i @Expr.node@ = new_node(O_LESS, @Term.0.node@, @Term.1.node@, @Expr.exprcount@);
+ @i @Expr.imm@ = @Term.0.imm@ && @Term.0.imm@;
@reg {
@Term.0.node@->reg = @Expr.node@->reg;
- @Term.1.node@->reg = next_reg(@Term.0.node@->reg, @Expr.node@->skip, @Expr.gparamges@);
+ @Term.1.node@->reg = next_reg(@Term.0.node@->reg, @Expr.gparamges@);
}
@}
@{
@i @Expr.exprcount@ = @Term.0.exprcount@ + @Term.1.exprcount@; fprintf(stderr, "(Expr)- Term = Term\n");
@i @Expr.node@ = new_node(O_EQ, @Term.0.node@, @Term.1.node@, @Expr.exprcount@);
+ @i @Expr.imm@ = @Term.0.imm@ && @Term.0.imm@;
@reg {
@Term.0.node@->reg = @Expr.node@->reg;
- @Term.1.node@->reg = next_reg(@Term.0.node@->reg, @Expr.node@->skip, @Expr.gparamges@);
+ @Term.1.node@->reg = next_reg(@Term.0.node@->reg, @Expr.gparamges@);
}
@}
;
@{
@i @Minusterm.0.exprcount@ = @Term.exprcount@ + @Minusterm.1.exprcount@; fprintf(stderr, "(Minusterm)- - Term Minusterm\n");
@i @Minusterm.node@ = new_node(O_ADD, @Minusterm.1.node@, @Term.node@, @Minusterm.0.exprcount@);
+ @i @Minusterm.0.imm@ = @Term.imm@ && @Minusterm.1.imm@;
@reg {
@Minusterm.1.node@->reg = @Minusterm.node@->reg;
- @Term.node@->reg = next_reg(@Minusterm.1.node@->reg, @Minusterm.node@->skip, @Minusterm.gparamges@);
+ if(@Minusterm.1.imm@) {
+ @Term.node@->reg = @Minusterm.node@->reg;
+ } else {
+ @Term.node@->reg = next_reg(@Minusterm.1.node@->reg, @Minusterm.gparamges@);
+ }
}
@}
@{
@i @Multerm.0.exprcount@ = @Term.exprcount@ + @Multerm.1.exprcount@; fprintf(stderr, "(Multerm)- - Term Multerm\n");
@i @Multerm.node@ = new_node(O_MUL, @Multerm.1.node@, @Term.node@, @Multerm.0.exprcount@);
+ @i @Multerm.0.imm@ = @Term.imm@ && @Multerm.1.imm@;
@reg {
@Multerm.1.node@->reg = @Multerm.node@->reg;
- @Term.node@->reg = next_reg(@Multerm.1.node@->reg, @Multerm.node@->skip, @Multerm.gparamges@);
+ if(@Multerm.1.imm@) {
+ @Term.node@->reg = @Multerm.node@->reg;
+ } else {
+ @Term.node@->reg = next_reg(@Multerm.1.node@->reg, @Multerm.gparamges@);
+ }
}
@}
@{
@i @Orterm.0.exprcount@ = @Term.exprcount@ + @Orterm.1.exprcount@; fprintf(stderr, "(Orterm)- - Term Orterm\n");
@i @Orterm.node@ = new_node(O_OR, @Orterm.1.node@, @Term.node@, @Orterm.0.exprcount@);
+ @i @Orterm.0.imm@ = @Term.imm@ && @Orterm.1.imm@;
@reg {
@Orterm.1.node@->reg = @Orterm.node@->reg;
- @Term.node@->reg = next_reg(@Orterm.1.node@->reg, @Orterm.node@->skip, @Orterm.gparamges@);
+ if(@Orterm.1.imm@) {
+ @Term.node@->reg = @Orterm.node@->reg;
+ } else {
+ @Term.node@->reg = next_reg(@Orterm.1.node@->reg, @Orterm.gparamges@);
+ }
}
@}
| OR Term
@{
@i @Term.exprcount@ = 0; fprintf(stderr, "(Term)- NUM\n");
@i @Term.node@ = new_number(@NUM.val@, @Term.exprcount@);
+ @i @Term.imm@ = 1;
@}
| '-' NUM
@{
@i @Term.exprcount@ = 0; fprintf(stderr, "(Term)- - NUM\n");
@i @Term.node@ = new_number(-1 * (@NUM.val@), @Term.exprcount@);
+ @i @Term.imm@ = 1;
@}
| THIS
@{
@i @Term.exprcount@ = 0; fprintf(stderr, "(Term)- THIS\n");
@i @Term.node@ = new_param(O_ID, strdup("this"), TREENULL, TREENULL, 0, @Term.exprcount@);
+ @i @Term.imm@ = 0;
@}
| IDENT
@c check(@Term.s@, @IDENT.name@, S_VAR|S_PARM);
@i @Term.exprcount@ = 0; fprintf(stderr, "(Term)- IDENT\n");
+ @i @Term.imm@ = 0;
@i {
@Term.node@ = TREENULL;
if(tab_lookup(@Term.s@, @IDENT.name@, S_VAR|S_PARM) == SYMNULL) {
@{
@i @Term.node@ = @Feld.node@;
/*TODO*/@i @Term.exprcount@ = 0;
+ @i @Term.imm@ = 0;
@}
| IDENT '(' Exprs ')'
@{
@i @Term.node@ = TREENULL;
/*TODO*/@i @Term.exprcount@ = 0;
+ @i @Term.imm@ = 0;
@}
| Term '.' IDENT '(' Exprs ')'
@{
@i @Term.node@ = TREENULL;
/*TODO*/@i @Term.exprcount@ = 0;
+ @i @Term.imm@ = 0;
@}
;