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Make an array of statements for the function.

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With this, sets can be used to represent statements.
This commit is contained in:
Bill Currie 2012-11-05 15:21:40 +09:00
parent 98245f6d00
commit acedc65de1
3 changed files with 23 additions and 11 deletions
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2
tools/qfcc/include/function.h
View file

@ -88,6 +88,8 @@ typedef struct function_s {
*/
struct daglabel_s **vars;
int num_vars; ///< total number of variables referenced
struct statement_s **statements;
int num_statements;
} function_t;
extern function_t *current_func;

3
tools/qfcc/include/statements.h
View file

@ -66,7 +66,8 @@ typedef struct statement_s {
operand_t *opa;
operand_t *opb;
operand_t *opc;
struct expr_s *expr; ///< source expression for this statement
struct expr_s *expr; ///< source expression for this statement
int number; ///< number of this statement in function
} statement_t;
typedef struct sblock_s {

29
tools/qfcc/source/flow.c
View file

@ -192,25 +192,34 @@ flow_build_vars (function_t *func)
sblock_t *sblock;
statement_t *s;
int num_vars;
int num_statements = 0;
for (num_vars = 0, sblock = func->sblock; sblock; sblock = sblock->next) {
for (s = sblock->statements; s; s = s->next) {
num_vars += count_operand (s->opa);
num_vars += count_operand (s->opb);
num_vars += count_operand (s->opc);
s->number = num_statements++;
}
}
if (!num_vars)
return;
if (num_vars) {
func->vars = malloc (num_vars * sizeof (daglabel_t *));
func->vars = malloc (num_vars * sizeof (daglabel_t *));
func->num_vars = 0; // incremented by add_operand
for (sblock = func->sblock; sblock; sblock = sblock->next) {
for (s = sblock->statements; s; s = s->next) {
add_operand (func, s->opa);
add_operand (func, s->opb);
add_operand (func, s->opc);
func->num_vars = 0; // incremented by add_operand
for (sblock = func->sblock; sblock; sblock = sblock->next) {
for (s = sblock->statements; s; s = s->next) {
add_operand (func, s->opa);
add_operand (func, s->opb);
add_operand (func, s->opc);
}
}
}
if (num_statements) {
func->statements = malloc (num_statements * sizeof (statement_t *));
func->num_statements = num_statements;
for (sblock = func->sblock; sblock; sblock = sblock->next) {
for (s = sblock->statements; s; s = s->next)
func->statements[s->number] = s;
}
}
}