diff options
author | Cyrille Bagard <nocbos@gmail.com> | 2012-11-28 09:43:50 (GMT) |
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committer | Cyrille Bagard <nocbos@gmail.com> | 2012-11-28 09:43:50 (GMT) |
commit | f95598b68b98f6eda701f8f02bc09cb13f65fc72 (patch) | |
tree | eefee33963448a1ce53a7eb80dacabbcdce8fc21 /src/decomp/instr | |
parent | fbb4b6f53d2189ba9f61c1fd149534d8aef82dcd (diff) |
Followed the excution flow to decompile instructions.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@293 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src/decomp/instr')
-rw-r--r-- | src/decomp/instr/ite.c | 51 | ||||
-rw-r--r-- | src/decomp/instr/ite.h | 3 |
2 files changed, 42 insertions, 12 deletions
diff --git a/src/decomp/instr/ite.c b/src/decomp/instr/ite.c index f08df1e..7c68031 100644 --- a/src/decomp/instr/ite.c +++ b/src/decomp/instr/ite.c @@ -35,6 +35,9 @@ struct _GITEInstruction GDecExpression *cond; /* Condition prise en compte */ + GDecInstruction *true_branch; /* Condition vérifiée */ + GDecInstruction *false_branch; /* Condition non vérifiée */ + union { vmpa_t addr; /* Adresse de saut */ @@ -68,7 +71,7 @@ static void g_ite_instruction_class_init(GITEInstructionClass *); static void g_ite_instruction_init(GITEInstruction *); /* Imprime pour l'écran un version humaine d'une instruction. */ -static void g_ite_instruction_print(const GITEInstruction *, GCodeBuffer *, GBufferLine *, GLangOutput *); +static GBufferLine *g_ite_instruction_print(const GITEInstruction *, GCodeBuffer *, GBufferLine *, GLangOutput *); @@ -148,6 +151,28 @@ GDecInstruction *g_ite_instruction_new(GDecExpression *cond, vmpa_t if_true, vmp /****************************************************************************** * * +* Paramètres : cond = expression fixant le choix de l'aiguillage. * +* true_branch = instructions si la condition est vérifiée. * +* false_branch = instructions si la cond. n'est pas vérifiée. * +* * +* Description : Détermine le corps des différentes branches possibles. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +void g_ite_instruction_set_branches(GITEInstruction *expr, GDecInstruction *true_branch, GDecInstruction *false_branch) +{ + expr->true_branch = true_branch; + expr->false_branch = false_branch; + +} + + +/****************************************************************************** +* * * Paramètres : expr = instruction à transcrire en version humaine. * * buffer = tampon où doit se réaliser l'insertion. * * line = ligne d'impression prête à emploi ou NULL. * @@ -161,22 +186,24 @@ GDecInstruction *g_ite_instruction_new(GDecExpression *cond, vmpa_t if_true, vmp * * ******************************************************************************/ -static void g_ite_instruction_print(const GITEInstruction *expr, GCodeBuffer *buffer, GBufferLine *line, GLangOutput *output) +static GBufferLine *g_ite_instruction_print(const GITEInstruction *expr, GCodeBuffer *buffer, GBufferLine *line, GLangOutput *output) { - g_buffer_line_insert_text(line, BLC_ASSEMBLY_HEAD, "if ", 3, RTT_KEY_WORD); + GBufferLine *result; /* Ligne à retourner */ - g_dec_instruction_print(G_DEC_INSTRUCTION(expr->cond), - buffer, line, output); + g_buffer_line_insert_text(line, BLC_ASSEMBLY_HEAD, "if ", 3, RTT_KEY_WORD); - /* - g_dec_instruction_print(G_DEC_INSTRUCTION(expr->dest), - buffer, line, output); + result = g_dec_instruction_print(G_DEC_INSTRUCTION(expr->cond), + buffer, line, output); - g_buffer_line_insert_text(line, BLC_ASSEMBLY_HEAD, " = ", 3, RTT_SIGNS); + if (expr->true_branch != NULL) + result = g_dec_instruction_print(expr->true_branch, buffer, result, output); - g_dec_instruction_print(G_DEC_INSTRUCTION(expr->src), - buffer, line, output); - */ + if (expr->false_branch != NULL) + { + g_buffer_line_insert_text(result, BLC_ASSEMBLY_HEAD, "else", 4, RTT_KEY_WORD); + result = g_dec_instruction_print(expr->false_branch, buffer, result, output); + } + return result; } diff --git a/src/decomp/instr/ite.h b/src/decomp/instr/ite.h index cff073a..e53abe8 100644 --- a/src/decomp/instr/ite.h +++ b/src/decomp/instr/ite.h @@ -52,6 +52,9 @@ typedef struct _GITEInstructionClass GITEInstructionClass; /* Indique le type défini pour un aiguillage du flux d'exécution. */ GType g_ite_instruction_get_type(void); +/* Détermine le corps des différentes branches possibles. */ +void g_ite_instruction_set_branches(GITEInstruction *, GDecInstruction *, GDecInstruction *); + /* Exprime un aiguillage du flux en fonction d'une condition. */ GDecInstruction *g_ite_instruction_new(GDecExpression *, vmpa_t, vmpa_t); |