From a67cd40065f790383776ec3fffa364f6443f7ee7 Mon Sep 17 00:00:00 2001
From: Adam NAILI
Date: Tue, 5 Jun 2018 19:53:58 +0200
Subject: Parameters handling (without checking types on parameters)

---
 src/generator.c |  6 +++---
 src/generator.h |  4 ++--
 src/tpc.y       | 20 +++++++++++---------
 3 files changed, 16 insertions(+), 14 deletions(-)

(limited to 'src')

diff --git a/src/generator.c b/src/generator.c
index 37581e0..b8a0b8f 100644
--- a/src/generator.c
+++ b/src/generator.c
@@ -90,13 +90,13 @@ void gen_const_declaration() {
   fun_display_table();
 }
 
-Type gen_function_declaration(const char name[], int return_type, int nb_param) {
-  fun_add(name, return_type, nb_param);
+Type gen_function_declaration(const char name[], int return_type) {
   fprintf(output, "\n%s:\npush rbp\nmov rbp,rsp\n", name);
   return return_type;
 }
 
-void gen_function_end_declaration() {
+void gen_function_end_declaration(const char name[], int return_type, int nb_param) {
+  fun_add(name, return_type, nb_param);
   fprintf(output, "mov rax,-1\nmov rsp, rbp\npop rbp\nret\n"); 
 }
 
diff --git a/src/generator.h b/src/generator.h
index 082e359..41a769a 100644
--- a/src/generator.h
+++ b/src/generator.h
@@ -21,8 +21,8 @@ FILE *output;
 void gen_prologue();
 void gen_prologue_continue(int *bss_done);
 void gen_const_declaration();
-Type gen_function_declaration(const char name[], int return_type, int nb_param);
-void gen_function_end_declaration();
+Type gen_function_declaration(const char name[], int return_type);
+void gen_function_end_declaration(const char name[], int return_type, int nb_param);
 void gen_function_return(Type expect, Type actual);
 Type gen_function_call(const char name[], int nb_param);
 void gen_declaration(const char name[], int type, Scope scope);
diff --git a/src/tpc.y b/src/tpc.y
index 979e696..fedd193 100644
--- a/src/tpc.y
+++ b/src/tpc.y
@@ -23,6 +23,8 @@ static Type return_type = VOID_T;
 static int bss_done = 0;
 static int num_label = 0;
 static int num_if = 0;
+static int nb_param = 0;
+static char fname[64];
 %}
 
 %union {
@@ -88,14 +90,14 @@ DeclFoncts:
 ;
 DeclFonct:
   EnTeteFonct { scope = LOCAL; }
-  Corps       { gen_function_end_declaration(); scope = GLOBAL; return_type = VOID_T; }
+  Corps       { gen_function_end_declaration(fname,return_type,nb_param); scope = GLOBAL; return_type = VOID_T; }
 ;
 EnTeteFonct:
-  TYPE IDENT PrologueCont '(' Parametres ')' { return_type = gen_function_declaration($<ident>2, $<type>1, $5); }
-| VOID IDENT PrologueCont '(' Parametres ')' { return_type = gen_function_declaration($<ident>2, VOID_T, $5); }
+  TYPE IDENT PrologueCont {strcpy(fname,$<ident>2); return_type = gen_function_declaration($<ident>2, $<type>1);} '(' Parametres ')' { nb_param = $<num>6 ;  scope = GLOBAL;}
+| VOID IDENT PrologueCont {strcpy(fname,$<ident>2); return_type = gen_function_declaration($<ident>2, VOID_T);} '(' Parametres ')' { nb_param = $<num>6 ; scope = GLOBAL; }
 ;
 
-PrologueCont: {gen_prologue_continue(&bss_done);};
+PrologueCont: {scope = LOCAL;gen_prologue_continue(&bss_done);};
 
 Parametres:
   VOID {$$ = 0;}
@@ -106,7 +108,7 @@ ListTypVar:
 | TYPE IDENT                { gen_declaration($<ident>2, $<type>1, scope); $<num>$ = 1; }
 ;
 Corps:
-  '{' DeclConsts DeclVars SuiteInstr '}'
+  '{' {int i; for(i=1;i<=nb_param;i++){fprintf(output, "mov r8, [rbp + %d]\nmov [rbp - %d], r8\n", (nb_param-i+2)*8, i*8);}  } DeclConsts DeclVars SuiteInstr '}'
 ;
 SuiteInstr:
   SuiteInstr Instr
@@ -115,8 +117,8 @@ SuiteInstr:
 Instr:
   Exp ';'
 | ';'
-| RETURN Exp ';'                 { gen_function_return(return_type, $<type>2); scope = GLOBAL; return_type = VOID_T; }
-| RETURN ';'                     { gen_function_return(return_type, VOID_T); scope = GLOBAL; return_type = VOID_T; }
+| RETURN Exp ';'                 { gen_function_return(return_type, $<type>2); }
+| RETURN ';'                     { gen_function_return(return_type, VOID_T);}
 | READE '(' IDENT ')' ';'        { gen_reade($<ident>3); }
 | READC '(' IDENT ')' ';'        { gen_readc($<ident>3); }
 | PRINT '(' Exp ')' ';'          { gen_print($<type>3);}
@@ -166,8 +168,8 @@ F:
 | IDENT '(' Arguments  ')'      { $$ = gen_function_call($<ident>1,$<num>3); } 
 ;
 LValue:
-  IDENT                        { $$ = $1; gen_check($<ident>1, scope); }
-| IDENT '[' Exp ']'            { $$ = $1; gen_check($<ident>1, scope); }
+  IDENT                        { gen_check($<ident>1, scope); }
+| IDENT '[' Exp ']'            { gen_check($<ident>1, scope); }
 ;
 Arguments:
   ListExp
-- 
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