X-Git-Url: http://nitlanguage.org

diff --git a/c_src/csv.sep.1.c b/c_src/csv.sep.1.c
index 37ec3a8..850e6b3 100644
--- a/c_src/csv.sep.1.c
+++ b/c_src/csv.sep.1.c
@@ -1,360 +1,1075 @@
 #include "csv.sep.0.h"
-/* method csv#CSVDocument#header for (self: CSVDocument): Array[String] */
-val* csv__CSVDocument__header(val* self) {
-val* var /* : Array[String] */;
-val* var1 /* : Array[String] */;
-var1 = self->attrs[COLOR_csv__CSVDocument___64dheader].val; /* @header on <self:CSVDocument> */
-if (var1 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Uninitialized attribute @header");
-fprintf(stderr, " (%s:%d)\n", "lib/csv.nit", 20);
-show_backtrace(1);
+/* method csv$Text$escape_to_csv for (self: Text, Char, Char, String): String */
+val* csv___core__Text___escape_to_csv(val* self, uint32_t p0, uint32_t p1, val* p2) {
+val* var /* : String */;
+uint32_t var_sep_char /* var sep_char: Char */;
+uint32_t var_delim_char /* var delim_char: Char */;
+val* var_eol /* var eol: String */;
+long var1 /* : Int */;
+long var_add_sp /* var add_sp: Int */;
+short int var2 /* : Bool */;
+short int var4 /* : Bool */;
+val* var5 /* : String */;
+static val* varoncenew;
+static int varoncenew_guard;
+val* var6 /* : Buffer */;
+val* var7 /* : Buffer */;
+long var8 /* : Int */;
+long var9 /* : Int */;
+short int var11 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var12 /* : Int */;
+val* var13 /* : Buffer */;
+val* var_bf /* var bf: Buffer */;
+long var_i /* var i: Int */;
+long var14 /* : Int */;
+long var_ /* var : Int */;
+short int var15 /* : Bool */;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
+const char* var_class_name20;
+short int var21 /* : Bool */;
+uint32_t var22 /* : Char */;
+uint32_t var_c /* var c: Char */;
+short int var23 /* : Bool */;
+short int var25 /* : Bool */;
+long var26 /* : Int */;
+val* var27 /* : String */;
+var_sep_char = p0;
+var_delim_char = p1;
+var_eol = p2;
+{
+var1 = csv___core__Text___chars_to_escape_csv(self, var_sep_char, var_delim_char, var_eol);
+}
+var_add_sp = var1;
+{
+{ /* Inline kernel$Int$== (var_add_sp,0l) on <var_add_sp:Int> */
+var4 = var_add_sp == 0l;
+var2 = var4;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
+}
+}
+if (var2){
+{
+var5 = ((val*(*)(val* self))(self->class->vft[COLOR_core__abstract_text__Object__to_s]))(self); /* to_s on <self:Text>*/
+}
+var = var5;
+goto RET_LABEL;
+} else {
+}
+if (likely(varoncenew_guard)) {
+var6 = varoncenew;
+} else {
+var7 = NEW_core__Buffer(&type_core__Buffer);
+var6 = var7;
+varoncenew = var6;
+varoncenew_guard = 1;
+}
+{
+var8 = ((long(*)(val* self))(self->class->vft[COLOR_core__abstract_text__Text__byte_length]))(self); /* byte_length on <self:Text>*/
+}
+{
+{ /* Inline kernel$Int$+ (var_add_sp,var8) on <var_add_sp:Int> */
+/* Covariant cast for argument 0 (i) <var8:Int> isa OTHER */
+/* <var8:Int> isa OTHER */
+var11 = 1; /* easy <var8:Int> isa OTHER*/
+if (unlikely(!var11)) {
+var_class_name = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+fatal_exit(1);
+}
+var12 = var_add_sp + var8;
+var9 = var12;
+goto RET_LABEL10;
+RET_LABEL10:(void)0;
+}
+}
+{
+var13 = core__flat___Buffer___with_cap(var6, var9);
+}
+var_bf = var13;
+{
+((void(*)(val* self, uint32_t p0))(var_bf->class->vft[COLOR_core__abstract_text__Buffer__add]))(var_bf, '\"'); /* add on <var_bf:Buffer>*/
+}
+var_i = 0l;
+{
+var14 = ((long(*)(val* self))(self->class->vft[COLOR_core__abstract_text__Text__length]))(self); /* length on <self:Text>*/
+}
+var_ = var14;
+for(;;) {
+{
+{ /* Inline kernel$Int$< (var_i,var_) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var17 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var17)) {
+var_class_name20 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name20);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
+fatal_exit(1);
+}
+var21 = var_i < var_;
+var15 = var21;
+goto RET_LABEL16;
+RET_LABEL16:(void)0;
+}
+}
+if (var15){
+} else {
+goto BREAK_label;
+}
+{
+var22 = ((uint32_t(*)(val* self, long p0))(self->class->vft[COLOR_core__abstract_text__Text___91d_93d]))(self, var_i); /* [] on <self:Text>*/
+}
+var_c = var22;
+{
+{ /* Inline kernel$Char$== (var_c,var_delim_char) on <var_c:Char> */
+var25 = var_c == var_delim_char;
+var23 = var25;
+goto RET_LABEL24;
+RET_LABEL24:(void)0;
+}
+}
+if (var23){
+{
+((void(*)(val* self, uint32_t p0))(var_bf->class->vft[COLOR_core__abstract_text__Buffer__add]))(var_bf, var_c); /* add on <var_bf:Buffer>*/
+}
+} else {
+}
+{
+((void(*)(val* self, uint32_t p0))(var_bf->class->vft[COLOR_core__abstract_text__Buffer__add]))(var_bf, var_c); /* add on <var_bf:Buffer>*/
+}
+{
+var26 = core___core__Int___Discrete__successor(var_i, 1l);
+}
+var_i = var26;
+}
+BREAK_label: (void)0;
+{
+((void(*)(val* self, uint32_t p0))(var_bf->class->vft[COLOR_core__abstract_text__Buffer__add]))(var_bf, '\"'); /* add on <var_bf:Buffer>*/
+}
+{
+var27 = ((val*(*)(val* self))(var_bf->class->vft[COLOR_core__abstract_text__Object__to_s]))(var_bf); /* to_s on <var_bf:Buffer>*/
+}
+var = var27;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method csv$Text$chars_to_escape_csv for (self: Text, Char, Char, String): Int */
+long csv___core__Text___chars_to_escape_csv(val* self, uint32_t p0, uint32_t p1, val* p2) {
+long var /* : Int */;
+uint32_t var_sep_char /* var sep_char: Char */;
+uint32_t var_delim_char /* var delim_char: Char */;
+val* var_eol /* var eol: String */;
+long var_more_ln /* var more_ln: Int */;
+long var1 /* : Int */;
+long var_ln /* var ln: Int */;
+short int var_need_esc /* var need_esc: Bool */;
+uint32_t var2 /* : Char */;
+uint32_t var_fst_eol /* var fst_eol: Char */;
+long var_i /* var i: Int */;
+short int var3 /* : Bool */;
+short int var5 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+short int var6 /* : Bool */;
+uint32_t var7 /* : Char */;
+uint32_t var_c /* var c: Char */;
+short int var8 /* : Bool */;
+short int var10 /* : Bool */;
+long var11 /* : Int */;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
+const char* var_class_name16;
+long var17 /* : Int */;
+short int var18 /* : Bool */;
+short int var20 /* : Bool */;
+long var_j /* var j: Int */;
+long var21 /* : Int */;
+long var_ /* var : Int */;
+short int var22 /* : Bool */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+const char* var_class_name27;
+short int var28 /* : Bool */;
+long var29 /* : Int */;
+short int var31 /* : Bool */;
+int cltype32;
+int idtype33;
+const char* var_class_name34;
+long var35 /* : Int */;
+uint32_t var36 /* : Char */;
+uint32_t var37 /* : Char */;
+short int var38 /* : Bool */;
+short int var40 /* : Bool */;
+short int var41 /* : Bool */;
+long var42 /* : Int */;
+short int var44 /* : Bool */;
+int cltype45;
+int idtype46;
+const char* var_class_name47;
+long var48 /* : Int */;
+long var49 /* : Int */;
+short int var50 /* : Bool */;
+short int var52 /* : Bool */;
+long var53 /* : Int */;
+short int var55 /* : Bool */;
+int cltype56;
+int idtype57;
+const char* var_class_name58;
+long var59 /* : Int */;
+long var61 /* : Int */;
+long var62 /* : Int */;
+short int var64 /* : Bool */;
+int cltype65;
+int idtype66;
+const char* var_class_name67;
+long var68 /* : Int */;
+long var_more /* var more: Int */;
+long var69 /* : Int */;
+short int var71 /* : Bool */;
+int cltype72;
+int idtype73;
+const char* var_class_name74;
+long var75 /* : Int */;
+var_sep_char = p0;
+var_delim_char = p1;
+var_eol = p2;
+var_more_ln = 0l;
+{
+var1 = ((long(*)(val* self))(self->class->vft[COLOR_core__abstract_text__Text__length]))(self); /* length on <self:Text>*/
+}
+var_ln = var1;
+var_need_esc = 0;
+{
+var2 = core___core__Text___first(var_eol);
+}
+var_fst_eol = var2;
+var_i = 0l;
+for(;;) {
+{
+{ /* Inline kernel$Int$< (var_i,var_ln) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_ln:Int> isa OTHER */
+/* <var_ln:Int> isa OTHER */
+var5 = 1; /* easy <var_ln:Int> isa OTHER*/
+if (unlikely(!var5)) {
+var_class_name = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
+fatal_exit(1);
+}
+var6 = var_i < var_ln;
+var3 = var6;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
+}
+}
+if (var3){
+{
+var7 = ((uint32_t(*)(val* self, long p0))(self->class->vft[COLOR_core__abstract_text__Text___91d_93d]))(self, var_i); /* [] on <self:Text>*/
+}
+var_c = var7;
+{
+{ /* Inline kernel$Char$== (var_c,var_delim_char) on <var_c:Char> */
+var10 = var_c == var_delim_char;
+var8 = var10;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
+}
+}
+if (var8){
+{
+{ /* Inline kernel$Int$+ (var_more_ln,1l) on <var_more_ln:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var13 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var13)) {
+var_class_name16 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name16);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+fatal_exit(1);
+}
+var17 = var_more_ln + 1l;
+var11 = var17;
+goto RET_LABEL12;
+RET_LABEL12:(void)0;
+}
+}
+var_more_ln = var11;
+} else {
+}
+{
+{ /* Inline kernel$Char$== (var_c,var_fst_eol) on <var_c:Char> */
+var20 = var_c == var_fst_eol;
+var18 = var20;
+goto RET_LABEL19;
+RET_LABEL19:(void)0;
+}
+}
+if (var18){
+var_need_esc = 1;
+var_j = 1l;
+{
+var21 = ((long(*)(val* self))(var_eol->class->vft[COLOR_core__abstract_text__Text__length]))(var_eol); /* length on <var_eol:String>*/
+}
+var_ = var21;
+for(;;) {
+{
+{ /* Inline kernel$Int$< (var_j,var_) on <var_j:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var24 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var24)) {
+var_class_name27 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name27);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
+fatal_exit(1);
 }
+var28 = var_j < var_;
+var22 = var28;
+goto RET_LABEL23;
+RET_LABEL23:(void)0;
+}
+}
+if (var22){
+} else {
+goto BREAK_label;
+}
+{
+{ /* Inline kernel$Int$+ (var_i,1l) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var31 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var31)) {
+var_class_name34 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name34);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+fatal_exit(1);
+}
+var35 = var_i + 1l;
+var29 = var35;
+goto RET_LABEL30;
+RET_LABEL30:(void)0;
+}
+}
+var_i = var29;
+{
+var36 = ((uint32_t(*)(val* self, long p0))(self->class->vft[COLOR_core__abstract_text__Text___91d_93d]))(self, var_i); /* [] on <self:Text>*/
+}
+var_c = var36;
+{
+var37 = ((uint32_t(*)(val* self, long p0))(var_eol->class->vft[COLOR_core__abstract_text__Text___91d_93d]))(var_eol, var_j); /* [] on <var_eol:String>*/
+}
+{
+{ /* Inline kernel$Char$!= (var_c,var37) on <var_c:Char> */
+var40 = var_c == var37;
+var41 = !var40;
+var38 = var41;
+goto RET_LABEL39;
+RET_LABEL39:(void)0;
+}
+}
+if (var38){
+{
+{ /* Inline kernel$Int$- (var_i,var_j) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_j:Int> isa OTHER */
+/* <var_j:Int> isa OTHER */
+var44 = 1; /* easy <var_j:Int> isa OTHER*/
+if (unlikely(!var44)) {
+var_class_name47 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name47);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
+fatal_exit(1);
+}
+var48 = var_i - var_j;
+var42 = var48;
+goto RET_LABEL43;
+RET_LABEL43:(void)0;
+}
+}
+var_i = var42;
+var_need_esc = 0;
+goto BREAK_label;
+} else {
+}
+{
+var49 = core___core__Int___Discrete__successor(var_j, 1l);
+}
+var_j = var49;
+}
+BREAK_label: (void)0;
+} else {
+}
+{
+{ /* Inline kernel$Char$== (var_c,var_sep_char) on <var_c:Char> */
+var52 = var_c == var_sep_char;
+var50 = var52;
+goto RET_LABEL51;
+RET_LABEL51:(void)0;
+}
+}
+if (var50){
+var_need_esc = 1;
+} else {
+}
+{
+{ /* Inline kernel$Int$+ (var_i,1l) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var55 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var55)) {
+var_class_name58 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name58);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+fatal_exit(1);
+}
+var59 = var_i + 1l;
+var53 = var59;
+goto RET_LABEL54;
+RET_LABEL54:(void)0;
+}
+}
+var_i = var53;
+} else {
+goto BREAK_label60;
+}
+}
+BREAK_label60: (void)0;
+{
+var61 = core__abstract_text___Char___u8char_len(var_delim_char);
+}
+{
+{ /* Inline kernel$Int$* (var_more_ln,var61) on <var_more_ln:Int> */
+/* Covariant cast for argument 0 (i) <var61:Int> isa OTHER */
+/* <var61:Int> isa OTHER */
+var64 = 1; /* easy <var61:Int> isa OTHER*/
+if (unlikely(!var64)) {
+var_class_name67 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name67);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 732);
+fatal_exit(1);
+}
+var68 = var_more_ln * var61;
+var62 = var68;
+goto RET_LABEL63;
+RET_LABEL63:(void)0;
+}
+}
+var_more = var62;
+if (var_need_esc){
+{
+{ /* Inline kernel$Int$+ (var_more,2l) on <var_more:Int> */
+/* Covariant cast for argument 0 (i) <2l:Int> isa OTHER */
+/* <2l:Int> isa OTHER */
+var71 = 1; /* easy <2l:Int> isa OTHER*/
+if (unlikely(!var71)) {
+var_class_name74 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name74);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+fatal_exit(1);
+}
+var75 = var_more + 2l;
+var69 = var75;
+goto RET_LABEL70;
+RET_LABEL70:(void)0;
+}
+}
+var_more = var69;
+} else {
+}
+var = var_more;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method csv$CsvStream$delimiter for (self: CsvStream): Char */
+uint32_t csv___csv__CsvStream___delimiter(val* self) {
+uint32_t var /* : Char */;
+uint32_t var1 /* : Char */;
+var1 = self->attrs[COLOR_csv__CsvStream___delimiter].c; /* _delimiter on <self:CsvStream> */
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method csv#CSVDocument#header for (self: Object): Array[String] */
-val* VIRTUAL_csv__CSVDocument__header(val* self) {
-val* var /* : Array[String] */;
-val* var1 /* : Array[String] */;
-var1 = csv__CSVDocument__header(self);
+/* method csv$CsvStream$delimiter= for (self: CsvStream, Char) */
+void csv___csv__CsvStream___delimiter_61d(val* self, uint32_t p0) {
+self->attrs[COLOR_csv__CsvStream___delimiter].c = p0; /* _delimiter on <self:CsvStream> */
+RET_LABEL:;
+}
+/* method csv$CsvStream$separator for (self: CsvStream): Char */
+uint32_t csv___csv__CsvStream___separator(val* self) {
+uint32_t var /* : Char */;
+uint32_t var1 /* : Char */;
+var1 = self->attrs[COLOR_csv__CsvStream___separator].c; /* _separator on <self:CsvStream> */
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method csv#CSVDocument#header= for (self: CSVDocument, Array[String]) */
-void csv__CSVDocument__header_61d(val* self, val* p0) {
-self->attrs[COLOR_csv__CSVDocument___64dheader].val = p0; /* @header on <self:CSVDocument> */
+/* method csv$CsvStream$separator= for (self: CsvStream, Char) */
+void csv___csv__CsvStream___separator_61d(val* self, uint32_t p0) {
+self->attrs[COLOR_csv__CsvStream___separator].c = p0; /* _separator on <self:CsvStream> */
 RET_LABEL:;
 }
-/* method csv#CSVDocument#header= for (self: Object, Array[String]) */
-void VIRTUAL_csv__CSVDocument__header_61d(val* self, val* p0) {
-csv__CSVDocument__header_61d(self, p0);
+/* method csv$CsvStream$eol for (self: CsvStream): String */
+val* csv___csv__CsvStream___eol(val* self) {
+val* var /* : String */;
+val* var1 /* : String */;
+var1 = self->attrs[COLOR_csv__CsvStream___eol].val; /* _eol on <self:CsvStream> */
+if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _eol");
+PRINT_ERROR(" (%s:%d)\n", FILE_csv, 112);
+fatal_exit(1);
+}
+var = var1;
 RET_LABEL:;
+return var;
 }
-/* method csv#CSVDocument#lines for (self: CSVDocument): Array[Array[String]] */
-val* csv__CSVDocument__lines(val* self) {
-val* var /* : Array[Array[String]] */;
-val* var1 /* : Array[Array[String]] */;
-var1 = self->attrs[COLOR_csv__CSVDocument___64dlines].val; /* @lines on <self:CSVDocument> */
-if (var1 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Uninitialized attribute @lines");
-fprintf(stderr, " (%s:%d)\n", "lib/csv.nit", 21);
-show_backtrace(1);
+/* method csv$CsvStream$eol= for (self: CsvStream, String) */
+void csv___csv__CsvStream___eol_61d(val* self, val* p0) {
+self->attrs[COLOR_csv__CsvStream___eol].val = p0; /* _eol on <self:CsvStream> */
+RET_LABEL:;
+}
+/* method csv$CsvDocument$header for (self: CsvDocument): Array[String] */
+val* csv___csv__CsvDocument___header(val* self) {
+val* var /* : Array[String] */;
+val* var1 /* : Array[String] */;
+var1 = self->attrs[COLOR_csv__CsvDocument___header].val; /* _header on <self:CsvDocument> */
+if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _header");
+PRINT_ERROR(" (%s:%d)\n", FILE_csv, 121);
+fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method csv#CSVDocument#lines for (self: Object): Array[Array[String]] */
-val* VIRTUAL_csv__CSVDocument__lines(val* self) {
+/* method csv$CsvDocument$header= for (self: CsvDocument, nullable Array[String]) */
+void csv___csv__CsvDocument___header_61d(val* self, val* p0) {
+val* var /* : Array[String] */;
+val* var1 /* : Array[String] */;
+if (p0 == NULL) {
+var1 = NEW_core__Array(&type_core__Array__core__String);
+{
+core___core__Array___core__kernel__Object__init(var1); /* Direct call array$Array$init on <var1:Array[String]>*/
+}
+self->attrs[COLOR_csv__CsvDocument___header].val = var1; /* _header on <self:CsvDocument> */
+var = var1;
+} else {
+var = p0;
+}
+self->attrs[COLOR_csv__CsvDocument___header].val = var; /* _header on <self:CsvDocument> */
+RET_LABEL:;
+}
+/* method csv$CsvDocument$records for (self: CsvDocument): Array[Array[String]] */
+val* csv___csv__CsvDocument___records(val* self) {
 val* var /* : Array[Array[String]] */;
 val* var1 /* : Array[Array[String]] */;
-var1 = csv__CSVDocument__lines(self);
+var1 = self->attrs[COLOR_csv__CsvDocument___records].val; /* _records on <self:CsvDocument> */
+if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _records");
+PRINT_ERROR(" (%s:%d)\n", FILE_csv, 126);
+fatal_exit(1);
+}
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method csv#CSVDocument#lines= for (self: CSVDocument, Array[Array[String]]) */
-void csv__CSVDocument__lines_61d(val* self, val* p0) {
-self->attrs[COLOR_csv__CSVDocument___64dlines].val = p0; /* @lines on <self:CSVDocument> */
-RET_LABEL:;
+/* method csv$CsvDocument$records= for (self: CsvDocument, nullable Array[Array[String]]) */
+void csv___csv__CsvDocument___records_61d(val* self, val* p0) {
+val* var /* : Array[Array[String]] */;
+val* var1 /* : Array[Array[String]] */;
+if (p0 == NULL) {
+var1 = NEW_core__Array(&type_core__Array__core__Array__core__String);
+{
+core___core__Array___core__kernel__Object__init(var1); /* Direct call array$Array$init on <var1:Array[Array[String]]>*/
 }
-/* method csv#CSVDocument#lines= for (self: Object, Array[Array[String]]) */
-void VIRTUAL_csv__CSVDocument__lines_61d(val* self, val* p0) {
-csv__CSVDocument__lines_61d(self, p0);
+self->attrs[COLOR_csv__CsvDocument___records].val = var1; /* _records on <self:CsvDocument> */
+var = var1;
+} else {
+var = p0;
+}
+self->attrs[COLOR_csv__CsvDocument___records].val = var; /* _records on <self:CsvDocument> */
 RET_LABEL:;
 }
-/* method csv#CSVDocument#set_header for (self: CSVDocument, Array[Object]) */
-void csv__CSVDocument__set_header(val* self, val* p0) {
-val* var_values /* var values: Array[Object] */;
+/* method csv$CsvDocument$add_record for (self: CsvDocument, Array[Object]) */
+void csv___csv__CsvDocument___add_record(val* self, val* p0) {
+val* var_objs /* var objs: Array[Object] */;
 val* var /* : Array[String] */;
-val* var1 /* : Iterator[nullable Object] */;
-short int var2 /* : Bool */;
-val* var3 /* : nullable Object */;
-val* var_value /* var value: Object */;
-val* var4 /* : Array[String] */;
-val* var5 /* : String */;
-var_values = p0;
-var = ((val* (*)(val*))(self->class->vft[COLOR_csv__CSVDocument__header]))(self) /* header on <self:CSVDocument>*/;
-((void (*)(val*))(var->class->vft[COLOR_abstract_collection__RemovableCollection__clear]))(var) /* clear on <var:Array[String]>*/;
-var1 = ((val* (*)(val*))(var_values->class->vft[COLOR_abstract_collection__Collection__iterator]))(var_values) /* iterator on <var_values:Array[Object]>*/;
+long var1 /* : Int */;
+long var3 /* : Int */;
+val* var_ln /* var ln: Array[String] */;
+val* var_ /* var : Array[Object] */;
+val* var4 /* : IndexedIterator[nullable Object] */;
+val* var_5 /* var : IndexedIterator[Object] */;
+short int var6 /* : Bool */;
+val* var7 /* : nullable Object */;
+val* var_i /* var i: Object */;
+val* var8 /* : String */;
+val* var9 /* : Array[Array[String]] */;
+val* var11 /* : Array[Array[String]] */;
+var_objs = p0;
+var = NEW_core__Array(&type_core__Array__core__String);
+{
+{ /* Inline array$AbstractArrayRead$length (var_objs) on <var_objs:Array[Object]> */
+var3 = var_objs->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_objs:Array[Object]> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+core___core__Array___with_capacity(var, var1); /* Direct call array$Array$with_capacity on <var:Array[String]>*/
+}
+var_ln = var;
+var_ = var_objs;
+{
+var4 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
+}
+var_5 = var4;
 for(;;) {
-var2 = ((short int (*)(val*))(var1->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var1) /* is_ok on <var1:Iterator[nullable Object]>*/;
-if(!var2) break;
-var3 = ((val* (*)(val*))(var1->class->vft[COLOR_abstract_collection__Iterator__item]))(var1) /* item on <var1:Iterator[nullable Object]>*/;
-var_value = var3;
-var4 = ((val* (*)(val*))(self->class->vft[COLOR_csv__CSVDocument__header]))(self) /* header on <self:CSVDocument>*/;
-var5 = ((val* (*)(val*))(var_value->class->vft[COLOR_string__Object__to_s]))(var_value) /* to_s on <var_value:Object>*/;
-((void (*)(val*, val*))(var4->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var4, var5) /* add on <var4:Array[String]>*/;
-CONTINUE_label: (void)0;
-((void (*)(val*))(var1->class->vft[COLOR_abstract_collection__Iterator__next]))(var1) /* next on <var1:Iterator[nullable Object]>*/;
+{
+var6 = ((short int(*)(val* self))((((long)var_5&3)?class_info[((long)var_5&3)]:var_5->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_5); /* is_ok on <var_5:IndexedIterator[Object]>*/
+}
+if (var6){
+} else {
+goto BREAK_label;
+}
+{
+var7 = ((val*(*)(val* self))((((long)var_5&3)?class_info[((long)var_5&3)]:var_5->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_5); /* item on <var_5:IndexedIterator[Object]>*/
+}
+var_i = var7;
+{
+var8 = ((val*(*)(val* self))((((long)var_i&3)?class_info[((long)var_i&3)]:var_i->class)->vft[COLOR_core__abstract_text__Object__to_s]))(var_i); /* to_s on <var_i:Object>*/
+}
+{
+core___core__Array___core__abstract_collection__SimpleCollection__add(var_ln, var8); /* Direct call array$Array$add on <var_ln:Array[String]>*/
+}
+{
+((void(*)(val* self))((((long)var_5&3)?class_info[((long)var_5&3)]:var_5->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_5); /* next on <var_5:IndexedIterator[Object]>*/
+}
 }
 BREAK_label: (void)0;
-RET_LABEL:;
+{
+((void(*)(val* self))((((long)var_5&3)?class_info[((long)var_5&3)]:var_5->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_5); /* finish on <var_5:IndexedIterator[Object]>*/
+}
+{
+{ /* Inline csv$CsvDocument$records (self) on <self:CsvDocument> */
+var11 = self->attrs[COLOR_csv__CsvDocument___records].val; /* _records on <self:CsvDocument> */
+if (unlikely(var11 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _records");
+PRINT_ERROR(" (%s:%d)\n", FILE_csv, 126);
+fatal_exit(1);
+}
+var9 = var11;
+RET_LABEL10:(void)0;
+}
+}
+{
+core___core__Array___core__abstract_collection__SimpleCollection__add(var9, var_ln); /* Direct call array$Array$add on <var9:Array[Array[String]]>*/
 }
-/* method csv#CSVDocument#set_header for (self: Object, Array[Object]) */
-void VIRTUAL_csv__CSVDocument__set_header(val* self, val* p0) {
-csv__CSVDocument__set_header(self, p0);
 RET_LABEL:;
 }
-/* method csv#CSVDocument#add_line for (self: CSVDocument, Array[Object]) */
-void csv__CSVDocument__add_line(val* self, val* p0) {
-val* var_values /* var values: Array[Object] */;
-long var /* : Int */;
-val* var1 /* : Array[String] */;
-long var2 /* : Int */;
-short int var3 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-static val* varonce;
+/* method csv$CsvDocument$write_to for (self: CsvDocument, Writer) */
+void csv___csv__CsvDocument___core__stream__Writable__write_to(val* self, val* p0) {
+val* var_stream /* var stream: Writer */;
+val* var /* : CsvWriter */;
+val* var_s /* var s: CsvWriter */;
+uint32_t var1 /* : Char */;
+uint32_t var3 /* : Char */;
+val* var5 /* : String */;
 val* var7 /* : String */;
-char* var8 /* : NativeString */;
-long var9 /* : Int */;
-val* var10 /* : String */;
-val* var11 /* : Array[String] */;
-long var12 /* : Int */;
-static val* varonce13;
-val* var14 /* : String */;
-char* var15 /* : NativeString */;
-long var16 /* : Int */;
-val* var17 /* : String */;
-long var18 /* : Int */;
-static val* varonce19;
-val* var20 /* : String */;
-char* var21 /* : NativeString */;
-long var22 /* : Int */;
-val* var23 /* : String */;
-val* var24 /* : Array[Object] */;
-long var25 /* : Int */;
-val* var26 /* : NativeArray[Object] */;
-val* var27 /* : Object */;
-val* var28 /* : Object */;
-val* var29 /* : String */;
-val* var30 /* : Array[String] */;
-val* var_line /* var line: Array[String] */;
-val* var31 /* : Iterator[nullable Object] */;
-short int var32 /* : Bool */;
-val* var33 /* : nullable Object */;
-val* var_value /* var value: Object */;
-val* var34 /* : String */;
-val* var35 /* : Array[Array[String]] */;
-var_values = p0;
-var = ((long (*)(val*))(var_values->class->vft[COLOR_abstract_collection__Collection__length]))(var_values) /* length on <var_values:Array[Object]>*/;
-var1 = ((val* (*)(val*))(self->class->vft[COLOR_csv__CSVDocument__header]))(self) /* header on <self:CSVDocument>*/;
-var2 = ((long (*)(val*))(var1->class->vft[COLOR_abstract_collection__Collection__length]))(var1) /* length on <var1:Array[String]>*/;
-{ /* Inline kernel#Int#!= (var,var2) */
-var5 = var == var2;
-var6 = !var5;
-var3 = var6;
-goto RET_LABEL4;
+uint32_t var9 /* : Char */;
+uint32_t var11 /* : Char */;
+val* var13 /* : Array[String] */;
+val* var15 /* : Array[String] */;
+short int var16 /* : Bool */;
+short int var17 /* : Bool */;
+val* var18 /* : Array[String] */;
+val* var20 /* : Array[String] */;
+val* var21 /* : Array[Array[String]] */;
+val* var23 /* : Array[Array[String]] */;
+var_stream = p0;
+var = NEW_csv__CsvWriter(&type_csv__CsvWriter);
+{
+((void(*)(val* self, val* p0))(var->class->vft[COLOR_csv__CsvWriter__ostream_61d]))(var, var_stream); /* ostream= on <var:CsvWriter>*/
+}
+{
+((void(*)(val* self))(var->class->vft[COLOR_core__kernel__Object__init]))(var); /* init on <var:CsvWriter>*/
+}
+var_s = var;
+{
+{ /* Inline csv$CsvStream$separator (self) on <self:CsvDocument> */
+var3 = self->attrs[COLOR_csv__CsvStream___separator].c; /* _separator on <self:CsvDocument> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+{ /* Inline csv$CsvStream$separator= (var_s,var1) on <var_s:CsvWriter> */
+var_s->attrs[COLOR_csv__CsvStream___separator].c = var1; /* _separator on <var_s:CsvWriter> */
 RET_LABEL4:(void)0;
 }
-if (var3){
-if (varonce) {
-var7 = varonce;
-} else {
-var8 = "CSV error: header declares ";
-var9 = 27;
-var10 = string__NativeString__to_s_with_length(var8, var9);
-var7 = var10;
-varonce = var7;
-}
-var11 = ((val* (*)(val*))(self->class->vft[COLOR_csv__CSVDocument__header]))(self) /* header on <self:CSVDocument>*/;
-var12 = ((long (*)(val*))(var11->class->vft[COLOR_abstract_collection__Collection__length]))(var11) /* length on <var11:Array[String]>*/;
-if (varonce13) {
-var14 = varonce13;
-} else {
-var15 = " columns, line contains ";
-var16 = 24;
-var17 = string__NativeString__to_s_with_length(var15, var16);
-var14 = var17;
-varonce13 = var14;
-}
-var18 = ((long (*)(val*))(var_values->class->vft[COLOR_abstract_collection__Collection__length]))(var_values) /* length on <var_values:Array[Object]>*/;
-if (varonce19) {
-var20 = varonce19;
-} else {
-var21 = " values";
-var22 = 7;
-var23 = string__NativeString__to_s_with_length(var21, var22);
-var20 = var23;
-varonce19 = var20;
-}
-var24 = NEW_array__Array(&type_array__Arraykernel__Object);
-{ /* var24 = array_instance Array[Object] */
-var25 = 5;
-var26 = NEW_array__NativeArray(var25, &type_array__NativeArraykernel__Object);
-((struct instance_array__NativeArray*)var26)->values[0] = (val*) var7;
-var27 = BOX_kernel__Int(var12); /* autobox from Int to Object */
-((struct instance_array__NativeArray*)var26)->values[1] = (val*) var27;
-((struct instance_array__NativeArray*)var26)->values[2] = (val*) var14;
-var28 = BOX_kernel__Int(var18); /* autobox from Int to Object */
-((struct instance_array__NativeArray*)var26)->values[3] = (val*) var28;
-((struct instance_array__NativeArray*)var26)->values[4] = (val*) var20;
-((void (*)(val*, val*, long))(var24->class->vft[COLOR_array__Array__with_native]))(var24, var26, var25) /* with_native on <var24:Array[Object]>*/;
-}
-var29 = ((val* (*)(val*))(var24->class->vft[COLOR_string__Object__to_s]))(var24) /* to_s on <var24:Array[Object]>*/;
-((void (*)(val*, val*))(self->class->vft[COLOR_file__Object__print]))(self, var29) /* print on <self:CSVDocument>*/;
-fprintf(stderr, "Runtime error: %s", "Aborted");
-fprintf(stderr, " (%s:%d)\n", "lib/csv.nit", 33);
-show_backtrace(1);
+}
+{
+{ /* Inline csv$CsvStream$eol (self) on <self:CsvDocument> */
+var7 = self->attrs[COLOR_csv__CsvStream___eol].val; /* _eol on <self:CsvDocument> */
+if (unlikely(var7 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _eol");
+PRINT_ERROR(" (%s:%d)\n", FILE_csv, 112);
+fatal_exit(1);
+}
+var5 = var7;
+RET_LABEL6:(void)0;
+}
+}
+{
+{ /* Inline csv$CsvStream$eol= (var_s,var5) on <var_s:CsvWriter> */
+var_s->attrs[COLOR_csv__CsvStream___eol].val = var5; /* _eol on <var_s:CsvWriter> */
+RET_LABEL8:(void)0;
+}
+}
+{
+{ /* Inline csv$CsvStream$delimiter (self) on <self:CsvDocument> */
+var11 = self->attrs[COLOR_csv__CsvStream___delimiter].c; /* _delimiter on <self:CsvDocument> */
+var9 = var11;
+RET_LABEL10:(void)0;
+}
+}
+{
+{ /* Inline csv$CsvStream$delimiter= (var_s,var9) on <var_s:CsvWriter> */
+var_s->attrs[COLOR_csv__CsvStream___delimiter].c = var9; /* _delimiter on <var_s:CsvWriter> */
+RET_LABEL12:(void)0;
+}
+}
+{
+{ /* Inline csv$CsvDocument$header (self) on <self:CsvDocument> */
+var15 = self->attrs[COLOR_csv__CsvDocument___header].val; /* _header on <self:CsvDocument> */
+if (unlikely(var15 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _header");
+PRINT_ERROR(" (%s:%d)\n", FILE_csv, 121);
+fatal_exit(1);
+}
+var13 = var15;
+RET_LABEL14:(void)0;
+}
+}
+{
+var16 = core___core__AbstractArrayRead___core__abstract_collection__Collection__is_empty(var13);
+}
+var17 = !var16;
+if (var17){
+{
+{ /* Inline csv$CsvDocument$header (self) on <self:CsvDocument> */
+var20 = self->attrs[COLOR_csv__CsvDocument___header].val; /* _header on <self:CsvDocument> */
+if (unlikely(var20 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _header");
+PRINT_ERROR(" (%s:%d)\n", FILE_csv, 121);
+fatal_exit(1);
+}
+var18 = var20;
+RET_LABEL19:(void)0;
+}
+}
+{
+csv___csv__CsvWriter___write_line(var_s, var18); /* Direct call csv$CsvWriter$write_line on <var_s:CsvWriter>*/
+}
 } else {
 }
-var30 = NEW_array__Array(&type_array__Arraystring__String);
-((void (*)(val*))(var30->class->vft[COLOR_array__Array__init]))(var30) /* init on <var30:Array[String]>*/;
-var_line = var30;
-var31 = ((val* (*)(val*))(var_values->class->vft[COLOR_abstract_collection__Collection__iterator]))(var_values) /* iterator on <var_values:Array[Object]>*/;
+{
+{ /* Inline csv$CsvDocument$records (self) on <self:CsvDocument> */
+var23 = self->attrs[COLOR_csv__CsvDocument___records].val; /* _records on <self:CsvDocument> */
+if (unlikely(var23 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _records");
+PRINT_ERROR(" (%s:%d)\n", FILE_csv, 126);
+fatal_exit(1);
+}
+var21 = var23;
+RET_LABEL22:(void)0;
+}
+}
+{
+csv___csv__CsvWriter___write_lines(var_s, var21); /* Direct call csv$CsvWriter$write_lines on <var_s:CsvWriter>*/
+}
+RET_LABEL:;
+}
+/* method csv$CsvDocument$init for (self: CsvDocument) */
+void csv___csv__CsvDocument___core__kernel__Object__init(val* self) {
+{
+((void(*)(val* self))(self->class->vft[COLOR_csv___csv__CsvDocument___core__kernel__Object__init]))(self); /* init on <self:CsvDocument>*/
+}
+RET_LABEL:;
+}
+/* method csv$CsvWriter$ostream for (self: CsvWriter): Writer */
+val* csv___csv__CsvWriter___ostream(val* self) {
+val* var /* : Writer */;
+val* var1 /* : Writer */;
+var1 = self->attrs[COLOR_csv__CsvWriter___ostream].val; /* _ostream on <self:CsvWriter> */
+if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _ostream");
+PRINT_ERROR(" (%s:%d)\n", FILE_csv, 186);
+fatal_exit(1);
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method csv$CsvWriter$ostream= for (self: CsvWriter, Writer) */
+void csv___csv__CsvWriter___ostream_61d(val* self, val* p0) {
+self->attrs[COLOR_csv__CsvWriter___ostream].val = p0; /* _ostream on <self:CsvWriter> */
+RET_LABEL:;
+}
+/* method csv$CsvWriter$write_lines for (self: CsvWriter, Array[Array[Object]]) */
+void csv___csv__CsvWriter___write_lines(val* self, val* p0) {
+val* var_lines /* var lines: Array[Array[Object]] */;
+val* var_ /* var : Array[Array[Object]] */;
+val* var /* : IndexedIterator[nullable Object] */;
+val* var_1 /* var : IndexedIterator[Array[Object]] */;
+short int var2 /* : Bool */;
+val* var3 /* : nullable Object */;
+val* var_i /* var i: Array[Object] */;
+var_lines = p0;
+var_ = var_lines;
+{
+var = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
+}
+var_1 = var;
 for(;;) {
-var32 = ((short int (*)(val*))(var31->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var31) /* is_ok on <var31:Iterator[nullable Object]>*/;
-if(!var32) break;
-var33 = ((val* (*)(val*))(var31->class->vft[COLOR_abstract_collection__Iterator__item]))(var31) /* item on <var31:Iterator[nullable Object]>*/;
-var_value = var33;
-var34 = ((val* (*)(val*))(var_value->class->vft[COLOR_string__Object__to_s]))(var_value) /* to_s on <var_value:Object>*/;
-((void (*)(val*, val*))(var_line->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_line, var34) /* add on <var_line:Array[String]>*/;
-CONTINUE_label: (void)0;
-((void (*)(val*))(var31->class->vft[COLOR_abstract_collection__Iterator__next]))(var31) /* next on <var31:Iterator[nullable Object]>*/;
+{
+var2 = ((short int(*)(val* self))((((long)var_1&3)?class_info[((long)var_1&3)]:var_1->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_1); /* is_ok on <var_1:IndexedIterator[Array[Object]]>*/
+}
+if (var2){
+} else {
+goto BREAK_label;
+}
+{
+var3 = ((val*(*)(val* self))((((long)var_1&3)?class_info[((long)var_1&3)]:var_1->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_1); /* item on <var_1:IndexedIterator[Array[Object]]>*/
+}
+var_i = var3;
+{
+csv___csv__CsvWriter___write_line(self, var_i); /* Direct call csv$CsvWriter$write_line on <self:CsvWriter>*/
+}
+{
+((void(*)(val* self))((((long)var_1&3)?class_info[((long)var_1&3)]:var_1->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_1); /* next on <var_1:IndexedIterator[Array[Object]]>*/
+}
 }
 BREAK_label: (void)0;
-var35 = ((val* (*)(val*))(self->class->vft[COLOR_csv__CSVDocument__lines]))(self) /* lines on <self:CSVDocument>*/;
-((void (*)(val*, val*))(var35->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var35, var_line) /* add on <var35:Array[Array[String]]>*/;
-RET_LABEL:;
+{
+((void(*)(val* self))((((long)var_1&3)?class_info[((long)var_1&3)]:var_1->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_1); /* finish on <var_1:IndexedIterator[Array[Object]]>*/
 }
-/* method csv#CSVDocument#add_line for (self: Object, Array[Object]) */
-void VIRTUAL_csv__CSVDocument__add_line(val* self, val* p0) {
-csv__CSVDocument__add_line(self, p0);
 RET_LABEL:;
 }
-/* method csv#CSVDocument#to_s for (self: CSVDocument): String */
-val* csv__CSVDocument__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : Array[String] */;
-static val* varonce;
-val* var2 /* : String */;
-char* var3 /* : NativeString */;
-long var4 /* : Int */;
-val* var5 /* : String */;
-val* var6 /* : String */;
-static val* varonce7;
-val* var8 /* : String */;
-char* var9 /* : NativeString */;
-long var10 /* : Int */;
+/* method csv$CsvWriter$write_line for (self: CsvWriter, Array[Object]) */
+void csv___csv__CsvWriter___write_line(val* self, val* p0) {
+val* var_line /* var line: Array[Object] */;
+val* var /* : Writer */;
+val* var2 /* : Writer */;
+val* var_os /* var os: Writer */;
+uint32_t var3 /* : Char */;
+uint32_t var5 /* : Char */;
+uint32_t var_esc /* var esc: Char */;
+uint32_t var6 /* : Char */;
+uint32_t var8 /* : Char */;
+uint32_t var_sep /* var sep: Char */;
+val* var9 /* : String */;
 val* var11 /* : String */;
-val* var12 /* : String */;
-val* var_str /* var str: String */;
-val* var13 /* : Array[Array[String]] */;
-val* var14 /* : Iterator[nullable Object] */;
-short int var15 /* : Bool */;
-val* var16 /* : nullable Object */;
-val* var_line /* var line: Array[String] */;
-static val* varonce17;
-val* var18 /* : String */;
-char* var19 /* : NativeString */;
-long var20 /* : Int */;
-val* var21 /* : String */;
-val* var22 /* : String */;
-static val* varonce23;
-val* var24 /* : String */;
-char* var25 /* : NativeString */;
-long var26 /* : Int */;
+val* var_eol /* var eol: String */;
+long var_i /* var i: Int */;
+long var12 /* : Int */;
+long var14 /* : Int */;
+long var15 /* : Int */;
+short int var17 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var18 /* : Int */;
+long var_ /* var : Int */;
+short int var19 /* : Bool */;
+short int var21 /* : Bool */;
+int cltype22;
+int idtype23;
+const char* var_class_name24;
+short int var25 /* : Bool */;
+val* var26 /* : nullable Object */;
 val* var27 /* : String */;
 val* var28 /* : String */;
-val* var29 /* : String */;
-var1 = ((val* (*)(val*))(self->class->vft[COLOR_csv__CSVDocument__header]))(self) /* header on <self:CSVDocument>*/;
-if (varonce) {
-var2 = varonce;
-} else {
-var3 = ";";
-var4 = 1;
-var5 = string__NativeString__to_s_with_length(var3, var4);
-var2 = var5;
-varonce = var2;
-}
-var6 = ((val* (*)(val*, val*))(var1->class->vft[COLOR_string__Collection__join]))(var1, var2) /* join on <var1:Array[String]>*/;
-if (varonce7) {
-var8 = varonce7;
-} else {
-var9 = "\n";
-var10 = 1;
-var11 = string__NativeString__to_s_with_length(var9, var10);
-var8 = var11;
-varonce7 = var8;
-}
-var12 = ((val* (*)(val*, val*))(var6->class->vft[COLOR_string__String___43d]))(var6, var8) /* + on <var6:String>*/;
-var_str = var12;
-var13 = ((val* (*)(val*))(self->class->vft[COLOR_csv__CSVDocument__lines]))(self) /* lines on <self:CSVDocument>*/;
-var14 = ((val* (*)(val*))(var13->class->vft[COLOR_abstract_collection__Collection__iterator]))(var13) /* iterator on <var13:Array[Array[String]]>*/;
+long var29 /* : Int */;
+val* var30 /* : nullable Object */;
+val* var31 /* : String */;
+val* var32 /* : String */;
+var_line = p0;
+{
+{ /* Inline csv$CsvWriter$ostream (self) on <self:CsvWriter> */
+var2 = self->attrs[COLOR_csv__CsvWriter___ostream].val; /* _ostream on <self:CsvWriter> */
+if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _ostream");
+PRINT_ERROR(" (%s:%d)\n", FILE_csv, 186);
+fatal_exit(1);
+}
+var = var2;
+RET_LABEL1:(void)0;
+}
+}
+var_os = var;
+{
+{ /* Inline csv$CsvStream$delimiter (self) on <self:CsvWriter> */
+var5 = self->attrs[COLOR_csv__CsvStream___delimiter].c; /* _delimiter on <self:CsvWriter> */
+var3 = var5;
+RET_LABEL4:(void)0;
+}
+}
+var_esc = var3;
+{
+{ /* Inline csv$CsvStream$separator (self) on <self:CsvWriter> */
+var8 = self->attrs[COLOR_csv__CsvStream___separator].c; /* _separator on <self:CsvWriter> */
+var6 = var8;
+RET_LABEL7:(void)0;
+}
+}
+var_sep = var6;
+{
+{ /* Inline csv$CsvStream$eol (self) on <self:CsvWriter> */
+var11 = self->attrs[COLOR_csv__CsvStream___eol].val; /* _eol on <self:CsvWriter> */
+if (unlikely(var11 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _eol");
+PRINT_ERROR(" (%s:%d)\n", FILE_csv, 112);
+fatal_exit(1);
+}
+var9 = var11;
+RET_LABEL10:(void)0;
+}
+}
+var_eol = var9;
+var_i = 0l;
+{
+{ /* Inline array$AbstractArrayRead$length (var_line) on <var_line:Array[Object]> */
+var14 = var_line->attrs[COLOR_core__array__AbstractArrayRead___length].l; /* _length on <var_line:Array[Object]> */
+var12 = var14;
+RET_LABEL13:(void)0;
+}
+}
+{
+{ /* Inline kernel$Int$- (var12,1l) on <var12:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var17 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var17)) {
+var_class_name = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
+fatal_exit(1);
+}
+var18 = var12 - 1l;
+var15 = var18;
+goto RET_LABEL16;
+RET_LABEL16:(void)0;
+}
+}
+var_ = var15;
 for(;;) {
-var15 = ((short int (*)(val*))(var14->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var14) /* is_ok on <var14:Iterator[nullable Object]>*/;
-if(!var15) break;
-var16 = ((val* (*)(val*))(var14->class->vft[COLOR_abstract_collection__Iterator__item]))(var14) /* item on <var14:Iterator[nullable Object]>*/;
-var_line = var16;
-if (varonce17) {
-var18 = varonce17;
-} else {
-var19 = ";";
-var20 = 1;
-var21 = string__NativeString__to_s_with_length(var19, var20);
-var18 = var21;
-varonce17 = var18;
-}
-var22 = ((val* (*)(val*, val*))(var_line->class->vft[COLOR_string__Collection__join]))(var_line, var18) /* join on <var_line:Array[String]>*/;
-if (varonce23) {
-var24 = varonce23;
+{
+{ /* Inline kernel$Int$< (var_i,var_) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var21 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var21)) {
+var_class_name24 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name24);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
+fatal_exit(1);
+}
+var25 = var_i < var_;
+var19 = var25;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
+}
+}
+if (var19){
 } else {
-var25 = "\n";
-var26 = 1;
-var27 = string__NativeString__to_s_with_length(var25, var26);
-var24 = var27;
-varonce23 = var24;
-}
-var28 = ((val* (*)(val*, val*))(var22->class->vft[COLOR_string__String___43d]))(var22, var24) /* + on <var22:String>*/;
-var29 = ((val* (*)(val*, val*))(var_str->class->vft[COLOR_string__String___43d]))(var_str, var28) /* + on <var_str:String>*/;
-var_str = var29;
-CONTINUE_label: (void)0;
-((void (*)(val*))(var14->class->vft[COLOR_abstract_collection__Iterator__next]))(var14) /* next on <var14:Iterator[nullable Object]>*/;
+goto BREAK_label;
+}
+{
+var26 = core___core__Array___core__abstract_collection__SequenceRead___91d_93d(var_line, var_i);
+}
+{
+var27 = ((val*(*)(val* self))((((long)var26&3)?class_info[((long)var26&3)]:var26->class)->vft[COLOR_core__abstract_text__Object__to_s]))(var26); /* to_s on <var26:nullable Object(Object)>*/
+}
+{
+var28 = csv___core__Text___escape_to_csv(var27, var_sep, var_esc, var_eol);
+}
+{
+core___core__FileWriter___core__stream__Writer__write(var_os, var28); /* Direct call file$FileWriter$write on <var_os:Writer>*/
+}
+{
+core___core__Writer___write_char(var_os, var_sep); /* Direct call stream$Writer$write_char on <var_os:Writer>*/
+}
+{
+var29 = core___core__Int___Discrete__successor(var_i, 1l);
+}
+var_i = var29;
 }
 BREAK_label: (void)0;
-var = var_str;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+{
+var30 = core___core__SequenceRead___last(var_line);
 }
-/* method csv#CSVDocument#to_s for (self: Object): String */
-val* VIRTUAL_csv__CSVDocument__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = csv__CSVDocument__to_s(self);
-var = var1;
-RET_LABEL:;
-return var;
+{
+var31 = ((val*(*)(val* self))((((long)var30&3)?class_info[((long)var30&3)]:var30->class)->vft[COLOR_core__abstract_text__Object__to_s]))(var30); /* to_s on <var30:nullable Object(Object)>*/
 }
-/* method csv#CSVDocument#save for (self: CSVDocument, String) */
-void csv__CSVDocument__save(val* self, val* p0) {
-val* var_file /* var file: String */;
-val* var /* : OFStream */;
-val* var_out /* var out: OFStream */;
-val* var1 /* : String */;
-var_file = p0;
-var = NEW_file__OFStream(&type_file__OFStream);
-((void (*)(val*, val*))(var->class->vft[COLOR_file__OFStream__open]))(var, var_file) /* open on <var:OFStream>*/;
-var_out = var;
-var1 = ((val* (*)(val*))(self->class->vft[COLOR_string__Object__to_s]))(self) /* to_s on <self:CSVDocument>*/;
-((void (*)(val*, val*))(var_out->class->vft[COLOR_stream__OStream__write]))(var_out, var1) /* write on <var_out:OFStream>*/;
-((void (*)(val*))(var_out->class->vft[COLOR_stream__IOS__close]))(var_out) /* close on <var_out:OFStream>*/;
-RET_LABEL:;
+{
+var32 = csv___core__Text___escape_to_csv(var31, var_sep, var_esc, var_eol);
 }
-/* method csv#CSVDocument#save for (self: Object, String) */
-void VIRTUAL_csv__CSVDocument__save(val* self, val* p0) {
-csv__CSVDocument__save(self, p0);
-RET_LABEL:;
+{
+core___core__FileWriter___core__stream__Writer__write(var_os, var32); /* Direct call file$FileWriter$write on <var_os:Writer>*/
+}
+{
+core___core__FileWriter___core__stream__Writer__write(var_os, var_eol); /* Direct call file$FileWriter$write on <var_os:Writer>*/
 }
-/* method csv#CSVDocument#init for (self: CSVDocument) */
-void csv__CSVDocument__init(val* self) {
 RET_LABEL:;
 }
-/* method csv#CSVDocument#init for (self: Object) */
-void VIRTUAL_csv__CSVDocument__init(val* self) {
-csv__CSVDocument__init(self);
+/* method csv$CsvWriter$init for (self: CsvWriter) */
+void csv___csv__CsvWriter___core__kernel__Object__init(val* self) {
+{
+((void(*)(val* self))(self->class->vft[COLOR_csv___csv__CsvWriter___core__kernel__Object__init]))(self); /* init on <self:CsvWriter>*/
+}
 RET_LABEL:;
 }