X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ast.c;h=341d5f2d17e6bcd968efc84675eecec3f694ffed;hb=23e9b60ddf7642b66def2665bb799dc12d464cee;hp=0d283f81281d686add6e807cb9b953f8f90349ac;hpb=35b6bfa9d3d3cbaa12c753901d53751a3ea7c0af;p=cparser diff --git a/ast.c b/ast.c index 0d283f8..341d5f2 100644 --- a/ast.c +++ b/ast.c @@ -16,9 +16,14 @@ static FILE *out; static int indent; static void print_statement(const statement_t *statement); -static void print_declaration(const declaration_t *declaration); -static void print_indent(void) +void change_indent(int delta) +{ + indent += delta; + assert(indent >= 0); +} + +void print_indent(void) { for(int i = 0; i < indent; ++i) fprintf(out, "\t"); @@ -30,7 +35,7 @@ static void print_const(const const_t *cnst) return; if(is_type_integer(cnst->expression.datatype)) { - fprintf(out, "%d", cnst->v.int_value); + fprintf(out, "%lld", cnst->v.int_value); } else if(is_type_floating(cnst->expression.datatype)) { fprintf(out, "%Lf", cnst->v.float_value); } @@ -65,7 +70,7 @@ static void print_string_literal(const string_literal_t *string_literal) static void print_call_expression(const call_expression_t *call) { - print_expression(call->method); + print_expression(call->function); fprintf(out, "("); call_argument_t *argument = call->arguments; int first = 1; @@ -156,7 +161,7 @@ static void print_unary_expression(const unary_expression_t *unexpr) fputs(")", out); break; case UNEXPR_INVALID: - fprintf(out, "unop%d", unexpr->type); + fprintf(out, "unop%d", (int) unexpr->type); break; } fputs("(", out); @@ -217,9 +222,30 @@ static void print_va_arg(const va_arg_expression_t *expression) fputs(")", out); } +static void print_select(const select_expression_t *expression) +{ + print_expression(expression->compound); + if(expression->compound->datatype == NULL || + expression->compound->datatype->type == TYPE_POINTER) { + fputs("->", out); + } else { + fputc('.', out); + } + fputs(expression->symbol->string, out); +} + +static void print_classify_type_expression( + const classify_type_expression_t *const expr) +{ + fputs("__builtin_classify_type(", out); + print_expression(expr->type_expression); + fputc(')', out); +} + void print_expression(const expression_t *expression) { switch(expression->type) { + case EXPR_UNKNOWN: case EXPR_INVALID: fprintf(out, "*invalid expression*"); break; @@ -258,12 +284,17 @@ void print_expression(const expression_t *expression) case EXPR_VA_ARG: print_va_arg((const va_arg_expression_t*) expression); break; + case EXPR_SELECT: + print_select((const select_expression_t*) expression); + break; + case EXPR_CLASSIFY_TYPE: + print_classify_type_expression((const classify_type_expression_t*)expression); + break; case EXPR_OFFSETOF: case EXPR_STATEMENT: - case EXPR_SELECT: /* TODO */ - fprintf(out, "some expression of type %d", expression->type); + fprintf(out, "some expression of type %d", (int) expression->type); break; } } @@ -302,17 +333,18 @@ static void print_expression_statement(const expression_statement_t *statement) static void print_goto_statement(const goto_statement_t *statement) { fprintf(out, "goto "); - if(statement->label != NULL) { - fprintf(out, "%s", statement->label->symbol->string); - } else { - fprintf(out, "?%s", statement->label_symbol->string); - } + fputs(statement->label->symbol->string, out); + fprintf(stderr, "(%p)", (void*) statement->label); fputs(";\n", out); } static void print_label_statement(const label_statement_t *statement) { - fprintf(out, "%s:\n", statement->symbol->string); + fprintf(stderr, "(%p)", (void*) statement->label); + fprintf(out, "%s:\n", statement->label->symbol->string); + if(statement->label_statement != NULL) { + print_statement(statement->label_statement); + } } static void print_if_statement(const if_statement_t *statement) @@ -348,15 +380,23 @@ static void print_case_label(const case_label_statement_t *statement) print_expression(statement->expression); fputs(":\n", out); } + print_statement(statement->label_statement); } static void print_declaration_statement( const declaration_statement_t *statement) { + int first = 1; declaration_t *declaration = statement->declarations_begin; for( ; declaration != statement->declarations_end->next; declaration = declaration->next) { + if(!first) { + print_indent(); + } else { + first = 0; + } print_declaration(declaration); + fputc('\n', out); } } @@ -387,10 +427,13 @@ static void print_for_statement(const for_statement_t *statement) if(statement->context.declarations->next != NULL) { panic("multiple declarations in for statement not supported yet"); } - } else if(statement->initialisation) { - print_expression(statement->initialisation); + fputc(' ', out); + } else { + if(statement->initialisation) { + print_expression(statement->initialisation); + } + fputs("; ", out); } - fputs("; ", out); if(statement->condition != NULL) { print_expression(statement->condition); } @@ -467,30 +510,99 @@ static void print_storage_class(storage_class_t storage_class) } } -static void print_declaration(const declaration_t *declaration) +void print_initializer(const initializer_t *initializer) { - print_storage_class(declaration->storage_class); + if(initializer->type == INITIALIZER_VALUE) { + //print_expression(initializer->v.value); + return; + } + +#if 0 + assert(initializer->type == INITIALIZER_LIST); + fputs("{ ", out); + initializer_t *iter = initializer->v.list; + for( ; iter != NULL; iter = iter->next) { + print_initializer(iter); + if(iter->next != NULL) { + fputs(", ", out); + } + } + fputs("}", out); +#endif +} + +static void print_normal_declaration(const declaration_t *declaration) +{ + print_storage_class((storage_class_t)declaration->storage_class); print_type_ext(declaration->type, declaration->symbol, &declaration->context); - if(declaration->statement != NULL) { - fputs("\n", out); - print_statement(declaration->statement); - } else if(declaration->initializer != NULL) { + if(declaration->is_inline) { + fputs("inline ", out); + } + + if(declaration->type->type == TYPE_FUNCTION) { + if(declaration->init.statement != NULL) { + fputs("\n", out); + print_statement(declaration->init.statement); + return; + } + } else if(declaration->init.initializer != NULL) { fputs(" = ", out); - print_expression(declaration->initializer); - fprintf(out, ";\n"); - } else { - fprintf(out, ";\n"); + print_initializer(declaration->init.initializer); + } + fputc(';', out); +} + +void print_declaration(const declaration_t *declaration) +{ + if(declaration->namespc != NAMESPACE_NORMAL && + declaration->symbol == NULL) + return; + + switch(declaration->namespc) { + case NAMESPACE_NORMAL: + print_normal_declaration(declaration); + break; + case NAMESPACE_STRUCT: + fputs("struct ", out); + fputs(declaration->symbol->string, out); + fputc(' ', out); + print_compound_definition(declaration); + fputc(';', out); + break; + case NAMESPACE_UNION: + fputs("union ", out); + fputs(declaration->symbol->string, out); + fputc(' ', out); + print_compound_definition(declaration); + fputc(';', out); + break; + case NAMESPACE_ENUM: + fputs("enum ", out); + fputs(declaration->symbol->string, out); + fputc(' ', out); + print_enum_definition(declaration); + fputc(';', out); + break; } } void print_ast(const translation_unit_t *unit) { + inc_type_visited(); + set_print_compound_entries(true); + declaration_t *declaration = unit->context.declarations; - while(declaration != NULL) { - print_declaration(declaration); + for( ; declaration != NULL; declaration = declaration->next) { + if(declaration->storage_class == STORAGE_CLASS_ENUM_ENTRY) + continue; + if(declaration->namespc != NAMESPACE_NORMAL && + declaration->symbol == NULL) + continue; - declaration = declaration->next; + print_indent(); + print_declaration(declaration); + fputc('\n', out); } }