X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=ast.c;h=87d490ed16bed8cf6307ddebee2794c5c6c8e422;hb=23a7fb81b19babf67991342c583bf74a556f3019;hp=e1097544da3ba03d76b6c598e86341de7f4dc8b5;hpb=a740bffad852f75cbf9b81dc5e025e4b95d5fada;p=cparser diff --git a/ast.c b/ast.c index e109754..87d490e 100644 --- a/ast.c +++ b/ast.c @@ -41,11 +41,10 @@ static void print_const(const const_expression_t *cnst) } } -static void print_string_literal( - const string_literal_expression_t *string_literal) +static void print_quoted_string(const char *string) { fputc('"', out); - for(const char *c = string_literal->value; *c != '\0'; ++c) { + for(const char *c = string; *c != '\0'; ++c) { switch(*c) { case '\"': fputs("\\\"", out); break; case '\\': fputs("\\\\", out); break; @@ -69,6 +68,57 @@ static void print_string_literal( fputc('"', out); } +static void print_string_literal( + const string_literal_expression_t *string_literal) +{ + print_quoted_string(string_literal->value); +} + +static void print_wide_string_literal( + const wide_string_literal_expression_t *const wstr) +{ + fputs("L\"", out); + for (const wchar_rep_t *c = wstr->value.begin, + *end = c + wstr->value.size; + c != end; ++c) { + switch (*c) { + case L'\"': fputs("\\\"", out); break; + case L'\\': fputs("\\\\", out); break; + case L'\a': fputs("\\a", out); break; + case L'\b': fputs("\\b", out); break; + case L'\f': fputs("\\f", out); break; + case L'\n': fputs("\\n", out); break; + case L'\r': fputs("\\r", out); break; + case L'\t': fputs("\\t", out); break; + case L'\v': fputs("\\v", out); break; + case L'\?': fputs("\\?", out); break; + default: { + const unsigned tc = *c; + if (tc < 0x80U) { + if (!isprint(*c)) { + fprintf(out, "\\%03o", (char)*c); + } else { + fputc(*c, out); + } + } else if (tc < 0x800) { + fputc(0xC0 | (tc >> 6), out); + fputc(0x80 | (tc & 0x3F), out); + } else if (tc < 0x10000) { + fputc(0xE0 | ( tc >> 12), out); + fputc(0x80 | ((tc >> 6) & 0x3F), out); + fputc(0x80 | ( tc & 0x3F), out); + } else { + fputc(0xF0 | ( tc >> 18), out); + fputc(0x80 | ((tc >> 12) & 0x3F), out); + fputc(0x80 | ((tc >> 6) & 0x3F), out); + fputc(0x80 | ( tc & 0x3F), out); + } + } + } + } + fputc('"', out); +} + static void print_call_expression(const call_expression_t *call) { print_expression(call->function); @@ -161,6 +211,9 @@ static void print_unary_expression(const unary_expression_t *unexpr) print_type(unexpr->expression.datatype); fputs(")", out); break; + case UNEXPR_CAST_IMPLICIT: + print_expression(unexpr->value); + return; case UNEXPR_INVALID: fprintf(out, "unop%d", (int) unexpr->type); break; @@ -266,6 +319,9 @@ void print_expression(const expression_t *expression) case EXPR_STRING_LITERAL: print_string_literal(&expression->string); break; + case EXPR_WIDE_STRING_LITERAL: + print_wide_string_literal(&expression->wide_string); + break; case EXPR_CALL: print_call_expression(&expression->call); break; @@ -454,23 +510,80 @@ static void print_for_statement(const for_statement_t *statement) print_statement(statement->body); } +static void print_asm_constraints(asm_constraint_t *constraints) +{ + asm_constraint_t *constraint = constraints; + for( ; constraint != NULL; constraint = constraint->next) { + if(constraint != constraints) + fputs(", ", out); + + if(constraint->symbol) { + fprintf(out, "[%s] ", constraint->symbol->string); + } + print_quoted_string(constraint->constraints); + fputs(" (", out); + print_expression(constraint->expression); + fputs(")", out); + } +} + +static void print_asm_clobbers(asm_clobber_t *clobbers) +{ + asm_clobber_t *clobber = clobbers; + for( ; clobber != NULL; clobber = clobber->next) { + if(clobber != clobbers) + fputs(", ", out); + + print_quoted_string(clobber->clobber); + } +} + +static void print_asm_statement(const asm_statement_t *statement) +{ + fputs("asm ", out); + if(statement->is_volatile) { + fputs("volatile ", out); + } + fputs("(", out); + print_quoted_string(statement->asm_text); + if(statement->inputs == NULL && statement->outputs == NULL + && statement->clobbers == NULL) + goto end_of_print_asm_statement; + + fputs(" : ", out); + print_asm_constraints(statement->inputs); + if(statement->outputs == NULL && statement->clobbers == NULL) + goto end_of_print_asm_statement; + + fputs(" : ", out); + print_asm_constraints(statement->outputs); + if(statement->clobbers == NULL) + goto end_of_print_asm_statement; + + fputs(" : ", out); + print_asm_clobbers(statement->clobbers); + +end_of_print_asm_statement: + fputs(");\n", out); +} + void print_statement(const statement_t *statement) { switch(statement->type) { case STATEMENT_COMPOUND: - print_compound_statement((const compound_statement_t*) statement); + print_compound_statement(&statement->compound); break; case STATEMENT_RETURN: - print_return_statement((const return_statement_t*) statement); + print_return_statement(&statement->returns); break; case STATEMENT_EXPRESSION: - print_expression_statement((const expression_statement_t*) statement); + print_expression_statement(&statement->expression); break; case STATEMENT_LABEL: - print_label_statement((const label_statement_t*) statement); + print_label_statement(&statement->label); break; case STATEMENT_GOTO: - print_goto_statement((const goto_statement_t*) statement); + print_goto_statement(&statement->gotos); break; case STATEMENT_CONTINUE: fputs("continue;\n", out); @@ -479,25 +592,28 @@ void print_statement(const statement_t *statement) fputs("break;\n", out); break; case STATEMENT_IF: - print_if_statement((const if_statement_t*) statement); + print_if_statement(&statement->ifs); break; case STATEMENT_SWITCH: - print_switch_statement((const switch_statement_t*) statement); + print_switch_statement(&statement->switchs); break; case STATEMENT_CASE_LABEL: - print_case_label((const case_label_statement_t*) statement); + print_case_label(&statement->case_label); break; case STATEMENT_DECLARATION: - print_declaration_statement((const declaration_statement_t*) statement); + print_declaration_statement(&statement->declaration); break; case STATEMENT_WHILE: - print_while_statement((const while_statement_t*) statement); + print_while_statement(&statement->whiles); break; case STATEMENT_DO_WHILE: - print_do_while_statement((const do_while_statement_t*) statement); + print_do_while_statement(&statement->do_while); break; case STATEMENT_FOR: - print_for_statement((const for_statement_t*) statement); + print_for_statement(&statement->fors); + break; + case STATEMENT_ASM: + print_asm_statement(&statement->asms); break; case STATEMENT_INVALID: fprintf(out, "*invalid statement*"); @@ -546,11 +662,11 @@ void print_initializer(const initializer_t *initializer) static void print_normal_declaration(const declaration_t *declaration) { print_storage_class(declaration->storage_class); - print_type_ext(declaration->type, declaration->symbol, - &declaration->context); if(declaration->is_inline) { fputs("inline ", out); } + print_type_ext(declaration->type, declaration->symbol, + &declaration->context); if(declaration->type->type == TYPE_FUNCTION) { if(declaration->init.statement != NULL) {