#include "lang_features.h"
#include <assert.h>
-#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
+#ifdef __INTEL_COMPILER
+#include <mathimf.h>
+#else
+#include <math.h>
+#endif
+
#include "adt/error.h"
struct obstack ast_obstack;
void print_indent(void)
{
- for(int i = 0; i < indent; ++i)
- fprintf(out, "\t");
+ for (int i = 0; i < indent; ++i)
+ fputc('\t', out);
}
enum precedence_t {
[EXPR_STRING_LITERAL] = PREC_PRIM,
[EXPR_WIDE_STRING_LITERAL] = PREC_PRIM,
[EXPR_COMPOUND_LITERAL] = PREC_UNARY,
- [EXPR_CALL] = PREC_PRIM,
+ [EXPR_CALL] = PREC_ACCESS,
[EXPR_CONDITIONAL] = PREC_COND,
[EXPR_SELECT] = PREC_ACCESS,
[EXPR_ARRAY_ACCESS] = PREC_ACCESS,
[EXPR_VA_START] = PREC_PRIM,
[EXPR_VA_ARG] = PREC_PRIM,
[EXPR_STATEMENT] = PREC_ACCESS,
+ [EXPR_LABEL_ADDRESS] = PREC_PRIM,
[EXPR_UNARY_NEGATE] = PREC_UNARY,
[EXPR_UNARY_PLUS] = PREC_UNARY,
fprintf(out, "%lld", cnst->v.int_value);
} else if (is_type_float(type)) {
long double const val = cnst->v.float_value;
+#ifdef _WIN32
+ /* ARG, no way to print long double */
+ fprintf(out, "%.20g", (double)val);
+#else
fprintf(out, "%.20Lg", val);
+#endif
if (isfinite(val) && truncl(val) == val)
fputs(".0", out);
} else {
{
fputc('(', out);
print_type(expression->type);
- fputs(") ", out);
+ fputc(')', out);
print_initializer(expression->initializer);
}
{
unsigned prec = get_expression_precedence(call->base.kind);
print_expression_prec(call->function, prec);
- fprintf(out, "(");
+ fputc('(', out);
call_argument_t *argument = call->arguments;
int first = 1;
while(argument != NULL) {
if(!first) {
- fprintf(out, ", ");
+ fputs(", ", out);
} else {
first = 0;
}
argument = argument->next;
}
- fprintf(out, ")");
+ fputc(')', out);
}
/**
}
print_expression_prec(binexpr->left, prec + r2l);
- if (binexpr->base.kind != EXPR_BINARY_COMMA) {
- fputc(' ', out);
- }
+ char const* op;
switch (binexpr->base.kind) {
- case EXPR_BINARY_COMMA: fputs(",", out); break;
- case EXPR_BINARY_ASSIGN: fputs("=", out); break;
- case EXPR_BINARY_ADD: fputs("+", out); break;
- case EXPR_BINARY_SUB: fputs("-", out); break;
- case EXPR_BINARY_MUL: fputs("*", out); break;
- case EXPR_BINARY_MOD: fputs("%", out); break;
- case EXPR_BINARY_DIV: fputs("/", out); break;
- case EXPR_BINARY_BITWISE_OR: fputs("|", out); break;
- case EXPR_BINARY_BITWISE_AND: fputs("&", out); break;
- case EXPR_BINARY_BITWISE_XOR: fputs("^", out); break;
- case EXPR_BINARY_LOGICAL_OR: fputs("||", out); break;
- case EXPR_BINARY_LOGICAL_AND: fputs("&&", out); break;
- case EXPR_BINARY_NOTEQUAL: fputs("!=", out); break;
- case EXPR_BINARY_EQUAL: fputs("==", out); break;
- case EXPR_BINARY_LESS: fputs("<", out); break;
- case EXPR_BINARY_LESSEQUAL: fputs("<=", out); break;
- case EXPR_BINARY_GREATER: fputs(">", out); break;
- case EXPR_BINARY_GREATEREQUAL: fputs(">=", out); break;
- case EXPR_BINARY_SHIFTLEFT: fputs("<<", out); break;
- case EXPR_BINARY_SHIFTRIGHT: fputs(">>", out); break;
-
- case EXPR_BINARY_ADD_ASSIGN: fputs("+=", out); break;
- case EXPR_BINARY_SUB_ASSIGN: fputs("-=", out); break;
- case EXPR_BINARY_MUL_ASSIGN: fputs("*=", out); break;
- case EXPR_BINARY_MOD_ASSIGN: fputs("%=", out); break;
- case EXPR_BINARY_DIV_ASSIGN: fputs("/=", out); break;
- case EXPR_BINARY_BITWISE_OR_ASSIGN: fputs("|=", out); break;
- case EXPR_BINARY_BITWISE_AND_ASSIGN: fputs("&=", out); break;
- case EXPR_BINARY_BITWISE_XOR_ASSIGN: fputs("^=", out); break;
- case EXPR_BINARY_SHIFTLEFT_ASSIGN: fputs("<<=", out); break;
- case EXPR_BINARY_SHIFTRIGHT_ASSIGN: fputs(">>=", out); break;
+ case EXPR_BINARY_COMMA: op = ", "; break;
+ case EXPR_BINARY_ASSIGN: op = " = "; break;
+ case EXPR_BINARY_ADD: op = " + "; break;
+ case EXPR_BINARY_SUB: op = " - "; break;
+ case EXPR_BINARY_MUL: op = " * "; break;
+ case EXPR_BINARY_MOD: op = " % "; break;
+ case EXPR_BINARY_DIV: op = " / "; break;
+ case EXPR_BINARY_BITWISE_OR: op = " | "; break;
+ case EXPR_BINARY_BITWISE_AND: op = " & "; break;
+ case EXPR_BINARY_BITWISE_XOR: op = " ^ "; break;
+ case EXPR_BINARY_LOGICAL_OR: op = " || "; break;
+ case EXPR_BINARY_LOGICAL_AND: op = " && "; break;
+ case EXPR_BINARY_NOTEQUAL: op = " != "; break;
+ case EXPR_BINARY_EQUAL: op = " == "; break;
+ case EXPR_BINARY_LESS: op = " < "; break;
+ case EXPR_BINARY_LESSEQUAL: op = " <= "; break;
+ case EXPR_BINARY_GREATER: op = " > "; break;
+ case EXPR_BINARY_GREATEREQUAL: op = " >= "; break;
+ case EXPR_BINARY_SHIFTLEFT: op = " << "; break;
+ case EXPR_BINARY_SHIFTRIGHT: op = " >> "; break;
+
+ case EXPR_BINARY_ADD_ASSIGN: op = " += "; break;
+ case EXPR_BINARY_SUB_ASSIGN: op = " -= "; break;
+ case EXPR_BINARY_MUL_ASSIGN: op = " *= "; break;
+ case EXPR_BINARY_MOD_ASSIGN: op = " %= "; break;
+ case EXPR_BINARY_DIV_ASSIGN: op = " /= "; break;
+ case EXPR_BINARY_BITWISE_OR_ASSIGN: op = " |= "; break;
+ case EXPR_BINARY_BITWISE_AND_ASSIGN: op = " &= "; break;
+ case EXPR_BINARY_BITWISE_XOR_ASSIGN: op = " ^= "; break;
+ case EXPR_BINARY_SHIFTLEFT_ASSIGN: op = " <<= "; break;
+ case EXPR_BINARY_SHIFTRIGHT_ASSIGN: op = " >>= "; break;
default: panic("invalid binexpression found");
}
- fputc(' ', out);
+ fputs(op, out);
print_expression_prec(binexpr->right, prec - r2l);
}
{
unsigned prec = get_expression_precedence(unexpr->base.kind);
switch(unexpr->base.kind) {
- case EXPR_UNARY_NEGATE: fputs("-", out); break;
- case EXPR_UNARY_PLUS: fputs("+", out); break;
- case EXPR_UNARY_NOT: fputs("!", out); break;
- case EXPR_UNARY_BITWISE_NEGATE: fputs("~", out); break;
+ case EXPR_UNARY_NEGATE: fputc('-', out); break;
+ case EXPR_UNARY_PLUS: fputc('+', out); break;
+ case EXPR_UNARY_NOT: fputc('!', out); break;
+ case EXPR_UNARY_BITWISE_NEGATE: fputc('~', out); break;
case EXPR_UNARY_PREFIX_INCREMENT: fputs("++", out); break;
case EXPR_UNARY_PREFIX_DECREMENT: fputs("--", out); break;
- case EXPR_UNARY_DEREFERENCE: fputs("*", out); break;
- case EXPR_UNARY_TAKE_ADDRESS: fputs("&", out); break;
+ case EXPR_UNARY_DEREFERENCE: fputc('*', out); break;
+ case EXPR_UNARY_TAKE_ADDRESS: fputc('&', out); break;
case EXPR_UNARY_POSTFIX_INCREMENT:
print_expression_prec(unexpr->value, prec);
*/
static void print_reference_expression(const reference_expression_t *ref)
{
- fprintf(out, "%s", ref->declaration->symbol->string);
+ fputs(ref->declaration->symbol->string, out);
+}
+
+/**
+ * Prints a label address expression.
+ *
+ * @param ref the reference expression
+ */
+static void print_label_address_expression(const label_address_expression_t *le)
+{
+ fprintf(out, "&&%s", le->declaration->symbol->string);
}
/**
print_expression_prec(expression->ap, PREC_COMMA + 1);
fputs(", ", out);
fputs(expression->parameter->symbol->string, out);
- fputs(")", out);
+ fputc(')', out);
}
/**
print_expression_prec(expression->ap, PREC_COMMA + 1);
fputs(", ", out);
print_type(expression->base.type);
- fputs(")", out);
+ fputc(')', out);
}
/**
} else {
fputc('.', out);
}
- fputs(expression->symbol->string, out);
+ fputs(expression->compound_entry->symbol->string, out);
}
/**
switch(expression->kind) {
case EXPR_UNKNOWN:
case EXPR_INVALID:
- fprintf(out, "$invalid expression$");
+ fputs("$invalid expression$", out);
break;
case EXPR_CHARACTER_CONSTANT:
print_character_constant(&expression->conste);
case EXPR_ARRAY_ACCESS:
print_array_expression(&expression->array_access);
break;
+ case EXPR_LABEL_ADDRESS:
+ print_label_address_expression(&expression->label_address);
+ break;
EXPR_UNARY_CASES
print_unary_expression(&expression->unary);
break;
++indent;
statement_t *statement = block->statements;
- while(statement != NULL) {
+ while (statement != NULL) {
if (statement->base.kind == STATEMENT_CASE_LABEL)
--indent;
- print_indent();
+ if (statement->kind != STATEMENT_LABEL)
+ print_indent();
print_statement(statement);
statement = statement->base.next;
*/
static void print_return_statement(const return_statement_t *statement)
{
- fprintf(out, "return ");
+ fputs("return ", out);
if(statement->value != NULL)
print_expression(statement->value);
fputs(";\n", out);
*/
static void print_goto_statement(const goto_statement_t *statement)
{
- fprintf(out, "goto ");
- fputs(statement->label->symbol->string, out);
- fprintf(stderr, "(%p)", (void*) statement->label);
+ fputs("goto ", out);
+ if (statement->expression != NULL) {
+ fputc('*', out);
+ print_expression(statement->expression);
+ } else {
+ fputs(statement->label->symbol->string, out);
+ }
fputs(";\n", out);
}
*/
static void print_label_statement(const label_statement_t *statement)
{
- fprintf(stderr, "(%p)", (void*) statement->label);
fprintf(out, "%s:\n", statement->label->symbol->string);
+ print_indent();
print_statement(statement->statement);
}
const declaration_statement_t *statement)
{
bool first = true;
- for (declaration_t *declaration = statement->declarations_begin;
- declaration != statement->declarations_end->next;
- declaration = declaration->next) {
- if (declaration->storage_class == STORAGE_CLASS_ENUM_ENTRY)
- continue;
- if (declaration->implicit)
- continue;
-
- if (!first) {
- print_indent();
- } else {
- first = false;
+ declaration_t *declaration = statement->declarations_begin;
+
+ if (declaration->namespc == NAMESPACE_LOCAL_LABEL) {
+ fputs("__label__ ", out);
+ for (;
+ declaration != statement->declarations_end->next;
+ declaration = declaration->next) {
+ if (!first) {
+ fputs(", ", out);
+ } else {
+ first = false;
+ }
+ fputs(declaration->symbol->string, out);
+ }
+ fputs(";\n", out);
+ } else {
+ for (;
+ declaration != statement->declarations_end->next;
+ declaration = declaration->next) {
+ if (declaration->storage_class == STORAGE_CLASS_ENUM_ENTRY)
+ continue;
+ if (declaration->implicit)
+ continue;
+
+ if (!first) {
+ print_indent();
+ } else {
+ first = false;
+ }
+ print_declaration(declaration);
+ fputc('\n', out);
}
- print_declaration(declaration);
- fputc('\n', out);
}
}
print_quoted_string(&argument->constraints, '"', 1);
fputs(" (", out);
print_expression(argument->expression);
- fputs(")", out);
+ fputc(')', out);
}
}
if(statement->is_volatile) {
fputs("volatile ", out);
}
- fputs("(", out);
+ fputc('(', out);
print_quoted_string(&statement->asm_text, '"', 1);
- if(statement->inputs == NULL && statement->outputs == NULL
- && statement->clobbers == NULL)
+ if (statement->outputs == NULL &&
+ statement->inputs == NULL &&
+ statement->clobbers == NULL)
goto end_of_print_asm_statement;
fputs(" : ", out);
- print_asm_arguments(statement->inputs);
- if(statement->outputs == NULL && statement->clobbers == NULL)
+ print_asm_arguments(statement->outputs);
+ if (statement->inputs == NULL && statement->clobbers == NULL)
goto end_of_print_asm_statement;
fputs(" : ", out);
- print_asm_arguments(statement->outputs);
- if(statement->clobbers == NULL)
+ print_asm_arguments(statement->inputs);
+ if (statement->clobbers == NULL)
goto end_of_print_asm_statement;
fputs(" : ", out);
*/
void print_statement(const statement_t *statement)
{
- switch(statement->kind) {
+ switch (statement->kind) {
case STATEMENT_EMPTY:
fputs(";\n", out);
break;
print_leave_statement(&statement->leave);
break;
case STATEMENT_INVALID:
- fprintf(out, "$invalid statement$");
+ fputs("$invalid statement$\n", out);
break;
}
}
if(modifiers & DM_NOALIAS) {
fputs(next, out); next = ", "; fputs("noalias", out);
}
- if(declaration->get_property_sym != NULL || declaration->put_property_sym != NULL) {
- char *comma = "";
- fputs(next, out); next = ", "; fprintf(out, "property(");
- if(declaration->get_property_sym != NULL) {
- fprintf(out, "get=%s", declaration->get_property_sym->string);
- comma = ", ";
+ if(declaration->get_property_sym != NULL || declaration->put_property_sym != NULL) {
+ char *comma = "";
+ fputs(next, out); next = ", "; fputs("property(", out);
+ if(declaration->get_property_sym != NULL) {
+ fprintf(out, "get=%s", declaration->get_property_sym->string);
+ comma = ", ";
}
- if(declaration->put_property_sym != NULL)
- fprintf(out, "%sput=%s", comma, declaration->put_property_sym->string);
+ if(declaration->put_property_sym != NULL)
+ fprintf(out, "%sput=%s", comma, declaration->put_property_sym->string);
fputc(')', out);
}
fputs(") ", out);
if(declaration->type->kind == TYPE_FUNCTION) {
if(declaration->init.statement != NULL) {
fputs("\n", out);
+ print_indent();
print_statement(declaration->init.statement);
return;
}
*/
void print_declaration(const declaration_t *declaration)
{
- if(declaration->namespc != NAMESPACE_NORMAL &&
- declaration->symbol == NULL)
+ if (declaration->namespc != NAMESPACE_NORMAL &&
+ declaration->symbol == NULL)
return;
- switch(declaration->namespc) {
+ 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);
+ if (declaration->init.complete) {
+ 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);
+ if (declaration->init.complete) {
+ 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);
+ if (declaration->init.complete) {
+ fputc(' ', out);
+ print_enum_definition(declaration);
+ }
fputc(';', out);
break;
}
case EXPR_UNARY_CAST: {
type_t *dest = skip_typeref(expression->base.type);
- if (!is_type_pointer(dest) &&
- ! (dest->kind == TYPE_ATOMIC
- && (get_atomic_type_flags(dest->atomic.akind) & ATOMIC_TYPE_FLAG_INTEGER)
- && (get_atomic_type_size(dest->atomic.akind) >= get_atomic_type_size(get_intptr_kind()))))
+ if (!is_type_pointer(dest) && (
+ dest->kind != TYPE_ATOMIC ||
+ !(get_atomic_type_flags(dest->atomic.akind) & ATOMIC_TYPE_FLAG_INTEGER) ||
+ (get_atomic_type_size(dest->atomic.akind) < get_atomic_type_size(get_intptr_kind())
+ )))
return false;
return (is_constant_expression(expression->unary.value)
if(is_type_array(type)) {
return is_object_with_linker_constant_address(expression);
}
+ /* Prevent stray errors */
+ if (!is_type_valid(type))
+ return true;
return false;
}
+ case EXPR_ARRAY_ACCESS: {
+ type_t *const type =
+ skip_typeref(revert_automatic_type_conversion(expression));
+ return
+ is_type_array(type) &&
+ is_constant_expression(expression->array_access.index) &&
+ is_address_constant(expression->array_access.array_ref);
+ }
+
default:
return false;
}
return true;
switch (expression->kind) {
- case EXPR_SELECT:
- return is_constant_pointer(expression->select.compound);
case EXPR_UNARY_CAST:
return is_constant_pointer(expression->unary.value);
default:
return is_object_with_constant_address(compound);
}
}
- case EXPR_ARRAY_ACCESS:
- return is_constant_pointer(expression->array_access.array_ref)
- && is_constant_expression(expression->array_access.index);
+
+ case EXPR_ARRAY_ACCESS: {
+ array_access_expression_t const* const array_access =
+ &expression->array_access;
+ return
+ is_constant_expression(array_access->index) && (
+ is_object_with_constant_address(array_access->array_ref) ||
+ is_constant_pointer(array_access->array_ref)
+ );
+ }
+
case EXPR_UNARY_DEREFERENCE:
return is_constant_pointer(expression->unary.value);
default:
bool is_constant_expression(const expression_t *expression)
{
- switch(expression->kind) {
+ switch (expression->kind) {
case EXPR_CONST:
case EXPR_CHARACTER_CONSTANT:
case EXPR_OFFSETOF:
case EXPR_ALIGNOF:
case EXPR_BUILTIN_CONSTANT_P:
+ case EXPR_LABEL_ADDRESS:
return true;
case EXPR_SIZEOF: {
case EXPR_BINARY_BITWISE_XOR_ASSIGN:
case EXPR_BINARY_BITWISE_OR_ASSIGN:
case EXPR_BINARY_COMMA:
+ case EXPR_ARRAY_ACCESS:
return false;
case EXPR_UNARY_TAKE_ADDRESS:
return is_constant_expression(expression->conditional.false_expression);
}
- case EXPR_ARRAY_ACCESS:
- return is_constant_expression(expression->array_access.array_ref)
- && is_constant_expression(expression->array_access.index);
-
case EXPR_REFERENCE: {
declaration_t *declaration = expression->reference.declaration;
if(declaration->storage_class == STORAGE_CLASS_ENUM_ENTRY)
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