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Turned a few member functions into const, esp. dumpAst(), dumpVlog().

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This commit is contained in:
Udi Finkelstein 2017-09-30 07:37:38 +03:00
parent c5b204d8d2
commit eb40278a16
2 changed files with 14 additions and 14 deletions
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14
frontends/ast/ast.cc
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@ -212,7 +212,7 @@ AstNode::AstNode(AstNodeType type, AstNode *child1, AstNode *child2, AstNode *ch
} }
// create a (deep recursive) copy of a node // create a (deep recursive) copy of a node
AstNode *AstNode::clone() AstNode *AstNode::clone() const
{ {
AstNode *that = new AstNode; AstNode *that = new AstNode;
*that = *this; *that = *this;
@ -224,7 +224,7 @@ AstNode *AstNode::clone()
} }
// create a (deep recursive) copy of a node use 'other' as target root node // create a (deep recursive) copy of a node use 'other' as target root node
void AstNode::cloneInto(AstNode *other) void AstNode::cloneInto(AstNode *other) const
{ {
AstNode *tmp = clone(); AstNode *tmp = clone();
other->delete_children(); other->delete_children();
@ -254,7 +254,7 @@ AstNode::~AstNode()
// create a nice text representation of the node // create a nice text representation of the node
// (traverse tree by recursion, use 'other' pointer for diffing two AST trees) // (traverse tree by recursion, use 'other' pointer for diffing two AST trees)
void AstNode::dumpAst(FILE *f, std::string indent) void AstNode::dumpAst(FILE *f, std::string indent) const
{ {
if (f == NULL) { if (f == NULL) {
for (auto f : log_files) for (auto f : log_files)
@ -333,7 +333,7 @@ static std::string id2vl(std::string txt)
} }
// dump AST node as Verilog pseudo-code // dump AST node as Verilog pseudo-code
void AstNode::dumpVlog(FILE *f, std::string indent) void AstNode::dumpVlog(FILE *f, std::string indent) const
{ {
bool first = true; bool first = true;
std::string txt; std::string txt;
@ -755,7 +755,7 @@ AstNode *AstNode::mkconst_str(const std::string &str)
return node; return node;
} }
bool AstNode::bits_only_01() bool AstNode::bits_only_01() const
{ {
for (auto bit : bits) for (auto bit : bits)
if (bit != RTLIL::S0 && bit != RTLIL::S1) if (bit != RTLIL::S0 && bit != RTLIL::S1)
@ -806,7 +806,7 @@ RTLIL::Const AstNode::asParaConst()
return val; return val;
} }
bool AstNode::asBool() bool AstNode::asBool() const
{ {
log_assert(type == AST_CONSTANT); log_assert(type == AST_CONSTANT);
for (auto &bit : bits) for (auto &bit : bits)
@ -815,7 +815,7 @@ bool AstNode::asBool()
return false; return false;
} }
int AstNode::isConst() int AstNode::isConst() const
{ {
if (type == AST_CONSTANT) if (type == AST_CONSTANT)
return 1; return 1;

14
frontends/ast/ast.h
View file

@ -190,8 +190,8 @@ namespace AST
// creating and deleting nodes // creating and deleting nodes
AstNode(AstNodeType type = AST_NONE, AstNode *child1 = NULL, AstNode *child2 = NULL, AstNode *child3 = NULL); AstNode(AstNodeType type = AST_NONE, AstNode *child1 = NULL, AstNode *child2 = NULL, AstNode *child3 = NULL);
AstNode *clone(); AstNode *clone() const;
void cloneInto(AstNode *other); void cloneInto(AstNode *other) const;
void delete_children(); void delete_children();
~AstNode(); ~AstNode();
@ -234,8 +234,8 @@ namespace AST
AstNode *eval_const_function(AstNode *fcall); AstNode *eval_const_function(AstNode *fcall);
// create a human-readable text representation of the AST (for debugging) // create a human-readable text representation of the AST (for debugging)
void dumpAst(FILE *f, std::string indent); void dumpAst(FILE *f, std::string indent) const;
void dumpVlog(FILE *f, std::string indent); void dumpVlog(FILE *f, std::string indent) const;
// used by genRTLIL() for detecting expression width and sign // used by genRTLIL() for detecting expression width and sign
void detectSignWidthWorker(int &width_hint, bool &sign_hint, bool *found_real = NULL); void detectSignWidthWorker(int &width_hint, bool &sign_hint, bool *found_real = NULL);
@ -264,11 +264,11 @@ namespace AST
RTLIL::Const asAttrConst(); RTLIL::Const asAttrConst();
RTLIL::Const asParaConst(); RTLIL::Const asParaConst();
uint64_t asInt(bool is_signed); uint64_t asInt(bool is_signed);
bool bits_only_01(); bool bits_only_01() const;
bool asBool(); bool asBool() const;
// helper functions for real valued const eval // helper functions for real valued const eval
int isConst(); // return '1' for AST_CONSTANT and '2' for AST_REALVALUE int isConst() const; // return '1' for AST_CONSTANT and '2' for AST_REALVALUE
double asReal(bool is_signed); double asReal(bool is_signed);
RTLIL::Const realAsConst(int width); RTLIL::Const realAsConst(int width);
}; };