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authorPavel Pisa <pisa@cmp.felk.cvut.cz>2019-07-17 18:14:37 +0200
committerPavel Pisa <pisa@cmp.felk.cvut.cz>2019-07-17 18:14:37 +0200
commitda53e0174a90636c2a9469ef63b0aaa981f7bae3 (patch)
treeb2791d15906b335b4eaa8312bac9c325b95640e0 /qtmips_asm
parent1d989de07fde1e5bef27336ede1497c88fa9249a (diff)
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Store operator text description in the fixmatheval operators tree.
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Diffstat (limited to 'qtmips_asm')
-rw-r--r--qtmips_asm/fixmatheval.cpp18
-rw-r--r--qtmips_asm/fixmatheval.h8
2 files changed, 17 insertions, 9 deletions
diff --git a/qtmips_asm/fixmatheval.cpp b/qtmips_asm/fixmatheval.cpp
index 8852938..eb7ec3f 100644
--- a/qtmips_asm/fixmatheval.cpp
+++ b/qtmips_asm/fixmatheval.cpp
@@ -110,10 +110,11 @@ QString FmeNodeSymbol::dump() {
return name;
}
-FmeNodeUnaryOp::FmeNodeUnaryOp(int priority, FmeValue (*op)(FmeValue &a)) :
- FmeNode(priority) {
+FmeNodeUnaryOp::FmeNodeUnaryOp(int priority, FmeValue (*op)(FmeValue &a),
+ QString description) : FmeNode(priority) {
this->operand_a = nullptr;
this->op = op;
+ this->description = description;
}
FmeNodeUnaryOp::~FmeNodeUnaryOp() {
@@ -141,14 +142,15 @@ bool FmeNodeUnaryOp::insert(FmeNode *node) {
}
QString FmeNodeUnaryOp::dump() {
- return "(OP " + (operand_a? operand_a->dump(): "nullptr") + ")";
+ return "(" + description + " " + (operand_a? operand_a->dump(): "nullptr") + ")";
}
FmeNodeBinaryOp::FmeNodeBinaryOp(int priority, FmeValue (*op)(FmeValue &a, FmeValue &b),
- FmeNode *left) : FmeNode(priority) {
+ FmeNode *left, QString description) : FmeNode(priority) {
this->operand_a = left;
this->operand_b = nullptr;
this->op = op;
+ this->description = description;
}
FmeNodeBinaryOp::~FmeNodeBinaryOp() {
@@ -179,7 +181,7 @@ bool FmeNodeBinaryOp::insert(FmeNode *node) {
QString FmeNodeBinaryOp::dump() {
return "(" + (operand_a? operand_a->dump(): "nullptr") +
- " OP " + (operand_b? operand_b->dump(): "nullptr") + ")";
+ " " + description + " " + (operand_b? operand_b->dump(): "nullptr") + ")";
}
FmeExpression::FmeExpression() : FmeNode(0) {
@@ -195,6 +197,7 @@ bool FmeExpression::parse(const QString &expression, QString &error) {
int word_start = 0;
bool in_word = false;
bool is_unary = true;
+ QString optxtx;
for (i = 0; true; i++) {
QChar ch = 0;
if (i < expression.size())
@@ -232,6 +235,7 @@ bool FmeExpression::parse(const QString &expression, QString &error) {
FmeValue (*unary_op)(FmeValue &a) = nullptr;
int prio = base_prio;
+ optxtx = ch;
if (ch == '~') {
prio += 90;
unary_op = [](FmeValue &a) -> FmeValue { return ~a; };
@@ -285,10 +289,10 @@ bool FmeExpression::parse(const QString &expression, QString &error) {
break;
}
if (binary_op != nullptr) {
- ok = node->insert(new FmeNodeBinaryOp(prio, binary_op, child));
+ ok = node->insert(new FmeNodeBinaryOp(prio, binary_op, child, optxtx));
is_unary = true;
} else {
- ok = node->insert(new FmeNodeUnaryOp(prio, unary_op));
+ ok = node->insert(new FmeNodeUnaryOp(prio, unary_op, optxtx));
}
if (!ok) {
error = QString("parse stuck at \"%1\"").arg(QString(ch));
diff --git a/qtmips_asm/fixmatheval.h b/qtmips_asm/fixmatheval.h
index 3312bfa..9d560ab 100644
--- a/qtmips_asm/fixmatheval.h
+++ b/qtmips_asm/fixmatheval.h
@@ -83,7 +83,8 @@ private:
class FmeNodeUnaryOp : public FmeNode {
public:
- FmeNodeUnaryOp(int priority, FmeValue (*op)(FmeValue &a));
+ FmeNodeUnaryOp(int priority, FmeValue (*op)(FmeValue &a),
+ QString description = "??");
virtual ~FmeNodeUnaryOp();
virtual bool eval(FmeValue &value, FmeSymbolDb *symdb, QString &error) override;
virtual bool insert(FmeNode *node) override;
@@ -92,11 +93,13 @@ public:
private:
FmeValue (*op)(FmeValue &a);
FmeNode *operand_a;
+ QString description;
};
class FmeNodeBinaryOp : public FmeNode {
public:
- FmeNodeBinaryOp(int priority, FmeValue (*op)(FmeValue &a, FmeValue &b), FmeNode *left);
+ FmeNodeBinaryOp(int priority, FmeValue (*op)(FmeValue &a, FmeValue &b), FmeNode *left,
+ QString description = "??");
virtual ~FmeNodeBinaryOp();
virtual bool eval(FmeValue &value, FmeSymbolDb *symdb, QString &error) override;
virtual bool insert(FmeNode *node) override;
@@ -106,6 +109,7 @@ private:
FmeValue (*op)(FmeValue &a, FmeValue &b);
FmeNode *operand_a;
FmeNode *operand_b;
+ QString description;
};
class FmeExpression : public FmeNode {