X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/64a505ff07b28093bb91a680f8a2c2292327e896..197e361cb64ce8262bbc917fd93a22a0f65db27b:/Output.cpp

diff --git a/Output.cpp b/Output.cpp
index cbd853f..c436b3c 100644
--- a/Output.cpp
+++ b/Output.cpp
@@ -19,12 +19,99 @@
 **/
 /* }}} */
 
-#include "cycript.hpp"
-
+#include <cmath>
+#include <iomanip>
 #include <sstream>
 
 #include "Syntax.hpp"
 
+void CYStringify(std::ostringstream &str, const char *data, size_t size, bool c) {
+    bool single;
+    if (c)
+        single = false;
+    else {
+        unsigned quot(0), apos(0);
+        for (const char *value(data), *end(data + size); value != end; ++value)
+            if (*value == '"')
+                ++quot;
+            else if (*value == '\'')
+                ++apos;
+
+        single = quot > apos;
+    }
+
+    str << (single ? '\'' : '"');
+
+    for (const char *value(data), *end(data + size); value != end; ++value)
+        switch (uint8_t next = *value) {
+            case '\\': str << "\\\\"; break;
+            case '\b': str << "\\b"; break;
+            case '\f': str << "\\f"; break;
+            case '\n': str << "\\n"; break;
+            case '\r': str << "\\r"; break;
+            case '\t': str << "\\t"; break;
+            case '\v': str << "\\v"; break;
+
+            case '"':
+                if (!single)
+                    str << "\\\"";
+                else goto simple;
+            break;
+
+            case '\'':
+                if (single)
+                    str << "\\'";
+                else goto simple;
+            break;
+
+            case '\0':
+                if (value[1] >= '0' && value[1] <= '9')
+                    str << "\\x00";
+                else
+                    str << "\\0";
+            break;
+
+            default:
+                if (next >= 0x20 && next < 0x7f) simple:
+                    str << *value;
+                else {
+                    unsigned levels(1);
+                    if ((next & 0x80) != 0)
+                        while ((next & 0x80 >> ++levels) != 0);
+
+                    unsigned point(next & 0xff >> levels);
+                    while (--levels != 0)
+                        point = point << 6 | uint8_t(*++value) & 0x3f;
+
+                    if (point < 0x100)
+                        str << "\\x" << std::setbase(16) << std::setw(2) << std::setfill('0') << point;
+                    else if (point < 0x10000)
+                        str << "\\u" << std::setbase(16) << std::setw(4) << std::setfill('0') << point;
+                    else {
+                        point -= 0x10000;
+                        str << "\\u" << std::setbase(16) << std::setw(4) << std::setfill('0') << (0xd800 | point >> 0x0a);
+                        str << "\\u" << std::setbase(16) << std::setw(4) << std::setfill('0') << (0xdc00 | point & 0x3ff);
+                    }
+                }
+        }
+
+    str << (single ? '\'' : '"');
+}
+
+void CYNumerify(std::ostringstream &str, double value) {
+    if (std::isinf(value)) {
+        if (value < 0)
+            str << '-';
+        str << "Infinity";
+        return;
+    }
+
+    char string[32];
+    // XXX: I want this to print 1e3 rather than 1000
+    sprintf(string, "%.17g", value);
+    str << string;
+}
+
 void CYOutput::Terminate() {
     operator ()(';');
     mode_ = NoMode;
@@ -239,7 +326,7 @@ void CYCondition::Output(CYOutput &out, CYFlags flags) const {
     test_->Output(out, Precedence() - 1, CYLeft(flags));
     out << ' ' << '?' << ' ';
     if (true_ != NULL)
-        true_->Output(out, CYAssign::Precedence_, CYNoFlags);
+        true_->Output(out, CYAssign::Precedence_, CYNoColon);
     out << ' ' << ':' << ' ';
     false_->Output(out, CYAssign::Precedence_, CYRight(flags));
 }
@@ -253,10 +340,12 @@ void CYContinue::Output(CYOutput &out, CYFlags flags) const {
 
 void CYClause::Output(CYOutput &out) const {
     out << '\t';
-    if (value_ != NULL)
-        out << "case" << ' ' << *value_;
-    else
+    if (value_ == NULL)
         out << "default";
+    else {
+        out << "case" << ' ';
+        value_->Output(out, CYNoColon);
+    }
     out << ':' << '\n';
     ++out.indent_;
     out << code_;
@@ -364,7 +453,8 @@ void CYExpression::Output(CYOutput &out, int precedence, CYFlags flags) const {
 }
 
 void CYExternal::Output(CYOutput &out, CYFlags flags) const {
-    out << "extern" << abi_ << typed_ << ';';
+    out << "extern" << abi_ << typed_;
+    out.Terminate();
 }
 
 void CYFatArrow::Output(CYOutput &out, CYFlags flags) const {
@@ -519,6 +609,10 @@ void CYImport::Output(CYOutput &out, CYFlags flags) const {
     out << "@import";
 }
 
+void CYImportDeclaration::Output(CYOutput &out, CYFlags flags) const {
+    _assert(false);
+}
+
 void CYIndirect::Output(CYOutput &out, CYFlags flags) const {
     out << "*";
     rhs_->Output(out, Precedence(), CYRight(flags));
@@ -585,7 +679,13 @@ void CYTypeConstant::Output(CYOutput &out, CYIdentifier *identifier) const {
 
 void CYTypeFunctionWith::Output(CYOutput &out, CYIdentifier *identifier) const {
     next_->Output(out, Precedence(), identifier);
-    out << '(' << parameters_ << ')';
+    out << '(' << parameters_;
+    if (variadic_) {
+        if (parameters_ != NULL)
+            out << ',' << ' ';
+        out << "...";
+    }
+    out << ')';
 }
 
 void CYTypePointerTo::Output(CYOutput &out, CYIdentifier *identifier) const {
@@ -638,6 +738,7 @@ void CYLambda::Output(CYOutput &out, CYFlags flags) const {
 
 void CYTypeDefinition::Output(CYOutput &out, CYFlags flags) const {
     out << "typedef" << ' ' << *typed_;
+    out.Terminate();
 }
 
 void CYTypeExpression::Output(CYOutput &out, CYFlags flags) const {
@@ -755,6 +856,14 @@ void CYRegEx::Output(CYOutput &out, CYFlags flags) const {
     out << Value();
 }
 
+void CYResolveMember::Output(CYOutput &out, CYFlags flags) const {
+    object_->Output(out, Precedence(), CYLeft(flags));
+    if (const char *word = property_->Word())
+        out << "::" << word;
+    else
+        out << "::" << '[' << *property_ << ']';
+}
+
 void CYReturn::Output(CYOutput &out, CYFlags flags) const {
     out << "return";
     if (value_ != NULL)
@@ -858,6 +967,22 @@ const char *CYString::Word() const {
     return value;
 }
 
+void CYStructDefinition::Output(CYOutput &out, CYFlags flags) const {
+    out << "struct" << ' ' << *name_ << *tail_;
+}
+
+void CYStructTail::Output(CYOutput &out) const {
+    out << ' ' << '{' << '\n';
+    ++out.indent_;
+    CYForEach (field, fields_) {
+        out << '\t' << *field->typed_;
+        out.Terminate();
+        out << '\n';
+    }
+    --out.indent_;
+    out << '}';
+}
+
 void CYSuperAccess::Output(CYOutput &out, CYFlags flags) const {
     out << "super";
     if (const char *word = property_->Word())
@@ -878,6 +1003,15 @@ void CYSwitch::Output(CYOutput &out, CYFlags flags) const {
     out << '\t' << '}';
 }
 
+void CYSymbol::Output(CYOutput &out, CYFlags flags) const {
+    bool protect((flags & CYNoColon) != 0);
+    if (protect)
+        out << '(';
+    out << ':' << name_;
+    if (protect)
+        out << ')';
+}
+
 void CYThis::Output(CYOutput &out, CYFlags flags) const {
     out << "this";
 }
@@ -904,24 +1038,42 @@ void Try::Output(CYOutput &out, CYFlags flags) const {
 
 } }
 
-void CYTypeError::Output(CYOutput &out) const {
-    out << "@error";
+void CYTypeCharacter::Output(CYOutput &out) const {
+    switch (signing_) {
+        case CYTypeNeutral: break;
+        case CYTypeSigned: out << "signed" << ' '; break;
+        case CYTypeUnsigned: out << "unsigned" << ' '; break;
+    }
+
+    out << "char";
 }
 
-void CYTypeLong::Output(CYOutput &out) const {
-    out << "long" << specifier_;
+void CYTypeError::Output(CYOutput &out) const {
+    out << "@error";
 }
 
-void CYTypeShort::Output(CYOutput &out) const {
-    out << "short" << specifier_;
+void CYTypeIntegral::Output(CYOutput &out) const {
+    if (signing_ == CYTypeUnsigned)
+        out << "unsigned" << ' ';
+    switch (length_) {
+        case 0: out << "short"; break;
+        case 1: out << "int"; break;
+        case 2: out << "long"; break;
+        case 3: out << "long" << ' ' << "long"; break;
+        default: _assert(false);
+    }
 }
 
-void CYTypeSigned::Output(CYOutput &out) const {
-    out << "signed" << specifier_;
+void CYTypeStruct::Output(CYOutput &out) const {
+    out << "struct";
+    if (name_ != NULL)
+        out << ' ' << *name_;
+    else
+        out << *tail_;
 }
 
-void CYTypeUnsigned::Output(CYOutput &out) const {
-    out << "unsigned" << specifier_;
+void CYTypeReference::Output(CYOutput &out) const {
+    out << "struct" << ' ' << *name_;
 }
 
 void CYTypeVariable::Output(CYOutput &out) const {