From b699a36444a03a6f7b312e805de31395a2d2ff9c Mon Sep 17 00:00:00 2001
From: jsmall-nvidia <jsmall@nvidia.com>
Date: Wed, 2 Jun 2021 12:58:08 -0400
Subject: JSONBuilder (#1865)

* #include an absolute path didn't work - because paths were taken to always be relative.

* WIP JSONWriter/JSONParser.

* Checking different Layout styles for JSON.

* Add slang-json-parser.h/.cpp

* WIP JSONValue.

* Added JSONValue::destroy/Recursive.

* Improvement to JSONValue.

* Improve text double conversion precision. Testing.

* Simplify double parsing (just use atof).
JSON comparison
More testing of conversions and start of JSONValue.

* Add <math.h> for isnan, isinf etc.

* Small improvement with object comparison.

* Fix typo in getArgsByName.

* Removed use of isnan and isinf as includes don't work on linux.

* Improve JSON unit test.

* Added asInteger/asFloat/asBool to JSONValue.

* Add SourceLoc to JSONListener.

* Added ability to walk the JSONValue

* JSONBuilder.

* Add converting from lexemes via JSONBuilder.

* Fix VS warning.

* Fix warning for res not being used.
---
 source/compiler-core/slang-json-parser.h | 48 +++++++++++++++++++++++---------
 1 file changed, 35 insertions(+), 13 deletions(-)

(limited to 'source/compiler-core/slang-json-parser.h')

diff --git a/source/compiler-core/slang-json-parser.h b/source/compiler-core/slang-json-parser.h
index 2e907abb2..96531aee9 100644
--- a/source/compiler-core/slang-json-parser.h
+++ b/source/compiler-core/slang-json-parser.h
@@ -11,18 +11,32 @@ class JSONListener
 {
 public:
         /// Start an object
-    virtual void startObject() = 0;
+    virtual void startObject(SourceLoc loc) = 0;
         /// End an object
-    virtual void endObject() = 0;
+    virtual void endObject(SourceLoc loc) = 0;
         /// Start an array
-    virtual void startArray() = 0;
+    virtual void startArray(SourceLoc loc) = 0;
         /// End and array
-    virtual void endArray() = 0;
+    virtual void endArray(SourceLoc loc) = 0;
 
-        /// Add the key lexeme. Must be followed by addLexemeValue.
-    virtual void addLexemeKey(const UnownedStringSlice& key) = 0;
+
+        /// Add the key. Must be followed by addXXXValue.
+    virtual void addKey(const UnownedStringSlice& key, SourceLoc loc) = 0;
         /// Can be performed in an array or after an addLexemeKey in an object
-    virtual void addLexemeValue(JSONTokenType type, const UnownedStringSlice& value) = 0; 
+    virtual void addLexemeValue(JSONTokenType type, const UnownedStringSlice& value, SourceLoc loc) = 0;
+
+        /// An integer value
+    virtual void addIntegerValue(int64_t value, SourceLoc loc) = 0;
+        /// Add a floating point value
+    virtual void addFloatValue(double value, SourceLoc loc) = 0;
+        /// Add a boolean value
+    virtual void addBoolValue(bool value, SourceLoc loc) = 0;
+
+        /// Add a string value. NOTE! string is unescaped/quoted
+    virtual void addStringValue(const UnownedStringSlice& string, SourceLoc loc) = 0;
+
+        /// Add a null value
+    virtual void addNullValue(SourceLoc loc) = 0;
 };
 
 class JSONWriter : public JSONListener
@@ -75,12 +89,17 @@ public:
     static bool isAfter(Location loc) { return isObjectLike(loc) && (Index(loc) & 2) != 0; }
 
     // Implement JSONListener
-    virtual void startObject() SLANG_OVERRIDE;
-    virtual void endObject() SLANG_OVERRIDE;
-    virtual void startArray() SLANG_OVERRIDE;
-    virtual void endArray() SLANG_OVERRIDE;
-    virtual void addLexemeKey(const UnownedStringSlice& key) SLANG_OVERRIDE;
-    virtual void addLexemeValue(JSONTokenType type, const UnownedStringSlice& value) SLANG_OVERRIDE;
+    virtual void startObject(SourceLoc loc) SLANG_OVERRIDE;
+    virtual void endObject(SourceLoc loc) SLANG_OVERRIDE;
+    virtual void startArray(SourceLoc loc) SLANG_OVERRIDE;
+    virtual void endArray(SourceLoc loc) SLANG_OVERRIDE;
+    virtual void addKey(const UnownedStringSlice& key, SourceLoc loc) SLANG_OVERRIDE;
+    virtual void addLexemeValue(JSONTokenType type, const UnownedStringSlice& value, SourceLoc loc) SLANG_OVERRIDE;
+    virtual void addIntegerValue(int64_t value, SourceLoc loc) SLANG_OVERRIDE;
+    virtual void addFloatValue(double value, SourceLoc loc) SLANG_OVERRIDE;
+    virtual void addBoolValue(bool value, SourceLoc loc) SLANG_OVERRIDE;
+    virtual void addStringValue(const UnownedStringSlice& string, SourceLoc loc) SLANG_OVERRIDE;
+    virtual void addNullValue(SourceLoc loc) SLANG_OVERRIDE;
 
         /// Get the builder
     StringBuilder& getBuilder() { return m_builder; }
@@ -142,6 +161,9 @@ protected:
     void _maybeEmitComma();
     void _maybeEmitFieldComma();
 
+    void _preValue(SourceLoc loc);
+    void _postValue();
+
     void _indent() { m_currentIndent++; }
     void _dedent() { --m_currentIndent; SLANG_ASSERT(m_currentIndent >= 0); }
 
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