tint/sem/constant.h: Remove #include to program_builder.h

This pulls in the entire world, and isn't needed from this header.
Remove it. Fix all the places that were transtively depending on
program_builder.h's includes.

Change-Id: I5209dcd387fb47dd6744a3d676997338b8f45473
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/95040
Reviewed-by: dan sinclair <dsinclair@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@chromium.org>

src/tint/sem/call.h

@@ -17,6 +17,7 @@
 
 #include <vector>
 
+#include "src/tint/ast/call_expression.h"
 #include "src/tint/sem/builtin.h"
 #include "src/tint/sem/expression.h"
 

src/tint/sem/constant.h

@@ -20,8 +20,12 @@
 #include <variant>
 #include <vector>
 
-#include "src/tint/program_builder.h"
-#include "src/tint/sem/type.h"
+#include "src/tint/number.h"
+
+// Forward declarations
+namespace tint::sem {
+class Type;
+}
 
 namespace tint::sem {
 

src/tint/sem/index_accessor_expression.cc

@@ -14,6 +14,8 @@
 
 #include "src/tint/sem/index_accessor_expression.h"
 
+#include "src/tint/ast/index_accessor_expression.h"
+
 #include <utility>
 
 TINT_INSTANTIATE_TYPEINFO(tint::sem::IndexAccessorExpression);

src/tint/sem/variable.cc

@@ -17,7 +17,9 @@
 #include <utility>
 
 #include "src/tint/ast/identifier_expression.h"
+#include "src/tint/ast/parameter.h"
 #include "src/tint/ast/variable.h"
+#include "src/tint/sem/pointer.h"
 
 TINT_INSTANTIATE_TYPEINFO(tint::sem::Variable);
 TINT_INSTANTIATE_TYPEINFO(tint::sem::GlobalVariable);

src/tint/sem/variable.h

@@ -27,6 +27,7 @@
 // Forward declarations
 namespace tint::ast {
 class IdentifierExpression;
+class Parameter;
 class Variable;
 }  // namespace tint::ast
 namespace tint::sem {