Rename 'intrinsic' to 'builtin'

This matches the term used in the WGSL spec.

Change-Id: I4603332b828450c126ef806f1064ed54f372013f
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/78787
Reviewed-by: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
diff --git a/tools/src/cmd/intrinsic-gen/ast/ast.go b/tools/src/cmd/builtin-gen/ast/ast.go
similarity index 98%
rename from tools/src/cmd/intrinsic-gen/ast/ast.go
rename to tools/src/cmd/builtin-gen/ast/ast.go
index 8d1da0e..e67530b 100644
--- a/tools/src/cmd/intrinsic-gen/ast/ast.go
+++ b/tools/src/cmd/builtin-gen/ast/ast.go
@@ -20,7 +20,7 @@
 	"fmt"
 	"strings"
 
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/tok"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/tok"
 )
 
 // AST is the parsed syntax tree of the intrinsic definition file
diff --git a/tools/src/cmd/intrinsic-gen/gen/intrinsic_table.go b/tools/src/cmd/builtin-gen/gen/builtin_table.go
similarity index 87%
rename from tools/src/cmd/intrinsic-gen/gen/intrinsic_table.go
rename to tools/src/cmd/builtin-gen/gen/builtin_table.go
index 821b1d6..dcd7a5f 100644
--- a/tools/src/cmd/intrinsic-gen/gen/intrinsic_table.go
+++ b/tools/src/cmd/builtin-gen/gen/builtin_table.go
@@ -17,13 +17,13 @@
 import (
 	"fmt"
 
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/sem"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/sem"
 	"dawn.googlesource.com/tint/tools/src/list"
 	"dawn.googlesource.com/tint/tools/src/lut"
 )
 
-// IntrinsicTable holds data specific to the intrinsic_table.inl.tmpl template
-type IntrinsicTable struct {
+// BuiltinTable holds data specific to the intrinsic_table.inl.tmpl template
+type BuiltinTable struct {
 	// The semantic info
 	Sem *sem.Sem
 
@@ -42,7 +42,7 @@
 	OpenNumbers    []OpenNumber // kOpenNumbers table content
 	Parameters     []Parameter  // kParameters table content
 	Overloads      []Overload   // kOverloads table content
-	Functions      []Function   // kIntrinsics table content
+	Functions      []Function   // kBuiltins table content
 }
 
 // OpenType is used to create the C++ OpenTypeInfo structure
@@ -68,9 +68,9 @@
 	// The parameter usage (parameter name)
 	Usage string
 
-	// Index into IntrinsicTable.MatcherIndices, beginning the list of matchers
+	// Index into BuiltinTable.MatcherIndices, beginning the list of matchers
 	// required to match the parameter type. The matcher indices index
-	// into IntrinsicTable::TMatchers and / or IntrinsicTable::NMatchers.
+	// into BuiltinTable::TMatchers and / or BuiltinTable::NMatchers.
 	// These indices are consumed by the matchers themselves.
 	// The first index is always a TypeMatcher.
 	MatcherIndicesOffset *int
@@ -84,15 +84,15 @@
 	NumOpenTypes int
 	// Total number of open numbers for the overload
 	NumOpenNumbers int
-	// Index to the first open type in IntrinsicTable.OpenTypes
+	// Index to the first open type in BuiltinTable.OpenTypes
 	OpenTypesOffset *int
-	// Index to the first open number in IntrinsicTable.OpenNumbers
+	// Index to the first open number in BuiltinTable.OpenNumbers
 	OpenNumbersOffset *int
-	// Index to the first parameter in IntrinsicTable.Parameters
+	// Index to the first parameter in BuiltinTable.Parameters
 	ParametersOffset *int
-	// Index into IntrinsicTable.MatcherIndices, beginning the list of matchers
+	// Index into BuiltinTable.MatcherIndices, beginning the list of matchers
 	// required to match the return type. The matcher indices index
-	// into IntrinsicTable::TMatchers and / or IntrinsicTable::NMatchers.
+	// into BuiltinTable::TMatchers and / or BuiltinTable::NMatchers.
 	// These indices are consumed by the matchers themselves.
 	// The first index is always a TypeMatcher.
 	ReturnMatcherIndicesOffset *int
@@ -109,10 +109,10 @@
 	OverloadsOffset      *int
 }
 
-// Helper for building the IntrinsicTable
-type intrinsicTableBuilder struct {
+// Helper for building the BuiltinTable
+type BuiltinTableBuilder struct {
 	// The output of the builder
-	IntrinsicTable
+	BuiltinTable
 
 	// Lookup tables.
 	// These are packed (compressed) once all the entries have been added.
@@ -127,7 +127,7 @@
 
 // Helper for building a single overload
 type overloadBuilder struct {
-	*intrinsicTableBuilder
+	*BuiltinTableBuilder
 	// Maps TemplateParam to index in openTypes
 	openTypeIndex map[sem.TemplateParam]int
 	// Maps TemplateParam to index in openNumbers
@@ -138,9 +138,9 @@
 	openNumbers []OpenNumber
 	// All parameters declared by the overload
 	parameters []Parameter
-	// Index into IntrinsicTable.MatcherIndices, beginning the list of matchers
+	// Index into BuiltinTable.MatcherIndices, beginning the list of matchers
 	// required to match the return type. The matcher indices index
-	// into IntrinsicTable::TMatchers and / or IntrinsicTable::NMatchers.
+	// into BuiltinTable::TMatchers and / or BuiltinTable::NMatchers.
 	// These indices are consumed by the matchers themselves.
 	// The first index is always a TypeMatcher.
 	returnTypeMatcherIndicesOffset *int
@@ -148,7 +148,7 @@
 
 // layoutMatchers assigns each of the TMatchers and NMatchers a unique index
 // in the C++ Matchers::type and Matchers::number arrays, respectively.
-func (b *intrinsicTableBuilder) layoutMatchers(s *sem.Sem) {
+func (b *BuiltinTableBuilder) layoutMatchers(s *sem.Sem) {
 	// First MaxOpenTypes of TMatchers are open types
 	b.TMatchers = make([]sem.Named, s.MaxOpenTypes)
 	for _, m := range s.Types {
@@ -169,11 +169,11 @@
 }
 
 // buildOverload constructs an Overload for a sem.Overload
-func (b *intrinsicTableBuilder) buildOverload(o *sem.Overload) (Overload, error) {
+func (b *BuiltinTableBuilder) buildOverload(o *sem.Overload) (Overload, error) {
 	ob := overloadBuilder{
-		intrinsicTableBuilder: b,
-		openTypeIndex:         map[sem.TemplateParam]int{},
-		openNumberIndex:       map[sem.TemplateParam]int{},
+		BuiltinTableBuilder: b,
+		openTypeIndex:       map[sem.TemplateParam]int{},
+		openNumberIndex:     map[sem.TemplateParam]int{},
 	}
 
 	if err := ob.buildOpenTypes(o); err != nil {
@@ -279,7 +279,7 @@
 }
 
 // matcherIndex returns the index of TMatcher or NMatcher in
-// IntrinsicTable.TMatcher or IntrinsicTable.NMatcher, respectively.
+// BuiltinTable.TMatcher or BuiltinTable.NMatcher, respectively.
 func (b *overloadBuilder) matcherIndex(n sem.Named) (int, error) {
 	switch n := n.(type) {
 	case *sem.Type, *sem.TypeMatcher:
@@ -342,10 +342,10 @@
 	return out, nil
 }
 
-// buildIntrinsicTable builds the IntrinsicTable from the semantic info
-func buildIntrinsicTable(s *sem.Sem) (*IntrinsicTable, error) {
-	b := intrinsicTableBuilder{
-		IntrinsicTable: IntrinsicTable{
+// buildBuiltinTable builds the BuiltinTable from the semantic info
+func buildBuiltinTable(s *sem.Sem) (*BuiltinTable, error) {
+	b := BuiltinTableBuilder{
+		BuiltinTable: BuiltinTable{
 			Sem:           s,
 			TMatcherIndex: map[sem.Named]int{},
 			NMatcherIndex: map[sem.Named]int{},
@@ -383,5 +383,5 @@
 	b.lut.parameters.Compact()
 	b.lut.overloads.Compact()
 
-	return &b.IntrinsicTable, nil
+	return &b.BuiltinTable, nil
 }
diff --git a/tools/src/cmd/intrinsic-gen/gen/generate.go b/tools/src/cmd/builtin-gen/gen/generate.go
similarity index 93%
rename from tools/src/cmd/intrinsic-gen/gen/generate.go
rename to tools/src/cmd/builtin-gen/gen/generate.go
index 34a8257..ad9fd7e 100644
--- a/tools/src/cmd/intrinsic-gen/gen/generate.go
+++ b/tools/src/cmd/builtin-gen/gen/generate.go
@@ -22,15 +22,15 @@
 	"text/template"
 	"unicode"
 
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/sem"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/sem"
 )
 
 type generator struct {
 	s      *sem.Sem
 	t      *template.Template
 	cached struct {
-		intrinsicTable *IntrinsicTable // lazily built by intrinsicTable()
-		permuter       *Permuter       // lazily built by permute()
+		builtinTable *BuiltinTable // lazily built by builtinTable()
+		permuter     *Permuter     // lazily built by permute()
 	}
 }
 
@@ -73,7 +73,7 @@
 		"IsDeclarable":          isDeclarable,
 		"IsFirstIn":             isFirstIn,
 		"IsLastIn":              isLastIn,
-		"IntrinsicTable":        g.intrinsicTable,
+		"BuiltinTable":          g.builtinTable,
 		"Permute":               g.permute,
 		"Eval":                  g.eval,
 		"WriteFile":             func(relpath, content string) (string, error) { return "", writeFile(relpath, content) },
@@ -121,17 +121,17 @@
 	return sb.String(), nil
 }
 
-// intrinsicTable lazily calls and returns the result of buildIntrinsicTable(),
+// builtinTable lazily calls and returns the result of buildBuiltinTable(),
 // caching the result for repeated calls.
-func (g *generator) intrinsicTable() (*IntrinsicTable, error) {
-	if g.cached.intrinsicTable == nil {
+func (g *generator) builtinTable() (*BuiltinTable, error) {
+	if g.cached.builtinTable == nil {
 		var err error
-		g.cached.intrinsicTable, err = buildIntrinsicTable(g.s)
+		g.cached.builtinTable, err = buildBuiltinTable(g.s)
 		if err != nil {
 			return nil, err
 		}
 	}
-	return g.cached.intrinsicTable, nil
+	return g.cached.builtinTable, nil
 }
 
 // permute lazily calls buildPermuter(), caching the result for repeated
diff --git a/tools/src/cmd/intrinsic-gen/gen/permutate.go b/tools/src/cmd/builtin-gen/gen/permutate.go
similarity index 99%
rename from tools/src/cmd/intrinsic-gen/gen/permutate.go
rename to tools/src/cmd/builtin-gen/gen/permutate.go
index 61fda1a..814fcbc 100644
--- a/tools/src/cmd/intrinsic-gen/gen/permutate.go
+++ b/tools/src/cmd/builtin-gen/gen/permutate.go
@@ -20,7 +20,7 @@
 	"fmt"
 	"strings"
 
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/sem"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/sem"
 	"dawn.googlesource.com/tint/tools/src/fileutils"
 )
 
diff --git a/tools/src/cmd/intrinsic-gen/lexer/lexer.go b/tools/src/cmd/builtin-gen/lexer/lexer.go
similarity index 98%
rename from tools/src/cmd/intrinsic-gen/lexer/lexer.go
rename to tools/src/cmd/builtin-gen/lexer/lexer.go
index 1f25aea..fa50b22 100644
--- a/tools/src/cmd/intrinsic-gen/lexer/lexer.go
+++ b/tools/src/cmd/builtin-gen/lexer/lexer.go
@@ -20,7 +20,7 @@
 	"fmt"
 	"unicode"
 
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/tok"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/tok"
 )
 
 // Lex produces a list of tokens for the given source code
diff --git a/tools/src/cmd/intrinsic-gen/lexer/lexer_test.go b/tools/src/cmd/builtin-gen/lexer/lexer_test.go
similarity index 97%
rename from tools/src/cmd/intrinsic-gen/lexer/lexer_test.go
rename to tools/src/cmd/builtin-gen/lexer/lexer_test.go
index d0ec922..940163d 100644
--- a/tools/src/cmd/intrinsic-gen/lexer/lexer_test.go
+++ b/tools/src/cmd/builtin-gen/lexer/lexer_test.go
@@ -18,8 +18,8 @@
 	"fmt"
 	"testing"
 
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/lexer"
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/tok"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/lexer"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/tok"
 )
 
 func TestLexTokens(t *testing.T) {
diff --git a/tools/src/cmd/intrinsic-gen/main.go b/tools/src/cmd/builtin-gen/main.go
similarity index 88%
rename from tools/src/cmd/intrinsic-gen/main.go
rename to tools/src/cmd/builtin-gen/main.go
index 0a55fdd..d126cf9 100644
--- a/tools/src/cmd/intrinsic-gen/main.go
+++ b/tools/src/cmd/builtin-gen/main.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// intrinsic-gen parses the <tint>/src/intrinsics.def file, then scans the
+// builtin-gen parses the <tint>/src/builtins.def file, then scans the
 // project directory for '<file>.tmpl' files, to produce '<file>' source code
 // files.
 package main
@@ -25,14 +25,14 @@
 	"path/filepath"
 	"strings"
 
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/gen"
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/parser"
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/resolver"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/gen"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/parser"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/resolver"
 	"dawn.googlesource.com/tint/tools/src/fileutils"
 	"dawn.googlesource.com/tint/tools/src/glob"
 )
 
-const defProjectRelPath = "src/intrinsics.def"
+const defProjectRelPath = "src/builtins.def"
 
 func main() {
 	if err := run(); err != nil {
@@ -43,13 +43,13 @@
 
 func showUsage() {
 	fmt.Println(`
-intrinsic-gen generates the intrinsic table for the Tint compiler
+builtin-gen generates the builtin table for the Tint compiler
 
-intrinsic-gen parses the <tint>/src/intrinsics.def file, then scans the project
+builtin-gen parses the <tint>/src/builtins.def file, then scans the project
 directory for '<file>.tmpl' files, to produce '<file>' source code files.
 
 usage:
-  intrinsic-gen
+  builtin-gen
 
 optional flags:`)
 	flag.PrintDefaults()
@@ -58,7 +58,7 @@
 }
 
 func run() error {
-	// Load the intrinsics definition file
+	// Load the builtins definition file
 	projectRoot := fileutils.ProjectRoot()
 	defPath := filepath.Join(projectRoot, defProjectRelPath)
 
@@ -161,10 +161,10 @@
 // limitations under the License.
 
 ////////////////////////////////////////////////////////////////////////////////
-// File generated by tools/intrinsic-gen
+// File generated by tools/builtin-gen
 // using the template:
 //   %v
-// and the intrinsic defintion file:
+// and the builtin defintion file:
 //   %v
 //
 // Do not modify this file directly
diff --git a/tools/src/cmd/intrinsic-gen/parser/parser.go b/tools/src/cmd/builtin-gen/parser/parser.go
similarity index 96%
rename from tools/src/cmd/intrinsic-gen/parser/parser.go
rename to tools/src/cmd/builtin-gen/parser/parser.go
index 4ab3516..4709bca 100644
--- a/tools/src/cmd/intrinsic-gen/parser/parser.go
+++ b/tools/src/cmd/builtin-gen/parser/parser.go
@@ -12,16 +12,16 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Package parser provides a basic parser for the Tint intrinsic definition
+// Package parser provides a basic parser for the Tint builtin definition
 // language
 package parser
 
 import (
 	"fmt"
 
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/ast"
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/lexer"
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/tok"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/ast"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/lexer"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/tok"
 )
 
 // Parse produces a list of tokens for the given source code
diff --git a/tools/src/cmd/intrinsic-gen/parser/parser_test.go b/tools/src/cmd/builtin-gen/parser/parser_test.go
similarity index 97%
rename from tools/src/cmd/intrinsic-gen/parser/parser_test.go
rename to tools/src/cmd/builtin-gen/parser/parser_test.go
index fdc884b..3d229c0 100644
--- a/tools/src/cmd/intrinsic-gen/parser/parser_test.go
+++ b/tools/src/cmd/builtin-gen/parser/parser_test.go
@@ -17,8 +17,8 @@
 import (
 	"testing"
 
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/ast"
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/parser"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/ast"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/parser"
 )
 
 func TestParser(t *testing.T) {
diff --git a/tools/src/cmd/intrinsic-gen/resolver/resolve.go b/tools/src/cmd/builtin-gen/resolver/resolve.go
similarity index 98%
rename from tools/src/cmd/intrinsic-gen/resolver/resolve.go
rename to tools/src/cmd/builtin-gen/resolver/resolve.go
index 951df74..fbd9c9d 100644
--- a/tools/src/cmd/intrinsic-gen/resolver/resolve.go
+++ b/tools/src/cmd/builtin-gen/resolver/resolve.go
@@ -18,9 +18,9 @@
 	"fmt"
 	"sort"
 
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/ast"
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/sem"
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/tok"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/ast"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/sem"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/tok"
 )
 
 type resolver struct {
diff --git a/tools/src/cmd/intrinsic-gen/resolver/resolver_test.go b/tools/src/cmd/builtin-gen/resolver/resolver_test.go
similarity index 97%
rename from tools/src/cmd/intrinsic-gen/resolver/resolver_test.go
rename to tools/src/cmd/builtin-gen/resolver/resolver_test.go
index 944ddb4..11359dd 100644
--- a/tools/src/cmd/intrinsic-gen/resolver/resolver_test.go
+++ b/tools/src/cmd/builtin-gen/resolver/resolver_test.go
@@ -19,8 +19,8 @@
 	"strings"
 	"testing"
 
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/parser"
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/resolver"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/parser"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/resolver"
 )
 
 func TestResolver(t *testing.T) {
diff --git a/tools/src/cmd/intrinsic-gen/sem/sem.go b/tools/src/cmd/builtin-gen/sem/sem.go
similarity index 96%
rename from tools/src/cmd/intrinsic-gen/sem/sem.go
rename to tools/src/cmd/builtin-gen/sem/sem.go
index b1dc485..16a8c3e 100644
--- a/tools/src/cmd/intrinsic-gen/sem/sem.go
+++ b/tools/src/cmd/builtin-gen/sem/sem.go
@@ -17,7 +17,7 @@
 import (
 	"fmt"
 
-	"dawn.googlesource.com/tint/tools/src/cmd/intrinsic-gen/ast"
+	"dawn.googlesource.com/tint/tools/src/cmd/builtin-gen/ast"
 )
 
 // Sem is the root of the semantic tree
@@ -27,9 +27,9 @@
 	TypeMatchers []*TypeMatcher
 	EnumMatchers []*EnumMatcher
 	Functions    []*Function
-	// Maximum number of open-types used across all intrinsics
+	// Maximum number of open-types used across all builtins
 	MaxOpenTypes int
-	// Maximum number of open-numbers used across all intrinsics
+	// Maximum number of open-numbers used across all builtins
 	MaxOpenNumbers int
 	// The alphabetically sorted list of unique parameter names
 	UniqueParameterNames []string
@@ -121,7 +121,7 @@
 	Name string
 }
 
-// Function describes the overloads of an intrinsic function
+// Function describes the overloads of a builtin function
 type Function struct {
 	Name      string
 	Overloads []*Overload
diff --git a/tools/src/cmd/intrinsic-gen/tok/tok.go b/tools/src/cmd/builtin-gen/tok/tok.go
similarity index 100%
rename from tools/src/cmd/intrinsic-gen/tok/tok.go
rename to tools/src/cmd/builtin-gen/tok/tok.go