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config: remove unused files

This commit is contained in:
Mitchell Hashimoto 2015-01-13 10:32:03 -08:00
parent 740c25d4ea
commit 5abbde3ac9
7 changed files with 7 additions and 480 deletions
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2
.gitignore vendored
View File

@ -4,8 +4,6 @@ example.tf
terraform.tfplan
terraform.tfstate
bin/
config/y.go
config/y.output
modules-dev/
pkg/
vendor/

21
Makefile
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@ -2,26 +2,26 @@ TEST?=./...
default: test
bin: config/y.go generate
bin: generate
@sh -c "'$(CURDIR)/scripts/build.sh'"
dev: config/y.go generate
dev: generate
@TF_DEV=1 sh -c "'$(CURDIR)/scripts/build.sh'"
test: config/y.go generate
test: generate
TF_ACC= go test $(TEST) $(TESTARGS) -timeout=10s -parallel=4
testacc: config/y.go generate
testacc: generate
@if [ "$(TEST)" = "./..." ]; then \
echo "ERROR: Set TEST to a specific package"; \
exit 1; \
fi
TF_ACC=1 go test $(TEST) -v $(TESTARGS) -timeout 45m
testrace: config/y.go generate
testrace: generate
TF_ACC= go test -race $(TEST) $(TESTARGS)
updatedeps: config/y.go
updatedeps:
go get -u golang.org/x/tools/cmd/stringer
# Go 1.4 changed the format of `go get` a bit by requiring the
# canonical full path. We work around this and just force.
@ -31,14 +31,7 @@ updatedeps: config/y.go
go get -f -u -v ./...; \
fi
config/y.go: config/expr.y
cd config/ && \
go tool yacc -p "expr" expr.y
clean:
rm config/y.go
generate:
go generate ./...
.PHONY: bin clean default generate test updatedeps
.PHONY: bin default generate test updatedeps

91
config/expr.y
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@ -1,91 +0,0 @@
// This is the yacc input for creating the parser for interpolation
// expressions in Go.
// To build it:
//
// go tool yacc -p "expr" expr.y (produces y.go)
//
%{
package config
import (
"fmt"
)
%}
%union {
expr Interpolation
str string
variable InterpolatedVariable
args []Interpolation
}
%type <args> args
%type <expr> expr
%type <str> string
%type <variable> variable
%token <str> STRING IDENTIFIER
%token <str> COMMA LEFTPAREN RIGHTPAREN
%%
top:
expr
{
exprResult = $1
}
expr:
string
{
$$ = &LiteralInterpolation{Literal: $1}
}
| variable
{
$$ = &VariableInterpolation{Variable: $1}
}
| IDENTIFIER LEFTPAREN args RIGHTPAREN
{
f, ok := Funcs[$1]
if !ok {
exprErrors = append(exprErrors, fmt.Errorf(
"Unknown function: %s", $1))
}
$$ = &FunctionInterpolation{Func: f, Args: $3}
}
args:
{
$$ = nil
}
| args COMMA expr
{
$$ = append($1, $3)
}
| expr
{
$$ = append($$, $1)
}
string:
STRING
{
$$ = $1
}
variable:
IDENTIFIER
{
var err error
$$, err = NewInterpolatedVariable($1)
if err != nil {
exprErrors = append(exprErrors, fmt.Errorf(
"Error parsing variable '%s': %s", $1, err))
}
}
%%

134
config/expr_lex.go
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@ -1,134 +0,0 @@
package config
import (
"bytes"
"fmt"
"log"
"unicode"
"unicode/utf8"
)
// The parser expects the lexer to return 0 on EOF.
const lexEOF = 0
// The parser uses the type <prefix>Lex as a lexer. It must provide
// the methods Lex(*<prefix>SymType) int and Error(string).
type exprLex struct {
Err error
Input string
pos int
width int
}
// The parser calls this method to get each new token.
func (x *exprLex) Lex(yylval *exprSymType) int {
for {
c := x.next()
if c == lexEOF {
return lexEOF
}
// Ignore all whitespace
if unicode.IsSpace(c) {
continue
}
switch c {
case '"':
return x.lexString(yylval)
case ',':
return COMMA
case '(':
return LEFTPAREN
case ')':
return RIGHTPAREN
default:
x.backup()
return x.lexId(yylval)
}
}
}
func (x *exprLex) lexId(yylval *exprSymType) int {
var b bytes.Buffer
for {
c := x.next()
if c == lexEOF {
break
}
// If this isn't a character we want in an ID, return out.
// One day we should make this a regexp.
if c != '_' &&
c != '-' &&
c != '.' &&
c != '*' &&
!unicode.IsLetter(c) &&
!unicode.IsNumber(c) {
x.backup()
break
}
if _, err := b.WriteRune(c); err != nil {
log.Printf("ERR: %s", err)
return lexEOF
}
}
yylval.str = b.String()
return IDENTIFIER
}
func (x *exprLex) lexString(yylval *exprSymType) int {
var b bytes.Buffer
for {
c := x.next()
if c == lexEOF {
break
}
// String end
if c == '"' {
break
}
if _, err := b.WriteRune(c); err != nil {
log.Printf("ERR: %s", err)
return lexEOF
}
}
yylval.str = b.String()
return STRING
}
// Return the next rune for the lexer.
func (x *exprLex) next() rune {
if int(x.pos) >= len(x.Input) {
x.width = 0
return lexEOF
}
r, w := utf8.DecodeRuneInString(x.Input[x.pos:])
x.width = w
x.pos += x.width
return r
}
// peek returns but does not consume the next rune in the input
func (x *exprLex) peek() rune {
r := x.next()
x.backup()
return r
}
// backup steps back one rune. Can only be called once per next.
func (x *exprLex) backup() {
x.pos -= x.width
}
// The parser calls this method on a parse error.
func (x *exprLex) Error(s string) {
x.Err = fmt.Errorf("parse error: %s", s)
}

51
config/expr_lex_test.go
View File

@ -1,51 +0,0 @@
package config
import (
"io/ioutil"
"path/filepath"
"reflect"
"testing"
)
func TestLex(t *testing.T) {
cases := []struct {
Input string
Output []int
}{
{
"concat.hcl",
[]int{IDENTIFIER, LEFTPAREN,
STRING, COMMA, STRING, COMMA, STRING,
RIGHTPAREN, lexEOF},
},
}
for _, tc := range cases {
d, err := ioutil.ReadFile(filepath.Join(
fixtureDir, "interpolations", tc.Input))
if err != nil {
t.Fatalf("err: %s", err)
}
l := &exprLex{Input: string(d)}
var actual []int
for {
token := l.Lex(new(exprSymType))
actual = append(actual, token)
if token == lexEOF {
break
}
if len(actual) > 500 {
t.Fatalf("Input:%s\n\nExausted.", tc.Input)
}
}
if !reflect.DeepEqual(actual, tc.Output) {
t.Fatalf(
"Input: %s\n\nBad: %#v\n\nExpected: %#v",
tc.Input, actual, tc.Output)
}
}
}

40
config/expr_parse.go
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@ -1,40 +0,0 @@
package config
import (
"sync"
"github.com/hashicorp/terraform/helper/multierror"
)
// exprErrors are the errors built up from parsing. These should not
// be accessed directly.
var exprErrors []error
var exprLock sync.Mutex
var exprResult Interpolation
// ExprParse parses the given expression and returns an executable
// Interpolation.
func ExprParse(v string) (Interpolation, error) {
exprLock.Lock()
defer exprLock.Unlock()
exprErrors = nil
exprResult = nil
// Parse
lex := &exprLex{Input: v}
exprParse(lex)
// Build up the errors
var err error
if lex.Err != nil {
err = multierror.ErrorAppend(err, lex.Err)
}
if len(exprErrors) > 0 {
err = multierror.ErrorAppend(err, exprErrors...)
}
if err != nil {
exprResult = nil
}
return exprResult, err
}

148
config/expr_parse_test.go
View File

@ -1,148 +0,0 @@
package config
import (
"reflect"
"testing"
)
func TestExprParse(t *testing.T) {
cases := []struct {
Input string
Result Interpolation
Error bool
}{
{
"foo",
nil,
true,
},
{
`"foo"`,
&LiteralInterpolation{Literal: "foo"},
false,
},
{
"var.foo",
&VariableInterpolation{
Variable: &UserVariable{
Name: "foo",
key: "var.foo",
},
},
false,
},
{
"module.foo.bar",
&VariableInterpolation{
Variable: &ModuleVariable{
Name: "foo",
Field: "bar",
key: "module.foo.bar",
},
},
false,
},
{
"lookup(var.foo, var.bar)",
&FunctionInterpolation{
Func: nil, // Funcs["lookup"]
Args: []Interpolation{
&VariableInterpolation{
Variable: &UserVariable{
Name: "foo",
key: "var.foo",
},
},
&VariableInterpolation{
Variable: &UserVariable{
Name: "bar",
key: "var.bar",
},
},
},
},
false,
},
{
"lookup(var.foo, lookup(var.baz, var.bar))",
&FunctionInterpolation{
Func: nil, // Funcs["lookup"]
Args: []Interpolation{
&VariableInterpolation{
Variable: &UserVariable{
Name: "foo",
key: "var.foo",
},
},
&FunctionInterpolation{
Func: nil, // Funcs["lookup"]
Args: []Interpolation{
&VariableInterpolation{
Variable: &UserVariable{
Name: "baz",
key: "var.baz",
},
},
&VariableInterpolation{
Variable: &UserVariable{
Name: "bar",
key: "var.bar",
},
},
},
},
},
},
false,
},
{
`concat("foo","-","0.0/16")`,
&FunctionInterpolation{
Func: nil, // Funcs["lookup"]
Args: []Interpolation{
&LiteralInterpolation{Literal: "foo"},
&LiteralInterpolation{Literal: "-"},
&LiteralInterpolation{Literal: "0.0/16"},
},
},
false,
},
}
for i, tc := range cases {
actual, err := ExprParse(tc.Input)
if (err != nil) != tc.Error {
t.Fatalf("%d. Error: %s", i, err)
}
// This is jank, but reflect.DeepEqual never has functions
// being the same.
f, ok := actual.(*FunctionInterpolation)
if ok {
fs := make([]*FunctionInterpolation, 1)
fs[0] = f
for len(fs) > 0 {
f := fs[0]
fs = fs[1:]
f.Func = nil
for _, a := range f.Args {
f, ok := a.(*FunctionInterpolation)
if ok {
fs = append(fs, f)
}
}
}
}
if !reflect.DeepEqual(actual, tc.Result) {
t.Fatalf("%d bad: %#v", i, actual)
}
}
}