langserver

package
v13.4.0-beta1+incompat... Latest Latest
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 Go to latest Published: Jan 24, 2019 License: Apache-2.0 Imports: 29 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var BuiltInsWithIrregularArgs = []string{"format", "zip", "package", "join_path"}

BuiltInsWithIrregularArgs is the list of builtin functions which arguments not matching the declared arguments Used in diagnostics.go: diagnoseFuncCall

View Source 
var LocalSrcsArgs = []string{"srcs", "src", "main", "data", "hdrs", "private_hdrs"}

LocalSrcsArgs is the list of arguments within build rules that may yield to local source files

Functions

func EnsureURL 

func EnsureURL(uri lsp.DocumentURI, pathType string) (url lsp.DocumentURI, err error)

EnsureURL ensures that the documentURI is a valid path in the filesystem and a valid 'file://' URI

func ExtractBuildLabel 

func ExtractBuildLabel(str string) string

ExtractBuildLabel extracts build label from a string. Beginning of the buildlabel must have a quote end of the string must not be anything other than quotes or characters

func ExtractLiteral 

func ExtractLiteral(str string) string

ExtractLiteral extra a literal expression such as function name, variable name from a content line

func ExtractStrTail 

func ExtractStrTail(str string) string

ExtractStrTail extracts the string value from a string, **the string value must be at the end of the string passed in**

func GetLineContent 

func GetLineContent(ctx context.Context, uri lsp.DocumentURI, position lsp.Position) ([]string, error)

GetLineContent returns a []string contraining a single string value respective to position.Line

func GetPathFromURL 

func GetPathFromURL(uri lsp.DocumentURI, pathType string) (documentPath string, err error)

GetPathFromURL returns the absolute path of the file which documenURI relates to it also checks if the file path is valid

func GetValType 

func GetValType(valExpr *asp.ValueExpression) string

GetValType returns a string representation of the type a asp.ValueExpression struct

func IsURL 

func IsURL(uri lsp.DocumentURI) bool

IsURL checks if the documentUri passed has 'file://' prefix

func JoinLines 

func JoinLines(text []string, hasEnds bool) string

JoinLines concatenate a slice of string, removes the trailing "\n" if hadEnds is true

func LocalFilesFromURI 

func LocalFilesFromURI(uri lsp.DocumentURI) ([]string, error)

LocalFilesFromURI returns a slices of file path of the files in current directory where the document is

func LooksLikeAttribute 

func LooksLikeAttribute(str string) bool

LooksLikeAttribute returns true if the input string looks like an attribute: "hello".

func LooksLikeCONFIGAttr 

func LooksLikeCONFIGAttr(str string) bool

LooksLikeCONFIGAttr returns true if the input string looks like an attribute of CONFIG object: CONFIG.PLZ_VERSION

func LooksLikeDictAttr 

func LooksLikeDictAttr(str string) bool

LooksLikeDictAttr returns true if the input string looks like an attribute of dict e.g. {"foo": 1, "bar": "baz"}.keys()

func LooksLikeString 

func LooksLikeString(str string) bool

LooksLikeString returns true if the input string looks like a string

func LooksLikeStringAttr 

func LooksLikeStringAttr(str string) bool

LooksLikeStringAttr returns true if the input string looks like an attribute of string: "hello".format()

func NewHandler 

func NewHandler() jsonrpc2.Handler

NewHandler creates a BUILD file language server handler

func PackageLabelFromURI 

func PackageLabelFromURI(uri lsp.DocumentURI) (string, error)

PackageLabelFromURI returns a build label of a package

func ReadFile 

func ReadFile(ctx context.Context, uri lsp.DocumentURI) ([]string, error)

ReadFile takes a DocumentURI and reads the file into a slice of string

func SplitLines 

func SplitLines(content string, keepEnds bool) []string

SplitLines splits a content with \n characters, and returns a slice of string if keepEnds is true, all lines will keep it's original splited character

func StringInSlice 

func StringInSlice(strSlice []string, needle string) bool

StringInSlice checks if an item is in a string slice

func TrimQuotes 

func TrimQuotes(str string) string

TrimQuotes is used to trim the qouted string This is usually used to trim the quoted string in BUILD files, such as a BuildLabel this will also work for string with any extra characters outside of qoutes like so: "//src/core",

Types

type Analyzer 

type Analyzer struct {
	State *core.BuildState

	BuiltIns   map[string]*RuleDef
	Attributes map[string][]*RuleDef
	// contains filtered or unexported fields
}

Analyzer is a wrapper around asp.parser This is being loaded into a handler on initialization

func (*Analyzer) AspStatementFromContent 

func (a *Analyzer) AspStatementFromContent(content string) []*asp.Statement

AspStatementFromContent returns a slice of asp.Statement given content string(usually workSpaceStore.doc.TextInEdit)

func (*Analyzer) AspStatementFromFile 

func (a *Analyzer) AspStatementFromFile(uri lsp.DocumentURI) ([]*asp.Statement, error)

AspStatementFromFile gets all the Asp.Statement from a given BUILD file *reads complete files only*

func (*Analyzer) BuildDefFromLabel 

func (a *Analyzer) BuildDefFromLabel(ctx context.Context, label *core.BuildLabel, path string) (*BuildDef, error)

BuildDefFromLabel returns a BuildDef struct given an *core.BuildLabel and the path of the label

func (*Analyzer) BuildDefsFromPos 

func (a *Analyzer) BuildDefsFromPos(ctx context.Context, uri lsp.DocumentURI, pos lsp.Position) (*BuildDef, error)

BuildDefsFromPos returns the BuildDef object from the position given if it exists

func (*Analyzer) BuildDefsFromStatements 

func (a *Analyzer) BuildDefsFromStatements(ctx context.Context, labelURI lsp.DocumentURI,
	stmts []*asp.Statement) (map[string]*BuildDef, error)

BuildDefsFromStatements takes in the uri of the label, stmts of the build file returns a map of buildDefname : *BuildDef

func (*Analyzer) BuildDefsFromURI 

func (a *Analyzer) BuildDefsFromURI(ctx context.Context, uri lsp.DocumentURI) (map[string]*BuildDef, error)

BuildDefsFromURI returns a map of buildDefname : *BuildDef

func (*Analyzer) BuildFileURIFromPackage 

func (a *Analyzer) BuildFileURIFromPackage(packageDir string) lsp.DocumentURI

BuildFileURIFromPackage takes a relative(to the reporoot) package directory, and returns a build file path

func (*Analyzer) BuildLabelFromAST 

func (a *Analyzer) BuildLabelFromAST(ctx context.Context,
	val interface{}, uri lsp.DocumentURI, pos lsp.Position) *BuildLabel

BuildLabelFromAST returns the BuildLabel object from the AST if it's within the range of the position

func (*Analyzer) BuildLabelFromContentAndPos 

func (a *Analyzer) BuildLabelFromContentAndPos(ctx context.Context,
	content string, uri lsp.DocumentURI, pos lsp.Position) *BuildLabel

BuildLabelFromContentAndPos returns the BuildLabel object from the AST if it's within the range of the position Given the content

func (*Analyzer) BuildLabelFromCoreBuildLabel 

func (a *Analyzer) BuildLabelFromCoreBuildLabel(ctx context.Context, label core.BuildLabel) (buildLabel *BuildLabel, err error)

BuildLabelFromCoreBuildLabel returns a BuildLabel object given a core.BuildLabel

func (*Analyzer) BuildLabelFromString 

func (a *Analyzer) BuildLabelFromString(ctx context.Context,
	currentURI lsp.DocumentURI, labelStr string) (*BuildLabel, error)

BuildLabelFromString returns a BuildLabel object given a label string

func (*Analyzer) CallFromAST 

func (a *Analyzer) CallFromAST(val interface{}, pos lsp.Position) *Call

CallFromAST returns the Call object from the AST if it's within the range of the position

func (*Analyzer) CallFromContentAndPos 

func (a *Analyzer) CallFromContentAndPos(content string, pos lsp.Position) *Call

CallFromContentAndPos returns a Identifier object represents function call, Only returns the not nil object when the Identifier is within the range specified by the position

func (*Analyzer) GetBuildRuleByName 

func (a *Analyzer) GetBuildRuleByName(name string, subincludes map[string]*RuleDef) *RuleDef

GetBuildRuleByName takes the name and subincludes ruleDefs, and return the appropriate ruleDef

func (*Analyzer) GetConfigNames 

func (a *Analyzer) GetConfigNames() []string

GetConfigNames returns a slice of strings config variable names

func (*Analyzer) GetSubinclude 

func (a *Analyzer) GetSubinclude(ctx context.Context, stmts []*asp.Statement, uri lsp.DocumentURI) map[string]*RuleDef

GetSubinclude returns a Subinclude object based on the statement and uri passed in.

func (*Analyzer) IdentsFromContent 

func (a *Analyzer) IdentsFromContent(content string, pos *lsp.Position) chan *Identifier

IdentsFromContent returns a channel of Identifier object

func (*Analyzer) IdentsFromStatement 

func (a *Analyzer) IdentsFromStatement(stmts []*asp.Statement, pos *lsp.Position) chan *Identifier

IdentsFromStatement returns a channel of Identifier object given the slice of statement and position

func (*Analyzer) IsBuildFile 

func (a *Analyzer) IsBuildFile(uri lsp.DocumentURI) bool

IsBuildFile takes a uri path and check if it's a valid build file

func (*Analyzer) RevDepsFromBuildDef 

func (a *Analyzer) RevDepsFromBuildDef(def *BuildDef, uri lsp.DocumentURI) (core.BuildLabels, error)

RevDepsFromBuildDef returns a a slice of core.BuildLabel object represent the reverse dependency of the BuildDef object passed in

func (*Analyzer) RevDepsFromCoreBuildLabel 

func (a *Analyzer) RevDepsFromCoreBuildLabel(label core.BuildLabel, uri lsp.DocumentURI) (core.BuildLabels, error)

RevDepsFromCoreBuildLabel returns a slice of core.BuildLabel object represent the reverse dependency of the core.BuildLabel object passed in

func (*Analyzer) StatementFromPos 

func (a *Analyzer) StatementFromPos(stmts []*asp.Statement, position lsp.Position) *Statement

StatementFromPos returns a Statement struct with either an Identifier or asp.Expression

func (*Analyzer) VariableFromIdent 

func (a *Analyzer) VariableFromIdent(ident *Identifier) *Variable

VariableFromIdent returns Variable object passing in an single Identifier

func (*Analyzer) VariablesFromContent 

func (a *Analyzer) VariablesFromContent(content string, pos *lsp.Position) map[string]Variable

VariablesFromContent returns a map of variable name to Variable objects given string content

func (*Analyzer) VariablesFromStatements 

func (a *Analyzer) VariablesFromStatements(stmts []*asp.Statement, pos *lsp.Position) map[string]Variable

VariablesFromStatements returns a map of variable name to Variable objects given an slice of asp.Statements

func (*Analyzer) VariablesFromURI 

func (a *Analyzer) VariablesFromURI(uri lsp.DocumentURI, pos *lsp.Position) (map[string]Variable, error)

VariablesFromURI returns a map of variable name to Variable objects given an URI

type Argument 

type Argument struct {
	*asp.Argument
	// the definition string when hover over the argument, e.g. src type:list, required:false
	Definition string
	// string representation of the original argument definition
	Repr     string
	Required bool
}

Argument is a wrapper around asp.Argument, this is used to store the argument information for specific rules, and it also tells you if the argument is required

type BuildDef 

type BuildDef struct {
	*Identifier
	BuildDefName string
	// The content of the build definition
	Content    string
	Visibility []string
}

BuildDef is the definition for a build target. often a function call using a specific build rule

type BuildLabel 

type BuildLabel struct {
	*core.BuildLabel
	// Path of the build file
	Path string
	// IdentStatement for the build definition,
	// usually the call to the specific buildrule, such as "go_library()"
	BuildDef *BuildDef
	// The definition of the buildlabel, e.g: BUILD Label: //src/core
	Definition string
	// Reverse Dependency of this build label
	RevDeps core.BuildLabels
}

BuildLabel is a wrapper around core.BuildLabel Including the path of the buildFile

type Call 

type Call struct {
	Arguments []asp.CallArgument
	Name      string
}

Call represent a function call

type Identifier 

type Identifier struct {
	*asp.IdentStatement
	Type   string
	Pos    lsp.Position
	EndPos lsp.Position
}

Identifier is a wrapper around asp.Identifier Including the starting line and the ending line number

type LsHandler 

type LsHandler struct {
	IsServerDown bool
	// contains filtered or unexported fields
}

LsHandler is the main handler struct of the language server handler

func (*LsHandler) Handle 

func (h *LsHandler) Handle(ctx context.Context, conn *jsonrpc2.Conn, req *jsonrpc2.Request) (result interface{}, err error)

Handle function takes care of all the incoming from the client, and returns the correct response

type RuleDef 

type RuleDef struct {
	*asp.FuncDef
	Header string
	ArgMap map[string]*Argument

	// This applies when the FuncDef is a attribute of an object
	Object string
}

RuleDef is a wrapper around asp.FuncDef, it also includes a Header(function definition) And Argument map stores the name and the information of the arguments this rule has

type Statement 

type Statement struct {
	Ident      *Identifier
	Expression *asp.Expression
}

Statement is a simplified version of asp.Statement Here we only care about Idents and Expressions

type Variable 

type Variable struct {
	Name string
	Type string
}

Variable is a representation of a variable assignment in ***More fields can be added in later if needed

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