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build: doc external symbols (#9)

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This commit is contained in:
Michael McLoughlin
2019-01-05 16:49:51 -08:00
parent f4c5957820
commit 7eb55c9ac5
8 changed files with 1081 additions and 1011 deletions
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29
build/context.go
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@@ -37,13 +37,13 @@ func (c *Context) Package(path string) {
}
pkgs, err := packages.Load(cfg, path)
if err != nil {
c.AddError(err)
c.adderror(err)
return
}
pkg := pkgs[0]
if len(pkg.Errors) > 0 {
for _, err := range pkg.Errors {
c.AddError(err)
c.adderror(err)
}
return
}
@@ -54,7 +54,7 @@ func (c *Context) Package(path string) {
func (c *Context) Constraints(t buildtags.ConstraintsConvertable) {
cs := t.ToConstraints()
if err := cs.Validate(); err != nil {
c.AddError(err)
c.adderror(err)
return
}
c.file.Constraints = cs
@@ -65,14 +65,14 @@ func (c *Context) Constraint(t buildtags.ConstraintConvertable) {
c.Constraints(append(c.file.Constraints, t.ToConstraint()))
}
// Constraint appends a constraint to the file's build constraints. The
// ConstraintExpr appends a constraint to the file's build constraints. The
// constraint to add is parsed from the given expression. The expression should
// look the same as the content following "// +build " in regular build
// constraint comments.
func (c *Context) ConstraintExpr(expr string) {
constraint, err := buildtags.ParseConstraint(expr)
if err != nil {
c.AddError(err)
c.adderror(err)
return
}
c.Constraint(constraint)
@@ -103,7 +103,7 @@ func (c *Context) Signature(s *gotypes.Signature) {
func (c *Context) SignatureExpr(expr string) {
s, err := gotypes.ParseSignatureInPackage(c.types(), expr)
if err != nil {
c.AddError(err)
c.adderror(err)
return
}
c.Signature(s)
@@ -134,7 +134,7 @@ func (c *Context) Label(l avo.Label) {
func (c *Context) activefunc() *avo.Function {
if c.function == nil {
c.AddErrorMessage("no active function")
c.adderrormessage("no active function")
return avo.NewFunction("")
}
return c.function
@@ -142,43 +142,48 @@ func (c *Context) activefunc() *avo.Function {
//go:generate avogen -output zinstructions.go build
// StaticGlobal adds a new static data section to the file and returns a pointer to it.
func (c *Context) StaticGlobal(name string) operand.Mem {
c.global = avo.NewStaticGlobal(name)
c.file.AddSection(c.global)
return c.global.Base()
}
// DataAttributes sets the attributes on the current active global data section.
func (c *Context) DataAttributes(a avo.Attribute) {
c.activeglobal().Attributes = a
}
// AddDatum adds constant v at offset to the current active global data section.
func (c *Context) AddDatum(offset int, v operand.Constant) {
if err := c.activeglobal().AddDatum(avo.NewDatum(offset, v)); err != nil {
c.AddError(err)
c.adderror(err)
}
}
// AppendDatum appends a constant to the current active global data section.
func (c *Context) AppendDatum(v operand.Constant) {
c.activeglobal().Append(v)
}
func (c *Context) activeglobal() *avo.Global {
if c.global == nil {
c.AddErrorMessage("no active global")
c.adderrormessage("no active global")
return avo.NewStaticGlobal("")
}
return c.global
}
func (c *Context) AddError(err error) {
func (c *Context) adderror(err error) {
e := exterr(err)
c.errs = append(c.errs, e)
}
func (c *Context) AddErrorMessage(msg string) {
c.AddError(errors.New(msg))
func (c *Context) adderrormessage(msg string) {
c.adderror(errors.New(msg))
}
// Result returns the built file and any accumulated errors.
func (c *Context) Result() (*avo.File, []error) {
return c.file, c.errs
}