Sasha Koshka
d6c8f57a81
The string builtin was incorrectly described, and StringLiteral.canBePassedAs was checking the type actual instead of the type points in the case of a reducible type.
82 lines
2.3 KiB
Go
82 lines
2.3 KiB
Go
package analyzer
|
|
|
|
import "git.tebibyte.media/arf/arf/types"
|
|
import "git.tebibyte.media/arf/arf/parser"
|
|
import "git.tebibyte.media/arf/arf/infoerr"
|
|
|
|
// DataSection represents a global variable section.
|
|
type DataSection struct {
|
|
sectionBase
|
|
what Type
|
|
argument Argument
|
|
}
|
|
|
|
// ToString returns all data stored within the data section, in string form.
|
|
func (section DataSection) ToString (indent int) (output string) {
|
|
output += doIndent(indent, "dataSection ")
|
|
output += section.permission.ToString() + " "
|
|
output += section.where.ToString()
|
|
output += "\n"
|
|
output += section.what.ToString(indent + 1)
|
|
if section.argument != nil {
|
|
output += section.argument.ToString(indent + 1)
|
|
}
|
|
return
|
|
}
|
|
|
|
// analyzeDataSection analyzes a data section.
|
|
func (analyzer analysisOperation) analyzeDataSection () (
|
|
section Section,
|
|
err error,
|
|
) {
|
|
outputSection := DataSection { }
|
|
outputSection.where = analyzer.currentPosition
|
|
|
|
section = &outputSection
|
|
analyzer.addSection(section)
|
|
|
|
inputSection := analyzer.currentSection.(parser.DataSection)
|
|
outputSection.location = analyzer.currentSection.Location()
|
|
|
|
if inputSection.Permission() == types.PermissionReadWrite {
|
|
err = inputSection.NewError (
|
|
"read-write (rw) permission not understood in this " +
|
|
"context, try read-only (ro)",
|
|
infoerr.ErrorKindError)
|
|
return
|
|
}
|
|
|
|
outputSection.permission = inputSection.Permission()
|
|
|
|
// get inherited type
|
|
outputSection.what, err = analyzer.analyzeType(inputSection.Type())
|
|
if err != nil { return }
|
|
|
|
// data sections are only allowed to inherit type, enum, and face sections
|
|
_, inheritsFromTypeSection := outputSection.what.actual.(*TypeSection)
|
|
_, inheritsFromEnumSection := outputSection.what.actual.(*EnumSection)
|
|
// _, inheritsFromFaceSection := outputSection.what.actual.(*FaceSection)
|
|
if !inheritsFromTypeSection && inheritsFromEnumSection {
|
|
err = inputSection.Type().NewError (
|
|
"type sections can only inherit from type, enum, and " +
|
|
"face sections",
|
|
infoerr.ErrorKindError)
|
|
return
|
|
}
|
|
|
|
if !inputSection.Argument().Nil() {
|
|
outputSection.argument,
|
|
err = analyzer.analyzeArgument(inputSection.Argument())
|
|
if err != nil { return }
|
|
|
|
// type check default value
|
|
err = analyzer.typeCheck (
|
|
outputSection.argument,
|
|
outputSection.what)
|
|
if err != nil { return }
|
|
}
|
|
|
|
outputSection.complete = true
|
|
return
|
|
}
|