func (s *PrototypesAdder) Run(ctx *types.Context) error {
debugOutput := ctx.DebugPreprocessor
source := ctx.Source
source = strings.Replace(source, "\r\n", "\n", -1)
source = strings.Replace(source, "\r", "\n", -1)
sourceRows := strings.Split(source, "\n")
firstFunctionLine := ctx.PrototypesLineWhereToInsert
if isFirstFunctionOutsideOfSource(firstFunctionLine, sourceRows) {
return nil
}
insertionLine := firstFunctionLine + ctx.LineOffset - 1
firstFunctionChar := len(strings.Join(sourceRows[:insertionLine], "\n")) + 1
prototypeSection := composePrototypeSection(firstFunctionLine, ctx.Prototypes)
ctx.PrototypesSection = prototypeSection
source = source[:firstFunctionChar] + prototypeSection + source[firstFunctionChar:]
if debugOutput {
fmt.Println("#PREPROCESSED SOURCE")
prototypesRows := strings.Split(prototypeSection, "\n")
prototypesRows = prototypesRows[:len(prototypesRows)-1]
for i := 0; i < len(sourceRows)+len(prototypesRows); i++ {
if i < insertionLine {
fmt.Printf(" |%s\n", sourceRows[i])
} else if i < insertionLine+len(prototypesRows) {
fmt.Printf("PRO|%s\n", prototypesRows[i-insertionLine])
} else {
fmt.Printf(" |%s\n", sourceRows[i-len(prototypesRows)])
}
}
fmt.Println("#END OF PREPROCESSED SOURCE")
}
ctx.Source = source
return nil
}